:root{color-scheme:light;--ink:#19251f;--muted:#556359;--green:#285b40;--paper:#fffef9;--line:#dddcd1;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#f5f3ec}*{box-sizing:border-box}body{margin:0;line-height:1.7}a{color:var(--green);text-underline-offset:4px}a:hover{color:#122c1d}a:focus-visible,summary:focus-visible{outline:3px solid #bc791c;outline-offset:5px;border-radius:3px}header,footer{max-width:1180px;margin:auto;padding:24px;display:flex;gap:24px;align-items:center;flex-wrap:wrap}header{border-bottom:1px solid var(--line)}header nav,footer nav,.language-switch{display:flex;gap:16px;align-items:center;flex-wrap:wrap}header a,footer a{text-decoration:none}.brand{font-size:26px;font-weight:700;display:flex;gap:10px;align-items:center}.brand span{font-size:20px}header nav{margin-left:auto}.language-switch{font-size:13px}.language-switch [aria-current=true]{text-decoration:underline;font-weight:700}.skip{position:absolute;left:12px;top:-80px;background:white;padding:12px;z-index:10}.skip:focus{top:8px}main{max-width:1132px;margin:auto}.hero{padding:56px 0;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.hero img{width:100%;height:480px;object-fit:cover;border-radius:4px}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:12px;font-weight:750;color:var(--green)}h1,h2,h3{line-height:1.2;text-wrap:balance}h1{font-size:clamp(36px,4.7vw,60px);font-weight:650;letter-spacing:-.035em;margin:16px 0 24px}h2{font-size:32px;font-weight:650}h3{font-size:21px}.lead{font-size:21px}.muted{color:var(--muted);font-size:14px}.button{display:inline-block;background:var(--green);color:white;padding:14px 22px;border-radius:7px;text-decoration:none;font-weight:650;margin:12px 0}.button:hover{background:#193e29;color:white}.paper{padding:36px 40px;background:var(--paper);border:1px solid var(--line);border-radius:10px;margin:0 0 28px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:32px}.features b{font-size:30px;color:var(--green)}footer{justify-content:space-between;color:var(--muted);font-size:14px}details.lesson{border-top:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-weight:650;padding:10px 0;line-height:1.5}details.lesson>summary{font-size:21px}.example{border-left:3px solid #adc9af;padding:12px 20px;margin:16px 0 28px}.example h3{font-size:17px;color:var(--muted)}.example .han{font-size:38px;line-height:1.5;margin:10px 0;overflow-wrap:anywhere}.pinyin{color:var(--green);font-size:20px}.example details{background:#f1f3e9;padding:8px 16px;border-radius:7px}audio{display:block;max-width:100%;margin-top:18px}p{overflow-wrap:anywhere}@media(max-width:1190px){main{margin:0 24px}}@media(max-width:700px){header{padding:18px 20px;gap:16px}header nav{margin-left:0;font-size:14px}.language-switch{width:100%;border-top:1px solid var(--line);padding-top:10px;gap:22px}.hero{grid-template-columns:1fr;gap:24px;padding:32px 0}.hero img{height:250px}.hero h1{font-size:40px}.lead{font-size:19px}.paper{padding:24px 20px}.features{grid-template-columns:1fr;gap:12px}.features article{border-top:1px solid var(--line);padding-top:20px}main{margin:0 16px}h2{font-size:27px}.example{padding:8px 12px}.example .han{font-size:30px}footer{padding:24px 20px}}
.dictionary{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.dictionary details{border:1px solid var(--line);padding:6px 16px;border-radius:7px;scroll-margin-top:20px}.dictionary summary span{font-size:28px}.dictionary p{font-size:16px}
