/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b2d;
            --primary-light: #1a2d4a;
            --secondary: #c9a84c;
            --secondary-light: #dbb85c;
            --secondary-dark: #b8922e;
            --accent: #e8b830;
            --bg: #f5f3ef;
            --bg-card: #ffffff;
            --bg-dark: #0a1420;
            --text: #1f2937;
            --text-light: #6b7280;
            --text-white: #f9fafb;
            --border: #e5e7eb;
            --border-light: #f0eee8;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
            --radius: 12px;
            --radius-lg: 20px;
            --radius-full: 50px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container: 1200px;
            --gap: 32px;
            --header-height: 80px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary-dark); }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; color: var(--primary); font-weight: 700; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
        p { margin-bottom: 1rem; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

        /* ===== 背景图片预加载 ===== */
        .hero-bg { background-image: url('/assets/images/backpic/back-1.png'); }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            background: rgba(15, 27, 45, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(201, 168, 76, 0.15);
            height: var(--header-height);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(15, 27, 45, 0.98); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px;
        }
        .logo {
            font-size: 1.5rem; font-weight: 800; color: var(--text-white);
            letter-spacing: 0.5px; display: flex; align-items: center; gap: 8px;
        }
        .logo i { color: var(--secondary); font-size: 1.6rem; }
        .logo span { background: linear-gradient(135deg, var(--secondary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-list {
            display: flex; align-items: center; gap: 8px;
        }
        .nav-list > li { position: relative; }
        .nav-list > li > a {
            display: flex; align-items: center; gap: 6px;
            padding: 10px 20px; border-radius: var(--radius-full);
            color: rgba(255,255,255,0.8); font-weight: 500; font-size: 0.95rem;
            transition: var(--transition); position: relative;
        }
        .nav-list > li > a:hover,
        .nav-list > li > a.active {
            color: var(--text-white); background: rgba(201, 168, 76, 0.12);
        }
        .nav-list > li > a.active::after {
            content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 3px; background: var(--secondary); border-radius: 4px;
        }
        .nav-list > li > a i { font-size: 0.8rem; color: var(--secondary); }

        /* Mega Dropdown */
        .mega-dropdown {
            position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
            width: 480px; background: var(--bg-card); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg); padding: 24px; opacity: 0; visibility: hidden;
            transition: var(--transition); border: 1px solid var(--border);
            display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
            z-index: 100;
        }
        .nav-list > li:hover .mega-dropdown { opacity: 1; visibility: visible; top: calc(100% + 8px); }
        .mega-dropdown-item {
            display: flex; flex-direction: column; gap: 4px; padding: 12px 16px;
            border-radius: var(--radius); background: var(--bg); transition: var(--transition);
        }
        .mega-dropdown-item:hover { background: rgba(201,168,76,0.08); transform: translateY(-2px); }
        .mega-dropdown-item .md-title {
            font-weight: 600; color: var(--primary); font-size: 0.95rem;
        }
        .mega-dropdown-item .md-desc {
            font-size: 0.82rem; color: var(--text-light);
        }
        .mega-dropdown-item i { color: var(--secondary); margin-right: 6px; }

        /* Hamburger */
        .hamburger {
            display: none; flex-direction: column; gap: 5px; cursor: pointer;
            background: none; border: none; padding: 8px; z-index: 1100;
        }
        .hamburger span {
            width: 28px; height: 2.5px; background: var(--text-white); border-radius: 4px;
            transition: var(--transition); display: block;
        }
        .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.open span:nth-child(2) { opacity: 0; }
        .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh; display: flex; align-items: center; justify-content: center;
            position: relative; overflow: hidden; padding: 120px 24px 80px;
            background: var(--primary);
        }
        .hero-bg {
            position: absolute; inset: 0; background-size: cover; background-position: center;
            opacity: 0.3; mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(15,27,45,0.88) 0%, rgba(15,27,45,0.6) 50%, rgba(10,20,32,0.9) 100%);
        }
        .hero-content {
            position: relative; z-index: 2; text-align: center; max-width: 800px;
        }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.3);
            padding: 8px 24px; border-radius: var(--radius-full);
            color: var(--secondary); font-size: 0.85rem; font-weight: 600;
            margin-bottom: 28px; letter-spacing: 1px; text-transform: uppercase;
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 {
            color: var(--text-white); font-weight: 800; margin-bottom: 16px;
            line-height: 1.15;
        }
        .hero h1 span { background: linear-gradient(135deg, var(--secondary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p {
            color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 600px;
            margin: 0 auto 36px; line-height: 1.7;
        }
        .hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 36px; border-radius: var(--radius-full); font-weight: 600;
            font-size: 0.95rem; border: none; cursor: pointer; transition: var(--transition);
            text-decoration: none; letter-spacing: 0.3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            color: var(--primary); box-shadow: 0 8px 24px rgba(201,168,76,0.35);
        }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(201,168,76,0.45); color: var(--primary); }
        .btn-outline {
            background: transparent; border: 2px solid rgba(255,255,255,0.25);
            color: var(--text-white);
        }
        .btn-outline:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-3px); }
        .btn i { font-size: 0.9rem; }

