/* roulang page: index */
:root {
            --color-primary: #0f0f1a;
            --color-primary-light: #1a1a30;
            --color-accent: #c9a050;
            --color-accent-light: #e0c878;
            --color-accent-glow: #f0d890;
            --color-bg: #fafaf7;
            --color-bg-warm: #f5f1ea;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-text: #1c1c26;
            --color-text-secondary: #5a5a66;
            --color-text-light: #8a8a94;
            --color-text-on-dark: #e8e8ee;
            --color-text-on-dark-secondary: #b0b0ba;
            --color-border: #e2ded6;
            --color-border-light: #f0ede6;
            --color-success: #2eaa6e;
            --color-warning: #e8a840;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.13);
            --shadow-gold: 0 4px 20px rgba(201, 160, 80, 0.20);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.55rem;
            letter-spacing: 0.02em;
            color: #ffffff;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-accent-light);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-xs);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #0f0f1a;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            height: 100%;
        }
        .nav-list li {
            height: 100%;
            display: flex;
            align-items: center;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            height: 100%;
            padding: 0 18px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-on-dark-secondary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px 3px 0 0;
            transform: scaleX(0);
            transition: transform var(--transition);
            transform-origin: center;
        }
        .nav-list a:hover {
            color: #ffffff;
        }
        .nav-list a:hover::after {
            transform: scaleX(0.6);
        }
        .nav-list a.active {
            color: #ffffff;
            font-weight: 600;
        }
        .nav-list a.active::after {
            transform: scaleX(1);
            background: var(--color-accent-light);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #0f0f1a !important;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(201, 160, 80, 0.35);
            color: #0f0f1a !important;
        }
        .nav-cta::after {
            display: none !important;
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .mobile-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-list {
                gap: 0;
            }
            .nav-list a {
                padding: 0 12px;
                font-size: 0.88rem;
            }
            .nav-list a::after {
                left: 12px;
                right: 12px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 90px 24px 40px;
                gap: 4px;
                transition: right var(--transition-slow);
                z-index: 1000;
                overflow-y: auto;
            }
            .nav-list.open {
                right: 0;
            }
            .nav-list li {
                height: auto;
            }
            .nav-list a {
                padding: 14px 16px;
                font-size: 1rem;
                height: auto;
                border-radius: var(--radius-sm);
                color: var(--color-text-on-dark-secondary);
            }
            .nav-list a::after {
                display: none;
            }
            .nav-list a.active {
                background: rgba(255, 255, 255, 0.08);
                color: #ffffff;
            }
            .nav-list a:hover {
                background: rgba(255, 255, 255, 0.05);
                color: #ffffff;
            }
            .nav-cta {
                display: inline-flex;
                justify-content: center;
                margin-top: 8px;
                border-radius: 50px;
                text-align: center;
            }
            .header-inner {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .nav-list {
                width: 100%;
                right: -100%;
            }
            .logo-link {
                font-size: 1.3rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
            filter: brightness(0.6) saturate(0.8);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 15, 26, 0.55) 0%,
                    rgba(15, 15, 26, 0.78) 40%,
                    rgba(15, 15, 26, 0.92) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 64px;
            color: #ffffff;
        }
        .hero-badge {
            display: inline-block;
            padding: 7px 18px;
            border-radius: 50px;
            background: rgba(201, 160, 80, 0.18);
            border: 1px solid rgba(201, 160, 80, 0.35);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--color-accent-light);
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: #ffffff;
            margin-bottom: 18px;
            line-height: 1.15;
        }
        .hero h1 .accent {
            color: var(--color-accent-light);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--color-text-on-dark-secondary);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .hero-desc-long {
            font-size: 0.95rem;
            color: rgba(200, 200, 210, 0.75);
            max-width: 680px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #0f0f1a;
            box-shadow: var(--shadow-gold);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(201, 160, 80, 0.40);
            color: #0f0f1a;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
        }
        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 0.85rem;
            border-radius: 50px;
        }
        .btn-text {
            padding: 8px 4px;
            font-weight: 600;
            color: var(--color-accent);
            gap: 5px;
            font-size: 0.9rem;
            border-radius: 0;
            background: none;
            border: none;
        }
        .btn-text:hover {
            color: var(--color-accent-light);
            gap: 9px;
        }
        .btn-text i {
            transition: transform var(--transition-fast);
        }
        .btn-text:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 500px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-desc-long {
                font-size: 0.88rem;
                max-width: 100%;
            }
            .hero-content {
                padding: 56px 0 40px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
        }
        @media (max-width: 520px) {
            .hero {
                min-height: 440px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-desc-long {
                font-size: 0.82rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
            z-index: 3;
            margin-top: -1px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            padding: 28px 0;
        }
        .stat-item {
            text-align: center;
            padding: 10px 20px;
            border-right: 1px solid var(--color-border-light);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .stat-number .gold {
            color: var(--color-accent);
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0;
                padding: 20px 0;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--color-border-light);
                padding: 14px 12px;
            }
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-bottom: none;
            }
            .stat-item:nth-child(odd) {
                border-right: 1px solid var(--color-border-light);
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-warm {
            background: var(--color-bg-warm);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            color: var(--color-primary);
        }
        .section-dark .section-title {
            color: #ffffff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }
        .section-dark .section-subtitle {
            color: var(--color-text-on-dark-secondary);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.gold {
            background: linear-gradient(135deg, rgba(201, 160, 80, 0.15), rgba(201, 160, 80, 0.25));
            color: var(--color-accent);
        }
        .card-icon.blue {
            background: linear-gradient(135deg, rgba(30, 60, 140, 0.12), rgba(40, 80, 180, 0.20));
            color: #3a6fd8;
        }
        .card-icon.teal {
            background: linear-gradient(135deg, rgba(20, 140, 120, 0.12), rgba(30, 160, 140, 0.20));
            color: #2a9d8f;
        }
        .card-icon.purple {
            background: linear-gradient(135deg, rgba(100, 50, 160, 0.12), rgba(120, 60, 180, 0.20));
            color: #7c4dcc;
        }
        .card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            flex-grow: 1;
        }
        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 10;
            flex-shrink: 0;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(201, 160, 80, 0.12);
            color: var(--color-accent);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        /* ========== GRID LAYOUTS ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }

        /* ========== BRAND STORY ========== */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            box-shadow: var(--shadow-lg);
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-text h2 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .story-text p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .story-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .story-text h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== PARTNERS ========== */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 32px 40px;
        }
        .partner-item {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-light);
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .partner-item:hover {
            color: var(--color-accent);
        }
        .section-dark .partner-item {
            color: var(--color-text-on-dark-secondary);
        }
        .section-dark .partner-item:hover {
            color: var(--color-accent-light);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .testimonial-text {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card-image {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card-image img {
            transform: scale(1.05);
        }
        .news-card-body {
            padding: 18px 20px 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }
        .news-card h3 {
            font-size: 1rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex-grow: 1;
            margin-bottom: 12px;
        }
        @media (max-width: 1024px) {
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .news-list {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 20px 0;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--color-primary);
            transition: color var(--transition-fast);
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            font-family: inherit;
            padding: 0;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            transition: transform var(--transition);
            font-size: 0.85rem;
            flex-shrink: 0;
            color: var(--color-text-light);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding-top var(--transition);
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 12px;
        }
        .section-dark .faq-item {
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .faq-question {
            color: #ffffff;
        }
        .section-dark .faq-answer {
            color: var(--color-text-on-dark-secondary);
        }
        .section-dark .faq-question i {
            color: var(--color-text-on-dark-secondary);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-bg-dark) 0%, #1a1a30 60%, #1f1f38 100%);
            color: #ffffff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 160, 80, 0.06);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #ffffff;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--color-text-on-dark-secondary);
            max-width: 500px;
            margin: 0 auto 24px;
            font-size: 1rem;
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark-secondary);
            padding: 48px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: #ffffff;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            max-width: 260px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            font-size: 0.85rem;
            color: var(--color-text-on-dark-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(180, 180, 195, 0.7);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand-col {
                grid-column: 1 / -1;
            }
            .footer-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-brand-col {
                grid-column: auto;
            }
        }

        /* ========== UTILITIES ========== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .highlight-gold {
            color: var(--color-accent);
            font-weight: 700;
        }

/* roulang page: category4 */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #e94560;
            --accent-hover: #d13651;
            --accent-glow: rgba(233, 69, 96, 0.25);
            --gold: #f0c040;
            --gold-light: #f9e28c;
            --bg: #f8f9fb;
            --bg-white: #ffffff;
            --bg-dark: #0f0f1a;
            --bg-card: #ffffff;
            --text: #1e1e2f;
            --text-secondary: #5a5a72;
            --text-muted: #8888a0;
            --text-light: #b0b0c0;
            --border: #e8e8f0;
            --border-light: #f0f0f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.14);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

        ul {
            list-style: none;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .logo-section {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 1px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(26, 26, 46, 0.25);
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            line-height: 1;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 28px;
        }

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

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-list li a:hover {
            color: var(--primary);
            background: rgba(26, 26, 46, 0.05);
        }

        .nav-list li a.active {
            color: var(--accent);
            background: var(--accent-glow);
            font-weight: 600;
        }

        .nav-cta {
            background: var(--accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 10px 20px !important;
            border-radius: 24px !important;
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.35);
            transition: all var(--transition) !important;
        }

        .nav-cta:hover {
            background: var(--accent-hover) !important;
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.45) !important;
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: var(--border-light);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1a2740 100%);
            padding: 60px 0 56px;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .banner-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ade80;
            animation: pulse-dot 2s ease-in-out infinite;
        }

