/* roulang page: index */
:root {
            --primary: #0d1b2a;
            --primary-light: #1b2d45;
            --accent: #f0a500;
            --accent-hover: #d49000;
            --accent-light: #fef3d0;
            --cta: #e63946;
            --cta-hover: #c5303c;
            --bg: #ffffff;
            --bg-alt: #f6f7f9;
            --bg-dark: #0d1b2a;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 4px 16px rgba(0,0,0,0.07);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --transition: 0.2s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

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

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            outline: none;
        }

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        /* Header & 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);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.01em;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #f7c948);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 0.9rem;
            color: var(--primary);
            flex-shrink: 0;
        }

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

        .nav-tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-tag:hover {
            background: var(--bg-alt);
            color: var(--text);
        }

        .nav-tag.active {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(13,27,42,0.25);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--cta);
            color: #ffffff;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        .header-cta:hover {
            background: var(--cta-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(230,57,70,0.35);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            cursor: pointer;
            z-index: 1001;
            padding: 0;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-menu-toggle.open span:nth-child(1) {
            transform: translateY(8.5px) rotate(45deg);
        }
        .mobile-menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.open span:nth-child(3) {
            transform: translateY(-8.5px) rotate(-45deg);
        }

        /* Hero Section */
        .hero {
            position: relative;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,27,42,0.88) 0%, rgba(13,27,42,0.70) 50%, rgba(27,45,69,0.78) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
            max-width: var(--container-max);
        }

        .hero-content {
            color: #ffffff;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(240,165,0,0.18);
            border: 1px solid rgba(240,165,0,0.4);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent);
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            color: #ffffff;
        }

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

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-on-dark);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 18px rgba(240,165,0,0.35);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240,165,0,0.45);
        }

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255,255,255,0.45);
        }

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

        .btn-sm {
            padding: 10px 20px;
            font-size: 0.9rem;
            border-radius: 22px;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-card-stack {
            position: relative;
            width: 100%;
            max-width: 420px;
        }

        .hero-floating-card {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            color: #ffffff;
            position: relative;
            z-index: 3;
        }

        .hero-floating-card .card-stat-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-floating-card .stat-item {
            text-align: center;
            flex: 1;
            min-width: 70px;
        }

        .hero-floating-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .hero-floating-card .stat-label {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        .hero-floating-card.card-offset {
            position: absolute;
            top: 28px;
            right: -20px;
            z-index: 2;
            opacity: 0.7;
            transform: scale(0.9);
            width: 85%;
        }

        /* Section Common */
        .section {
            padding: 72px 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            background: var(--accent-light);
            color: #b87800;
            border-radius: 16px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

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

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Quick Stats */
        .quick-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

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

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

        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            background: var(--accent-light);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .stat-card .stat-unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--accent);
        }

        .stat-card .stat-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .category-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

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

        .category-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .category-card-body {
            padding: 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .category-card-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }

        .category-card-body .btn-sm {
            align-self: flex-start;
            background: var(--primary);
            color: #ffffff;
        }

        .category-card-body .btn-sm:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(13,27,42,0.3);
        }

        /* News List */
        .news-list {
            list-style: none;
            display: grid;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            border-radius: var(--radius-sm);
        }

        .news-item:hover {
            background: var(--bg-alt);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

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

        .news-item-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 2px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .news-item-meta span {
            white-space: nowrap;
        }

        .news-item-tag {
            display: inline-block;
            padding: 2px 10px;
            background: var(--accent-light);
            color: #b87800;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 500;
            flex-shrink: 0;
        }

        .news-empty {
            text-align: center;
            color: var(--text-muted);
            padding: 36px;
            font-size: 0.95rem;
        }

        /* Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }

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

        .feature-icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-light), #fde68a);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
        }

        .feature-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 16px;
            right: 22px;
            font-size: 4rem;
            color: var(--accent-light);
            line-height: 1;
            font-weight: 700;
            pointer-events: none;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .testimonial-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
        }

        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 22px 0;
            cursor: pointer;
            transition: all var(--transition);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .faq-question .faq-arrow {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--text-muted);
        }

        .faq-item:hover .faq-arrow {
            background: var(--accent-light);
            color: var(--accent);
        }

        .faq-answer {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-top: 10px;
            display: none;
            padding-right: 44px;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--accent-light);
            color: var(--accent);
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,27,42,0.92) 0%, rgba(13,27,42,0.78) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-on-dark);
            font-size: 1.08rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 16px 36px;
            border-radius: 30px;
        }

