/* roulang page: index */
:root {
            --primary: #FF6B35;
            --primary-hover: #E55A2B;
            --secondary: #2D2D2D;
            --accent: #00F5D4;
            --bg: #F8F8F8;
            --white: #FFFFFF;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #E5E5E5;
            --border-light: #EFEFEF;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s ease;
            --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }
        input {
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex-wrap: nowrap;
        }
        .nav-links li {
            display: flex;
            align-items: center;
        }
        .nav-links li+li::before {
            content: '';
            display: block;
            width: 1px;
            height: 18px;
            background: var(--border);
            margin: 0 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--secondary);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            padding: 40px 20px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: color var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
        }
        .mobile-menu a.active::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 10px;
            vertical-align: middle;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-links li+li::before {
                display: none;
            }
        }
        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
            .hamburger {
                display: none;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(45, 45, 45, 0.65) 0%, rgba(45, 45, 45, 0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 40px 24px;
            color: #fff;
        }
        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            font-weight: 400;
            line-height: 1.7;
            opacity: 0.92;
            margin-bottom: 36px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
        }
        .hero-scroll-hint {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: #fff;
            font-size: 1.8rem;
            animation: bounceDown 2s infinite;
            opacity: 0.8;
            cursor: default;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(14px);
            }
        }
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 70vh;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== PAIN-SOLUTION ========== */
        .pain-solution-grid {
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: 48px;
            align-items: start;
        }
        .pain-text {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
            background: #fff;
            padding: 32px 28px;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .solution-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .solution-list li {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: #fff;
            padding: 20px 22px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .solution-list li:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .solution-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            background: rgba(255, 107, 53, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
        }
        .solution-info h4 {
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .solution-info p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .pain-solution-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ========== SELLING POINTS ========== */
        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .selling-card {
            background: #fff;
            padding: 32px 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition);
            border-top: 3px solid transparent;
            position: relative;
        }
        .selling-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-top-color: var(--primary);
        }
        .selling-card .sell-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 107, 53, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            color: var(--primary);
            font-size: 1.5rem;
        }
        .selling-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .selling-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .selling-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.85);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== SPORTS CARDS ========== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .sports-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .sports-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .sports-card .card-img {
            height: 200px;
            overflow: hidden;
        }
        .sports-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .sports-card:hover .card-img img {
            transform: scale(1.06);
        }
        .sports-card .card-body {
            padding: 20px 18px;
        }
        .sports-card .card-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .sports-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.55;
        }
        .sports-card.tall .card-img {
            height: 280px;
        }
        .sports-card.short .card-img {
            height: 150px;
        }
        @media (max-width: 768px) {
            .sports-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .sports-card .card-img {
                height: 180px;
            }
            .sports-card.tall .card-img {
                height: 200px;
            }
            .sports-card.short .card-img {
                height: 140px;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: #fff;
            border-radius: var(--radius);
            padding: 40px 36px;
            box-shadow: var(--shadow-sm);
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            line-height: 1.9;
            font-size: 1.05rem;
            color: var(--text);
            border: 1px solid var(--border-light);
        }
        .brand-intro-block .brand-avatar {
            width: 70px;
            height: 70px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: #fff;
            font-size: 1.8rem;
            font-weight: 900;
            font-family: var(--font-heading);
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                padding: 28px 20px;
                font-size: 0.95rem;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: #fff;
            padding: 28px 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--primary);
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: rgba(255, 107, 53, 0.2);
            position: absolute;
            top: 16px;
            right: 20px;
        }
        .testimonial-stars {
            color: #FFB800;
            letter-spacing: 2px;
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-author .avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #ddd;
            flex-shrink: 0;
            overflow: hidden;
        }
        .testimonial-author .avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .testimonial-author .name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--secondary);
        }
        .testimonial-author .tag {
            font-size: 0.78rem;
            color: var(--primary);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== VENUE SHOWCASE ========== */
        .venue-showcase {
            background: var(--secondary);
            color: #fff;
            padding: 72px 0;
        }
        .venue-showcase .section-title {
            color: #fff;
        }
        .venue-showcase .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }
        .venue-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .venue-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .venue-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .venue-info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .venue-info-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            font-size: 1rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.9);
        }
        .venue-info-list li i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .venue-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .venue-image img {
                height: 240px;
            }
        }

