/* roulang page: index */
:root {
            --bg-primary: #0D1026;
            --bg-secondary: #131734;
            --bg-card-start: #181C3B;
            --bg-card-end: #1E2347;
            --accent-amber: #F59E0B;
            --accent-amber-light: #FBBF24;
            --accent-cyan: #22D3EE;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(245, 158, 11, 0.4);
            --radius-large: 1.5rem;
            --radius-medium: 1rem;
            --radius-full: 9999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 20px 40px rgba(245, 158, 11, 0.15);
            --shadow-badge: 0 0 20px rgba(245, 158, 11, 0.25);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            padding-bottom: 80px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section {
            padding: 5rem 0;
        }

        @media (min-width: 1024px) {
            .section {
                padding: 7rem 0;
            }
        }

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

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3.5rem;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.875rem;
            letter-spacing: 0.15em;
            color: var(--accent-amber);
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .section-tag::before,
        .section-tag::after {
            content: "";
            width: 32px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-amber));
        }

        .section-tag::after {
            background: linear-gradient(90deg, var(--accent-amber), transparent);
        }

        .section-header h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 0.875rem;
            color: var(--text-primary);
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-light));
            color: #1A1A2E;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--accent-amber-light), var(--accent-amber));
            color: #1A1A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            border-color: var(--accent-amber);
            color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.08);
            transform: translateY(-2px);
        }

        .btn-dark {
            background: #0D1026;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .btn-dark:hover {
            background: #1a1e3d;
            color: #fff;
            border-color: var(--accent-amber);
        }

        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-amber);
            outline-offset: 3px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 16, 38, 0.96);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(6px);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            background: linear-gradient(90deg, #fff 20%, var(--accent-amber) 80%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .search-box {
            flex: 1;
            max-width: 520px;
            margin: 0 auto;
            position: relative;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-full);
            height: 44px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .search-box:focus-within {
            border-color: var(--accent-amber);
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }

        .search-box .icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent-amber);
            width: 18px;
            height: 18px;
            pointer-events: none;
        }

        .search-box input {
            width: 100%;
            height: 100%;
            background: transparent;
            border: none;
            padding: 0 18px 0 44px;
            color: var(--text-primary);
            font-size: 0.9rem;
            border-radius: var(--radius-full);
        }

        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .nav-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .nav-cta .btn {
            padding: 0.5rem 1.25rem;
            font-size: 0.875rem;
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            padding-bottom: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0 0.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            min-height: 44px;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-categories a {
            position: relative;
            font-size: 0.875rem;
            color: var(--text-secondary);
            padding: 0.625rem 1rem;
            white-space: nowrap;
            transition: color 0.2s ease;
            font-weight: 500;
        }

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

        .nav-categories a.active {
            color: var(--accent-amber);
        }

        .nav-categories a.active::after {
            content: "";
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-amber), transparent);
        }

        @media (max-width: 768px) {
            .nav-main {
                flex-wrap: wrap;
                height: auto;
                padding: 0.75rem 0;
                gap: 0.75rem;
            }

            .search-box {
                order: 3;
                width: 100%;
                max-width: none;
                flex-basis: 100%;
            }

            .nav-cta {
                margin-left: auto;
            }

            .nav-categories {
                padding-bottom: 0.25rem;
            }
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background:
                linear-gradient(135deg, #0D1026 0%, #1a1f45 55%, #2d1f3a 100%);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            mix-blend-mode: overlay;
            opacity: 0.5;
            pointer-events: none;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .hero-glow-1,
        .hero-glow-2 {
            position: absolute;
            width: 450px;
            height: 450px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.2), transparent 70%);
            pointer-events: none;
        }

        .hero-glow-1 {
            top: -10%;
            right: -5%;
        }

        .hero-glow-2 {
            bottom: -10%;
            left: -5%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12), transparent 70%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
            padding: 4rem 1.5rem;
        }

        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

        .hero-subtitle {
            font-size: clamp(1.05rem, 1.5vw, 1.2rem);
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

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

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin-top: 3.5rem;
            flex-wrap: wrap;
        }

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

        .hero-stats .stat-num {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 800;
            color: var(--accent-amber);
            font-feature-settings: "tnum";
            line-height: 1.1;
            display: block;
            text-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
        }

        .hero-stats .stat-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 0.25rem;
            letter-spacing: 0.1em;
        }

        /* ========== 卖点卡片 ========== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .card-service {
            background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
            border-radius: var(--radius-large);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-card);
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }

        .card-service:hover {
            border-color: rgba(245, 158, 11, 0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }

        .card-service .icon {
            width: 48px;
            height: 48px;
            color: var(--accent-amber);
            margin-bottom: 1.5rem;
            transition: transform 0.3s ease;
        }

        .card-service:hover .icon {
            transform: scale(1.12);
        }

        .card-service h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .card-service p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 992px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 场景演示 ========== */
        .demo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .demo-steps {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .step {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-light));
            color: #1A1A2E;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(245, 158, 11, 0.25);
        }

        .step h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .step p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .browser-window {
            border-radius: var(--radius-large);
            overflow: hidden;
            background: #0A0C1D;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-light);
        }

        .browser-bar {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.875rem 1.25rem;
            background: rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid var(--border-light);
        }

        .browser-bar span {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            display: block;
        }

        .browser-bar span:nth-child(1) {
            background: #EF4444;
        }

        .browser-bar span:nth-child(2) {
            background: #F59E0B;
        }

        .browser-bar span:nth-child(3) {
            background: #10B981;
        }

        .browser-window img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        @media (max-width: 992px) {
            .demo-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
        }

        /* ========== 数据徽章 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-bottom: 3.5rem;
        }

        .stat-card {
            text-align: center;
            background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
            border-radius: var(--radius-large);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            border-bottom: 3px solid transparent;
            transition: border-color 0.3s ease;
        }

        .stat-card:hover {
            border-bottom-color: var(--accent-amber);
        }

        .stat-card .num {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 800;
            color: var(--accent-amber);
            font-feature-settings: "tnum";
            display: block;
            line-height: 1.1;
            text-shadow: var(--shadow-badge);
        }

        .stat-card .label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 0.5rem;
            letter-spacing: 0.05em;
        }

        .testimonials {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testimonial-card {
            background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
            border-radius: var(--radius-large);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            position: relative;
            border: 1px solid var(--border-light);
            transition: border-color 0.3s ease;
        }

        .testimonial-card:hover {
            border-color: var(--border-gold);
        }

        .testimonial-card .quote {
            color: var(--accent-amber);
            margin-bottom: 1rem;
            opacity: 0.5;
        }

        .testimonial-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .testimonial-card .author {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-primary);
        }

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

        @media (max-width: 992px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 640px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CMS 资讯列表 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .news-item {
            display: flex;
            gap: 1.5rem;
            background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
            border-radius: var(--radius-medium);
            padding: 1.25rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            align-items: center;
        }

        .news-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-hover);
        }

        .news-thumb {
            width: 96px;
            height: 96px;
            border-radius: var(--radius-medium);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-secondary);
        }

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

        .news-content h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.375rem;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
        }

        .news-content p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin-bottom: 0.5rem;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .news-meta .tag {
            font-size: 0.75rem;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-full);
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-amber);
            border: 1px solid rgba(245, 158, 11, 0.2);
        }

        .news-meta time {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .empty-state {
            background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
            border-radius: var(--radius-large);
            padding: 4rem 2rem;
            text-align: center;
            border: 1px dashed rgba(255, 255, 255, 0.15);
        }

        .empty-state svg {
            width: 48px;
            height: 48px;
            color: var(--text-muted);
            margin: 0 auto 1rem;
        }

        .empty-state p {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-card-start);
            border-radius: var(--radius-medium);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: border-color 0.3s ease;
        }