        /* Hero 底部波浪装饰 */
        .hero-wave {
            position: absolute; bottom: 0; left: 0; width: 100%; height: 80px;
            background: var(--bg); border-radius: 60% 60% 0 0 / 100% 100% 0 0;
            z-index: 2;
        }

        /* ===== 通用板块 ===== */
        .section { padding: 80px 0; }
        .section-header { text-align: center; margin-bottom: 56px; }
        .section-header h2 { margin-bottom: 12px; }
        .section-header p { color: var(--text-light); max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
        .section-label {
            display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 2px;
            text-transform: uppercase; color: var(--secondary); margin-bottom: 12px;
        }

        /* ===== 核心优势 ===== */
        .features-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
        }
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius); padding: 36px 28px;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            transition: var(--transition); text-align: center;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(201,168,76,0.2); }
        .feature-icon {
            width: 64px; height: 64px; border-radius: 16px;
            background: linear-gradient(135deg, rgba(201,168,76,0.1), rgba(201,168,76,0.05));
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 20px; font-size: 1.6rem; color: var(--secondary);
        }
        .feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
        .feature-card p { color: var(--text-light); font-size: 0.92rem; margin-bottom: 0; }

        /* ===== 分类入口 ===== */
        .category-section { background: var(--primary); }
        .category-section .section-header h2 { color: var(--text-white); }
        .category-section .section-header p { color: rgba(255,255,255,0.6); }
        .category-section .section-label { color: var(--accent); }
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
        .category-card {
            background: rgba(255,255,255,0.05); border-radius: var(--radius-lg);
            padding: 32px; border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition); display: flex; align-items: center; gap: 24px;
            backdrop-filter: blur(4px);
        }
        .category-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(201,168,76,0.3); transform: translateY(-4px); }
        .category-card .cc-img {
            width: 120px; height: 90px; border-radius: var(--radius);
            object-fit: cover; flex-shrink: 0;
            background: var(--primary-light);
        }
        .category-card .cc-body h3 { color: var(--text-white); font-size: 1.15rem; margin-bottom: 6px; }
        .category-card .cc-body p { color: rgba(255,255,255,0.6); font-size: 0.88rem; margin-bottom: 12px; }
        .category-card .cc-body .tag {
            display: inline-block; padding: 4px 14px; border-radius: var(--radius-full);
            background: rgba(201,168,76,0.15); color: var(--secondary);
            font-size: 0.75rem; font-weight: 600;
        }

        /* ===== 最新资讯 ===== */
        .news-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
        }
        .news-card {
            background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .news-card .nc-img {
            width: 100%; height: 180px; object-fit: cover;
            background: var(--primary-light);
        }
        .news-card .nc-body { padding: 20px 24px 24px; }
        .news-card .nc-body .tag {
            display: inline-block; padding: 3px 12px; border-radius: var(--radius-full);
            background: rgba(201,168,76,0.1); color: var(--secondary);
            font-size: 0.7rem; font-weight: 600; margin-bottom: 10px;
        }
        .news-card .nc-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .news-card .nc-body h3 a { color: var(--primary); }
        .news-card .nc-body h3 a:hover { color: var(--secondary); }
        .news-card .nc-body p { color: var(--text-light); font-size: 0.88rem; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-card .nc-body .nc-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-light); }
        .news-card .nc-body .nc-meta i { margin-right: 4px; }
        .empty-msg { text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 1.05rem; grid-column: 1 / -1; }

