/* roulang page: index */
:root {
            --color-primary: #0B3D2E;
            --color-primary-light: #0F4C3A;
            --color-accent: #FF6B35;
            --color-accent-hover: #FF8552;
            --color-highlight: #F7C948;
            --color-bg: #F8F9FA;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6C757D;
            --color-border: #DEE2E6;
            --color-footer-bg: #0B2A1E;
            --color-footer-text: #C0C8C4;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-input: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container-lg {
            max-width: 1140px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== NAVIGATION ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 64px;
            border-bottom: 1px solid #E9ECEF;
            transition: box-shadow var(--transition-base);
        }
        .navbar-main.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }
        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .navbar-main .navbar-brand:hover {
            color: var(--color-primary-light);
        }
        .navbar-main .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #333;
            padding: 0.5rem 1rem;
            margin: 0 0.25rem;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }
        .navbar-main .nav-link:hover {
            color: var(--color-accent);
        }
        .navbar-main .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }
        .navbar-main .nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
        }
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
        }
        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
            box-shadow: none;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .navbar-toggler .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                padding: 1.5rem;
                border-bottom: 1px solid #E9ECEF;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .navbar-main .nav-link {
                display: block;
                text-align: center;
                padding: 0.75rem 1rem;
                font-size: 1.05rem;
                margin: 0.25rem 0;
            }
            .navbar-main .nav-link::after {
                bottom: 4px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            margin-top: 0;
            padding-top: 64px;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 61, 46, 0.78) 0%, rgba(11, 61, 46, 0.55) 40%, rgba(11, 61, 46, 0.35) 70%, rgba(11, 61, 46, 0.55) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 2rem 1rem;
            max-width: 720px;
            width: 100%;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 0.45rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--color-highlight);
            font-size: 0.8rem;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 1rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            font-weight: 400;
            line-height: 1.8;
            margin-bottom: 2rem;
            opacity: 0.92;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }
        .btn-hero-primary {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 1rem;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }
        .btn-hero-outline {
            display: inline-block;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-qualify-note {
            margin-top: 1.5rem;
            font-size: 0.85rem;
            opacity: 0.75;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
        }
        .hero-qualify-note i {
            color: var(--color-highlight);
        }

        @media (max-width: 767.98px) {
            .hero-section {
                min-height: auto;
                padding: 7rem 1rem 4rem;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1rem;
                line-height: 1.7;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: 5rem 0;
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.7;
            max-width: 600px;
        }
        .section-title-center {
            text-align: center;
        }
        .section-title-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.8rem;
            }
        }

        /* ========== LIVE TRACK (片库轨道转化) ========== */
        .live-track-section {
            background: var(--color-white);
            overflow: hidden;
        }
        .live-track-scroll {
            display: flex;
            gap: 1.25rem;
            overflow-x: auto;
            padding: 1rem 0.5rem 2rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }
        .live-track-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .live-track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .live-track-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 3px;
        }
        .live-track-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }
        .live-track-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .live-track-card .live-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: #E53935;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.3rem 0.7rem;
            border-radius: 50px;
            z-index: 2;
            animation: pulse-live 1.8s infinite;
        }
        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }
        .live-track-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .live-track-card .card-body {
            padding: 1rem;
        }
        .live-track-card .card-body h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.35rem;
            color: var(--color-text);
        }
        .live-track-card .card-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
        }

        /* ========== HOT MATCHES (热播推荐) ========== */
        .hot-match-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 1.5rem;
        }
        .hot-match-main {
            grid-row: span 2;
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .hot-match-main:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .hot-match-main img {
            width: 100%;
            height: 100%;
            min-height: 380px;
            object-fit: cover;
        }
        .hot-match-main .hot-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 2rem 1.5rem;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: #fff;
        }
        .hot-match-main .hot-overlay h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .hot-match-main .hot-overlay p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin: 0;
        }
        .hot-match-sub {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .hot-match-sub:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .hot-match-sub img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .hot-match-sub .hot-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.2rem 1rem;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
            color: #fff;
        }
        .hot-match-sub .hot-overlay h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0;
        }

        @media (max-width: 991.98px) {
            .hot-match-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-match-main {
                grid-column: 1 / -1;
                grid-row: auto;
            }
            .hot-match-main img {
                min-height: 260px;
            }
        }
        @media (max-width: 575.98px) {
            .hot-match-grid {
                grid-template-columns: 1fr;
            }
            .hot-match-sub img {
                height: 200px;
            }
        }

        /* ========== SELLING POINTS (卖点三连) ========== */
        .selling-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .selling-point-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border-top: 4px solid transparent;
            position: relative;
        }
        .selling-point-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top-color: var(--color-accent);
        }
        .selling-point-card .sp-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #E8F5E9;
            color: var(--color-primary);
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        .selling-point-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--color-text);
        }
        .selling-point-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 767.98px) {
            .selling-points-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SERVICE (双栏图文) ========== */
        .service-row {
            display: flex;
            align-items: center;
            gap: 3rem;
            margin-bottom: 3.5rem;
            flex-wrap: wrap;
        }
        .service-row.reverse {
            flex-direction: row-reverse;
        }
        .service-row .service-img {
            flex: 1 1 45%;
            min-width: 280px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .service-row .service-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .service-row .service-img:hover img {
            transform: scale(1.04);
        }
        .service-row .service-text {
            flex: 1 1 45%;
            min-width: 280px;
        }
        .service-row .service-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--color-text);
        }
        .service-row .service-text p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
        .service-row .service-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-row .service-text ul li {
            padding: 0.35rem 0;
            font-size: 0.9rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .service-row .service-text ul li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--color-primary);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        @media (max-width: 767.98px) {
            .service-row {
                gap: 1.5rem;
                margin-bottom: 2.5rem;
            }
            .service-row.reverse {
                flex-direction: column;
            }
            .service-row .service-img {
                flex: 1 1 100%;
                min-width: 100%;
            }
            .service-row .service-text {
                flex: 1 1 100%;
                min-width: 100%;
            }
        }

        /* ========== ADVANTAGE DATA (非对称Grid) ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 0.8fr 0.8fr;
            gap: 1.25rem;
            align-items: stretch;
        }
        .advantage-item {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 1.8rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .advantage-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .advantage-item .adv-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 0.5rem;
            position: relative;
        }
        .advantage-item .adv-number::after {
            content: '';
            display: block;
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            margin: 0.5rem auto 0;
            border-radius: 2px;
        }
        .advantage-item .adv-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }
        .advantage-item.large {
            grid-column: span 1;
        }
        .advantage-item.medium {
            grid-column: span 1;
        }
        @media (max-width: 991.98px) {
            .advantage-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CATEGORY ZONES (片单分区) ========== */
        .zone-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .zone-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            cursor: pointer;
            transition: all var(--transition-base);
            min-height: 240px;
            display: flex;
            align-items: flex-end;
        }
        .zone-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .zone-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }
        .zone-card .zone-info {
            position: relative;
            z-index: 1;
            padding: 1.8rem;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
            color: #fff;
            width: 100%;
        }
        .zone-card .zone-info h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .zone-card .zone-info p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin: 0;
        }
        @media (max-width: 767.98px) {
            .zone-grid {
                grid-template-columns: 1fr;
            }
            .zone-card {
                min-height: 200px;
            }
        }

        /* ========== CASE STUDIES (宽窄交替Grid) ========== */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .case-item {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
            background: var(--color-white);
        }
        .case-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .case-item.wide {
            grid-column: 1 / -1;
            display: flex;
            flex-wrap: wrap;
        }
        .case-item.wide img {
            width: 55%;
            min-height: 300px;
            object-fit: cover;
        }
        .case-item.wide .case-info {
            width: 45%;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .case-item.narrow img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .case-item.narrow .case-info {
            padding: 1.25rem;
        }
        .case-info h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }
        .case-info p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }
        .case-tag {
            display: inline-block;
            background: #E8F5E9;
            color: var(--color-primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            margin-bottom: 0.6rem;
            width: fit-content;
        }
        @media (max-width: 767.98px) {
            .case-item.wide {
                flex-direction: column;
            }
            .case-item.wide img {
                width: 100%;
                min-height: 200px;
            }
            .case-item.wide .case-info {
                width: 100%;
                padding: 1.25rem;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .case-item.wide {
                grid-column: auto;
            }
        }