        /* Footer */
        .site-footer {
            background: #0a1520;
            color: var(--text-light);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .footer-about {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 14px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-light);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-visual {
                display: none;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .quick-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .header-inner {
                gap: 12px;
            }
            .nav-tags {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border);
                z-index: 999;
            }
            .nav-tags.mobile-open {
                display: flex;
            }
            .nav-tag {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                border-radius: var(--radius);
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .header-cta-mobile {
                display: inline-flex;
                margin-left: auto;
            }
            .hero {
                min-height: 440px;
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .quick-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .logo-link {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.75rem;
            }
            .hero {
                min-height: 380px;
            }
            .hero h1 {
                font-size: 1.45rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .quick-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .stat-card .stat-value {
                font-size: 1.4rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-primary-light: #ff6b6b;
            --color-secondary: #1d3557;
            --color-accent: #f4a261;
            --color-accent-dark: #e76f51;
            --color-bg: #fafafa;
            --color-bg-alt: #f0f2f5;
            --color-bg-dark: #1a1a2e;
            --color-bg-card: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a5a6e;
            --color-text-light: #7a7a8e;
            --color-border: #e2e4e9;
            --color-border-light: #eef0f5;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-btn: 0 4px 14px rgba(230, 57, 70, 0.3);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 56px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .site-logo:hover {
            color: var(--color-primary);
        }

        .site-logo .logo-accent {
            color: var(--color-primary);
            display: inline;
        }

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

        .nav-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-soft);
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition-base);
            border: 1.5px solid transparent;
            letter-spacing: 0.01em;
        }

        .nav-tag:hover {
            color: var(--color-primary);
            background: rgba(230, 57, 70, 0.05);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .nav-tag.active {
            color: #fff;
            background: var(--color-primary);
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-btn);
        }

        .nav-tag.active:hover {
            color: #fff;
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: 0 6px 18px rgba(230, 57, 70, 0.4);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-btn);
            letter-spacing: 0.02em;
        }

        .btn-header:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(230, 57, 70, 0.4);
        }

        .btn-header:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.6rem;
            color: var(--color-text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(150deg, #1a1a2e 0%, #16213e 30%, #0f3460 65%, #1a1a2e 100%);
            overflow: hidden;
            padding: 80px 24px;
            isolation: isolate;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at center, rgba(26, 26, 46, 0.3) 0%, rgba(26, 26, 46, 0.75) 70%, rgba(26, 26, 46, 0.9) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(230, 57, 70, 0.2);
            color: #ff9090;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(230, 57, 70, 0.3);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff4444;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(255, 68, 68, 0);
            }
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.03em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-title .highlight {
            color: #ff6b6b;
            position: relative;
            display: inline;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: #cdd4e0;
            line-height: 1.65;
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-primary);
            color: #fff;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-btn);
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 57, 70, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

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

        .btn-outline-light:active {
            transform: translateY(0);
        }

        .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: #b0b8c8;
            margin-top: 2px;
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

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

        .section-dark {
            background: var(--color-bg-dark);
            color: #e8ecf2;
        }

        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: #b0b8c8;
        }
        .section-dark .section-label {
            color: #ff9090;
        }

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

        .feature-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-primary);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform var(--transition-base);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(230, 57, 70, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }

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

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .feature-card p {
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* ========== IMAGE SHOWCASE ========== */
        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .showcase-grid.reverse {
            direction: rtl;
        }
        .showcase-grid.reverse>* {
            direction: ltr;
        }

        .showcase-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .showcase-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            transition: transform var(--transition-slow);
        }

        .showcase-image-wrap:hover img {
            transform: scale(1.04);
        }

        .showcase-image-wrap .img-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
            letter-spacing: 0.03em;
        }

        .showcase-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .showcase-text p {
            font-size: 1rem;
            color: var(--color-text-soft);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .showcase-text .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        .showcase-text .tag-item {
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.08);
            color: var(--color-primary);
            border: 1px solid rgba(230, 57, 70, 0.15);
        }

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

        .stat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .stat-card .stat-icon {
            font-size: 2rem;
            margin-bottom: 10px;
        }
        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-name {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

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

        .step-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 22px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-base);
            counter-increment: step;
        }