        /* ===== 使用流程 ===== */
        .process-section { background: var(--bg-card); }
        .process-steps { display: flex; gap: 0; position: relative; justify-content: space-between; }
        .process-steps::before {
            content: ''; position: absolute; top: 40px; left: 10%; right: 10%;
            height: 3px; background: linear-gradient(90deg, var(--secondary), var(--accent), var(--secondary));
            border-radius: 4px; z-index: 0;
        }
        .process-step {
            text-align: center; position: relative; z-index: 1; flex: 1;
            padding: 0 12px;
        }
        .process-step .step-num {
            width: 80px; height: 80px; border-radius: 50%;
            background: var(--bg); border: 3px solid var(--secondary);
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 20px; font-size: 1.5rem; font-weight: 800; color: var(--secondary);
            transition: var(--transition);
        }
        .process-step:hover .step-num { background: var(--secondary); color: var(--primary); transform: scale(1.08); }
        .process-step h3 { font-size: 1rem; margin-bottom: 6px; }
        .process-step p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== 平台数据 ===== */
        .stats-section {
            background: var(--primary); position: relative; overflow: hidden;
        }
        .stats-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover;
            opacity: 0.08; mix-blend-mode: overlay;
        }
        .stats-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
            position: relative; z-index: 1;
        }
        .stat-item { text-align: center; }
        .stat-item .stat-num {
            font-size: 2.8rem; font-weight: 800; color: var(--secondary);
            line-height: 1.1; margin-bottom: 6px;
        }
        .stat-item .stat-label { color: rgba(255,255,255,0.65); font-size: 0.95rem; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius);
            border: 1px solid var(--border); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(201,168,76,0.2); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: 20px 24px; cursor: pointer; font-weight: 600; color: var(--primary);
            font-size: 1rem; background: none; border: none; width: 100%; text-align: left;
            transition: var(--transition);
        }
        .faq-question i { color: var(--secondary); transition: var(--transition); font-size: 0.85rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px; color: var(--text-light); font-size: 0.92rem;
            display: none; line-height: 1.7;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            text-align: center; padding: 80px 24px;
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover;
            opacity: 0.06; mix-blend-mode: overlay;
        }
        .cta-content { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
        .cta-content h2 { color: var(--text-white); margin-bottom: 16px; }
        .cta-content p { color: rgba(255,255,255,0.7); margin-bottom: 32px; font-size: 1.05rem; }
        .cta-content .btn { font-size: 1.05rem; padding: 16px 44px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.7);
            padding: 48px 24px 32px;
        }
        .footer-inner {
            max-width: var(--container); margin: 0 auto;
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
        }
        .footer-brand .logo { margin-bottom: 12px; }
        .footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.5); max-width: 300px; }
        .footer-col h4 { color: var(--text-white); font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 0.88rem; }
        .footer-col ul li a:hover { color: var(--secondary); }
        .footer-bottom {
            max-width: var(--container); margin: 40px auto 0;
            padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06);
            display: flex; justify-content: space-between; align-items: center;
            font-size: 0.82rem; color: rgba(255,255,255,0.35);
        }
        .footer-bottom a { color: rgba(255,255,255,0.4); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
            .process-steps { flex-wrap: wrap; gap: 32px; }
            .process-steps::before { display: none; }
            .process-step { flex: 0 0 calc(50% - 16px); }
        }
        @media (max-width: 768px) {
            :root { --header-height: 68px; }
            .hamburger { display: flex; }
            .nav-list {
                position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
                background: var(--primary); flex-direction: column; padding: 80px 24px 24px;
                transition: var(--transition); box-shadow: -8px 0 40px rgba(0,0,0,0.3);
                gap: 4px; overflow-y: auto;
            }
            .nav-list.open { right: 0; }
            .nav-list > li > a { padding: 14px 20px; font-size: 1rem; }
            .mega-dropdown {
                position: static; transform: none; width: 100%;
                opacity: 1; visibility: visible; box-shadow: none;
                border: none; background: rgba(255,255,255,0.03);
                padding: 12px; margin-top: 4px; display: none;
                grid-template-columns: 1fr;
            }
            .nav-list > li:hover .mega-dropdown { display: grid; }
            .hero { min-height: 80vh; padding: 100px 20px 60px; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .features-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .category-grid { grid-template-columns: 1fr; gap: 20px; }
            .category-card { flex-direction: column; text-align: center; }
            .category-card .cc-img { width: 100%; height: 140px; }
            .news-grid { grid-template-columns: 1fr; }
            .process-step { flex: 0 0 100%; }
            .process-step .step-num { width: 64px; height: 64px; font-size: 1.2rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-item .stat-num { font-size: 2rem; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
            .section { padding: 48px 0; }
            .section-header { margin-bottom: 32px; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.6rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .features-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .category-card .cc-img { height: 120px; }
            .news-card .nc-img { height: 140px; }
            .faq-question { padding: 16px 18px; font-size: 0.92rem; }
            .faq-answer { padding: 0 18px 16px; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mt-32 { margin-top: 32px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1e3a5f;
            --primary-light: #2a5298;
            --primary-dark: #0f2440;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --accent-dark: #d97706;
            --bg-body: #f0f4f8;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --bg-card: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-light: #94a3b8;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
            --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1280px;
            --content-width: 780px;
            --header-h: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            padding-top: var(--header-h);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: 80px 0; }
        .section-title {
            font-size: 2rem;
            margin-bottom: 12px;
            text-align: center;
        }
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .text-center { text-align: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(15, 23, 42, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.98);
            box-shadow: 0 4px 30px rgba(0,0,0,0.3);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--accent); font-size: 1.6rem; }
        .logo span { background: linear-gradient(135deg, #fff 60%, var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .logo:hover span { background: linear-gradient(135deg, var(--accent-light), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-list { display: flex; align-items: center; gap: 6px; }
        .nav-list > li { position: relative; }
        .nav-list > li > a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.75);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .nav-list > li > a i:first-child { font-size: 0.9rem; }
        .nav-list > li > a i.fa-chevron-down { font-size: 0.65rem; margin-left: 2px; opacity: 0.6; }
        .nav-list > li > a:hover,
        .nav-list > li > a:focus-visible { color: #fff; background: rgba(255,255,255,0.08); }
        .nav-list > li > a.active { color: var(--accent); background: rgba(245,158,11,0.12); }
        .nav-list > li > a.active i:first-child { color: var(--accent); }

