* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', sans-serif; background: #ffffff; color: #1a3a2a; overflow-x: hidden; }
        
        :root {
            --primary: #2d8c4e;
            --primary-dark: #1a5f3a;
            --primary-light: #4caf6e;
            --gray-light: #f8faf8;
            --gray-mid: #e8f0eb;
            --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);
        }
        
        .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; }
        .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(--gray-mid); }
        .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(--gray-light); 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-light); 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(--gray-mid); }
        .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(--gray-light); color: var(--primary); }
        .lang-menu a.active { color: var(--primary); font-weight: 600; }
        
        /* 面包屑 */
        .breadcrumb { background: var(--gray-light); padding: 16px 0; margin-bottom: 40px; border-bottom: 1px solid var(--gray-mid); }
        .breadcrumb a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; }
        .breadcrumb a:hover { color: var(--primary); }
        
        /* 详情页 */
        .detail-container { padding: 40px 0 80px; }
        .detail-title { font-size: 2rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; }
        .detail-desc { color: var(--text-muted); line-height: 1.8; margin-bottom: 40px; }
        
        /* 图片画廊 */
        .gallery-section { margin-bottom: 40px; }
        .gallery-section h3 { font-size: 1.3rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
        .main-image { background: var(--gray-light); border-radius: 24px; overflow: hidden; border: 1px solid var(--gray-mid); box-shadow: var(--shadow-md); margin-bottom: 20px; }
        .main-image img { width: 100%; height: auto; display: block; }
        .thumbnail-list { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 8px; }
        .thumbnail { width: 100px; height: 80px; border-radius: 12px; overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: all 0.2s; flex-shrink: 0; }
        .thumbnail.active { border-color: var(--primary); }
        .thumbnail img { width: 100%; height: 100%; object-fit: cover; }
        
        /* 视频区域 */
        .video-section { background: var(--gray-light); border-radius: 24px; padding: 30px; margin-top: 40px; text-align: center; }
        .video-section h3 { font-size: 1.3rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; justify-content: center; }
        .video-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 16px; }
        .video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
        
        /* 返回按钮 */
        .back-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: white; padding: 12px 28px; border-radius: 40px; text-decoration: none; font-weight: 600; transition: all 0.2s; margin-top: 30px; }
        .back-btn:hover { background: var(--primary-dark); transform: translateY(-2px); }
        
        /* 页脚 */
        .footer { background: #0a2f1a; color: #b8d9c4; padding: 48px 0 24px; margin-top: 40px; }
        .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; }
            .detail-title { font-size: 1.5rem; }
            .thumbnail { width: 70px; height: 55px; }
            .footer-grid { grid-template-columns: 1fr; text-align: center; }
            .social-links { justify-content: center; }
        }