  * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', sans-serif; background: #f5f8f5; color: #1a3a2a; overflow-x: hidden; }
        
        :root {
            --primary: #2d8c4e;
            --primary-dark: #1a5f3a;
            --primary-light: #4caf6e;
            --primary-soft: #e8f5e9;
            --accent: #00bcd4;
            --gray-bg: #f8faf8;
            --card-white: #ffffff;
            --text-dark: #1a3a2a;
            --text-muted: #4a7c5e;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 35px -10px rgba(0,0,0,0.1);
            --border-light: #e0ece5;
        }
        
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        
        /* 导航栏 */
        .navbar { background: white; box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 1000; padding: 16px 0; border-bottom: 1px solid var(--border-light); }
        .nav-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
        .logo h1 { font-size: 1.7rem; font-weight: 800; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); -webkit-background-clip: text; background-clip: text; color: transparent; }
        .nav-right { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
        .nav-links { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
        .nav-links a { text-decoration: none; font-weight: 500; color: var(--text-dark); transition: color 0.2s; font-size: 0.95rem; }
        .nav-links a:hover, .nav-links a.active { color: var(--primary); }
        
        .dropdown { position: relative; }
        .dropdown-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; }
        .dropdown-menu { position: absolute; top: 100%; left: 0; background: white; min-width: 180px; border-radius: 16px; box-shadow: var(--shadow-md); padding: 12px 0; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.2s; z-index: 1001; border: 1px solid var(--border-light); }
        .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(8px); }
        .dropdown-menu a { display: block; padding: 10px 20px; color: var(--text-dark); text-decoration: none; font-size: 0.85rem; }
        .dropdown-menu a:hover { background: var(--primary-soft); color: var(--primary); }
        
        .lang-dropdown { position: relative; }
        .lang-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 6px 12px; border-radius: 30px; background: var(--gray-bg); font-size: 0.85rem; }
        .lang-menu { position: absolute; top: 100%; right: 0; background: white; min-width: 140px; border-radius: 16px; box-shadow: var(--shadow-md); padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.2s; z-index: 1001; border: 1px solid var(--border-light); }
        .lang-dropdown:hover .lang-menu { opacity: 1; visibility: visible; transform: translateY(8px); }
        .lang-menu a { display: block; padding: 8px 20px; color: var(--text-dark); text-decoration: none; font-size: 0.85rem; }
        .lang-menu a:hover { background: var(--primary-soft); color: var(--primary); }
        .lang-menu a.active { color: var(--primary); font-weight: 600; }
        
        /* 面包屑 */
        .breadcrumb { background: var(--gray-bg); padding: 16px 0; margin-bottom: 0; border-bottom: 1px solid var(--border-light); }
        .breadcrumb a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb span { color: var(--primary); }
        
        /* ========== 顶部左右分栏区域 ========== */
        .hero-split-section {
            background: linear-gradient(135deg, #1a5f3a 0%, #2d8c4e 100%);
            padding: 60px 0;
            color: white;
        }
        .hero-split-row {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        .hero-split-left {
            flex: 1.2;
            min-width: 300px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hero-split-left h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero-split-left p {
            font-size: 1rem;
            line-height: 1.7;
            opacity: 0.9;
            margin-bottom: 30px;
        }
        .hero-split-right {
            flex: 0.8;
            min-width: 300px;
            background: rgba(255,255,255,0.1);
            border-radius: 24px;
            padding: 20px;
            backdrop-filter: blur(2px);
        }
        
        /* 轮播容器 */
        .carousel-container {
            position: relative;
            width: 100%;
            border-radius: 20px;
            overflow: hidden;
            background: rgba(0,0,0,0.2);
        }
        .carousel-slides { display: flex; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
        .carousel-slide { flex-shrink: 0; width: 100%; position: relative; }
        .carousel-slide img { width: 100%; height: auto; display: block; border-radius: 16px; }
        .carousel-caption {
            position: absolute;
            bottom: 20px;
            left: 0;
            right: 0;
            text-align: center;
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
            text-shadow: 0 1px 4px rgba(0,0,0,0.3);
            background: linear-gradient(90deg, transparent, rgba(0,0,0,0.5), transparent);
            padding: 10px;
        }
        .carousel-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(255,255,255,0.8);
            color: var(--primary);
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            z-index: 10;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .carousel-btn:hover { background: white; transform: translateY(-50%) scale(1.05); }
        .carousel-prev { left: 12px; }
        .carousel-next { right: 12px; }
        .carousel-dots { text-align: center; margin-top: 16px; }
        .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.5); margin: 0 6px; cursor: pointer; transition: all 0.3s; }
        .dot.active { background: white; width: 20px; border-radius: 10px; }
        
        /* 应用分类区域 */
        .categories-section { padding: 80px 0; background: white; }
        .section-header { text-align: center; margin-bottom: 50px; }
        .section-header h2 { font-size: 2.2rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 12px; }
        .section-header p { color: var(--text-muted); font-size: 0.95rem; }
        .section-header .accent-line { width: 60px; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); margin: 20px auto 0; border-radius: 3px; }
        
        .categories-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
        .category-card {
            background: white;
            border-radius: 24px;
            padding: 28px;
            transition: all 0.4s;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(45,140,78,0.05), transparent);
            transition: left 0.6s ease;
        }
        .category-card:hover::before { left: 100%; }
        .category-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-lg);
        }
        .category-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-soft);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .category-icon i { font-size: 2rem; color: var(--primary); }
        .category-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-soft);
            display: inline-block;
        }
        .category-items { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
        .app-item {
            background: var(--gray-bg);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--text-dark);
            transition: all 0.3s;
            border: 1px solid transparent;
            cursor: default;
        }
        .app-item:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }
        
        /* 统计数据区域 */
        .stats-section {
            padding: 60px 0;
            background: var(--gray-bg);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .stats-grid { display: flex; justify-content: center; gap: 60px; flex-wrap: wrap; text-align: center; }
        .stat-item { min-width: 150px; }
        .stat-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); }
        .stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; }
        
        /* CTA区域 */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            text-align: center;
            color: white;
        }
        .cta-section h3 { font-size: 1.8rem; margin-bottom: 16px; }
        .cta-section p { opacity: 0.9; margin-bottom: 24px; }
        .cta-btn {
            background: white;
            color: var(--primary-dark);
            padding: 14px 36px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            transition: all 0.3s;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        .cta-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }
        
        /* 页脚 */
        .footer { background: #0a2f1a; color: #b8d9c4; padding: 48px 0 24px; margin-top: 0; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px; }
        .footer-col h4 { color: white; margin-bottom: 20px; font-size: 1rem; }
        .footer-col p, .footer-col a { color: #b8d9c4; font-size: 0.85rem; line-height: 1.8; text-decoration: none; }
        .footer-col a:hover { color: var(--primary-light); }
        .social-links { display: flex; gap: 12px; margin-top: 16px; }
        .social-links a { width: 36px; height: 36px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
        .social-links a:hover { background: var(--primary-light); color: #0a2f1a; }
        .copyright { text-align: center; padding-top: 24px; border-top: 1px solid #2a6a46; font-size: 0.75rem; }
        
        @media (max-width: 768px) {
            .nav-container { flex-direction: column; }
            .nav-right { justify-content: center; }
            .hero-split-left h2 { font-size: 1.8rem; }
            .hero-split-row { flex-direction: column; }
            .categories-grid { grid-template-columns: 1fr; }
            .stats-grid { gap: 30px; }
            .carousel-caption { font-size: 0.9rem; bottom: 10px; }
        }