        /* Mega Dropdown */
        .mega-dropdown {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(4px);
            min-width: 520px;
            background: rgba(15, 23, 42, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 16px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 20px 60px rgba(0,0,0,0.5);
        }
        .nav-list > li:hover .mega-dropdown,
        .nav-list > li:focus-within .mega-dropdown {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-dropdown-item {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            color: rgba(255,255,255,0.8);
        }
        .mega-dropdown-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
        .md-title { display: block; font-weight: 600; font-size: 0.95rem; color: #fff; margin-bottom: 2px; }
        .md-title i { color: var(--accent); margin-right: 6px; }
        .md-desc { display: block; font-size: 0.8rem; color: rgba(255,255,255,0.5); }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 4px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Hero Banner ===== */
        .article-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,23,42,0.30) 0%, rgba(15,23,42,0.85) 70%, rgba(15,23,42,0.97) 100%);
            z-index: 1;
        }
        .article-hero .container-narrow {
            position: relative;
            z-index: 2;
            padding-top: 80px;
            padding-bottom: 56px;
            width: 100%;
        }
        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.65); }
        .article-breadcrumb a:hover { color: var(--accent); }
        .article-breadcrumb span { color: rgba(255,255,255,0.4); }
        .article-hero .post-category {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--accent);
            color: #0f172a;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 95%;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            margin-top: 20px;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        .article-meta span { display: flex; align-items: center; gap: 6px; }
        .article-meta i { font-size: 0.85rem; }
        .article-meta .author { color: rgba(255,255,255,0.8); font-weight: 500; }

