@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700&family=Noto+Serif+TC:wght@500;700&display=swap');
:root{--green:#1E4A38;--ink:#2C3A30;--muted:#5E6B5E;--cream:#F7F2E4;--line:#E4DBC2;--pink:#E89BA0}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.8 'Noto Sans TC',sans-serif}header{border-bottom:1px solid var(--line);padding:16px max(20px,calc((100vw - 1120px)/2));display:flex;align-items:center;gap:12px;background:#fffcf6}header img{width:44px;height:44px}header a{color:var(--green);text-decoration:none}header small{margin-left:auto;color:var(--muted)}main{max-width:1120px;margin:auto;padding:40px 24px 80px}.eyebrow{font-size:12px;letter-spacing:.15em;color:var(--green);font-weight:700}h1,h2{font-family:'Noto Serif TC',serif;line-height:1.5}h1{font-size:clamp(30px,5vw,48px);margin:10px 0 18px}h2{font-size:25px;margin-top:0}h3{font-size:18px}.lead{max-width:640px;color:var(--muted)}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;margin-bottom:36px}.offer{background:var(--green);color:#fff9eb;padding:30px;border-radius:28px}.offer small{color:#d7e2d6}.price{font-size:44px;font-weight:700;line-height:1.4}.tag{display:inline-block;padding:3px 12px;border-radius:30px;background:#f5dce0;color:#663940;font-size:13px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.card{background:#fffdf8;border:1px solid var(--line);border-radius:22px;padding:28px;margin-bottom:22px}.muted,small{color:var(--muted)}.step{font-size:12px;color:var(--green);letter-spacing:.08em;margin-bottom:10px}label{display:block;font-size:14px;font-weight:600;margin:15px 0 6px}input,select,textarea{width:100%;background:white;border:1px solid #b9c7b7;border-radius:10px;padding:12px;font:inherit;color:var(--ink)}textarea{min-height:130px;resize:vertical}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--green)}button,.btn{display:inline-block;background:var(--green);border:1px solid var(--green);color:white;border-radius:12px;padding:12px 21px;font:inherit;text-decoration:none;cursor:pointer}button:disabled{opacity:.5;cursor:default}.outline{background:transparent;color:var(--green)}.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.checks label{background:#f6f3e9;border-radius:12px;padding:12px;margin:8px 0;font-weight:400}.note{padding:16px;border-left:3px solid var(--pink);background:#fbf0eb;font-size:14px}.status{white-space:pre-wrap;color:#8c3b3b;min-height:28px}.success{color:var(--green)}.weeks{display:flex;gap:8px;overflow-x:auto;padding:8px 0 20px}.weeks button{white-space:nowrap;background:#fffdf8;color:var(--green);border-color:var(--line)}.weeks button.active{background:var(--green);color:white}.library{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.book{border:1px solid var(--line);border-radius:18px;padding:22px;text-align:center;background:#fffdf8}.book img{width:75px}.book button{margin-top:12px}.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}audio{max-width:100%;width:100%;margin:12px 0}iframe{width:100%;height:75vh;border:1px solid var(--line);border-radius:14px;background:white}dialog{width:min(1200px,96vw);max-height:95vh;border:1px solid var(--line);border-radius:22px;padding:20px;background:var(--cream)}dialog::backdrop{background:#102e26aa}.progress{background:#e6ebdf;border-radius:12px;padding:12px 18px}.admin-student{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}pre{white-space:pre-wrap;font:inherit}.hidden,[hidden]{display:none!important}footer{text-align:center;font-size:12px;color:var(--muted);padding:25px}.sticky{position:sticky;bottom:12px;background:#fffdf8ef;padding:15px;border-radius:16px;border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px}@media(max-width:700px){main{padding:26px 16px 50px}.hero,.grid,.split{grid-template-columns:1fr;gap:16px}.card{padding:20px}.hero{margin-bottom:20px}.offer{padding:24px}.library{gap:8px}.book{padding:15px 5px;font-size:13px}.book img{width:58px}.book button{font-size:13px;padding:8px 10px}header small{font-size:10px}h1{font-size:32px}.sticky{flex-wrap:wrap}}