:root{
  --bg:#101114;--surface:#17181d;--raised:#1d1f26;--line:rgba(104,107,130,.24);
  --ink:#f2f3f7;--sub:#a4a7bc;--muted:#8a8da3;
  --brand:#7132f5;--brand-ink:#a98bfa;--brand-dark:#5741d8;--brand-sub:rgba(133,91,251,.16);
  --up:#ec6a62;--up-bg:rgba(224,82,79,.16);--down:#1fb876;--down-bg:rgba(20,158,97,.16);
  --neu-bg:rgba(104,107,130,.12);--warn:#f0a020;
}
*{box-sizing:border-box;margin:0;padding:0}
/* == bare-link fallback (auto) ==
/* 由 JS 动态渲染的 <a> 常不带 class；若 CSS 里没有任何 a 的颜色规则，
   它们会退化成浏览器默认蓝(#0000ee) + 下划线，在深色底上不可读。
   下面第一条是最低优先级的「安全网」，不会影响任何已显式着色的链接。*/
a{color:inherit}
.tbl-wrap a,.signals a,.sig a{color:var(--brand-ink);text-decoration:none;transition:color .15s ease}
.tbl-wrap a:hover,.signals a:hover,.sig a:hover{color:var(--ink)}
.foot-note a{color:var(--brand-ink);text-decoration:none}
.foot-note a:hover{color:var(--ink)}
/* == /bare-link fallback == */
body{font-family:'IBM Plex Sans','Noto Sans SC',Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.38;font-size:16px}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
/* nav */
.top{position:sticky;top:0;z-index:50;background:rgba(16,17,20,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top-in{max-width:1180px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:8px}
.logo{font-weight:700;font-size:19px;letter-spacing:-.3px;text-decoration:none;color:var(--ink)}
.logo .b{color:var(--brand-ink)}
.nav{display:flex;gap:2px;margin-left:24px;overflow-x:auto}
.nav a{padding:8px 14px;border-radius:12px;color:var(--sub);font-size:14.5px;font-weight:500;text-decoration:none;white-space:nowrap}
.nav a:hover{color:var(--ink);background:var(--raised)}
.nav a.active{color:var(--ink);background:var(--brand-sub)}
/* buttons */
.btn{display:inline-block;border:0;cursor:pointer;text-decoration:none;font-weight:600;font-size:16px;border-radius:12px;padding:13px 16px;transition:.15s;font-family:inherit}
.btn-p{background:var(--brand);color:#fff}
.btn-p:hover{background:var(--brand-dark)}
.btn-o{background:transparent;color:#9d7bf8;border:1px solid rgba(113,50,245,.6)}
.btn-o:hover{background:var(--brand-sub)}
.btn-s{background:var(--brand-sub);color:#b79bff;font-size:14px;padding:8px 14px}
/* layout blocks */
.hero{padding:56px 0 40px}
.hero .eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b79bff;background:var(--brand-sub);border-radius:6px;padding:4px 10px;margin-bottom:18px}
.hero h1{font-size:48px;font-weight:700;line-height:1.17;letter-spacing:-1px;max-width:720px}
.hero h1 .g{color:var(--brand-ink)}
.hero p{color:var(--sub);font-size:17px;margin-top:14px;max-width:640px}
.hero .cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.page-head{padding:36px 0 8px;display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px}
.page-head h1{font-size:36px;font-weight:700;letter-spacing:-.5px}
.page-head .sub{color:var(--sub);font-size:14px;margin-top:6px;max-width:680px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin:44px 0 16px}
.sec-head h2{font-size:28px;font-weight:700;letter-spacing:-.5px}
.sec-head a{color:#9d7bf8;font-size:14px;text-decoration:none;font-weight:500}
.sec-label{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:34px 0 14px}
.sec-label .hint{font-weight:400;text-transform:none;letter-spacing:0;margin-left:10px;color:var(--muted)}
/* kpi */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:8px 0 40px}
.kpis.tight{margin:18px 0 8px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.kpi .l{font-size:13px;color:var(--sub)}
.kpi .n{font-size:32px;font-weight:700;margin-top:6px;letter-spacing:-.5px}
.kpi .n small{font-size:15px;color:var(--sub);font-weight:500}
.kpi .d{font-size:12px;color:var(--muted);margin-top:4px}
.kpi .d b{color:var(--up);font-weight:600}
.mini-spark{margin-top:8px;display:block}
/* cards & entries */
/* 列数自适应：原来写死 3 列，加一张卡就会掉到第二行落单。
   auto-fit + minmax 让 3 张卡铺 3 列、4 张卡铺 4 列，窄屏自动换行。 */