        /* ========== VERTICAL CARDS (竖屏种草) ========== */
        .vertical-card-scroll {
            display: flex;
            gap: 1.25rem;
            overflow-x: auto;
            padding: 1rem 0.5rem 2rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }
        .vertical-card-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .vertical-card-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .vertical-card-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 3px;
        }
        .v-card {
            flex: 0 0 220px;
            scroll-snap-align: start;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
        }
        .v-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .v-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .v-card .v-card-body {
            padding: 1rem;
        }
        .v-card .v-card-body h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--color-text);
        }
        .v-card .v-card-body p {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin: 0;
        }
        .v-card .v-card-body .btn-sm-outline {
            display: inline-block;
            margin-top: 0.6rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            border: 1px solid var(--color-accent);
            padding: 0.35rem 1rem;
            border-radius: 50px;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .v-card .v-card-body .btn-sm-outline:hover {
            background: var(--color-accent);
            color: #fff;
        }

        /* ========== SOLUTION (全宽横图+叠加) ========== */
        .solution-block {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
            box-shadow: var(--shadow-card);
        }
        .solution-block img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }
        .solution-block .solution-panel {
            position: relative;
            z-index: 1;
            background: rgba(11, 42, 30, 0.85);
            color: #fff;
            padding: 2.5rem;
            max-width: 520px;
            margin: 2rem;
            border-radius: var(--radius-card);
            backdrop-filter: blur(4px);
        }
        .solution-block.right .solution-panel {
            margin-left: auto;
        }
        .solution-panel h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .solution-panel p {
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            opacity: 0.9;
        }
        .solution-panel ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1rem;
        }
        .solution-panel ul li {
            padding: 0.3rem 0;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .solution-panel ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--color-highlight);
            font-size: 0.8rem;
        }
        .btn-solution {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 0.65rem 1.6rem;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
            font-size: 0.9rem;
        }
        .btn-solution:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 767.98px) {
            .solution-block {
                min-height: 260px;
            }
            .solution-block .solution-panel {
                margin: 1rem;
                padding: 1.5rem;
                max-width: 100%;
            }
        }

        /* ========== TIER COMPARISON (票种对比) ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            align-items: stretch;
        }
        .tier-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 2px solid transparent;
            display: flex;
            flex-direction: column;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .tier-card.featured {
            border-color: var(--color-accent);
            position: relative;
            transform: scale(1.03);
        }
        .tier-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .tier-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.35rem 1.2rem;
            border-radius: 50px;
            white-space: nowrap;
        }
        .tier-card h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--color-text);
        }
        .tier-card .tier-price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 1rem;
        }
        .tier-card .tier-price span {
            font-size: 1rem;
            font-weight: 400;
            color: var(--color-text-light);
        }
        .tier-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            text-align: left;
            flex-grow: 1;
        }
        .tier-card ul li {
            padding: 0.4rem 0;
            font-size: 0.9rem;
            color: var(--color-text);
            border-bottom: 1px solid #f0f0f0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .tier-card ul li i.fa-check {
            color: var(--color-primary);
        }
        .tier-card ul li i.fa-minus {
            color: #ccc;
        }
        .btn-tier {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
            width: 100%;
            text-align: center;
        }
        .btn-tier:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-tier.featured-btn {
            background: var(--color-accent);
        }
        .btn-tier.featured-btn:hover {
            background: var(--color-accent-hover);
        }
        @media (max-width: 991.98px) {
            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .tier-card.featured {
                transform: scale(1);
            }
            .tier-card.featured:hover {
                transform: translateY(-4px);
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: #EDF4F1;
            position: relative;
        }
        .brand-intro-block {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            padding: 2rem;
            position: relative;
        }
        .brand-intro-block::before {
            content: '\201C';
            font-size: 6rem;
            color: var(--color-primary);
            opacity: 0.2;
            position: absolute;
            top: -1rem;
            left: 50%;
            transform: translateX(-50%);
            font-family: serif;
            line-height: 1;
        }
        .brand-intro-block p {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text);
            margin: 0;
            position: relative;
            z-index: 1;
        }

        /* ========== NEWS ========== */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-list li {
            display: flex;
            gap: 1.5rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid #E9ECEF;
            align-items: flex-start;
            transition: background var(--transition-base);
        }
        .news-list li:hover {
            background: #fafbfb;
        }
        .news-date-block {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1.2;
        }
        .news-date-block .day {
            font-size: 1.4rem;
        }
        .news-date-block .month {
            font-size: 0.75rem;
            text-transform: uppercase;
        }
        .news-content h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--color-text);
        }
        .news-content h5 a {
            color: var(--color-text);
            text-decoration: none;
        }
        .news-content h5 a:hover {
            color: var(--color-accent);
        }
        .news-content p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0.4rem;
            line-height: 1.6;
        }
        .btn-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: all var(--transition-base);
        }
        .btn-read-more:hover {
            color: var(--color-accent-hover);
            gap: 0.5rem;
        }
        @media (max-width: 575.98px) {
            .news-list li {
                flex-direction: column;
                gap: 0.75rem;
            }
            .news-date-block {
                width: 48px;
                height: 48px;
            }
            .news-date-block .day {
                font-size: 1.2rem;
            }
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            border: none;
            border-bottom: 1px solid #E9ECEF;
            background: transparent;
            margin-bottom: 0;
        }
        .accordion-custom .accordion-button {
            background: transparent;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            padding: 1.2rem 0;
            box-shadow: none;
            border: none;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .accordion-custom .accordion-button::after {
            display: none;
        }
        .accordion-custom .accordion-button .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #E8F5E9;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-base);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
        }
        .accordion-custom .accordion-button:not(.collapsed) .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .accordion-custom .accordion-body {
            padding: 0 0 1.5rem 2.5rem;
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.8;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: 4px;
        }

        /* ========== CONTACT ========== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: start;
        }
        .contact-form .form-control {
            border: 1px solid #ddd;
            border-radius: var(--radius-input);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            transition: border-color var(--transition-base);
            background: var(--color-white);
        }
        .contact-form .form-control:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(11, 61, 46, 0.08);
            outline: none;
        }
        .contact-form textarea.form-control {
            min-height: 130px;
            resize: vertical;
        }
        .btn-submit {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 2.5rem;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
            width: 100%;
        }
        .btn-submit:hover {
            background: var(--color-primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(11, 61, 46, 0.25);
        }
        .contact-info-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--shadow-card);
        }
        .contact-info-card h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            color: var(--color-text);
        }
        .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 1rem;
            font-size: 0.95rem;
            color: var(--color-text-light);
        }
        .contact-info-item i {
            color: var(--color-primary);
            font-size: 1.1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .contact-map-placeholder {
            width: 100%;
            height: 180px;
            background: #E9ECEF;
            border-radius: var(--radius-card);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 0.9rem;
            margin-top: 1rem;
        }
        @media (max-width: 767.98px) {
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* ========== FOOTER ========== */
        .footer-main {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 3.5rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2.5rem;
        }
        .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            opacity: 0.8;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2.5rem;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
        }
        .footer-bottom a {
            color: var(--color-footer-text);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .divider {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 0.5rem;
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== UTILITY ========== */
        .btn-accent {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary-custom {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            border: 2px solid var(--color-primary);
            transition: all var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-outline-primary-custom:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 767.98px) {
            .container-lg {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0B3D2E;
            --color-primary-light: #0F4C3A;
            --color-accent: #FF6B35;
            --color-accent-hover: #FF8552;
            --color-highlight: #F7C948;
            --color-bg: #F8F9FA;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6C757D;
            --color-border: #DEE2E6;
            --color-footer-bg: #0B2A1E;
            --color-footer-text: #C0C8C4;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-input: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s ease;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 64px;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container-lg {
            max-width: 1140px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== NAVIGATION ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 64px;
            border-bottom: 1px solid #E9ECEF;
            transition: box-shadow var(--transition-base);
        }

        .navbar-main.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--color-primary-light);
        }

        .navbar-main .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #333;
            padding: 0.5rem 1rem;
            margin: 0 0.25rem;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--color-accent);
        }

        .navbar-main .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .navbar-main .nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .navbar-toggler .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                padding: 1.5rem;
                border-bottom: 1px solid #E9ECEF;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }

            .navbar-main .nav-link {
                display: block;
                text-align: center;
                padding: 0.75rem 1rem;
                font-size: 1.05rem;
                margin: 0.25rem 0;
            }

            .navbar-main .nav-link::after {
                bottom: 4px;
            }
        }

        /* ========== PAGE HERO (窄型) ========== */
        .page-hero {
            position: relative;
            min-height: 50vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 61, 46, 0.82) 0%, rgba(11, 61, 46, 0.55) 60%, rgba(11, 61, 46, 0.7) 100%);
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 2rem 1.5rem;
        }

        .page-hero-content h1 {
            font-size: 3.2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 0.75rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
        }

        .page-hero-content .hero-subtitle {
            font-size: 1.2rem;
            font-weight: 400;
            opacity: 0.9;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

