:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f7fb;--panel:#fff;--panel2:#f0f3f9;--ink:#1c2230;--muted:#5a6577;--line:#e3e8f0;--accent:#2563eb;--accent2:#6d28d9;--warn:#b45309;--ok:#15803d;--chip:#eef2f9;--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.7}a{color:var(--accent);text-decoration:none}.wrap{max-width:920px;margin:0 auto;padding:0 18px 100px}.muted{color:var(--muted);font-size:.85rem}.app-head{justify-content:space-between;align-items:center;padding:18px 0 6px;display:flex}.brand{color:var(--ink);font-weight:700}.app-nav button{border:1px solid var(--line);background:var(--panel);color:var(--muted);cursor:pointer;border-radius:999px;margin-left:8px;padding:5px 14px;font-size:.85rem}.app-nav button.on{color:#fff;background:var(--accent);border-color:var(--accent)}.app-title{margin:14px 0 6px;font-size:1.5rem}.set-label{margin:26px 0 10px;font-size:1.05rem}.set-cards{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;display:grid}.pcard{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;padding:16px;transition:transform .15s,border-color .15s,box-shadow .15s}.pcard:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 10px 24px #0000001f}.pcard-title{font-size:1.05rem;font-weight:700}.pcard-topic{color:var(--accent2);margin-top:4px;font-size:.82rem}.pcard-meta{color:var(--muted);margin-top:10px;font-size:.78rem}.reader-head{align-items:center;gap:14px;margin:18px 0 8px;display:flex}.reader-title{flex:1}.reader-title h2{margin:0;font-size:1.2rem}.link-btn{color:var(--accent);cursor:pointer;background:0 0;border:none;font-size:.9rem}.seg-toggle{color:var(--muted);cursor:pointer;align-items:center;gap:6px;font-size:.85rem;display:flex}.passage-body{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:8px 18px}.sentence{border-bottom:1px dashed var(--line);padding:14px 0}.sentence:last-child{border-bottom:none}.sentence.is-long .sentence-text{font-weight:500}.sentence-text{margin:0;font-size:1.06rem}.sentence-zh{color:var(--muted);margin-top:4px;font-size:.9rem}.seg{border-left:2px solid var(--accent);background:var(--panel2);border-radius:3px;padding:1px 2px}.hl{background:#fde68a;border-radius:3px}.word{color:var(--accent2);border-bottom:1px dotted var(--accent2);cursor:pointer;position:relative}.word-pop{z-index:5;background:var(--ink);color:#fff;border-radius:8px;flex-direction:column;gap:2px;min-width:180px;padding:8px 10px;font-size:.8rem;line-height:1.5;display:flex;position:absolute;top:1.6em;left:0;box-shadow:0 8px 24px #00000040}.word-pop-gloss{color:#e5e7eb}.word-pop-sense{color:#9ca3af}.grammar-box{margin-top:10px}.ghead{background:var(--chip);border:1px solid var(--line);color:var(--accent);cursor:pointer;border-radius:8px;padding:4px 12px;font-size:.82rem}.gtree{margin-top:6px}.gnode{border-left:3px solid var(--line);border-radius:0 6px 6px 0;align-items:baseline;gap:8px;margin:3px 0;padding:3px 8px;display:flex}.gnode:hover{background:var(--panel2)}.gtoggle{cursor:pointer;color:var(--muted);background:0 0;border:none;padding:0;font-size:.8rem}.grole{white-space:nowrap;font-size:.72rem;font-weight:700}.gtext{color:var(--ink);font-size:.9rem}.gchildren{border-left:1px dashed var(--line)}.qpanel{margin-top:24px}.block-title{margin:0 0 12px;font-size:1.05rem}.qcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;padding:16px}.qstem{margin-bottom:10px;font-size:.98rem}.qchoices{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.qchoice{border:1px solid var(--line);border-radius:8px;gap:8px;padding:7px 10px;display:flex}.qchoice.correct{border-color:var(--ok);background:#f0fdf4}.qchoice.wrong{background:#fef2f2;border-color:#fca5a5}.qkey{color:var(--muted);font-weight:700}.qtext{flex-direction:column;gap:3px;display:flex}.qdist{color:var(--warn);border:1px solid var(--warn);border-radius:5px;align-self:flex-start;padding:0 6px;font-size:.72rem}.qration{color:var(--muted);font-size:.82rem}.qmeta{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;display:flex}.kbadges{flex-wrap:wrap;gap:6px;display:flex}.kbadge{border:1px solid;border-radius:6px;align-items:baseline;gap:5px;padding:1px 8px;font-size:.74rem;display:inline-flex}.kbadge small{opacity:.7;font-size:.62rem}.qreveal{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:5px 14px;font-size:.82rem}.qreason{color:var(--ink);background:var(--panel2);border-radius:8px;margin-top:10px;padding:8px 12px;font-size:.88rem}.dict-search{border:1px solid var(--line);border-radius:10px;width:100%;margin:14px 0 6px;padding:9px 12px;font-size:.9rem}.dict-count{color:var(--muted);margin-bottom:10px;font-size:.78rem}.dict-entry{background:var(--panel);border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:12px 14px}.dict-entry.focus{border-color:var(--accent);box-shadow:0 0 0 2px #2563eb26}.dict-head{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.tag{color:var(--accent);background:var(--chip);border:1px solid var(--line);border-radius:5px;padding:0 6px;font-size:.7rem}.dict-occs{margin:8px 0 0;padding-left:16px}.dict-occs li{margin-bottom:6px}.occ-ctx{color:var(--muted);font-size:.82rem}