        .step-item::before {
            content: counter(step);
            position: absolute;
            top: -18px;
            left: 50%;
            transform: translateX(-50%);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            z-index: 2;
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            margin-top: 8px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: color var(--transition-fast);
            gap: 12px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            font-weight: 700;
            color: var(--color-text-soft);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            text-align: center;
            padding: 64px 24px;
            background: linear-gradient(135deg, var(--color-secondary) 0%, #162447 100%);
            border-radius: var(--radius-xl);
            margin: 0 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: soft-light;
        }

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

        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-section .cta-desc {
            font-size: 1.05rem;
            color: #cdd4e0;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 16px 38px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #14141e;
            color: #b0b8c8;
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-about {
            font-size: 0.9rem;
            line-height: 1.6;
            color: #8892a4;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #e8ecf2;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            font-size: 0.9rem;
            color: #8892a4;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #6a7282;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .showcase-grid.reverse {
                direction: ltr;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-section {
                min-height: 420px;
                padding: 60px 20px;
            }
            .section {
                padding: 56px 0;
            }
            :root {
                --section-gap: 56px;
                --section-gap-sm: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .header-cta {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
                gap: 28px 16px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-section {
                min-height: 360px;
                padding: 50px 16px;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section {
                padding: 44px 0;
            }
            :root {
                --section-gap: 44px;
                --section-gap-sm: 32px;
            }
            .nav-tags {
                gap: 4px;
            }
            .nav-tag {
                padding: 6px 14px;
                font-size: 0.85rem;
            }
            .site-logo {
                font-size: 1.15rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                margin: 0 16px;
                padding: 48px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
            .showcase-text h3 {
                font-size: 1.3rem;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .feature-card h3 {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 520px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .steps-list {
                grid-template-columns: 1fr;
                gap: 30px 0;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.88rem;
            }
            .hero-section {
                min-height: 320px;
                padding: 40px 12px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat .stat-num {
                font-size: 1.2rem;
            }
            .hero-stat .stat-label {
                font-size: 0.75rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .nav-tag {
                padding: 5px 11px;
                font-size: 0.8rem;
            }
            .site-logo {
                font-size: 1rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .container {
                padding: 0 14px;
            }
            .cta-section {
                margin: 0 10px;
                padding: 36px 16px;
                border-radius: var(--radius-md);
            }
            .cta-section .cta-title {
                font-size: 1.3rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .showcase-text h3 {
                font-size: 1.15rem;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .stat-card {
                padding: 20px 14px;
            }
        }

/* roulang page: article */
:root {
            --primary: #DC2626;
            --primary-dark: #B91C1C;
            --primary-light: #FEF2F2;
            --secondary: #1E293B;
            --accent: #F59E0B;
            --accent-light: #FFFBEB;
            --bg: #F8FAFC;
            --bg-alt: #F1F5F9;
            --card-bg: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #475569;
            --text-light: #64748B;
            --text-muted: #94A3B8;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px rgba(0,0,0,0.07);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --content-width: 780px;
            --sidebar-width: 340px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
        }

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

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== TOP NOTICE BAR ========== */
        .top-notice {
            background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
            color: #fff;
            text-align: center;
            padding: 9px 16px;
            font-size: 13.5px;
            font-weight: 500;
            letter-spacing: 0.3px;
            position: relative;
            z-index: 1001;
        }
        .top-notice span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .top-notice .notice-icon {
            font-size: 15px;
        }
        .top-notice .notice-link {
            color: #FEF3C7;
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: 600;
            margin-left: 4px;
            transition: color var(--transition);
        }
        .top-notice .notice-link:hover {
            color: #fff;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 20px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            transition: opacity var(--transition);
        }
        .header-logo:hover {
            opacity: 0.82;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-alt);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
            border: 1.5px solid transparent;
        }
        .nav-tag:hover {
            background: #E2E8F0;
            color: var(--text);
            transform: translateY(-1px);
        }
        .nav-tag.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
            box-shadow: 0 2px 10px rgba(220,38,38,0.25);
        }
        .nav-tag.active:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: none;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            box-shadow: 0 2px 8px rgba(220,38,38,0.22);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(220,38,38,0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-alt);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ========== MAIN LAYOUT ========== */
        .page-main {
            flex: 1;
            padding: 32px 0 48px;
        }
        .content-layout {
            display: flex;
            gap: 36px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            align-items: flex-start;
        }
        .content-primary {
            flex: 1;
            min-width: 0;
            max-width: var(--content-width);
        }
        .content-sidebar {
            width: var(--sidebar-width);
            flex-shrink: 0;
            position: sticky;
            top: 100px;
        }

