:root {
            --primary: rgb(15,118,110);
            --primary-dark: #0f5c56;
            --primary-light: #e6f4f2;
            --accent: #d97706;
            --text-main: #1f2937;
            --text-muted: #6b7280;
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --border: #e2e8f0;
            --radius: 12px;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; background-color: var(--bg-main); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: color 0.3s; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 20px; font-weight: 800; line-height: 1; color: var(--text-main); white-space: nowrap; }
        .header-logo span { color: var(--text-main); }
        .footer-logo span { color: #fff; }

        
        .site-header { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border); }
        .header-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .desktop-nav { display: flex; gap: 30px; align-items: center; }
        .desktop-nav a { font-weight: 500; font-size: 16px; position: relative; }
        .desktop-nav a:hover { color: var(--primary); }
        .desktop-nav a::after { content: ''; position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background: var(--primary); transition: width 0.3s; }
        .desktop-nav a:hover::after { width: 100%; }
        .header-actions { display: flex; align-items: center; gap: 15px; }
        .btn { display: inline-block; padding: 10px 24px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: all 0.3s; text-align: center; }
        .btn-primary { background: var(--primary); color: #fff; border: 1px solid var(--primary); }
        .btn-primary:hover { background: var(--primary-dark); box-shadow: var(--shadow); color:#fff; }
        .btn-outline { border: 1px solid var(--primary); color: var(--primary); background: transparent; }
        .btn-outline:hover { background: var(--primary-light); }
        
        
        .menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-main); }
        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); opacity: 0; visibility: hidden; transition: 0.3s; z-index: 999; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100vh; background: #fff; z-index: 1000; transition: 0.3s; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); }
        .drawer.active { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
        .close-btn { background: none; border: none; font-size: 28px; cursor: pointer; color: var(--text-muted); }
        .drawer-body { padding: 20px; overflow-y: auto; flex: 1; }
        .mobile-nav { display: flex; flex-direction: column; gap: 15px; }
        .mobile-nav a { display: block; padding: 10px; font-size: 16px; font-weight: 500; border-radius: 6px; }
        .mobile-nav a:hover { background: var(--primary-light); color: var(--primary); }

        
        .hero { background: linear-gradient(135deg, var(--bg-card) 0%, var(--primary-light) 100%); padding: 80px 0; position: relative; overflow: hidden; }
        .hero::before { content: ''; position: absolute; top: -50%; right: -10%; width: 600px; height: 600px; background: var(--primary); opacity: 0.05; border-radius: 50%; filter: blur(50px); }
        .hero-inner { display: flex; align-items: center; gap: 50px; position: relative; z-index: 2; }
        .hero-content { flex: 1; }
        .hero-tag { display: inline-block; padding: 4px 12px; background: rgba(15,118,110,0.1); color: var(--primary); border-radius: 20px; font-size: 14px; font-weight: 600; margin-bottom: 20px; }
        .hero-title { font-size: 46px; font-weight: 800; line-height: 1.2; margin-bottom: 20px; color: var(--text-main); }
        .hero-desc { font-size: 18px; color: var(--text-muted); margin-bottom: 30px; }
        .hero-visual { flex: 1; position: relative; }
        .hero-visual img { border-radius: 20px; box-shadow: var(--shadow-lg); border: 4px solid #fff; }
        
        
        .stats-bar { background: #fff; padding: 30px 0; border-bottom: 1px solid var(--border); }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
        .stat-item h4 { font-size: 32px; color: var(--primary); font-weight: 800; margin-bottom: 5px; }
        .stat-item p { color: var(--text-muted); font-size: 14px; }

        
        .section { padding: 80px 0; }
        .section-header { text-align: center; margin-bottom: 50px; }
        .section-title { font-size: 32px; font-weight: 700; margin-bottom: 15px; }
        .section-desc { color: var(--text-muted); max-width: 600px; margin: 0 auto; }
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .feature-card { background: #fff; padding: 40px 30px; border-radius: var(--radius); box-shadow: var(--shadow); transition: transform 0.3s; position: relative; overflow: hidden; }
        .feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
        .feature-icon { width: 60px; height: 60px; background: var(--primary-light); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--primary); font-size: 24px; font-weight: bold; }
        .feature-card h3 { font-size: 20px; margin-bottom: 15px; }
        .feature-card p { color: var(--text-muted); font-size: 15px; }

        
        .content-dual { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
        
        
        .article-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .post-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: 0.3s; }
        .post-card:hover { box-shadow: var(--shadow-lg); }
        .card-img { display: block; width: 100%; aspect-ratio: 16/9; overflow: hidden; position: relative; background: #e2e8f0; }
        .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .post-card:hover .card-img img { transform: scale(1.05); }
        .card-content { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .card-meta { display: flex; justify-content: space-between; font-size: 12px; color: #9ca3af; margin-bottom: 10px; }
        .card-title { font-size: 18px; font-weight: 600; margin-bottom: 10px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .card-title a:hover { color: var(--primary); }
        .card-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
        .card-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border); padding-top: 15px; font-size: 12px; }
        .card-tags { color: var(--primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60%; }
        
        
        .hot-sidebar { background: #fff; border-radius: var(--radius); padding: 25px; box-shadow: var(--shadow); height: fit-content; }
        .hot-sidebar-title { font-size: 20px; border-bottom: 2px solid var(--primary-light); padding-bottom: 15px; margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; }
        .hot-list { display: flex; flex-direction: column; gap: 15px; }
        .hot-item { display: flex; gap: 15px; align-items: center; }
        .hot-img { width: 80px; height: 60px; border-radius: 6px; overflow: hidden; flex-shrink: 0; background: #e2e8f0; }
        .hot-img img { width: 100%; height: 100%; object-fit: cover; }
        .hot-info h4 { font-size: 14px; font-weight: 500; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .hot-info h4 a:hover { color: var(--primary); }
        .hot-info span { font-size: 12px; color: var(--text-muted); margin-top: 5px; display: block; }

        
        .cta-section { background: var(--primary); color: #fff; padding: 60px 0; text-align: center; border-radius: 24px; margin: 40px 20px; }
        .cta-title { font-size: 32px; font-weight: 700; margin-bottom: 20px; }
        .cta-desc { font-size: 18px; opacity: 0.9; margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto; }
        .cta-section .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
        .cta-section .btn-primary:hover { background: var(--bg-main); }
        .cta-section .btn-outline { border-color: rgba(255,255,255,0.5); color: #fff; }
        .cta-section .btn-outline:hover { background: rgba(255,255,255,0.1); }

        
        .site-footer { background: #111827; color: #d1d5db; padding: 60px 0 20px; margin-top: 60px; }
        .footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-col h4 { color: #fff; font-size: 18px; margin-bottom: 20px; font-weight: 600; }
        .brand-col p { margin-top: 20px; font-size: 14px; line-height: 1.8; color: #9ca3af; }
        .footer-col ul { display: flex; flex-direction: column; gap: 12px; }
        .footer-col ul a { color: #9ca3af; font-size: 14px; }
        .footer-col ul a:hover { color: var(--primary); padding-left: 5px; }
        .footer-bottom { border-top: 1px solid #374151; padding-top: 20px; text-align: center; font-size: 14px; color: #6b7280; }

        @media (max-width: 992px) {
            .hero-inner { flex-direction: column; text-align: center; }
            .content-dual { grid-template-columns: 1fr; }
            .article-list { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-top { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .desktop-nav, .header-actions { display: none; }
            .menu-toggle { display: block; }
            .hero-title { font-size: 32px; }
            .stats-grid { grid-template-columns: 1fr; }
            .feature-grid { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: 1fr; }
            .cta-section { margin: 20px 0; border-radius: 0; padding: 40px 20px; }
        }