        .faq-item.active {
            background: var(--bg-secondary);
            border-color: var(--border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 1.25rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            text-align: left;
            background: transparent;
            transition: color 0.2s ease;
        }

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

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--accent-amber);
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--accent-amber);
            color: #1A1A2E;
            border-color: var(--accent-amber);
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.35s ease;
        }

        .faq-item.active .faq-answer {
            grid-template-rows: 1fr;
        }

        .faq-answer-inner {
            overflow: hidden;
            padding: 0 1.5rem;
        }

        .faq-answer p {
            padding-bottom: 1.25rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            border-left: 3px solid var(--accent-amber);
            padding-left: 1rem;
        }

        /* ========== CTA 带区 ========== */
        .cta-banner {
            background: linear-gradient(135deg, #F59E0B, #FBBF24, #FDE68A);
            border-radius: 2rem;
            padding: 3rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            box-shadow: 0 20px 60px rgba(245, 158, 11, 0.3);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            pointer-events: none;
        }

        .cta-copy h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            color: #1A1A2E;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }

        .cta-copy p {
            color: rgba(26, 26, 46, 0.8);
            font-size: 1rem;
            line-height: 1.6;
            max-width: 380px;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 0.875rem;
        }

        .cta-form input,
        .cta-form textarea {
            background: rgba(26, 26, 46, 0.35);
            border: 1px solid rgba(26, 26, 46, 0.15);
            border-radius: 0.75rem;
            padding: 0.75rem 1rem;
            font-size: 0.9rem;
            color: #1A1A2E;
            transition: border-color 0.2s ease, background 0.2s ease;
            backdrop-filter: none;
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(26, 26, 46, 0.6);
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: #1A1A2E;
            background: rgba(255, 255, 255, 0.4);
            outline: none;
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 70px;
        }

        .cta-form .btn {
            background: #0D1026;
            color: #fff;
            border: none;
            padding: 0.875rem 1.5rem;
            font-weight: 600;
            border-radius: 0.75rem;
            transition: background 0.2s ease, transform 0.2s ease;
        }

        .cta-form .btn:hover {
            background: #1a1e3d;
            transform: translateY(-2px);
        }

        .privacy-note {
            font-size: 0.75rem;
            color: rgba(26, 26, 46, 0.6);
            text-align: center;
            margin-top: 0.25rem;
        }

        @media (max-width: 900px) {
            .cta-banner {
                grid-template-columns: 1fr;
                padding: 2rem;
                gap: 2rem;
            }
        }

        @media (max-width: 640px) {
            .cta-banner {
                border-radius: 1.5rem;
                padding: 1.5rem;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0A0C1D;
            border-top: 1px solid var(--border-light);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
        }

        .footer-grid .brand p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 0.75rem;
            margin-bottom: 1rem;
            max-width: 260px;
        }

        .footer-grid h3 {
            font-size: 0.9rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .footer-grid ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-grid ul a {
            font-size: 0.875rem;
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

        .footer-grid ul a:hover {
            color: var(--accent-amber);
        }

        .footer-contact p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0.25rem;
        }

        .footer-contact p strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding: 1.25rem 0;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* ========== 底部固定条 ========== */
        .fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            height: 76px;
            background: #0D1026;
            border-top: 1px solid rgba(245, 158, 11, 0.3);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 1.5rem;
            gap: 1rem;
        }

        .fixed-bar .slogan {
            font-size: 0.875rem;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 50%;
        }

        .fixed-bar .actions {
            display: flex;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .fixed-bar .btn {
            padding: 0.5rem 1.25rem;
            font-size: 0.85rem;
        }

        .fixed-bar .btn-outline {
            border-color: rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
        }

        .fixed-bar .btn-outline:hover {
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        @media (max-width: 640px) {
            .fixed-bar {
                justify-content: center;
                padding: 0 1rem;
            }
            .fixed-bar .slogan {
                display: none;
            }
            .fixed-bar .actions {
                width: 100%;
                justify-content: center;
            }
            .fixed-bar .btn {
                flex: 1;
                max-width: 180px;
            }
        }

        /* ========== 工具类 ========== */
        .text-center {
            text-align: center;
        }

        .mt-2 {
            margin-top: 0.75rem;
        }

        .mt-3 {
            margin-top: 1rem;
        }

        .mb-2 {
            margin-bottom: 0.75rem;
        }

/* roulang page: category1 */
:root {
            --bg-primary:#0D1026;
            --bg-secondary:#131734;
            --bg-card-start:#181C3B;
            --bg-card-end:#1E2347;
            --gold:#F59E0B;
            --gold-light:#FBBF24;
            --gold-pale:#FDE68A;
            --cyan:#22D3EE;
            --text-primary:#F1F5F9;
            --text-muted:#94A3B8;
            --border:rgba(148,163,184,0.16);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-pill:9999px;
            --shadow-card:0 8px 30px rgba(0,0,0,.35);
            --shadow-hover:0 20px 40px rgba(245,158,11,.15);
            --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
            --grad-navbar:linear-gradient(45deg,#0D1026 0%,#1E2347 40%,#7C2D12 100%);
            --grad-hero:linear-gradient(135deg,#0D1026 0%,#1E2347 45%,#5B21B6 75%,#F59E0B 130%);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            padding-bottom: 76px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        input,
        button,
        textarea,
        select {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            font-weight: 700;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 16, 38, .95);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border-bottom: 1px solid var(--border);
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 14px 0 10px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.28rem;
            font-weight: 800;
            letter-spacing: .5px;
            background: linear-gradient(90deg, #ffffff 20%, #FDE68A 50%, #F59E0B 85%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }
        .search-box {
            flex: 1;
            max-width: 520px;
            min-width: 220px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, .08);
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            padding: 0 18px;
            height: 44px;
            transition: border-color .3s, box-shadow .3s, background .3s;
        }
        .search-box:hover {
            background: rgba(255, 255, 255, .11);
        }
        .search-box .icon {
            width: 18px;
            height: 18px;
            color: var(--gold);
            flex-shrink: 0;
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            width: 100%;
            font-size: .95rem;
            padding-left: 10px;
        }
        .search-box input::-webkit-input-placeholder {
            color: rgba(148, 163, 184, .8);
        }
        .search-box input::-moz-placeholder {
            color: rgba(148, 163, 184, .8);
        }
        .search-box:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(245, 158, 11, .15);
        }
        .nav-cta {
            margin-left: auto;
            flex-shrink: 0;
        }
        .nav-categories {
            display: flex;
            gap: 30px;
            padding: 6px 0 14px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-categories::-webkit-scrollbar {
            display: none;
        }
        .nav-categories a {
            font-size: 14px;
            color: var(--text-muted);
            position: relative;
            padding-bottom: 4px;
            white-space: nowrap;
            transition: color .3s;
        }
        .nav-categories a:hover {
            color: var(--gold-light);
        }
        .nav-categories a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
            transition: width .3s;
        }
        .nav-categories a:hover::after {
            width: 100%;
        }
        .nav-categories a.active {
            color: var(--gold-light);
        }
        .nav-categories a.active::after {
            width: 100%;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-size: .95rem;
            transition: all .35s ease;
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: #0D1026;
            box-shadow: 0 4px 16px rgba(245, 158, 11, .22);
        }
        .btn-primary:hover {
            box-shadow: 0 10px 28px rgba(245, 158, 11, .35);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(245, 158, 11, .3);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(245, 158, 11, .5);
            color: var(--gold-light);
        }
        .btn-outline:hover {
            background: rgba(245, 158, 11, .1);
            border-color: var(--gold);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-dark {
            background: #0D1026;
            color: #fff;
        }
        .btn-dark:hover {
            background: #1E2347;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .25);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(245, 158, 11, .45);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 24px 60px;
            overflow: hidden;
            background: var(--grad-hero);
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
            background-size: 44px 44px;
            pointer-events: none;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
            opacity: .24;
            pointer-events: none;
        }
        .hero-glow1 {
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, .28), transparent 70%);
            pointer-events: none;
        }
        .hero-glow2 {
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(139, 92, 246, .22), transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
            margin: 0 auto;
        }
        .hero-content h1 {
            font-size: clamp(2.4rem, 5vw, 3.6rem);
            margin-bottom: 20px;
            background: linear-gradient(120deg, #ffffff 20%, #FDE68A 90%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .hero-sub {
            font-size: 1.12rem;
            color: rgba(226, 232, 240, .9);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .data-badges {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
            padding-top: 8px;
        }
        .data-badge {
            text-align: center;
            position: relative;
            padding: 0 12px;
        }
        .data-badge .num {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--gold);
            font-variant-numeric: tabular-nums;
            text-shadow: 0 0 20px rgba(245, 158, 11, .35);
            line-height: 1.2;
        }
        .data-badge .label {
            display: block;
            margin-top: 8px;
            font-size: .85rem;
            color: var(--text-muted);
            letter-spacing: .5px;
        }