        /* ========== ARTICLE CARD ========== */
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .article-featured-image {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--bg-alt);
        }
        .article-body {
            padding: 32px 36px 40px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .article-date {
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-date i {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .article-read-time {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-title {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--secondary);
            margin-bottom: 20px;
            letter-spacing: -0.4px;
        }
        .article-divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 20px 0 24px;
        }
        .article-content {
            font-size: 1.02rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 32px 0 14px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.35;
        }
        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--secondary);
            margin: 24px 0 10px;
        }
        .article-content p {
            margin-bottom: 16px;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 20px 0;
            max-width: 100%;
            box-shadow: var(--shadow-sm);
        }
        .article-content ul,
        .article-content ol {
            margin: 12px 0 20px 20px;
            padding-left: 8px;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            color: #92400E;
            font-style: italic;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--primary-dark);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-content th {
            background: var(--bg-alt);
            font-weight: 600;
            color: var(--secondary);
        }
        .article-content code {
            background: var(--bg-alt);
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.9em;
            color: #C7254E;
        }
        .article-content pre {
            background: #1E293B;
            color: #E2E8F0;
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 16px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* Article tags */
        .article-tags-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags-row .tags-label {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .article-tag-item {
            display: inline-block;
            padding: 5px 12px;
            background: var(--bg-alt);
            color: var(--text-secondary);
            border-radius: 16px;
            font-size: 0.8rem;
            transition: all var(--transition);
        }
        .article-tag-item:hover {
            background: #E2E8F0;
            color: var(--text);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .not-found-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: block;
        }
        .not-found-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .not-found-card p {
            color: var(--text-light);
            margin-bottom: 24px;
            font-size: 0.98rem;
            line-height: 1.6;
        }
        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 26px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(220,38,38,0.22);
        }
        .btn-back-home:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(220,38,38,0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-block {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-block h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            letter-spacing: 0.2px;
        }
        .sidebar-reco-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
            border-radius: var(--radius-sm);
            padding: 8px;
            margin: 0 -8px;
        }
        .sidebar-reco-item:last-child {
            border-bottom: none;
        }
        .sidebar-reco-item:hover {
            background: var(--bg-alt);
        }
        .sidebar-reco-thumb {
            width: 72px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-alt);
        }
        .sidebar-reco-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-reco-info h4 {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-reco-info .reco-date {
            font-size: 0.76rem;
            color: var(--text-muted);
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
        }
        .sidebar-tag {
            display: inline-block;
            padding: 5px 13px;
            background: var(--bg-alt);
            color: var(--text-secondary);
            border-radius: 16px;
            font-size: 0.8rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .sidebar-tag:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .sidebar-cta-box {
            background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
        }
        .sidebar-cta-box h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .sidebar-cta-box p {
            font-size: 0.82rem;
            opacity: 0.9;
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .sidebar-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            background: #fff;
            color: var(--primary);
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition);
        }
        .sidebar-cta-btn:hover {
            background: #FEF2F2;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            color: var(--primary-dark);
        }

        /* ========== BOTTOM CTA BANNER ========== */
        .cta-banner {
            margin-top: 40px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .cta-banner>* {
            position: relative;
            z-index: 1;
        }
        .cta-banner h3 {
            font-size: 1.55rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .cta-banner p {
            font-size: 1rem;
            opacity: 0.85;
            max-width: 560px;
            margin: 0 auto 22px;
            line-height: 1.6;
        }
        .cta-banner .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(220,38,38,0.35);
        }
        .btn-cta-primary:hover {
            background: #EF4444;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(220,38,38,0.45);
            color: #fff;
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.1);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: #CBD5E1;
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }
        .footer-about {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748B;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .content-layout {
                flex-direction: column;
                gap: 28px;
            }
            .content-primary {
                max-width: 100%;
            }
            .content-sidebar {
                width: 100%;
                position: static;
            }
            .sidebar-reco-item {
                margin: 0;
                padding: 10px;
            }
            .article-body {
                padding: 24px 20px 28px;
            }
            .article-title {
                font-size: 1.55rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .cta-banner {
                padding: 36px 24px;
            }
            .cta-banner h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
                gap: 12px;
            }
            .header-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-tags {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-tags.open {
                display: flex;
            }
            .nav-tag {
                width: 100%;
                text-align: center;
                justify-content: center;
                padding: 10px 16px;
                border-radius: var(--radius);
            }
            .nav-toggle {
                display: block;
            }
            .header-cta {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
            .article-body {
                padding: 20px 16px 24px;
            }
            .article-title {
                font-size: 1.35rem;
            }
            .article-content {
                font-size: 0.95rem;
                line-height: 1.75;
            }
            .article-content h2 {
                font-size: 1.25rem;
            }
            .article-content h3 {
                font-size: 1.08rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-about {
                max-width: 100%;
            }
            .cta-banner {
                padding: 28px 18px;
                border-radius: var(--radius);
            }
            .cta-banner h3 {
                font-size: 1.15rem;
            }
            .cta-banner p {
                font-size: 0.9rem;
            }
            .not-found-card {
                padding: 40px 20px;
            }
            .not-found-card h2 {
                font-size: 1.3rem;
            }
            .sidebar-block {
                padding: 18px 16px;
            }
            .top-notice {
                font-size: 12px;
                padding: 7px 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .content-layout {
                padding: 0 14px;
                gap: 20px;
            }
            .article-body {
                padding: 16px 14px 20px;
            }
            .article-title {
                font-size: 1.2rem;
            }
            .article-meta {
                gap: 8px;
            }
            .article-category-tag {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
            .article-date {
                font-size: 0.78rem;
            }
            .cta-banner {
                padding: 22px 14px;
            }
            .cta-banner h3 {
                font-size: 1.05rem;
            }
            .btn-cta-primary,
            .btn-cta-outline {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .sidebar-reco-thumb {
                width: 56px;
                height: 42px;
            }
            .sidebar-reco-info h4 {
                font-size: 0.82rem;
            }
            .header-logo {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fbbf24;
            --bg: #f8f9fc;
            --surface: #ffffff;
            --surface-alt: #f1f3f8;
            --text: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #7c7c9a;
            --border: #e2e5ef;
            --border-light: #eef0f5;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.16), 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== HEADER & NAVIGATION ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }

        .header-logo {
            flex-shrink: 0;
        }

        .header-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .header-actions {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-full);
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }

        .btn-header-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.3);
        }

        /* Nav Tags */
        .nav-tags-wrapper {
            flex: 1;
            display: flex;
            justify-content: center;
            overflow: hidden;
        }

        .nav-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--surface-alt);
            border-radius: var(--radius-full);
            padding: 5px 6px;
            flex-shrink: 0;
        }

        .nav-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-full);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-tag:hover {
            color: var(--text);
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-tag.active {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .nav-tag .badge-hot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-left: 6px;
            padding: 2px 8px;
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary);
            border-radius: var(--radius-full);
            line-height: 1.4;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: var(--surface-alt);
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
            color: var(--text);
            transition: all var(--transition);
        }

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

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            padding: 80px 0 90px;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #1a1a2e 100%);
            overflow: hidden;
            color: #fff;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mix-blend-mode: overlay;
            pointer-events: none;
        }

        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            filter: blur(120px);
            pointer-events: none;
            opacity: 0.4;
        }

        .hero-glow.top-right {
            top: -150px;
            right: -100px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.5), transparent 70%);
        }

        .hero-glow.bottom-left {
            bottom: -180px;
            left: -80px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.4), transparent 70%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            min-height: 360px;
        }

        .hero-content {
            flex: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent-light);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
            }
            50% {
                opacity: 0.6;
                box-shadow: 0 0 0 12px rgba(245, 158, 11, 0);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #1a1a2e;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.4);
            transition: all var(--transition);
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(245, 158, 11, 0.55);
        }

        .btn-hero-primary:active {
            transform: translateY(0);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition);
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .hero-visual {
            flex: 0 0 400px;
            position: relative;
        }

        .hero-card-stack {
            position: relative;
            width: 100%;
            aspect-ratio: 4/3;
        }

        .hero-card-float {
            position: absolute;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            transition: transform var(--transition);
        }

        .hero-card-float.card-main {
            width: 280px;
            top: 20px;
            left: 50%;
            transform: translateX(-50%) rotate(-2deg);
            z-index: 3;
        }