        .breadcrumb-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            flex-wrap: wrap;
            justify-content: center;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .breadcrumb-custom a:hover {
            color: var(--color-highlight);
        }

        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.75rem;
        }

        .breadcrumb-custom .current {
            color: var(--color-highlight);
            font-weight: 600;
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 3rem;
            max-width: 680px;
        }

        .section-subtitle.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ========== BUTTONS ========== */
        .btn-accent {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }

        .btn-accent:focus {
            outline: 3px solid rgba(255, 107, 53, 0.4);
            outline-offset: 2px;
        }

        .btn-outline-white {
            display: inline-block;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.8);
            padding: 0.65rem 1.7rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-primary-solid {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-primary-solid:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(11, 61, 46, 0.3);
        }

        .btn-primary-solid:focus {
            outline: 3px solid rgba(11, 61, 46, 0.4);
            outline-offset: 2px;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .card-custom .card-img-wrapper {
            overflow: hidden;
            position: relative;
        }

        .card-custom .card-img-wrapper img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card-custom:hover .card-img-wrapper img {
            transform: scale(1.06);
        }

        .card-custom .card-body-custom {
            padding: 1.5rem;
        }

        .card-custom .card-tag {
            display: inline-block;
            background: rgba(255, 107, 53, 0.1);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            margin-bottom: 0.6rem;
        }

        .card-custom .card-title-custom {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
            line-height: 1.4;
        }

        .card-custom .card-text-custom {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .card-custom .card-meta {
            font-size: 0.85rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        /* ========== STATS GRID ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 1.5rem;
        }

        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            text-align: center;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }

        .stat-card .stat-number .accent-dot {
            color: var(--color-accent);
        }

        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        .stat-card.stat-accent {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .stat-card.stat-accent .stat-number {
            color: var(--color-highlight);
        }

        .stat-card.stat-accent .stat-label {
            color: rgba(255, 255, 255, 0.85);
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 3rem;
            margin-bottom: 3.5rem;
        }

        .feature-row.reverse {
            flex-direction: row-reverse;
        }

        .feature-row .feature-image {
            flex: 0 0 48%;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .feature-row .feature-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .feature-row .feature-image:hover img {
            transform: scale(1.04);
        }

        .feature-row .feature-content {
            flex: 1;
        }

        .feature-row .feature-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--color-text);
        }

        .feature-row .feature-content p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 1rem;
        }

        .feature-row .feature-content .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-row .feature-content .feature-list li {
            padding: 0.4rem 0;
            padding-left: 1.6rem;
            position: relative;
            color: var(--color-text);
            font-size: 0.95rem;
        }

        .feature-row .feature-content .feature-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.9rem;
        }

        /* ========== STEPS ========== */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .step-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            position: relative;
            transition: all var(--transition-base);
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== ACCORDION / FAQ ========== */
        .accordion-custom .accordion-item {
            border: none;
            border-bottom: 1px solid var(--color-border);
            background: transparent;
            border-radius: 0;
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            background: transparent;
            border: none;
            box-shadow: none;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text);
            padding: 1.2rem 0;
            border-radius: 0;
            transition: color var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: 4px;
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--color-text-light);
            width: auto;
            height: auto;
            line-height: 1;
            transition: transform var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--color-primary);
            transform: none;
        }

        .accordion-custom .accordion-body {
            padding: 0 0 1.5rem 0;
            color: var(--color-text-light);
            line-height: 1.75;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FOOTER ========== */
        .footer-main {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 4rem 0 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            color: var(--color-footer-text);
            line-height: 1.7;
            margin-bottom: 0;
            font-size: 0.9rem;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--color-footer-text);
            text-decoration: none;
            transition: color var(--transition-base);
            font-size: 0.9rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            gap: 0.75rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-bottom .divider {
            margin: 0 0.6rem;
            opacity: 0.4;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199.98px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 1rem;
            }

            .stats-grid .stat-card:first-child {
                grid-column: span 2;
            }

            .steps-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }

        @media (max-width: 991.98px) {
            .page-hero {
                min-height: 40vh;
                background-attachment: scroll;
            }

            .page-hero-content h1 {
                font-size: 2.4rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .feature-row {
                flex-direction: column !important;
                gap: 1.5rem;
            }

            .feature-row .feature-image {
                flex: 0 0 auto;
                width: 100%;
            }

            .feature-row .feature-image img {
                height: 260px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }

            .stats-grid .stat-card:first-child {
                grid-column: span 2;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                min-height: 35vh;
            }

            .page-hero-content h1 {
                font-size: 1.9rem;
            }

            .page-hero-content .hero-subtitle {
                font-size: 1rem;
            }

            .section-padding {
                padding: 3rem 0;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 2rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }

            .stats-grid .stat-card:first-child {
                grid-column: span 1;
            }

            .stat-card .stat-number {
                font-size: 2.2rem;
            }

            .steps-container {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .feature-row .feature-image img {
                height: 220px;
            }

            .feature-row .feature-content h3 {
                font-size: 1.3rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .cta-section p {
                font-size: 0.95rem;
            }

            .breadcrumb-custom {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero-content h1 {
                font-size: 1.6rem;
            }

            .card-custom .card-img-wrapper img {
                height: 180px;
            }

            .btn-accent,
            .btn-primary-solid,
            .btn-outline-white {
                padding: 0.6rem 1.3rem;
                font-size: 0.9rem;
                width: 100%;
                display: block;
            }

            .btn-outline-white {
                margin-top: 0.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0B3D2E;
            --color-primary-light: #0F4C3A;
            --color-accent: #FF6B35;
            --color-accent-hover: #FF8552;
            --color-highlight: #F7C948;
            --color-bg: #F8F9FA;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6C757D;
            --color-border: #DEE2E6;
            --color-footer-bg: #0B2A1E;
            --color-footer-text: #C0C8C4;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-input: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s ease;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 64px;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container-lg {
            max-width: 1140px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== NAVIGATION ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 64px;
            border-bottom: 1px solid #E9ECEF;
            transition: box-shadow var(--transition-base);
        }

        .navbar-main.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--color-primary-light);
        }

        .navbar-main .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #333;
            padding: 0.5rem 1rem;
            margin: 0 0.25rem;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--color-accent);
        }

        .navbar-main .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .navbar-main .nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .navbar-toggler .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                padding: 1.5rem;
                border-bottom: 1px solid #E9ECEF;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }

            .navbar-main .nav-link {
                display: block;
                text-align: center;
                padding: 0.75rem 1rem;
                font-size: 1.05rem;
                margin: 0.25rem 0;
            }

            .navbar-main .nav-link::after {
                bottom: 4px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 0.75rem 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--color-text-light);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .breadcrumb-nav li+li::before {
            content: '›';
            color: var(--color-text-light);
            font-size: 1rem;
            margin-right: 0.25rem;
        }

        .breadcrumb-nav a {
            color: var(--color-text-light);
            transition: color var(--transition-base);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-nav .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 61, 46, 0.85) 0%, rgba(11, 61, 46, 0.55) 100%);
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 3rem 1.5rem;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 767.98px) {
            .page-banner {
                min-height: 240px;
            }

            .page-banner h1 {
                font-size: 2rem;
            }

            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header .accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 0.5rem;
        }

        /* ========== BENEFIT CARDS ========== */
        .benefit-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
            border: 1px solid transparent;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-primary);
        }

        .benefit-card .benefit-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(11, 61, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }

        .benefit-card:hover .benefit-icon {
            background: var(--color-primary);
            color: #fff;
        }

        .benefit-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--color-text);
        }

        .benefit-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== TIER CARDS ========== */
        .tier-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            border: 2px solid transparent;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

        .tier-card.featured {
            border-color: var(--color-accent);
            box-shadow: 0 8px 32px rgba(255, 107, 53, 0.18);
        }

        .tier-card.featured .tier-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.3rem 0.75rem;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        .tier-card .tier-header {
            background: var(--color-primary);
            padding: 1.75rem 1.5rem;
            text-align: center;
            color: #fff;
        }

        .tier-card.featured .tier-header {
            background: var(--color-accent);
        }

        .tier-card .tier-name {
            font-size: 1.35rem;
            font-weight: 700;
            margin: 0 0 0.25rem;
        }

        .tier-card .tier-price {
            font-size: 2.5rem;
            font-weight: 700;
            margin: 0.5rem 0;
        }

        .tier-card .tier-price span {
            font-size: 0.9rem;
            font-weight: 400;
            opacity: 0.8;
        }

        .tier-card .tier-body {
            padding: 1.5rem;
        }

        .tier-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tier-card .tier-features li {
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            color: var(--color-text);
        }

