:root{
  --bg:#f5f7fb;--panel:#fff;--line:#e6e9f0;--text:#1f2633;--muted:#6b7385;
  --brand:#3f5bd8;--brand-soft:#eef1fd;--cn:#d9480f;--cn-soft:#fff1e8;--gl:#1971c2;--gl-soft:#e7f1fc;
  --radius:12px;--side:228px;--top:60px;
  --shadow:0 1px 2px rgba(20,30,60,.04),0 2px 8px rgba(20,30,60,.04);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--top) + 12px)}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* 顶栏 */
.top{position:sticky;top:0;z-index:30;height:var(--top);display:flex;align-items:center;gap:16px;padding:0 20px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;color:var(--text);white-space:nowrap}
.logo:hover{text-decoration:none}
.logo-mark{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#4f6ef7,#8b5cf6);color:#fff;font-size:13px;letter-spacing:.5px}
.top-search{flex:1;max-width:520px;margin-left:auto}
.top-search input{width:100%;height:36px;border:1px solid var(--line);border-radius:18px;padding:0 16px;background:#f7f8fb;font-size:14px;outline:none}
.top-search input:focus{border-color:var(--brand);background:#fff}
.top-nav{display:flex;gap:16px;align-items:center;white-space:nowrap}
.top-nav a{color:var(--text)}
.top-nav .lang{padding:4px 10px;border:1px solid var(--line);border-radius:14px}
.menu-btn{display:none;border:0;background:none;font-size:20px;cursor:pointer;padding:4px}

/* 布局：左分类 右卡片 */
.wrap{display:flex;max-width:1480px;margin:0 auto}
.side{position:sticky;top:var(--top);flex:0 0 var(--side);height:calc(100vh - var(--top));overflow-y:auto;padding:14px 10px 24px;border-right:1px solid var(--line);background:var(--panel)}
.side ul{list-style:none;margin:0;padding:0}
.side li a{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;color:#394152;font-size:14px}
.side li a:hover{background:#f3f5fa;text-decoration:none}
.side li a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.si{width:20px;text-align:center;flex:0 0 20px}
.sc{margin-left:auto;font-size:12px;color:#9aa1b2}
.side-submit{display:block;margin:14px 6px;padding:8px;border:1px dashed #c4cbe0;border-radius:8px;text-align:center;color:var(--brand)}
.main{flex:1;min-width:0;padding:22px 26px 40px}

/* 首屏 */
.hero{padding:26px 28px;border-radius:16px;background:linear-gradient(135deg,#eef2ff 0%,#f6f0ff 60%,#fff6ee 100%);border:1px solid #e5e8f6;margin-bottom:18px}
.hero h1{margin:0 0 6px;font-size:24px;line-height:1.35}
.hero p{margin:0 0 16px;color:var(--muted)}
.hero-search{display:flex;max-width:640px;background:#fff;border:1px solid #d9def0;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.hero-search input{flex:1;border:0;padding:0 18px;height:44px;font-size:15px;outline:none}
.hero-search button{border:0;background:var(--brand);color:#fff;padding:0 22px;font-size:15px;cursor:pointer}
.hero-cats{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.hero-cats a{padding:3px 11px;border-radius:14px;background:rgba(255,255,255,.75);border:1px solid #e3e6f2;color:#3d4556;font-size:13px}

/* 分类区块 */
.cat-sec{margin:26px 0 8px}
.sec-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.sec-hd h2{margin:0;font-size:18px;display:flex;align-items:center;gap:8px}
.sec-hd h2 small{font-weight:400;font-size:12px;color:var(--muted)}
.sec-hd a{font-size:13px;color:var(--muted)}

/* 卡片 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:12px}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s,border-color .15s}
.card:hover{transform:translateY(-2px);border-color:#cfd6ee;box-shadow:0 6px 18px rgba(40,60,120,.09)}
.card-main{display:grid;grid-template-columns:40px 1fr;grid-template-rows:auto auto auto;column-gap:11px;padding:13px 14px 12px;color:inherit;height:100%}
.card-main:hover{text-decoration:none}
.card .ico{grid-row:1 / 3}
.card-tt{display:flex;align-items:center;gap:6px;min-width:0;padding-right:20px}
.card-tt strong{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card p{grid-column:2;margin:3px 0 0;color:var(--muted);font-size:12.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:39px}
.card-tags{grid-column:1 / 3;display:flex;flex-wrap:wrap;gap:5px;margin-top:9px}
.card-tags i{font-style:normal;font-size:11px;color:#6d7488;background:#f3f5f9;padding:1px 7px;border-radius:9px}
.go{position:absolute;top:10px;right:10px;width:22px;height:22px;display:grid;place-items:center;border-radius:6px;color:#9aa1b2;font-size:13px}
.go:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}

.ico{position:relative;display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;overflow:hidden;background:hsl(var(--h) 70% 94%);color:hsl(var(--h) 55% 38%);font-weight:700;font-size:17px;flex:0 0 auto}
.ico img{position:absolute;inset:6px;width:28px;height:28px;object-fit:contain;background:#fff;border-radius:6px}
.ico-lg{width:72px;height:72px;border-radius:16px;font-size:30px}
.ico-lg img{inset:10px;width:52px;height:52px}

.bd{font-style:normal;font-size:11px;line-height:17px;padding:0 6px;border-radius:5px;white-space:nowrap}
.bd-cn{background:var(--cn-soft);color:var(--cn)}
.bd-global{background:var(--gl-soft);color:var(--gl)}
.bd-cat{background:var(--brand-soft);color:var(--brand)}
.bd-price{background:#ecf8f0;color:#2b8a3e}

/* 广告 */
.ad{margin:18px 0;min-height:90px;text-align:center;position:relative}
.ad-label{position:absolute;top:-16px;right:0;font-size:11px;color:#aab}
.ad-ph{display:grid;place-items:center;border:1px dashed #cfd5e3;border-radius:10px;color:#a0a8ba;font-size:12px;background:repeating-linear-gradient(45deg,#fafbfd,#fafbfd 10px,#f4f6fa 10px,#f4f6fa 20px)}
.side .ad{margin:10px 4px;min-height:250px}

/* 分类页/详情 */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:12px}
.crumbs b{font-weight:400;margin:0 7px;color:#c0c6d4}
.cat-head{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin-bottom:16px}
.cat-head h1{margin:0 0 6px;font-size:22px;display:flex;align-items:center;gap:8px}
.cat-head p{margin:4px 0;color:#4a5263}
.cat-stat{font-size:13px;color:var(--muted)!important}
.grid-lg{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.cat-list{margin-top:26px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 24px}
.cat-list h2{font-size:17px;margin:0 0 8px}
.cat-list li{margin:4px 0;color:#4a5263}

.detail{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 30px}
.d-head{display:flex;gap:18px;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--line)}
.d-tt{flex:1;min-width:0}
.d-tt h1{margin:0;font-size:26px;line-height:1.3}
.d-tt h1 small{font-size:15px;color:var(--muted);font-weight:400;margin-left:10px}
.d-badges{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0 2px}
.d-badges .bd{font-size:12px;line-height:22px;padding:0 9px}
.d-host{margin:4px 0 0;color:var(--muted);font-size:13px}
.btn-visit{display:inline-block;border:0;cursor:pointer;background:var(--brand);color:#fff;padding:10px 22px;border-radius:10px;font-size:15px;white-space:nowrap}
.btn-visit:hover{background:#3149bd;text-decoration:none}
.d-sec{padding-top:18px}
.d-sec h2{font-size:18px;margin:0 0 10px}
.d-sec p{margin:0 0 12px;font-size:15px;line-height:1.85;color:#2c3444}
.d-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:28px}
.facts{display:grid;grid-template-columns:84px 1fr;gap:8px 12px;margin:0;font-size:14px}
.facts dt{color:var(--muted)}
.facts dd{margin:0;overflow-wrap:anywhere}
.d-tags a{display:inline-block;margin:0 6px 4px 0;padding:1px 9px;border-radius:10px;background:#f3f5f9;color:#4f5768;font-size:12px}
.d-alt{font-size:14px}
.related{margin-top:24px}
.related h2{font-size:18px}
.prose p{font-size:15px;line-height:1.85}

/* 表单 */
.form{display:flex;flex-direction:column;gap:14px;max-width:720px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.form-wide{max-width:1100px}
.form label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:#4a5263;flex:1}
.form input,.form select,.form textarea{border:1px solid #d6dbe7;border-radius:8px;padding:9px 11px;font:inherit;font-size:14px;background:#fff}
.form textarea{resize:vertical}
.form-row{display:flex;gap:14px;flex-wrap:wrap}
.form .ck{flex-direction:row;display:inline-flex;align-items:center;margin-right:16px}
.form button{align-self:flex-start}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.flash{padding:10px 14px;border-radius:8px;max-width:720px}
.flash.ok{background:#ebfbee;color:#2b8a3e}
.flash.err{background:#fff0f0;color:#c92a2a}
.no-result{padding:30px;text-align:center;color:var(--muted)}

/* 页脚 */
.foot{border-top:1px solid var(--line);background:var(--panel);margin-top:30px}
.foot-in{max-width:1200px;margin:0 auto;padding:22px 20px;text-align:center;color:var(--muted);font-size:13px}
.foot-in p{margin:5px 0}
.foot-links a{margin:0 9px;color:#4a5263}
.foot-note{font-size:12px;color:#9aa1b2}

/* 后台 */
.admin-main{max-width:1400px;margin:0 auto;padding:20px}
.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:13px}
.tbl th,.tbl td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}
.tbl th{background:#f6f7fb}
.linkbtn{border:0;background:none;color:var(--brand);cursor:pointer;font:inherit;padding:0}
.linkbtn.danger{color:#c92a2a;margin-left:14px}
.filter{display:flex;gap:8px;margin-bottom:12px}
.filter input,.filter select{padding:6px 9px;border:1px solid #d6dbe7;border-radius:6px}

/* 移动端 */
@media (max-width:900px){
  .menu-btn{display:block}
  .top-nav a:not(.lang){display:none}
  .top-search{max-width:none}
  .logo span:last-child{display:none}
  .side{position:fixed;left:0;top:var(--top);z-index:40;transform:translateX(-100%);transition:transform .2s;box-shadow:4px 0 20px rgba(0,0,0,.08)}
  body.side-open .side{transform:none}
  .main{padding:14px}
  .hero{padding:18px}
  .hero h1{font-size:19px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:9px}
  .card-tags{display:none}
  .detail{padding:18px}
  .d-head{flex-wrap:wrap}
  .d-grid{grid-template-columns:1fr}
}