        /* ========== COACH TEAM ========== */
        .coach-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 20px;
            align-items: start;
        }
        .coach-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .coach-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .coach-card .coach-img {
            height: 220px;
            overflow: hidden;
        }
        .coach-card .coach-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .coach-card .coach-body {
            padding: 18px 16px;
        }
        .coach-card .coach-body h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .coach-card .coach-body .role {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 6px;
        }
        .coach-card .coach-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }
        .coach-card.large .coach-img {
            height: 300px;
        }
        @media (max-width: 768px) {
            .coach-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .coach-card .coach-img {
                height: 180px;
            }
            .coach-card.large .coach-img {
                height: 200px;
            }
        }

        /* ========== MEDIA SCROLL ========== */
        .media-scroll-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #ccc transparent;
            padding-bottom: 12px;
        }
        .media-scroll-wrapper::-webkit-scrollbar {
            height: 6px;
        }
        .media-scroll-wrapper::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 3px;
        }
        .media-scroll-inner {
            display: flex;
            gap: 20px;
            min-width: max-content;
        }
        .media-scroll-card {
            flex: 0 0 280px;
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            cursor: pointer;
        }
        .media-scroll-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .media-scroll-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .media-scroll-card .media-body {
            padding: 14px;
        }
        .media-scroll-card .media-body h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .media-scroll-card .media-body .tag-badge {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 500;
            background: rgba(255, 107, 53, 0.08);
            padding: 3px 10px;
            border-radius: 20px;
            display: inline-block;
        }
        @media (max-width: 768px) {
            .media-scroll-card {
                flex: 0 0 240px;
            }
            .media-scroll-card img {
                height: 140px;
            }
        }