        /* ===== Article Content ===== */
        .article-main { padding: 56px 0 80px; }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .article-body .post-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body .post-content p { margin-bottom: 1.4em; }
        .article-body .post-content h2 {
            font-size: 1.6rem;
            margin-top: 2em;
            margin-bottom: 0.6em;
            padding-bottom: 0.3em;
            border-bottom: 2px solid var(--border);
        }
        .article-body .post-content h3 {
            font-size: 1.25rem;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
        }
        .article-body .post-content ul, 
        .article-body .post-content ol {
            margin-bottom: 1.4em;
            padding-left: 1.8em;
        }
        .article-body .post-content ul { list-style: disc; }
        .article-body .post-content ol { list-style: decimal; }
        .article-body .post-content li { margin-bottom: 0.3em; }
        .article-body .post-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 1.4em 0;
            background: #fefce8;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .post-content a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 2px; }
        .article-body .post-content a:hover { color: var(--accent); }
        .article-body .post-content img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-md);
        }

        /* Tags & Share */
        .article-tags-share {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags a {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--bg-body);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .article-tags a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .share-buttons { display: flex; gap: 8px; }
        .share-buttons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: all var(--transition);
            font-size: 0.95rem;
        }
        .share-buttons a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

        /* Article Navigation */
        .article-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }
        .article-nav a {
            flex: 1;
            min-width: 200px;
            padding: 18px 24px;
            border-radius: var(--radius-md);
            background: var(--bg-body);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .article-nav a:hover { background: var(--bg-white); box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--primary-light); }
        .article-nav .nav-label { font-size: 0.75rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; }
        .article-nav .nav-title { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-top: 4px; }
        .article-nav a:hover .nav-title { color: var(--primary-light); }
        .article-nav .nav-next { text-align: right; }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
        }
        .not-found-box i { font-size: 4rem; color: var(--text-light); margin-bottom: 24px; }
        .not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 24px; }
        .not-found-box .btn { display: inline-block; }

        /* ===== Related Articles ===== */
        .related-section { background: var(--bg-white); border-top: 1px solid var(--border); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .related-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            border: 1px solid var(--border);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--bg-dark);
        }
        .related-card .card-body { padding: 20px; }
        .related-card .card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.3px;
            margin-bottom: 6px;
        }
        .related-card .card-title {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card:hover .card-title { color: var(--primary-light); }
        .related-card .card-date { font-size: 0.8rem; color: var(--text-light); }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark) url('/assets/images/backpic/back-3.png') center center / cover no-repeat fixed;
            isolation: isolate;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(30,58,95,0.85));
            z-index: 1;
        }
        .cta-section .container-narrow { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2rem; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 560px; margin: 12px auto 32px; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary { background: var(--accent); color: #0f172a; }
        .btn-primary:hover { background: var(--accent-light); color: #0f172a; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,158,11,0.3); }
        .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.3); }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(245,158,11,0.08); transform: translateY(-2px); }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1424;
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255,255,255,0.04);
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand .logo { font-size: 1.2rem; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 360px; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 600; color: #fff; margin-bottom: 16px; letter-spacing: 0.3px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 0.88rem; transition: all var(--transition); display: flex; align-items: center; gap: 8px; }
        .footer-col ul li a:hover { color: var(--accent); transform: translateX(4px); }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 40px auto 0;
            padding: 20px 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.45); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-hero h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15,23,42,0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255,255,255,0.06);
                transform: translateY(-110%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                pointer-events: none;
                max-height: calc(100vh - var(--header-h));
                overflow-y: auto;
            }
            .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-list > li > a { padding: 14px 16px; font-size: 1rem; }
            .mega-dropdown {
                position: static;
                transform: none;
                min-width: auto;
                grid-template-columns: 1fr;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                background: rgba(255,255,255,0.03);
                border: 1px solid rgba(255,255,255,0.05);
                border-radius: var(--radius-sm);
                padding: 12px;
                margin: 4px 0 8px 16px;
                display: none;
            }
            .nav-list > li:hover .mega-dropdown,
            .nav-list > li:focus-within .mega-dropdown { display: grid; }

