:root{--bg:#f7f5f0;--card:#fff;--ink:#1f2430;--muted:#6a7183;--line:#e2dfd5;--brand:#2f6f4f;--brand2:#1f593d;--hover:#eef1ec;--gold:#c9a227;--shadow:0 1px 3px rgba(31,36,48,.08);--han:26px;--py:14px;--en:15px}
[data-theme="dark"]{--bg:#171a21;--card:#1f242e;--ink:#e7e9ee;--muted:#9aa1af;--line:#2d333f;--brand:#7fc49e;--brand2:#4f9c77;--hover:#262c38}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Noto Sans CJK SC",sans-serif;transition:background .2s,color .2s}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:8px 14px;z-index:50}
.skip:focus{left:8px}
a{color:var(--brand)}
.masthead{position:sticky;top:0;z-index:20;display:flex;gap:14px;align-items:center;justify-content:space-between;background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;padding:12px 20px}
.masthead a{color:#fff;text-decoration:none;font-size:13px;opacity:.95}
.masthead .brand{font-size:17px;font-weight:700;letter-spacing:.3px}
.masthead .brand span{font-weight:400}
.masthead button{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:999px;padding:5px 12px;font-size:12px;cursor:pointer}
main{max-width:1080px;margin:0 auto;padding:24px 20px 60px}
.eyebrow{letter-spacing:2px;text-transform:uppercase;font-size:11px;color:var(--brand);font-weight:700;margin:0 0 6px}
.intro h1{font-size:30px;line-height:1.25;margin:0 0 8px}
.intro p:last-child{color:var(--muted);margin:0;max-width:640px}
.resume{display:inline-block;margin:18px 0 6px;padding:10px 16px;border:1px solid var(--brand);border-radius:10px;text-decoration:none;font-weight:600;background:var(--card)}
.resume[hidden]{display:none}
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:20px 0 6px}
.filters label{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.filters input,.filters select{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
#count{color:var(--muted);font-size:13px;margin:10px 0}
.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:.12s;cursor:pointer}
.card:hover,.card:focus{transform:translateY(-1px);border-color:var(--brand);outline:none}
.card .t{font-size:16px;font-weight:700;line-height:1.3}
.card .t small{font-weight:600;color:var(--muted);margin-left:6px}
.card .by{color:var(--muted);font-size:13px;margin:6px 0 10px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:11px;padding:3px 9px;border-radius:999px;background:var(--hover);color:var(--muted);letter-spacing:.3px}
.chip.badge{background:var(--brand);color:#fff}
.chip.warn{background:#f4e3c4;color:#7a5b12;border:1px solid #e6c68a}
[data-theme="dark"] .chip.warn{background:#3a2f17;color:#e3c16a;border-color:#5c4a22}
.footnote{color:var(--muted);font-size:12px;margin-top:22px;max-width:760px}
.muted{color:var(--muted)}
.small{font-size:12px}
#reading{max-width:820px}
.reader-top{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.reader-top a{font-size:14px;text-decoration:none;font-weight:600}
.reader-top span{color:var(--muted);font-size:13px}
.reader-top button{margin-left:auto;font:inherit;font-size:13px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px 12px;cursor:pointer;color:var(--ink)}
#book-title{font-size:26px;margin:4px 0 2px}
#book-meta{margin:0 0 14px}
.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:12px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);font-size:13px}
.controls label{display:flex;align-items:center;gap:6px;color:var(--muted)}
.controls select,.controls input[type=range]{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:5px 8px}
.controls input[type=checkbox]{width:auto;accent-color:var(--brand)}
.controls button{font:inherit;font-size:13px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px 12px;cursor:pointer;color:var(--ink)}
.controls button:hover{border-color:var(--brand)}
.notice{color:#7a5b12;font-size:13px;background:#f4e3c4;border:1px solid #e6c68a;border-radius:8px;padding:8px 12px}
[data-theme="dark"] .notice{background:#3a2f17;color:#e3c16a;border-color:#5c4a22}