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

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .page-banner .banner-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.6;
        }

        /* Main Content Area */
        .main-content {
            flex: 1;
            padding: 40px 0 60px;
        }

        .content-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        /* Filter Tags */
        .filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
        }

        .filter-label {
            font-weight: 600;
            font-size: 14px;
            color: var(--text);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            background: var(--bg-white);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(233, 69, 96, 0.04);
        }

        .filter-tag.active-tag {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(233, 69, 96, 0.3);
        }

        /* News Cards */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-card {
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d0d0e0;
        }

        .news-card-image {
            position: relative;
            overflow: hidden;
            min-height: 180px;
            background: #e8e8f0;
            flex-shrink: 0;
        }

        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .news-card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            z-index: 2;
        }

        .news-card-body {
            padding: 20px 20px 20px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .news-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-card-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            transition: color var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card:hover .news-card-title {
            color: var(--accent);
        }

        .news-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            margin-top: 4px;
            transition: gap var(--transition);
        }

        .news-card .read-more-link:hover {
            gap: 10px;
        }

        /* Featured Card - Full Width */
        .news-card.featured {
            grid-template-columns: 1fr;
            grid-template-rows: auto auto;
        }

        .news-card.featured .news-card-image {
            min-height: 300px;
            max-height: 360px;
        }

        .news-card.featured .news-card-body {
            padding: 24px;
        }

        .news-card.featured .news-card-title {
            font-size: 22px;
            -webkit-line-clamp: 2;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h3 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--accent);
            font-size: 14px;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hot-list-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .hot-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-list-item:hover {
            transform: translateX(3px);
        }

        .hot-rank {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .hot-list-item:nth-child(1) .hot-rank {
            background: var(--accent);
            color: #fff;
        }
        .hot-list-item:nth-child(2) .hot-rank {
            background: #f59e0b;
            color: #fff;
        }
        .hot-list-item:nth-child(3) .hot-rank {
            background: #3b82f6;
            color: #fff;
        }

        .hot-info {
            flex: 1;
            min-width: 0;
        }

        .hot-info .hot-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }

        .hot-list-item:hover .hot-title {
            color: var(--accent);
        }

        .hot-info .hot-views {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .cloud-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }

        .cloud-tag:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 2px 8px rgba(233, 69, 96, 0.3);
        }

        /* Load More */
        .load-more-section {
            text-align: center;
            margin-top: 40px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            background: var(--bg-white);
            border: 2px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-load-more:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        /* Subscribe CTA */
        .subscribe-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            margin-top: 48px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .subscribe-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            z-index: 0;
        }

        .subscribe-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            z-index: 0;
        }

        .subscribe-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .subscribe-text h2 {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .subscribe-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            max-width: 400px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .subscribe-form input {
            padding: 13px 20px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            width: 280px;
            outline: none;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .subscribe-form input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.06);
        }

        .subscribe-form button {
            padding: 13px 28px;
            border-radius: 28px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.4);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 22px rgba(233, 69, 96, 0.5);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #c0c0d0;
            padding: 56px 0 28px;
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #9090a8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 600;
            color: #e0e0ec;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #9090a8;
            transition: all var(--transition);
            position: relative;
            padding-left: 0;
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            text-align: center;
            font-size: 13px;
            color: #707088;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .sidebar {
                position: static;
                top: auto;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .sidebar-card {
                flex: 1 1 260px;
                min-width: 240px;
            }
            .news-card {
                grid-template-columns: 200px 1fr;
                gap: 16px;
            }
            .news-card-image {
                min-height: 150px;
            }
            .news-card.featured .news-card-image {
                min-height: 240px;
                max-height: 280px;
            }
            .subscribe-inner {
                flex-direction: column;
                text-align: center;
                gap: 24px;
            }
            .subscribe-text p {
                max-width: 100%;
            }
            .subscribe-form {
                width: 100%;
                justify-content: center;
            }
            .subscribe-form input {
                width: 100%;
                max-width: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand-col {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                gap: 12px;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner {
                padding: 40px 0 36px;
            }
            .news-card {
                grid-template-columns: 1fr;
            }
            .news-card-image {
                min-height: 200px;
                max-height: 240px;
            }
            .news-card-body {
                padding: 16px 20px 20px;
            }
            .news-card.featured .news-card-image {
                min-height: 200px;
            }
            .news-card.featured .news-card-title {
                font-size: 18px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 12px;
            }
            .sidebar {
                flex-direction: column;
            }
            .sidebar-card {
                flex: auto;
                min-width: auto;
            }
            .subscribe-section {
                padding: 28px 24px;
            }
            .subscribe-text h2 {
                font-size: 22px;
            }
            .subscribe-form {
                flex-direction: column;
                width: 100%;
            }
            .subscribe-form input {
                width: 100%;
                max-width: 100%;
            }
            .subscribe-form button {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand-col {
                grid-column: auto;
            }
            .content-layout {
                gap: 24px;
            }
            .main-content {
                padding: 24px 0 40px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner .banner-subtitle {
                font-size: 14px;
            }
            .page-banner {
                padding: 32px 0 28px;
            }
            .news-card-image {
                min-height: 180px;
                max-height: 200px;
            }
            .news-card-title {
                font-size: 16px;
            }
            .news-card-excerpt {
                font-size: 13px;
            }
            .subscribe-text h2 {
                font-size: 20px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-accent: #c9a84c;
            --color-accent-light: #e0c878;
            --color-accent-dark: #a88a35;
            --color-gold-gradient: linear-gradient(135deg, #c9a84c 0%, #e0c878 30%, #f0d890 50%, #c9a84c 70%, #a88a35 100%);
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f3ed;
            --color-bg-dark: #1a1a2e;
            --color-bg-card: #ffffff;
            --color-text: #2c2c3a;
            --color-text-weak: #6b6b7b;
            --color-text-light: #9a9aad;
            --color-text-on-dark: #e8e8f0;
            --color-border: #e2e0d8;
            --color-border-light: #f0efe8;
            --color-success: #2d8c5e;
            --color-danger: #c94a3c;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --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 8px 30px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-gold: 0 8px 32px rgba(201, 168, 76, 0.25), 0 4px 12px rgba(201, 168, 76, 0.12);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1200px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::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(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
        }
        h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: clamp(1.15rem, 2vw, 1.35rem);
        }
        p {
            color: var(--color-text-weak);
        }

