:root {
            --primary: rgb(52,168,83);
            --primary-dark: #2a8a43;
            --primary-light: rgba(52,168,83,0.1);
            --text-main: #2c3e50;
            --text-sub: #5f6c7b;
            --bg-body: #f8fbfa;
            --bg-white: #ffffff;
            --border-color: #eaeff2;
            --shadow-sm: 0 4px 6px rgba(0,0,0,0.04);
            --shadow-md: 0 10px 20px rgba(52,168,83,0.08);
            --radius-md: 12px;
            --radius-lg: 20px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; background-color: var(--bg-body); color: var(--text-main); line-height: 1.6; -webkit-font-smoothing: antialiased; }
        a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--primary-light); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
        
        
        .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: 22px; font-weight: 800; line-height: 1; color: var(--text-main); white-space: nowrap; }
        
        .main-nav { display: flex; gap: 30px; align-items: center; }
        .main-nav a { font-size: 16px; font-weight: 500; color: var(--text-main); position: relative; padding: 8px 0; }
        .main-nav a:hover { color: var(--primary); }
        .main-nav a::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 3px; background: var(--primary); transition: all 0.3s ease; transform: translateX(-50%); border-radius: 2px; }
        .main-nav a:hover::after { width: 100%; }
        
        .header-actions { display: flex; gap: 15px; align-items: center; }
        .btn-primary { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; background: var(--primary); color: #fff; font-weight: 600; border-radius: 30px; box-shadow: var(--shadow-sm); }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #fff; }
        .btn-outline { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border: 1px solid var(--primary); color: var(--primary); font-weight: 600; border-radius: 30px; }
        .btn-outline:hover { background: var(--primary-light); }
        
        .menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; width: 30px; }
        .menu-toggle span { display: block; width: 100%; height: 3px; background: var(--text-main); border-radius: 2px; transition: 0.3s; }
        
        
        .hero { padding: 80px 0 100px; background: linear-gradient(135deg, #e3fdf5 0%, #ffe6fa 100%); background: linear-gradient(120deg, var(--bg-white) 40%, var(--primary-light) 100%); 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(60px); z-index: 0; }
        .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
        .hero-content h1 { font-size: 46px; font-weight: 800; line-height: 1.25; margin-bottom: 24px; color: var(--text-main); }
        .hero-content h1 span { color: var(--primary); }
        .hero-content p { font-size: 18px; color: var(--text-sub); margin-bottom: 40px; }
        .hero-tags { display: flex; gap: 12px; margin-bottom: 30px; flex-wrap: wrap; }
        .hero-tag { background: rgba(52,168,83,0.15); color: var(--primary-dark); padding: 4px 12px; border-radius: 4px; font-size: 14px; font-weight: 600; }
        .hero-btns { display: flex; gap: 20px; }
        .hero-visual { position: relative; }
        .hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); transform: perspective(1000px) rotateY(-5deg); transition: transform 0.5s ease; }
        .hero-visual:hover img { transform: perspective(1000px) rotateY(0deg); }
        
        
        .features { padding: 60px 0; background: var(--bg-white); }
        .features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
        .feature-card { padding: 30px 20px; text-align: center; background: var(--bg-body); border-radius: var(--radius-md); transition: 0.3s; border: 1px solid transparent; }
        .feature-card:hover { border-color: var(--primary-light); background: var(--bg-white); box-shadow: var(--shadow-md); transform: translateY(-5px); }
        .feature-icon { width: 60px; height: 60px; margin: 0 auto 20px; background: var(--primary-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--primary); font-weight: bold; }
        .feature-card h3 { font-size: 20px; margin-bottom: 10px; color: var(--text-main); }
        .feature-card p { font-size: 14px; color: var(--text-sub); }
        
        
        .section-header { text-align: center; margin-bottom: 50px; }
        .section-header h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
        .section-header p { font-size: 16px; color: var(--text-sub); }
        