        /* ===== Sections ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-head .tag-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3.4vw, 2.5rem);
            margin-bottom: 14px;
            color: #fff;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 1rem;
        }

        /* ===== Description Block ===== */
        .description-block {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }
        .description-text h2 {
            font-size: clamp(1.7rem, 3vw, 2.2rem);
            margin-bottom: 18px;
            color: #fff;
        }
        .description-text p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .description-text .feature-list {
            list-style: none;
            margin-top: 20px;
            padding: 0;
        }
        .description-text .feature-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            color: rgba(226, 232, 240, .88);
        }
        .description-text .feature-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            box-shadow: 0 0 8px rgba(245, 158, 11, .4);
        }
        .description-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }
        .description-media img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .description-media:hover img {
            transform: scale(1.02);
        }
        .description-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(13, 16, 38, .35));
            pointer-events: none;
        }

        /* ===== Subtopic Cards ===== */
        .subtopic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .subtopic-card {
            background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: box-shadow .4s ease, transform .4s ease, border-color .4s ease;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .subtopic-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 158, 11, .5);
            transform: translateY(-4px);
        }
        .subtopic-card .icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(245, 158, 11, .12);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s ease;
        }
        .subtopic-card:hover .icon {
            transform: scale(1.08);
        }
        .subtopic-card h3 {
            font-size: 1.12rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .subtopic-card p {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            transition: background .3s ease, border-color .3s ease, transform .3s ease;
        }
        .process-card:hover {
            background: rgba(245, 158, 11, .08);
            border-color: rgba(245, 158, 11, .4);
            transform: translateY(-4px);
        }
        .process-card .step {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: #0D1026;
            font-size: 1.25rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 0 20px rgba(245, 158, 11, .3);
        }
        .process-card h3 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 10px;
        }
        .process-card p {
            color: var(--text-muted);
            font-size: .88rem;
            line-height: 1.7;
        }

        /* ===== Scenario Cards ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: box-shadow .35s ease, transform .35s ease, border-color .35s ease;
            position: relative;
            overflow: hidden;
        }
        .scenario-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, rgba(245, 158, 11, .8), transparent);
            opacity: 0;
            transition: opacity .35s;
        }
        .scenario-card:hover::before {
            opacity: 1;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(245, 158, 11, .4);
        }
        .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(245, 158, 11, .14);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .scenario-card h3 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .scenario-card p {
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.75;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(255, 255, 255, .03);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            transition: background .3s ease, border-color .3s;
            overflow: hidden;
        }
        .faq-item.open {
            background: var(--bg-secondary);
            border-color: rgba(245, 158, 11, .4);
            box-shadow: 0 0 0 1px rgba(245, 158, 11, .12);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            user-select: none;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(245, 158, 11, .15);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease;
            color: var(--gold);
            font-size: 1.2rem;
            font-weight: 400;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--gold);
            color: #0D1026;
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 55%, #FDE68A 100%);
            padding: 56px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            box-shadow: 0 16px 44px rgba(245, 158, 11, .25);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .14);
            pointer-events: none;
        }
        .cta-copy h2 {
            color: #0D1026;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            margin-bottom: 14px;
            font-weight: 800;
        }
        .cta-copy p {
            color: rgba(13, 16, 38, .82);
            font-size: .98rem;
            line-height: 1.75;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            z-index: 2;
        }
        .cta-form input,
        .cta-form textarea {
            background: rgba(13, 16, 38, .18);
            border: 1px solid rgba(13, 16, 38, .2);
            border-radius: var(--radius-md);
            padding: 13px 16px;
            color: #0D1026;
            font-size: .92rem;
            outline: none;
            transition: background .3s, border-color .3s, box-shadow .3s;
        }
        .cta-form input::-webkit-input-placeholder,
        .cta-form textarea::-webkit-input-placeholder {
            color: rgba(13, 16, 38, .55);
        }
        .cta-form input::-moz-placeholder,
        .cta-form textarea::-moz-placeholder {
            color: rgba(13, 16, 38, .55);
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            background: rgba(255, 255, 255, .5);
            border-color: #0D1026;
            box-shadow: 0 0 0 3px rgba(13, 16, 38, .2);
        }
        .cta-form textarea {
            resize: vertical;
            min-height: 84px;
        }
        .cta-form .btn-dark {
            align-self: flex-start;
        }
        .cta-privacy {
            font-size: .78rem;
            color: rgba(13, 16, 38, .62);
            margin-top: 4px;
            line-height: 1.5;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A0C1D;
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.9fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .site-footer .brand .logo {
            margin-bottom: 16px;
        }
        .site-footer .brand p {
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.8;
            max-width: 280px;
        }
        .site-footer h3 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: var(--text-muted);
            font-size: .9rem;
        }
        .site-footer ul li a:hover {
            color: var(--gold-light);
        }
        .footer-contact p {
            color: var(--text-muted);
            font-size: .9rem;
            margin-bottom: 10px;
        }
        .footer-contact strong {
            color: rgba(226, 232, 240, .9);
            font-weight: 600;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            text-align: center;
            color: rgba(148, 163, 184, .7);
            font-size: .85rem;
        }
        .footer-bottom a {
            color: rgba(148, 163, 184, .8);
        }
        .footer-bottom a:hover {
            color: var(--gold-light);
        }