        .tier-card .tier-features li:last-child {
            border-bottom: none;
        }

        .tier-card .tier-features li i {
            color: var(--color-primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .tier-card.featured .tier-features li i {
            color: var(--color-accent);
        }

        .tier-card .tier-btn {
            display: block;
            width: 100%;
            padding: 0.75rem;
            text-align: center;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            margin-top: 1.25rem;
            transition: all var(--transition-base);
            cursor: pointer;
            background: var(--color-primary);
            color: #fff;
            border: 2px solid var(--color-primary);
        }

        .tier-card .tier-btn:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-light);
        }

        .tier-card.featured .tier-btn {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }

        .tier-card.featured .tier-btn:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
        }

        /* ========== COUPON WALL ========== */
        .coupon-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.75rem;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
            border: 2px dashed var(--color-border);
            position: relative;
            cursor: pointer;
        }

        .coupon-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .coupon-card .coupon-value {
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .coupon-card .coupon-value small {
            font-size: 1.2rem;
            font-weight: 500;
        }

        .coupon-card .coupon-label {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0.5rem 0;
        }

        .coupon-card .coupon-desc {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 1rem;
        }

        .coupon-card .coupon-claim {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .coupon-card .coupon-claim:hover {
            background: var(--color-accent-hover);
        }

        .coupon-card.featured-coupon {
            border-color: var(--color-accent);
            border-style: solid;
            background: linear-gradient(135deg, #fff9f5 0%, #fff 100%);
            box-shadow: 0 8px 32px rgba(255, 107, 53, 0.15);
        }

        .coupon-card.featured-coupon .coupon-value {
            font-size: 3.5rem;
            color: #e85a20;
        }

        /* ========== PROCESS STEPS ========== */
        .process-step {
            text-align: center;
            padding: 1.5rem;
            position: relative;
        }

        .process-step .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            position: relative;
            z-index: 2;
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        .process-connector {
            position: relative;
        }

        .process-connector::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -15px;
            width: 30px;
            height: 2px;
            background: var(--color-border);
        }

        .process-connector:last-child::after {
            display: none;
        }

        @media (max-width: 767.98px) {
            .process-connector::after {
                display: none;
            }
        }

        /* ========== FAQ ACCORDION ========== */
        .accordion-custom .accordion-item {
            border: none;
            border-bottom: 1px solid var(--color-border);
            background: transparent;
            border-radius: 0;
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            background: transparent;
            border: none;
            box-shadow: none;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text);
            padding: 1.25rem 0;
            transition: color var(--transition-base);
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            text-align: left;
            cursor: pointer;
        }

        .accordion-custom .accordion-button::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--color-text-light);
            background: none;
            width: auto;
            height: auto;
            transition: transform var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--color-primary);
            transform: rotate(0);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: 4px;
        }

        .accordion-custom .accordion-body {
            padding: 0 0 1.25rem;
            color: var(--color-text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 650px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .btn-cta {
            display: inline-block;
            padding: 0.85rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.03em;
        }

        .btn-cta:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.35);
        }

        .btn-outline-cta {
            display: inline-block;
            padding: 0.85rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.03em;
            margin-left: 1rem;
        }

        .btn-outline-cta:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        @media (max-width: 575.98px) {
            .btn-outline-cta {
                margin-left: 0;
                margin-top: 0.75rem;
            }

            .cta-section h2 {
                font-size: 1.7rem;
            }
        }

        /* ========== DOUBLE COLUMN ========== */
        .double-col-block {
            padding: 4rem 0;
        }

        .double-col-block .text-col {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .double-col-block .text-col h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--color-text);
        }

        .double-col-block .text-col p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .double-col-block .text-col ul {
            list-style: none;
            padding: 0;
        }

        .double-col-block .text-col ul li {
            padding: 0.4rem 0;
            font-size: 0.95rem;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
        }

        .double-col-block .text-col ul li::before {
            content: '✓';
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }

        .double-col-block .img-col img {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2rem;
            height: 100%;
            transition: all var(--transition-base);
            border-left: 4px solid var(--color-primary);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-left-color: var(--color-accent);
        }

        .scenario-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--color-text);
        }

        .scenario-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FOOTER ========== */
        .footer-main {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
            color: var(--color-footer-text);
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }

        .footer-col ul li a {
            color: var(--color-footer-text);
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.75rem;
            font-size: 0.85rem;
        }

        .footer-bottom a {
            color: var(--color-footer-text);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-bottom .divider {
            margin: 0 0.6rem;
            opacity: 0.4;
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section-padding {
            padding: 4.5rem 0;
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding: 3rem 0;
            }

            .section-title {
                font-size: 1.6rem;
            }
        }

        /* ========== MISC ========== */
        .bg-light-gray {
            background: #F5F6F7;
        }

        .text-accent {
            color: var(--color-accent);
        }

        .btn-primary-custom {
            display: inline-block;
            padding: 0.7rem 1.75rem;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-1px);
        }

/* roulang page: category2 */
:root {
            --color-primary: #0B3D2E;
            --color-primary-light: #0F4C3A;
            --color-accent: #FF6B35;
            --color-accent-hover: #FF8552;
            --color-highlight: #F7C948;
            --color-bg: #F8F9FA;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6C757D;
            --color-border: #DEE2E6;
            --color-footer-bg: #0B2A1E;
            --color-footer-text: #C0C8C4;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-input: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s ease;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 64px;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container-lg {
            max-width: 1140px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== NAVIGATION ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 64px;
            border-bottom: 1px solid #E9ECEF;
            transition: box-shadow var(--transition-base);
        }

        .navbar-main.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--color-primary-light);
        }

        .navbar-main .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #333;
            padding: 0.5rem 1rem;
            margin: 0 0.25rem;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--color-accent);
        }

        .navbar-main .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .navbar-main .nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .navbar-toggler .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                padding: 1.5rem;
                border-bottom: 1px solid #E9ECEF;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }

            .navbar-main .nav-link {
                display: block;
                text-align: center;
                padding: 0.75rem 1rem;
                font-size: 1.05rem;
                margin: 0.25rem 0;
            }

            .navbar-main .nav-link::after {
                bottom: 4px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 0.75rem 0;
            font-size: 0.875rem;
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.25rem;
            align-items: center;
        }

        .breadcrumb-bar .breadcrumb-item {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            color: var(--color-text-light);
        }

        .breadcrumb-bar .breadcrumb-item a {
            color: var(--color-text-light);
            transition: color var(--transition-base);
        }

        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .breadcrumb-bar .breadcrumb-sep {
            color: #B0B8B4;
            margin: 0 0.25rem;
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            background: linear-gradient(160deg, #0B3D2E 0%, #072E22 40%, #0A3328 100%);
            padding: 3.5rem 0 4rem;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.06);
            pointer-events: none;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.18);
            color: #FF9A6C;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            border: 1px solid rgba(255, 107, 53, 0.25);
        }

        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .category-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .category-hero .status-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem;
            background: rgba(0, 0, 0, 0.25);
            border-radius: 8px;
            padding: 0.75rem 1.25rem;
            max-width: fit-content;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .category-hero .status-bar .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ADE80;
            animation: pulse-dot 2s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(74, 222, 128, 0);
            }
        }

        .category-hero .status-bar .status-text {
            color: #C8D6CF;
            font-size: 0.875rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .category-hero .status-bar .status-divider {
            width: 1px;
            height: 16px;
            background: rgba(255, 255, 255, 0.2);
            flex-shrink: 0;
        }

        .category-hero .icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1.75rem;
        }

        .category-hero .icon-matrix .icon-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color var(--transition-base);
        }

        .category-hero .icon-matrix .icon-item i {
            font-size: 1.4rem;
            color: var(--color-highlight);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(247, 201, 72, 0.1);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .category-hero .icon-matrix .icon-item:hover {
            color: #FFFFFF;
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: 5rem 0;
        }

        .section-header {
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }

        .section-header .section-subtitle {
            color: var(--color-text-light);
            font-size: 1.05rem;
            max-width: 650px;
            line-height: 1.6;
        }

        .section-header .section-accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 0.75rem;
        }

        /* ========== FEATURE CARDS GRID ========== */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.75rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--color-accent);
            transition: height var(--transition-base);
            border-radius: 0 0 4px 0;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: #E8ECEA;
        }

        .feature-card:hover::before {
            height: 100%;
        }

        .feature-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.25rem;
            background: rgba(11, 61, 46, 0.06);
            color: var(--color-primary);
            transition: all var(--transition-base);
        }

        .feature-card:hover .card-icon {
            background: var(--color-primary);
            color: #FFFFFF;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--color-text);
            line-height: 1.4;
        }

