:root{--bg:#0b1220;--bg2:#111c31;--card:#16233c;--line:#223252;--tx:#e8eef8;--tx2:#9fb0c9;--gold:#e6b422;--green:#2dd4a7;--red:#f87171;--blue:#5ea2ff}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--tx);font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.6}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
/* header */
header{position:sticky;top:0;z-index:10;background:rgba(11,18,32,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1080px;margin:0 auto;flex-wrap:wrap;gap:8px}
.hd h1{font-size:20px;font-weight:700;letter-spacing:1px}
.hd h1 .flag{color:var(--gold)}
.hd .meta{font-size:12px;color:var(--tx2)}
.hd .meta b{color:var(--green);font-weight:600}
/* hero */
.hero{padding:38px 0 10px;text-align:center}
.hero h2{font-size:30px;letter-spacing:2px}
.hero p{color:var(--tx2);font-size:14px;margin-top:8px}
.chips{display:flex;justify-content:center;gap:12px;margin-top:18px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:6px 16px;font-size:13px;color:var(--tx2)}
.chip b{color:var(--tx);font-size:15px;margin-left:6px}
/* sections */
section{padding:36px 0 8px}
.sec-t{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.sec-t .bar{width:5px;height:22px;background:var(--gold);border-radius:3px}
.sec-t h3{font-size:20px}
.sec-t span{color:var(--tx2);font-size:12px}
/* metals with sparkline */
.metals{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.mcard{background:linear-gradient(160deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:14px;padding:20px;transition:transform .2s,border-color .2s;display:flex;flex-direction:column}
.mcard:hover{transform:translateY(-3px);border-color:var(--gold)}
.mcard .ic{font-size:30px}
.mcard .nm{font-size:15px;color:var(--tx2);margin-top:4px}
.mcard .pr{font-size:28px;font-weight:700;margin-top:6px;color:var(--gold)}
.mcard.silver .pr{color:#c9d4e4}
.mcard.btc .pr{color:#f7931a}
.mcard .sub{font-size:12px;color:var(--tx2);margin-top:6px}
.sk{margin-top:10px;border-radius:10px;overflow:hidden;background:rgba(0,0,0,.18);position:relative}
.sk canvas,.sk svg{display:block;width:100%;height:64px}
.sk .sk-tip{position:absolute;top:4px;left:8px;font-size:11px;color:var(--tx2);background:rgba(11,18,32,.75);border-radius:4px;padding:1px 6px;pointer-events:none;white-space:nowrap;font-variant-numeric:tabular-nums}
.sk .sk-dl{position:absolute;bottom:2px;left:8px;font-size:10px;color:var(--tx2);opacity:.8;pointer-events:none}
.sk:hover .sk-dl{opacity:1}
.sk-empty{display:flex;align-items:center;justify-content:center;height:64px;font-size:12px;color:var(--tx2)}
/* fx trend cards */
.vfx{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.vcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px 12px;transition:border-color .2s}
.vcard:hover{border-color:var(--blue)}
.vcard .vh{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.vcard .vh .code{font-weight:700;font-size:16px;color:var(--blue)}
.vcard .vh .cn{font-size:12px;color:var(--tx2);margin-left:6px;font-weight:400}
.vcard .chg{font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
.vcard .chg.up{color:var(--green)}
.vcard .chg.down{color:var(--red)}
.vcard .big{margin-top:2px;font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.vcard .unit{font-size:11px;color:var(--tx2);font-weight:400;margin-left:4px}
.vcard .sk{margin-top:8px}
.vcard .vf{display:flex;justify-content:space-between;font-size:11px;color:var(--tx2);margin-top:6px;font-variant-numeric:tabular-nums}
.vcard .vf .rng{color:var(--tx2)}
/* news */
.ntabs{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.ntab{background:var(--card);border:1px solid var(--line);color:var(--tx2);border-radius:18px;padding:5px 16px;font-size:13px;cursor:pointer;transition:all .2s}
.ntab:hover{border-color:var(--blue);color:var(--tx)}
.ntab.on{background:var(--blue);border-color:var(--blue);color:#fff}
.newslist{display:flex;flex-direction:column;gap:10px}
.news-item{display:grid;grid-template-columns:auto 1fr auto auto;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;color:var(--tx);transition:border-color .2s,transform .2s}
.news-item:hover{border-color:var(--blue);transform:translateX(4px)}
.news-item .nb{font-size:11px;padding:2px 10px;border-radius:10px;white-space:nowrap}
.news-item .nb-fx{background:rgba(94,162,255,.15);color:var(--blue);border:1px solid rgba(94,162,255,.35)}
.news-item .nb-metal{background:rgba(230,180,34,.15);color:var(--gold);border:1px solid rgba(230,180,34,.35)}
.news-item .nb-crypto{background:rgba(247,147,26,.15);color:#f7931a;border:1px solid rgba(247,147,26,.35)}
.news-item .nt{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.news-item .nm{font-size:12px;color:var(--tx2);white-space:nowrap}
.news-item .nd{font-size:12px;color:var(--tx2);white-space:nowrap;font-variant-numeric:tabular-nums;min-width:52px;text-align:right}
/* about */
.about{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 24px;font-size:14px;color:var(--tx2)}
.about li{margin:6px 0 6px 18px}
.about b{color:var(--tx)}
.warn{margin-top:12px;padding:10px 14px;border-left:3px solid var(--gold);background:rgba(230,180,34,.08);border-radius:6px;font-size:13px}
/* footer */
footer{margin-top:40px;border-top:1px solid var(--line);padding:22px 0 34px;text-align:center;color:var(--tx2);font-size:12px}
footer .brand{margin-top:6px}
/* states */
.state{padding:26px;text-align:center;color:var(--tx2);font-size:14px;grid-column:1/-1}
.err{color:var(--red)}
.skeleton{background:linear-gradient(90deg,#16233c 25%,#1d2c49 50%,#16233c 75%);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:8px;height:64px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}
.banner{display:none;background:rgba(248,113,113,.1);border:1px solid var(--red);color:var(--red);border-radius:10px;padding:10px 16px;font-size:13px;margin-bottom:16px}
@media(max-width:640px){.hero h2{font-size:22px}.hd h1{font-size:16px}.vcard .big{font-size:17px}.news-item{grid-template-columns:auto minmax(0,1fr) auto}.news-item .nm{display:none}}