@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800;900&family=Noto+Sans+SC:wght@400;600;800&display=swap');:root{--navy:#102a43;--blue:#1261a0;--cyan:#0e8090;--paper:#f4f7f9;--line:#dbe4e9;--muted:#667988;--green:#16845a;--red:#c43838}*{box-sizing:border-box}body{margin:0;background:#edf2f5;color:#102a43;font-family:Tajawal,Segoe UI,Tahoma,sans-serif}.bank{width:min(1260px,calc(100% - 24px));margin:auto;padding:25px 0 60px}.back{display:inline-flex;margin-bottom:14px;text-decoration:none;color:#40566b;font-weight:800}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:25px;padding:38px;border-radius:25px;background:linear-gradient(135deg,#102a43,#145f78 62%,#159384);color:#fff}.hero h1{font-size:clamp(2.5rem,7vw,5rem);margin:5px 0;line-height:1.2}.hero p{max-width:700px;line-height:1.9}.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:center}.hero-stats div{padding:18px;border:1px solid #ffffff38;background:#ffffff12;border-radius:14px;text-align:center}.hero-stats b{display:block;font-size:2rem}.toolbar{position:sticky;top:8px;z-index:8;margin:15px 0;padding:15px;border:1px solid var(--line);border-radius:16px;background:#ffffffed;backdrop-filter:blur(12px);box-shadow:0 10px 30px #17364b13}.search{position:relative;display:block}.search span{position:absolute;right:14px;top:4px;font-size:28px;color:#789}.search input{width:100%;padding:13px 45px;border:1px solid var(--line);border-radius:10px;font:inherit}.filters{display:flex;gap:10px;margin-top:12px;align-items:end}.filters fieldset{border:0;padding:0;margin:0;display:flex;gap:7px;flex:1;flex-wrap:wrap}.filters legend{width:100%;font-size:.85rem;font-weight:800}.filters label{display:flex;align-items:center;gap:5px;padding:8px 11px;border:1px solid var(--line);border-radius:9px;background:white}.filters label:has(input:checked){background:#e6f4f5;border-color:#1261a0;color:#1261a0}.filters input{accent-color:#1261a0}.filters select{padding:11px;border:1px solid var(--line);border-radius:9px;background:#fff;font:inherit}.chips{display:flex;gap:7px;overflow:auto;padding-top:12px}.chips button{white-space:nowrap;border:1px solid var(--line);background:#f7fafb;border-radius:99px;padding:7px 11px}.chips button.active{background:var(--navy);color:#fff}.filter-note{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:12px;padding-top:10px;color:var(--muted);font-size:.85rem}.filter-note button{border:0;background:none;color:#1261a0}.tabs{display:flex;gap:8px;margin:20px 0}.tabs button{border:1px solid var(--line);background:#fff;padding:10px 15px;border-radius:9px;font-weight:800}.tabs button.active{background:var(--blue);color:#fff}.tabs span{background:#eef3f5;color:#234;padding:2px 6px;border-radius:5px}.test-tray{position:sticky;top:210px;z-index:7;display:flex;align-items:center;gap:12px;margin:14px 0;padding:13px 15px;border-radius:14px;background:#102a43f2;color:#fff;box-shadow:0 15px 35px #102a4340}.test-tray>span{margin-left:auto;color:#dceaf2}.test-tray button{border:1px solid #ffffff42;border-radius:9px;padding:10px 14px;background:#ffffff12;color:#fff;font-weight:800}.test-tray #startQuiz{background:#16a34a;border-color:#16a34a}.test-tray #startQuiz:disabled{background:#6b7280;border-color:#6b7280}.panel{display:none}.panel.active{display:block}.summary{display:flex;justify-content:space-between;align-items:center;margin:12px 0;color:var(--muted)}.summary button,.pager button{border:1px solid var(--line);background:white;padding:9px 13px;border-radius:8px}.table-shell{overflow:auto;border:1px solid var(--line);border-radius:15px;background:white}table{width:100%;border-collapse:collapse;min-width:920px}th,td{text-align:right;padding:12px 14px;border-bottom:1px solid #e8eef1}th{background:#eaf2f6;color:#344d5b}.hanzi{font:800 1.65rem 'Noto Sans SC','Microsoft YaHei',sans-serif;color:#0b4f77}.pinyin{font:600 1rem Arial;color:#1261a0}.cat{padding:4px 8px;border-radius:99px;background:#e6f4f5;color:#08636e;font-size:.75rem}.level{font:800 .75rem Arial;color:#815b18}.tool,.add{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;background:white}.tool.on{color:#d58b13;background:#fff7dc}.add{color:#16845a;font-size:1.3rem;background:#eef8f1}.add.on{background:#16845a;color:#fff}.pager{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.review-wrap{display:grid;grid-template-columns:1fr 300px;gap:16px}.flashcard{min-height:390px;border:1px solid var(--line);border-radius:20px;background:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px}.flashcard strong{font:800 clamp(4rem,10vw,7rem) 'Noto Sans SC','Microsoft YaHei',sans-serif}.flashcard em{font:600 1.4rem Arial;color:#1261a0}.flashcard span{font-size:2rem;font-weight:800}.review-wrap aside{padding:18px;border:1px solid var(--line);background:#fff;border-radius:16px}.review-wrap aside button,.review-wrap select{width:100%;margin:6px 0;padding:10px;border:1px solid var(--line);border-radius:8px;background:#f5f9fa}dialog{width:min(650px,calc(100% - 24px));max-height:85vh;border:0;border-radius:20px;padding:25px;color:#102a43}dialog::backdrop{background:#102a4380}dialog header,dialog footer,.quiz-head{display:flex;align-items:center;justify-content:space-between}dialog header button{border:0;background:#eef2f4;border-radius:8px;font-size:1.5rem}#selectedList{max-height:50vh;overflow:auto}.selected{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;padding:10px;border-bottom:1px solid var(--line)}.selected b{font:800 1.4rem 'Noto Sans SC'}.selected button{border:0;background:#fff0f1;color:#a92f3c;border-radius:7px}progress{width:100%;accent-color:#16845a}#quizWord{text-align:center;font:800 5rem 'Noto Sans SC';margin:25px 0 0}#quizPinyin{text-align:center;color:#1261a0;font:600 1.2rem Arial}#quizOptions{display:grid;grid-template-columns:1fr 1fr;gap:10px}#quizOptions button,#quizNext,#retry{padding:14px;border:1px solid var(--line);border-radius:10px;background:white}#quizOptions .correct{background:#e4f6ed;color:#16845a}#quizOptions .wrong{background:#fff0f1;color:#a92f3c}#quizNext,#retry{width:100%;background:#1261a0;color:white}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#102a43;color:white;padding:11px 18px;border-radius:10px}.empty,#empty{text-align:center;padding:40px;color:var(--muted)}@media(max-width:800px){.hero{grid-template-columns:1fr}.filters{flex-wrap:wrap}.filters fieldset{flex-basis:100%}.test-tray{top:8px;flex-wrap:wrap}.test-tray>span{order:3;width:100%}.review-wrap{grid-template-columns:1fr}.review-wrap aside{order:-1}}@media(max-width:520px){.hero{padding:25px}.filters select{flex:1;min-width:0}.test-tray button{flex:1}.summary{flex-wrap:wrap}.hero-stats{grid-template-columns:1fr 1fr}#quizOptions{grid-template-columns:1fr}}