            .section { padding: 56px 0; }
            .section-title { font-size: 1.6rem; }
            .article-hero { min-height: 320px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-body { padding: 28px 20px; }
            .article-body .post-content { font-size: 0.98rem; }
            .related-grid { grid-template-columns: 1fr; }
            .article-tags-share { flex-direction: column; align-items: flex-start; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.5rem; }
            .btn { padding: 10px 24px; font-size: 0.9rem; }
        }
        @media (max-width: 520px) {
            .article-hero { min-height: 260px; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-meta { font-size: 0.8rem; gap: 12px; }
            .article-body { padding: 20px 16px; border-radius: var(--radius-md); }
            .container { padding: 0 16px; }
            .container-narrow { padding: 0 16px; }
            .section { padding: 40px 0; }
            .related-card .card-img { height: 140px; }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .fade-up { animation: fadeUp 0.6s ease-out both; }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a30;
            --primary-light: #132a4a;
            --primary-dark: #060f1c;
            --accent: #e8a832;
            --accent-hover: #d4951f;
            --accent-soft: #fdf4e0;
            --bg-body: #f5f7fc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-section-alt: #eef2f8;
            --text-primary: #0b1a30;
            --text-body: #2c3e4f;
            --text-muted: #6b7a8a;
            --text-inverse: #ffffff;
            --border-light: #e2e7ef;
            --border-medium: #c8d0dc;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(11, 26, 48, 0.06);
            --shadow-md: 0 6px 24px rgba(11, 26, 48, 0.10);
            --shadow-lg: 0 14px 40px rgba(11, 26, 48, 0.14);
            --shadow-xl: 0 24px 60px rgba(11, 26, 48, 0.18);
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 按钮系统 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(232, 168, 50, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--primary);
            box-shadow: 0 6px 24px rgba(232, 168, 50, 0.45);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 168, 50, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-inverse);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-inverse);
            color: var(--text-inverse);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-dark {
            background: var(--primary);
            color: var(--text-inverse);
            box-shadow: 0 4px 14px rgba(11, 26, 48, 0.25);
        }
        .btn-dark:hover {
            background: var(--primary-light);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(11, 26, 48, 0.35);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            border-radius: 100px;
            background: var(--accent-soft);
            color: var(--accent-hover);
            border: 1px solid rgba(232, 168, 50, 0.25);
        }
        .badge-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .badge-dark {
            background: var(--primary);
            color: var(--text-inverse);
            border-color: var(--primary);
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .card-footer {
            padding: 16px 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* ===== 板块标题 ===== */
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(11, 26, 48, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-inverse);
            text-decoration: none;
            letter-spacing: -0.3px;
        }
        .logo i {
            color: var(--accent);
            font-size: 26px;
        }
        .logo span {
            background: linear-gradient(135deg, #f0c860, #e8a832);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover {
            color: var(--text-inverse);
            opacity: 0.9;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-list>li {
            position: relative;
        }
        .nav-list>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            text-decoration: none;
        }
        .nav-list>li>a i {
            font-size: 14px;
        }
        .nav-list>li>a:hover {
            color: var(--text-inverse);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-list>li>a.active {
            color: var(--accent);
            background: rgba(232, 168, 50, 0.12);
        }
        .nav-list>li>a.active i {
            color: var(--accent);
        }

        /* Mega Dropdown */
        .mega-dropdown {
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            min-width: 520px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-xl);
            padding: 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            z-index: 100;
        }
        .nav-list>li:hover .mega-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-dropdown-item {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            background: var(--bg-body);
            transition: all var(--transition);
            text-decoration: none;
        }
        .mega-dropdown-item:hover {
            background: var(--accent-soft);
            transform: translateX(4px);
        }
        .md-title {
            display: block;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .md-title i {
            color: var(--accent);
            margin-right: 6px;
        }
        .md-desc {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-inverse);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                padding: 16px 20px;
                gap: 2px;
                border-bottom: 2px solid rgba(232, 168, 50, 0.2);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition);
                pointer-events: none;
                box-shadow: var(--shadow-lg);
                max-height: 80vh;
                overflow-y: auto;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list>li>a {
                padding: 12px 16px;
                font-size: 16px;
                width: 100%;
            }
            .mega-dropdown {
                position: static;
                min-width: auto;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                border: none;
                background: rgba(255, 255, 255, 0.04);
                padding: 8px 12px;
                margin-top: 4px;
                border-radius: var(--radius-sm);
                display: none;
                grid-template-columns: 1fr;
            }
            .nav-list>li.open-mega .mega-dropdown {
                display: grid;
            }
            .mega-dropdown-item {
                background: rgba(255, 255, 255, 0.04);
                padding: 12px 14px;
            }
            .mega-dropdown-item:hover {
                background: rgba(232, 168, 50, 0.12);
            }
            .md-title {
                color: var(--text-inverse);
            }
            .md-desc {
                color: rgba(255, 255, 255, 0.55);
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            margin-top: var(--header-h);
            background: var(--primary);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: luminosity;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 48, 0.92) 0%, rgba(11, 26, 48, 0.70) 50%, rgba(11, 26, 48, 0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 24px;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 168, 50, 0.18);
            color: var(--accent);
            padding: 6px 20px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(232, 168, 50, 0.2);
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 900;
            color: var(--text-inverse);
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.15;
        }
        .hero h1 span {
            background: linear-gradient(135deg, #f0c860, #e8a832);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 400px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero-content {
                padding: 60px 16px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 通用板块间距 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--primary);
            color: var(--text-inverse);
        }
        .section-dark .section-title {
            color: var(--text-inverse);
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
        }