        .feature-card p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== IMAGE-TEXT ROW ========== */
        .image-text-block {
            display: flex;
            align-items: center;
            gap: 3rem;
            margin-bottom: 3.5rem;
        }

        .image-text-block:last-child {
            margin-bottom: 0;
        }

        .image-text-block.reverse {
            flex-direction: row-reverse;
        }

        .image-text-block .it-image {
            flex: 1;
            min-width: 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .image-text-block .it-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
            transition: transform 0.5s ease;
        }

        .image-text-block .it-image:hover img {
            transform: scale(1.04);
        }

        .image-text-block .it-text {
            flex: 1;
            min-width: 0;
        }

        .image-text-block .it-text .it-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
        }

        .image-text-block .it-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            line-height: 1.35;
        }

        .image-text-block .it-text p {
            color: var(--color-text-light);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .image-text-block .it-text .it-features {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .image-text-block .it-text .it-features li {
            padding: 0.4rem 0;
            color: var(--color-text);
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
        }

        .image-text-block .it-text .it-features li i {
            color: var(--color-accent);
            font-size: 0.85rem;
            margin-top: 0.3rem;
            flex-shrink: 0;
        }

        /* ========== STATS GRID ASYMMETRIC ========== */
        .stats-asymmetric {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 0.8fr;
            grid-template-rows: auto auto;
            gap: 1.25rem;
        }

        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #E8ECEA;
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 0.3rem;
        }

        .stat-card .stat-number .stat-unit {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--color-accent);
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        .stat-card.stat-accent {
            background: var(--color-primary);
            color: #FFFFFF;
        }

        .stat-card.stat-accent .stat-number {
            color: var(--color-highlight);
        }

        .stat-card.stat-accent .stat-label {
            color: rgba(255, 255, 255, 0.8);
        }

        .stat-card.stat-wide {
            grid-column: span 2;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            text-align: left;
            padding: 2rem;
        }

        .stat-card.stat-wide .stat-number {
            font-size: 3.5rem;
            flex-shrink: 0;
        }

        .stat-card.stat-wide .stat-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--color-text);
        }

        .stat-card.stat-wide .stat-info p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
        }

        /* ========== STEPS / PROCESS ========== */
        .process-steps {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .process-step {
            flex: 1;
            min-width: 220px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            position: relative;
            text-align: center;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

        .process-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #E8ECEA;
        }

        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        .process-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.2rem;
            flex-shrink: 0;
            align-self: center;
        }

        /* ========== LEAGUE COVERAGE GRID ========== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .league-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid transparent;
            cursor: default;
        }

        .league-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #E8ECEA;
        }

        .league-card .league-icon {
            font-size: 2.2rem;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
            transition: color var(--transition-base);
        }

        .league-card:hover .league-icon {
            color: var(--color-accent);
        }

        .league-card .league-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 0.25rem;
        }

        .league-card .league-count {
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion .accordion-item {
            border: none;
            border-bottom: 1px solid var(--color-border);
            background: transparent;
            border-radius: 0;
            margin-bottom: 0;
        }

        .faq-accordion .accordion-button {
            background: transparent;
            box-shadow: none;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text);
            padding: 1.25rem 0;
            border: none;
            border-radius: 0;
            transition: color var(--transition-base);
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: all var(--transition-base);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
            box-shadow: none;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '\f068';
            color: var(--color-accent);
            transform: rotate(0deg);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: 4px;
        }

        .faq-accordion .accordion-body {
            padding: 0 0 1.5rem;
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #0B3D2E 0%, #0A3328 100%);
            padding: 4.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.025);
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
            letter-spacing: 0.01em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.6;
        }

        .btn-accent {
            background: var(--color-accent);
            color: #FFFFFF;
            border: none;
            padding: 0.75rem 2.25rem;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            display: inline-block;
            text-align: center;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }

        .btn-outline-light-custom {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 0.7rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            display: inline-block;
            text-align: center;
            margin-left: 0.75rem;
        }

        .btn-outline-light-custom:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* ========== TRUST BADGES ========== */
        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            align-items: center;
            padding: 2.5rem 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            margin: 3rem 0;
        }

        .trust-badge {
            text-align: center;
            flex: 1;
            min-width: 140px;
        }

        .trust-badge .badge-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }

        .trust-badge .badge-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
        }

        .trust-badge .badge-sub {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* ========== FOOTER ========== */
        .footer-main {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.3rem;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.65;
            color: var(--color-footer-text);
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.55rem;
        }

        .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: rgba(192, 200, 196, 0.7);
        }

        .footer-bottom .divider {
            margin: 0 0.5rem;
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: rgba(192, 200, 196, 0.7);
            transition: color var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199.98px) {
            .stats-asymmetric {
                grid-template-columns: 1fr 1fr;
            }
            .stat-card.stat-wide {
                grid-column: span 2;
            }
            .league-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .category-hero {
                padding: 2.5rem 0 3rem;
                min-height: 320px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .image-text-block {
                flex-direction: column;
                gap: 1.5rem;
            }
            .image-text-block.reverse {
                flex-direction: column;
            }
            .stats-asymmetric {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .stat-card.stat-wide {
                grid-column: span 2;
            }
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .process-steps {
                flex-direction: column;
                gap: 1rem;
            }
            .process-connector {
                transform: rotate(90deg);
            }
            .trust-badges {
                gap: 1.5rem;
            }
            .category-hero .status-bar {
                flex-wrap: wrap;
                gap: 0.75rem;
            }
            .category-hero .icon-matrix {
                gap: 1rem;
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                padding: 2rem 0 2.5rem;
                min-height: 280px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .category-hero .status-bar {
                font-size: 0.8rem;
                padding: 0.6rem 1rem;
                gap: 0.5rem;
                flex-wrap: wrap;
            }
            .category-hero .icon-matrix {
                gap: 0.75rem;
            }
            .category-hero .icon-matrix .icon-item {
                font-size: 0.8rem;
                gap: 0.35rem;
            }
            .category-hero .icon-matrix .icon-item i {
                font-size: 1.1rem;
                width: 30px;
                height: 30px;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
            .section-header {
                margin-bottom: 2rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .stats-asymmetric {
                grid-template-columns: 1fr;
            }
            .stat-card.stat-wide {
                grid-column: span 1;
                flex-direction: column;
                text-align: center;
                gap: 0.75rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .league-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .btn-outline-light-custom {
                margin-left: 0;
                margin-top: 0.75rem;
                display: block;
            }
            .trust-badges {
                gap: 1rem;
                flex-wrap: wrap;
            }
            .trust-badge {
                min-width: 100px;
                flex: 0 0 auto;
            }
            .feature-card {
                padding: 1.5rem 1.25rem;
            }
            .image-text-block .it-text h3 {
                font-size: 1.25rem;
            }
            .process-step {
                min-width: 100%;
            }
            .process-connector {
                transform: rotate(90deg);
                margin: 0.25rem 0;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.85rem;
            }
            .category-hero .status-bar {
                font-size: 0.75rem;
                padding: 0.5rem 0.75rem;
                gap: 0.4rem;
            }
            .category-hero .icon-matrix {
                flex-direction: column;
                gap: 0.5rem;
            }
            .league-grid {
                grid-template-columns: 1fr;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .feature-card h3 {
                font-size: 1.05rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.95rem;
                padding: 1rem 0;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #0B3D2E;
            --color-primary-light: #0F4C3A;
            --color-accent: #FF6B35;
            --color-accent-hover: #FF8552;
            --color-highlight: #F7C948;
            --color-bg: #F8F9FA;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6C757D;
            --color-border: #DEE2E6;
            --color-footer-bg: #0B2A1E;
            --color-footer-text: #C0C8C4;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-input: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s ease;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 64px;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container-lg {
            max-width: 1140px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== NAVIGATION ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 64px;
            border-bottom: 1px solid #E9ECEF;
            transition: box-shadow var(--transition-base);
        }

        .navbar-main.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--color-primary-light);
        }

        .navbar-main .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #333;
            padding: 0.5rem 1rem;
            margin: 0 0.25rem;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--color-accent);
        }

        .navbar-main .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .navbar-main .nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .navbar-toggler .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrapper {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 0.75rem 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 0.875rem;
            flex-wrap: wrap;
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            color: var(--color-text-light);
        }

        .breadcrumb-custom li a {
            color: var(--color-text-light);
            transition: color var(--transition-base);
        }

        .breadcrumb-custom li a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-custom li+li::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin: 0 0.6rem;
            color: #B0B8B5;
            font-size: 0.7rem;
        }