        .hero-card-float.card-behind {
            width: 240px;
            top: 60px;
            left: 50%;
            transform: translateX(-65%) rotate(3deg);
            z-index: 2;
            opacity: 0.8;
        }

        .hero-card-float.card-side {
            width: 220px;
            top: 50px;
            left: 50%;
            transform: translateX(10%) rotate(-5deg);
            z-index: 1;
            opacity: 0.65;
        }

        .hero-card-float img {
            width: 100%;
            height: auto;
            display: block;
        }

        .hero-card-float .card-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 4px 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            z-index: 5;
        }

        /* ===== SECTION COMMONS ===== */
        .section {
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            padding: 5px 16px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

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

        .promo-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

        .promo-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }

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

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

        .promo-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .promo-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            font-size: 0.78rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            z-index: 2;
        }

        .badge-hot-deal {
            background: linear-gradient(135deg, #e63946, #ff6b6b);
            color: #fff;
        }

        .badge-limited {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #1a1a2e;
        }

        .badge-vip {
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
            color: #fff;
        }

        .badge-new {
            background: linear-gradient(135deg, #00b894, #55efc4);
            color: #1a1a2e;
        }

        .promo-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .promo-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .promo-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .promo-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .promo-card .card-deadline {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .promo-card .btn-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: var(--radius-full);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .promo-card .btn-card:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
        }

        /* ===== SCENARIO SECTION ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-item {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .scenario-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
        }

        .scenario-icon.icon-red {
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
        }
        .scenario-icon.icon-gold {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-dark);
        }
        .scenario-icon.icon-purple {
            background: rgba(108, 92, 231, 0.1);
            color: #6c5ce7;
        }
        .scenario-icon.icon-green {
            background: rgba(0, 184, 148, 0.1);
            color: #00b894;
        }

        .scenario-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .scenario-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== STEPS / PROCESS ===== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
            padding: 0 10px;
        }

        .step-number {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.3);
            position: relative;
            z-index: 2;
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .step-connector {
            display: none;
        }

        /* ===== STATS BAR ===== */
        .stats-section {
            background: linear-gradient(160deg, #1a1a2e, #16213e);
            padding: 56px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            gap: 16px;
            transition: all var(--transition);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: all var(--transition);
            color: var(--text-muted);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        /* ===== CTA BANNER ===== */
        .cta-banner {
            background: linear-gradient(135deg, #e63946 0%, #c1121f 40%, #1a1a2e 100%);
            border-radius: var(--radius-xl);
            padding: 52px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.13;
            pointer-events: none;
        }

        .cta-banner>* {
            position: relative;
            z-index: 1;
        }

        .cta-banner h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-banner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
            transition: all var(--transition);
        }

        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
        }

        .btn-cta-large:active {
            transform: translateY(0);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            margin-top: 0;
        }

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

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-about {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

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

        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                flex-direction: column;
                text-align: center;
                gap: 32px;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .hero-card-float.card-main {
                width: 240px;
            }
            .hero-card-float.card-behind {
                width: 200px;
            }
            .hero-card-float.card-side {
                width: 180px;
            }
            .promo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 0;
                gap: 10px;
            }
            .header-logo a {
                font-size: 1.15rem;
            }
            .header-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .nav-tags-wrapper {
                order: 3;
                flex: 0 0 100%;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                justify-content: flex-start;
                padding-bottom: 4px;
            }
            .nav-tags {
                flex-shrink: 0;
                gap: 4px;
                padding: 4px;
            }
            .nav-tag {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .btn-header-cta {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .header-actions {
                margin-left: auto;
            }
            .hero-section {
                padding: 50px 0 56px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-visual {
                display: none;
            }
            .promo-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .scenario-item {
                padding: 20px 14px;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .cta-banner {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-banner h3 {
                font-size: 1.4rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid>div:first-child {
                grid-column: auto;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-subtitle {
                font-size: 0.88rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 5px 12px;
            }
            .hero-section {
                padding: 40px 0 44px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .steps-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.7rem;
            }
            .promo-card .card-body {
                padding: 14px 16px 18px;
            }
            .promo-card .card-title {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .cta-banner h3 {
                font-size: 1.2rem;
            }
            .btn-cta-large {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .nav-tag {
                padding: 6px 10px;
                font-size: 0.76rem;
            }
            .nav-tags {
                gap: 2px;
                padding: 3px;
            }
        }