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

        .section-padding {
            padding: var(--section-gap) 0;
        }
        .section-padding-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            background: rgba(201, 168, 76, 0.1);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-accent-dark);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1a1a2e;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-list li a:hover {
            color: var(--color-accent-dark);
            background: rgba(201, 168, 76, 0.06);
        }
        .nav-list li a.active {
            color: var(--color-accent-dark);
            background: rgba(201, 168, 76, 0.12);
            font-weight: 700;
        }
        .nav-list li a.nav-cta {
            background: var(--color-gold-gradient);
            color: #1a1a2e;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 24px;
            box-shadow: 0 2px 10px rgba(201, 168, 76, 0.3);
            gap: 6px;
            transition: all var(--transition-base);
        }
        .nav-list li a.nav-cta:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-1px);
            color: #1a1a2e;
            background: linear-gradient(135deg, #e0c878 0%, #f0d890 30%, #f8e8a8 50%, #e0c878 70%, #c9a84c 100%);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            background: var(--color-bg-alt);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(26, 26, 46, 0.75) 0%,
                    rgba(26, 26, 46, 0.82) 40%,
                    rgba(26, 26, 46, 0.9) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            padding: 60px 24px;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(201, 168, 76, 0.2);
            border: 1px solid rgba(201, 168, 76, 0.4);
            color: var(--color-accent-light);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            padding: 8px 18px;
            border-radius: 24px;
            margin-bottom: 20px;
        }
        .page-banner h1 {
            color: #ffffff;
            font-size: clamp(2.2rem, 4.5vw, 3rem);
            margin-bottom: 16px;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
        }
        .page-banner h1 .gold-text {
            background: var(--color-gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .page-banner .banner-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ========== TIER CARDS ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .tier-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            padding: 32px 24px 28px;
            text-align: center;
            border: 2px solid transparent;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-accent);
        }
        .tier-card.featured {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-gold);
            background: linear-gradient(180deg, #fffef9 0%, #ffffff 40%);
        }
        .tier-card.featured::before {
            content: '热门推荐';
            position: absolute;
            top: 14px;
            right: -30px;
            background: var(--color-gold-gradient);
            color: #1a1a2e;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 36px;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
            z-index: 1;
        }
        .tier-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 900;
            color: #ffffff;
            flex-shrink: 0;
        }
        .tier-icon.bronze {
            background: linear-gradient(135deg, #b08a6a, #d4a87c);
        }
        .tier-icon.silver {
            background: linear-gradient(135deg, #a0a8b8, #c8d0dc);
        }
        .tier-icon.gold {
            background: var(--color-gold-gradient);
            color: #1a1a2e;
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.35);
        }
        .tier-icon.diamond {
            background: linear-gradient(135deg, #5b7fbf, #8aadf4, #c0d6ff);
            box-shadow: 0 4px 20px rgba(90, 130, 200, 0.35);
        }
        .tier-card h3 {
            font-size: 1.2rem;
            margin-bottom: 4px;
        }
        .tier-card .tier-name {
            font-weight: 700;
            color: var(--color-primary);
        }
        .tier-card .tier-points {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 14px;
        }
        .tier-card .tier-benefits {
            text-align: left;
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 2;
        }
        .tier-card .tier-benefits li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--color-accent-dark);
            margin-right: 8px;
            font-size: 0.75rem;
        }
        .tier-card .tier-btn {
            display: inline-block;
            margin-top: 18px;
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            border: 2px solid var(--color-border);
            background: transparent;
            color: var(--color-text);
            cursor: pointer;
        }
        .tier-card .tier-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: rgba(201, 168, 76, 0.05);
        }
        .tier-card.featured .tier-btn {
            background: var(--color-gold-gradient);
            color: #1a1a2e;
            border: none;
            box-shadow: 0 2px 10px rgba(201, 168, 76, 0.3);
        }
        .tier-card.featured .tier-btn:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        /* ========== BENEFITS GRID ========== */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .benefit-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .benefit-card .benefit-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(201, 168, 76, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent-dark);
            flex-shrink: 0;
        }
        .benefit-card h4 {
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .benefit-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            background: var(--color-gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-top: 6px;
            font-weight: 600;
        }
        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        /* ========== EVENTS / ACTIVITIES ========== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .event-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-slow);
            border: 1px solid var(--color-border-light);
        }
        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-accent);
        }
        .event-card .event-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .event-card .event-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .event-card:hover .event-img-wrap img {
            transform: scale(1.06);
        }
        .event-card .event-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-gold-gradient);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 5px 14px;
            border-radius: 16px;
            letter-spacing: 0.04em;
            z-index: 1;
        }
        .event-card .event-body {
            padding: 20px 18px;
        }
        .event-card .event-body h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .event-card .event-body p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .event-card .event-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            gap: 16px;
        }
        .event-card .event-meta i {
            color: var(--color-accent-dark);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            text-align: left;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--color-accent-dark);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.8;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            text-align: center;
            padding: 70px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 46, 0.88);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #ffffff;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }
        .cta-btn-large {
            display: inline-block;
            background: var(--color-gold-gradient);
            color: #1a1a2e;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 14px 40px;
            border-radius: 28px;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        .cta-btn-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(201, 168, 76, 0.4);
            color: #1a1a2e;
        }
        .cta-btn-large i {
            margin-left: 8px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-on-dark);
            padding: 56px 0 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            color: #ffffff;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-padding {
                padding: 56px 0;
            }
            .section-padding-sm {
                padding: 36px 0;
            }
            .page-banner {
                min-height: 340px;
            }
        }
        @media (max-width: 768px) {
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }
            .mobile-menu-btn {
                display: block;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-banner {
                min-height: 300px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-sm {
                padding: 28px 0;
            }
            .tier-card {
                padding: 22px 16px 20px;
            }
            .tier-card .tier-benefits {
                font-size: 0.8rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 22px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-label {
                font-size: 0.78rem;
            }
            .cta-btn-large {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .benefit-card {
                flex-direction: column;
                gap: 10px;
                padding: 20px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1b1b2f;
            --color-primary-light: #252540;
            --color-accent: #e8b860;
            --color-accent-hover: #d4a43e;
            --color-live: #ff3b5c;
            --color-live-glow: rgba(255, 59, 92, 0.4);
            --color-white: #ffffff;
            --color-bg: #f8f9fb;
            --color-bg-alt: #f0f1f5;
            --color-text: #1a1a1a;
            --color-text-weak: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f0f0f3;
            --color-card: #ffffff;
            --color-card-hover: #fafbfc;
            --color-tag-bg: #fef3e0;
            --color-tag-text: #b8781e;
            --color-live-tag-bg: #ffeaea;
            --color-live-tag-text: #d63040;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 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, 0.14);
            --shadow-live: 0 0 24px rgba(255, 59, 92, 0.25);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --spacing-3xl: 96px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1240px;
            --container-narrow: 960px;
            --header-height: 70px;
        }

        *,
        *::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: 1.65;
            color: var(--color-text);
            background-color: var(--color-white);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
        }

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

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(27, 27, 47, 0.97);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            gap: var(--spacing-md);
        }

        .header-logo {
            font-family: var(--font-display);
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: 0.03em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4a03e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary);
            font-weight: 900;
        }

        .header-logo:hover {
            color: var(--color-accent);
        }

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

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.82);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }

        .nav-list li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-list li a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.14);
            font-weight: 700;
        }

        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4a03e 100%) !important;
            color: var(--color-primary) !important;
            font-weight: 700 !important;
            padding: 10px 18px !important;
            border-radius: 24px !important;
            box-shadow: 0 2px 10px rgba(232, 184, 96, 0.35);
            gap: 6px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta:hover {
            box-shadow: 0 4px 18px rgba(232, 184, 96, 0.5) !important;
            transform: translateY(-1px);
            background: linear-gradient(135deg, #f0c870 0%, #e0b050 100%) !important;
            color: var(--color-primary) !important;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            width: 40px;
            height: 32px;
            justify-content: center;
            align-items: center;
        }
        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #ffffff;
            border-radius: 3px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* Hero Section */
        .page-hero {
            position: relative;
            background: var(--color-primary);
            background-image: linear-gradient(180deg, rgba(27, 27, 47, 0.88) 0%, rgba(27, 27, 47, 0.75) 60%, rgba(27, 27, 47, 0.92) 100%), url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            text-align: center;
            color: var(--color-white);
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-live);
            color: #fff;
            padding: 8px 20px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.88rem;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            animation: pulse-badge 2s infinite;
            box-shadow: var(--shadow-live);
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 18px rgba(255, 59, 92, 0.3);
            }
            50% {
                box-shadow: 0 0 32px rgba(255, 59, 92, 0.55);
            }
        }

        .hero-badge .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ffffff;
            animation: blink-dot 0.9s infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.25;
            }
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
            line-height: 1.2;
        }

        .page-hero h1 .highlight {
            color: var(--color-accent);
        }

        .page-hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 640px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

        .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
            margin-top: var(--spacing-sm);
        }

        .hero-stat-item {
            text-align: center;
            min-width: 100px;
        }
        .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* Section Common */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-alt {
            background: var(--color-bg);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.02em;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.82rem;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
        }
        .section-tag.live-tag {
            background: var(--color-live-tag-bg);
            color: var(--color-live-tag-text);
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .feature-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.5rem;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
        }
        .feature-card .feature-icon.icon-live {
            background: linear-gradient(135deg, #ff3b5c 0%, #e62e4d 100%);
        }
        .feature-card .feature-icon.icon-gold {
            background: linear-gradient(135deg, #e8b860 0%, #c99735 100%);
        }
        .feature-card .feature-icon.icon-blue {
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
        }
        .feature-card .feature-icon.icon-purple {
            background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
        }
        .feature-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.55;
        }

        /* Live Room Cards */
        .live-rooms-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .live-room-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }
        .live-room-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .live-room-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #1b1b2f;
        }
        .live-room-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .live-room-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .live-room-card .live-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-live);
            color: #fff;
            padding: 5px 12px;
            border-radius: 16px;
            font-weight: 700;
            font-size: 0.75rem;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 5px;
            box-shadow: var(--shadow-live);
            z-index: 3;
        }
        .live-room-card .viewer-count {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
            backdrop-filter: blur(6px);
            z-index: 3;
        }
        .live-room-card .card-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
        }
        .live-room-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-primary);
            line-height: 1.3;
        }
        .live-room-card .card-body .host-name {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-bottom: 8px;
        }
        .live-room-card .card-body .tags-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .live-room-card .card-body .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--color-bg-alt);
            color: var(--color-text-weak);
        }
        .live-room-card .card-body .tag.hot {
            background: #fff0f0;
            color: #e63946;
        }

        /* Interactive Features */
        .interactive-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .interactive-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }
        .interactive-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .interactive-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            color: var(--color-primary);
        }
        .interactive-content .highlight-text {
            color: var(--color-accent);
        }
        .interactive-content p {
            color: var(--color-text-weak);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        .interactive-feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: var(--spacing-md);
        }
        .interactive-feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.45;
        }
        .interactive-feature-list li i {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
            font-size: 1rem;
        }

        /* Host Section */
        .hosts-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .host-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
            padding-bottom: var(--spacing-md);
        }
        .host-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .host-card .host-avatar {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
            background: #e5e7eb;
        }
        .host-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-top: var(--spacing-sm);
            color: var(--color-primary);
        }
        .host-card .host-role {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin-top: 2px;
        }
        .host-card .host-followers {
            font-size: 0.78rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-top: 6px;
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-md);
            text-align: center;
        }
        .stats-bar .stat-block {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stats-bar .stat-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stats-bar .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 4px;
        }
        .stats-bar .stat-value.accent {
            color: var(--color-accent);
        }
        .stats-bar .stat-value.live-color {
            color: var(--color-live);
        }
        .stats-bar .stat-name {
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(27, 27, 47, 0.94) 0%, rgba(37, 37, 64, 0.9) 100%), url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding: var(--spacing-2xl) 0;
            text-align: center;
            color: #fff;
            border-radius: 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.6;
            font-size: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(232, 184, 96, 0.4);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(232, 184, 96, 0.55);
            transform: translateY(-2px);
            color: var(--color-primary);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 1.08rem;
            border-radius: 30px;
        }
        .btn-group {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            padding: var(--spacing-md);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            color: var(--color-primary);
            outline: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            user-select: none;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--color-text-weak);
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--color-text-weak);
            line-height: 1.7;
            font-size: 0.93rem;
        }

        /* Footer */
        .site-footer {
            background: #14141f;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-2xl) 0 var(--spacing-md);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-rooms-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hosts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(3, 1fr);
            }
            .interactive-row {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .interactive-image {
                order: -1;
                max-height: 360px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .hero-stats-row {
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(27, 27, 47, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 90px var(--spacing-md) var(--spacing-lg);
                gap: 4px;
                transition: right var(--transition-base);
                z-index: 1000;
                align-items: stretch;
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.4);
            }
            .nav-list.open {
                right: 0;
            }
            .nav-list li a {
                padding: 12px 16px;
                border-radius: 12px;
                font-size: 0.95rem;
                justify-content: flex-start;
            }
            .nav-cta {
                justify-content: center !important;
                margin-top: 8px;
            }
            .nav-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.55);
                z-index: 999;
            }
            .nav-overlay.show {
                display: block;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .live-rooms-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .hosts-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .page-hero {
                min-height: 340px;
                padding: var(--spacing-xl) 0;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .interactive-content h2 {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .hosts-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .hero-stats-row {
                gap: var(--spacing-sm);
            }
            .hero-stat-item .stat-num {
                font-size: 1.4rem;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-group .btn {
                width: 100%;
                justify-content: center;
                max-width: 300px;
            }
            .header-logo {
                font-size: 1.2rem;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1b2838;
            --color-primary-light: #243447;
            --color-accent: #ff6b35;
            --color-accent-hover: #e85d2c;
            --color-gold: #d4a574;
            --color-gold-light: #e8c9a0;
            --color-bg: #f5f6f8;
            --color-bg-alt: #edf0f3;
            --color-white: #ffffff;
            --color-text: #2c3e50;
            --color-text-light: #5a6c7d;
            --color-text-muted: #8899aa;
            --color-border: #e2e6ea;
            --color-border-light: #eef1f4;
            --color-success: #27ae60;
            --color-danger: #e63946;
            --color-tag-bg: #fff3ed;
            --color-tag-text: #ff6b35;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --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, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

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

        /* ===== HEADER & NAVIGATION ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .brand-logo {
            font-size: 1.5rem;
            font-weight: 750;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .brand-logo:hover {
            color: var(--color-accent);
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e85d2c);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 700;
        }

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

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-list li a:hover {
            color: var(--color-accent);
            background: var(--color-tag-bg);
        }

        .nav-list li a.active {
            color: var(--color-accent);
            font-weight: 650;
            background: var(--color-tag-bg);
        }

        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 650 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm) !important;
            transition: all var(--transition-normal) !important;
            gap: 6px;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
            transform: translateY(-1px);
        }

        .nav-cta::after {
            display: none !important;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
            z-index: 1001;
            background: transparent;
            border: none;
        }

        .mobile-menu-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 3px;
            transition: all var(--transition-normal);
            transform-origin: center;
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ===== CATEGORY BANNER ===== */
        .category-banner {
            position: relative;
            background: linear-gradient(160deg, #1b2838 0%, #243447 40%, #1a2d3d 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 40, 56, 0.82) 0%, rgba(27, 40, 56, 0.55) 60%, rgba(255, 107, 53, 0.18) 100%);
            z-index: 1;
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            max-width: 700px;
        }

        .category-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            padding: 7px 16px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .category-banner .banner-badge i {
            color: var(--color-accent);
            font-size: 0.85rem;
        }

        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 750;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .category-banner h1 span {
            color: var(--color-accent);
        }

        .category-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 560px;
        }

        .category-banner .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .category-banner .banner-stat {
            display: flex;
            flex-direction: column;
        }

        .category-banner .banner-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 750;
            color: var(--color-accent);
            line-height: 1;
        }

        .category-banner .banner-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-alt {
            background: var(--color-white);
        }

        .section-dark {
            background: var(--color-primary);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== EVENT CARDS GRID ===== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .event-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

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

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

        .event-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .event-card .card-status {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 650;
            z-index: 2;
        }

        .event-card .status-live {
            background: #e63946;
            color: #fff;
            animation: pulse-live 1.8s ease-in-out infinite;
        }

        .event-card .status-upcoming {
            background: var(--color-accent);
            color: #fff;
        }

        .event-card .status-ended {
            background: #8899aa;
            color: #fff;
        }

        @keyframes pulse-live {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(230, 57, 70, 0);
            }
        }

        .event-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card .card-game-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-tag-text);
            background: var(--color-tag-bg);
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .event-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .event-card .card-meta {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .event-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .event-card .card-footer-row {
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }

        .event-card .card-prize {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.95rem;
        }

        .event-card .card-btn {
            padding: 7px 16px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .event-card .card-btn:hover {
            background: var(--color-accent);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }

        /* ===== STATS RIBBON ===== */
        .stats-ribbon {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 750;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
        }

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

        /* ===== TIMELINE ===== */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 28px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-border);
            border-radius: 3px;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            position: relative;
            align-items: flex-start;
        }

        .timeline-dot {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 4px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
            position: relative;
            z-index: 2;
            margin-top: 3px;
        }

        .timeline-dot.upcoming {
            background: var(--color-text-muted);
            box-shadow: 0 0 0 3px var(--color-text-muted);
        }

        .timeline-content {
            flex: 1;
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

        .timeline-content:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .timeline-content .tl-date {
            font-size: 0.82rem;
            color: var(--color-accent);
            font-weight: 650;
            margin-bottom: 4px;
        }

        .timeline-content .tl-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .timeline-content .tl-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* ===== FEATURED EVENT ===== */
        .featured-event-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .featured-event-block .fe-image-wrap {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            border-radius: var(--radius-xl) 0 0 var(--radius-xl);
        }

        .featured-event-block .fe-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .featured-event-block:hover .fe-image-wrap img {
            transform: scale(1.04);
        }

        .featured-event-block .fe-content {
            padding: 32px 36px 32px 8px;
        }

        .featured-event-block .fe-tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 650;
            margin-bottom: 12px;
        }

        .featured-event-block .fe-title {
            font-size: 1.5rem;
            font-weight: 750;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .featured-event-block .fe-desc {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .featured-event-block .fe-meta-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .featured-event-block .fe-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--color-text);
            font-weight: 500;
        }

        .featured-event-block .fe-meta-item i {
            color: var(--color-accent);
        }

        .featured-event-block .fe-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 24px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 650;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
        }

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

        /* ===== PROCESS STEPS ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: process-step;
        }

        .process-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-normal);
            counter-increment: process-step;
        }

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

        .process-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 750;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }

        .process-card .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .process-card .step-desc {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 650;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            background: transparent;
            border: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question i {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-normal);
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(150deg, #1b2838 0%, #243447 50%, #1a2d3d 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(27, 40, 56, 0.7);
            z-index: 1;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 750;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta-primary {
            padding: 13px 30px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 650;
            font-size: 1rem;
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .btn-cta-primary:hover {
            background: #fff;
            color: var(--color-accent);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
            transform: translateY(-2px);
        }

        .btn-cta-outline {
            padding: 13px 30px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            font-weight: 650;
            font-size: 1rem;
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-primary);
            color: #fff;
            padding: 52px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 750;
            margin-bottom: 10px;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 650;
            margin-bottom: 14px;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-ribbon {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-event-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-event-block .fe-image-wrap {
                border-radius: var(--radius-xl) var(--radius-xl) 0 0;
                aspect-ratio: 16 / 9;
            }
            .featured-event-block .fe-content {
                padding: 24px 28px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .category-banner h1 {
                font-size: 2.2rem;
            }
            .cta-section {
                padding: 40px 28px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 60px;
            }
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 16px;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 2px;
                padding: 8px 0;
                background: var(--color-white);
                border-top: 1px solid var(--color-border-light);
                margin-top: 10px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                width: 100%;
                padding: 11px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .nav-list li a.active::after {
                display: none;
            }
            .nav-list li a.active {
                border-left: 3px solid var(--color-accent);
            }
            .nav-cta {
                text-align: center;
                justify-content: center;
                margin-top: 4px;
            }
            .events-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-ribbon {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .timeline-list::before {
                left: 18px;
            }
            .timeline-item {
                gap: 14px;
            }
            .timeline-dot {
                width: 14px;
                height: 14px;
                border-width: 3px;
                margin-top: 5px;
            }
            .category-banner {
                min-height: 300px;
            }
            .category-banner h1 {
                font-size: 1.7rem;
            }
            .category-banner .banner-desc {
                font-size: 0.95rem;
            }
            .category-banner .banner-stats-row {
                gap: 18px;
            }
            .category-banner .banner-stat .stat-number {
                font-size: 1.4rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .featured-event-block .fe-title {
                font-size: 1.25rem;
            }
            .cta-section {
                border-radius: var(--radius-lg);
                padding: 32px 18px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-brand-col {
                text-align: center;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .category-banner {
                min-height: 260px;
            }
            .category-banner h1 {
                font-size: 1.4rem;
            }
            .category-banner .banner-desc {
                font-size: 0.85rem;
            }
            .category-banner .banner-stats-row {
                gap: 12px;
            }
            .category-banner .banner-stat .stat-number {
                font-size: 1.2rem;
            }
            .category-banner .banner-stat .stat-label {
                font-size: 0.75rem;
            }
            .stats-ribbon {
                grid-template-columns: 1fr;
            }
            .event-card .card-title {
                font-size: 1rem;
            }
            .timeline-content {
                padding: 14px 16px;
            }
            .timeline-content .tl-title {
                font-size: 0.95rem;
            }
            .btn-cta-primary,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .cta-section .cta-buttons {
                flex-direction: column;
                gap: 10px;
            }
        }