        /* ========== NEWS ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-list li {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
            transition: all var(--transition);
        }
        .news-list li:hover {
            background: rgba(255, 107, 53, 0.02);
            padding-left: 8px;
        }
        .news-list .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .news-list .news-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-list .news-summary {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-list .read-more {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .news-list .read-more:hover {
            gap: 8px;
            color: var(--primary-hover);
        }
        .news-sidebar {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .news-sidebar h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--secondary);
            margin-bottom: 14px;
        }
        .news-sidebar .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .news-sidebar .tag-cloud span {
            background: rgba(255, 107, 53, 0.07);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
        }
        .news-sidebar .tag-cloud span:hover {
            background: var(--primary);
            color: #fff;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== MEMBERSHIP ========== */
        .membership-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .membership-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .membership-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .membership-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 12px;
            right: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .membership-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }
        .membership-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .membership-card .price {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .membership-card ul {
            list-style: none;
            text-align: left;
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 18px;
            padding: 0;
        }
        .membership-card ul li::before {
            content: '✓ ';
            color: var(--primary);
            font-weight: 700;
        }
        @media (max-width: 768px) {
            .membership-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== REVIEW BUBBLES ========== */
        .bubble-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .bubble-item {
            background: #fff;
            padding: 16px 20px;
            border-radius: 24px;
            box-shadow: var(--shadow-sm);
            max-width: 300px;
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.5;
            position: relative;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .bubble-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .bubble-item .bubble-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #ddd;
            display: inline-block;
            vertical-align: middle;
            margin-right: 8px;
            flex-shrink: 0;
        }
        .bubble-item .bubble-name {
            font-weight: 600;
            font-size: 0.82rem;
            color: var(--secondary);
            display: inline;
        }
        .bubble-item .bubble-text {
            margin-top: 8px;
            font-size: 0.88rem;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .bubble-item {
                max-width: 100%;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .faq-item {
            background: #fff;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            background: #fafafa;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition);
            border: none;
            border-bottom: 1px solid var(--border-light);
        }
        .faq-question:hover {
            background: #f5f5f5;
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 22px;
        }
        @media (max-width: 768px) {
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 0.85rem;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 12px 16px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            padding: 64px 0;
            text-align: center;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-form {
            max-width: 500px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cta-form input {
            padding: 14px 18px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 1rem;
            width: 100%;
            backdrop-filter: blur(4px);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .cta-form input:focus {
            border-color: #fff;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.22);
        }
        .cta-form .btn-submit {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-size: 1rem;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.03em;
        }
        .cta-form .btn-submit:hover {
            background: #fefefe;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-grid p,
        .footer-grid a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .footer-grid a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== UTILITY ========== */
        .bg-white-soft {
            background: #fff;
        }
        .bg-warm {
            background: #fefcf9;
        }
        .bg-accent-light {
            background: rgba(0, 245, 212, 0.06);
        }
        .text-primary {
            color: var(--primary);
        }
        .text-accent {
            color: var(--accent);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category1 */
:root {
            --primary: #FF6B35;
            --primary-hover: #E55A2B;
            --secondary: #2D2D2D;
            --accent: #00F5D4;
            --bg: #F8F8F8;
            --white: #FFFFFF;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #E5E5E5;
            --border-light: #EFEFEF;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s ease;
            --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }
        input {
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex-wrap: nowrap;
        }
        .nav-links li {
            display: flex;
            align-items: center;
        }
        .nav-links li+li::before {
            content: '';
            display: block;
            width: 1px;
            height: 18px;
            background: var(--border);
            margin: 0 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius);
            transition: all var(--transition);
            letter-spacing: 0.01em;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: none;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 45, 45, 0.82) 0%, rgba(45, 45, 45, 0.55) 60%, rgba(255, 107, 53, 0.3) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            color: #fff;
            padding: 60px 0;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }
        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            line-height: 1.6;
            opacity: 0.9;
            margin-bottom: 32px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-scroll-hint {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            animation: bounceDown 2s infinite;
            color: #fff;
            font-size: 1.5rem;
            opacity: 0.7;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(10px);
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--white);
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-label {
            display: inline-block;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-desc {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 650px;
            margin: 0 auto;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .card-body {
            padding: 20px;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 107, 53, 0.08);
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 8px;
        }
        .card-title {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .card-link:hover {
            gap: 10px;
            color: var(--primary-hover);
        }
        .card-link i {
            font-size: 0.75rem;
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.95rem;
            opacity: 0.8;
        }

        /* ========== FEATURE GRID ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-grid.reverse {
            direction: rtl;
        }
        .feature-grid.reverse>* {
            direction: ltr;
        }
        .feature-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-image-wrap img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .feature-content h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .feature-content p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text);
        }
        .feature-list li .feat-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: rgba(255, 107, 53, 0.1);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }

        /* ========== PROCESS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-step-num {
            width: 56px;
            height: 56px;
            background: var(--primary);
            color: #fff;
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 900;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }
        .process-step h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 8px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            transition: all var(--transition);
            color: var(--primary);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 8px 18px;
        }
        .faq-answer p {
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-inner h2 {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            margin-bottom: 28px;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 180px;
            padding: 14px 18px;
            border-radius: var(--radius);
            border: 2px solid transparent;
            background: #fff;
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(0, 245, 212, 0.15);
        }
        .cta-form .btn {
            background: var(--secondary);
            color: #fff;
            border: 2px solid var(--secondary);
            border-radius: var(--radius);
            padding: 14px 28px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .cta-form .btn:hover {
            background: #1a1a1a;
            border-color: #1a1a1a;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: #ccc;
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-grid h4 {
            color: #fff;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 14px;
        }
        .footer-grid p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 6px;
            color: #aaa;
        }
        .footer-grid a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-grid a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #888;
        }
        .footer-bottom p {
            margin-bottom: 4px;
        }
        .footer-bottom a {
            color: #888;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-grid.reverse {
                direction: ltr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: var(--secondary);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 12px;
                z-index: 1000;
                padding: 24px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li+li::before {
                display: none;
            }
            .nav-links a {
                color: #fff;
                font-size: 1.2rem;
                padding: 14px 20px;
            }
            .nav-links a.active {
                color: var(--accent);
            }
            .nav-links a.active::after {
                background: var(--accent);
            }
            .nav-links a.active::before {
                background: var(--accent);
            }
            .hamburger {
                display: flex;
            }
            .hamburger.open span {
                background: #fff;
            }
            .hero-section {
                min-height: 420px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-image-wrap img {
                height: 280px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-inner h2 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-label {
                font-size: 0.8rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .hero-section {
                min-height: 360px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #FF6B35;
            --primary-hover: #E55A2B;
            --secondary: #2D2D2D;
            --accent: #00F5D4;
            --bg: #F8F8F8;
            --white: #FFFFFF;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #E5E5E5;
            --border-light: #EFEFEF;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s ease;
            --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }
        input {
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex-wrap: nowrap;
        }
        .nav-links li {
            display: flex;
            align-items: center;
        }
        .nav-links li+li::before {
            content: '';
            display: block;
            width: 1px;
            height: 18px;
            background: var(--border);
            margin: 0 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--secondary);
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 32px 32px;
                gap: 8px;
                transition: right 0.3s ease;
                z-index: 1000;
                box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links li+li::before {
                display: none;
            }
            .nav-links a {
                color: #fff;
                font-size: 1.1rem;
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius);
            }
            .nav-links a:hover {
                color: var(--accent);
                background: rgba(255, 255, 255, 0.05);
            }
            .nav-links a.active {
                color: var(--primary);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active::before {
                left: 0;
                top: 50%;
                transform: translateY(-50%);
                width: 6px;
                height: 6px;
            }
            .nav-overlay {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, 0.5);
                z-index: 999;
            }
            .nav-overlay.show {
                display: block;
            }
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-position: center 30%;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(45, 45, 45, 0.75) 0%, rgba(45, 45, 45, 0.55) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 0 24px;
        }
        .page-hero .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .page-hero .hero-content p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius);
            letter-spacing: 0.02em;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline:hover {
            background: #fff;
            color: var(--secondary);
            border-color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 0.9rem;
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 340px;
            }
            .page-hero .hero-content h1 {
                font-size: 2rem;
            }
            .page-hero .hero-content p {
                font-size: 1rem;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-white {
            background: var(--white);
        }
        .section-bg {
            background: var(--bg);
        }
        .section-accent-light {
            background: rgba(255, 107, 53, 0.04);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 40px;
            max-width: 600px;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: rgba(255, 107, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
            color: var(--primary);
        }
        .card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .card p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.65;
        }
        .card-image {
            border-radius: var(--radius) var(--radius) 0 0;
            overflow: hidden;
            height: 200px;
            margin: -28px -24px 20px -24px;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-row.reverse {
            direction: rtl;
        }
        .feature-row.reverse>* {
            direction: ltr;
        }
        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .feature-text h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .feature-text p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .feature-list {
            list-style: none;
            padding: 0;
        }
        .feature-list li {
            padding: 6px 0 6px 28px;
            position: relative;
            font-size: 0.95rem;
            color: var(--text);
        }
        .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 6px;
            color: var(--primary);
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .feature-text h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== STEPS / PROCESS ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .step-card {
            text-align: center;
            position: relative;
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }
        .step-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }
        .step-card h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .steps-row {
                grid-template-columns: 1fr;
            }
        }

