:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#202735;background:#f5f7fc;font-synthesis:none;--blue:#244cda;--muted:#647087;--line:#e1e6f0}*{box-sizing:border-box}body{margin:0}button,a,select{touch-action:manipulation}button,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #ed9900;outline-offset:4px}.app{max-width:1040px;margin:auto;padding:0 40px}header{display:flex;align-items:center;justify-content:space-between;padding:30px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:17px}.brand small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);margin-top:5px}.logo{display:grid;place-items:center;background:var(--blue);color:white;border-radius:12px;width:42px;height:42px;font:italic bold 35px Georgia}.version{font-size:13px;color:var(--muted)}main{padding:40px 0 120px;min-height:75vh}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:var(--blue);margin:0 0 12px}h1{font-size:34px;letter-spacing:-1px;margin:0 0 10px;line-height:1.25}h2{font-size:20px;margin:0}p{font-size:16px;line-height:1.75}.muted{color:var(--muted)}.greeting{margin-bottom:30px}.greeting p{margin:0;color:var(--muted)}.grid{display:grid;grid-template-columns:1.65fr 1fr;gap:24px}.hero{background:var(--blue);border-radius:24px;padding:32px;color:white;position:relative;overflow:hidden}.hero .label{color:#d4dfff;font-size:14px}.hero h2{font:normal 42px/1.15 Georgia,serif;margin:30px 0 10px;max-width:270px}.hero p{color:#e1e8ff;margin:0 0 28px}.hero .meta{margin-top:22px;font-size:13px;color:#d8e2ff}.primary,.secondary,.light{border:0;border-radius:12px;padding:14px 20px;font-weight:600;font-size:16px;display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:48px}.primary{background:var(--blue);color:white}.light{background:white;color:var(--blue)}.secondary{background:#edf1fc;color:#314984}.panel{border:1px solid var(--line);border-radius:24px;padding:26px;background:white}.panel p{color:var(--muted)}.steps{display:flex;gap:13px;margin:24px 0;align-items:flex-start}.step-number{font:26px Georgia;color:var(--blue)}.steps strong{font-size:16px}.steps p{font-size:14px;margin:4px 0}.section-head{display:flex;align-items:center;justify-content:space-between;margin:35px 0 18px}.text-link{color:var(--blue);font-size:14px}.article-card{display:flex;align-items:center;gap:20px;background:white;border:1px solid var(--line);padding:22px;border-radius:18px}.book{width:64px;min-width:64px;height:80px;border-radius:5px 10px 10px 5px;background:#e8edff;color:var(--blue);display:grid;place-items:center;font:italic 36px Georgia;border-left:5px solid #bfcdff}.article-card h3{font:23px Georgia;margin:0 0 7px}.article-card p{font-size:14px;color:var(--muted);margin:0}.article-card .end{margin-left:auto;color:var(--blue)}.note{font-size:14px;color:var(--muted);padding:20px 0}.back{display:inline-block;color:var(--muted);font-size:14px;margin-bottom:25px}.reading-header h1{font:46px/1.12 Georgia,serif;letter-spacing:-1px}.reading-header p{color:var(--muted);font-size:14px}.reader-layout{display:grid;grid-template-columns:1fr 280px;gap:30px;margin-top:25px}.passage{border-radius:20px;background:white;border:1px solid var(--line);padding:14px}.sentence{display:flex;gap:12px;border:0;background:transparent;text-align:left;width:100%;border-radius:12px;padding:18px 16px;color:#283244;line-height:1.7}.sentence .num{font:12px sans-serif;color:var(--muted);padding-top:9px;min-width:20px}.sentence .english{font:23px/1.7 Georgia,serif}.sentence.active{background:#eaf0ff;color:#173cac}.translation{font:16px/1.7 "Microsoft YaHei",sans-serif;color:#647087;display:block;margin-top:9px}.controls{position:sticky;top:20px;align-self:start}.controls .primary{width:100%;margin-bottom:14px}.controls label{display:block;font-size:14px;margin:20px 0 9px}.controls select{width:100%;padding:11px;border:1px solid var(--line);border-radius:9px;color:#202735;background:white}.toggle{width:100%;border:1px solid var(--line);background:white;padding:12px;border-radius:9px;text-align:left;margin-top:14px;font-size:14px}.toggle[aria-pressed=true]{border-color:var(--blue);color:var(--blue);background:#edf2ff}.controls .hint{font-size:13px;line-height:1.8;color:var(--muted);margin-bottom:0}.status{font-size:14px;color:var(--blue);min-height:23px;margin:0 0 10px}.about{max-width:660px}.about h2{margin-top:30px}.about li{font-size:16px;line-height:1.9;margin:12px 0}nav{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);display:flex;padding:8px;background:#fffffff5;border:1px solid var(--line);border-radius:20px;box-shadow:0 6px 30px #14275512;z-index:10;gap:6px}nav a{display:flex;align-items:center;gap:9px;padding:13px 25px;font-size:14px;white-space:nowrap;border-radius:13px}nav a[aria-current=page]{background:#edf1ff;color:var(--blue);font-weight:600}nav span{font-size:20px}#notice:not(:empty){position:fixed;bottom:110px;left:50%;transform:translateX(-50%);background:#202735;color:white;padding:14px 20px;border-radius:12px;z-index:20;max-width:90%;width:max-content;font-size:14px}.badge{display:inline-block;border:1px solid var(--line);color:var(--muted);border-radius:30px;padding:5px 10px;font-size:12px}.empty{padding:30px 0;border-bottom:1px solid var(--line)}@media(max-width:700px){.app{padding:0 22px}header{padding:22px 0}.version{font-size:12px}main{padding-top:30px}h1{font-size:29px}.grid{grid-template-columns:1fr;gap:18px}.hero{padding:26px}.hero h2{font-size:40px;margin-top:25px}.grid>.panel{padding:22px}.steps{margin:16px 0}.reader-layout{display:flex;flex-direction:column;gap:18px}.controls{position:static;order:-1;padding:20px}.reading-header h1{font-size:37px}.controls label{margin-top:12px}.controls .hint{margin-top:12px}.passage{padding:6px}.sentence{padding:16px 10px}.sentence .english{font-size:22px}.article-card{padding:18px;gap:15px}.article-card h3{font-size:22px}nav{bottom:0;border-radius:20px 20px 0 0;width:100%;justify-content:space-around;padding:8px 10px calc(8px + env(safe-area-inset-bottom))}nav a{flex-direction:column;gap:3px;padding:7px 18px;font-size:12px}.note{line-height:1.8}.section-head{margin-top:28px}}@media(prefers-reduced-motion:no-preference){button,a{transition:background .16s,transform .16s}button:active{transform:scale(.98)}}
[hidden]{display:none!important}

.article-card+.article-card{margin-top:12px}.hero h2{font-size:36px;max-width:100%;overflow-wrap:break-word}.word-card{position:relative;background:white;border:1px solid var(--line);border-radius:16px;padding:20px;margin:12px 0}.word-card h2{font:25px Georgia;margin:15px 0 0}.word-card p{margin:7px 0}.word-card small{font-size:13px;color:var(--muted)}.word-card .secondary{display:block;margin-top:14px}input,textarea{font:inherit;width:100%;padding:14px;border:1px solid var(--line);border-radius:10px;margin-top:10px;background:white}#word-list{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}@media(max-width:600px){#word-list{grid-template-columns:1fr}nav a{padding:7px 12px}}