        /* ===== Fixed Bottom Bar ===== */
        .fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            height: 68px;
            background: rgba(13, 16, 38, .96);
            border-top: 1px solid rgba(245, 158, 11, .5);
            display: flex;
            align-items: center;
            backdrop-filter: blur(6px);
        }
        .fixed-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .fixed-bar .text {
            font-size: .95rem;
            color: rgba(241, 245, 249, .9);
            font-weight: 500;
            white-space: nowrap;
        }
        .fixed-bar .actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }
        .fixed-bar .btn {
            padding: 9px 22px;
            font-size: .88rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .subtopic-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
            .description-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-banner {
                grid-template-columns: 1fr;
                padding: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-main {
                flex-wrap: wrap;
                gap: 12px;
            }
            .search-box {
                order: 3;
                max-width: 100%;
                width: 100%;
            }
            .nav-cta {
                margin-left: auto;
            }
            .hero {
                min-height: 70vh;
                padding: 60px 20px 48px;
            }
            .data-badges {
                gap: 28px;
            }
            .section {
                padding: 60px 0;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .subtopic-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .hero-btns {
                flex-direction: column;
                gap: 12px;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .fixed-bar .text {
                display: none;
            }
            .fixed-bar .actions {
                justify-content: flex-end;
                width: 100%;
            }
            .nav-categories {
                gap: 20px;
            }
            .cta-form .btn-dark {
                width: 100%;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: article */
:root {
    --bg-primary: #0D1026;
    --bg-secondary: #131734;
    --bg-card-start: #181C3B;
    --bg-card-end: #1E2347;
    --accent-gold: #F59E0B;
    --accent-gold-light: #FBBF24;
    --accent-cyan: #22D3EE;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border-soft: rgba(255,255,255,0.08);
    --border-gold: rgba(245,158,11,0.35);
    --radius-lg: 1.5rem;
    --radius-md: 1rem;
    --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
    --shadow-hover: 0 20px 40px rgba(245,158,11,0.15);
    --shadow-badge: 0 0 20px rgba(245,158,11,0.25);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 72px;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
}
button,
input,
textarea {
    font-family: inherit;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 9999px;
    padding: 12px 28px;
    font-size: 15px;
    line-height: 1;
    transition: all .25s ease;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, #F59E0B, #FBBF24);
    color: #1E2347;
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 8px 24px rgba(245,158,11,0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(245,158,11,0.4);
}
.btn-outline {
    background: transparent;
    color: #F8FAFC;
    border-color: rgba(255,255,255,0.35);
}
.btn-outline:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background: rgba(245,158,11,0.06);
}
.btn-dark {
    background: #0D1026;
    color: #F8FAFC;
    border-color: rgba(255,255,255,0.08);
}
.btn-dark:hover {
    background: #1E2347;
    transform: translateY(-2px);
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(245,158,11,0.3);
    background: rgba(245,158,11,0.08);
    color: #FBBF24;
    border-radius: 9999px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
}
.badge svg {
    flex-shrink: 0;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(13,16,38,0.95);
    border-bottom: 1px solid var(--border-soft);
    backdrop-filter: blur(6px);
}
.nav-main {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 14px 0 10px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, #F8FAFC 0%, #F5D0A9 40%, #F59E0B 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}
.search-box {
    position: relative;
    flex: 1;
    max-width: 520px;
    margin-left: auto;
}
.search-box .icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--accent-gold);
}
.search-box input {
    width: 100%;
    height: 44px;
    border-radius: 9999px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.08);
    padding-left: 46px;
    padding-right: 44px;
    color: #F8FAFC;
    font-size: 14px;
    outline: none;
    transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.search-box input::placeholder {
    color: #64748B;
}
.search-box input:focus {
    border-color: rgba(245,158,11,0.7);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}
.nav-cta {
    margin-left: 0;
}
.nav-categories {
    display: flex;
    gap: 32px;
    align-items: center;
    padding-bottom: 12px;
    font-size: 14px;
    white-space: nowrap;
}
.nav-categories a {
    color: var(--text-secondary);
    position: relative;
    padding: 4px 2px;
    transition: color .25s ease;
}
.nav-categories a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, #F59E0B, #FBBF24);
    transition: width .25s ease;
}
.nav-categories a:hover,
.nav-categories a.active {
    color: #F8FAFC;
}
.nav-categories a:hover::after,
.nav-categories a.active::after {
    width: 100%;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-muted);
    padding: 28px 24px 0;
    max-width: 1200px;
    margin: 0 auto;
}
.breadcrumb a {
    color: var(--text-secondary);
}
.breadcrumb a:hover {
    color: var(--accent-gold);
}
.breadcrumb .sep {
    color: #475569;
}
.breadcrumb .current {
    color: #CBD5E1;
}
.article-wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}
.article-header {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 48px 24px 8px;
}
.article-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    opacity: 0.12;
    pointer-events: none;
}
.article-header > * {
    position: relative;
}
.article-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: 0.01em;
    color: #F8FAFC;
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}
.article-content {
    max-width: 800px;
    margin: 0 auto;
    color: #CBD5E1;
    font-size: 16px;
    line-height: 1.9;
    padding: 32px 0 20px;
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
    color: #F8FAFC;
    font-weight: 700;
    margin-top: 2em;
    margin-bottom: .75em;
}
.article-content h1 {
    font-size: 1.5rem;
    padding-left: 12px;
    border-left: 3px solid var(--accent-gold);
}
.article-content h2 {
    font-size: 1.5rem;
    padding-left: 12px;
    border-left: 3px solid var(--accent-gold);
}
.article-content h3 {
    font-size: 1.25rem;
}
.article-content h4 {
    font-size: 1.1rem;
}
.article-content p {
    margin: 1.4em 0;
}
.article-content a {
    color: var(--accent-gold);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content a:hover {
    color: var(--accent-gold-light);
}
.article-content strong {
    color: #F8FAFC;
    font-weight: 700;
}
.article-content ul {
    list-style: none;
    margin: 1.25em 0;
    padding: 0;
}
.article-content ul li {
    position: relative;
    padding-left: 22px;
    margin: .55em 0;
}
.article-content ul li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: .72em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-gold);
}
.article-content ol {
    margin: 1.25em 0;
    padding-left: 22px;
}
.article-content ol li {
    margin: .55em 0;
    padding-left: 4px;
}
.article-content img {
    border-radius: 1rem;
    margin: 1.5em 0;
    box-shadow: var(--shadow-card);
}
.article-content blockquote {
    border-left: 3px solid var(--accent-gold);
    background: rgba(245,158,11,0.07);
    padding: 1em 1.25em;
    border-radius: 0 1rem 1rem 0;
    margin: 1.5em 0;
    color: #E2E8F0;
}
.article-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245,158,11,0.4), transparent);
    margin: 2rem 0;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 14px;
}
.article-content th,
.article-content td {
    padding: .65em .85em;
    border: 1px solid rgba(255,255,255,0.1);
    text-align: left;
}
.article-content th {
    background: var(--bg-secondary);
    color: #F8FAFC;
    font-weight: 600;
}
.article-content pre {
    background: var(--bg-secondary);
    padding: 1.25em;
    border-radius: 1rem;
    overflow-x: auto;
    margin: 1.5em 0;
    border: 1px solid var(--border-soft);
}
.article-content code {
    background: var(--bg-secondary);
    padding: .2em .4em;
    border-radius: .375rem;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: .9em;
    color: var(--accent-cyan);
}
.article-content pre code {
    background: none;
    padding: 0;
}
.empty-state {
    background: linear-gradient(180deg, #181C3B, #1E2347);
    border: 1px dashed rgba(245,158,11,0.3);
    border-radius: 1.5rem;
    padding: 60px 24px;
    text-align: center;
    max-width: 800px;
    margin: 40px auto;
}
.empty-state p {
    color: #94A3B8;
    font-size: 16px;
    margin-bottom: 24px;
}
.related {
    padding: 64px 0 0;
}
.related h2 {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}
.related h2::before {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, #F59E0B, #FBBF24);
    border-radius: 2px;
    margin: 0 auto 16px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: linear-gradient(180deg, #181C3B, #1E2347);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.related-card:hover {
    transform: translateY(-6px);
    border-color: rgba(245,158,11,0.5);
    box-shadow: var(--shadow-hover);
}
.related-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform .4s ease;
}
.related-card:hover img {
    transform: scale(1.05);
}
.related-card .body {
    padding: 24px;
}
.related-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #F8FAFC;
    margin-bottom: 8px;
}
.related-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}
.related-card .link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-gold);
    transition: gap .2s ease;
}
.related-card:hover .link {
    gap: 10px;
}
.cta-light {
    max-width: 1040px;
    margin: 72px auto 0;
    background: linear-gradient(135deg, #F59E0B, #FBBF24);
    border-radius: 1.5rem;
    padding: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    color: #1E2347;
    box-shadow: 0 12px 36px rgba(245,158,11,0.18);
}
.cta-light .title {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.3;
}
.cta-light .desc {
    margin-top: 8px;
    font-size: 15px;
    opacity: .85;
}
.cta-light .btn-dark {
    flex-shrink: 0;
}
.site-footer {
    background: #0A0C1D;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 80px;
    padding: 56px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-grid h3 {
    font-size: 16px;
    font-weight: 700;
    color: #F8FAFC;
    margin-bottom: 16px;
}
.footer-grid ul {
    list-style: none;
}
.footer-grid ul li {
    margin-bottom: 10px;
}
.footer-grid ul a {
    color: #94A3B8;
    font-size: 14px;
}
.footer-grid ul a:hover {
    color: var(--accent-gold);
}
.brand p {
    color: #94A3B8;
    font-size: 14px;
    margin-top: 14px;
    max-width: 260px;
    line-height: 1.7;
}
.footer-contact p {
    font-size: 14px;
    color: #94A3B8;
    margin-bottom: 10px;
}
.footer-contact strong {
    color: #E2E8F0;
    font-weight: 600;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 20px;
    text-align: center;
    color: #64748B;
    font-size: 13px;
}
.footer-bottom a {
    color: #94A3B8;
}
.footer-bottom a:hover {
    color: var(--accent-gold);
}
.sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    min-height: 64px;
    background: rgba(13,16,38,0.98);
    border-top: 1px solid rgba(245,158,11,0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 40px;
}
.sticky-bar .slogan {
    color: #E2E8F0;
    font-size: 14px;
    font-weight: 500;
}
.sticky-bar .actions {
    display: flex;
    gap: 12px;
}
.sticky-bar .btn {
    padding: 8px 22px;
    font-size: 14px;
}
@media (max-width: 1024px) {
    .nav-main {
        gap: 20px;
    }
    .search-box input {
        height: 42px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .cta-light {
        flex-direction: column;
        text-align: center;
        padding: 40px 28px;
    }
    .related-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}
@media (max-width: 768px) {
    .nav-main {
        flex-wrap: wrap;
        gap: 14px;
    }
    .search-box {
        order: 3;
        flex-basis: 100%;
        max-width: none;
    }
    .nav-cta {
        margin-left: auto;
    }
    .nav-categories {
        gap: 24px;
        font-size: 13px;
        overflow-x: auto;
        padding-bottom: 10px;
        scrollbar-width: none;
    }
    .nav-categories::-webkit-scrollbar {
        display: none;
    }
    .article-header {
        padding-top: 32px;
    }
    .article-meta {
        gap: 8px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .sticky-bar .slogan {
        display: none;
    }
    .sticky-bar {
        justify-content: center;
        padding: 10px 16px;
    }
}
@media (max-width: 520px) {
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    .logo-text {
        font-size: 17px;
    }
    .breadcrumb {
        font-size: 13px;
        padding-top: 20px;
    }
    .article-content {
        font-size: 15px;
    }
    .cta-light {
        padding: 28px 20px;
    }
    .cta-light .title {
        font-size: 20px;
    }
    .related h2 {
        font-size: 22px;
    }
}

