:root{--brand:#4990c4;--brand-dark:#3379ab;--brand-light:#caeeff;--ink:#222;--ink-soft:#555;--ink-faint:#888;--line:#e4e8ee;--bg:#f5f7fa;--card:#fff;--danger:#d9534f;--ok:#3c8c50;--radius:8px;--shadow:0 1px 4px #1e3c5a14}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:var(--ink);background:var(--bg);margin:0;font-family:PingFang SC,Microsoft YaHei,Hiragino Sans GB,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.65}a{color:var(--brand-dark);text-decoration:none}a:hover{color:var(--brand)}img{max-width:100%}.container{max-width:1150px;margin:0 auto;padding:0 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card+.card{margin-top:16px}.card-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.card-head h2,.card-head h3{border-left:4px solid var(--brand);margin:0;padding-left:10px;font-size:17px;line-height:1.3}.card-body{padding:14px 16px}.more-link{color:var(--ink-faint);white-space:nowrap;font-size:13px}.news-list{margin:0;padding:0;list-style:none}.news-list li{border-bottom:1px dashed var(--line);align-items:baseline;gap:8px;padding:7px 0;display:flex}.news-list li:last-child{border-bottom:0}.news-list .title{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.news-list .date{color:var(--ink-faint);white-space:nowrap;font-size:13px}.news-list .tag{color:var(--brand-dark);background:var(--brand-light);white-space:nowrap;border-radius:3px;padding:1px 6px;font-size:12px}.form-grid{gap:12px;display:grid}.form-row{flex-wrap:wrap;gap:12px;display:flex}.form-row>*{flex:1;min-width:200px}.field{flex-direction:column;gap:4px;display:flex}.field label{color:var(--ink-soft);font-size:13px}.field .req:after{content:" *";color:var(--danger)}input[type=email],input[type=number],input[type=password],input[type=text],input[type=url],select,textarea{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid #ccd4de;border-radius:6px;padding:8px 10px}input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 2px #4990c426}textarea{resize:vertical;min-height:120px}.btn{background:var(--brand);color:#fff;font:inherit;cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:8px 18px;display:inline-flex}.btn:hover{background:var(--brand-dark);color:#fff}.btn.secondary{color:var(--brand-dark);border-color:var(--brand);background:#fff}.btn.secondary:hover{background:var(--brand-light)}.btn.ghost{color:var(--ink-soft);background:#eee}.btn.ghost:hover{color:var(--ink);background:#e0e3e8}.btn.danger{background:var(--danger)}.btn.small{padding:4px 10px;font-size:13px}.btn:disabled{opacity:.6;cursor:not-allowed}.alert{border-radius:6px;margin:10px 0;padding:10px 14px;font-size:14px}.alert.error{color:var(--danger);background:#fdeaea;border:1px solid #f5c2c0}.alert.success{color:var(--ok);background:#e8f6ec;border:1px solid #bfe5c9}.alert.info{background:var(--brand-light);color:var(--brand-dark)}.table{border-collapse:collapse;width:100%;font-size:14px}.table td,.table th{border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;padding:9px 10px}.table th{color:var(--ink-soft);white-space:nowrap;background:#f0f4f8;font-weight:600}.table tr:hover td{background:#f8fafc}.pagination{flex-wrap:wrap;justify-content:center;gap:6px;padding:14px 0 4px;display:flex}.pagination button,.pagination span.current{border:1px solid var(--line);min-width:34px;color:var(--ink-soft);font:inherit;cursor:pointer;text-align:center;background:#fff;border-radius:5px;padding:5px 10px}.pagination span.current{background:var(--brand);color:#fff;border-color:var(--brand);cursor:default}.pagination button:disabled{opacity:.4;cursor:not-allowed}.prose{overflow-wrap:break-word}.prose img{max-width:100%;height:auto}.prose table{border-collapse:collapse;max-width:100%}.prose table td,.prose table th{border:1px solid var(--line);padding:6px 8px}.prose p{margin:.6em 0}.prose blockquote{border-left:4px solid var(--brand-light);color:var(--ink-soft);background:#f8fafc;margin:.8em 0;padding:8px 14px}.text-faint{color:var(--ink-faint);font-size:13px}.mt-2{margin-top:16px}.flex-between{justify-content:space-between;align-items:center;gap:10px;display:flex}.center-page{max-width:460px;margin:48px auto}.wide-page{max-width:720px;margin:48px auto}