        /* ========== STATS ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 24px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .stat-label {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 8px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 8px 20px 8px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            padding: 56px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            font-size: 1.05rem;
            padding: 16px 34px;
        }
        .cta-section .btn-outline {
            border-color: #fff;
            color: #fff;
        }
        .cta-section .btn-outline:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-grid h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-grid p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .footer-grid a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }
        .footer-grid a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 2;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: underline;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #FF6B35;
            --primary-hover: #E55A2B;
            --secondary: #2D2D2D;
            --accent: #00F5D4;
            --bg: #F8F8F8;
            --white: #FFFFFF;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #E5E5E5;
            --border-light: #EFEFEF;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s ease;
            --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --nav-height: 64px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        input {
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            display: flex;
            align-items: center;
        }
        .nav-links li+li::before {
            content: '';
            display: block;
            width: 1px;
            height: 18px;
            background: var(--border);
            margin: 0 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 360px;
                height: 100vh;
                background: var(--secondary);
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 32px 40px;
                gap: 8px;
                transition: right 0.3s ease;
                z-index: 1000;
                overflow-y: auto;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li+li::before {
                display: none;
            }
            .nav-links a {
                color: #fff;
                font-size: 1.1rem;
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius);
            }
            .nav-links a:hover {
                color: var(--accent);
                background: rgba(255, 255, 255, 0.05);
            }
            .nav-links a.active {
                color: var(--accent);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active::before {
                left: 4px;
                top: 50%;
                transform: translateY(-50%);
                width: 8px;
                height: 8px;
            }
            .mobile-overlay {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 999;
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.3s ease;
            }
            .mobile-overlay.open {
                opacity: 1;
                pointer-events: auto;
            }
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-size: 1rem;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-size: 1rem;
            border: 2px solid #fff;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-white:hover {
            background: transparent;
            color: #fff;
            border-color: #fff;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 20px;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 107, 53, 0.08);
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 8px;
        }
        .card-title {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0 0 12px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
        }
        .card-link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }
        .card-link i {
            font-size: 0.75rem;
        }

        /* ========== SECTION ========== */
        .section {
            padding: 64px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin: 0 0 40px;
            line-height: 1.7;
            max-width: 700px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== HERO ========== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 45, 45, 0.78) 0%, rgba(20, 20, 20, 0.55) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            text-align: center;
            padding: 40px 24px;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            margin: 0 auto 28px;
            max-width: 600px;
            line-height: 1.7;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .countdown-row {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border-radius: var(--radius);
            padding: 14px 20px;
            min-width: 70px;
            text-align: center;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .countdown-item .count-num {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 900;
            line-height: 1;
            display: block;
        }
        .countdown-item .count-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
            display: block;
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 380px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .category-hero .hero-subtitle {
                font-size: 1rem;
            }
            .countdown-item {
                min-width: 56px;
                padding: 10px 14px;
            }
            .countdown-item .count-num {
                font-size: 1.5rem;
            }
        }

        /* ========== FEATURE LIST ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
        }
        .feature-card h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
            text-align: center;
        }
        .stat-item {
            flex: 0 0 auto;
            min-width: 140px;
        }
        .stat-num {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            display: block;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            border: none;
            gap: 12px;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f2f2f2;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            transition: all var(--transition);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 0;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 20px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--secondary);
            color: #fff;
            padding: 60px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 12px;
            color: #fff;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 auto 28px;
            max-width: 550px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.15);
            background: rgba(255, 255, 255, 0.18);
        }
        .cta-form .btn-primary {
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #bbb;
            padding: 48px 0 0;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .site-footer p {
            margin: 0 0 4px;
        }
        .site-footer a {
            color: #bbb;
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.8rem;
            color: #888;
        }
        .footer-bottom p {
            margin: 2px 0;
        }
        .footer-bottom a {
            color: #999;
            text-decoration: underline;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== MISC ========== */
        .bg-accent-light {
            background: rgba(0, 245, 212, 0.06);
        }
        .bg-primary-light {
            background: rgba(255, 107, 53, 0.04);
        }
        .text-accent {
            color: var(--accent);
        }
        .highlight-num {
            font-family: var(--font-heading);
            font-weight: 900;
            color: var(--primary);
        }
        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 16px auto;
        }
        .two-col-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .two-col-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .img-rounded {
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .img-rounded img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

