:root{--primary: #1a73e8;--primary-dark: #1557b0;--primary-light: #4a90e2;--accent: #0097a7;--accent-light: #00bcd4;--bg: #f5f6fa;--surface: #ffffff;--text-primary: #1a1a2e;--text-secondary: #555;--text-muted: #888;--border: #e8eaed;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 3px 10px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.06);--shadow-lg: 0 8px 30px rgba(0,0,0,.1), 0 2px 8px rgba(0,0,0,.06);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition: cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text-primary);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 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transparent;margin-left:2px}.video-item:hover .video-play{background:#1a73e8d9}.video-title{font-size:12px;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-meta{font-size:11px;color:var(--text-muted);margin-top:3px}.ent-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:10px 12px 12px}.ent-item{border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;transition:transform .25s}.ent-item:hover{transform:scale(1.03)}.ent-img{width:100%;height:110px;background:#e0e4e8;overflow:hidden}.ent-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.ent-item:hover .ent-img img{transform:scale(1.06)}.ent-title{font-size:12px;color:var(--text-primary);padding:4px 2px 0;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}footer{background:var(--surface);border-top:1px solid var(--border);padding:24px 28px;margin-top:18px}.footer-links{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:12px}.footer-links a{font-size:12px;color:var(--text-muted);text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--primary)}.footer-copy{text-align:center;font-size:12px;color:#bbb}.img-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:26px;background:#edf0f5}@media(max-width:900px){.main{grid-template-columns:1fr}.top-nav{display:none}.article-grid{grid-template-columns:1fr}.banner-ad-inner{flex-direction:row;height:90px;padding:0;max-width:100%}.banner-slot{height:90px;min-height:90px}.banner-slot.has-ad img{max-width:100%;height:90px;object-fit:cover}.search-section{padding:22px 16px 18px}.weather-card{padding:16px 18px}.nav-grid{grid-template-columns:repeat(4,1fr)}.inline-ad-img{width:100px;height:70px;flex-shrink:0}.inline-ad-inner{gap:10px;padding:10px 12px}}