:root{--bg:#f7f7f2;--card:#fff;--ink:#20251f;--muted:#6f756d;--line:#e3e5de;--brand:#1f6f50;--brand-soft:#e6f2eb;--danger:#a64343;--shadow:0 12px 30px #1b291f14}*{box-sizing:border-box}html{background:var(--bg)}body{color:var(--ink);background:var(--bg);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1040px,100% - 28px);margin:0 auto}.topbar{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f7f7f2e0;border-bottom:1px solid #e3e5decc;position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;gap:16px;min-height:68px;display:flex}.brand{letter-spacing:-.02em;font-weight:800}.brand span{color:var(--brand)}.nav{flex-wrap:wrap;gap:10px;display:flex}.nav a{color:var(--muted);border-radius:999px;padding:9px 12px}.nav a:hover{color:var(--ink);background:#fff}main{padding:42px 0 72px}.hero{grid-template-columns:1.4fr .8fr;align-items:stretch;gap:22px;display:grid}.card{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:24px}.hero h1{letter-spacing:-.055em;margin:8px 0 18px;font-size:clamp(36px,7vw,72px);line-height:.98}.eyebrow{color:var(--brand);text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:700}.muted{color:var(--muted)}.actions{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.btn{cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:12px 16px;display:inline-flex}.btn-primary{background:var(--brand);color:#fff}.btn-ghost{color:var(--ink);background:#eef0eb}.btn-danger{color:var(--danger);background:#f7eaea}.stats{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.stat{border:1px solid var(--line);background:#f8faf7;border-radius:18px;padding:18px}.stat strong{font-size:28px;display:block}.section{margin-top:30px}.section h2{margin:0 0 14px;font-size:26px}.grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.word-card{flex-direction:column;min-height:260px;display:flex}.word-title{margin:8px 0;font-size:32px;font-weight:800}.word-meta{color:var(--muted);font-size:13px}.example{background:#f7f8f5;border-radius:14px;margin-top:16px;padding:14px;line-height:1.6}.word-actions{flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:18px;display:flex}.rating{flex:1;min-width:72px}.notice{background:var(--brand-soft);color:#28523f;border:1px solid #cfe3d6;border-radius:14px;padding:14px 16px}.error{color:#863535;background:#f9e9e9;border-color:#efcccc}.empty{text-align:center;padding:44px 20px}.profile{align-items:center;gap:14px;display:flex}.avatar{background:var(--brand-soft);border-radius:50%;place-items:center;width:56px;height:56px;font-weight:800;display:grid}footer{color:var(--muted);padding:24px 0 48px;font-size:13px}@media (max-width:800px){.hero,.grid{grid-template-columns:1fr}.nav{gap:2px}.nav a{padding:8px 9px;font-size:14px}main{padding-top:26px}.card{border-radius:20px;padding:20px}}