/* roulang page: index */
:root {
            --primary: #0f1a2e;
            --primary-light: #1a2744;
            --primary-dark: #0a1220;
            --accent: #c8a45c;
            --accent-light: #d4b878;
            --accent-dark: #b08a3c;
            --accent-glow: rgba(200, 164, 92, 0.25);
            --bg: #f8f7f4;
            --bg-warm: #f3f1ec;
            --white: #ffffff;
            --text: #1a1a1a;
            --text-soft: #4a4a4a;
            --text-muted: #7a7a7a;
            --text-light: #9ca3af;
            --border: #e5e3de;
            --border-light: #f0ede8;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --container-max: 1260px;
            --nav-height: 68px;
            --topbar-height: 36px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

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

        button {
            cursor: pointer;
            border: none;
            font-family: var(--font-stack);
            transition: all var(--transition-fast);
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        input {
            font-family: var(--font-stack);
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* Top Bar */
        .topbar {
            background: var(--primary-dark);
            color: #c5c9d0;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .topbar__left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar__left i {
            color: var(--accent);
            font-size: 0.7rem;
        }
        .topbar__right {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .topbar__right a {
            color: #c5c9d0;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .topbar__right a:hover {
            color: var(--accent-light);
        }
        .topbar__right .topbar-btn {
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.76rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
        }
        .topbar__right .topbar-btn:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-1px);
        }

        /* Header & Nav */
        .header {
            background: var(--white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .header.scrolled {
            box-shadow: var(--shadow);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav__link {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-soft);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav__link:hover {
            color: var(--primary);
            background: var(--bg-warm);
        }
        .nav__link.active {
            color: var(--accent-dark);
            background: rgba(200, 164, 92, 0.08);
            font-weight: 700;
        }
        .nav__link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            letter-spacing: 0.3px;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }
        .nav-cta:hover {
            background: var(--accent-dark) !important;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 164, 92, 0.35);
            color: #fff !important;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            background: none;
            z-index: 1002;
            border-radius: var(--radius-xs);
        }
        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 3px;
            transition: all var(--transition-fast);
            display: block;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav {
                position: fixed;
                top: 0;
                right: -320px;
                width: 300px;
                height: 100vh;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                padding: 90px 28px 40px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                z-index: 1001;
                overflow-y: auto;
            }
            .nav.open {
                right: 0;
            }
            .nav__link {
                padding: 14px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav__link.active::after {
                display: none;
            }
            .nav__link.active {
                border-left: 3px solid var(--accent);
                border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
            }
            .nav-cta {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 8px;
                border-radius: var(--radius-sm) !important;
            }
            .hamburger {
                display: flex;
            }
            .topbar__left span {
                display: none;
            }
            .topbar__left i {
                margin-right: 0;
            }
        }
        @media (max-width: 520px) {
            .topbar {
                font-size: 0.7rem;
                height: 30px;
            }
            .topbar__right {
                gap: 10px;
            }
            .topbar__right a {
                font-size: 0.7rem;
            }
            .topbar__right .topbar-btn {
                padding: 3px 10px;
                font-size: 0.68rem;
            }
            .logo {
                font-size: 1.25rem;
            }
            .nav {
                width: 280px;
                right: -290px;
            }
            .container {
                padding: 0 16px;
            }
            :root {
                --nav-height: 58px;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            background: var(--primary);
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.28;
            z-index: 0;
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 26, 46, 0.55) 0%, rgba(15, 26, 46, 0.9) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding-top: 60px;
            padding-bottom: 60px;
            gap: 20px;
        }
        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 164, 92, 0.18);
            border: 1px solid rgba(200, 164, 92, 0.4);
            color: var(--accent-light);
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.6px;
        }
        .hero__badge i {
            font-size: 0.75rem;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            max-width: 700px;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .hero h1 em {
            font-style: normal;
            color: var(--accent-light);
            position: relative;
        }
        .hero__desc {
            color: #d1d5db;
            font-size: 1.1rem;
            max-width: 580px;
            line-height: 1.8;
        }
        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 8px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 26px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 22px rgba(200, 164, 92, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(200, 164, 92, 0.45);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 500px;
            }
            .hero h1 {
                font-size: 2rem;
                max-width: 100%;
            }
            .hero__desc {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .hero .container {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
        }
        @media (max-width: 520px) {
            .hero {
                min-height: 440px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero__desc {
                font-size: 0.85rem;
            }
            .hero__badge {
                font-size: 0.76rem;
                padding: 6px 14px;
            }
        }

        /* Section common */
        .section {
            padding: 70px 0;
        }
        .section--warm {
            background: var(--bg-warm);
        }
        .section--dark {
            background: var(--primary);
            color: #e0e3e8;
        }
        .section__label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 8px;
        }
        .section__title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .section__subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .section--dark .section__title {
            color: #fff;
        }
        .section--dark .section__subtitle {
            color: #b0b8c4;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section__title {
                font-size: 1.6rem;
            }
            .section__subtitle {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .stat-card__icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            background: rgba(200, 164, 92, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-dark);
        }
        .stat-card__num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            line-height: 1;
        }
        .stat-card__label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card__num {
                font-size: 1.6rem;
            }
            .stat-card__icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }

        /* Advantage cards */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .adv-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .adv-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .adv-card__icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, rgba(200, 164, 92, 0.2) 0%, rgba(200, 164, 92, 0.06) 100%);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-dark);
        }
        .adv-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .adv-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Brand story */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-block__img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .story-block__img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .story-block__content h3 {
            font-size: 1.6rem;
            margin-bottom: 14px;
        }
        .story-block__content p {
            color: var(--text-soft);
            line-height: 1.9;
            margin-bottom: 12px;
            font-size: 0.98rem;
        }
        @media (max-width: 768px) {
            .story-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .story-block__content h3 {
                font-size: 1.3rem;
            }
            .story-block__content p {
                font-size: 0.9rem;
            }
        }

        /* Category cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cat-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: block;
        }
        .cat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: var(--accent);
        }
        .cat-card__img {
            aspect-ratio: 3/2;
            overflow: hidden;
            position: relative;
        }
        .cat-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .cat-card:hover .cat-card__img img {
            transform: scale(1.06);
        }
        .cat-card__body {
            padding: 20px 18px;
        }
        .cat-card__body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .cat-card__body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Tournament highlight */
        .tournament-card {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            background: var(--white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            align-items: stretch;
        }
        .tournament-card__img {
            aspect-ratio: 4/3;
            overflow: hidden;
            min-height: 100%;
        }
        .tournament-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .tournament-card__body {
            padding: 32px 28px 32px 8px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 12px;
        }
        .tournament-card__body .badge {
            display: inline-block;
            background: rgba(200, 164, 92, 0.15);
            color: var(--accent-dark);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            width: fit-content;
        }
        .tournament-card__body h3 {
            font-size: 1.4rem;
        }
        .tournament-card__body p {
            color: var(--text-soft);
            line-height: 1.7;
            font-size: 0.93rem;
        }
        @media (max-width: 768px) {
            .tournament-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .tournament-card__body {
                padding: 24px 20px;
            }
            .tournament-card__img {
                aspect-ratio: 2/1;
                min-height: auto;
            }
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 28px 40px;
        }
        .partner-item {
            background: var(--white);
            padding: 18px 28px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            font-weight: 700;
            color: var(--text-soft);
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            text-align: center;
            min-width: 100px;
        }
        .partner-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--accent);
            color: var(--accent-dark);
        }
        @media (max-width: 520px) {
            .partners-row {
                gap: 12px 16px;
            }
            .partner-item {
                padding: 12px 16px;
                font-size: 0.8rem;
            }
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .review-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .review-card__stars {
            color: #f0b90b;
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .review-card__text {
            color: var(--text-soft);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .review-card__author {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.88rem;
        }
        @media (max-width: 768px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* News */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: grid;
            grid-template-columns: 140px 1fr auto;
            gap: 20px;
            align-items: center;
            background: var(--white);
            border-radius: var(--radius);
            padding: 18px 20px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--accent);
            transform: translateX(4px);
        }
        .news-item__img {
            width: 140px;
            aspect-ratio: 4/3;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-item__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item__info .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .news-item__info h4 {
            font-size: 1rem;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .news-item__info p {
            font-size: 0.83rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: 20px;
            font-weight: 600;
            background: transparent;
            border: 1.5px solid var(--accent);
            color: var(--accent-dark);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-sm:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
            }
            .news-item__img {
                width: 100%;
                aspect-ratio: 2/1;
            }
            .news-item .btn-sm {
                align-self: flex-start;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-item__q {
            padding: 18px 22px;
            font-weight: 700;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.98rem;
            user-select: none;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
        }
        .faq-item__q:hover {
            background: var(--bg-warm);
        }
        .faq-item__q i {
            transition: transform var(--transition-fast);
            color: var(--accent-dark);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-item__q i {
            transform: rotate(180deg);
        }
        .faq-item__a {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            color: var(--text-soft);
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-item__a {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* CTA */
        .cta-block {
            text-align: center;
            padding: 56px 20px;
            background: var(--primary);
            border-radius: var(--radius-xl);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-block p {
            color: #c5c9d0;
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 520px) {
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .cta-block p {
                font-size: 0.88rem;
            }
        }

        /* Footer */
        .footer {
            background: var(--primary-dark);
            color: #b0b8c4;
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .footer p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: #8a909c;
        }
        .footer h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .footer ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer ul li a {
            color: #8a909c;
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }
        .footer ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #6b7280;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Overlay for mobile nav */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
        }
        .nav-overlay.show {
            display: block;
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }

/* roulang page: category1 */
:root {
            --primary: #0F172A;
            --primary-light: #1E293B;
            --accent: #F59E0B;
            --accent-hover: #D97904;
            --accent-glow: #FBBF24;
            --surface: #FFFFFF;
            --surface-alt: #F1F5F9;
            --surface-dark: #0B1121;
            --surface-card: #1A2332;
            --text-primary: #1E293B;
            --text-secondary: #475569;
            --text-light: #64748B;
            --text-on-dark: #E2E8F0;
            --text-on-dark-muted: #94A3B8;
            --border: #E2E8F0;
            --border-light: #CBD5E1;
            --border-dark: #334155;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.12), 0 8px 16px -6px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.25);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1220px;
            --container-padding: 24px;
            --header-height: 72px;
            --topbar-height: 38px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: #F8FAFC;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-width: 320px;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }

        /* ========== TOP BAR ========== */
        .topbar {
            background: var(--primary);
            color: var(--text-on-dark-muted);
            font-size: 13px;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .topbar__left {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .topbar__left span {
            color: var(--text-on-dark-muted);
        }
        .topbar__right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .topbar__right a {
            color: var(--text-on-dark-muted);
            font-size: 13px;
            transition: color var(--transition);
        }
        .topbar__right a:hover {
            color: var(--accent-glow);
        }
        .topbar .topbar-badge {
            display: inline-block;
            background: var(--accent);
            color: #0F172A;
            font-weight: 700;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            line-height: 1.4;
            margin-left: 4px;
            letter-spacing: 0.3px;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header__logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header__logo span {
            color: var(--accent);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-full);
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav__link:hover {
            color: var(--primary);
            background: #F1F5F9;
        }
        .nav__link.active {
            color: #FFFFFF;
            background: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }
        .nav-cta {
            background: var(--accent) !important;
            color: #0F172A !important;
            font-weight: 700 !important;
            padding: 8px 18px !important;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .nav-cta:hover {
            background: var(--accent-hover) !important;
            color: #0F172A !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1020;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--surface-dark);
            color: #FFFFFF;
            padding: 80px 0;
            overflow: hidden;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.7) 50%, rgba(11, 17, 33, 0.85) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner__tag {
            display: inline-block;
            background: var(--accent);
            color: #0F172A;
            font-weight: 700;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .page-banner h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.2;
        }
        .page-banner h1 span {
            color: var(--accent-glow);
        }
        .page-banner__desc {
            font-size: 17px;
            color: var(--text-on-dark-muted);
            max-width: 640px;
            line-height: 1.7;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 72px 0;
        }
        .section--alt {
            background: var(--surface-alt);
        }
        .section--dark {
            background: var(--surface-dark);
            color: #FFFFFF;
        }
        .section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .section__title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.4px;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .section__subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
            margin-bottom: 40px;
        }
        .section--dark .section__title {
            color: #FFFFFF;
        }
        .section--dark .section__subtitle {
            color: var(--text-on-dark-muted);
        }

        /* ========== GRID ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ========== CARD ========== */
        .card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            gap: 12px;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
            border-color: var(--border-light);
        }
        .card--dark {
            background: var(--surface-card);
            border-color: var(--border-dark);
            color: var(--text-on-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }
        .card--dark:hover {
            border-color: rgba(245, 158, 11, 0.4);
            box-shadow: var(--shadow-glow), 0 12px 30px rgba(0, 0, 0, 0.35);
        }
        .card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
            background: #FEF3C7;
            color: var(--accent);
        }
        .card--dark .card__icon {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-glow);
        }
        .card__title {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.2px;
        }
        .card__desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .card--dark .card__desc {
            color: var(--text-on-dark-muted);
        }
        .card__image {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #E2E8F0;
            margin-bottom: 4px;
        }
        .card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card__image img {
            transform: scale(1.04);
        }
        .card__tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: #F1F5F9;
            color: var(--text-secondary);
            align-self: flex-start;
        }
        .card--dark .card__tag {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-on-dark-muted);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn--primary {
            background: var(--accent);
            color: #0F172A;
            box-shadow: var(--shadow-sm);
        }
        .btn--primary:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn--outline {
            border: 1.5px solid var(--border-light);
            color: var(--text-primary);
            background: transparent;
        }
        .btn--outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #F8FAFC;
        }
        .btn--light {
            background: #FFFFFF;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn--light:hover {
            background: #F1F5F9;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn--lg {
            padding: 14px 34px;
            font-size: 16px;
            font-weight: 700;
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: center;
            padding: 40px 0;
        }
        .stat-item {
            text-align: center;
            flex: 0 0 auto;
            min-width: 140px;
        }
        .stat-item__value {
            font-size: 40px;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--accent-glow);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-item__label {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            font-weight: 500;
        }
        .section--dark .stat-item__value {
            color: var(--accent-glow);
        }

        /* ========== FEATURE LIST ========== */
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .feature-list__item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 20px;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .feature-list__item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
        }
        .feature-list__icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: #FEF3C7;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            color: var(--accent);
        }
        .feature-list__content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .feature-list__content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== TABLE STYLED ========== */
        .table-wrap {
            overflow-x: auto;
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 600px;
        }
        .styled-table thead {
            background: var(--primary);
            color: #FFFFFF;
        }
        .styled-table th {
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .styled-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border);
            color: var(--text-primary);
        }
        .styled-table tbody tr {
            transition: background var(--transition);
        }
        .styled-table tbody tr:hover {
            background: #F8FAFC;
        }
        .styled-table tbody tr:last-child td {
            border-bottom: none;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1A2744 100%);
            color: #FFFFFF;
            text-align: center;
            padding: 60px 0;
            border-radius: var(--radius-xl);
            margin-bottom: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(245, 158, 11, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: var(--text-on-dark-muted);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 16px;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--surface-dark);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__brand {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }
        .footer p {
            color: var(--text-on-dark-muted);
            line-height: 1.6;
            font-size: 13px;
        }
        .footer ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer ul li a {
            color: var(--text-on-dark-muted);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer ul li a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--text-on-dark-muted);
            letter-spacing: 0.2px;
        }

        /* ========== MOBILE NAV DRAWER ========== */
        @media (max-width: 768px) {
            .topbar {
                display: none;
            }
            .header {
                height: 60px;
            }
            .header__logo {
                font-size: 19px;
            }
            .nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #FFFFFF;
                flex-direction: column;
                padding: 80px 28px 28px;
                gap: 4px;
                box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
                transition: right 0.35s ease;
                z-index: 1010;
                align-items: stretch;
            }
            .nav.open {
                right: 0;
            }
            .nav__link {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 16px;
                width: 100%;
            }
            .nav-toggle {
                display: flex;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .page-banner {
                padding: 56px 0;
                min-height: 280px;
            }
            .section {
                padding: 48px 0;
            }
            .section__title {
                font-size: 24px;
            }
            .stats-row {
                gap: 20px;
            }
            .stat-item__value {
                font-size: 30px;
            }
            .cta-section {
                padding: 44px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 22px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .grid-3,
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 34px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a2740;
            --color-primary-light: #233356;
            --color-accent: #c8963e;
            --color-accent-light: #d4a853;
            --color-accent-dark: #a8782a;
            --color-bg: #f9fafb;
            --color-white: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a6072;
            --color-text-muted: #8b919e;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f4;
            --color-card-bg: #ffffff;
            --color-tag-bg: #f0f2f7;
            --color-tag-text: #4a5568;
            --color-success: #2e7d5b;
            --color-highlight: #fdf6ed;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(26, 39, 64, 0.06);
            --shadow-md: 0 4px 14px rgba(26, 39, 64, 0.08);
            --shadow-lg: 0 8px 30px rgba(26, 39, 64, 0.10);
            --shadow-xl: 0 14px 44px rgba(26, 39, 64, 0.12);
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1.25rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4.5rem;
            --space-3xl: 6rem;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Serif SC', 'STSong', serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --topbar-height: 36px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-accent-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        /* ========== TOP BAR ========== */
        .topbar {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8rem;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .topbar__left {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }
        .topbar__left span {
            opacity: 0.8;
        }
        .topbar__right {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
        }
        .topbar__right a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .topbar__right a:hover {
            color: var(--color-accent-light);
        }
        .topbar__dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #4ade80;
            display: inline-block;
            margin-right: 6px;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(74, 222, 128, 0);
            }
        }

        /* ========== HEADER & NAV ========== */
        .header {
            background: var(--color-white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            font-family: var(--font-display);
        }
        .logo__icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-light);
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }
        .nav__link {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.1rem;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav__link:hover {
            color: var(--color-primary);
            background: var(--color-tag-bg);
        }
        .nav__link.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: var(--color-highlight);
        }
        .nav__link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-accent);
        }
        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: var(--radius-md) !important;
            margin-left: 0.5rem;
            transition: all var(--transition-base) !important;
        }
        .nav-cta:hover {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .nav-cta::after {
            display: none !important;
        }

        /* Mobile Menu */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            z-index: 1010;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            border-radius: 3px;
            background: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== MAIN ========== */
        main {
            flex: 1;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: var(--space-3xl) 0 var(--space-2xl);
            background: linear-gradient(170deg, #1a2740 0%, #1e3055 40%, #233a62 100%);
            color: #fff;
            overflow: hidden;
            text-align: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 50px;
            background: var(--color-bg);
            border-radius: 50% 50% 0 0 / 100% 100% 0 0;
            z-index: 1;
        }
        .page-banner__content {
            position: relative;
            z-index: 2;
        }
        .page-banner__badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            font-size: 0.82rem;
            letter-spacing: 0.06em;
            color: var(--color-accent-light);
            margin-bottom: var(--space-md);
            backdrop-filter: blur(4px);
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-sm);
            font-family: var(--font-display);
            line-height: 1.25;
        }
        .page-banner__sub {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--space-2xl) 0;
            position: relative;
            z-index: 1;
        }
        .section--alt {
            background: var(--color-white);
        }
        .section__header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }
        .section__label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            background: var(--color-highlight);
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            margin-bottom: var(--space-sm);
        }
        .section__title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
            font-family: var(--font-display);
            letter-spacing: 0.02em;
        }
        .section__desc {
            font-size: 0.98rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.65;
        }

        /* ========== HEADLINE NEWS ========== */
        .headline-news {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: var(--space-lg);
            align-items: stretch;
        }
        .headline-news__main {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-base);
        }
        .headline-news__main:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }
        .headline-news__main img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }
        .headline-news__main .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(26, 39, 64, 0.92) 0%, rgba(26, 39, 64, 0.2) 60%, rgba(26, 39, 64, 0.05) 100%);
            z-index: 1;
        }
        .headline-news__main .content {
            position: relative;
            z-index: 2;
            padding: var(--space-xl) var(--space-lg);
            color: #fff;
        }
        .headline-news__main .tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
        }
        .headline-news__main h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            line-height: 1.3;
        }
        .headline-news__main .date {
            font-size: 0.8rem;
            opacity: 0.8;
        }
        .headline-news__side {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }
        .headline-news__side .side-card {
            display: flex;
            gap: var(--space-md);
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            align-items: center;
        }
        .headline-news__side .side-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            border-color: var(--color-border);
        }
        .side-card__img {
            width: 90px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .side-card__info h4 {
            font-size: 0.93rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .side-card__info .meta {
            font-size: 0.76rem;
            color: var(--color-text-muted);
        }

        /* ========== NEWS LIST ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .news-card__img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8ecf2;
        }
        .news-card__img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card__img-wrap img {
            transform: scale(1.05);
        }
        .news-card__tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.2rem 0.7rem;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .news-card__body {
            padding: var(--space-md) var(--space-md) var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card__body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--space-xs);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card__body .excerpt {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--space-sm);
        }
        .news-card__body .meta-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border-light);
            padding-top: var(--space-sm);
        }
        .news-card__body .read-more {
            color: var(--color-accent-dark);
            font-weight: 600;
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .news-card__body .read-more:hover {
            color: var(--color-accent);
        }

        /* ========== TIMELINE ========== */
        .timeline {
            position: relative;
            padding-left: 40px;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--color-border);
            border-radius: 3px;
        }
        .timeline__item {
            position: relative;
            margin-bottom: var(--space-xl);
            padding-bottom: var(--space-xs);
        }
        .timeline__item:last-child {
            margin-bottom: 0;
        }
        .timeline__dot {
            position: absolute;
            left: -30px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid var(--color-white);
            box-shadow: var(--shadow-sm);
            z-index: 2;
        }
        .timeline__year {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }
        .timeline__item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .timeline__item p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* ========== MEDIA GRID ========== */
        .media-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .media-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--space-lg) var(--space-md);
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .media-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .media-card__icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-highlight);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            font-size: 1.3rem;
            color: var(--color-accent-dark);
        }
        .media-card h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .media-card p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, #1e3055 100%);
            color: #fff;
            text-align: center;
            padding: var(--space-3xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            font-family: var(--font-display);
        }
        .cta-section p {
            font-size: 1rem;
            opacity: 0.85;
            max-width: 500px;
            margin: 0 auto var(--space-lg);
            line-height: 1.6;
        }
        .cta-section .btn-group {
            display: flex;
            gap: var(--space-md);
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn--accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn--accent:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn--outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
        }
        .btn--outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .faq-item__q {
            width: 100%;
            text-align: left;
            padding: var(--space-md) var(--space-lg);
            background: none;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--space-md);
            cursor: pointer;
            border: none;
            outline: none;
            line-height: 1.4;
        }
        .faq-item__q .arrow {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: transform var(--transition-base);
            color: var(--color-text-soft);
        }
        .faq-item.open .faq-item__q .arrow {
            transform: rotate(180deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-item__a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 var(--space-lg);
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-item__a {
            max-height: 400px;
            padding: 0 var(--space-lg) var(--space-lg);
        }

        /* ========== NEWSLETTER ========== */
        .newsletter-box {
            max-width: 600px;
            margin: 0 auto;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            text-align: center;
        }
        .newsletter-box h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-xs);
        }
        .newsletter-box p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-bottom: var(--space-lg);
        }
        .newsletter-form {
            display: flex;
            gap: var(--space-sm);
            max-width: 440px;
            margin: 0 auto;
        }
        .newsletter-form input {
            flex: 1;
            padding: 0.65rem 1rem;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
            background: var(--color-bg);
        }
        .newsletter-form input:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.1);
        }
        .newsletter-form button {
            padding: 0.65rem 1.6rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
        }
        .newsletter-form button:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: var(--space-xl);
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
        }
        .pagination a:hover {
            background: var(--color-tag-bg);
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }
        .pagination .active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
        }
        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: #141e2e;
            color: rgba(255, 255, 255, 0.8);
            padding: var(--space-2xl) 0 var(--space-lg);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }
        .footer__brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            font-family: var(--font-display);
            letter-spacing: 0.03em;
        }
        .footer p {
            line-height: 1.65;
            font-size: 0.85rem;
            opacity: 0.75;
        }
        .footer h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.03em;
        }
        .footer ul li {
            margin-bottom: 6px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }
        .footer ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --nav-height: 64px;
            }
            .topbar {
                display: none;
            }
            .headline-news {
                grid-template-columns: 1fr;
            }
            .headline-news__main {
                min-height: 280px;
            }
            .headline-news__side {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .media-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .nav {
                gap: 0;
            }
            .nav__link {
                font-size: 0.82rem;
                padding: 0.5rem 0.7rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--space-md);
            }
            .nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: var(--space-md);
                gap: 4px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                transition: transform var(--transition-base);
                z-index: 999;
                border-bottom: 2px solid var(--color-border);
            }
            .nav.open {
                transform: translateY(0);
            }
            .nav__link {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
                justify-content: center;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 4px;
            }
            .nav-toggle {
                display: flex;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner__sub {
                font-size: 0.9rem;
            }
            .section__title {
                font-size: 1.5rem;
            }
            .headline-news__side {
                grid-template-columns: 1fr;
            }
            .headline-news__main {
                min-height: 240px;
            }
            .headline-news__main h3 {
                font-size: 1.2rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .media-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .newsletter-form {
                flex-direction: column;
            }
            .timeline {
                padding-left: 30px;
            }
            .timeline::before {
                left: 12px;
            }
            .timeline__dot {
                left: -23px;
                width: 11px;
                height: 11px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }

        @media (max-width: 520px) {
            :root {
                --nav-height: 58px;
                --topbar-height: 0;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo__icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .page-banner {
                padding: var(--space-2xl) 0 var(--space-xl);
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .section {
                padding: var(--space-xl) 0;
            }
            .section__title {
                font-size: 1.3rem;
            }
            .headline-news__main {
                min-height: 200px;
            }
            .headline-news__main .content {
                padding: var(--space-md);
            }
            .headline-news__main h3 {
                font-size: 1.05rem;
            }
            .media-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }
            .media-card {
                padding: var(--space-md) var(--space-sm);
            }
            .btn {
                padding: 0.6rem 1.2rem;
                font-size: 0.85rem;
            }
            .news-card__body h3 {
                font-size: 0.93rem;
            }
            .pagination a,
            .pagination span {
                min-width: 32px;
                height: 32px;
                font-size: 0.78rem;
            }
            .faq-item__q {
                font-size: 0.88rem;
                padding: var(--space-sm) var(--space-md);
            }
            .faq-item__a {
                font-size: 0.82rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1B2A4A;
            --primary-light: #2C4270;
            --primary-dark: #0F1A2E;
            --accent: #C8963E;
            --accent-light: #E0B860;
            --accent-dark: #A07828;
            --bg: #F8F9FB;
            --bg-white: #FFFFFF;
            --bg-dark: #0F1A2E;
            --bg-dark-secondary: #161F35;
            --text: #1a1a2e;
            --text-secondary: #4A4A62;
            --text-light: #7A7A94;
            --text-white: #F0F0F5;
            --text-white-secondary: #B0B0C0;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.125rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 1.875rem;
            --font-3xl: 2.25rem;
            --font-4xl: 2.75rem;
            --max-width: 1200px;
            --nav-height: 64px;
            --info-bar-height: 38px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            letter-spacing: 0.01em;
        }

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

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

        ul {
            list-style: none;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== HEADER ========== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-md);
            width: 100%;
        }

        .info-bar {
            background: var(--primary-dark);
            color: var(--text-white-secondary);
            font-size: var(--font-xs);
            height: var(--info-bar-height);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            letter-spacing: 0.03em;
        }

        .info-bar a {
            color: var(--accent-light);
            font-weight: 500;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .info-bar a:hover {
            color: #f0c870;
        }
        .info-bar span {
            white-space: nowrap;
        }
        .info-bar .info-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.25);
            flex-shrink: 0;
        }

        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 20px;
        }

        .logo {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            transition: color var(--transition-base);
        }
        .logo:hover {
            color: var(--accent-dark);
        }
        .logo i {
            color: var(--accent);
            font-size: 1.4em;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }
        .nav__link:hover {
            color: var(--primary);
            background: rgba(27, 42, 74, 0.05);
        }
        .nav__link.active {
            color: var(--accent-dark);
            background: rgba(200, 150, 62, 0.10);
            font-weight: 600;
        }
        .nav__link.nav-cta {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 9px 20px;
            margin-left: 8px;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.30);
        }
        .nav__link.nav-cta:hover {
            background: var(--accent-dark);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.40);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav__link.nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(200, 150, 62, 0.30);
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-nav-overlay {
            display: none;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background: var(--primary-dark);
        }
        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }
        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 26, 46, 0.55) 0%, rgba(15, 26, 46, 0.82) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 24px;
            max-width: 800px;
        }
        .page-banner .banner-breadcrumb {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .page-banner .banner-breadcrumb a {
            color: var(--accent-light);
            transition: color var(--transition-fast);
        }
        .page-banner .banner-breadcrumb a:hover {
            color: #f0c870;
        }
        .page-banner .banner-title {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .page-banner .banner-subtitle {
            font-size: var(--font-md);
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== MAIN CONTENT ========== */
        main {
            flex: 1;
        }

        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-gray {
            background: #f2f4f8;
        }

        .section__header {
            text-align: center;
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .section__header h2 {
            font-size: var(--font-3xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .section-dark .section__header h2 {
            color: #ffffff;
        }
        .section__header p {
            font-size: var(--font-md);
            color: var(--text-light);
            line-height: 1.7;
        }
        .section-dark .section__header p {
            color: var(--text-white-secondary);
        }
        .section__header .accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin-bottom: 16px;
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .card-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card-grid--2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card__icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card__icon--blue {
            background: #e8f0fa;
            color: #2C5F8A;
        }
        .card__icon--gold {
            background: #fdf3e0;
            color: #C8963E;
        }
        .card__icon--purple {
            background: #f0e8fa;
            color: #6B3FA0;
        }
        .card__icon--green {
            background: #e6f5ee;
            color: #2D7A52;
        }
        .card__icon--red {
            background: #fde8e8;
            color: #B84040;
        }
        .card h3 {
            font-size: var(--font-lg);
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
            letter-spacing: 0.02em;
        }
        .card p {
            font-size: var(--font-sm);
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }

        /* 图片卡片 */
        .card-image {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-image:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-image__img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8ecf2;
        }
        .card-image__img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-image:hover .card-image__img-wrap img {
            transform: scale(1.06);
        }
        .card-image__body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-image__body h3 {
            font-size: var(--font-md);
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
            letter-spacing: 0.02em;
        }
        .card-image__body p {
            font-size: var(--font-sm);
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }
        .card-image__tag {
            display: inline-block;
            font-size: var(--font-xs);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent-dark);
            font-weight: 600;
            margin-bottom: 10px;
            align-self: flex-start;
            letter-spacing: 0.03em;
        }

        /* ========== STATS BAR ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            text-align: center;
        }
        .stats-row .stat-item {
            flex: 1;
            min-width: 160px;
            max-width: 220px;
        }
        .stats-row .stat-number {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: var(--accent-light);
            letter-spacing: 0.02em;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stats-row .stat-label {
            font-size: var(--font-sm);
            color: var(--text-white-secondary);
            letter-spacing: 0.04em;
        }
        .stats-row .stat-suffix {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--accent-light);
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(3px);
        }
        .news-item__date {
            flex-shrink: 0;
            width: 64px;
            text-align: center;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 6px;
            font-weight: 600;
            line-height: 1.2;
        }
        .news-item__date .day {
            font-size: var(--font-2xl);
            display: block;
            font-weight: 800;
        }
        .news-item__date .month {
            font-size: var(--font-xs);
            display: block;
            letter-spacing: 0.06em;
        }
        .news-item__body {
            flex: 1;
            min-width: 0;
        }
        .news-item__body h4 {
            font-size: var(--font-base);
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text);
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-item__body h4 {
            color: var(--accent-dark);
        }
        .news-item__body p {
            font-size: var(--font-sm);
            color: var(--text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item__arrow {
            flex-shrink: 0;
            color: var(--text-light);
            font-size: var(--font-lg);
            align-self: center;
            transition: all var(--transition-base);
        }
        .news-item:hover .news-item__arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        /* ========== FEATURE BLOCK ========== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block__image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }
        .feature-block__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-block__text h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.03em;
        }
        .feature-block__text p {
            font-size: var(--font-base);
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .feature-list li i {
            color: var(--accent);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: #d0d5e0;
        }
        .faq-item__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: none;
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            text-align: left;
            letter-spacing: 0.02em;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-item__question:hover {
            color: var(--accent-dark);
        }
        .faq-item__question i {
            color: var(--text-light);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-item__question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-item__answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ========== CTA ========== */
        .cta-block {
            text-align: center;
            padding: 56px 24px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: var(--font-3xl);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            font-size: var(--font-md);
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-size: var(--font-base);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.40);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.50);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn--sm {
            padding: 8px 18px;
            font-size: var(--font-sm);
        }
        .cta-block .btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--bg-dark);
            color: var(--text-white-secondary);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__brand {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .footer p {
            font-size: var(--font-sm);
            line-height: 1.7;
            color: var(--text-white-secondary);
        }
        .footer h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer ul li a {
            font-size: var(--font-sm);
            color: var(--text-white-secondary);
            transition: color var(--transition-fast);
        }
        .footer ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.03em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .card-grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid--3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner .banner-title {
                font-size: var(--font-3xl);
            }
            .section__header h2 {
                font-size: var(--font-2xl);
            }
            .stats-row {
                gap: 20px;
            }
            .stats-row .stat-number {
                font-size: var(--font-3xl);
            }
        }

        @media (max-width: 768px) {
            .info-bar {
                font-size: 0.7rem;
                gap: 10px;
                padding: 0 8px;
                overflow-x: auto;
                white-space: nowrap;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
            }
            .info-bar .info-divider {
                display: none;
            }
            .info-bar span,
            .info-bar a {
                flex-shrink: 0;
            }

            .nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--bg-white);
                flex-direction: column;
                padding: 80px 24px 40px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                z-index: 999;
                overflow-y: auto;
            }
            .nav.open {
                right: 0;
            }
            .nav__link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: var(--font-base);
            }
            .nav__link.nav-cta {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav-overlay {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 998;
                opacity: 0;
                pointer-events: none;
                transition: opacity var(--transition-slow);
            }
            .mobile-nav-overlay.show {
                opacity: 1;
                pointer-events: auto;
            }

            .card-grid--4,
            .card-grid--3,
            .card-grid--2 {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }
            .stats-row .stat-item {
                max-width: 100%;
            }
            .feature-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-banner {
                min-height: 280px;
            }
            .page-banner .banner-title {
                font-size: var(--font-2xl);
            }
            .page-banner .banner-subtitle {
                font-size: var(--font-sm);
            }
            .section {
                padding: 40px 0;
            }
            .section__header h2 {
                font-size: var(--font-xl);
            }
            .section__header {
                margin-bottom: 28px;
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
            .news-item__date {
                width: auto;
                display: inline-flex;
                gap: 4px;
                padding: 6px 12px;
                font-size: var(--font-sm);
            }
            .news-item__date .day {
                font-size: var(--font-base);
                display: inline;
            }
            .news-item__date .month {
                font-size: var(--font-xs);
                display: inline;
            }
            .news-item__arrow {
                display: none;
            }
            .cta-block {
                padding: 36px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-block h2 {
                font-size: var(--font-xl);
            }
            .btn {
                padding: 11px 22px;
                font-size: var(--font-sm);
            }
        }

        @media (max-width: 520px) {
            .nav-bar {
                padding: 0 14px;
                gap: 10px;
            }
            .logo {
                font-size: var(--font-lg);
            }
            .container {
                padding: 0 14px;
            }
            .page-banner {
                min-height: 240px;
            }
            .page-banner .banner-title {
                font-size: var(--font-xl);
            }
            .page-banner .banner-content {
                padding: 40px 14px;
            }
            .section {
                padding: 32px 0;
            }
            .section__header h2 {
                font-size: var(--font-lg);
            }
            .stats-row .stat-number {
                font-size: var(--font-2xl);
            }
            .card {
                padding: 20px 16px;
            }
            .cta-block .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #c8a45a;
            --accent-light: #dfc07e;
            --accent-dark: #a07d3a;
            --accent-glow: rgba(200, 164, 90, 0.25);
            --surface: #ffffff;
            --surface-alt: #f8f6f2;
            --surface-dark: #1a1a2e;
            --surface-card: #ffffff;
            --text: #1a1a2e;
            --text-secondary: #5a5a6e;
            --text-muted: #8a8a9a;
            --text-light: #b0b0bc;
            --text-on-dark: #f0ece6;
            --text-on-accent: #1a1a2e;
            --border: #e5e0d8;
            --border-light: #f0ece6;
            --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.06), 0 1px 2px rgba(26, 26, 46, 0.04);
            --shadow: 0 4px 16px rgba(26, 26, 46, 0.08), 0 2px 6px rgba(26, 26, 46, 0.04);
            --shadow-md: 0 8px 32px rgba(26, 26, 46, 0.10), 0 4px 10px rgba(26, 26, 46, 0.05);
            --shadow-lg: 0 16px 48px rgba(26, 26, 46, 0.14), 0 8px 20px rgba(26, 26, 46, 0.06);
            --shadow-xl: 0 24px 64px rgba(26, 26, 46, 0.18), 0 12px 28px rgba(26, 26, 46, 0.08);
            --shadow-accent: 0 8px 32px rgba(200, 164, 90, 0.2), 0 4px 12px rgba(200, 164, 90, 0.1);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --radius-full: 50%;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'Noto Sans SC', 'Inter', sans-serif;
            --container-max: 1240px;
            --container-narrow: 960px;
            --header-height: 72px;
            --topbar-height: 38px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing: 24px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --section-gap: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--surface);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: -0.01em;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

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

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing);
        }

        .container--narrow {
            max-width: var(--container-narrow);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Top bar */
        .topbar {
            background: var(--primary);
            color: var(--text-light);
            font-size: 13px;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
            letter-spacing: 0.01em;
        }
        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .topbar__left {
            display: flex;
            align-items: center;
            gap: var(--spacing);
        }
        .topbar__left span {
            color: var(--text-light);
        }
        .topbar__left i {
            color: var(--accent);
            margin-right: 4px;
            font-size: 11px;
        }
        .topbar__right {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .topbar__right a {
            color: var(--text-light);
            transition: color var(--transition);
            font-size: 13px;
        }
        .topbar__right a:hover {
            color: var(--accent-light);
        }
        .topbar__right .topbar-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 1px;
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: -0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header__logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }
        .header__logo:hover {
            color: var(--primary);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 15px;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
            letter-spacing: -0.01em;
        }
        .nav__link:hover {
            color: var(--primary);
            background: var(--surface-alt);
        }
        .nav__link.active {
            color: var(--accent-dark);
            background: var(--accent-glow);
            font-weight: 600;
        }
        .nav__link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--accent) !important;
            color: var(--text-on-accent) !important;
            font-weight: 600 !important;
            padding: 8px 20px !important;
            border-radius: 24px !important;
            transition: all var(--transition) !important;
            box-shadow: 0 2px 8px rgba(200, 164, 90, 0.25);
        }
        .nav-cta:hover {
            background: var(--accent-dark) !important;
            color: #ffffff !important;
            box-shadow: 0 4px 16px rgba(200, 164, 90, 0.4) !important;
            transform: translateY(-1px);
        }
        .nav-cta.active {
            background: var(--accent-dark) !important;
            color: #ffffff !important;
        }
        .nav-cta.active::after {
            display: none;
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 22px;
            color: var(--text);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .mobile-menu-btn:hover {
            background: var(--surface-alt);
            color: var(--accent-dark);
        }

        /* Page banner */
        .page-banner {
            position: relative;
            padding: 70px 0;
            background: var(--primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(22, 33, 62, 0.82) 40%, rgba(26, 26, 46, 0.75) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--surface) 0%, transparent 100%);
            z-index: 2;
        }
        .page-banner .container {
            position: relative;
            z-index: 3;
        }
        .page-banner__breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--accent-light);
            margin-bottom: var(--spacing);
            flex-wrap: wrap;
        }
        .page-banner__breadcrumb a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .page-banner__breadcrumb a:hover {
            color: var(--accent-light);
        }
        .page-banner__breadcrumb .separator {
            color: rgba(255, 255, 255, 0.35);
            font-size: 11px;
        }
        .page-banner__breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }
        .page-banner__title {
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -0.03em;
            margin-bottom: 14px;
            line-height: 1.2;
        }
        .page-banner__title .accent {
            color: var(--accent);
        }
        .page-banner__desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.7;
            letter-spacing: -0.005em;
        }
        .page-banner__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 164, 90, 0.2);
            border: 1px solid rgba(200, 164, 90, 0.35);
            color: var(--accent-light);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: var(--spacing);
            letter-spacing: 0.02em;
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }
        .section--alt {
            background: var(--surface-alt);
        }
        .section--dark {
            background: var(--surface-dark);
            color: var(--text-on-dark);
        }
        .section--compact {
            padding: 48px 0;
        }
        .section__header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-dark);
            background: var(--accent-glow);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
        }
        .section__title {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.03em;
            margin-bottom: 10px;
        }
        .section--dark .section__title {
            color: #ffffff;
        }
        .section__subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section--dark .section__subtitle {
            color: var(--text-light);
        }

        /* Tier cards */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing);
        }
        .tier-card {
            background: var(--surface-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md) var(--spacing);
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .tier-card--highlight {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-accent);
            background: linear-gradient(180deg, #fffef9 0%, #ffffff 100%);
            transform: scale(1.03);
            z-index: 2;
        }
        .tier-card--highlight:hover {
            transform: scale(1.03) translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .tier-card__badge {
            display: inline-block;
            background: var(--accent);
            color: var(--text-on-accent);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 12px;
            letter-spacing: 0.05em;
            margin-bottom: var(--spacing-sm);
        }
        .tier-card__icon {
            width: 60px;
            height: 60px;
            margin: 0 auto var(--spacing-sm);
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            font-weight: 700;
        }
        .tier-card__icon--bronze {
            background: linear-gradient(135deg, #f5e6d3, #e8d5b7);
            color: #8b6914;
        }
        .tier-card__icon--silver {
            background: linear-gradient(135deg, #e8e8e8, #c0c0c0);
            color: #5a5a5a;
        }
        .tier-card__icon--gold {
            background: linear-gradient(135deg, #f9e4a0, #e0b840);
            color: #6b4c12;
            box-shadow: 0 4px 16px rgba(200, 164, 90, 0.35);
        }
        .tier-card__icon--diamond {
            background: linear-gradient(135deg, #d4e6ff, #8ab8f0);
            color: #1a3a6e;
            box-shadow: 0 4px 16px rgba(100, 160, 220, 0.35);
        }
        .tier-card__name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        .tier-card__threshold {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
        }
        .tier-card__features {
            text-align: left;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .tier-card__features li {
            padding: 3px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .tier-card__features li i {
            color: var(--accent-dark);
            font-size: 12px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .tier-card__features li.disabled {
            color: var(--text-muted);
            opacity: 0.55;
        }
        .tier-card__features li.disabled i {
            color: #ccc;
        }

        /* Benefits */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }
        .benefit-card {
            background: var(--surface-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            border: 1px solid var(--border);
            display: flex;
            gap: var(--spacing);
            align-items: flex-start;
            transition: all var(--transition);
        }
        .benefit-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .benefit-card__icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .benefit-card__icon--a {
            background: #fdf2e0;
            color: #c8963e;
        }
        .benefit-card__icon--b {
            background: #e8f0fe;
            color: #3a6fcf;
        }
        .benefit-card__icon--c {
            background: #e6f5ec;
            color: #2d8a4e;
        }
        .benefit-card__icon--d {
            background: #fde8ec;
            color: #c94a5e;
        }
        .benefit-card__icon--e {
            background: #f3e8fd;
            color: #7b3fc4;
        }
        .benefit-card__icon--f {
            background: #e6f7f5;
            color: #1a7a6e;
        }
        .benefit-card__body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            letter-spacing: -0.01em;
        }
        .benefit-card__body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Points */
        .points-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .points-showcase__image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .points-showcase__image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            border-radius: var(--radius-lg);
        }
        .points-showcase__content h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.03em;
        }
        .points-showcase__content p {
            color: var(--text-secondary);
            margin-bottom: var(--spacing);
            line-height: 1.7;
        }
        .points-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
            margin-top: var(--spacing);
        }
        .points-stat {
            text-align: center;
            background: var(--surface-alt);
            border-radius: var(--radius);
            padding: var(--spacing);
            transition: all var(--transition);
        }
        .points-stat:hover {
            background: var(--accent-glow);
            transform: translateY(-2px);
        }
        .points-stat__number {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent-dark);
            letter-spacing: -0.02em;
        }
        .points-stat__label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Event cards */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }
        .event-card {
            background: var(--surface-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .event-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-4px);
        }
        .event-card__thumb {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .event-card__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .event-card:hover .event-card__thumb img {
            transform: scale(1.06);
        }
        .event-card__tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--text-on-accent);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.03em;
        }
        .event-card__body {
            padding: var(--spacing);
        }
        .event-card__body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .event-card__body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .event-card__meta {
            display: flex;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 10px;
        }
        .event-card__meta i {
            color: var(--accent-dark);
            margin-right: 3px;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing);
        }
        .testimonial-card {
            background: var(--surface-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 64px;
            color: var(--accent);
            opacity: 0.25;
            font-family: Georgia, serif;
            line-height: 1;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .testimonial-card__text {
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        .testimonial-card__author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card__avatar {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background: var(--surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--accent-dark);
            font-size: 16px;
            flex-shrink: 0;
        }
        .testimonial-card__author strong {
            font-size: 14px;
            font-weight: 600;
            display: block;
        }
        .testimonial-card__author span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* CTA section */
        .cta-section {
            position: relative;
            padding: var(--spacing-2xl) 0;
            background: var(--primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.85) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -0.03em;
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 550px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: 28px;
            transition: all var(--transition);
            letter-spacing: -0.01em;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn--accent {
            background: var(--accent);
            color: var(--text-on-accent);
            box-shadow: 0 6px 24px rgba(200, 164, 90, 0.35);
        }
        .btn--accent:hover {
            background: var(--accent-dark);
            color: #ffffff;
            box-shadow: 0 10px 32px rgba(200, 164, 90, 0.5);
            transform: translateY(-2px);
        }
        .btn--outline-light {
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
            background: transparent;
        }
        .btn--outline-light:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .btn--lg {
            padding: 16px 40px;
            font-size: 16px;
            border-radius: 30px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--surface-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-item__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            text-align: left;
            letter-spacing: -0.01em;
            transition: color var(--transition);
            cursor: pointer;
        }
        .faq-item__question:hover {
            color: var(--accent-dark);
        }
        .faq-item__question i {
            font-size: 13px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-item__question i {
            transform: rotate(180deg);
            color: var(--accent-dark);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-item__answer {
            max-height: 500px;
            padding: 0 20px 20px;
        }
        .faq-item__answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Footer */
        .footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer__brand {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
            color: #ffffff;
        }
        .footer p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }
        .footer ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer ul li a {
            font-size: 14px;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .footer ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing);
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 60px;
                --spacing-xl: 48px;
                --spacing-2xl: 60px;
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-card--highlight {
                transform: scale(1);
            }
            .tier-card--highlight:hover {
                transform: scale(1) translateY(-4px);
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .points-showcase {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner {
                min-height: 280px;
                padding: 50px 0;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-gap: 48px;
                --spacing-xl: 36px;
                --spacing-2xl: 48px;
                --spacing-lg: 32px;
            }
            .topbar {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: var(--spacing);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
                z-index: 999;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }
            .nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav__link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }
            .nav-cta {
                text-align: center;
                justify-content: center;
                border-radius: 24px !important;
                margin-top: 4px;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .tier-card {
                padding: var(--spacing-sm);
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .event-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .points-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .points-stat {
                padding: 12px 8px;
            }
            .points-stat__number {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing);
            }
            .page-banner {
                min-height: 240px;
                padding: 40px 0;
            }
            .page-banner__title {
                font-size: 26px;
            }
            .section__title {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-gap: 40px;
                --spacing-xl: 28px;
                --spacing-2xl: 40px;
                --spacing-lg: 24px;
            }
            .header__logo {
                font-size: 18px;
                gap: 6px;
            }
            .header__logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .points-stats {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 6px;
            }
            .points-stat__number {
                font-size: 20px;
            }
            .points-stat__label {
                font-size: 11px;
            }
            .btn--lg {
                padding: 14px 28px;
                font-size: 14px;
            }
            .page-banner {
                min-height: 200px;
                padding: 32px 0;
            }
            .page-banner__title {
                font-size: 22px;
            }
            .page-banner__desc {
                font-size: 14px;
            }
            .benefit-card {
                flex-direction: column;
                gap: 12px;
            }
            .testimonial-card {
                padding: var(--spacing);
            }
        }