/* roulang page: category4 */
:root {
            --primary: #FF6B35;
            --primary-hover: #E55A2B;
            --secondary: #2D2D2D;
            --accent: #00F5D4;
            --bg: #F8F8F8;
            --white: #FFFFFF;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #E5E5E5;
            --border-light: #EFEFEF;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s ease;
            --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --nav-height: 64px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        input {
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

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

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            display: flex;
            align-items: center;
        }

        .nav-links li+li::before {
            content: '';
            display: block;
            width: 1px;
            height: 18px;
            background: var(--border);
            margin: 0 6px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
            transition: color var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-links a.active::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            border-radius: 6px;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }

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

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .card-body {
            padding: 20px;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(0, 245, 212, 0.12);
            color: #008a72;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.7;
        }

        .highlight-num {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.1;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 8px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--secondary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition);
            gap: 16px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: #f2f2f2;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            transition: all var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 8px;
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 8px 20px;
        }

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

        .site-footer {
            background: #1a1a1a;
            color: #c0c0c0;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .site-footer h4 {
            color: #fff;
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .site-footer a {
            color: #c0c0c0;
            transition: color var(--transition);
        }

        .site-footer a:hover {
            color: #fff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 24px;
            text-align: center;
            color: #888;
            font-size: 0.82rem;
            line-height: 2;
        }

        .footer-bottom a {
            color: #999;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

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

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

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            font-family: var(--font-heading);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .highlight-num {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #1a1a1a;
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 28px 40px;
                gap: 4px;
                transition: right 0.3s ease;
                z-index: 1000;
                overflow-y: auto;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links li+li::before {
                display: none;
            }
            .nav-links a {
                color: #ddd;
                font-size: 1.05rem;
                padding: 12px 8px;
                width: 100%;
                border-radius: 4px;
            }
            .nav-links a:hover {
                color: #fff;
                background: rgba(255, 255, 255, 0.06);
            }
            .nav-links a.active {
                color: var(--primary);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active::before {
                left: 6px;
                top: 50%;
                transform: translateY(-50%);
            }
            .hamburger {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .highlight-num {
                font-size: 2rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .card-img {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.2rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .highlight-num {
                font-size: 1.7rem;
            }
            .hero-content h1 {
                font-size: 1.6rem !important;
            }
            .hero-content p {
                font-size: 0.95rem !important;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #FF6B35;
            --primary-hover: #E55A2B;
            --secondary: #2D2D2D;
            --accent: #00F5D4;
            --bg: #F8F8F8;
            --white: #FFFFFF;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #E5E5E5;
            --border-light: #EFEFEF;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s ease;
            --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --nav-height: 64px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
        }

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }
        input {
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            display: flex;
            align-items: center;
        }
        .nav-links li+li::before {
            content: '';
            display: block;
            width: 1px;
            height: 18px;
            background: var(--border);
            margin: 0 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            height: 320px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(45, 45, 45, 0.55) 0%, rgba(45, 45, 45, 0.75) 100%);
            z-index: 1;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 0 24px;
        }
        .page-hero-content h1 {
            font-family: var(--font-heading);
            font-size: 2.75rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin: 0 0 12px;
            line-height: 1.2;
        }
        .page-hero-content .hero-subtitle {
            font-size: 1.15rem;
            font-weight: 400;
            opacity: 0.9;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .page-hero-content .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        /* ========== NEWS GRID ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            padding: 48px 0;
        }
        .news-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .news-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .news-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            background: rgba(255, 107, 53, 0.1);
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .news-card-tag.accent-tag {
            background: rgba(0, 245, 212, 0.12);
            color: #008f7a;
        }
        .news-card-title {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-title a {
            color: inherit;
        }
        .news-card-title a:hover {
            color: var(--primary);
        }
        .news-card-summary {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.65;
            margin: 0 0 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            margin-top: auto;
        }
        .news-card-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .news-card-date i {
            font-size: 0.85rem;
        }
        .news-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .news-card-link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }
        .news-card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 24px 0 48px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            color: var(--text);
            border: 1px solid var(--border);
            background: var(--white);
        }
        .pagination a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .pagination .active-page {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
            pointer-events: none;
        }
        .pagination .disabled-page {
            color: var(--text-muted);
            pointer-events: none;
            opacity: 0.5;
        }

        /* ========== INTRO SECTION ========== */
        .intro-section {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            margin: 0 0 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .intro-section h2 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }
        .intro-section p {
            font-size: 1rem;
            color: var(--text);
            line-height: 1.85;
            margin: 0 0 12px;
        }
        .intro-section p:last-child {
            margin-bottom: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            margin: 48px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 800;
            margin: 0 0 10px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            font-size: 1rem;
            opacity: 0.85;
            margin: 0 0 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: var(--radius);
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }
        .cta-btn:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 40px 0 48px;
        }
        .faq-section .section-title {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 28px;
            text-align: center;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            background: #FAFAFA;
            cursor: pointer;
            border: none;
            text-align: left;
            transition: background var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            background: #F0F0F0;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            transition: all var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            background: var(--white);
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 16px 20px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 48px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-grid h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .footer-grid p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0 0 8px;
            color: #aaa;
        }
        .footer-grid a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-grid a:hover {
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.8rem;
            color: #777;
            line-height: 1.8;
        }
        .footer-bottom a {
            color: #999;
            text-decoration: underline;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom p {
            margin: 3px 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-hero {
                height: 260px;
            }
            .page-hero-content h1 {
                font-size: 2.2rem;
            }
            .page-hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .cta-section h3 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #1a1a1a;
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 28px 40px;
                gap: 0;
                transition: right 0.35s ease;
                z-index: 1000;
                overflow-y: auto;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li+li::before {
                display: none;
            }
            .nav-links a {
                color: #ddd;
                font-size: 1.05rem;
                padding: 14px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 0;
            }
            .nav-links a.active {
                color: var(--primary);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active::before {
                left: -14px;
                top: 50%;
                transform: translateY(-50%);
                width: 7px;
                height: 7px;
            }
            .hamburger {
                display: flex;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 32px 0;
            }
            .page-hero {
                height: 220px;
            }
            .page-hero-content h1 {
                font-size: 1.8rem;
            }
            .page-hero-content .hero-subtitle {
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .intro-section {
                padding: 24px 18px;
            }
            .cta-section {
                padding: 28px 18px;
                margin: 32px 0;
            }
            .pagination a,
            .pagination span {
                min-width: 34px;
                height: 34px;
                font-size: 0.8rem;
                padding: 0 8px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-inner {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .page-hero {
                height: 200px;
            }
            .page-hero-content h1 {
                font-size: 1.5rem;
            }
            .page-hero-content .hero-subtitle {
                font-size: 0.85rem;
            }
            .news-card-img {
                height: 180px;
            }
            .news-card-body {
                padding: 14px 12px;
            }
            .news-card-title {
                font-size: 1rem;
            }
            .news-card-summary {
                font-size: 0.85rem;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #FF6B35;
            --primary-hover: #E55A2B;
            --secondary: #2D2D2D;
            --accent: #00F5D4;
            --bg: #F8F8F8;
            --white: #FFFFFF;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #E5E5E5;
            --border-light: #EFEFEF;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s ease;
            --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --nav-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }
        input {
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            display: flex;
            align-items: center;
        }
        .nav-links li+li::before {
            content: '';
            display: block;
            width: 1px;
            height: 18px;
            background: var(--border);
            margin: 0 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            border-radius: 6px;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-white:hover {
            background: #f0f0f0;
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 16px;
        }
        .card-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0 0 12px;
        }
        .card-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .card-link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }
        .card-link i {
            font-size: 0.75rem;
        }

