*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;font-size:13px;line-height:1.5;color:#333;background:#fff;}
a{color:#4a9eff;text-decoration:none;}
code{font-family:Consolas,Monaco,monospace;font-size:12px;color:#4a9eff;word-break:break-all;}
pre{background:#1e1e1e;color:#dcdcdc;padding:12px;border-radius:6px;overflow-x:auto;font-size:12px;line-height:1.6;}
pre code{color:#dcdcdc;}

.topbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:16px;padding:10px 16px;background:#fff;border-bottom:1px solid #e8eef7;}
.brand{font-weight:700;color:#4a9eff;font-size:16px;white-space:nowrap;}
.nav{display:flex;gap:14px;overflow-x:auto;white-space:nowrap;flex:1;}
.nav a{color:#555;font-size:13px;}
.nav a:hover{color:#4a9eff;}

.container{max-width:1100px;margin:0 auto;padding:16px;}

.hero{padding:24px 0 16px;}
.hero h1{font-size:22px;color:#4a9eff;}
.subtitle{color:#888;margin-top:6px;font-size:13px;}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0;}
.stat{background:#f5f9ff;border:1px solid #e8eef7;border-radius:8px;padding:12px;text-align:center;}
.stat b{display:block;font-size:18px;color:#4a9eff;}
.stat span{font-size:11px;color:#888;}

.block{margin:20px 0;}
.block h2{font-size:16px;color:#4a9eff;margin-bottom:12px;padding-left:8px;border-left:3px solid #4a9eff;}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.card{background:#fff;border:1px solid #e8eef7;border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:6px;}
.card h3{font-size:14px;color:#4a9eff;}
.card p{color:#777;font-size:12px;}
.card code{display:block;background:#f5f9ff;padding:6px;border-radius:4px;}
.card-actions{display:flex;gap:8px;margin-top:4px;}

.btn{display:inline-block;background:#4a9eff;color:#fff;padding:7px 14px;border:none;border-radius:6px;cursor:pointer;font-size:12px;text-align:center;}
.btn:hover{opacity:.9;}
.back{display:inline-block;color:#4a9eff;margin-bottom:12px;font-size:13px;}

.ann-item{background:#f5f9ff;border:1px solid #e8eef7;border-radius:6px;padding:10px;margin-bottom:8px;}
.ann-item b{color:#4a9eff;}

.links{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px;}
.link{display:block;background:#f5f9ff;border:1px solid #e8eef7;border-radius:6px;padding:10px;text-align:center;color:#4a9eff;}

.form{max-width:520px;}
.form label{display:block;margin:10px 0 4px;color:#555;font-size:12px;}
.form input,.form textarea{width:100%;padding:8px 10px;border:1px solid #dce6f2;border-radius:6px;font-size:13px;font-family:inherit;}
.form textarea{min-height:80px;resize:vertical;}
.form .row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.form .check{display:flex;align-items:center;gap:6px;margin-top:10px;}
.muted{color:#999;font-size:12px;}
.empty{text-align:center;padding:40px;color:#999;}
.error{background:#fff2f2;color:#d33;border:1px solid #fcc;padding:10px;border-radius:6px;margin-bottom:12px;}

.footer{text-align:center;padding:20px;color:#bbb;font-size:12px;border-top:1px solid #eee;margin-top:30px;}

/* 详情页 */
.detail .info{margin:16px 0;}
.detail table{width:100%;border-collapse:collapse;font-size:12px;}
.detail td,.detail th{padding:8px 10px;text-align:left;border-bottom:1px solid #eef3f9;vertical-align:top;}
.detail th{color:#4a9eff;background:#f5f9ff;}
.table-wrap{overflow-x:auto;}

/* 后台 */
.tabs{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap;}
.tabs a{padding:7px 14px;background:#f5f9ff;border-radius:6px;color:#555;}
.tabs a.active{background:#4a9eff;color:#fff;}
.admin-table{width:100%;border-collapse:collapse;font-size:12px;margin-top:12px;}
.admin-table th,.admin-table td{padding:8px;text-align:left;border-bottom:1px solid #eef3f9;}
.admin-table th{color:#4a9eff;background:#f5f9ff;}
.admin-table .break{word-break:break-all;}
.admin-table a{margin-right:8px;}

.login{min-height:60vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.login .card{max-width:360px;width:100%;padding:24px;}
.login h1{font-size:18px;color:#4a9eff;text-align:center;margin-bottom:20px;}
.login label{display:block;margin:12px 0 4px;color:#555;font-size:12px;}
.login input{width:100%;padding:9px 10px;border:1px solid #dce6f2;border-radius:6px;}
.login .btn{width:100%;margin-top:18px;padding:10px;}

/* 自适应断点 */
@media(max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr);}
  .links{grid-template-columns:repeat(3,1fr);}
}
@media(max-width:600px){
  .container{padding:12px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:8px;}
  .cards{grid-template-columns:1fr;}
  .links{grid-template-columns:repeat(2,1fr);}
  .form .row{grid-template-columns:1fr;}
  .hero h1{font-size:19px;}
  .admin-table th:nth-child(2),.admin-table td:nth-child(2){display:none;}
}