:root{
  --bg:#f6f5f2; --panel:#ffffff; --ink:#16181d; --ink2:#4a4f5a; --muted:#8a8f99;
  --line:#e6e3dc; --accent:#f7931a; --accent-ink:#b85f00; --up:#0f9d58; --down:#d93025;
  --chip:#efece6; --shadow:0 1px 2px rgba(20,20,20,.04),0 4px 16px rgba(20,20,20,.04);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0f1115; --panel:#171a20; --ink:#eceef2; --ink2:#b6bbc5; --muted:#7d8390;
    --line:#262a33; --accent:#f7931a; --accent-ink:#ffb04d; --up:#2fbf71; --down:#ff6b5e;
    --chip:#20242c; --shadow:none;
  }
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans","Apple SD Gothic Neo","Noto Sans CJK SC","Microsoft YaHei",Roboto,sans-serif}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)} .small{font-size:12px;margin:10px 0 0}

/* header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:28px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em}
.mark{width:26px;height:26px;border-radius:7px;background:var(--accent);position:relative;flex:none}
.mark::after{content:"";position:absolute;inset:6px;background:#fff;transform:rotate(45deg) scale(.8);border-radius:2px}
.nav{display:flex;gap:4px;flex:1}
.nav a{padding:6px 12px;border-radius:8px;color:var(--ink2);font-size:15px;font-weight:500}
.nav a:hover,.nav a.on{color:var(--ink);background:var(--chip)}

.langs{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:10px;
  background:var(--panel);color:var(--ink);font:inherit;font-size:14px;cursor:pointer}
.lang-btn:hover{border-color:var(--muted)}
.lang-menu{position:absolute;right:0;top:44px;z-index:200;min-width:170px;margin:0;padding:6px;list-style:none;background:var(--panel);
  border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.14);display:none}
.lang-menu.open{display:block}
.lang-menu a{display:block;padding:8px 12px;border-radius:8px;font-size:15px}
.lang-menu a:hover{background:var(--chip)}
.lang-menu a.cur{color:var(--accent-ink);font-weight:700}

/* ticker */
.ticker{display:flex;gap:22px;overflow-x:auto;scrollbar-width:none;padding:8px 20px;max-width:1180px;margin:0 auto;font-size:13px;white-space:nowrap;min-height:37px}
.ticker::-webkit-scrollbar{display:none}
.ticker{-webkit-mask-image:linear-gradient(90deg,#000 92%,transparent);mask-image:linear-gradient(90deg,#000 92%,transparent)}
.tk{display:inline-flex;gap:6px;align-items:baseline}
.tk b{font-weight:700} .tk span{color:var(--ink2);font-variant-numeric:tabular-nums}
.up{color:var(--up)!important} .down{color:var(--down)!important}

/* layout */
.grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;padding-top:28px;padding-bottom:48px}
.feed-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
h1{font-size:28px;line-height:1.25;margin:0;letter-spacing:-.02em}

.switch{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink2);cursor:pointer;user-select:none;white-space:nowrap}
.switch input{position:absolute;opacity:0;pointer-events:none}
.track{width:36px;height:20px;border-radius:20px;background:var(--line);position:relative;transition:.2s}
.track::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.2);transition:.2s}
.switch input:checked+.track{background:var(--accent)}
.switch input:checked+.track::after{left:18px}
.switch input:focus-visible+.track{outline:2px solid var(--accent);outline-offset:2px}

.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:0 0 6px;padding-bottom:4px}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:0;background:var(--chip);color:var(--ink2);font:inherit;font-size:14px;padding:6px 14px;border-radius:999px;cursor:pointer}
.chip:hover{color:var(--ink)}
.chip.on{background:var(--ink);color:var(--bg)}

/* news */
.list{list-style:none;margin:0;padding:0}
.item{display:grid;grid-template-columns:minmax(0,1fr) 168px;grid-template-areas:"meta thumb" "title thumb" "sum thumb";
  column-gap:20px;align-content:start;padding:20px 0;border-bottom:1px solid var(--line)}
.item .meta{grid-area:meta;display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted)}
.item .src{color:var(--accent-ink);font-weight:700}
.item h2{grid-area:title;margin:4px 0 6px;font-size:19px;line-height:1.4;letter-spacing:-.01em}
.item h2 a:hover{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.item .sum{grid-area:sum;margin:0;color:var(--ink2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item .thumb{grid-area:thumb;align-self:start;margin-top:4px;aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:var(--chip)}
.item .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.item:hover .thumb img{transform:scale(1.04)}
.item:not(:has(.thumb)){grid-template-columns:1fr;grid-template-areas:"meta" "title" "sum"}
.empty{padding:40px 0;color:var(--muted);text-align:center}

body.compact .item{grid-template-columns:1fr;grid-template-areas:"meta" "title";padding:12px 0}
body.compact .item .sum,body.compact .item .thumb{display:none}
body.compact .item h2{font-size:16px;margin:2px 0 0}

.more{display:block;width:100%;margin-top:20px;padding:13px;border:1px solid var(--line);border-radius:12px;background:var(--panel);
  color:var(--ink);font:inherit;font-weight:600;cursor:pointer}
.more:hover{border-color:var(--ink2)}
.more[disabled]{color:var(--muted);cursor:default}

/* side */
.side .card{position:sticky;top:116px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 18px 14px;box-shadow:var(--shadow)}
.side h2{font-size:17px;margin:0 0 10px}
.prices{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
.prices th{font-size:12px;font-weight:600;color:var(--muted);text-align:left;padding:6px 4px;border-bottom:1px solid var(--line)}
.prices td{padding:9px 4px;border-bottom:1px solid var(--line);vertical-align:middle}
.prices tr:last-child td{border-bottom:0}
.prices .r{text-align:right}
.prices .rk{color:var(--muted);width:24px}
.coin{display:flex;align-items:center;gap:8px;min-width:0}
.coin img{width:20px;height:20px;border-radius:50%;flex:none}
.coin b{font-weight:700} .coin small{color:var(--muted);font-size:12px}
.prices tr.extra{display:none} .prices.all tr.extra{display:table-row}
.link{border:0;background:none;color:var(--accent-ink);font:inherit;font-size:14px;font-weight:600;padding:8px 0 0;cursor:pointer}

.foot{border-top:1px solid var(--line);color:var(--muted);font-size:13px;padding:22px 0 40px}
.foot p{margin:0}

@media (max-width:900px){
  .grid{grid-template-columns:minmax(0,1fr);gap:24px;padding-top:20px}
  .side .card{position:static}
}
@media (max-width:600px){
  .wrap{padding-left:16px;padding-right:16px}
  .top-in{gap:12px;height:56px}
  .nav{display:none}
  .brand{flex:1;font-size:18px}
  .ticker{padding:7px 16px}
  h1{font-size:23px}
  .item{grid-template-columns:minmax(0,1fr) 104px;column-gap:14px;grid-template-areas:"meta meta" "title thumb" "sum sum";padding:16px 0}
  .item h2{font-size:17px}
  .item .sum{font-size:14px}
  .item .thumb{margin-top:6px}
}

/* ---------- 文章页 ---------- */
.article{max-width:760px;margin:0 auto;padding:28px 0 36px}
.article h1{font-size:30px;line-height:1.3;letter-spacing:-.015em;margin:10px 0 18px}
.article .meta{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted)}
.article .src{color:var(--accent-ink);font-weight:700}
.article .cover{width:100%;border-radius:12px;margin:0 0 20px;display:block}
.article .body{font-size:17px;line-height:1.85;color:var(--ink)}
.article .body p{margin:0 0 1.1em}
.article .body h2,.article .body h3,.article .body h4{margin:1.6em 0 .6em;line-height:1.4}
.article .body img{max-width:100%;height:auto;border-radius:10px;display:block;margin:1em auto}
.article .body a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}
.article .body blockquote{margin:1em 0;padding:.2em 1em;border-left:3px solid var(--accent);color:var(--ink2)}
.article .body pre{overflow:auto;padding:12px;border-radius:8px;background:var(--chip)}
.article .body table{border-collapse:collapse;display:block;overflow:auto;max-width:100%}
.article .body td,.article .body th{border:1px solid var(--line);padding:6px 10px}
.article .body figure{margin:1em 0}
.article .body figcaption{font-size:13px;color:var(--muted);text-align:center}
.article .srcline{margin-top:28px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.article .srcline a{color:var(--accent-ink);font-weight:600}
.read-back{display:inline-flex;align-items:center;gap:6px;color:var(--ink2);font-size:14px;margin-bottom:14px;
  padding:7px 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
.read-back:hover{color:var(--ink);border-color:var(--muted)}
.related{max-width:760px;margin:0 auto 48px}
.rel-h{font-size:18px;margin:0 0 4px}
@media(max-width:600px){.article{padding:18px 0 24px}.article h1{font-size:23px}.article .body{font-size:16px}}