        /* ===== 网格 ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 功能卡片（特色图标卡） ===== */
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 28px;
            color: var(--accent);
            background: var(--accent-soft);
            transition: all var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: var(--primary);
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 流程/路线 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-hover), var(--accent));
            border-radius: 2px;
            opacity: 0.3;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
            font-weight: 800;
            background: var(--accent);
            color: var(--primary);
            border: 4px solid var(--bg-body);
            box-shadow: 0 0 0 2px var(--accent);
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 32px 20px;
            }
            .process-steps::before {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== 图文区块 ===== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .media-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
            transition: transform 0.6s ease;
        }
        .media-image:hover img {
            transform: scale(1.04);
        }
        .media-content h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .media-content p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .media-content .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .media-content .tag-list span {
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            background: var(--accent-soft);
            color: var(--accent-hover);
            border: 1px solid rgba(232, 168, 50, 0.15);
        }
        @media (max-width: 768px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .media-block.reverse {
                direction: ltr;
            }
            .media-image img {
                height: 220px;
            }
            .media-content h3 {
                font-size: 22px;
            }
        }

        /* ===== 内容卡片列表 ===== */
        .content-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .content-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .content-card .cc-img {
            width: 140px;
            min-height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .content-card .cc-body {
            flex: 1;
        }
        .content-card .cc-body h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .content-card .cc-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .content-card .cc-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .content-card .cc-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        @media (max-width: 520px) {
            .content-card {
                flex-direction: column;
            }
            .content-card .cc-img {
                width: 100%;
                height: 180px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            text-align: left;
            gap: 16px;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(232, 168, 50, 0.04);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.06;
            mix-blend-mode: luminosity;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-inner h2 {
            font-size: 36px;
            font-weight: 900;
            color: var(--text-inverse);
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-inner h2 {
                font-size: 28px;
            }
            .cta-inner p {
                font-size: 16px;
            }
            .cta-inner {
                padding: 56px 16px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px 20px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin: 0 auto 24px;
        }
        .divider-left {
            margin: 0 0 24px;
        }

        /* ===== 图片遮罩（用于卡片hover） ===== */
        .img-mask {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md);
        }
        .img-mask::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11, 26, 48, 0.5) 0%, transparent 60%);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .img-mask:hover::after {
            opacity: 1;
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-sm {
            gap: 12px;
        }

        /* ===== 出入动画（轻量） ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 分类页特有：入口卡片网格 ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .entry-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: default;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            border-color: var(--accent);
        }
        .entry-card .entry-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 24px;
            color: var(--accent);
            background: var(--accent-soft);
            transition: all var(--transition);
        }
        .entry-card:hover .entry-icon {
            background: var(--accent);
            color: var(--primary);
        }
        .entry-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .entry-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .entry-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .entry-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 分类页特有：平台优势列表 ===== */
        .advantage-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .advantage-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .advantage-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--accent);
        }
        .advantage-item .adv-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            background: var(--accent-soft);
            flex-shrink: 0;
        }
        .advantage-item .adv-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .advantage-item .adv-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }