*{box-sizing:border-box}
:root{--bg:#F7F8FA;--card:#fff;--line:#EAEDF2;--txt:#16191F;--muted:#8A9099;
--blue:#2F6BFF;--up:#E5482F;--down:#12A05C;--radius:16px;
--shadow:0 1px 2px rgba(16,24,40,.04);--shadow-h:0 10px 26px rgba(16,24,40,.08)}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);
font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}

/* 顶栏：浅色、细边、半透明 */
.top{background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);
-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
position:sticky;top:0;z-index:20}
.top-in{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px;
letter-spacing:-.2px;white-space:nowrap;color:var(--txt)}
.logo::before{content:"";width:11px;height:11px;border-radius:4px;
background:var(--blue);flex:none}
.logo span{font-size:11px;font-weight:500;color:#6B7688;background:#F2F4F8;
border-radius:99px;padding:2px 8px;margin-left:2px}
.top-search{flex:1;display:flex;max-width:440px;background:#F2F4F8;border-radius:99px;padding:4px}
.top-search input{flex:1;border:0;background:transparent;color:var(--txt);
padding:7px 14px;font-size:14px;outline:none}
.top-search input::placeholder{color:#9AA1AD}
.top-search button{border:0;background:var(--blue);color:#fff;padding:0 18px;
font-size:14px;height:34px;border-radius:99px;cursor:pointer}
.top-search button:hover{filter:brightness(1.05)}
.top-nav{display:flex;gap:20px;font-size:14px;color:#5A6474;overflow:hidden}
.top-nav a{white-space:nowrap;padding:4px 0;border-bottom:2px solid transparent}
.top-nav a.on,.top-nav a:hover{color:var(--blue);border-bottom-color:var(--blue)}

/* 首屏：白色卡片，不再用深色底 */
.hero{background:#fff;border:1px solid var(--line);border-radius:22px;
padding:28px 24px 22px;margin:20px 0 10px;box-shadow:var(--shadow)}
.hero h1{margin:0 0 8px;font-size:27px;line-height:1.28;letter-spacing:-.5px;font-weight:700}
.hero-sub{margin:0;color:var(--muted);font-size:13px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0 0}
.stats div{background:#F7F8FA;border-radius:14px;padding:13px 15px;
display:flex;flex-direction:column;gap:2px}
.stats b{font-size:23px;line-height:1.15;font-weight:700}
.stats span{font-size:12px;color:var(--muted)}
.hero-note{margin:16px 0 0;padding:11px 15px;background:#FFF8E9;color:#8A6320;
border-radius:12px;font-size:12.5px;line-height:1.55}

/* 通用 */
h2.h2{font-size:18px;margin:30px 0 14px;display:flex;align-items:baseline;gap:10px;
letter-spacing:-.2px;font-weight:700}
.h2-sub{font-size:12px;color:var(--muted);font-weight:400}
.page-h1{font-size:23px;margin:16px 0 6px;letter-spacing:-.4px}
.page-sub,.page-note{margin:0 0 6px;font-size:13px;color:var(--muted)}
.page-note{font-size:12px}
.muted{color:var(--muted);font-size:13px}
.crumb{font-size:12px;color:var(--muted);margin:14px 0 0;word-break:break-all}
.up{color:var(--up)} .down{color:var(--down)} .flat{color:var(--muted);font-style:normal}

/* 分类卡 */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 16px 14px;
display:flex;flex-direction:column;gap:11px;transition:transform .18s,box-shadow .18s,border-color .18s;
box-shadow:var(--shadow)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:#DCE3EE}
.card-top{display:flex;align-items:center;gap:10px}
.ico{width:38px;height:38px;border-radius:12px;background:#F1F5FF;
display:flex;align-items:center;justify-content:center;font-size:19px;flex:none}
.card-name{font-weight:600;font-size:15px;letter-spacing:-.1px}
.card-n{font-size:12px;color:var(--muted);display:flex;align-items:baseline;gap:3px}
.card-n b{font-size:21px;line-height:1;color:var(--txt);font-weight:700;letter-spacing:-.5px}
.card-foot{display:flex;justify-content:space-between;align-items:center;font-size:12px;
color:var(--muted);border-top:1px solid var(--line);padding-top:11px;margin-top:auto}
.card-chg b{margin-left:6px;font-size:12px}
.card-empty{opacity:.6;background:transparent;border-style:dashed;box-shadow:none}
.card-empty .card-n{font-size:13px}

/* 榜单 */
.boards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px}
.board{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;
box-shadow:var(--shadow)}
.board h3{margin:0 0 6px;font-size:14px;font-weight:600}
.board ul{list-style:none;margin:0;padding:0}
.board li{display:flex;align-items:center;gap:10px;padding:9px 0;
border-top:1px solid #F2F4F8;font-size:13.5px}
.board li:first-child{border-top:0}
.board li a{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board .p{color:var(--muted)}
.chg{font-size:12px;font-weight:600}
.chg.up{color:var(--up)} .chg.down{color:var(--down)} .chg.flat,.chg.new{color:var(--muted)}

/* 品牌胶囊 */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 20px}
.chip{background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 14px;
font-size:13px;color:#3D4655;transition:.15s}
.chip:hover{border-color:#C9D6F5;color:var(--blue)}
.chip i{font-style:normal;color:#A2A9B5;font-size:11px;margin-left:7px}

/* 表格 */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:auto;
box-shadow:var(--shadow)}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:13px 16px;text-align:left;border-top:1px solid #F2F4F8}
.tbl thead th{border-top:0;background:#FBFCFE;color:var(--muted);font-weight:500;font-size:12px;
letter-spacing:.2px}
.tbl tbody tr:hover{background:#FAFBFE}
.t-name a{font-weight:500}
.t-name em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:3px}
.t-price{white-space:nowrap;font-weight:600}
.t-chg{width:86px;white-space:nowrap}
.brand{margin-bottom:10px}

/* 详情 */
.detail{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;margin-top:16px;
box-shadow:var(--shadow)}
.price-row{display:flex;align-items:baseline;gap:12px;margin:8px 0 18px;flex-wrap:wrap}
.big{font-size:32px;font-weight:800;color:var(--blue);letter-spacing:-1px}
.prev{font-size:12px;color:var(--muted)}
.spec{margin:0;display:grid;gap:10px}
.spec div{display:flex;gap:14px;font-size:14px}
.spec dt{color:var(--muted);min-width:64px}
.spec dd{margin:0}
.detail-note{margin:18px 0 0;padding-top:14px;border-top:1px solid var(--line);
font-size:12px;color:var(--muted)}
.rel{list-style:none;margin:0;padding:0;background:#fff;border:1px solid var(--line);
border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.rel li{display:flex;justify-content:space-between;gap:10px;padding:13px 16px;
border-top:1px solid #F2F4F8;font-size:14px}
.rel li:first-child{border-top:0}
.rel span{color:var(--muted);white-space:nowrap}
.rel.big li{padding:13px 16px}

/* 搜索 */
.big-search{display:flex;gap:10px;margin:16px 0}
.big-search input{flex:1;padding:13px 18px;border:1px solid var(--line);border-radius:14px;
font-size:15px;outline:none;background:#fff}
.big-search input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(47,107,255,.1)}
.big-search button{border:0;background:var(--blue);color:#fff;border-radius:14px;
padding:0 24px;font-size:15px;cursor:pointer}

/* 广告位 */
.ad{margin:20px 0;min-height:70px;background:#fff;border:1px dashed #E1E6EF;
border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}

/* CPS 比价按钮 */
.cps{margin:18px 0;background:#fff;border:1px solid var(--line);border-radius:18px;
padding:16px 18px;box-shadow:var(--shadow)}
.cps-row{display:flex;align-items:center;justify-content:space-between;gap:14px}
.cps-l{display:flex;flex-direction:column;gap:3px;min-width:0}
.cps-name{font-weight:600;font-size:15px}
.cps-tip{font-size:12px;color:var(--muted)}
.cps-btn{flex:none;background:var(--blue);color:#fff;font-size:14px;padding:11px 20px;
border-radius:12px;white-space:nowrap}
.cps-btn:active{opacity:.85}
.cps-ad{margin:11px 0 0;font-size:11px;color:var(--muted);line-height:1.5}

/* 关于页 */
.doc{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;margin-top:18px;
box-shadow:var(--shadow)}
.doc h2{font-size:16px;margin:24px 0 8px}
.doc p{font-size:14px;color:#3D4655}

/* 页脚 */
.foot{margin:44px 0 0;padding:26px 0 34px;background:#fff;border-top:1px solid var(--line);
font-size:13px;color:var(--muted)}
.foot-cats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px}
.foot-cats a{color:#5A6474}
.foot-cats a:hover{color:var(--blue)}
.foot-note{margin:0 0 12px}
.foot-about{display:flex;flex-wrap:wrap;gap:12px;margin:0}
.foot-about a{color:var(--blue)}
.foot-ico{margin:10px 0 0;font-size:12px;color:var(--muted)}
.seo{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;margin-top:14px;
box-shadow:var(--shadow)}
.seo p{font-size:14px;color:#3D4655;margin:0 0 10px}

@media (max-width:720px){
 .wrap{padding:0 14px}
 .top-in{height:58px;gap:12px}
 .top-nav{display:none}
 .logo{font-size:16px}
 .top-search{max-width:none}
 .top-search input{font-size:13px;padding:7px 12px}
 .top-search button{padding:0 14px;font-size:13px}
 .hero{padding:22px 18px 18px;border-radius:18px;margin:14px 0 8px}
 .hero h1{font-size:22px}
 .stats{gap:8px;margin-top:16px}
 .stats div{padding:11px 12px;border-radius:12px}
 .stats b{font-size:20px}
 .h2{margin:24px 0 12px}
 .cards{grid-template-columns:repeat(2,1fr);gap:10px}
 .card{padding:14px 13px 12px;gap:9px;border-radius:16px}
 .ico{width:34px;height:34px;font-size:17px;border-radius:10px}
 .card-name{font-size:14px}
 .card-n b{font-size:19px}
 .boards{grid-template-columns:1fr}
 .big{font-size:27px}
 .detail,.doc,.seo{padding:18px;border-radius:16px}
 .tbl th,.tbl td{padding:11px 12px}
}