/* roulang page: category3 */
:root {
        --bg-primary: #0D1026;
        --bg-secondary: #131734;
        --bg-card-start: #181C3B;
        --bg-card-end: #1E2347;
        --gold: #F59E0B;
        --gold-light: #FBBF24;
        --cyan: #22D3EE;
        --text-main: #E9ECF5;
        --text-sub: #A3AAC2;
        --text-weak: #767C99;
        --radius-lg: 1rem;
        --radius-xl: 1.5rem;
        --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
        --shadow-hover: 0 20px 40px rgba(245,158,11,0.15);
        --shadow-gold: 0 0 20px rgba(245,158,11,0.25);
    }
    * { box-sizing: border-box; }
    html, body { scroll-behavior: smooth; }
    body {
        margin: 0;
        background: var(--bg-primary);
        color: var(--text-main);
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease;
    }
    a:hover { color: var(--gold); }
    img { max-width: 100%; display: block; }
    input, button, textarea, select { font-family: inherit; }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }
    .site-header {
        position: sticky;
        top: 0;
        z-index: 50;
        background: rgba(13,16,38,.95);
        border-bottom: 1px solid rgba(245,158,11,.12);
        backdrop-filter: blur(2px);
    }
    .site-header .container { padding-top: 0; padding-bottom: 0; }
    .nav-main {
        display: flex;
        align-items: center;
        gap: 28px;
        min-height: 72px;
        flex-wrap: nowrap;
    }
    .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .logo-text {
        font-size: 22px;
        font-weight: 800;
        letter-spacing: .5px;
        background: linear-gradient(120deg, #FDE68A, #F59E0B 45%, #FBBF24 70%, #FFF7D6);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: transparent;
        white-space: nowrap;
    }
    .search-box {
        flex: 1;
        max-width: 520px;
        min-width: 260px;
        display: flex;
        align-items: center;
        gap: 10px;
        height: 44px;
        padding: 0 18px;
        border-radius: 9999px;
        background: rgba(255,255,255,.08);
        border: 1px solid transparent;
        transition: border-color .25s, box-shadow .25s;
    }
    .search-box:focus-within {
        border-color: var(--gold);
        box-shadow: 0 0 0 3px rgba(245,158,11,.15);
    }
    .search-box .icon { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; }
    .search-box input {
        flex: 1;
        background: transparent;
        border: none;
        outline: none;
        color: var(--text-main);
        font-size: 14px;
    }
    .search-box input::placeholder { color: #7B829E; }
    .nav-cta { flex-shrink: 0; }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px 22px;
        border-radius: 9999px;
        font-size: 14px;
        font-weight: 600;
        line-height: 1.4;
        cursor: pointer;
        border: none;
        transition: all .25s ease;
    }
    .btn-primary {
        background: linear-gradient(135deg, #F59E0B, #FBBF24);
        color: #1A1A2E;
        white-space: nowrap;
    }
    .btn-primary:hover {
        transform: translateY(-1px);
        box-shadow: 0 8px 24px rgba(245,158,11,.3);
        color: #1A1A2E;
    }
    .btn-outline {
        background: transparent;
        border: 1px solid rgba(255,255,255,.4);
        color: #fff;
        white-space: nowrap;
    }
    .btn-outline:hover {
        border-color: var(--gold);
        color: var(--gold);
        background: rgba(245,158,11,.06);
        transform: translateY(-1px);
    }
    .btn-dark {
        background: #0D1026;
        color: #fff;
        border: 1px solid rgba(255,255,255,.15);
    }
    .btn-dark:hover {
        background: #1E2347;
        color: var(--gold);
        border-color: var(--gold);
    }
    .nav-categories {
        display: flex;
        align-items: center;
        gap: 30px;
        padding: 12px 0 14px;
        border-top: 1px solid rgba(255,255,255,.04);
        white-space: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
    }
    .nav-categories::-webkit-scrollbar { display: none; }
    .nav-categories a {
        font-size: 14px;
        color: var(--text-sub);
        position: relative;
        padding-bottom: 4px;
        transition: color .2s;
    }
    .nav-categories a::after {
        content: "";
        position: absolute;
        left: 0; bottom: 0;
        width: 100%; height: 2px;
        background: linear-gradient(90deg, var(--gold), var(--gold-light));
        border-radius: 2px;
        transform: scaleX(0);
        transform-origin: center;
        transition: transform .25s ease;
    }
    .nav-categories a:hover { color: var(--gold); }
    .nav-categories a:hover::after { transform: scaleX(1); }
    .nav-categories a.active { color: #fff; }
    .nav-categories a.active::after { transform: scaleX(1); }
    .page-hero {
        position: relative;
        padding: 80px 0 70px;
        background: linear-gradient(135deg, #0D1026, #131C4A 45%, #2B1E4A 75%, #3D2817);
        overflow: hidden;
    }
    .page-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
        background-size: 44px 44px;
        pointer-events: none;
    }
    .page-hero::after {
        content: "";
        position: absolute;
        right: -120px;
        top: -120px;
        width: 420px;
        height: 420px;
        background: radial-gradient(circle, rgba(245,158,11,.22), transparent 65%);
        pointer-events: none;
    }
    .page-hero .hero-inner {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1.15fr .85fr;
        gap: 56px;
        align-items: center;
    }
    .hero-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--text-weak);
        margin-bottom: 18px;
    }
    .hero-breadcrumb a { color: #8A91AD; }
    .hero-breadcrumb a:hover { color: var(--gold); }
    .hero-breadcrumb .sep { opacity: .5; }
    .page-hero h1 {
        font-size: 40px;
        line-height: 1.3;
        font-weight: 800;
        margin: 0 0 16px;
        letter-spacing: .5px;
        color: #fff;
    }
    .page-hero h1 span { color: var(--gold); }
    .page-hero p.lead {
        font-size: 16px;
        color: var(--text-sub);
        max-width: 540px;
        margin: 0 0 28px;
    }
    .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }
    .hero-meta .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        border-radius: 9999px;
        background: rgba(245,158,11,.12);
        border: 1px solid rgba(245,158,11,.3);
        color: #FCD34D;
        font-size: 13px;
        font-weight: 500;
    }
    .hero-visual {
        position: relative;
        z-index: 2;
        border-radius: var(--radius-xl);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid rgba(255,255,255,.08);
        background: var(--bg-secondary);
    }
    .hero-visual img {
        width: 100%;
        height: 300px;
        object-fit: cover;
        display: block;
    }
    .section { padding: 80px 0; }
    .section-alt { background: var(--bg-secondary); }
    .section-header {
        text-align: center;
        max-width: 680px;
        margin: 0 auto 52px;
    }
    .section-header .line {
        width: 42px;
        height: 3px;
        background: linear-gradient(90deg, var(--gold), var(--gold-light));
        border-radius: 3px;
        margin: 0 auto 18px;
    }
    .section-header h2 {
        font-size: 32px;
        font-weight: 800;
        line-height: 1.35;
        margin: 0 0 14px;
        color: #fff;
        letter-spacing: .5px;
    }
    .section-header p {
        font-size: 15px;
        color: var(--text-sub);
        margin: 0;
        line-height: 1.8;
    }
    .topic-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    .topic-card {
        border-radius: var(--radius-xl);
        background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
        border: 1px solid rgba(255,255,255,.06);
        box-shadow: var(--shadow-card);
        padding: 28px 30px;
        display: flex;
        gap: 18px;
        align-items: flex-start;
        transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .topic-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(245,158,11,.55);
    }
    .topic-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(245,158,11,.12);
        border: 1px solid rgba(245,158,11,.25);
        flex-shrink: 0;
    }
    .topic-icon svg { width: 24px; height: 24px; color: var(--gold); }
    .topic-copy h3 {
        font-size: 18px;
        font-weight: 700;
        margin: 0 0 8px;
        color: #fff;
    }
    .topic-copy p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.75;
        margin: 0 0 10px;
    }
    .topic-copy .link-detail {
        font-size: 13px;
        color: var(--gold);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap .2s;
    }
    .topic-copy .link-detail:hover { gap: 8px; }
    .scene-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .scene-item {
        background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
        border: 1px solid rgba(255,255,255,.06);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        transition: all .25s ease;
    }
    .scene-item:hover {
        border-color: rgba(245,158,11,.45);
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }
    .scene-num {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(245,158,11,.14);
        border: 1px solid rgba(245,158,11,.4);
        color: var(--gold);
        font-weight: 700;
        font-size: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        box-shadow: var(--shadow-gold);
    }
    .scene-item h3 {
        font-size: 17px;
        font-weight: 700;
        margin: 0 0 10px;
        color: #fff;
    }
    .scene-item p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.75;
        margin: 0;
    }
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }
    .faq-item {
        background: linear-gradient(180deg, var(--bg-card-start), var(--bg-card-end));
        border: 1px solid rgba(255,255,255,.06);
        border-radius: var(--radius-lg);
        margin-bottom: 16px;
        overflow: hidden;
        transition: border-color .25s ease;
    }
    .faq-item.active {
        border-color: rgba(245,158,11,.4);
        background: var(--bg-secondary);
    }
    .faq-q {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        cursor: pointer;
        font-size: 16px;
        color: #fff;
        font-weight: 600;
        user-select: none;
        transition: color .2s;
    }
    .faq-q:hover { color: var(--gold); }
    .faq-icon {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        border: 1px solid rgba(245,158,11,.4);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-size: 18px;
        font-weight: 300;
        transition: transform .3s ease, background .2s;
        flex-shrink: 0;
    }
    .faq-item.active .faq-icon {
        transform: rotate(45deg);
        background: rgba(245,158,11,.15);
    }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease;
        color: var(--text-sub);
        font-size: 14px;
        line-height: 1.8;
        border-left: 3px solid transparent;
    }
    .faq-item.active .faq-a {
        max-height: 300px;
        border-left-color: var(--gold);
        padding: 0 24px 20px 24px;
    }
    .cta-banner {
        border-radius: 24px;
        background: linear-gradient(120deg, #F59E0B, #FBBF24 55%, #FCD34D);
        padding: 48px 50px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
        box-shadow: 0 16px 48px rgba(245,158,11,.2);
        margin: 80px 0;
    }
    .cta-banner h2 {
        font-size: 26px;
        font-weight: 800;
        color: #1A1A2E;
        margin: 0 0 10px;
        line-height: 1.35;
    }
    .cta-banner .sub { color: #3D2C10; font-size: 14px; line-height: 1.7; margin: 0; }
    .cta-banner form { display: flex; flex-direction: column; gap: 12px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .form-input {
        padding: 12px 16px;
        border-radius: 12px;
        border: 1px solid rgba(13,16,38,.2);
        background: rgba(13,16,38,.35);
        color: #1A1A2E;
        font-size: 14px;
        outline: none;
        transition: border-color .2s, box-shadow .2s;
        width: 100%;
    }
    .form-input::placeholder { color: rgba(26,26,46,.55); }
    .form-input:focus {
        border-color: #0D1026;
        box-shadow: 0 0 0 3px rgba(13,16,38,.15);
        background: rgba(255,255,255,.55);
    }
    textarea.form-input { min-height: 72px; resize: vertical; }
    .privacy-note { font-size: 12px; color: rgba(26,26,46,.6); margin: 4px 0 0; }
    .site-footer {
        background: #0A0C1D;
        border-top: 1px solid rgba(245,158,11,.1);
        padding: 64px 0 0;
        margin-bottom: 72px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 40px;
    }
    .site-footer .logo { margin-bottom: 14px; }
    .site-footer .brand p {
        font-size: 14px;
        color: var(--text-weak);
        line-height: 1.7;
        max-width: 260px;
        margin: 0;
    }
    .site-footer h3 {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin: 0 0 18px;
    }
    .site-footer ul { list-style: none; padding: 0; margin: 0; }
    .site-footer ul li { margin-bottom: 10px; }
    .site-footer ul li a {
        font-size: 14px;
        color: var(--text-weak);
        transition: color .2s;
    }
    .site-footer ul li a:hover { color: var(--gold); }
    .footer-contact p {
        font-size: 14px;
        color: var(--text-weak);
        margin: 0 0 10px;
        line-height: 1.6;
    }
    .footer-contact strong { color: var(--text-main); margin-right: 6px; }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,.05);
        padding: 20px 0;
        text-align: center;
    }
    .footer-bottom p {
        font-size: 13px;
        color: var(--text-weak);
        margin: 0;
    }
    .footer-bottom a { color: #8A91AD; }
    .footer-bottom a:hover { color: var(--gold); }
    .bottom-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 40;
        height: 72px;
        background: #0D1026;
        border-top: 1px solid rgba(245,158,11,.3);
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 0 24px;
    }
    .bottom-bar .bar-text {
        flex: 1;
        font-size: 14px;
        color: var(--text-sub);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .bottom-bar .bar-actions { display: flex; gap: 12px; }
    .bottom-bar .btn { padding: 8px 18px; font-size: 13px; }
    @media (max-width: 1024px) {
        .page-hero .hero-inner { grid-template-columns: 1fr; gap: 36px; }
        .page-hero h1 { font-size: 32px; }
        .topic-grid { grid-template-columns: 1fr 1fr; }
        .scene-grid { grid-template-columns: 1fr 1fr; }
        .cta-banner { grid-template-columns: 1fr; padding: 36px 32px; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }
    @media (max-width: 768px) {
        .nav-main { flex-wrap: wrap; gap: 12px; padding: 12px 0; }
        .nav-main .logo { flex: 1; }
        .nav-cta .btn { padding: 8px 16px; font-size: 13px; }
        .search-box { order: 3; max-width: 100%; width: 100%; }
        .nav-categories { gap: 20px; padding: 10px 0 12px; }
        .nav-categories a { font-size: 13px; }
        .page-hero { padding: 56px 0 48px; }
        .page-hero h1 { font-size: 28px; }
        .section { padding: 56px 0; }
        .section-header h2 { font-size: 26px; }
        .topic-grid { grid-template-columns: 1fr; }
        .scene-grid { grid-template-columns: 1fr; }
        .form-row { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr; }
        .bottom-bar { padding: 0 16px; }
        .bottom-bar .bar-text { display: none; }
        .bottom-bar .bar-actions { flex: 1; justify-content: flex-end; }
    }
    @media (max-width: 520px) {
        .container { padding-left: 16px; padding-right: 16px; }
        .page-hero h1 { font-size: 24px; }
        .hero-visual img { height: 220px; }
        .cta-banner { padding: 28px 20px; }
        .cta-banner h2 { font-size: 22px; }
        .site-footer { padding-top: 48px; }
    }