.entries{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.entry{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 24px;text-decoration:none;color:inherit;display:block;transition:.15s}
.entry:hover{border-color:rgba(113,50,245,.55);transform:translateY(-2px)}
.entry .ic{font-size:22px}
.entry h3{font-size:20px;font-weight:600;margin:10px 0 4px}
.entry p{color:var(--sub);font-size:14px}
.entry .st{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:6px}
.badge.n{background:var(--neu-bg);color:var(--sub)}
.badge.t{background:var(--brand-sub);color:#b79bff}
.badge.up{background:var(--up-bg);color:var(--up)}
.badge.down{background:var(--down-bg);color:var(--down)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.card h3{font-size:16px;font-weight:600;margin-bottom:8px}
/* rows / ledger */
.ledger{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-top:1px solid var(--line);font-size:14px}
.row:first-of-type{border-top:0}
.row .sym{font-weight:600}
.row .why{color:var(--sub);font-size:13px;margin-left:10px;flex:1;text-align:right}
/* signals */
.signals{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.sig{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 24px;display:flex;flex-direction:column;transition:.15s}
.sig:hover{border-color:rgba(113,50,245,.55);transform:translateY(-2px)}
.sig .rank{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.06em}
.sig .hd{display:flex;align-items:center;gap:10px;margin-top:8px;flex-wrap:wrap}
.sig .hd .name{font-size:22px;font-weight:700;letter-spacing:-.3px}
.sig .hd .ct{font-size:13px;color:var(--muted)}
.sig .logic{color:var(--sub);font-size:14px;margin:12px 0 14px;flex:1;line-height:1.5}
.sig .kv{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:12.5px}
.sig .kv>div{background:var(--raised);border-radius:10px;padding:8px 12px}
.sig .kv .k{color:var(--muted);font-size:11.5px}
.sig .kv .v{font-weight:600;margin-top:2px}
.sig .foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:13px}
.sig .foot .src{color:var(--muted);font-size:12px}
/* table */
.tbl-wrap{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:14px}
th{background:var(--raised);color:var(--sub);font-weight:600;text-align:left;padding:12px 16px;font-size:12.5px}
td{padding:12px 16px;border-top:1px solid var(--line)}
tr:hover td{background:rgba(113,50,245,.05)}
td .sym{font-weight:600}
td .logic{color:var(--sub);font-size:13px}
td .src{color:var(--muted);font-size:12px}
.score{font-weight:600}
.hit{color:var(--up);font-weight:600}.miss{color:var(--down);font-weight:600}
.rate-bar{position:relative;height:6px;background:var(--neu-bg);border-radius:3px;width:110px;display:inline-block;vertical-align:middle;margin-right:10px}
.rate-bar i{position:absolute;left:0;top:0;bottom:0;border-radius:3px;background:var(--brand)}
/* chart */
.chart-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 24px}
.chart-card h3{font-size:17px;font-weight:600;display:flex;justify-content:space-between;align-items:baseline}
.chart-card h3 .r{font-size:12.5px;color:var(--muted);font-weight:400}
.bars{display:flex;align-items:flex-end;gap:6px;height:150px;margin-top:18px}
.bar-g{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bar-g .bar{width:100%;max-width:34px;background:var(--brand);border-radius:6px 6px 3px 3px;opacity:.85}
.bar-g .bar.hit{background:var(--up)}
.bar-g .vl{font-size:11px;color:var(--sub)}
.baseline{border-top:1px dashed rgba(104,107,130,.4)}
.xlab{display:flex;gap:6px;margin-top:8px}
.xlab span{flex:1;text-align:center;font-size:11px;color:var(--muted)}
.legend{display:flex;gap:16px;font-size:12px;color:var(--sub);margin-top:12px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
/* dist / filter / misc */
.dist{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:22px 0}
.dist .d{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 18px;text-align:center}
.dist .d .n{font-size:30px;font-weight:700}
.dist .d .l{font-size:12.5px;color:var(--sub);margin-top:2px}
.dist .d.up .n{color:var(--up)}.dist .d.down .n{color:var(--down)}.dist .d.n .n{color:var(--sub)}
.filter{display:flex;gap:10px;margin:6px 0 14px;flex-wrap:wrap}
.search{flex:1;min-width:220px;background:var(--raised);border:1px solid var(--line);border-radius:12px;padding:9px 14px;color:var(--ink);font-size:14px;font-family:inherit}
.search:focus{outline:0;border-color:var(--brand)}
.tabs{display:flex;background:var(--raised);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tabs button{border:0;background:transparent;color:var(--sub);font-family:inherit;font-size:14px;font-weight:500;padding:9px 16px;cursor:pointer}
.tabs button.on{background:var(--brand-sub);color:#b79bff;font-weight:600}
.range-sw{display:flex;background:var(--raised);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.range-sw button{border:0;background:transparent;color:var(--sub);font-family:inherit;font-size:14px;font-weight:500;padding:9px 16px;cursor:pointer}
.range-sw button.on{background:var(--brand-sub);color:#b79bff;font-weight:600}
.live{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:9999px;padding:8px 16px;font-size:13px;color:var(--sub)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--down);display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.check-ok{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:13.5px;color:var(--sub);margin-top:14px}
.check-ok b{color:var(--down)}
.foot-note{color:var(--muted);font-size:12.5px;margin:14px 2px 0}
/* subscribe */
.subscribe{background:linear-gradient(180deg,var(--surface),var(--bg));border:1px solid var(--line);border-radius:16px;padding:32px;margin:52px 0 0;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.subscribe h3{font-size:22px;font-weight:600;letter-spacing:-.3px}
.subscribe p{color:var(--sub);font-size:14px;margin-top:6px}
.sub-form{display:flex;gap:10px;flex:1;min-width:300px;max-width:460px}
.sub-form input{flex:1;background:var(--raised);border:1px solid var(--line);border-radius:12px;padding:12px 16px;color:var(--ink);font-size:15px;font-family:inherit}
.sub-form input:focus{outline:0;border-color:var(--brand)}
.sub-note{font-size:12px;color:var(--muted);margin-top:8px}
/* method page */
.method-wrap{max-width:900px}
.method-wrap h2{font-size:26px;font-weight:700;letter-spacing:-.4px;margin:44px 0 16px;padding-left:12px;border-left:4px solid var(--brand)}
.step{display:flex;gap:18px;padding:16px 0;border-top:1px solid var(--line)}
.step:first-of-type{border-top:0;padding-top:4px}
.step .no{flex-shrink:0;width:34px;height:34px;border-radius:12px;background:var(--brand-sub);color:#b79bff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center}
.step h3{font-size:16.5px;font-weight:600}
.step p{color:var(--sub);font-size:14px;margin-top:5px}
.step .freq{display:inline-block;margin-top:8px;font-size:12px;font-weight:600;color:var(--muted);background:var(--neu-bg);border-radius:6px;padding:3px 9px}
.callout{border-left:4px solid var(--brand);background:var(--brand-sub);border-radius:0 12px 12px 0;padding:14px 18px;font-size:14px;color:var(--ink);margin:14px 0}
.callout b{color:#b79bff}
.faq h3{font-size:16px;font-weight:600;margin-bottom:8px}
.faq p{color:var(--sub);font-size:14.5px;margin-bottom:14px}
footer{margin-top:52px;border-top:1px solid var(--line);padding:28px 0 44px}
footer .disc{font-size:12.5px;color:var(--muted);max-width:840px;line-height:1.6}
footer .cp{font-size:12px;color:var(--muted);margin-top:14px}
.skeleton{color:var(--muted);font-size:13px;padding:20px 4px}
@media(max-width:900px){.entries,.ledger,.signals,.cards3{grid-template-columns:1fr}.kpis,.dist{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:34px}}
@media(max-width:640px){.nav{display:none}.hero{padding:36px 0 28px}.hero h1{font-size:28px;letter-spacing:-.5px}.page-head h1{font-size:28px}.tbl-wrap{overflow-x:auto}table{min-width:640px}.sub-form{min-width:0;width:100%}}