#progress{width:100%;margin:8px 0 0;accent-color:var(--brand)}
#text{font-size:var(--han);line-height:1.95;margin:18px 0;color:var(--ink)}
#text.reading::selection{background:var(--gold);color:#fff}
.pg{max-width:46em}
.pg h2{font-size:19px;margin:1.4em 0 .4em;color:var(--brand2)}
[data-theme="dark"] .pg h2{color:var(--brand)}
.pg p{margin:.5em 0;text-align:justify}
.pg .note{color:var(--muted);font-size:var(--en);line-height:1.5;border-left:3px solid var(--line);padding-left:10px;margin:.7em 0;font-style:normal}
.pg .verse,.pg .caption{color:var(--muted)}
.page-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.page-nav button{font:inherit;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 16px;cursor:pointer;color:var(--ink)}
.page-nav button:disabled{opacity:.4;cursor:default}
.page-nav span{color:var(--muted);font-size:13px}
details{margin-top:22px}
details summary{cursor:pointer;color:var(--muted);font-size:13px}
details p{color:var(--muted);font-size:12px;line-height:1.6;max-width:70em}
.word{display:inline-block;white-space:nowrap}
.pinyin{margin:0 4px;font-size:.5em;color:var(--muted);vertical-align:text-top}
.word.unknown{background:#f4e3c4;border-radius:4px}
.word[tabindex]{cursor:pointer}
.word:focus{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
dialog{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 40px rgba(0,0,0,.25);max-width:440px;width:calc(100vw - 40px);padding:20px}
dialog form{text-align:right}
dialog .close{font:inherit;background:var(--hover);border:1px solid var(--line);border-radius:8px;padding:6px 12px;cursor:pointer;color:var(--ink)}
dialog h2{color:var(--muted);font-size:12px;letter-spacing:2px;text-transform:uppercase;margin:0 0 6px}
dialog h2#word{color:var(--ink);font-size:30px;letter-spacing:0;text-transform:none;font-weight:700;margin:2px 0 4px}
dialog p#word-pinyin{color:var(--brand);font-weight:600;margin:4px 0}
dialog p#meaning{font-size:14px;line-height:1.65;max-height:200px;overflow:auto}
dialog button{font:inherit;font-size:13px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:7px 14px;cursor:pointer;color:var(--ink);margin:14px 8px 0 0}
dialog .close{float:right;margin:0}
#saved-list{max-height:320px;overflow:auto}
.saved{margin:10px 0}
.saved .w{font-weight:700;margin-right:8px}
.saved .p{color:var(--brand);font-size:13px}
.saved .m{color:var(--muted);font-size:13px}
.saved button{font:inherit;background:var(--hover);border:1px solid var(--line);border-radius:6px;padding:3px 8px;font-size:12px;cursor:pointer;margin-left:8px;color:var(--ink)}
#status{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:var(--ink);color:var(--bg);border-radius:999px;padding:8px 16px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;z-index:60}
#status.show{opacity:.92}
.footnote a{color:var(--muted)}
@media(max-width:640px){.filters{grid-template-columns:1fr}.intro h1{font-size:24px}html{--han:22px}}
.pyline{font-size:var(--py);color:var(--muted);line-height:1.25;margin:.1em 0 .55em;letter-spacing:.02em}
.pg p.speaking{position:relative;background:rgba(201,162,39,.16);border-radius:6px}
[data-theme="dark"] .pg p.speaking{background:rgba(201,162,39,.22)}
.pg p .say{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;margin:0 4px;padding:0 0 1px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--muted);font-size:9px;line-height:1;cursor:pointer;vertical-align:middle;transition:color .15s,border-color .15s}
.pg p .say:hover{border-color:var(--brand);color:var(--brand)}
[data-theme="dark"] .pg p .say{background:var(--card)}
.word.has-word{text-decoration:underline dotted;text-underline-offset:3px}
.char-row{display:flex;gap:10px;align-items:baseline;padding:6px 0;border-bottom:1px dashed var(--line);font-size:14px;line-height:1.5}
.char-row b{font-size:22px}
.char-row .p{color:var(--brand);font-weight:600;min-width:80px}
.char-row .m{color:var(--muted);flex:1}
#word-meaning{font-size:14px;line-height:1.65;margin:0 0 10px}