*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #f6f7f9;--card-bg: #fff;--text: #222;--text-secondary: #666;--text-muted: #999;--border: #e8e8e8;--primary: #00a1d6;--primary-hover: #0086b3;--accent: #fb7299;--tag-bg: #f0f2f5;--shadow: 0 2px 8px rgba(0, 0, 0, .06);--radius: 8px;--max-width: 1200px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}.nav{background:var(--card-bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.nav-inner{max-width:var(--max-width);margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:20px;font-weight:700;color:var(--primary)!important}.nav-links{display:flex;gap:24px}.nav-links a{color:var(--text-secondary);font-size:15px;font-weight:500}.nav-links a:hover{color:var(--primary)}.main{max-width:var(--max-width);margin:0 auto;padding:24px 20px;min-height:calc(100vh - 116px)}.footer{text-align:center;padding:20px;color:var(--text-muted);font-size:13px;border-top:1px solid var(--border);background:var(--card-bg)}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px;transition:box-shadow .2s}.card:hover{box-shadow:0 4px 16px #0000001a}.page-title{font-size:28px;font-weight:700;margin-bottom:8px;color:var(--text)}.page-desc{color:var(--text-secondary);margin-bottom:24px;font-size:15px}.tag{display:inline-block;background:var(--tag-bg);color:var(--text-secondary);padding:2px 10px;border-radius:12px;font-size:12px;margin-right:6px;margin-bottom:4px}.stat{display:inline-flex;align-items:center;gap:4px;color:var(--text-muted);font-size:13px;margin-right:12px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}.breadcrumb{margin-bottom:16px;color:var(--text-muted);font-size:14px}.breadcrumb a{color:var(--text-muted)}.breadcrumb a:hover{color:var(--primary)}.breadcrumb span{margin:0 6px}@media(max-width:768px){.grid{grid-template-columns:1fr}.main{padding:16px 12px}.page-title{font-size:22px}}