.letter-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.letter-nav a{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:9px;font-weight:700}.letter-nav a.active{color:#fff;background:var(--brand);border-color:var(--brand)}.word-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.word-card{padding:20px;border:1px solid var(--line);border-radius:var(--radius)}.word-card b{display:block;font-size:21px}.word-card span{color:var(--brand)}.word-card p{margin:8px 0 0;color:var(--muted);font-size:14px}.pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin:36px 0}.pagination a{padding:8px 16px;border:1px solid var(--line);border-radius:9px}.word-hero{padding:48px 0 28px}.word-hero h1{margin:0;font-size:clamp(38px,7vw,64px)}.word-pinyin{margin:8px 0;font-size:23px;color:var(--brand)}.word-pinyin a{text-decoration:underline;text-underline-offset:4px}.word-facts{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.word-facts div{min-width:130px;padding:10px 16px;background:var(--soft);border-radius:10px}.word-facts dt{font-size:13px;color:var(--muted)}.word-facts dd{margin:0;font-weight:700}.word-definition{max-width:900px}.word-links{display:flex;flex-wrap:wrap;gap:10px}.word-links a,.word-links span{padding:7px 13px;border:1px solid var(--line);border-radius:999px}.word-links a{color:var(--brand);background:#f5f9ff}@media(max-width:760px){.word-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:460px){.word-grid{grid-template-columns:1fr}.letter-nav a{width:31px;height:31px}.word-hero{padding-top:30px}}