:root{--ink:#1c2333;--mut:#6b7280;--bg:#fafaf7;--card:#fff;--line:#e7e5e0;--rose:#be123c;--rose2:#9f1239;--teal:#0f766e}
*{box-sizing:border-box}
body{font-family:"Segoe UI","Microsoft YaHei",-apple-system,sans-serif;background:var(--bg);color:var(--ink);margin:0;line-height:1.65}
a{color:var(--rose);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.logo{font-weight:800;font-size:18px;color:var(--ink)} .logo b{color:var(--rose)}
nav{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:14px}
.langbtn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:4px 12px;cursor:pointer;font-size:13px}
.hero{text-align:center;padding:72px 0 48px}
.badge{display:inline-block;background:#fdf2f5;color:var(--rose);border:1px solid #fbcfe0;border-radius:999px;padding:4px 14px;font-size:13px;margin-bottom:18px}
h1{font-size:clamp(28px,4.5vw,44px);margin:0 0 14px;letter-spacing:.5px}
.hero p.sub{color:var(--mut);font-size:17px;max-width:640px;margin:0 auto 28px}
.cta{display:inline-block;background:var(--rose);color:#fff;border-radius:12px;padding:12px 26px;font-weight:700;font-size:16px;margin:0 6px 10px}
.cta.ghost{background:#fff;color:var(--rose);border:1.5px solid var(--rose)}
h2{font-size:24px;margin:56px 0 8px;text-align:center}
.psec{color:var(--mut);text-align:center;margin:0 0 30px;font-size:15px}
.demo{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
@media(max-width:760px){.demo{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 4px 14px rgba(0,0,0,.04)}
.panel h3{margin:0 0 6px;font-size:16px}
.panel p{margin:0;color:var(--mut);font-size:13px}
#eqCanvas{width:100%;border-radius:10px;background:#f4f4f1;display:block}
.democtl{display:flex;gap:10px;margin-top:10px;align-items:center}
.democtl button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 14px;cursor:pointer;font-size:13px}
.bars{display:flex;height:26px;border-radius:6px;overflow:hidden;margin-top:12px;font-size:12px;color:#fff}
.bars div{display:flex;align-items:center;justify-content:center;transition:width .3s}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.card .ic{font-size:26px}.card b{display:block;margin:8px 0 4px;font-size:15px}.card span{color:var(--mut);font-size:13.5px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-top:24px}
a.app{display:flex;gap:11px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:14px;color:inherit;transition:.15s}
a.app:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.07)}
.dot{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
a.app b{display:block;font-size:14px}a.app span{font-size:12px;color:var(--mut)}
.stats{display:flex;gap:26px;justify-content:center;margin:26px 0 8px;flex-wrap:wrap}
.stat{text-align:center}.stat b{font-size:26px;color:var(--rose);display:block}.stat span{font-size:12.5px;color:var(--mut)}
figure.kfig{margin:0;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
figure.kfig img{width:100%;display:block;border-radius:8px}
figure.kfig figcaption{font-size:12.5px;color:var(--mut);margin-top:8px}
.en-hide{display:none}
img.enfig{display:none!important}
html.en .zh-hide{display:none} html.en .en-hide{display:block} html.en img.zhfig{display:none!important} html.en img.enfig{display:block!important}
footer{margin-top:64px;border-top:1px solid var(--line);padding:26px 0 40px;font-size:12.5px;color:var(--mut);text-align:center}
footer .disc{max-width:820px;margin:0 auto}
.back{font-size:13px;color:var(--mut)}
.srow{display:flex;gap:16px;flex-wrap:wrap;margin:14px 0 22px}
.srow .stat{text-align:left}
.kbname{font-weight:600;margin-top:6px}