/* roulang page: category2 */
:root {
    --bg-primary: #0D1026;
    --bg-secondary: #131734;
    --bg-card-top: #181C3B;
    --bg-card-bottom: #1E2347;
    --gold: #F59E0B;
    --gold-light: #FBBF24;
    --gold-dark: #D97706;
    --cyan: #22D3EE;
    --text-primary: #F3F4F6;
    --text-secondary: #A0A7C0;
    --text-muted: #6B7280;
    --border-soft: rgba(255,255,255,0.08);
    --radius-xl: 1.5rem;
    --radius-lg: 1rem;
    --radius-md: 0.75rem;
    --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
    --shadow-hover: 0 20px 40px rgba(245,158,11,0.15);
    --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    padding-bottom: 72px;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold); }
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 24px; border-radius: 9999px;
    font-size: 15px; font-weight: 600;
    cursor: pointer; transition: var(--transition);
    border: 1px solid transparent; line-height: 1.4;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #1A1A24; box-shadow: 0 4px 16px rgba(245,158,11,0.25);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245,158,11,0.35);
}
.btn-outline {
    border-color: rgba(255,255,255,0.35);
    color: #F3F4F6; background: transparent;
}
.btn-outline:hover {
    border-color: var(--gold); color: var(--gold);
    background: rgba(245,158,11,0.08);
}
.btn-dark {
    background: #1A1A24; color: #F3F4F6;
    border-radius: 9999px; padding: 12px 28px;
    font-weight: 600; transition: var(--transition);
    border: 1px solid transparent;
}
.btn-dark:hover {
    background: #0D1026; color: var(--gold-light);
    transform: translateY(-2px);
}

.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(13,16,38,0.95);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-main {
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; padding: 14px 0; flex-wrap: wrap;
}
.logo {
    display: inline-flex; align-items: center; gap: 10px;
    flex-shrink: 0;
}
.logo-text {
    font-size: 22px; font-weight: 800;
    background: linear-gradient(90deg, #FFFFFF, var(--gold-light));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}
.search-box {
    display: flex; align-items: center;
    flex: 0 1 480px; height: 44px;
    background: rgba(255,255,255,0.08);
    border-radius: 9999px; padding: 0 16px; gap: 10px;
    border: 1px solid transparent;
    transition: var(--transition);
}
.search-box:focus-within {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
    background: rgba(255,255,255,0.10);
}
.search-box .icon { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; }
.search-box input {
    width: 100%; background: transparent; border: none; outline: none;
    color: var(--text-primary); font-size: 14px;
}
.search-box input::placeholder { color: rgba(255,255,255,0.45); }
.nav-cta { flex-shrink: 0; }
.nav-categories {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 0 12px;
    overflow-x: auto; scrollbar-width: none;
    width: 100%;
}
.nav-categories::-webkit-scrollbar { display: none; }
.nav-categories a {
    font-size: 14px; color: var(--text-secondary);
    padding: 6px 14px; border-radius: 9999px;
    white-space: nowrap; position: relative;
}
.nav-categories a:hover { color: var(--gold); }
.nav-categories a.active { color: var(--gold); }
.nav-categories a.active::after {
    content: ''; position: absolute; left: 14px; right: 14px; bottom: 0;
    height: 2px; background: var(--gold); border-radius: 2px;
}

.category-hero {
    position: relative;
    padding: 88px 0 64px;
    background:
        linear-gradient(135deg, #0D1026 0%, #1E1B4B 45%, #3B1660 80%, rgba(245,158,11,0.25) 130%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    background-blend-mode: normal;
    text-align: center;
    overflow: hidden;
}
.category-hero::before {
    content: ''; position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 70vw; height: 70vh;
    background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 65%);
    pointer-events: none;
}
.category-hero::after {
    content: ''; position: absolute; bottom: -20px; left: -80px;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(245,158,11,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.category-hero .container { position: relative; z-index: 1; }
.category-hero .badge {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 9999px;
    border: 1px solid rgba(245,158,11,0.5);
    background: rgba(245,158,11,0.12);
    color: var(--gold-light);
    font-size: 13px;
    letter-spacing: 1px;
    margin-bottom: 18px;
}
.category-hero h1 {
    font-size: 42px; font-weight: 800;
    letter-spacing: 2px; margin-bottom: 16px;
    line-height: 1.3;
}
.category-hero .subtitle {
    font-size: 17px; color: var(--text-secondary);
    max-width: 640px; margin: 0 auto 40px;
    line-height: 1.7;
}
.hero-badge-row {
    display: flex; justify-content: center; gap: 40px;
    flex-wrap: wrap;
}
.hero-badge { text-align: center; }
.hero-badge .num {
    font-size: 36px; font-weight: 800;
    color: var(--gold);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 20px rgba(245,158,11,0.25);
}
.hero-badge .label {
    font-size: 13px; color: var(--text-secondary);
    margin-top: 4px;
}

.section { padding: 68px 0; }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head .deco {
    width: 56px; height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 0 auto 14px; border-radius: 4px;
}
.section-head h2 {
    font-size: 30px; font-weight: 700;
    letter-spacing: 1px;
}
.section-head p {
    color: var(--text-secondary); font-size: 15px;
    margin-top: 10px; max-width: 640px;
    margin-left: auto; margin-right: auto;
}

.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.service-card {
    display: flex; gap: 20px;
    padding: 24px;
    background: linear-gradient(180deg, var(--bg-card-top), var(--bg-card-bottom));
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}
.service-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(245,158,11,0.4);
    transform: translateY(-4px);
}
.service-card .thumb {
    width: 96px; height: 96px;
    border-radius: var(--radius-md);
    object-fit: cover; flex-shrink: 0;
}
.service-card .card-body { flex: 1; min-width: 0; }
.service-card .tag {
    display: inline-block;
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 9999px;
    background: rgba(34,211,238,0.12);
    color: var(--cyan);
    margin-bottom: 8px;
    font-weight: 500;
}
.service-card h3 {
    font-size: 17px; font-weight: 600;
    margin-bottom: 8px; color: #FFFFFF;
}
.service-card p {
    font-size: 14px; color: var(--text-secondary);
    line-height: 1.7; margin-bottom: 12px;
}
.service-card .link {
    font-size: 14px; color: var(--gold);
    display: inline-flex; align-items: center; gap: 6px;
}
.service-card .link:hover { color: var(--gold-light); }
.service-card .link svg { width: 14px; height: 14px; }

.steps-section {
    background: var(--bg-secondary);
    padding: 68px 0;
    position: relative;
}
.steps-section::before {
    content: ''; position: absolute; inset: 0;
    background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    opacity: 0.15;
    pointer-events: none;
}
.steps-section .container { position: relative; z-index: 1; }
.steps-list {
    display: flex; justify-content: center;
    align-items: flex-start; gap: 48px;
    flex-wrap: wrap;
}
.step-item { flex: 0 1 280px; text-align: center; }
.step-num {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #1A1A24;
    font-size: 18px; font-weight: 800;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 0 20px rgba(245,158,11,0.25);
}
.step-item h3 {
    font-size: 17px; font-weight: 600;
    margin-bottom: 8px;
}
.step-item p {
    font-size: 14px; color: var(--text-secondary);
    line-height: 1.7;
}

.faq-section { background: var(--bg-primary); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, var(--bg-card-top), var(--bg-card-bottom));
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item.active {
    border-color: rgba(245,158,11,0.35);
    background: var(--bg-secondary);
}
.faq-q {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; padding: 18px 20px;
    background: transparent; border: none;
    color: #FFFFFF; font-size: 16px;
    font-weight: 500; text-align: left;
    cursor: pointer; gap: 16px;
}
.faq-q .plus {
    width: 28px; height: 28px;
    border-radius: 50%; flex-shrink: 0;
    border: 1px solid rgba(245,158,11,0.4);
    position: relative;
    transition: var(--transition);
}
.faq-q .plus::before,
.faq-q .plus::after {
    content: ''; position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gold); border-radius: 2px;
}
.faq-q .plus::before { width: 12px; height: 2px; }
.faq-q .plus::after { width: 2px; height: 12px; }
.faq-item.active .plus { transform: rotate(45deg); background: rgba(245,158,11,0.15); }
.faq-a {
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-a-inner {
    padding: 0 20px 18px;
    color: var(--text-secondary);
    font-size: 14px; line-height: 1.8;
    border-left: 3px solid var(--gold);
    margin-left: 20px;
}
.faq-item.active .faq-a { max-height: 300px; }

.cta-section { padding: 68px 0 80px; }
.cta-banner {
    background: linear-gradient(135deg, #F59E0B, #FBBF24 50%, #D97706);
    border-radius: var(--radius-xl);
    padding: 44px;
    display: grid; grid-template-columns: 1fr 1.1fr;
    align-items: center; gap: 40px;
    box-shadow: 0 20px 60px rgba(245,158,11,0.25);
}
.cta-info h2 {
    font-size: 26px; font-weight: 800;
    color: #1A1A24; margin-bottom: 10px;
    line-height: 1.4;
}
.cta-info p {
    font-size: 15px; color: rgba(26,26,36,0.75);
    line-height: 1.7;
}
.cta-form {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.cta-form .full { grid-column: 1 / -1; }
.cta-form input,
.cta-form textarea {
    width: 100%; padding: 12px 14px;
    border-radius: var(--radius-md);
    border: none;
    background: rgba(0,0,0,0.18);
    color: #1A1A24;
    font-size: 14px; outline: none;
    transition: var(--transition);
}
.cta-form input::placeholder { color: rgba(26,26,36,0.55); }
.cta-form textarea::placeholder { color: rgba(26,26,36,0.55); }
.cta-form input:focus,
.cta-form textarea:focus {
    box-shadow: 0 0 0 3px rgba(255,255,255,0.35);
    background: rgba(255,255,255,0.3);
}
.cta-form textarea {
    min-height: 64px; resize: vertical;
}
.cta-form .btn-dark {
    background: #1A1A24; color: #FFFFFF;
    border-radius: 9999px; padding: 12px 28px;
    font-weight: 600; font-size: 15px;
    cursor: pointer; border: none;
    transition: var(--transition);
}
.cta-form .btn-dark:hover {
    background: #0D1026; color: var(--gold-light);
    transform: translateY(-2px);
}
.privacy-note {
    grid-column: 1 / -1;
    font-size: 12px; color: rgba(26,26,36,0.6);
    text-align: center;
    margin-top: 2px;
}

.site-footer {
    background: #0A0C1D;
    padding-top: 56px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 36px;
    padding-bottom: 40px;
}
.footer-grid h3 {
    font-size: 15px; font-weight: 600;
    color: #FFFFFF; margin-bottom: 14px;
}
.footer-grid ul { list-style: none; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-grid ul a {
    font-size: 14px; color: var(--text-secondary);
}
.footer-grid ul a:hover { color: var(--gold); }
.footer-grid p {
    font-size: 14px; color: var(--text-secondary);
    line-height: 1.7;
}
.footer-grid .brand p { margin-top: 12px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 18px 0; text-align: center;
    font-size: 13px; color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--gold); }

.bottom-bar {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
    background: rgba(13,16,38,0.98);
    border-top: 1px solid rgba(245,158,11,0.35);
    padding: 12px 20px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px;
}
.bottom-bar p {
    font-size: 14px; color: var(--text-secondary);
    white-space: nowrap;
}
.bottom-bar .btn { padding: 8px 20px; font-size: 14px; }
.bottom-bar .btn + .btn { margin-left: 10px; }

@media (max-width: 1024px) {
    .nav-main { gap: 14px; }
    .search-box { flex: 1 1 100%; order: 3; margin-top: 4px; }
    .nav-cta { order: 2; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .category-hero h1 { font-size: 32px; }
    .section-head h2 { font-size: 26px; }
    .service-grid { grid-template-columns: 1fr; }
    .step-item { flex: 1 1 220px; }
    .cta-banner {
        grid-template-columns: 1fr;
        padding: 32px; text-align: center;
    }
    .cta-form { text-align: left; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-grid h3 { margin-bottom: 10px; }
}

@media (max-width: 520px) {
    body { padding-bottom: 64px; }
    .category-hero { padding: 56px 0 48px; }
    .category-hero h1 { font-size: 26px; letter-spacing: 1px; }
    .category-hero .subtitle { font-size: 15px; }
    .hero-badge-row { gap: 20px; }
    .hero-badge .num { font-size: 28px; }
    .service-card { flex-direction: column; }
    .service-card .thumb { width: 100%; height: 140px; }
    .cta-banner { padding: 24px 20px; }
    .cta-form { grid-template-columns: 1fr; }
    .cta-form .full { grid-column: 1; }
    .bottom-bar { justify-content: flex-end; padding: 10px 16px; }
    .bottom-bar p { display: none; }
    .logo-text { font-size: 19px; }
    .nav-cta .btn { padding: 8px 16px; font-size: 14px; }
    .section { padding: 48px 0; }
    .section-head h2 { font-size: 24px; }
}