        .breadcrumb-custom li.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 61, 46, 0.82) 0%, rgba(11, 61, 46, 0.55) 60%, rgba(11, 61, 46, 0.7) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 3rem 0;
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.35rem 1.1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1.25rem;
        }

        .category-hero h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            line-height: 1.2;
        }

        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            line-height: 1.7;
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

        .section-title-group {
            margin-bottom: 3rem;
        }

        .section-title-group.text-center {
            text-align: center;
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }

        .btn-outline-custom {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            padding: 0.65rem 1.7rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-white {
            display: inline-block;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            padding: 0.65rem 1.7rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card-custom:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-custom .card-body-custom {
            padding: 1.5rem;
        }

        .card-custom .card-tag {
            display: inline-block;
            background: #E8F5E9;
            color: var(--color-primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 12px;
            margin-bottom: 0.6rem;
        }

        .card-custom .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .card-custom .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .card-custom .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap var(--transition-base);
        }

        .card-custom .card-link:hover {
            gap: 0.55rem;
            color: var(--color-accent-hover);
        }

        /* ========== SCHEDULE TIMELINE ========== */
        .schedule-timeline {
            position: relative;
        }

        .schedule-item {
            display: flex;
            align-items: stretch;
            gap: 1.5rem;
            padding: 1.5rem 1.8rem;
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 1rem;
            transition: all var(--transition-base);
            border-left: 4px solid transparent;
            flex-wrap: wrap;
        }

        .schedule-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-left-color: var(--color-accent);
            transform: translateX(4px);
        }

        .schedule-date-block {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            padding: 0.7rem 0.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-self: center;
        }

        .schedule-date-block .day {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1;
        }

        .schedule-date-block .month {
            font-size: 0.8rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .schedule-info {
            flex: 1;
            min-width: 200px;
        }

        .schedule-info .matchup {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.3rem;
        }

        .schedule-info .meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        .schedule-info .meta-row span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .schedule-badge {
            display: inline-block;
            background: #FFF3E0;
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 12px;
            white-space: nowrap;
            align-self: center;
        }

        /* ========== FEATURE ICON BLOCK ========== */
        .feature-icon-block {
            text-align: center;
            padding: 2rem 1.5rem;
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
        }

        .feature-icon-block:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .feature-icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: #E8F5E9;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }

        .feature-icon-block:hover .feature-icon-circle {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.08);
        }

        .feature-icon-block h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .feature-icon-block p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== STATS STRIP ========== */
        .stats-strip {
            background: var(--color-primary);
            padding: 3.5rem 0;
        }

        .stat-item {
            text-align: center;
            padding: 1rem;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-highlight);
            line-height: 1;
            margin-bottom: 0.4rem;
        }

        .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            border: none;
            border-bottom: 1px solid var(--color-border);
            background: transparent;
            border-radius: 0;
        }

        .accordion-custom .accordion-button {
            background: transparent;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text);
            padding: 1.2rem 1rem 1.2rem 0;
            box-shadow: none;
            border: none;
            transition: color var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
            box-shadow: none;
        }

        .accordion-custom .accordion-button::after {
            display: none;
        }

        .accordion-custom .accordion-button .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #E8F5E9;
            color: var(--color-primary);
            font-size: 0.8rem;
            margin-right: 0.75rem;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-custom .accordion-body {
            padding: 0 1rem 1.5rem 2.5rem;
            color: var(--color-text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #0A3226 100%);
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.08);
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-group-cta {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .footer-main {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--color-footer-text);
            margin: 0;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 1.5rem 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            gap: 0.75rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-bottom .divider {
            margin: 0 0.6rem;
            opacity: 0.5;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199.98px) {
            .container-lg {
                max-width: 960px;
            }
            .category-hero h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                padding: 1.5rem;
                border-bottom: 1px solid #E9ECEF;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .navbar-main .nav-link {
                display: block;
                text-align: center;
                padding: 0.75rem 1rem;
                font-size: 1.05rem;
                margin: 0.25rem 0;
            }
            .navbar-main .nav-link::after {
                bottom: 4px;
            }
            .category-hero {
                min-height: 340px;
            }
            .category-hero h1 {
                font-size: 2.1rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }
            .schedule-date-block {
                align-self: flex-start;
            }
            .stats-strip .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                min-height: 300px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 2.8rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
            .card-custom .card-body-custom {
                padding: 1.2rem;
            }
            .schedule-date-block {
                width: 60px;
                padding: 0.5rem 0.3rem;
            }
            .schedule-date-block .day {
                font-size: 1.3rem;
            }
            .schedule-info .matchup {
                font-size: 1rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 575.98px) {
            .category-hero {
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 1.55rem;
            }
            .category-hero .hero-badge {
                font-size: 0.75rem;
                padding: 0.25rem 0.8rem;
            }
            .section-padding {
                padding: 2.2rem 0;
            }
            .container-lg {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .btn-primary-custom,
            .btn-outline-custom,
            .btn-outline-white {
                padding: 0.55rem 1.2rem;
                font-size: 0.85rem;
            }
            .schedule-item {
                padding: 1rem 1.2rem;
            }
            .feature-icon-block {
                padding: 1.5rem 1rem;
            }
            .feature-icon-circle {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
            }
            .stats-strip {
                padding: 2.5rem 0;
            }
            .accordion-custom .accordion-button {
                font-size: 0.95rem;
                padding: 1rem 0.5rem 1rem 0;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0B3D2E;
            --color-primary-light: #0F4C3A;
            --color-accent: #FF6B35;
            --color-accent-hover: #FF8552;
            --color-highlight: #F7C948;
            --color-bg: #F8F9FA;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6C757D;
            --color-border: #DEE2E6;
            --color-footer-bg: #0B2A1E;
            --color-footer-text: #C0C8C4;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-input: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s ease;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 64px;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container-lg {
            max-width: 1140px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== NAVIGATION ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 64px;
            border-bottom: 1px solid #E9ECEF;
            transition: box-shadow var(--transition-base);
        }

        .navbar-main.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--color-primary-light);
        }

        .navbar-main .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #333;
            padding: 0.5rem 1rem;
            margin: 0 0.25rem;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--color-accent);
        }

        .navbar-main .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .navbar-main .nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .navbar-toggler .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== INNER HERO ========== */
        .hero-inner {
            position: relative;
            min-height: 50vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-inner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 61, 46, 0.82) 0%, rgba(11, 61, 46, 0.55) 60%, rgba(11, 61, 46, 0.7) 100%);
            z-index: 1;
        }

        .hero-inner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 2rem 1.5rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-inner-content h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .hero-inner-content .hero-subtitle {
            font-size: 1.15rem;
            font-weight: 400;
            opacity: 0.9;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .breadcrumb-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.12);
            padding: 0.5rem 1.25rem;
            border-radius: 30px;
            backdrop-filter: blur(8px);
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .breadcrumb-custom a:hover {
            color: var(--color-highlight);
        }

        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.75rem;
        }

        .breadcrumb-custom .current {
            color: #fff;
            font-weight: 600;
        }

        /* ========== SECTION STYLES ========== */
        .section-padding {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

        .section-header {
            margin-bottom: 3rem;
        }

        .section-header.text-center {
            text-align: center;
        }

        .accent-bar {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 1rem;
        }

        /* ========== NEWS LIST WIDE ========== */
        .news-list-wide {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .news-item-wide {
            display: flex;
            flex-direction: row;
            background: var(--color-white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .news-item-wide:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .news-item-wide .news-image {
            flex: 0 0 35%;
            max-width: 35%;
            position: relative;
            overflow: hidden;
            min-height: 220px;
        }

        .news-item-wide .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-item-wide:hover .news-image img {
            transform: scale(1.06);
        }

        .news-item-wide .news-body {
            flex: 1;
            padding: 1.75rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-item-wide .news-date {
            display: inline-block;
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 0.5rem;
            letter-spacing: 0.03em;
        }

        .news-item-wide .news-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            line-height: 1.4;
            transition: color var(--transition-base);
        }

        .news-item-wide:hover .news-title {
            color: var(--color-primary);
        }

        .news-item-wide .news-excerpt {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex-grow: 1;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            padding: 0.5rem 0;
            transition: all var(--transition-base);
            border: none;
            background: none;
            cursor: pointer;
            align-self: flex-start;
        }

        .btn-read-more:hover {
            color: var(--color-accent);
            gap: 0.75rem;
        }

        .btn-read-more i {
            font-size: 0.8rem;
            transition: transform var(--transition-base);
        }

        .btn-read-more:hover i {
            transform: translateX(3px);
        }

        /* ========== FEATURES SECTION ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.75rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-align: center;
            border: 1px solid transparent;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(11, 61, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }

        .feature-card:hover .feature-icon {
            background: var(--color-primary);
            color: #fff;
        }