        .news-section { padding: 80px 0; background: var(--bg-body); }
        .articles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .article-card { background: var(--bg-white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: 0.3s; display: flex; flex-direction: column; }
        .article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
        .card-img { position: relative; width: 100%; padding-top: 60%; overflow: hidden; display: block; }
        .card-img img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
        .article-card:hover .card-img img { transform: scale(1.05); }
        .card-body { padding: 20px; display: flex; flex-direction: column; flex-grow: 1; }
        .card-title { font-size: 18px; font-weight: 600; margin-bottom: 12px; line-height: 1.4; }
        .card-title a { color: var(--text-main); }
        .card-title a:hover { color: var(--primary); }
        .card-summary { font-size: 14px; color: var(--text-sub); margin-bottom: 16px; flex-grow: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: #888; border-top: 1px solid var(--border-color); padding-top: 12px; }
        .card-meta-tags { color: var(--primary); font-weight: 500; }
        
        .hot-section { padding: 80px 0; background: var(--bg-white); }
        .hot-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
        .hot-card { display: flex; gap: 20px; background: var(--bg-body); padding: 20px; border-radius: var(--radius-md); align-items: center; }
        .hot-card .card-img { width: 140px; padding-top: 0; height: 100px; flex-shrink: 0; border-radius: 8px; }
        .hot-card .card-body { padding: 0; }
        
        
        .trust-section { padding: 80px 0; background: var(--primary); color: #fff; text-align: center; }
        .trust-section h2 { font-size: 36px; margin-bottom: 20px; color: #fff; }
        .trust-section p { font-size: 18px; opacity: 0.9; max-width: 800px; margin: 0 auto 40px; }
        .trust-stats { display: flex; justify-content: center; gap: 60px; margin-bottom: 40px; }
        .stat-item h4 { font-size: 40px; font-weight: 800; margin-bottom: 8px; }
        .stat-item p { font-size: 16px; opacity: 0.8; }
        
        
        .site-footer { background: #1a221d; color: #a0aab2; padding: 60px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 50px; margin-bottom: 40px; }
        .footer-brand .logo span { color: #fff; }
        .footer-desc { margin-top: 20px; font-size: 14px; line-height: 1.8; }
        .footer-title { color: #fff; font-size: 18px; font-weight: 600; margin-bottom: 24px; }
        .footer-links ul li { margin-bottom: 12px; }
        .footer-links a:hover { color: var(--primary); }
        .footer-contact p { margin-bottom: 10px; font-size: 14px; }
        .footer-bottom { border-top: 1px solid #2a342e; padding-top: 30px; text-align: center; font-size: 14px; }
        
        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 998; opacity: 0; visibility: hidden; transition: 0.3s; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer-nav { position: fixed; top: 0; left: -320px; width: 300px; height: 100%; background: var(--bg-white); z-index: 999; box-shadow: 2px 0 10px rgba(0,0,0,0.1); transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; }
        .drawer-nav.active { left: 0; }
        .drawer-header { padding: 20px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); }
        .drawer-close { background: none; border: none; font-size: 28px; color: var(--text-main); cursor: pointer; }
        .drawer-menu { padding: 20px; overflow-y: auto; }
        .drawer-menu a { display: block; padding: 15px 0; font-size: 16px; font-weight: 500; color: var(--text-main); border-bottom: 1px solid var(--bg-body); }
        .drawer-menu a:hover { color: var(--primary); padding-left: 10px; }
        
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; text-align: center; }
            .hero-btns { justify-content: center; }
            .hero-tags { justify-content: center; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .articles-grid { grid-template-columns: repeat(2, 1fr); }
            .hot-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .main-nav, .header-actions { display: none; }
            .menu-toggle { display: flex; }
            .articles-grid, .features-grid, .footer-grid { grid-template-columns: 1fr; }
            .trust-stats { flex-direction: column; gap: 30px; }
        }