        /* ========== TESTIMONIAL CARDS ========== */
        .testimonial-card {
            background: #f9f9f9;
            border-left: 4px solid var(--primary);
            border-radius: var(--radius);
            padding: 20px 24px;
            position: relative;
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--primary);
            opacity: 0.3;
            position: absolute;
            top: 12px;
            left: 16px;
        }
        .testimonial-stars {
            color: #F5A623;
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin: 0 0 12px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }
        .testimonial-tag {
            font-size: 0.75rem;
            color: var(--text-muted);
            background: var(--border-light);
            padding: 2px 10px;
            border-radius: 12px;
            display: inline-block;
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 16px;
            background: #f2f2f2;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition);
            border-radius: var(--radius-sm);
            margin-bottom: 0;
        }
        .faq-question:hover {
            background: #e8e8e8;
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-question.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 16px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 500px;
            padding: 12px 16px 20px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: #ccc;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .footer-grid p {
            margin: 0 0 8px;
            font-size: 0.9rem;
            line-height: 1.6;
            color: #bbb;
        }
        .footer-grid a {
            color: #bbb;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-grid a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #999;
        }
        .footer-bottom p {
            margin: 4px 0;
        }
        .footer-bottom a {
            color: #999;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .nav-links li+li::before {
                margin: 0 2px;
            }
            .nav-links a {
                padding: 8px 8px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--secondary);
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
                gap: 8px;
                z-index: 999;
                overflow-y: auto;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li+li::before {
                display: none;
            }
            .nav-links a {
                color: #ddd;
                font-size: 1.1rem;
                padding: 14px 16px;
                border-radius: var(--radius);
                display: block;
                text-align: center;
            }
            .nav-links a:hover {
                color: #fff;
                background: rgba(255, 255, 255, 0.08);
            }
            .nav-links a.active {
                color: var(--primary);
                background: rgba(255, 107, 53, 0.1);
            }
            .nav-links a.active::after,
            .nav-links a.active::before {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card-img {
                height: 160px;
            }
        }
        @media (max-width: 520px) {
            .btn-primary,
            .btn-outline,
            .btn-white {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 64px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
        }
        .section-dark {
            background: var(--secondary);
            color: #ddd;
            padding: 64px 0;
        }
        .section-accent {
            background: rgba(255, 107, 53, 0.04);
            padding: 64px 0;
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            position: relative;
            height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.65));
            z-index: 1;
        }
        .hero-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 700px;
            padding: 0 24px;
        }
        .hero-banner-content h1 {
            font-family: var(--font-heading);
            font-size: 2.75rem;
            font-weight: 900;
            margin: 0 0 16px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .hero-banner-content p {
            font-size: 1.15rem;
            margin: 0 0 24px;
            opacity: 0.9;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .hero-banner {
                height: 300px;
            }
            .hero-banner-content h1 {
                font-size: 1.9rem;
            }
            .hero-banner-content p {
                font-size: 1rem;
            }
        }

@media (max-width:768px) {
                .stats-grid {
                    grid-template-columns: repeat(2, 1fr) !important;
                    gap: 16px !important;
                }
                .stats-grid>div {
                    padding: 12px !important;
                }
                .stats-grid>div>div:first-child {
                    font-size: 2.2rem !important;
                }
            }

@media (max-width:1024px) {
                .programs-grid {
                    grid-template-columns: repeat(2, 1fr) !important;
                }
            }
            @media (max-width:520px) {
                .programs-grid {
                    grid-template-columns: 1fr !important;
                }
            }

@media (max-width:768px) {
                .age-grid {
                    grid-template-columns: 1fr !important;
                    gap: 32px !important;
                }
            }

@media (max-width:768px) {
                .flow-grid {
                    grid-template-columns: repeat(2, 1fr) !important;
                }
            }
            @media (max-width:520px) {
                .flow-grid {
                    grid-template-columns: 1fr !important;
                }
            }

@media (max-width:768px) {
                .venue-grid {
                    grid-template-columns: 1fr !important;
                    gap: 28px !important;
                }
            }

@media (max-width:768px) {
                .testimonial-grid {
                    grid-template-columns: 1fr !important;
                }
            }