        .feature-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--color-text);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            background: var(--color-primary);
            color: #fff;
            padding: 4rem 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-highlight);
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            font-weight: 500;
            opacity: 0.85;
            letter-spacing: 0.03em;
        }

        .stat-item .stat-suffix {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-highlight);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            padding: 4.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-block;
            padding: 0.85rem 2.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            text-decoration: none;
        }

        .btn-cta:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
        }

        .btn-cta-outline {
            display: inline-block;
            padding: 0.85rem 2.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            text-decoration: none;
            margin-left: 0.75rem;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-white);
        }

        .accordion-custom .accordion-item {
            border: none;
            border-bottom: 1px solid var(--color-border);
            background: transparent;
            margin-bottom: 0;
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            padding: 1.25rem 1.5rem;
            border: none;
            box-shadow: none;
            transition: all var(--transition-base);
            position: relative;
            border-radius: 0;
        }

        .accordion-custom .accordion-button::after {
            display: none;
        }

        .accordion-custom .accordion-button .faq-icon {
            position: absolute;
            right: 1.5rem;
            top: 50%;
            transform: translateY(-50%);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(11, 61, 46, 0.06);
            color: var(--color-primary);
            font-size: 0.8rem;
            transition: all var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-50%) rotate(45deg);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: 4px;
        }

        .accordion-custom .accordion-body {
            padding: 0 1.5rem 1.5rem;
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.8;
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            justify-content: center;
            margin-top: 1rem;
        }

        .tag-cloud .tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-primary);
            background: rgba(11, 61, 46, 0.06);
            border-radius: 20px;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .tag-cloud .tag:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .footer-main {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.8;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-hover);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 1.25rem 0;
            font-size: 0.8rem;
            gap: 0.75rem;
        }

        .footer-bottom .divider {
            margin: 0 0.6rem;
            opacity: 0.4;
        }

        .footer-bottom a {
            color: var(--color-footer-text);
            transition: color var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-hover);
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-block;
            padding: 0.7rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .btn-outline-custom {
            display: inline-block;
            padding: 0.7rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .container-lg {
                max-width: 960px;
            }
            .hero-inner-content h1 {
                font-size: 2.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            .container-lg {
                max-width: 720px;
            }
            .hero-inner {
                min-height: 40vh;
                background-attachment: scroll;
            }
            .hero-inner-content h1 {
                font-size: 2.2rem;
            }
            .news-item-wide {
                flex-direction: column;
            }
            .news-item-wide .news-image {
                flex: 0 0 auto;
                max-width: 100%;
                min-height: 200px;
                max-height: 260px;
            }
            .news-item-wide .news-body {
                padding: 1.25rem 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .cta-section h2 {
                font-size: 1.9rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }

        @media (max-width: 767px) {
            .container-lg {
                max-width: 100%;
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-inner {
                min-height: 35vh;
                background-attachment: scroll;
            }
            .hero-inner-content h1 {
                font-size: 1.8rem;
            }
            .hero-inner-content .hero-subtitle {
                font-size: 1rem;
            }
            .breadcrumb-custom {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
            .news-item-wide .news-image {
                min-height: 180px;
                max-height: 220px;
            }
            .news-item-wide .news-title {
                font-size: 1.15rem;
            }
            .news-item-wide .news-body {
                padding: 1rem 1.25rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 0.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .accordion-custom .accordion-button {
                font-size: 0.95rem;
                padding: 1rem 1.25rem;
            }
            .tag-cloud {
                gap: 0.4rem;
            }
            .tag-cloud .tag {
                font-size: 0.78rem;
                padding: 0.3rem 0.8rem;
            }
            .navbar-main .navbar-collapse {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                padding: 1.5rem;
                border-bottom: 1px solid #E9ECEF;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .navbar-main .nav-link {
                display: block;
                text-align: center;
                padding: 0.75rem 1rem;
                font-size: 1.05rem;
                margin: 0.25rem 0;
            }
            .navbar-main .nav-link::after {
                bottom: 4px;
            }
        }

        @media (max-width: 520px) {
            .hero-inner {
                min-height: 30vh;
            }
            .hero-inner-content h1 {
                font-size: 1.5rem;
            }
            .news-item-wide .news-image {
                min-height: 160px;
                max-height: 190px;
            }
            .news-item-wide .news-title {
                font-size: 1.05rem;
            }
            .news-item-wide .news-excerpt {
                font-size: 0.85rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-cta,
            .btn-cta-outline {
                display: block;
                width: 100%;
                text-align: center;
                margin-left: 0;
                margin-top: 0.5rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0B3D2E;
            --color-primary-light: #0F4C3A;
            --color-accent: #FF6B35;
            --color-accent-hover: #FF8552;
            --color-highlight: #F7C948;
            --color-bg: #F8F9FA;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6C757D;
            --color-border: #DEE2E6;
            --color-footer-bg: #0B2A1E;
            --color-footer-text: #C0C8C4;
            --color-card-bg: #FFFFFF;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-input: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 64px;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
        }

        h1 {
            font-size: 3.5rem;
        }

        h2 {
            font-size: 2.4rem;
        }

        h3 {
            font-size: 1.6rem;
        }

        h4 {
            font-size: 1.25rem;
        }

        .container-lg {
            max-width: 1140px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== NAVIGATION ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 64px;
            border-bottom: 1px solid #E9ECEF;
            transition: box-shadow var(--transition-base);
        }

        .navbar-main.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--color-primary-light);
        }

        .navbar-main .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #333;
            padding: 0.5rem 1rem;
            margin: 0 0.25rem;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--color-accent);
        }

        .navbar-main .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .navbar-main .nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .navbar-toggler .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== SECTION SPACING ========== */
        .section-py {
            padding: 5rem 0;
        }

        .section-title-row {
            margin-bottom: 3rem;
        }

        .section-title-row h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
        }

        .section-title-row .subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* ========== BUTTONS ========== */
        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
            cursor: pointer;
        }

        .btn-accent:hover {
            background-color: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 107, 53, 0.3);
        }

        .btn-accent:focus {
            outline: 3px solid rgba(255, 107, 53, 0.4);
            outline-offset: 2px;
        }

        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 2px solid #fff;
            border-radius: var(--radius-btn);
            padding: 0.65rem 1.7rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-light-custom:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }

        .btn-outline-primary-custom {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-primary-custom:hover {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-primary-filled {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(11, 61, 46, 0.2);
        }

        .btn-primary-filled:hover {
            background: var(--color-primary-light);
            color: #fff;
            box-shadow: 0 4px 16px rgba(11, 61, 46, 0.35);
            transform: translateY(-1px);
        }

        /* ========== HERO ========== */
        .hero-vip {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            padding: 3rem 0;
            overflow: hidden;
        }

        .hero-vip-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 61, 46, 0.82) 0%, rgba(11, 61, 46, 0.55) 60%, rgba(11, 42, 30, 0.7) 100%);
        }

        .hero-vip-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .hero-vip-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-highlight) 0%, #E5A832 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            box-shadow: 0 8px 32px rgba(247, 201, 72, 0.45);
            border: 3px solid rgba(255, 255, 255, 0.6);
        }

        .hero-vip-avatar i {
            font-size: 2.8rem;
            color: #fff;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
        }

        .hero-vip-nickname {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
            text-transform: uppercase;
        }

        .hero-vip-title {
            font-size: 3.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .hero-vip-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        .hero-vip-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 2.5rem;
        }

        .hero-badge-item {
            background: rgba(255, 255, 255, 0.13);
            backdrop-filter: blur(8px);
            border-radius: 12px;
            padding: 1rem 1.5rem;
            text-align: center;
            min-width: 100px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-badge-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-highlight);
            display: block;
            line-height: 1;
        }

        .hero-badge-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 0.35rem;
        }

        .hero-vip-cta-wrap {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== INTRO SUMMARY ========== */
        .intro-summary {
            background: var(--color-white);
            padding: 3rem 0;
            border-bottom: 1px solid var(--color-border);
        }

        .intro-summary-inner {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .intro-summary-inner h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--color-primary);
        }

        .intro-summary-inner p {
            font-size: 1.1rem;
            color: var(--color-text-light);
            line-height: 1.8;
        }

        /* ========== PRIVILEGE SECTION ========== */
        .privilege-block {
            background: var(--color-white);
        }

        .privilege-row {
            display: flex;
            align-items: center;
            gap: 3rem;
            margin-bottom: 4rem;
            flex-wrap: wrap;
        }

        .privilege-row:last-child {
            margin-bottom: 0;
        }

        .privilege-row.reverse {
            flex-direction: row-reverse;
        }

        .privilege-img {
            flex: 0 0 48%;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .privilege-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .privilege-img:hover img {
            transform: scale(1.04);
        }

        .privilege-text {
            flex: 1;
            min-width: 280px;
        }

        .privilege-text .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(11, 61, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.3rem;
            color: var(--color-primary);
        }

        .privilege-text h3 {
            font-size: 1.5rem;
            margin-bottom: 0.75rem;
            color: var(--color-text);
        }

        .privilege-text p {
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 1rem;
        }

        .privilege-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .privilege-text ul li {
            padding: 0.4rem 0;
            padding-left: 1.5rem;
            position: relative;
            color: var(--color-text);
            font-size: 0.95rem;
        }

        .privilege-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.7rem;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ========== TIER CARDS ========== */
        .tier-section {
            background: var(--color-bg);
        }

        .tier-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr 1.5fr;
            gap: 1.5rem;
            align-items: stretch;
        }

        .tier-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 2px solid transparent;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .tier-card.featured {
            border-color: var(--color-highlight);
            background: linear-gradient(180deg, #FFFEF9 0%, #FFFFFF 100%);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }

        .tier-card.featured .tier-badge {
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--color-highlight);
            color: #5C3D00;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        .tier-icon {
            font-size: 2.5rem;
            margin-bottom: 0.75rem;
        }

        .tier-card h3 {
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
        }

        .tier-price {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1.2rem;
        }

        .tier-price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--color-text-light);
        }

        .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            flex: 1;
        }

        .tier-features li {
            padding: 0.5rem 0;
            padding-left: 1.6rem;
            position: relative;
            font-size: 0.9rem;
            color: var(--color-text);
            border-bottom: 1px solid #f5f5f5;
        }

        .tier-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0.5rem;
            font-size: 0.75rem;
            color: var(--color-primary);
        }

        .tier-card .btn-wrap {
            text-align: center;
        }

        /* ========== POINTS SECTION ========== */
        .points-section {
            background: var(--color-white);
        }

        .points-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .point-item {
            text-align: center;
            padding: 2rem 1.5rem;
            background: var(--color-bg);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
        }

        .point-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            background: #fff;
        }

        .point-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(11, 61, 46, 0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }

        .point-item:hover .point-icon {
            background: var(--color-primary);
            color: #fff;
        }

        .point-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .point-item p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== DATA SERVICE BLOCK ========== */
        .data-service-block {
            position: relative;
            background: url('/assets/images/coverpic/cover-8.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 5rem 0;
            overflow: hidden;
        }

        .data-service-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 61, 46, 0.88) 0%, rgba(11, 42, 30, 0.5) 100%);
        }

        .data-service-panel {
            position: relative;
            z-index: 2;
            background: rgba(255, 255, 255, 0.93);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            max-width: 520px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        }

        .data-service-panel h3 {
            color: var(--color-primary);
            margin-bottom: 0.75rem;
            font-size: 1.5rem;
        }

        .data-service-panel p {
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 1.2rem;
        }

        .data-service-panel ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }

        .data-service-panel ul li {
            padding: 0.45rem 0;
            padding-left: 1.5rem;
            position: relative;
            font-size: 0.95rem;
        }

        .data-service-panel ul li::before {
            content: '\f054';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0.45rem;
            font-size: 0.65rem;
            color: var(--color-accent);
        }

        /* ========== STEPS ========== */
        .steps-section {
            background: var(--color-bg);
        }

        .steps-flow {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            padding: 2rem 1.5rem;
            background: var(--color-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-base);
        }

        .step-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
        }

        .step-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        .step-arrow {
            display: flex;
            align-items: center;
            color: var(--color-accent);
            font-size: 1.4rem;
            padding-top: 2.5rem;
            flex-shrink: 0;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--color-white);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 1rem 1.2rem;
            text-align: center;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .comparison-table thead th:first-child {
            text-align: left;
            background: var(--color-primary-light);
        }

        .comparison-table tbody td {
            padding: 0.85rem 1.2rem;
            text-align: center;
            border-bottom: 1px solid var(--color-border);
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text);
        }

        .comparison-table tbody tr:hover {
            background: #f9fafb;
        }

        .check-icon {
            color: #28a745;
            font-weight: 700;
        }

        .dash-icon {
            color: #ccc;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg);
        }

        .accordion-custom .accordion-item {
            border: none;
            border-bottom: 1px solid var(--color-border);
            background: transparent;
            border-radius: 0;
        }

        .accordion-custom .accordion-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .accordion-custom .accordion-button {
            background: transparent;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text);
            padding: 1.2rem 1rem 1.2rem 3rem;
            box-shadow: none;
            border: none;
            border-radius: 0;
            transition: color var(--transition-base);
            position: relative;
        }

        .accordion-custom .accordion-button::before {
            content: '+';
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--color-text-light);
            transition: all var(--transition-base);
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(11, 61, 46, 0.05);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed)::before {
            content: '\2212';
            color: var(--color-primary);
            background: rgba(11, 61, 46, 0.1);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: 4px;
        }

        .accordion-custom .accordion-body {
            padding: 0.5rem 1rem 1.5rem 3rem;
            color: var(--color-text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 4rem 0;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .cta-section .btn-accent {
            font-size: 1.1rem;
            padding: 0.85rem 2.5rem;
        }

        /* ========== FOOTER ========== */
        .footer-main {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--color-footer-text);
            margin: 0;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-col ul li {
            color: var(--color-footer-text);
            font-size: 0.9rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            gap: 0.75rem;
        }

        .footer-bottom a {
            color: var(--color-footer-text);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-bottom .divider {
            margin: 0 0.6rem;
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199.98px) {
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .tier-card.featured {
                grid-column: span 2;
            }
        }

        @media (max-width: 991.98px) {
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .hero-vip-title {
                font-size: 2.2rem;
            }
            .section-py {
                padding: 3rem 0;
            }
            .privilege-row {
                flex-direction: column;
                gap: 1.5rem;
            }
            .privilege-row.reverse {
                flex-direction: column;
            }
            .privilege-img {
                flex: 0 0 100%;
                width: 100%;
            }
            .privilege-img img {
                height: 240px;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .tier-card.featured {
                grid-column: span 1;
            }
            .points-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .data-service-panel {
                max-width: 100%;
                margin: 0 1rem;
            }
            .step-arrow {
                display: none;
            }
            .steps-flow {
                gap: 1rem;
            }
            .step-item {
                min-width: 140px;
                max-width: none;
                flex: 1 1 40%;
            }
            .navbar-main .navbar-collapse {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                padding: 1.5rem;
                border-bottom: 1px solid #E9ECEF;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .navbar-main .nav-link {
                display: block;
                text-align: center;
                padding: 0.75rem 1rem;
                font-size: 1.05rem;
                margin: 0.25rem 0;
            }
            .navbar-main .nav-link::after {
                bottom: 4px;
            }
        }

        @media (max-width: 767.98px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero-vip {
                min-height: 70vh;
                background-attachment: scroll;
            }
            .hero-vip-title {
                font-size: 1.8rem;
            }
            .hero-vip-avatar {
                width: 75px;
                height: 75px;
            }
            .hero-vip-avatar i {
                font-size: 2rem;
            }
            .hero-vip-badges {
                gap: 0.75rem;
            }
            .hero-badge-item {
                padding: 0.7rem 1rem;
                min-width: 80px;
            }
            .hero-badge-number {
                font-size: 1.5rem;
            }
            .section-title-row h2 {
                font-size: 1.5rem;
            }
            .points-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .point-item {
                padding: 1.5rem 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .comparison-table-wrap {
                margin: 0 -1rem;
            }
            .data-service-block {
                min-height: 300px;
                padding: 3rem 0;
            }
            .data-service-panel {
                padding: 1.5rem;
                margin: 0 0.75rem;
            }
            .step-item {
                flex: 1 1 100%;
                max-width: none;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .btn-accent {
                padding: 0.6rem 1.4rem;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 519.98px) {
            .hero-vip-title {
                font-size: 1.5rem;
            }
            .hero-vip-subtitle {
                font-size: 0.95rem;
            }
            .hero-vip-badges {
                flex-direction: row;
                gap: 0.5rem;
            }
            .hero-badge-item {
                padding: 0.5rem 0.75rem;
                min-width: 65px;
                border-radius: 8px;
            }
            .hero-badge-number {
                font-size: 1.2rem;
            }
            .hero-badge-label {
                font-size: 0.75rem;
            }
            .points-grid {
                grid-template-columns: 1fr;
            }
            .privilege-text h3 {
                font-size: 1.25rem;
            }
            .section-py {
                padding: 2.5rem 0;
            }
            .container-lg {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }