:root{--color-canvas:#f6f5f4;--color-surface:#ffffff;--color-surface-sunken:#faf9f8;--color-hairline:#e6e6e6;--color-hairline-soft:#efeeed;--color-input-border:#dddddd;--color-ink:#1a1a19;--color-ink-secondary:#31302e;--color-ink-muted:#615d59;--color-ink-faint:#a39e98;--color-primary:#0075de;--color-primary-active:#005bab;--color-primary-tint:#e8f2fc;--color-primary-tint-line:#cfe4f7;--color-on-primary:#ffffff;--color-perfect:#0b6b23;--color-perfect-on:#ffffff;--color-perfect-bg:#e7f2ea;--color-perfect-line:#c8e2d0;--color-pass:#1d7a3d;--color-pass-bg:#eaf6ed;--color-pass-line:#cfe7d8;--color-redo:#b34700;--color-redo-bg:#fdf0e6;--color-redo-line:#f6d9c2;--color-waiting:#615d59;--color-waiting-bg:#f6f5f4;--color-waiting-line:#e3e1df;--color-mark-red:#c2261b;--color-accent-warm:#b5583a;--color-mark-yellow:#fff3a8;--color-record:#d93025;--color-record-active:#b3271e;--font-body:var(--font-jp),var(--font-sc),-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic UI",Meiryo,sans-serif;--font-zh:var(--font-sc),var(--font-jp),-apple-system,BlinkMacSystemFont,sans-serif;--font-pinyin:"Times New Roman",Times,serif;--font-mixed:"Times New Roman",Times,var(--font-jp),var(--font-sc),serif;--space-xxs:4px;--space-xs:8px;--space-sm:12px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-xxl:48px;--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-pill:9999px;--shadow-1:rgba(0,0,0,0.01) 0 0.175px 1.041px,rgba(0,0,0,0.02) 0 0.8px 2.925px,rgba(0,0,0,0.027) 0 2.025px 7.847px,rgba(0,0,0,0.04) 0 4px 18px;--shadow-2:rgba(0,0,0,0.02) 0 0.5px 2px,rgba(0,0,0,0.03) 0 2px 6px,rgba(0,0,0,0.05) 0 6px 18px,rgba(0,0,0,0.07) 0 14px 40px;--max-width:960px}*,:after,:before{box-sizing:border-box}*{margin:0}html{text-size-adjust:100%;color-scheme:light;scrollbar-gutter:stable}body,html{background:var(--color-canvas)}body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--color-ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}a{color:var(--color-primary);text-underline-offset:2px}@media (hover:hover){a:hover{color:var(--color-primary-active)}}.zh{font-family:var(--font-zh);font-size:17px;line-height:1.6;letter-spacing:0}.pinyin{font-family:var(--font-pinyin);letter-spacing:.02em}.text-mixed{font-family:var(--font-mixed)}.page-center{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px 16px}.page{max-width:var(--max-width);margin:0 auto;padding:var(--space-lg) var(--space-md) 64px}.stack{display:flex;flex-direction:column;gap:var(--space-md)}.card{width:100%;max-width:420px;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);padding:var(--space-xl) var(--space-lg)}.login-logo{display:block;margin:var(--space-xs) 0 var(--space-md)}.login-logo-mark{width:100%;max-width:230px;height:auto;display:block;margin-inline:auto;transform:translateX(-25px)}.login-brand{font-family:var(--font-zh);font-size:40px;font-weight:700;line-height:1.2;letter-spacing:.02em;color:var(--color-ink)}.login-lead{font-size:14px;line-height:1.7;color:var(--color-ink-muted);margin:0}.login-note{font-size:13px;line-height:1.6;color:var(--color-ink-faint);margin:0}.dev-login{gap:var(--space-sm);margin-top:var(--space-xs);padding:var(--space-md);border:1px dashed var(--color-input-border);border-radius:var(--radius-md);background:var(--color-surface-sunken)}.topbar{display:flex;flex-wrap:nowrap;align-items:center;gap:10px;border-bottom:1px solid var(--color-hairline);position:-webkit-sticky;position:sticky;top:0;z-index:30;background:var(--color-canvas);margin:-24px -16px 24px;padding:10px 16px}.topbar-spacer{flex:1 1 auto}.topbar-bell{position:relative;overflow:visible}.topbar-bell-badge{position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:var(--color-primary);color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.notif-list{list-style:none;margin:0;padding:0}.notif-list li+li{border-top:1px solid var(--color-hairline-soft)}.notif-tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.notif-tabs::-webkit-scrollbar{display:none}.notif-tabs .list-tab{flex:0 0 auto}.notif-row{display:block;padding:12px 0;color:inherit;text-decoration:none}.notif-row.is-read .notif-detail,.notif-row.is-read .notif-title{color:var(--color-ink-muted)}.notif-title{display:block;font-size:15px;font-weight:700;line-height:1.5}.notif-detail{margin-top:2px;font-size:13px}.notif-detail,.notif-when{display:block;color:var(--color-ink-muted)}.notif-when{margin-bottom:2px;font-size:12px}.notif-dot{display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:var(--color-primary);vertical-align:middle}.notif-empty{margin:0;font-size:14px}.topbar-action{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;flex:0 0 auto;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);font-size:18px;line-height:1;text-decoration:none}@media (hover:hover){.topbar-action:focus-visible,.topbar-action:hover{background:var(--color-canvas);border-color:var(--color-ink-faint)}}.topbar-title{font-size:18px;font-weight:600;line-height:1.4;color:var(--color-primary)}.topbar-mark{display:inline-flex;align-items:center;flex-shrink:0;line-height:0}.topbar-mark-img{width:auto;height:38px;display:block}.topbar-user{display:flex;align-items:center;gap:var(--space-sm);font-size:13px;color:var(--color-ink-muted)}h1{font-size:24px;font-weight:700;line-height:1.35}h1,h2{letter-spacing:0;color:var(--color-ink)}h2{font-size:18px;font-weight:600;line-height:1.4;margin-top:var(--space-xs)}.muted{color:var(--color-ink-muted);font-size:14px}.eyebrow{display:block;font-size:12px;letter-spacing:.08em;color:var(--color-ink-faint);margin-bottom:2px}.btn,.btn-google,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);font:inherit;font-size:16px;font-weight:500;line-height:1.5;min-height:44px;border-radius:var(--radius-md);padding:10px 18px;cursor:pointer;border:1px solid transparent;text-decoration:none;transition:background-color .12s ease,border-color .12s ease}.btn{background:var(--color-primary);color:var(--color-on-primary)}@media (hover:hover){.btn:hover{background:var(--color-primary-active);color:var(--color-on-primary)}}.btn-secondary{background:var(--color-surface);color:var(--color-ink);border-color:var(--color-hairline)}@media (hover:hover){.btn-secondary:hover{background:var(--color-canvas);border-color:var(--color-ink-faint);color:var(--color-ink)}}.btn-google{width:100%;background:var(--color-surface);color:var(--color-ink);border-color:var(--color-hairline)}@media (hover:hover){.btn-google:hover{background:var(--color-canvas)}}.btn:disabled{background:var(--color-hairline);color:var(--color-ink-faint);border-color:transparent;cursor:not-allowed}.btn-google:disabled,.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.btn-record-small:disabled,.mono-btn-rec:disabled,.mono-rec-start:disabled,.record-cta:disabled{background:var(--color-hairline);border-color:transparent;color:var(--color-ink-faint);cursor:not-allowed}.mono-mode-escape:disabled,.tone-card-discord:disabled{opacity:.5;cursor:not-allowed}.btn-sm{min-height:38px;padding:8px 14px;font-size:14px}.field{display:flex;flex-direction:column;gap:6px}label{font-size:14px;font-weight:600;color:var(--color-ink-secondary)}input[type=email],input[type=text],select{font:inherit;width:100%;padding:10px 12px;border:1px solid var(--color-input-border);border-radius:var(--radius-xs);background:var(--color-surface);color:var(--color-ink)}input::placeholder{color:var(--color-ink-faint)}a:focus-visible,button:focus-visible,input:focus,select:focus,textarea:focus{outline:2px solid var(--color-primary);outline-offset:1px}.alert{border-radius:var(--radius-md);padding:10px 12px;font-size:14px;line-height:1.6;border:1px solid}.alert-error{background:var(--color-redo-bg);border-color:var(--color-redo-line);color:var(--color-redo)}.alert-success{background:var(--color-pass-bg);border-color:var(--color-pass-line);color:var(--color-pass)}.badge{display:inline-block;font-size:12px;font-weight:600;line-height:1.33;padding:3px 8px;border-radius:var(--radius-sm);background:var(--color-hairline-soft);color:var(--color-ink-secondary);white-space:nowrap}.badge-admin{background:var(--color-redo-bg);color:var(--color-redo)}.level-badge{background:var(--color-surface-sunken);color:var(--color-ink-muted);font-weight:700;letter-spacing:.02em;font-size:11px;padding:2px 6px}.level-badge,.section{border:1px solid var(--color-hairline)}.section{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-lg);margin-bottom:var(--space-md)}.section-title{font-size:16px;font-weight:600;margin-bottom:var(--space-xxs);color:var(--color-ink)}.table-wrap{width:100%;overflow-x:auto;border:1px solid var(--color-hairline);border-radius:12px;background:var(--color-surface)}table{border-collapse:collapse;width:100%;font-size:14px}thead th{text-align:left;font-weight:700;color:var(--color-ink-muted);background:var(--color-canvas);padding:10px 12px;border-bottom:1px solid var(--color-hairline);white-space:nowrap;position:-webkit-sticky;position:sticky;top:0}tbody td{padding:10px 12px;border-bottom:1px solid var(--color-hairline-soft);vertical-align:top}tbody tr:last-child td{border-bottom:none}.col-no{width:56px;color:var(--color-ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.col-no,.col-word{white-space:nowrap}.col-word{width:120px;font-weight:500}.inline-form{display:inline-flex;align-items:center;gap:6px}.count-note{font-size:13px;color:var(--color-ink-muted);margin:8px 2px 12px}.badge-done{background:var(--color-pass-bg);color:var(--color-pass)}.learn-badge.learn-block,.learn-badge.learn-close,.learn-badge.learn-full,.learn-badge.learn-submitted,.learn-badge.learn-word{background:var(--color-hairline-soft);color:var(--color-ink-secondary)}.fb-badge.fb-waiting{background:var(--color-waiting-bg);color:var(--color-waiting);box-shadow:inset 0 0 0 1px var(--color-waiting-line)}.fb-badge.fb-perfect{background:var(--color-perfect);color:var(--color-perfect-on)}.fb-badge.fb-pass{background:var(--color-pass-bg);color:var(--color-pass)}.fb-badge.fb-redo{background:var(--color-redo-bg);color:var(--color-redo)}.list-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 2px 14px}.list-tab{display:inline-flex;align-items:center;gap:6px;text-decoration:none;padding:7px 14px;border:1px solid var(--color-hairline);border-radius:999px;background:var(--color-surface);color:var(--color-ink-secondary);font:inherit;font-size:14px;cursor:pointer;transition:background .12s,border-color .12s,color .12s}@media (hover:hover){.list-tab:hover{background:var(--color-canvas);border-color:var(--color-ink-faint)}}.list-tab .list-tab-count{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--color-hairline-soft);color:var(--color-ink-muted);font-size:12px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.list-tab.is-active{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-surface)}.list-tab.is-active .list-tab-count{background:rgba(255,255,255,.22);color:var(--color-surface)}.list-tab.is-alert{border-color:var(--color-redo-line);color:var(--color-redo)}.list-tab.is-alert .list-tab-count{background:var(--color-redo-bg);color:var(--color-redo)}@media (hover:hover){.list-tab.is-alert:hover{background:var(--color-redo-bg)}}.list-tab.is-alert.is-active{background:var(--color-redo);border-color:var(--color-redo);color:var(--color-surface)}.list-tab.is-alert.is-active .list-tab-count{background:rgba(255,255,255,.25);color:var(--color-surface)}.list-tab.is-new{border-color:var(--color-pass-line);color:var(--color-pass)}.list-tab.is-new .list-tab-count{background:var(--color-pass);color:var(--color-surface)}@media (hover:hover){.list-tab.is-new:hover{background:var(--color-pass-bg)}}.list-tab.is-new.is-active{background:var(--color-pass);border-color:var(--color-pass);color:var(--color-surface)}.list-tab.is-new.is-active .list-tab-count{background:rgba(255,255,255,.25);color:var(--color-surface)}.new-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 2px 10px}.new-actions-label{font-size:13px;color:var(--color-ink-muted)}.example-link{color:inherit;text-decoration:none}@media (hover:hover){.example-link:hover{color:var(--color-primary);text-decoration:underline}}.example-row{cursor:pointer}@media (hover:hover){.example-row:hover td{background:var(--color-primary-tint)}}.example-row:focus-within td{background:var(--color-primary-tint)}.example-row.is-opening td{opacity:.6}.example-row.is-opening td.col-sentence{opacity:1}.example-opening{display:inline-flex;align-items:center;gap:6px;margin-left:8px;font-family:var(--font-body);font-size:.8rem;color:var(--color-primary);white-space:nowrap;vertical-align:middle}.example-opening:before{content:"";width:12px;height:12px;border-radius:50%;border:2px solid;border-right:2px solid transparent;animation:example-opening-spin .8s linear infinite}@keyframes example-opening-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.example-opening:before{animation:none}}.list-empty{padding:var(--space-lg) var(--space-md)}@media (max-width:600px){.table-wrap:has(.examples-table){overflow-x:visible}.examples-table thead{display:none}.examples-table,.examples-table tbody,.examples-table td{display:block;width:100%}.examples-table tr{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-xs) var(--space-sm);padding:var(--space-md);border-bottom:1px solid var(--color-hairline)}.examples-table tbody tr:last-child{border-bottom:none}.examples-table td{padding:0;border:none}.examples-table .col-no{flex:0 0 auto;width:auto;font-family:var(--font-pinyin);font-size:13px;font-weight:700;color:var(--color-ink-faint)}.examples-table .col-no:before{content:"No."}.examples-table .col-word{flex:1 1 auto;width:auto;white-space:normal}.examples-table .word-hz,.examples-table .word-py{display:inline}.examples-table .word-py{margin-left:6px;white-space:nowrap}.examples-table .col-sentence{flex:0 0 100%;font-size:19px;line-height:1.5;color:var(--color-ink);word-break:break-word}.examples-table .col-fb,.examples-table .col-learn{flex:0 0 auto;width:auto;white-space:normal}.examples-table .col-fb:has(>.muted),.examples-table .col-learn:has(>.muted){display:none}.examples-table .list-empty{flex:0 0 100%;padding:var(--space-md) 0}.examples-table tr.example-row:active{background:var(--color-primary-tint)}.table-wrap>table:not(.examples-table):not(.students-table){min-width:560px}}.audio-note{white-space:pre-wrap;font-size:13px;color:var(--color-ink-muted);min-width:220px;max-width:360px}.crumbs{font-size:14px;margin-bottom:16px}.crumbs a{text-decoration:none}@media (hover:hover){.crumbs a:hover{text-decoration:underline}}.detail{background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);padding:var(--space-lg)}.detail-head{display:flex;align-items:center;gap:var(--space-xs);margin-bottom:var(--space-md)}.detail-head .badge{font-family:var(--font-zh)}.detail-no{font-family:var(--font-pinyin);font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.detail-sentence{font-size:28px;font-weight:500;line-height:1.5;color:var(--color-ink);margin-bottom:var(--space-xl);word-break:break-word}.detail-sentence:has(+.detail-gloss){margin-bottom:var(--space-sm)}.detail-gloss{display:flex;flex-direction:column;gap:var(--space-xxs);margin-bottom:var(--space-xl)}.detail-pinyin{font-size:18px;line-height:1.6;color:var(--color-ink-secondary);margin:0;word-break:break-word}.detail-translation{font-size:15px;line-height:1.6;color:var(--color-ink-muted);margin:0}.detail-section{margin-top:var(--space-xl);padding-top:var(--space-xl);border-top:1px solid var(--color-hairline)}.detail-section-title{font-size:18px;font-weight:600;line-height:1.4;color:var(--color-ink);margin-bottom:var(--space-sm)}.explanation-body{white-space:pre-wrap;font-family:var(--font-mixed);font-size:16px;line-height:1.9;color:var(--color-ink-secondary);word-break:break-word}.illust{margin:4px 0 8px}.illust .manual-figure-link{width:100%}.illust .manual-figure-link img{display:block;width:100%;height:auto;border:1px solid var(--color-hairline);border-radius:12px;background:var(--color-surface)}.illust-caption{font-size:13px;color:var(--color-ink-muted);margin-top:6px}.grammar-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.grammar-item{margin:0}.grammar-link{display:flex;width:100%;justify-content:space-between;align-items:center;gap:var(--space-xs);font-size:15px;font-weight:500;color:var(--color-primary);text-decoration:none;padding:9px 14px;min-height:40px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface)}@media (hover:hover){.grammar-link.is-none:hover{background:var(--color-primary-tint);border-color:var(--color-primary-tint-line);text-decoration:none}.grammar-link.is-doing:hover,.grammar-link.is-done:hover{border-color:var(--color-primary);text-decoration:none}}.grammar-ext{font-size:12px}.grammar-link.is-doing{background:linear-gradient(to right,var(--color-primary-tint) var(--grammar-progress,0),var(--color-surface) var(--grammar-progress,0));border-color:var(--color-primary-tint-line)}.grammar-link.is-done{background:var(--color-pass-bg);border-color:var(--color-pass-line)}.grammar-link-name{flex:1 1 auto;min-width:0}.grammar-link-side{display:inline-flex;align-items:center;gap:var(--space-xs);flex-shrink:0}.grammar-progress{font-size:12px;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--color-primary-active)}.grammar-progress.is-done{color:var(--color-pass)}.grammar-pending{display:inline-flex;align-items:center;gap:var(--space-xs);font-size:15px;color:var(--color-ink-faint);padding:9px 14px;min-height:40px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-canvas);cursor:not-allowed}.grammar-pending-badge{font-size:12px;font-weight:600;padding:2px 8px;border-radius:var(--radius-sm);background:var(--color-hairline);color:var(--color-ink-muted)}.reading-check{flex-direction:column;align-items:flex-start}.detail-nav,.reading-check{display:flex;gap:var(--space-sm)}.detail-nav{justify-content:space-between;align-items:center;margin-top:var(--space-lg)}.word-hz{display:block;font-family:var(--font-zh);font-weight:500}.word-py{display:block;margin-top:2px;font-family:var(--font-pinyin);font-size:13px;font-weight:400;letter-spacing:.02em;color:var(--color-ink-muted);line-height:1.3;white-space:nowrap}.review-counter{display:inline-block;font-size:15px;font-weight:700;color:var(--color-ink);background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line);border-radius:999px;padding:6px 14px;margin:4px 0 14px}.review-counter strong{color:var(--color-primary)}.review-navrow{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.review-nowno{font-weight:700;color:var(--color-ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.reading-editor{margin-top:8px}.reading-block{margin-top:22px;padding-top:18px;border-top:1px solid var(--color-hairline-soft)}.reading-block:first-child{margin-top:0;padding-top:0;border-top:none}.reading-h{font-size:15px;font-weight:700;color:var(--color-ink);margin-bottom:4px}.reading-sub{font-weight:500;margin-left:6px}.reading-hint,.reading-sub{font-size:13px;color:var(--color-ink-muted)}.reading-hint{margin-bottom:12px}.dot-legend{display:inline-block;width:6px;height:6px;border-radius:999px;background:var(--color-ink-faint);vertical-align:middle;margin:0 2px}.reading-strip{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;padding:8px;border:1px solid var(--color-hairline);border-radius:10px;background:var(--color-surface)}.rcell{display:inline-flex;flex-direction:column;align-items:center;justify-content:flex-end;min-width:26px;padding:2px 1px}.rcell-py{font-size:12px;color:var(--color-ink-muted);line-height:1.4;min-height:16px;white-space:nowrap}.rcell-c{font-size:22px;line-height:1.3}.rcell-punct{color:var(--color-ink-faint)}.rcell-block .rcell-c{font-size:22px}.gap{position:relative;align-self:stretch;min-width:18px;border:none;background:transparent;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center}@media (hover:hover){.gap:hover .gap-line{background:var(--color-hairline)}}.gap-line{display:block;width:3px;height:60%;border-radius:3px;background:transparent}.gap-word.gap-on .gap-line{background:var(--color-primary)}.gap-block.gap-on .gap-line{width:5px;height:78%;background:var(--color-redo)}.gap-block.gap-wordmark:after{content:"";position:absolute;bottom:2px;width:6px;height:6px;border-radius:999px;background:var(--color-ink-faint)}.gap-block.gap-bad .gap-line{background:var(--color-redo)}.reading-preview{margin-top:10px;font-size:15px;color:var(--color-ink);word-break:break-word}.viol-list{margin:8px 0 0;padding-left:20px;font-size:13px}.py-grid{display:flex;flex-wrap:wrap;gap:10px}.py-field{display:inline-flex;flex-direction:column;align-items:center;gap:4px;width:72px}.py-field-c{font-size:20px;line-height:1.2}.py-field-input{width:100%;padding:6px 8px;font-size:14px;text-align:center;border:1px solid var(--color-hairline);border-radius:8px;background:var(--color-surface)}.py-tone3{font-size:11px;font-weight:700;color:var(--color-redo);background:var(--color-redo-bg);border-radius:999px;padding:0 6px}.reading-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:24px;padding-top:18px;border-top:1px solid var(--color-hairline-soft)}.confirm-state{font-size:14px;font-weight:700}.confirm-state.is-confirmed{color:var(--color-pass)}.confirm-state.is-draft{color:var(--color-redo)}.reading-buttons{display:flex;gap:10px;flex-wrap:wrap}.practice{background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);padding:var(--space-lg);margin-top:var(--space-md);margin-bottom:var(--space-md)}.practice-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--space-sm);margin-bottom:0;padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-hairline)}.step-card{border:none;border-radius:0;background:transparent;padding:var(--space-lg) 0 var(--space-md);margin-top:0;border-top:1px solid var(--color-hairline)}.practice-head+.step-card{border-top:none}.step-card:last-child{padding-bottom:0}.step-card.is-locked{background:transparent;color:var(--color-ink-faint)}.step-title{display:flex;align-items:center;gap:var(--space-xs);font-size:18px;font-weight:600;line-height:1.4;color:var(--color-ink);margin:0 0 var(--space-xxs)}.step-card.is-locked .step-title,.step-no{color:var(--color-ink-muted)}.step-no{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:24px;height:24px;border-radius:var(--radius-pill);background:var(--color-hairline-soft);font-family:var(--font-pinyin);font-size:14px;font-weight:700;line-height:1}.step-card:has(.step-done) .step-no{background:var(--color-pass-bg);color:var(--color-pass)}.step-card.is-current .step-no{background:var(--color-primary);color:var(--color-on-primary)}.step-card.is-locked .step-no{background:var(--color-hairline);color:var(--color-ink-faint)}.step-lock{font-size:14px}.step-done{font-size:12px;font-weight:600;line-height:1.33;color:var(--color-pass);background:var(--color-pass-bg);border-radius:var(--radius-sm);padding:3px 8px}.step-hint{font-size:14px;line-height:1.6;color:var(--color-ink-muted);margin:0 0 var(--space-sm)}.unit-box{border:1px solid var(--color-hairline);border-radius:var(--radius-lg);background:var(--color-surface);padding:var(--space-md) var(--space-sm);margin-bottom:var(--space-sm);overflow-x:auto}.unit-chars{display:flex;flex-wrap:wrap;gap:10px 14px;justify-content:center}.unit-char-wrap{display:flex;align-items:center}.unit-chars.is-dialogue{justify-content:flex-start}.unit-line-break{flex-basis:100%;height:0}.unit-char{display:flex;flex-direction:column;align-items:center;min-width:32px}.unit-breath{display:inline-block;width:0;align-self:stretch;min-height:34px;margin:0 10px 0 -4px;border-left:2px dotted var(--color-hairline);opacity:.7}.unit-py{font-family:var(--font-pinyin);font-size:15px;letter-spacing:.02em;color:var(--color-ink-secondary);line-height:1.4;white-space:nowrap}.unit-hz{font-family:var(--font-zh);font-size:30px;font-weight:500;line-height:1.3;color:var(--color-ink)}.unit-tone{font-family:var(--font-pinyin);font-size:11px;color:var(--color-redo);background:var(--color-redo-bg);border-radius:var(--radius-sm);padding:0 6px;margin-top:2px}.unit-chars.pinyin-below .unit-char{flex-direction:column}.unit-chars.pinyin-below .unit-py{order:2;margin-top:2px}.pinyin-off .unit-py{visibility:hidden}.check{display:inline-flex;align-items:center;gap:var(--space-xs);min-height:32px;font-size:14px;font-weight:500;color:var(--color-ink-secondary);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.check input{width:17px;height:17px;accent-color:var(--color-primary);cursor:pointer}.practice-settings{display:flex;flex-wrap:wrap;gap:var(--space-xxs) var(--space-md)}.notice{font-size:13px;line-height:1.6;color:var(--color-redo);background:var(--color-redo-bg);border:1px solid var(--color-redo-line);border-radius:var(--radius-md);padding:8px 10px;margin:0 0 var(--space-xs)}.step-start{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-sm);margin-top:var(--space-md)}.step-card:not(.is-current)>.step-start>.btn:not(.record-cta){background:var(--color-surface);color:var(--color-primary);border-color:var(--color-hairline)}@media (hover:hover){.step-card:not(.is-current)>.step-start>.btn:not(.record-cta):hover{background:var(--color-primary-tint);border-color:var(--color-primary-tint-line);color:var(--color-primary-active)}}.step-card:has(.step-done):not(.is-current)>.step-start>.btn:not(.record-cta){color:var(--color-ink-secondary)}@media (hover:hover){.step-card:has(.step-done):not(.is-current)>.step-start>.btn:not(.record-cta):hover{background:var(--color-canvas);border-color:var(--color-ink-faint);color:var(--color-ink)}}.practice-overlay{position:fixed;inset:0;z-index:1000;align-items:center;justify-content:center;padding:var(--space-sm);padding-top:calc(12px + env(safe-area-inset-top, 0px));padding-bottom:calc(12px + env(safe-area-inset-bottom, 0px));background:rgba(26,26,25,.5)}.practice-overlay,.practice-panel{display:flex;overscroll-behavior:contain}.practice-panel{flex-direction:column;width:100%;max-width:520px;max-height:100%;overflow-y:auto;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-xl);box-shadow:var(--shadow-2)}.practice-modal-head{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--color-hairline)}.practice-modal-label{font-size:15px;font-weight:600;color:var(--color-ink)}.practice-modal-count{font-size:13px;color:var(--color-ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;margin-left:auto}.practice-modal-close{font:inherit;flex:0 0 auto;width:40px;height:40px;padding:0;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink-muted);cursor:pointer}@media (hover:hover){.practice-modal-close:hover{background:var(--color-canvas);color:var(--color-ink)}}.practice-modal-body{padding:14px}.unit-box-modal{padding:24px 12px;margin-bottom:4px}.unit-box-modal .unit-hz{font-size:38px;line-height:1.45}.unit-box-modal .unit-py{font-size:17px}.practice-set{font-size:13px;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;text-align:center;margin:var(--space-xs) 0 0}.practice-guide{font-size:15px;font-weight:500;line-height:1.6;text-align:center;color:var(--color-ink-muted);margin:var(--space-sm) 0 var(--space-sm)}.turn-bar{height:10px;overflow:hidden}.turn-bar,.turn-bar-fill{border-radius:var(--radius-pill);background:var(--color-hairline)}.turn-bar-fill{height:100%;width:0;transition:width .22s linear}.turn-bar.is-listen .turn-bar-fill{background:var(--color-primary)}.turn-bar.is-done .turn-bar-fill,.turn-bar.is-speak .turn-bar-fill{background:var(--color-pass)}.practice-small-notice{font-size:12px;color:var(--color-redo);text-align:center;margin:var(--space-xs) 0 0}.practice-modal-foot{padding:var(--space-sm) var(--space-md) var(--space-md);border-top:1px solid var(--color-hairline)}.practice-modal-actions{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.practice-modal-actions .btn,.practice-modal-actions .btn-secondary{flex:1 1 auto;justify-content:center;text-align:center;white-space:nowrap}.practice-modal-note{font-size:13px;line-height:1.6;margin:var(--space-sm) 0 0}.practice-modal-foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:var(--space-xs) var(--space-lg);margin-top:var(--space-md);padding-top:var(--space-sm);border-top:1px solid var(--color-hairline-soft)}@media (max-width:480px){h1{font-size:21px}.topbar-title{font-size:16px}.card{padding:var(--space-lg) var(--space-md)}.col-word{width:88px}.detail{padding:var(--space-lg) var(--space-md)}.detail-sentence{font-size:28px}.col-status{width:auto}.practice{padding:var(--space-md)}.unit-hz{font-size:28px}.practice-overlay{padding:calc(8px + env(safe-area-inset-top, 0px)) 8px calc(8px + env(safe-area-inset-bottom, 0px))}.practice-panel{max-width:100%}.unit-box-modal{padding:var(--space-md) var(--space-xs)}.unit-box-modal .unit-hz{font-size:38px}.step-start .btn,.step-start .btn-secondary{flex:1 1 auto;justify-content:center}}.record-slot{flex-direction:column;border:1px solid var(--color-hairline);border-radius:var(--radius-lg);background:var(--color-surface-sunken);padding:var(--space-lg) var(--space-sm);margin:var(--space-sm) 0}.record-slot,.record-slot-head{display:flex;align-items:center}.record-slot-head{gap:var(--space-xs);margin-bottom:var(--space-sm)}.record-done{font-size:12px;font-weight:600;color:var(--color-pass);background:var(--color-pass-bg);border-radius:var(--radius-sm);padding:3px 8px}.record-btn.is-recording,.record-cta{background:var(--color-record);color:var(--color-on-primary);border-color:transparent;border-radius:var(--radius-pill);min-height:56px;padding:14px 32px;font-size:17px;font-weight:500}@media (hover:hover){.record-btn.is-recording:hover,.record-cta:hover{background:var(--color-record-active);color:var(--color-on-primary)}}.redo-start{margin-top:var(--space-md)}.redo-start .btn-secondary{min-height:48px;padding:12px 24px}.record-btn.is-recording{animation:record-pulse 1.6s ease-in-out infinite}@keyframes record-pulse{0%,to{box-shadow:0 0 0 0 rgba(217,48,37,.28)}50%{box-shadow:0 0 0 8px rgba(217,48,37,0)}}@media (prefers-reduced-motion:reduce){.record-btn.is-recording{animation:none}}.practice-status{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px}.sub-table .practice-status.is-compact{flex-wrap:nowrap}.practice-status-label{font-size:12px;color:var(--color-ink-muted);margin-right:2px}.practice-chip{display:inline-flex;align-items:center;gap:2px;font-size:12px;line-height:1;padding:3px 8px;border-radius:999px;white-space:nowrap;border:1px solid transparent}.practice-chip.is-done{background:var(--color-pass-bg);color:var(--color-pass);border-color:var(--color-pass-line)}.practice-chip.is-todo{background:var(--color-canvas);color:var(--color-ink-faint);border-color:var(--color-hairline-soft)}.practice-status.is-compact .practice-chip{font-size:11px;padding:2px 6px}.submission-practice{margin:6px 0 2px}.record-playback{display:flex;align-items:center;justify-content:center;gap:var(--space-xs);margin-top:var(--space-sm);flex-wrap:wrap}.record-playback audio{max-width:100%;height:36px}.submit-actions{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-sm);margin-top:var(--space-sm)}.submit-actions .btn-submit{flex:1 1 auto;justify-content:center}.discord-fallback{margin-top:var(--space-md);padding-top:var(--space-sm);border-top:1px solid var(--color-hairline)}.check-discord{align-items:flex-start;font-size:13px;font-weight:400;color:var(--color-ink-muted);line-height:1.6}.check-discord input{margin-top:3px;flex:0 0 auto}.submitted-box{display:flex;align-items:flex-start;gap:10px;background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line);border-radius:10px;padding:12px;margin:8px 0}.submitted-badge{display:inline-block;flex:0 0 auto;font-size:12px;font-weight:600;line-height:1.33;color:var(--color-waiting);background:var(--color-waiting-bg);box-shadow:inset 0 0 0 1px var(--color-waiting-line);border-radius:var(--radius-sm);padding:3px 8px}.submitted-msg{margin:0;font-size:14px;line-height:1.6}.submission-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}.submission-item{border:1px solid var(--color-hairline);border-radius:12px;background:var(--color-surface);padding:14px}.submission-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}.submission-order{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:999px;background:var(--color-primary);color:var(--color-surface);font-size:12px;font-weight:700;flex:0 0 auto}.submission-who{display:flex;flex-direction:column;line-height:1.3}.submission-email{font-size:12px}.channel-badge{margin-left:auto;font-size:12px;font-weight:700;border-radius:999px;padding:3px 10px;white-space:nowrap}.channel-app{background:var(--color-surface);box-shadow:inset 0 0 0 1px var(--color-hairline)}.channel-app,.channel-discord{color:var(--color-ink-secondary)}.channel-discord{background:var(--color-hairline-soft)}.submission-example{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}.submission-sentence{font-size:18px}.submission-time{font-size:12px;margin-bottom:8px}.submission-attempt{margin-left:6px;color:var(--color-redo)}.submission-audios{display:flex;flex-direction:column;gap:8px}.submission-audio{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.submission-audio-label{font-size:13px;font-weight:700;flex:0 0 auto;min-width:44px}.submission-audio audio{max-width:100%;height:36px}.submission-audio-hint{display:block;font-size:12px;margin-top:4px}.eval-card{border:1px solid var(--color-hairline);border-radius:12px;background:var(--color-surface);padding:16px}.eval-card.is-active{border-color:var(--color-primary-tint-line);box-shadow:0 1px 4px rgba(31,111,235,.12)}.eval-card.is-embedded{margin-top:10px;background:var(--color-surface-sunken)}.eval-buttons{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 4px}.eval-btn{flex:1 1 auto;min-width:120px;padding:10px 14px;font-weight:600}.eval-btn-perfect{background:var(--color-perfect)}@media (hover:hover){.eval-btn-perfect:hover{background:var(--color-perfect)}}.eval-btn-pass{background:var(--color-pass)}@media (hover:hover){.eval-btn-pass:hover{background:var(--color-pass)}}.eval-btn-redo{background:var(--color-redo)}@media (hover:hover){.eval-btn-redo:hover{background:var(--color-redo)}}.eval-btn.is-selected{outline:3px solid rgba(26,26,25,.32);outline-offset:1px}.feedback-panel{margin-top:12px;padding-top:12px;border-top:1px dashed var(--color-hairline)}.feedback-panel-lead{font-size:13px;font-weight:700;margin-bottom:10px}.feedback-block{margin-bottom:14px}.feedback-block-title{font-size:13px;font-weight:700;margin-bottom:6px}.category-row{display:flex;flex-wrap:wrap;gap:8px}.category-btn{padding:6px 14px;border:1px solid var(--color-input-border);border-radius:999px;background:var(--color-surface);color:var(--color-ink-secondary);font-size:14px;font-weight:600;cursor:pointer}.category-btn.is-on{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-surface)}.template-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.template-item{display:flex;align-items:stretch;gap:6px}.template-adopt{flex:1 1 auto;display:flex;align-items:center;gap:8px;text-align:left;padding:8px 10px;border:1px solid var(--color-input-border);border-radius:8px;background:var(--color-surface);cursor:pointer;font-size:14px}.template-adopt.is-on{border-color:var(--color-pass);background:var(--color-pass-bg)}.template-check{flex:0 0 auto;width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--color-hairline);color:var(--color-ink-secondary);font-size:13px;font-weight:700}.template-adopt.is-on .template-check{background:var(--color-pass);color:var(--color-surface)}.template-content{flex:1 1 auto}.template-usecount{flex:0 0 auto;font-size:12px;color:var(--color-ink-muted)}.template-delete{flex:0 0 auto;width:34px;border:1px solid var(--color-redo-line);border-radius:8px;background:var(--color-redo-bg);color:var(--color-redo);font-size:14px;line-height:1;cursor:pointer}@media (hover:hover){.template-delete:hover{background:var(--color-redo-line)}}.feedback-textarea{width:100%;padding:8px 10px;border:1px solid var(--color-input-border);border-radius:8px;font:inherit;resize:vertical;margin-bottom:6px}.queue-rest{margin-top:16px;padding-top:12px;border-top:1px solid var(--color-hairline-soft)}.queue-rest-title{font-size:13px;font-weight:700;color:var(--color-ink-muted);margin-bottom:8px}.queue-rest-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.queue-rest-item{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--color-ink-muted)}.queue-rest-who{font-weight:700;color:var(--color-ink)}.evaluated-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.evaluated-item{border:1px solid var(--color-hairline);border-radius:10px;background:var(--color-surface);padding:12px}.evaluated-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.eval-badge{display:inline-block;flex:0 0 auto;font-size:12px;font-weight:600;line-height:1.33;border-radius:var(--radius-sm);padding:3px 8px;white-space:nowrap}.eval-badge.eval-perfect{color:var(--color-perfect-on);background:var(--color-perfect)}.eval-badge.eval-pass{color:var(--color-pass);background:var(--color-pass-bg)}.eval-badge.eval-redo{color:var(--color-redo);background:var(--color-redo-bg)}.eval-badge.eval-waiting{color:var(--color-waiting);background:var(--color-waiting-bg);box-shadow:inset 0 0 0 1px var(--color-waiting-line)}.feedback-summary{margin-top:8px}.feedback-cats{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}.cat-chip{font-size:12px;font-weight:600;background:var(--color-hairline-soft);border-radius:var(--radius-sm);padding:2px 8px}.cat-chip,.feedback-points{color:var(--color-ink-secondary)}.feedback-points{margin:0;padding-left:20px;font-family:var(--font-mixed);font-size:15px;line-height:1.7}.feedback-points li+li{margin-top:var(--space-xxs)}.result-box{border-radius:var(--radius-lg);padding:var(--space-md);margin:var(--space-xs) 0;border:1px solid transparent}.result-perfect{background:var(--color-perfect-bg);border-color:var(--color-perfect-line)}.result-pass{background:var(--color-pass-bg);border-color:var(--color-pass-line)}.result-redo{background:var(--color-redo-bg);border-color:var(--color-redo-line)}.result-badge{display:inline-block;font-size:12px;font-weight:600;line-height:1.33;border-radius:var(--radius-sm);padding:3px 8px;background:var(--color-surface)}.result-perfect .result-badge{color:var(--color-perfect-on);background:var(--color-perfect)}.result-pass .result-badge{color:var(--color-pass)}.result-redo .result-badge{color:var(--color-redo)}.result-msg{margin:var(--space-xs) 0 0;font-size:15px;line-height:1.7;color:var(--color-ink-secondary)}.result-detail{margin-top:var(--space-sm);padding-top:var(--space-sm);border-top:1px solid rgba(0,0,0,.08);display:flex;flex-direction:column;gap:var(--space-md)}.result-detail .feedback-view-group+.feedback-view-group{border-top:1px solid rgba(0,0,0,.08);padding-top:var(--space-md)}.result-detail-label{font-size:12px;font-weight:600;color:var(--color-ink-secondary);margin-bottom:var(--space-xxs)}.sub-tabs{display:flex;gap:8px;margin-bottom:12px;border-bottom:1px solid var(--color-hairline)}.sub-tab{background:none;padding:10px 14px;font:inherit;font-weight:700;color:var(--color-ink-muted);cursor:pointer;border:none;border-bottom:3px solid transparent;margin-bottom:-1px}.sub-tab.is-active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.pending-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.pending-row{border:1px solid var(--color-hairline);border-radius:12px;background:var(--color-surface);padding:14px}.evaluated-editwrap{margin-top:10px;padding-top:10px;border-top:1px solid var(--color-hairline-soft)}.polarity-section{border:1px solid var(--color-hairline);border-left-width:4px;border-radius:var(--radius-md);padding:10px 12px;margin-top:var(--space-md)}.polarity-section.polarity-good{border-left-color:var(--color-pass);background:var(--color-pass-bg)}.polarity-section.polarity-bad{border-left-color:var(--color-redo);background:var(--color-redo-bg)}.polarity-title{display:flex;align-items:center;gap:var(--space-xs);font-size:13px;font-weight:600;margin-bottom:var(--space-xs)}.polarity-dot{width:8px;height:8px;border-radius:var(--radius-pill);flex:0 0 auto}.polarity-good .polarity-dot{background:var(--color-pass)}.polarity-bad .polarity-dot{background:var(--color-redo)}.polarity-good .polarity-title{color:var(--color-pass)}.polarity-bad .polarity-title{color:var(--color-redo)}.chosen-list{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-direction:column;gap:6px}.chosen-item{gap:8px;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:8px;padding:6px 8px;font-size:14px}.chosen-item,.mono-cat{display:flex;align-items:center}.mono-cat{flex-wrap:wrap;gap:6px 10px;margin-bottom:8px}.mono-cat-label{font-size:13px;font-weight:700;color:var(--color-ink-muted)}.mono-cat-note{font-weight:400;font-size:12px}.mono-cat-btns{display:flex;flex-wrap:wrap;gap:6px}.mono-cat-btn{font:inherit;font-size:13px;line-height:1.4;padding:4px 12px;border:1px solid var(--color-hairline);border-radius:999px;background:var(--color-surface);color:var(--color-ink-muted);cursor:pointer}.mono-cat-btn.is-on{background:var(--color-primary);border-color:var(--color-primary);color:#fff;font-weight:700}.mono-add-row{margin:6px 0 2px}.mono-items{list-style:none;margin:4px 0 10px;padding:0;display:flex;flex-direction:column;gap:6px}.mono-item-row{display:flex;align-items:flex-start;gap:8px;font-size:14px;line-height:1.6;padding:6px 8px;border:1px solid var(--color-hairline);border-radius:var(--radius-sm);background:var(--color-surface)}.mono-item-text{flex:1 1 auto;min-width:0}.mono-item-del{flex:0 0 auto;font:inherit;line-height:1;padding:2px 6px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--color-ink-muted);cursor:pointer}.mono-fb-line{margin:0 0 6px}.mono-fb-line:last-child{margin-bottom:0}.chosen-cat{display:inline-block;flex:0 0 auto;font-family:var(--font-body);font-size:12px;font-weight:600;line-height:1.33;color:var(--color-ink-muted);background:var(--color-hairline-soft);border-radius:var(--radius-sm);padding:1px 7px}.chosen-content{flex:1 1 auto}.chosen-remove{border:1px solid var(--color-redo-line);border-radius:6px;background:var(--color-redo-bg);color:var(--color-redo)}.chosen-edit-btn,.chosen-remove{flex:0 0 auto;padding:4px 10px;height:26px;font-size:12px;font-weight:700;line-height:1;white-space:nowrap;cursor:pointer}.chosen-edit-btn{border:1px solid var(--color-input-border);border-radius:6px;background:var(--color-surface);color:var(--color-ink-secondary)}@media (hover:hover){.chosen-edit-btn:hover{background:var(--color-canvas)}}.chosen-edit{flex:1 1 100%;display:flex;flex-direction:column;gap:6px}.chosen-textarea{width:100%;padding:6px 8px;border:1px solid var(--color-input-border);border-radius:8px;font:inherit;resize:vertical}.chosen-edit-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.fb-zone{margin-top:12px}.fb-zone-chosen{margin-top:4px}.fb-zone-label{font-size:12px;font-weight:700;color:var(--color-ink-secondary);margin-bottom:6px}.fb-zone-hint{font-weight:500;font-size:11px;color:var(--color-ink-faint);margin-left:2px}.fb-zone-empty{margin:0;padding:8px 10px;border:1px dashed var(--color-hairline);border-radius:8px;background:var(--color-surface);font-size:13px;color:var(--color-ink-faint)}.fb-quick{display:flex;gap:8px;align-items:flex-end;margin-top:8px}.fb-quick-input{flex:1 1 auto;min-width:0;padding:7px 10px;border:1px solid var(--color-input-border);border-radius:8px;font:inherit;background:var(--color-surface);resize:vertical}.fb-quick-btn{flex:0 0 auto}.fb-zone .chosen-list,.fb-zone .template-picker{margin-bottom:0}.polarity-block{margin-bottom:10px}.polarity-block-title{font-size:12px;font-weight:700;color:var(--color-ink-muted);margin-bottom:6px}.polarity-add-row{display:flex;gap:8px;margin-bottom:6px;flex-wrap:wrap}.cat-select{flex:0 0 auto;padding:7px 8px;background:var(--color-surface)}.cat-select,.content-input{border:1px solid var(--color-input-border);border-radius:8px;font:inherit}.content-input{flex:1 1 180px;min-width:140px;padding:7px 10px}.polarity-add-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.template-picker{display:flex;flex-direction:column;gap:8px}.template-toolbar{display:flex;gap:8px;align-items:center}.template-search{flex:1 1 auto;min-width:0;padding:7px 10px;border:1px solid var(--color-input-border);border-radius:8px;font:inherit;background:var(--color-surface)}.template-picker .template-list{max-height:260px;overflow-y:auto;padding-right:2px}.template-empty{font-size:13px;margin:4px 0}.template-scope{flex:0 0 auto;font-size:11px;line-height:1;padding:2px 6px;border-radius:999px;background:var(--color-primary-tint);color:var(--color-primary);border:1px solid var(--color-primary-tint-line);white-space:nowrap}.add-toggle{display:inline-flex;align-items:center;gap:6px;background:none;border:none;padding:6px 2px;color:var(--color-ink-secondary);font-size:13px;font-weight:600;cursor:pointer}@media (hover:hover){.add-toggle:hover{color:var(--color-ink)}}.add-form{display:flex;flex-direction:column;gap:8px;margin-top:6px;padding:8px;border:1px dashed var(--color-input-border);border-radius:8px;background:var(--color-surface-sunken)}.add-form .polarity-add-row{margin-bottom:0}.add-dest{display:flex;align-items:center;gap:6px;flex:1 1 220px;min-width:0;font-size:13px;color:var(--color-ink-secondary)}.add-dest-label{flex:0 0 auto;white-space:nowrap}.add-dest .dest-select{flex:1 1 auto;min-width:0}.polarity-add-actions .add-btn{flex:0 0 auto;white-space:nowrap}.tone-composer{border:1px solid var(--color-primary-tint-line);border-radius:8px;background:var(--color-primary-tint)}.tone-toggle{display:inline-flex;align-items:center;gap:6px;width:100%;background:none;border:none;padding:8px 10px;color:var(--color-primary);font-size:13px;font-weight:700;cursor:pointer}@media (hover:hover){.tone-toggle:hover{color:var(--color-primary-active)}}.tone-body{display:flex;flex-direction:column;gap:10px;padding:0 10px 10px}.tone-field{display:flex;align-items:center;gap:8px}.tone-field-label,.tone-row-label{flex:0 0 auto;width:3em;font-size:13px;font-weight:600;color:var(--color-ink-secondary)}.tone-word{flex:1 1 auto;min-width:0;padding:7px 10px;border:1px solid var(--color-input-border);border-radius:8px;font:inherit;background:var(--color-surface)}.tone-rows{display:flex;flex-direction:column;gap:8px}.tone-row{display:flex;align-items:center;gap:8px}.tone-slots{display:flex;flex-wrap:wrap;gap:6px}.tone-select{flex:0 0 auto;width:auto;min-width:72px;padding:6px;border:1px solid var(--color-input-border);font:inherit}.tone-preview,.tone-select{border-radius:8px;background:var(--color-surface)}.tone-preview{padding:8px 10px;border:1px solid var(--color-hairline);font-size:14px;color:var(--color-ink)}.tone-apply{align-self:flex-start}.helper-tabs{display:flex;gap:6px;flex-wrap:wrap}.helper-tab{flex:0 0 auto;padding:5px 14px;border:1px solid var(--color-input-border);border-radius:999px;background:var(--color-surface);color:var(--color-ink-secondary);font-size:13px;font-weight:600;cursor:pointer}.helper-tab.is-active{border-color:var(--color-primary);background:var(--color-primary-tint);color:var(--color-primary-active)}.helper-fields{display:flex;flex-direction:column;gap:8px}.helper-fields .tone-field-label{width:6.5em;white-space:nowrap}.helper-hint{margin:0;font-size:12px;color:var(--color-ink-faint)}.feedback-view{margin-top:8px;display:flex;flex-direction:column;gap:8px}.feedback-view-group{border-left:3px solid transparent;padding-left:var(--space-sm)}.feedback-view-group.polarity-good{border-left-color:var(--color-pass)}.feedback-view-group.polarity-bad{border-left-color:var(--color-redo)}.feedback-view-group .feedback-points{margin-top:var(--space-xxs)}.result-comment{margin:0;font-family:var(--font-mixed);font-size:15px;line-height:1.7;color:var(--color-ink-secondary)}.result-comment+.result-comment{margin-top:var(--space-xxs)}.result-detail .result-comment+.feedback-view-group{margin-top:var(--space-sm)}.feedback-points .chosen-cat{margin-right:6px}.result-section{margin:var(--space-md) 0 0}.result-section-title{font-size:13px;font-weight:600;color:var(--color-ink-muted);margin-bottom:var(--space-xs)}.result-waiting{background:var(--color-waiting-bg);border-color:var(--color-hairline)}.fb-confirm{display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap;margin-top:var(--space-sm)}.fb-confirmed-note{margin-top:var(--space-sm);font-size:13px;color:var(--color-pass)}.redo-recorder{margin-top:var(--space-md);padding:var(--space-md);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);background:var(--color-surface-sunken)}.redo-recorder-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);margin-bottom:var(--space-xxs)}.redo-recorder-title{font-size:15px;font-weight:600;color:var(--color-ink)}.redo-cancel{border:none;background:transparent;color:var(--color-ink-muted);font-size:13px;padding:6px 8px;min-height:32px;cursor:pointer;border-radius:var(--radius-sm)}@media (hover:hover){.redo-cancel:hover{background:var(--color-hairline-soft);color:var(--color-ink-secondary)}}.sub-history{margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--color-hairline)}.sub-history-toggle{display:flex;align-items:center;gap:var(--space-xs);width:100%;min-height:40px;border:none;background:transparent;padding:4px 0;cursor:pointer;text-align:left;border-radius:var(--radius-sm)}.sub-history-chevron{font-size:12px;color:var(--color-ink-faint);width:1em}.sub-history-title{font-size:14px;font-weight:600;color:var(--color-ink-secondary);margin:0}.sub-history-body{margin-top:var(--space-xs)}.sub-history-hint{font-size:13px;line-height:1.6;margin:var(--space-xxs) 0 var(--space-sm)}.sub-history-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-sm)}.sub-history-item{border:1px solid var(--color-hairline);border-radius:var(--radius-lg);padding:var(--space-md);background:var(--color-surface-sunken)}.sub-history-head{display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap;margin-bottom:var(--space-xs)}.hist-badge{display:inline-block;font-size:12px;font-weight:600;line-height:1.33;border-radius:var(--radius-sm);padding:3px 8px;color:var(--color-ink-secondary);background:var(--color-hairline-soft)}.hist-badge-perfect{color:var(--color-perfect-on);background:var(--color-perfect)}.hist-badge-pass{color:var(--color-pass);background:var(--color-pass-bg)}.hist-badge-redo{color:var(--color-redo);background:var(--color-redo-bg)}.hist-badge-waiting{color:var(--color-waiting);background:var(--color-waiting-bg);box-shadow:inset 0 0 0 1px var(--color-waiting-line)}.hist-attempt{font-size:13px;font-weight:600;color:var(--color-ink-secondary)}.hist-date{font-size:12px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.hist-audio{display:block;width:100%;height:36px;margin:4px 0 2px}.hist-no-audio{font-size:12px;margin:4px 0 2px}.sub-history-item .result-detail{margin-top:8px;padding-top:8px}.queue-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-bottom:12px}.queue-control{display:inline-flex;align-items:center;gap:8px;font-size:14px}.queue-control-label{color:var(--color-ink-muted);white-space:nowrap}.queue-control select{font:inherit;font-size:14px;padding:6px 10px;border:1px solid var(--color-hairline);border-radius:8px;background:var(--color-surface);color:var(--color-ink)}.queue-control-note{font-size:13px;color:var(--color-ink-muted)}.sub-table-wrap{overflow-x:auto}.sub-table{width:100%;border-collapse:collapse;font-size:14px}.sub-table td,.sub-table th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--color-hairline-soft);vertical-align:middle;white-space:nowrap}.sub-table .col-target{width:100%;white-space:normal}.sub-table td.col-wrap{white-space:normal;min-width:9em}.sub-table thead th{font-size:12px;font-weight:700;border-bottom:1px solid var(--color-hairline)}.sub-table .col-num,.sub-table thead th{color:var(--color-ink-muted);white-space:nowrap}.sub-table .col-num{width:1%}.sub-table .col-time{white-space:nowrap;color:var(--color-ink-muted);font-size:13px}.sub-table .zh{color:var(--color-ink)}.sub-row{cursor:pointer}@media (hover:hover){.sub-row:hover{background:var(--color-primary-tint)}}.sub-row:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px}.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;padding:24px 12px;z-index:1000}.modal-card{width:100%;max-width:640px;max-height:calc(100dvh - 48px);border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.25);flex-direction:column;overflow:hidden}.modal-card,.modal-head{background:var(--color-surface);display:flex}.modal-head{align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-bottom:1px solid var(--color-hairline-soft);border-radius:12px 12px 0 0;flex:0 0 auto}.modal-title{font-weight:700}.modal-close{border:none;background:none;font-size:24px;line-height:1;color:var(--color-ink-muted);cursor:pointer;padding:0 4px}.modal-body{padding:16px;overflow-y:auto;flex:1 1 auto}.modal-sub-head{margin-bottom:12px}.submission-meta-line{font-size:13px;margin-top:4px}.modal-actions,.submission-meta-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.modal-actions{margin-top:8px}.polarity-toggle{width:100%;border:none;background:none;cursor:pointer;font:inherit;padding:0}.polarity-caret{margin-left:auto}.polarity-caret,.polarity-optional{color:var(--color-ink-faint);font-size:12px}.polarity-optional{font-weight:400}.polarity-section.is-dimmed{opacity:.75}.fbc-bar{position:-webkit-sticky;position:sticky;top:0;z-index:5;background:var(--bg,var(--color-canvas));padding:10px 2px 12px;border-bottom:1px solid var(--color-hairline);margin-bottom:14px}.fbc-stats{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:10px}.fbc-stat{font-size:13px;color:var(--color-ink-secondary)}.fbc-stat b{font-size:16px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.fbc-stat.muted{color:var(--color-ink-faint)}.fbc-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.fbc-search{flex:1 1 260px;min-width:0;padding:9px 12px;border:1px solid var(--color-input-border);border-radius:9px;font:inherit;font-size:14px;background:var(--color-surface)}.fbc-search:focus{outline:2px solid var(--color-primary);outline-offset:1px;border-color:var(--color-primary)}.fbc-chk{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--color-ink-secondary);white-space:nowrap;cursor:pointer}.fbc-chk input{width:15px;height:15px;accent-color:var(--color-primary)}.fbc-count{font-size:12.5px;color:var(--color-ink-muted);margin-top:8px}.fbc-ex{background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:13px;padding:14px 16px;margin:0 0 12px}.fbc-ex-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;padding-bottom:10px;border-bottom:1px solid var(--color-hairline-soft)}.fbc-no{font-size:12px;font-weight:700;color:var(--color-primary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.fbc-word{font-size:13px;color:var(--color-ink-muted)}.fbc-zh{font-size:18px;font-weight:600;color:var(--color-ink);flex:1 1 auto}.fbc-reviewed{font-size:11px;font-weight:700;color:var(--color-pass);background:var(--color-pass-bg);border-radius:999px;padding:2px 9px}.fbc-items{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:7px}.fbc-item{display:flex;align-items:flex-start;gap:10px;padding:9px 11px;border-radius:9px;border:1px solid transparent}.fbc-item.kind-tone{background:var(--color-pass-bg)}.fbc-item.kind-sound{background:var(--color-redo-bg)}.fbc-item.is-adopted{border-color:var(--color-pass-line);background:var(--color-pass-bg)}.fbc-item.is-dismissed{opacity:.55;background:var(--color-canvas)}.fbc-pick{flex:0 0 auto;padding-top:2px;cursor:pointer}.fbc-pick input{width:17px;height:17px;accent-color:var(--color-pass);cursor:pointer}.fbc-body{flex:1 1 auto;min-width:0}.fbc-line{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.fbc-cat{flex:0 0 auto;font-size:11px;font-weight:600;color:var(--color-ink-secondary);background:var(--color-hairline-soft);border-radius:6px;padding:1px 7px}.fbc-text{flex:1 1 auto;font-size:14px;color:var(--color-ink);word-break:break-word}.fbc-cnt{flex:0 0 auto;font-size:11px;font-weight:700;color:var(--color-pass);background:var(--color-pass-bg);border-radius:999px;padding:1px 8px}.fbc-actions{display:flex;align-items:center;gap:12px;margin-top:6px}.fbc-tag{font-size:11px;font-weight:700;border-radius:999px;padding:1px 8px}.fbc-tag.adopted{color:var(--color-pass);background:var(--color-pass-bg)}.fbc-tag.dismissed{color:var(--color-ink-muted);background:var(--color-hairline)}.fbc-link{background:none;border:none;padding:0;font:inherit;font-size:12.5px;color:var(--color-primary);cursor:pointer;text-decoration:underline}@media (hover:hover){.fbc-link:hover{color:var(--color-primary-active)}}.fbc-edit{display:flex;flex-direction:column;gap:8px}.fbc-textarea{width:100%;padding:8px 10px;border:1px solid var(--color-input-border);border-radius:8px;font:inherit;font-size:14px;resize:vertical}.fbc-textarea:focus{outline:2px solid var(--color-primary);outline-offset:1px;border-color:var(--color-primary)}.fbc-edit-actions{display:flex;gap:8px}.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}.app-menu{position:relative;flex:none}.app-menu-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--color-hairline);border-radius:10px;background:var(--color-surface);cursor:pointer}@media (hover:hover){.app-menu-btn:hover{background:var(--color-canvas)}}.app-menu-icon{display:inline-flex;flex-direction:column;gap:4px}.app-menu-icon span{display:block;width:18px;height:2px;border-radius:2px;background:var(--color-ink)}.app-menu-panel{position:absolute;top:calc(100% + 6px);left:0;z-index:20;min-width:264px;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.12);padding:6px}.app-menu-panel ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.app-menu-panel a{white-space:nowrap;display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--color-ink);text-decoration:none;font-size:15px;font-weight:600}@media (hover:hover){.app-menu-panel a:hover{background:var(--color-canvas)}}.app-menu-icon{flex-shrink:0;color:var(--color-ink-faint)}@media (hover:hover){.app-menu-panel a:hover .app-menu-icon{color:var(--color-primary)}}.home-section-title{font-size:16px;font-weight:700;margin:0 0 14px}.home-duo{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-bottom:20px;align-items:start}.home-duo .section{margin-bottom:0}@media (max-width:640px){.home-duo{grid-template-columns:1fr}}.home-hero{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--space-xs) 0 var(--space-lg);border-bottom:1px solid var(--color-hairline-soft);margin-bottom:var(--space-md)}.home-hero-num{font-family:var(--font-pinyin);font-size:44px;font-weight:700;color:var(--color-ink);line-height:1.05;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.home-hero-unit{font-family:var(--font-body);font-size:15px;font-weight:500;color:var(--color-ink-muted);margin-left:4px}.home-hero-label{font-size:13px;color:var(--color-ink-muted)}.home-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:0 var(--space-lg);gap:0 var(--space-lg)}.home-mini{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-xs);padding:9px 0;border-bottom:1px solid var(--color-hairline-soft);background:none}.home-mini:nth-last-child(-n+2){border-bottom:none}.home-mini span{font-size:13px;color:var(--color-ink-muted)}.home-mini b{font-family:var(--font-pinyin);font-size:20px;font-weight:700;color:var(--color-ink);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.home-levels{display:flex;flex-direction:column;gap:12px}.home-level{display:block;padding:16px;border:1px solid var(--color-hairline);border-radius:12px;background:var(--color-surface-sunken);text-decoration:none;color:inherit;transition:border-color .12s,background .12s}@media (hover:hover){.home-level:hover{border-color:var(--color-ink-faint);background:var(--color-canvas)}}.home-level-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.home-level-name{font-size:16px;font-weight:700;color:var(--color-ink)}.home-level-count{font-size:14px;color:var(--color-ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.home-level-count strong{font-family:var(--font-pinyin);font-size:26px;font-weight:700;color:var(--color-pass);margin-right:3px}.home-level.is-coming{background:transparent;border-style:dashed;cursor:default}@media (hover:hover){.home-level.is-coming:hover{border-color:var(--color-hairline);background:transparent}}.home-level-soon,.home-level.is-coming .home-level-name{color:var(--color-ink-faint)}.home-level-soon{font-size:13px;font-weight:600;padding:2px 10px;border-radius:999px;background:var(--color-hairline-soft);white-space:nowrap}.home-bar{height:10px;background:var(--color-hairline);overflow:hidden;margin:var(--space-sm) 0 0}.home-bar,.home-bar-fill{border-radius:var(--radius-pill)}.home-bar-fill{height:100%;background:var(--color-primary);transition:width .3s ease,background-color .3s ease}.home-bar-fill.is-complete{background:var(--color-pass)}.home-weak-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--space-xxs) var(--space-sm);margin-bottom:var(--space-sm)}.home-weak-title{font-size:16px;font-weight:700;margin:0}.home-weak-more{font-size:14px;text-decoration:none;white-space:nowrap;margin-left:auto}@media (hover:hover){.home-weak-more:hover{text-decoration:underline}}.home-weak-bars{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.home-weak-row{display:grid;grid-template-columns:72px 1fr 34px;align-items:center;grid-gap:10px;gap:10px}.home-weak-cat{font-size:14px;color:var(--color-ink-secondary);white-space:nowrap}.home-weak-track{height:6px;border-radius:var(--radius-pill);background:var(--color-hairline-soft);overflow:hidden}.home-weak-fill{display:block;height:100%;border-radius:var(--radius-pill);background:var(--color-redo);min-width:6px}.home-weak-num{font-family:var(--font-pinyin);font-size:15px;font-weight:700;color:var(--color-ink-secondary);text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.home-weak-foot{margin:14px 0 0;font-size:13px}.karte-summary-title{font-size:16px;font-weight:700;margin:0 0 12px}.karte-tabs{margin-top:4px}.karte-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}.karte-item{border-left:3px solid var(--color-redo-line);padding:2px 0 2px 12px}.karte-item-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:4px 0 0}.karte-item-cat{font-size:11px;font-weight:600;padding:1px 7px;border-radius:999px;background:var(--color-redo-bg);color:var(--color-redo)}.karte-item-no{font-size:13px;color:var(--color-primary);text-decoration:none;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}@media (hover:hover){.karte-item-no:hover{text-decoration:underline}}.karte-item-date{font-size:12px;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.karte-item-content{margin:0;font-size:15px;color:var(--color-ink);line-height:1.7}.karte-summary-count{margin-left:8px;font-size:12px;font-weight:500;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.karte-more{margin-top:14px}.sort-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.sort-tab{display:inline-flex;align-items:center;padding:6px 12px;border:1px solid var(--color-hairline);border-radius:999px;background:var(--color-surface);color:var(--color-ink-muted);font-size:13px;text-decoration:none;white-space:nowrap}@media (hover:hover){.sort-tab:hover{background:var(--color-canvas)}}.sort-tab.is-active{background:var(--color-ink);border-color:var(--color-ink);color:var(--color-surface);font-weight:700}.col-num{width:84px}.col-date,.col-num{white-space:nowrap;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.col-date,.col-scope{width:108px}.col-scope{white-space:nowrap}.student-link{display:block;color:var(--color-primary);font-weight:600;text-decoration:none}@media (hover:hover){.student-link:hover{text-decoration:underline}}.student-email{display:block;font-size:12px;color:var(--color-ink-faint);word-break:break-all}.waiting-badge{background:var(--color-redo-bg);color:var(--color-redo);border:1px solid var(--color-redo-line);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.scope-chip{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--color-primary-tint);color:var(--color-primary-active);font-size:12px;white-space:nowrap}.scope-fields{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px}.scope-field{display:flex;flex-direction:column;gap:4px}.scope-field-label{font-size:12px;color:var(--color-ink-muted)}.scope-field input{width:110px;max-width:100%;padding:8px 10px;font-size:15px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.scope-field input,.scope-level{border:1px solid var(--color-hairline);border-radius:8px}.scope-level{display:inline-flex;align-items:center;height:37px;padding:0 10px;background:var(--color-canvas);font-size:15px;white-space:nowrap}.scope-note{margin:0 0 14px;padding:10px 12px;border:1px solid var(--color-redo-line);border-radius:10px;background:var(--color-redo-bg);color:var(--color-redo);font-size:14px;line-height:1.6}.home-levels .scope-note{margin:12px 0 0}.self-done{margin-top:var(--space-xxs)}.self-done-check{margin-top:var(--space-sm);min-height:44px;font-size:15px;font-weight:500}.self-done-note{margin:var(--space-xs) 0 0;font-size:13px;color:var(--color-pass)}.record-error{margin:var(--space-sm) 0 0;padding:8px 10px;font-size:13px;line-height:1.6;color:var(--color-redo);background:var(--color-redo-bg);border:1px solid var(--color-redo-line);border-radius:var(--radius-md)}.learn-badge.learn-selfdone{background:var(--color-hairline-soft);color:var(--color-ink-secondary)}.karte-items{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.karte-items .karte-item{border-left:3px solid var(--color-redo-line);padding:2px 0 2px 12px;font-size:14px;line-height:1.6}.karte-where{margin-right:8px;font-size:12px;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}@media (max-width:480px){.col-num{width:68px}.col-date,.col-scope{width:96px}.scope-field input{width:100%}.scope-fields .scope-field{flex:1 1 120px}}@media (max-width:600px){.students-table thead{display:none}.students-table,.students-table tbody,.students-table td,.students-table tr{display:block;width:100%}.students-table tr{padding:12px;border-bottom:1px solid var(--color-hairline)}.students-table tr:last-child{border-bottom:none}.students-table td{padding:3px 0;border:none;display:flex;align-items:baseline;justify-content:space-between;gap:12px}.students-table td[data-label]:before{content:attr(data-label);color:var(--color-ink-muted);font-size:12px;white-space:nowrap}.students-table td.student-cell{display:block;margin-bottom:6px}.students-table .col-cohort,.students-table .col-date,.students-table .col-num,.students-table .col-scope,.students-table .col-status{width:auto}}.col-cohort{width:5em;white-space:nowrap;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.col-status{width:7em;white-space:nowrap}.growth-panel{gap:18px}.growth-now,.growth-panel{display:flex;flex-direction:column}.growth-now{align-items:center;gap:4px;padding:16px 12px;border-radius:var(--radius-lg);background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line);text-align:center}.growth-now-num{font-size:40px;font-weight:700;line-height:1.1;color:var(--color-primary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.growth-now-unit{margin-left:2px;font-size:20px;font-weight:700}.growth-now-sub{font-size:13px;color:var(--color-ink-secondary)}.growth-rate-head{margin:0 0 6px;font-size:12px;color:var(--color-ink-muted)}.growth-rate-num{display:inline-flex;align-items:baseline;gap:5px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.growth-rate-arrow{color:var(--color-ink-faint);font-size:11px}.ret-panel{display:flex;flex-direction:column;gap:14px}.ret-boxes{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto auto;grid-column-gap:10px;column-gap:10px;grid-row-gap:4px;row-gap:4px}.ret-box{display:grid;grid-row:span 3;grid-template-rows:subgrid;align-items:center;align-content:center;justify-items:center;padding:12px 8px;border-radius:var(--radius-lg);background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line);text-align:center}.ret-box-num{font-size:30px;font-weight:700;line-height:1.1;color:var(--color-primary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ret-box-unit{margin-left:2px;font-size:15px;font-weight:700}.ret-box-label{font-size:13px;font-weight:700;line-height:1.4;color:var(--color-ink-secondary)}.ret-box-label-note{display:block;font-size:11px;letter-spacing:-.02em}.ret-box-sub{font-size:11px;line-height:1.4}.ret-survey{display:flex;flex-direction:column;gap:8px;padding:12px 14px;border-radius:var(--radius-lg);background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line)}.ret-survey-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.ret-survey-label{font-size:13px;font-weight:700;color:var(--color-ink-secondary)}.ret-survey-count{font-size:13px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--color-ink-muted)}.ret-survey-count strong{font-size:20px;color:var(--color-primary)}.ret-block-title{font-size:12px;font-weight:700;color:var(--color-ink-muted)}.ret-block-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}.ret-pick{position:relative;display:inline-flex;align-items:center;max-width:100%;min-width:0}.ret-pick select{-moz-appearance:none;appearance:none;-webkit-appearance:none;max-width:100%;min-height:32px;padding:4px 28px 4px 11px;border:1px solid var(--color-hairline);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-primary);font:inherit;font-size:13px;font-weight:700;line-height:1.4;text-overflow:ellipsis;cursor:pointer}.ret-pick select:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.ret-pick-caret{position:absolute;right:11px;font-size:10px;color:var(--color-ink-faint);pointer-events:none}.ret-block-note{margin-left:auto;flex:0 0 auto;font-size:11px;font-weight:700;white-space:nowrap;color:var(--color-ink-muted)}.ret-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--color-hairline-soft)}.ret-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--color-hairline-soft);color:inherit;text-decoration:none}@media (hover:hover){.ret-row.is-link:hover .ret-label{color:var(--color-primary)}}.ret-main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:2px}.ret-label{flex:1 1 auto;min-width:0;font-size:14px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ret-value{flex:0 0 auto;display:inline-flex;align-items:baseline;gap:6px;font-size:13px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.ret-score{font-weight:700}.ret-score.is-pass{color:var(--color-pass)}.ret-score.is-near{color:var(--color-redo)}.ret-score.is-low{color:var(--color-mark-red)}.ret-sub{font-size:11px}.invite-role-details>summary{cursor:pointer;color:var(--color-ink-muted);font-size:13px}.account-cohort-input{width:10em;max-width:100%}.status-badge.is-graduate{background:var(--color-waiting-bg);box-shadow:inset 0 0 0 1px var(--color-waiting-line);color:var(--color-ink-muted)}.detail-sentence,.fbc-zh,.py-field-c,.rcell-c,.reading-preview,.submission-sentence{font-family:var(--font-zh)}.col-date,.col-num,.detail-pinyin,.fbc-no,.fbc-stat b,.hist-date,.karte-item-date,.karte-where,.py-field-input,.rcell-py,.review-nowno,.sub-table .col-time,.tone-select{font-family:var(--font-pinyin)}.audio-note,.chosen-content,.chosen-textarea,.content-input,.fb-quick-input,.fbc-text,.hist-fb-list,.karte-item-content,.template-content,.tone-card-fb ul,.tone-preview{font-family:var(--font-mixed)}@media (min-width:768px){.detail{padding:var(--space-xl)}.detail-sentence{font-size:34px}.detail-pinyin{font-size:19px}.explanation-body{max-width:42em}.practice{padding:var(--space-xl)}.step-card{padding:var(--space-xl) 0 var(--space-lg)}.submit-actions .btn-submit{flex:0 1 auto;min-width:240px}}.top-progress{position:fixed;top:env(safe-area-inset-top,0);left:0;height:4px;width:0;background:var(--color-primary);z-index:2000;pointer-events:none;opacity:0}.top-progress--start{opacity:1;width:30%;transition:width .2s ease-out}.top-progress--loading{opacity:1;width:92%;transition:width 9s cubic-bezier(.1,.8,.2,1)}.top-progress--done{opacity:0;width:100%;transition:width .2s ease,opacity .35s ease .15s}@media (prefers-reduced-motion:reduce){.top-progress--loading,.top-progress--start{transition-duration:0s;width:60%}}.page-title{margin:0 0 20px;font-size:20px;font-weight:700;line-height:1.4;color:var(--color-primary)}.app-menu-soon{margin-left:auto;padding:1px 6px;border-radius:var(--radius-sm);background:var(--color-canvas);border:1px solid var(--color-hairline);color:var(--color-ink-faint);font-size:11px;font-weight:600;white-space:nowrap}.prep-head{display:flex;align-items:flex-start;gap:14px}.prep-icon{flex-shrink:0;color:var(--color-ink-faint);margin-top:2px}.course-cards{display:flex;flex-direction:column;gap:12px}.course-card{display:block;padding:18px 20px;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);text-decoration:none;color:var(--color-ink)}@media (hover:hover){.course-card:hover{border-color:var(--color-primary)}}.course-card-head{display:flex;align-items:center;gap:10px}.course-card-icon{flex-shrink:0;color:var(--color-primary)}.course-card-title{font-size:17px;font-weight:700}.chapter-no{display:block;margin-bottom:2px;font-weight:700;letter-spacing:.04em}.chapter-no,.course-card-soon{font-size:12px;color:var(--color-ink-faint)}.course-card-soon{margin-left:auto;padding:2px 8px;border-radius:var(--radius-sm);background:var(--color-canvas);border:1px solid var(--color-hairline);font-weight:600;white-space:nowrap}.course-card-summary{margin:8px 0 0;font-size:14px;line-height:1.7;color:var(--color-ink-muted)}.course-card-count{margin-top:14px;margin-bottom:6px;font-size:14px;color:var(--color-ink-secondary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;text-align:right}.course-card-count strong{font-family:var(--font-pinyin);font-size:20px;color:var(--color-pass)}.tone-summary{margin-bottom:var(--space-md)}.tone-summary-row{display:flex;align-items:center;gap:12px;padding:12px 4px;text-decoration:none;color:var(--color-ink);border-bottom:1px solid var(--color-hairline-soft)}.tone-summary-row:last-child{border-bottom:0}@media (hover:hover){.tone-summary-row:hover .tone-summary-label{color:var(--color-primary)}}.tone-summary-label{font-size:15px;font-weight:600}.tone-summary-dots{display:flex;gap:4px;margin-left:auto}.tone-dot{width:14px;height:8px;border-radius:2px;background:var(--color-hairline)}.tone-dot.is-done{background:var(--color-pass)}.tone-summary-num{min-width:56px;text-align:right;font-family:var(--font-pinyin);font-size:15px;font-weight:600}.tone-summary-done{font-family:var(--font-sans);font-size:13px;color:var(--color-pass)}.submission-tone-syllables{font-size:17px;color:var(--color-ink)}.tone-lead{margin:0 0 14px;font-size:14px;line-height:1.8}.tone-lead>:first-child{margin-top:0}.tone-lead>:last-child{margin-bottom:0}.tone-cards{display:flex;flex-direction:column;gap:12px}.tone-card{padding:16px 18px 18px;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-lg)}.tone-card-head{display:flex;align-items:center;gap:10px}.tone-card-title{font-size:16px;font-weight:700}.tone-card-status{margin-left:auto;padding:2px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;white-space:nowrap}.tone-card-status.is-waiting{background:var(--color-waiting-bg);border:1px solid var(--color-waiting-line);color:var(--color-waiting)}.tone-card-status.is-perfect{background:var(--color-perfect);color:var(--color-perfect-on)}.tone-card-status.is-pass{background:var(--color-pass-bg);border:1px solid var(--color-pass-line);color:var(--color-pass)}.tone-card-status.is-redo{background:var(--color-redo-bg);border:1px solid var(--color-redo-line);color:var(--color-redo)}.tone-card-syllables{margin:10px 0 14px;font-size:18px;line-height:1.8;color:var(--color-ink)}@media (max-width:560px){.tone-card-syllables{font-size:15px}}.tone-card-mine{display:flex;flex-direction:column;align-items:center;gap:6px;margin:0 0 14px}.tone-card-mine-label{font-size:12px;font-weight:600;color:var(--color-ink-muted)}.tone-card-wait{margin:0;padding:12px 14px;background:var(--color-waiting-bg);border:1px solid var(--color-waiting-line);border-radius:var(--radius-sm);font-size:14px;line-height:1.7;color:var(--color-waiting);text-align:center}.tone-card-actions{display:flex;flex-direction:column;align-items:center;gap:10px}.tone-card-audio{width:100%;max-width:360px}.tone-card-buttons{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.tone-card-fb{margin:0 0 14px;padding:12px 14px;background:var(--color-surface-sunken);border:1px solid var(--color-hairline);border-radius:var(--radius-md);font-size:14px;line-height:1.8}.tone-fb-group+.tone-fb-group{margin-top:10px}.tone-fb-label{font-weight:700;font-size:13px}.tone-fb-group.is-good .tone-fb-label{color:var(--color-pass)}.tone-fb-group.is-bad .tone-fb-label{color:var(--color-redo)}.tone-card-fb ul{margin:4px 0 0;padding-left:1.2em}.tone-fb-cat{margin-right:6px;padding:1px 6px;border-radius:var(--radius-sm);background:var(--color-canvas);border:1px solid var(--color-hairline);font-size:12px;color:var(--color-ink-muted)}.tone-card-fb .btn{margin-top:12px}.tone-card-discord{display:block;margin:12px auto 0;padding:6px 12px;background:none;border:0;color:var(--color-ink-faint);font-size:13px;text-decoration:underline;cursor:pointer}.course-cards.is-tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px}@media (max-width:860px){.course-cards.is-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:560px){.course-cards.is-tiles{grid-template-columns:minmax(0,1fr)}}.course-tile{flex-direction:column;padding:22px 18px 24px}.course-tile,.course-tile-head{display:flex;align-items:center}.course-tile-head{justify-content:center;gap:8px;text-align:center}.course-tile-icon{flex-shrink:0;margin:18px 0 16px;color:var(--color-primary)}.course-tile .course-card-summary{margin:0;align-self:stretch;text-align:left}.course-tile.is-preparing .course-tile-icon{color:var(--color-ink-faint)}.course-tile .course-card-soon{margin-left:0}.course-card.is-preparing{background:transparent;border-style:dashed}.course-card.is-preparing .course-card-icon{color:var(--color-ink-faint)}.course-card.is-preparing .course-card-title{color:var(--color-ink-muted)}.guide-lead{margin:-8px 0 20px;font-size:14px;line-height:1.8}.manual-progress{margin:-8px 0 14px;font-size:14px;color:var(--color-ink-muted);text-align:right}.manual-progress strong{font-family:var(--font-pinyin);font-size:18px;color:var(--color-pass)}.manual-group+.manual-group{margin-top:24px}.manual-group-title{margin:0 0 10px;font-size:15px;font-weight:700;line-height:1.5;color:var(--color-primary)}.manual-index{list-style:none;margin:0;padding:0;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);overflow:hidden}.manual-index li+li{border-top:1px solid var(--color-hairline-soft)}.manual-index-row{display:flex;align-items:center;gap:12px;padding:16px 18px;text-decoration:none;color:var(--color-ink)}@media (hover:hover){.manual-index-row:hover{background:var(--color-surface-sunken)}}.manual-index-title{flex:1 1 auto;font-size:16px;font-weight:600;line-height:1.5}.manual-check{flex-shrink:0;color:var(--color-ink-faint)}.manual-check.is-done{color:var(--color-pass)}.manual-check.is-done circle{fill:var(--color-pass)}.manual-check.is-done path{stroke:#ffffff}.manual-check.is-doing{color:var(--color-primary)}.manual-index-count{margin-left:auto;flex-shrink:0;font-family:var(--font-pinyin);font-size:14px;font-weight:600;color:var(--color-ink-faint);white-space:nowrap}.manual-index-count.is-doing{color:var(--color-primary)}.manual-index-count.is-done{color:var(--color-pass)}.back-bottom{display:block;margin-top:22px;padding:12px;text-align:center;font-size:14px;font-weight:600;color:var(--color-ink-muted);text-decoration:none}@media (hover:hover){.back-bottom:hover{color:var(--color-primary)}}.back-origin{color:var(--color-primary)}.back-origin+.back-bottom{margin-top:0}.manual-sheet{padding:20px 22px 24px}.manual-body{font-size:16px;line-height:1.95;color:var(--color-ink-secondary);overflow-wrap:break-word;word-break:break-word}.manual-h2{margin:30px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--color-hairline);font-size:19px;font-weight:700;line-height:1.5;color:var(--color-ink)}.manual-body>.manual-h2:first-child{margin-top:0}.manual-h3{margin:26px 0 10px;font-size:16px;font-weight:700;line-height:1.6;color:var(--color-ink)}.manual-body>.manual-h3:first-child{margin-top:0}.manual-p{margin:0 0 18px}.manual-p:last-child{margin-bottom:0}.manual-list{margin:0 0 18px;padding-left:1.35em}.manual-list li{margin-bottom:6px}.manual-list li:last-child{margin-bottom:0}.manual-list-sub{display:block;margin-top:2px}.manual-rule{height:0;margin:18px 0;border:0;border-top:1px solid var(--color-hairline)}.manual-rule+.manual-list{margin-top:-8px}.manual-list+.manual-rule{margin-top:10px}.lightbox{position:fixed;inset:0;z-index:1200;display:flex;flex-direction:column;background:#141413}.lightbox-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;flex-shrink:0}.lightbox-btn{min-height:44px;padding:10px 16px;border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-md);background:rgba(255,255,255,.12);color:#ffffff;font-family:inherit;font-size:14px;font-weight:700;cursor:pointer}@media (hover:hover){.lightbox-btn:hover{background:rgba(255,255,255,.22)}}.lightbox-scroll{flex:1 1 auto;overflow:auto;display:flex;align-items:center;justify-content:center;padding:0 10px 10px;-webkit-overflow-scrolling:touch}.lightbox-img{display:block;max-width:100%;max-height:100%;border-radius:var(--radius-md);background:#ffffff}.lightbox-scroll.is-full{align-items:flex-start;justify-content:flex-start}.lightbox-scroll.is-full .lightbox-img{max-width:none;max-height:none;width:auto;height:auto}.lightbox-caption{flex-shrink:0;margin:0;padding:0 16px 14px;color:rgba(255,255,255,.75);font-size:13px;line-height:1.6;text-align:center}.mk-red{color:var(--color-mark-red)}.mk-yellow{background:linear-gradient(transparent 58%,var(--color-mark-yellow) 58%)}.mk-u{text-decoration:underline;text-underline-offset:3px}.manual-body .zh{font-size:1.02em}.manual-table-wrap{margin:8px 0 22px;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface)}.manual-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.5;white-space:nowrap}.manual-table td,.manual-table th{padding:9px 12px;border-bottom:1px solid var(--color-hairline-soft);border-right:1px solid var(--color-hairline-soft);text-align:center}.manual-table tr:last-child td,.manual-table tr:last-child th{border-bottom:0}.manual-table td:last-child,.manual-table th:last-child{border-right:0}.manual-table thead th{white-space:nowrap}.manual-table tbody th,.manual-table thead th{background:var(--color-surface-sunken);font-weight:700;color:var(--color-ink)}.manual-table .mk-red{font-weight:700}.manual-table.is-pinyin tbody td{font-family:var(--font-pinyin);letter-spacing:.02em;font-size:15px}.manual-steps{margin:8px 0 22px;padding:0;list-style:none;counter-reset:manual-step}.manual-steps li{position:relative;counter-increment:manual-step;min-height:30px;padding:3px 0 20px 46px;font-size:16px;font-weight:600;line-height:1.6;color:var(--color-ink)}.manual-steps li:before{content:counter(manual-step);position:absolute;left:0;top:0;display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--color-ink);color:var(--color-surface);font-size:14px;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.manual-steps li:after{content:"";position:absolute;left:14px;top:34px;bottom:6px;width:2px;background:var(--color-hairline)}.manual-steps li:last-child{padding-bottom:0}.manual-steps li:last-child:after{display:none}.manual-quote{margin:4px 0 20px;padding:14px 16px;background:var(--color-surface-sunken);border:1px solid var(--color-hairline);border-left:3px solid var(--color-primary);border-radius:var(--radius-md);font-size:15px}.manual-quote .manual-p{margin-bottom:10px}.manual-quote .manual-p:last-child{margin-bottom:0}.lp-slide-note{margin-top:14px}.lp-slide-note .manual-body>:last-child{margin-bottom:0}.lp-slide-note .manual-table td,.lp-slide-note .manual-table th{text-align:left}.manual-quote.is-copy{border-left-color:var(--color-ink-faint);background:var(--color-surface)}.manual-copy-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px;padding-top:12px;border-top:1px solid var(--color-hairline)}.manual-copy-failed{font-size:13px;line-height:1.6;color:var(--color-redo)}.manual-link{color:var(--color-primary);text-decoration:underline;text-underline-offset:3px}@media (hover:hover){.manual-link:hover{color:var(--color-primary-active)}}.exp-body .manual-link{text-decoration:none}.manual-linkline{margin:0 0 18px;padding-left:1.6em;text-indent:-1.6em;font-size:15px;font-weight:700;line-height:1.8}.manual-linkline-mark{margin-right:6px;color:var(--color-ink-faint)}.manual-note{margin:0 0 14px;font-size:14px;line-height:1.8;color:var(--color-ink-muted)}.manual-figure{margin:4px 0 20px}.manual-figure-link{position:relative;display:block;width:-moz-fit-content;width:fit-content;margin:0 auto;padding:0;border:0;background:none;font:inherit;color:inherit;cursor:pointer}.manual-zoom{position:absolute;right:8px;bottom:8px;display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:999px;background:rgba(26,26,25,.62);color:#ffffff;pointer-events:none}@media (hover:hover){.manual-figure-link:hover .manual-zoom{background:rgba(26,26,25,.82)}}.manual-figure img{display:block;width:auto;max-width:100%;height:auto;max-height:560px;margin:0 auto;background:var(--color-surface-sunken)}.manual-figure img,.manual-video{border:1px solid var(--color-hairline);border-radius:var(--radius-md)}.manual-video{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#000}.manual-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.manual-video-soon{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:16/9;border:1px dashed var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface-sunken);color:var(--color-ink-faint);font-size:14px}.manual-figure figcaption{margin-top:8px;font-size:13px;line-height:1.7;color:var(--color-ink-faint);text-align:center}.manual-done{display:flex;justify-content:center;flex-direction:column;align-items:center;margin-top:22px}.btn-done{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:11px 22px;background:var(--color-pass-bg);border:1px solid var(--color-pass-line);border-radius:var(--radius-md);color:var(--color-pass);font-size:15px;font-weight:700;font-family:inherit;cursor:pointer}@media (hover:hover){.btn-done:hover{border-color:var(--color-pass)}}.btn-done:disabled{opacity:.6;cursor:default}.manual-nav{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-top:24px}.manual-nav-btn{display:flex;flex-direction:column;gap:3px;padding:12px 14px;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);text-decoration:none}.manual-nav-btn.is-next{text-align:right}@media (hover:hover){.manual-nav-btn:hover{border-color:var(--color-primary)}}.manual-nav-label{font-size:13px;font-weight:700;color:var(--color-primary)}.manual-nav-title{font-size:13px;line-height:1.55;color:var(--color-ink-muted)}.list-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px}.list-head-title{margin:0;flex:1 1 auto}.list-head-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.list-select{font-family:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink);cursor:pointer}.list-select:focus{outline:2px solid var(--color-primary);outline-offset:1px}.list-select option.is-urgent{color:var(--color-redo);font-weight:700}.list-flag{font-family:inherit;font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;cursor:pointer;white-space:nowrap}.list-flag.is-redo{background:var(--color-redo-bg);border:1px solid var(--color-redo);color:var(--color-redo)}.list-flag.is-new{background:var(--color-pass-bg);border:1px solid var(--color-pass);color:var(--color-pass)}.pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:20px;flex-wrap:wrap}.pager-state{font-size:13px;color:var(--color-ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;text-align:center;flex:1 1 auto}.pager-range{display:block;margin-top:2px;font-size:12px;color:var(--color-ink-faint)}.pager-line{gap:6px;white-space:nowrap}.pager-line,.pager-pick{display:inline-flex;align-items:center}.pager-pick{position:relative}.pager-select{width:auto;min-width:3.2em;padding:5px 26px 5px 12px;border:1px solid var(--color-hairline);border-radius:999px;background:var(--color-surface);font-family:inherit;font-size:15px;font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;line-height:1.4;text-align:center;color:var(--color-ink);cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none}.pager-select:focus-visible{outline:2px solid var(--color-primary);outline-offset:1px}.pager-pick:after{content:"";position:absolute;right:11px;width:6px;height:6px;border-right:1.5px solid var(--color-ink-faint);border-bottom:1.5px solid var(--color-ink-faint);transform:translateY(-2px) rotate(45deg);pointer-events:none}.day-log-nav{margin-top:10px;padding-top:10px}.day-log-count{text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.day-log-total{display:block;font-size:11px;font-weight:400;color:var(--color-ink-faint)}.pager-total{font-size:13px;color:var(--color-ink-muted)}.examples-table tr.is-back,.examples-table tr.is-back>td{background:var(--color-primary-tint);transition:background .6s ease}@media (prefers-reduced-motion:reduce){.examples-table tr.is-back,.examples-table tr.is-back>td{transition:none}}.btn-icon{flex-shrink:0;margin-right:6px;vertical-align:-2px}.phrase-practice{margin:8px 0 22px;padding:18px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface)}.phrase-practice-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:10px;border-bottom:1px dashed var(--color-hairline)}.phrase-practice-count{font-size:14px;font-weight:700;color:var(--color-ink)}.phrase-practice-speaker{font-size:13px;padding:3px 10px;border-radius:999px;background:var(--color-surface-sunken);color:var(--color-ink-muted)}.phrase-practice-panel{display:flex;flex-direction:column;gap:14px}.phrase-practice-lead{margin:0;font-size:15px;line-height:1.7}.phrase-practice-sub{margin:0;font-size:13px}.phrase-practice-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.phrase-practice-play{display:inline-flex;align-items:center;gap:8px}.phrase-practice-hint{margin:0;padding:10px 12px;border-radius:var(--radius-md);background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line);font-size:14px;line-height:1.6}.phrase-practice-error{margin:0;padding:10px 12px;border-radius:var(--radius-md);background:var(--color-redo-bg);border:1px solid var(--color-redo-line);color:var(--color-redo);font-size:14px}.phrase-practice-text{padding:12px 14px;border-radius:var(--radius-md);background:var(--color-surface-sunken);border:1px solid var(--color-hairline)}.phrase-practice-role{margin:0 0 4px;font-size:12px;font-weight:700}.phrase-practice-zh{margin:0;font-size:20px;line-height:1.6}.phrase-practice-ja{margin:6px 0 0;font-size:14px}.phrase-practice-next{align-self:flex-start;min-width:160px}.phrase-practice-scores{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:8px;gap:8px}@media (max-width:640px){.phrase-practice-scores{grid-template-columns:repeat(2,minmax(0,1fr))}}.phrase-practice-score{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink);font-size:13px;cursor:pointer}@media (hover:hover){.phrase-practice-score:hover{background:var(--color-primary-tint);border-color:var(--color-primary-tint-line)}}.phrase-practice-stars{font-size:18px;letter-spacing:2px;color:var(--color-perfect)}.phrase-practice-score-label{text-align:center;line-height:1.4;font-weight:600}.phrase-practice-back{align-self:flex-start}.phrase-practice-answer{padding:14px 16px;border-radius:var(--radius-md);background:var(--color-perfect-bg);border:1px solid var(--color-perfect-line)}.phrase-practice-answer .phrase-practice-role{color:var(--color-perfect)}.phrase-practice-nav{display:flex;justify-content:space-between;gap:10px}.phrase-practice-nav .btn-primary{flex:1 1}.phrase-result{margin:12px 0 22px;padding:22px;text-align:center;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface-sunken)}.phrase-result-title{margin:0 0 12px;font-size:20px}.phrase-result-score{margin:0 0 6px;font-size:24px;font-weight:700}.phrase-result-score strong{color:var(--color-perfect)}.phrase-result-rate{margin-left:6px;font-size:16px;color:var(--color-ink-muted)}.phrase-result-note{margin:8px 0 18px;font-size:14px;color:var(--color-ink-muted)}.btn-secondary.is-on{background:var(--color-primary-tint);border-color:var(--color-primary-tint-line);color:var(--color-primary)}.phrase-table .phrase-cell-jp{display:inline-block;font-size:14px;line-height:1.6;text-size-adjust:100%;max-height:999999px}.phrase-table .phrase-col-no,.phrase-table .phrase-col-play{width:1%;white-space:nowrap;text-align:center}.phrase-play{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--color-primary-tint-line);background:var(--color-primary-tint);color:var(--color-primary);cursor:pointer;padding:0;vertical-align:middle}.phrase-play:disabled{opacity:.5;cursor:wait}@media (hover:hover){.phrase-play:not(:disabled):hover{background:var(--color-primary);color:var(--color-on-primary);border-color:var(--color-primary)}}.phrase-play.is-playing{background:var(--color-primary);color:var(--color-on-primary);border-color:var(--color-primary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.phrase-table tbody td,.phrase-table tbody th,.phrase-table thead th{text-align:left;font-size:14px!important;line-height:1.6;vertical-align:middle;padding:10px 12px;text-size-adjust:100%}.phrase-table-wrap{max-height:999999px}.phrase-table,.phrase-table td,.phrase-table th,.phrase-table-wrap{text-size-adjust:100%}.phrase-table tbody th:first-child,.phrase-table thead th:first-child{white-space:nowrap}.phrase-scene-cards{display:grid;grid-gap:10px;gap:10px;margin:8px 0 22px}.phrase-scene-card{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:12px;border:1px solid var(--color-hairline);background:var(--color-surface);color:var(--color-ink);text-decoration:none;transition:background .12s ease,border-color .12s ease,transform .12s ease}@media (hover:hover){.phrase-scene-card:hover{background:var(--color-surface-sunken);border-color:var(--color-primary-tint-line);transform:translateY(-1px)}}.phrase-scene-icon{flex:0 0 auto;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--color-primary-tint);font-size:22px;line-height:1}.phrase-scene-body{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:3px}.phrase-scene-title{font-size:15px;font-weight:700;color:var(--color-ink);line-height:1.4}.phrase-scene-summary{font-size:12.5px;line-height:1.6;color:var(--color-ink-muted)}.phrase-scene-arrow{flex:0 0 auto;font-size:16px;color:var(--color-primary);font-weight:700}.phrase-scene-tail{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:4px}.phrase-scene-count{font-size:12px;color:var(--color-ink-secondary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.phrase-scene-count strong{font-family:var(--font-pinyin);font-size:16px;color:var(--color-pass)}.phrase-scene-done{padding:1px 7px;border-radius:var(--radius-sm);background:var(--color-pass-bg);border:1px solid var(--color-pass-line);color:var(--color-pass);font-size:11px;font-weight:700;white-space:nowrap}.phrase-scene-card.is-preparing{background:transparent;border-style:dashed;cursor:default}.phrase-scene-card.is-preparing .phrase-scene-icon{background:var(--color-surface-sunken);filter:grayscale(1);opacity:.75}.phrase-scene-card.is-preparing .phrase-scene-title{color:var(--color-ink-muted)}.phrase-scene-soon{flex:0 0 auto;padding:2px 8px;border-radius:var(--radius-sm);background:var(--color-canvas);border:1px solid var(--color-hairline);color:var(--color-ink-faint);font-size:12px;font-weight:600;white-space:nowrap}.phrase-cta{display:flex;align-items:center;gap:14px;margin:22px 0 18px;padding:18px 20px;border-radius:14px;border:1px solid var(--color-primary-tint-line);background:var(--color-primary-tint);color:var(--color-primary);text-decoration:none;transition:transform .12s ease,box-shadow .12s ease}@media (hover:hover){.phrase-cta:hover{box-shadow:0 8px 22px -12px rgba(0,117,222,.45);transform:translateY(-1px)}}.phrase-cta-icon{flex:0 0 auto;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--color-primary);color:var(--color-on-primary);font-size:22px}.phrase-cta-body{flex:1 1;min-width:0}.phrase-cta-title{display:block;font-size:16px;font-weight:700;color:var(--color-primary)}.phrase-cta-sub{display:block;margin-top:4px;font-size:13px;color:var(--color-ink-muted)}.phrase-cta-arrow{flex:0 0 auto;font-size:20px;color:var(--color-primary);font-weight:700}.phrase-launcher-lead{margin-top:0;font-size:15px}.phrase-launcher{margin:22px 0}.phrase-launcher-card{padding:26px 22px;border:1px solid var(--color-hairline);border-radius:14px;background:var(--color-surface);text-align:center}.phrase-launcher-count{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--color-primary-tint);color:var(--color-primary);font-size:12px;font-weight:700;margin-bottom:10px}.phrase-launcher-desc{margin:0 0 22px;font-size:15px;line-height:1.7;color:var(--color-ink)}.phrase-launcher-start{display:inline-flex;align-items:center;justify-content:center;min-width:240px;padding:16px 26px;border-radius:12px;border:0;background:var(--color-perfect);color:var(--color-perfect-on);font-size:17px;font-weight:700;cursor:pointer;box-shadow:0 10px 24px -14px rgba(11,107,35,.55);transition:transform .12s ease,box-shadow .12s ease,background .12s ease}@media (hover:hover){.phrase-launcher-start:hover{transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(11,107,35,.6);filter:brightness(1.05)}}.phrase-launcher-start:active{transform:translateY(0);filter:brightness(.95)}.phrase-launcher-note{margin:14px 0 0;font-size:12.5px}.pp-overlay{position:fixed;inset:0;z-index:1100;display:flex;align-items:center;justify-content:center;padding:calc(16px + env(safe-area-inset-top, 0px)) 16px calc(16px + env(safe-area-inset-bottom, 0px));background:rgba(26,26,25,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.pp-panel{display:flex;flex-direction:column;width:100%;max-width:520px;max-height:100%;border-radius:18px;background:var(--color-canvas);border:1px solid var(--color-hairline);box-shadow:0 20px 60px -16px rgba(20,20,19,.5);overflow:hidden}.pp-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 12px;border-bottom:1px solid var(--color-hairline-soft);gap:12px}.pp-head-title{min-width:0;display:flex;flex-direction:column;gap:2px}.pp-head-scene{font-size:12px;color:var(--color-ink-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pp-head-progress{font-size:15px;font-weight:700;color:var(--color-ink);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.pp-head-of{color:var(--color-ink-faint);margin:0 3px}.pp-close{flex:0 0 auto;width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:transparent;color:var(--color-ink-muted);border:1px solid var(--color-hairline);cursor:pointer}@media (hover:hover){.pp-close:hover{background:var(--color-surface-sunken);color:var(--color-ink)}}.pp-progress{display:flex;gap:4px;padding:10px 16px 0}.pp-progress-cell{flex:1 1;height:4px;border-radius:999px;background:var(--color-hairline)}.pp-progress-cell.is-done{background:var(--color-primary)}.pp-progress-cell.is-current{background:linear-gradient(90deg,var(--color-primary) 50%,var(--color-hairline) 50%)}.pp-body{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:22px 18px 24px;overflow-y:auto;text-align:center}.pp-speaker{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em}.pp-speaker.is-other{background:var(--color-surface-sunken);color:var(--color-ink)}.pp-speaker.is-self{background:var(--color-ink);color:var(--color-surface)}.pp-line{width:100%;padding:14px 16px;border-radius:12px;background:var(--color-surface-sunken);border:1px solid var(--color-hairline);text-align:center}.pp-line-answer{background:var(--color-perfect-bg);border-color:var(--color-perfect-line)}.pp-line-answer .pp-line-role{color:var(--color-perfect)}.pp-line-role{margin:0 0 6px;font-size:12px;font-weight:700;color:var(--color-ink-muted)}.pp-line-zh{margin:0;font-size:22px;line-height:1.5;font-weight:700;color:var(--color-ink)}.pp-line-ja{margin:8px 0 0;font-size:13.5px;line-height:1.6}.pp-hint-lead,.pp-line-ja{color:var(--color-ink-muted)}.pp-hint-lead{margin:0;font-size:14px;line-height:1.7}.pp-hint-lead strong{color:var(--color-ink)}.pp-play{width:88px;height:88px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:0;background:var(--color-primary);color:var(--color-on-primary);cursor:pointer;box-shadow:0 14px 30px -14px rgba(0,117,222,.55);transition:transform .12s ease,box-shadow .12s ease}.pp-play:disabled{opacity:.6;cursor:not-allowed}@media (hover:hover){.pp-play:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 18px 36px -14px rgba(0,117,222,.6)}}.pp-play.is-playing{animation:pp-pulse 1.6s ease-in-out infinite}@keyframes pp-pulse{0%,to{box-shadow:0 0 0 0 rgba(0,117,222,.35),0 14px 30px -14px rgba(0,117,222,.55)}50%{box-shadow:0 0 0 14px rgba(0,117,222,0),0 14px 30px -14px rgba(0,117,222,.55)}}.pp-play-caption{font-size:13px;color:var(--color-ink-muted)}.pp-toggles{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.pp-toggle{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;border:1px solid var(--color-hairline);background:var(--color-surface);color:var(--color-ink-muted);font-size:13px;cursor:pointer;white-space:nowrap;line-height:1.2}@media (max-width:400px){.pp-toggle{padding:8px 10px;font-size:12.5px;gap:4px}}.pp-toggle svg{flex:0 0 auto}.pp-toggle.is-on{background:var(--color-primary-tint);border-color:var(--color-primary-tint-line);color:var(--color-primary)}.pp-hint-box{display:flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line);color:var(--color-primary);line-height:1.6}.pp-error,.pp-hint-box{width:100%;padding:10px 14px;font-size:13.5px}.pp-error{border-radius:10px;background:var(--color-redo-bg);border:1px solid var(--color-redo-line);color:var(--color-redo)}.pp-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:10px;font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;min-height:44px}.pp-btn-wide{min-width:220px}.pp-btn-primary{background:var(--color-primary);color:var(--color-on-primary);border-color:var(--color-primary)}.pp-btn-primary:disabled{opacity:.55;cursor:not-allowed}.pp-btn-primary:not(:disabled):active{background:var(--color-primary-active)}.pp-btn-secondary{background:var(--color-surface);color:var(--color-ink);border-color:var(--color-hairline)}.pp-btn-ghost{background:transparent;color:var(--color-ink-muted);border-color:transparent;padding:8px 12px}@media (hover:hover){.pp-btn-ghost:hover{color:var(--color-ink);background:var(--color-surface-sunken)}}.pp-answer-lead{margin:0;font-size:15px;line-height:1.7;color:var(--color-ink)}.pp-answer-lead strong{color:var(--color-primary)}.pp-scores{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px;width:100%}@media (min-width:560px){.pp-scores{grid-template-columns:repeat(4,minmax(0,1fr))}}.pp-score{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 8px;border-radius:12px;background:var(--color-surface);border:1px solid var(--color-hairline);color:var(--color-ink);cursor:pointer;transition:background .1s ease,border-color .1s ease}@media (hover:hover){.pp-score:hover{background:var(--color-primary-tint);border-color:var(--color-primary-tint-line)}}.pp-score-stars{font-size:18px;letter-spacing:3px;color:var(--color-perfect);line-height:1}.pp-score-label{font-size:12.5px;font-weight:700;color:var(--color-ink);line-height:1.4;text-align:center}.pp-done{display:flex;flex-direction:column;align-items:center;gap:14px;width:100%}.pp-done-badge{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--color-perfect);color:var(--color-perfect-on);font-size:12px;font-weight:700}.pp-done-score{display:flex;align-items:baseline;gap:8px;color:var(--color-ink)}.pp-done-num{font-size:44px;font-weight:800;color:var(--color-primary);line-height:1}.pp-done-max{font-size:18px}.pp-done-max,.pp-done-rate{color:var(--color-ink-muted)}.pp-done-rate{font-size:15px}.pp-done-note{margin:0;font-size:13.5px;color:var(--color-ink-muted);line-height:1.7}.pp-done-actions{display:flex;gap:10px;justify-content:center;width:100%}.pp-done-actions .pp-btn{min-width:140px}.pp-progress-cell.is-correct{background:var(--color-pass)}.pp-progress-cell.is-wrong{background:var(--color-redo);opacity:.55}.pp-done-badge.is-perfect{background:var(--color-perfect);color:var(--color-perfect-on)}.pp-done-badge.is-pass{background:var(--color-pass);color:#fff}.pp-done-badge.is-low,.pp-done-badge.is-near{background:var(--color-surface-sunken);color:var(--color-ink-secondary);border:1px solid var(--color-hairline)}.pp-panel-quiz .pp-body{align-items:stretch;justify-content:flex-start;text-align:left}.pp-panel-quiz .pp-done{text-align:center}.gq-prompt{display:flex;flex-direction:column;gap:8px;padding:14px 16px;border-radius:12px;background:var(--color-surface);border:1px solid var(--color-hairline)}.gq-no{align-self:flex-start;padding:2px 10px;border-radius:999px;background:var(--color-primary-tint);color:var(--color-primary);font-size:12px;font-weight:700}.gq-prompt-text{margin:0;font-size:15px;line-height:1.75;color:var(--color-ink)}.gq-line{display:block}.gq-line+.gq-line{margin-top:8px}.gq-choices{display:grid;grid-gap:8px;gap:8px;margin-top:12px}.gq-choice{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--color-hairline);background:var(--color-surface);color:var(--color-ink);text-align:left;cursor:pointer;transition:background .12s ease,border-color .12s ease}@media (hover:hover){.gq-choice:not(:disabled):hover{background:var(--color-surface-sunken);border-color:var(--color-primary-tint-line)}}.gq-choice:disabled{cursor:default}.gq-choice-mark{flex:0 0 auto;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--color-canvas);border:1px solid var(--color-hairline);font-size:13px;font-weight:700;color:var(--color-ink-secondary)}.gq-choice-text{flex:1 1;min-width:0;font-size:15px;line-height:1.6}.gq-choice.is-correct{background:var(--color-pass-bg);border-color:var(--color-pass-line)}.gq-choice.is-correct .gq-choice-mark{background:var(--color-pass);border-color:var(--color-pass);color:#fff}.gq-choice.is-wrong{background:var(--color-redo-bg,var(--color-surface-sunken));border-color:var(--color-redo)}.gq-choice.is-wrong .gq-choice-mark{background:var(--color-redo);border-color:var(--color-redo);color:#fff}.gq-choice.is-dim{opacity:.5}.gq-explain{display:flex;flex-direction:column;gap:10px;margin-top:14px;padding:14px 16px;border-radius:12px;background:var(--color-surface-sunken);border:1px solid var(--color-hairline)}.gq-verdict{margin:0;font-size:15px;font-weight:800}.gq-verdict.is-correct{color:var(--color-pass)}.gq-verdict.is-wrong{color:var(--color-redo)}.gq-explain-text{margin:0;font-size:14px;line-height:1.85;color:var(--color-ink-secondary)}.lp-toc{margin:4px 0 8px;padding:14px 16px;border-radius:12px;background:var(--color-surface-sunken);border:1px solid var(--color-hairline)}.lp-toc-sum{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--color-ink-secondary)}.lp-toc-done{margin-left:6px;font-weight:600;color:var(--color-pass)}.lp-toc-list{margin:0;padding:0;list-style:none;display:grid;grid-gap:6px;gap:6px}.lp-toc-item{display:flex;align-items:baseline;gap:8px;font-size:14px;line-height:1.6;color:var(--color-ink)}.lp-toc-no{flex:0 0 auto;color:var(--color-primary);font-weight:700}.lp-toc-title{flex:1 1;min-width:0}.lp-toc-min{flex:0 0 auto;font-size:12.5px;color:var(--color-ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.lp-toc-check{flex:0 0 auto;color:var(--color-pass);font-weight:800}.lp-toc-item.is-done .lp-toc-title{color:var(--color-ink-muted)}.lp-toc-item.is-quiz{margin-top:4px;padding-top:8px;border-top:1px dashed var(--color-hairline)}.lp-part-foot{display:flex;justify-content:center;margin:14px 0 4px}.lp-done-form{margin:0;display:flex;flex-direction:column;align-items:center;gap:8px}.lp-done-error{font-size:12.5px;color:var(--color-redo)}.lp-pending{margin:8px 0;font-size:14px}.lp-slide-lead,.lp-survey-lead{margin:8px 0 14px;font-size:14px;line-height:1.85}.linkbtn{display:block;width:-moz-fit-content;width:fit-content;max-width:100%;margin:0 auto;text-align:center;min-height:44px;padding:11px 22px;border-radius:var(--radius-md);border:1px solid var(--color-hairline);background:var(--color-surface);color:var(--color-ink);font-size:15px;font-weight:700;text-decoration:none}@media (hover:hover){.linkbtn:not(.is-pending):hover{background:var(--color-surface-sunken);border-color:var(--color-primary-tint-line)}}.linkbtn.survey-open{font-family:inherit;cursor:pointer}.linkbtn.survey-open.is-done{color:var(--color-pass);font-weight:600;line-height:1.5}.survey-open-sub{font-size:13px;font-weight:500}.survey-body{display:flex;flex-direction:column;gap:14px}.survey-topic{margin:0;font-size:15px;font-weight:700;line-height:1.6;color:var(--color-primary)}.survey-lead p{margin:0;font-size:14px;line-height:1.85}.survey-lead p+p{margin-top:8px;color:var(--color-ink-secondary)}.survey-lead-core{text-align:center;font-size:16px;line-height:1.9}.survey-stars{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:6px;gap:6px}.survey-star{min-height:44px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink-secondary);font:inherit;font-size:15px;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;cursor:pointer}.survey-star.is-on{border-color:var(--color-primary);background:var(--color-primary);color:#fff}.survey-star:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.survey-once{margin:0;font-size:12px}.survey-submit{align-self:flex-start}.survey-answer,.survey-answer-list{display:flex;flex-direction:column;gap:12px}.survey-answer-list{margin:0}.survey-answer-list dt{font-size:12px;font-weight:700;color:var(--color-ink-muted)}.survey-answer-list dd{margin:4px 0 0;font-size:15px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.survey-answer-rating{color:var(--color-primary);letter-spacing:1px}.survey-answer-rest{color:var(--color-hairline)}.survey-answer-date{margin:0;font-size:12px}.survey-admin-chapter+.survey-admin-chapter{margin-top:20px}.survey-admin-chapter-title{margin:0 0 8px;font-size:15px;font-weight:700}.survey-admin-table{width:100%;border-collapse:collapse;font-size:14px}.survey-admin-table td,.survey-admin-table th{padding:8px 10px;border-bottom:1px solid var(--color-hairline-soft);text-align:left;vertical-align:middle}.survey-admin-table th{font-size:12px;color:var(--color-ink-muted);white-space:nowrap}.survey-admin-table .col-num{text-align:right;white-space:nowrap}.survey-admin-table .col-num,.survey-dist{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.survey-dist{display:inline-grid;grid-template-columns:repeat(5,34px);gap:4px;vertical-align:middle}.survey-dist-item{display:flex;flex-direction:column;align-items:center;gap:2px}.survey-dist-track{position:relative;width:100%;height:26px;border-radius:4px;background:var(--color-canvas);overflow:hidden}.survey-dist-fill{position:absolute;left:0;right:0;bottom:0;background:var(--color-primary)}.survey-dist-star{font-size:10px;line-height:1.2;color:var(--color-ink-muted)}.survey-dist-n{font-size:13px;font-weight:700;line-height:1.2;color:var(--color-ink)}.survey-dist-item.is-zero .survey-dist-n{font-weight:500;color:var(--color-ink-faint)}.survey-admin-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}.survey-admin-item{border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);padding:12px 14px;display:flex;flex-direction:column;gap:10px}.survey-admin-item-head{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.survey-admin-name{font-weight:700}.survey-admin-date{margin-left:auto;font-size:12px}.linkbtn.is-pending{color:var(--color-ink-faint);font-weight:500;cursor:default}.linkbtn.is-primary{border:2px solid var(--color-primary);padding:10px 21px;color:var(--color-primary)}@media (hover:hover){.linkbtn.is-primary:not(.is-pending):hover{background:var(--color-primary-tint);border-color:var(--color-primary)}}.linkbtn.is-primary.is-pending{border:1px solid var(--color-hairline);color:var(--color-ink-faint)}.lp-quiz-note{margin:10px 0 4px;font-size:14px;line-height:1.85;text-align:center}.account-form{display:flex;flex-direction:column;gap:var(--space-md)}.account-facts{display:grid;grid-template-columns:max-content 1fr;grid-gap:6px var(--space-md);gap:6px var(--space-md);margin:0;padding:var(--space-sm) var(--space-md);background:var(--color-surface-sunken);border:1px solid var(--color-hairline);border-radius:var(--radius-md);font-size:14px}.account-facts>div{display:contents}.account-facts dt{color:var(--color-ink-muted);white-space:nowrap}.account-facts dd{margin:0;color:var(--color-ink);overflow-wrap:anywhere}.account-facts .account-fact-wide dd{position:relative;overflow:hidden}.account-facts .account-fact-wide .addr-scroll{display:block;white-space:nowrap;overflow-x:auto;overflow-wrap:normal;padding-bottom:5px;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--color-ink-faint) transparent}.account-facts .account-fact-wide .addr-scroll::-webkit-scrollbar{height:4px}.account-facts .account-fact-wide .addr-scroll::-webkit-scrollbar-track{background:transparent}.account-facts .account-fact-wide .addr-scroll::-webkit-scrollbar-thumb{background:var(--color-ink-faint);border-radius:2px}.account-facts .account-fact-wide dd.is-scrollable .addr-scroll{padding-right:26px}.account-facts .account-fact-wide dd.is-scrollable:before{content:"";position:absolute;top:0;right:0;width:34px;height:100%;background:linear-gradient(to left,var(--color-surface-sunken) 40%,rgba(250,249,248,0));pointer-events:none}.account-facts .account-fact-wide dd.is-scrollable:after{content:"›";position:absolute;top:50%;right:2px;transform:translateY(-50%);color:var(--color-ink-faint);font-size:16px;font-weight:700;line-height:1;pointer-events:none}.account-field{display:flex;flex-direction:column;gap:2px;margin:0;padding:var(--space-sm) var(--space-md) var(--space-md);border:1px solid var(--color-hairline);border-radius:var(--radius-md)}.account-field legend{padding:0 6px;font-size:14px;font-weight:700;color:var(--color-ink)}.account-note{margin:0 0 var(--space-xs);font-size:13px;line-height:1.7}.account-feature{padding:var(--space-sm) 0;border-top:1px solid var(--color-hairline-soft)}.account-feature-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-xs);font-size:14px;margin-bottom:4px}.account-feature-head .muted{font-size:12px}.account-feature-choices{display:flex;flex-wrap:wrap;gap:var(--space-xs) var(--space-md)}.submit-notice{margin:0 0 var(--space-sm)}.notice-ok{color:var(--color-pass);background:var(--color-pass-bg);border-color:var(--color-pass-line)}.course-card.is-locked,.course-card.is-veiled{position:relative;overflow:hidden}.course-card.is-locked{cursor:default}.course-card.is-locked>:not(.course-lock-veil){opacity:.22}.course-lock-veil{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.course-lock-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;font-weight:700}.course-lock-icon{display:block;width:24px;height:24px}.course-lock-text{font-size:14px;letter-spacing:.08em;white-space:nowrap}.course-lock-veil.is-locked{background:rgba(20,20,19,.55)}.course-lock-veil.is-locked .course-lock-badge{flex-direction:column;gap:6px;padding:0;color:#ffffff}.course-lock-veil.is-locked .course-lock-icon{width:30px;height:30px}.course-lock-veil.is-locked .course-lock-text{font-size:15px;letter-spacing:.1em}.course-lock-veil.is-trial{background:rgba(0,117,222,.12)}.course-lock-veil.is-trial .course-lock-badge{background:var(--color-primary);color:var(--color-on-primary)}.course-lock-veil.is-ended{background:rgba(40,39,38,.34)}.course-lock-veil.is-ended .course-lock-badge{background:#4a4744;color:#ffffff}.course-lock-veil.is-paid{background:rgba(29,122,61,.16)}.course-lock-veil.is-paid .course-lock-badge{background:var(--color-pass);color:var(--color-on-primary)}.course-lock-veil.is-vip{background:rgba(224,200,147,.26)}.course-lock-veil.is-vip .course-lock-badge{background:linear-gradient(135deg,#d9b063,#f0d79a 55%,#c79a45);border:1px solid #b8873a;color:#4a3610}.app-menu-locked{display:flex;align-items:center;gap:var(--space-xs);padding:10px 14px;font-size:14px;color:var(--color-ink-faint);cursor:default}.account-courses{display:flex;flex-direction:column;gap:2px;margin-top:var(--space-xs);padding-left:var(--space-sm);border-left:2px solid var(--color-hairline)}.account-course-no{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--color-hairline-soft);font-size:11px;font-weight:700;color:var(--color-ink-muted)}.history-table{width:100%;min-width:620px;border-collapse:collapse;font-size:13px}.history-table .col-no{padding-right:4px;text-align:right;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.history-table .col-course,.history-table .col-no{width:1%;white-space:nowrap}.history-row{cursor:pointer}@media (hover:hover){.history-row:hover{background:var(--color-surface-sunken)}}.hist-place{font-weight:600;color:var(--color-ink)}.hist-detail,.hist-place{display:block;font-size:13px;line-height:1.6}.hist-detail{margin-top:1px;color:var(--color-ink-secondary)}.hist-detail.zh{font-size:13px}.hist-tools{display:flex;flex-wrap:nowrap;align-items:center;gap:var(--space-xs);margin-bottom:var(--space-sm)}.hist-tool{display:inline-flex;align-items:center;gap:6px;font-size:13px}.hist-tool-label{color:var(--color-ink-muted);white-space:nowrap}.hist-tool select{min-width:0;max-width:100%;padding:6px 8px;border:1px solid var(--color-input-border);border-radius:var(--radius-sm);background:var(--color-surface);font:inherit;color:var(--color-ink)}.hist-head{display:flex;align-items:baseline;gap:var(--space-xs);margin-bottom:var(--space-sm)}.hist-head .section-title{margin:0}.hist-count{margin-left:auto;flex:none;font-size:12px;color:var(--color-ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.hist-hint{margin:0 0 10px;font-size:12px}.history-table td,.history-table th{padding:10px 12px;border-bottom:1px solid var(--color-hairline-soft);text-align:left;vertical-align:top}.history-table thead th{border-bottom:1px solid var(--color-hairline);font-size:12px;font-weight:700;color:var(--color-ink-muted);white-space:nowrap}.history-table .col-when{white-space:nowrap;width:1%}.hist-fb-list{margin:0;padding-left:1.1em;line-height:1.7}.hist-fb-list li+li{margin-top:4px}.liaoma-open{display:flex;flex-direction:column;gap:var(--space-sm)}.liaoma-steps{margin:0;padding-left:1.4em;font-size:14px;line-height:1.9}.liaoma-steps li+li{margin-top:6px}.liaoma-url-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-xs);margin:6px 0 2px}.liaoma-url{padding:4px 8px;background:var(--color-surface-sunken);border:1px solid var(--color-hairline);border-radius:var(--radius-sm);font-size:13px;-webkit-user-select:all;-moz-user-select:all;user-select:all}.liaoma-shot{margin:10px 0 0;max-width:320px}.flow-steps{list-style:none;margin:0;padding:0}.flow-step{background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);overflow:hidden}.flow-step.is-open{border-color:var(--color-primary-tint-line)}.flow-step.is-locked{background:var(--color-surface-sunken);border-style:dashed}.flow-step.is-locked .flow-step-head{cursor:default;color:var(--color-ink-faint)}.flow-step.is-locked .flow-step-no{background:var(--color-hairline-soft);color:var(--color-ink-faint)}.flow-step.is-done .flow-step-no{background:var(--color-pass-bg);border:1px solid var(--color-pass-line);color:var(--color-pass);font-size:16px;font-weight:700}.flow-step.is-done.is-open .flow-step-no{background:var(--color-pass);border-color:var(--color-pass);color:#ffffff}.flow-arrow{display:flex;justify-content:center;padding:6px 0;color:var(--color-ink-faint)}.flow-step-head{display:flex;align-items:center;gap:var(--space-sm);width:100%;padding:16px 18px;background:none;border:0;text-align:left;cursor:pointer;color:var(--color-ink);font:inherit}@media (hover:hover){.flow-step-head:not(:disabled):hover{background:var(--color-surface-sunken)}}.flow-step-no{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--color-primary-tint);color:var(--color-primary);font-size:18px;line-height:1}.flow-step.is-open .flow-step-no{background:var(--color-primary);color:var(--color-on-primary)}.flow-step-title{flex:1 1 auto;display:flex;flex-direction:column;gap:2px;font-size:15px;font-weight:700;line-height:1.5}.flow-step-label{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--color-ink-faint)}.flow-step-chev{flex-shrink:0;font-size:13px;color:var(--color-ink-faint)}.flow-step-body{padding:0 18px 18px;border-top:1px solid var(--color-hairline-soft);padding-top:var(--space-md);margin:0 18px;padding-left:0;padding-right:0}.flow-preparing{margin:0;font-size:14px;line-height:1.8}.flow-step-label{display:flex;align-items:center;gap:6px}.flow-step-done{padding:1px 6px;border-radius:var(--radius-sm);background:var(--color-pass-bg);border:1px solid var(--color-pass-line);color:var(--color-pass);font-size:10px;letter-spacing:0}.flow-step-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-sm);margin-top:var(--space-md)}.flow-step-note{margin:0;font-size:13px;line-height:1.7}.flow-step-note-box{line-height:1.9}.flow-step-note-box:last-child{margin-bottom:0}.flow-step-note-box p{margin:0}.liaoma-shot-pending{margin:8px 0 0;font-size:13px}.liaoma-addhome-lead{margin:0 0 var(--space-md);font-size:14px;line-height:1.9}.liaoma-addhome-title{margin:0 0 var(--space-xs);font-size:14px}.hist-facts{display:grid;grid-template-columns:max-content 1fr;grid-gap:8px var(--space-md);gap:8px var(--space-md);margin:0 0 var(--space-md);padding:var(--space-sm) var(--space-md);background:var(--color-surface-sunken);border:1px solid var(--color-hairline);border-radius:var(--radius-md);font-size:14px}.hist-facts>div{display:contents}.hist-facts dt{color:var(--color-ink-muted);white-space:nowrap}.hist-facts dd{margin:0;color:var(--color-ink)}.hist-section{margin-bottom:var(--space-md)}.hist-section-title{margin-bottom:6px;font-size:13px;font-weight:700;color:var(--color-ink-muted)}.hist-section .hist-audio{width:100%;max-width:360px}.history-table .col-status{width:1%;white-space:nowrap}.karte-courses{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.karte-courses li{display:flex;align-items:center;gap:var(--space-xs);padding:8px 0;border-bottom:1px solid var(--color-hairline-soft);font-size:14px}.karte-courses li:last-child{border-bottom:0}.karte-courses li.is-locked{color:var(--color-ink-faint)}.karte-course-mark{flex-shrink:0;width:20px;text-align:center;font-size:13px}.karte-courses li.is-open .karte-course-mark{color:var(--color-pass);font-weight:700}.app-menu-toggle{width:100%;white-space:nowrap;display:flex;align-items:center;gap:10px;padding:10px 12px;border:none;border-radius:8px;background:transparent;color:var(--color-ink);font-size:15px;font-weight:600;font-family:inherit;text-align:left;cursor:pointer}@media (hover:hover){.app-menu-toggle:hover{background:var(--color-canvas)}.app-menu-toggle:hover .app-menu-icon{color:var(--color-primary)}}.app-menu-row{display:flex;align-items:center}.app-menu-row-link{flex:1 1 auto;min-width:0}.app-menu-plus-btn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:none;border-radius:8px;background:transparent;cursor:pointer}@media (hover:hover){.app-menu-plus-btn:hover .app-menu-plus{border-color:var(--color-primary);color:var(--color-primary)}}.app-menu-plus{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:var(--radius-sm);background:var(--color-canvas);border:1px solid var(--color-hairline);color:var(--color-ink-muted);font-size:13px;font-weight:700;line-height:1}.app-menu-sub{list-style:none;margin:2px 0 4px 18px;padding-left:8px;border-left:2px solid var(--color-hairline);display:flex;flex-direction:column}.app-menu-sub .app-menu-locked,.app-menu-sub a{font-size:14px;padding:9px 10px}.app-menu-sep{height:1px;margin:6px 8px;background:var(--color-hairline)}.mono-form{gap:var(--space-lg)}.mono-form,.mono-q{display:flex;flex-direction:column}.mono-q,.mono-q-label{gap:var(--space-xs)}.mono-q-label{display:flex;align-items:baseline;font-size:15px;font-weight:700;line-height:1.6}.mono-req{flex:none;padding:1px 6px;border-radius:var(--radius-sm);background:var(--color-canvas);border:1px solid var(--color-hairline);font-size:11px;font-weight:700;white-space:nowrap}.mono-q-lead,.mono-req{color:var(--color-ink-muted)}.mono-q-lead{margin:0;font-size:13px}.mono-input{width:100%;padding:10px 12px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink);font-family:inherit;font-size:15px;line-height:1.7;resize:vertical}.mono-input:focus-visible{outline:2px solid var(--color-primary);outline-offset:1px}.mono-submit{align-self:flex-start}.mono-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-sm)}.mono-item{border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);padding:var(--space-sm) var(--space-md)}.mono-item-head{display:flex;align-items:center;gap:var(--space-xs);margin-bottom:var(--space-xs)}.mono-seq{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;padding:0 6px;border-radius:999px;background:var(--color-primary);color:#fff;font-size:12px;font-weight:700}.mono-date{font-size:12px;color:var(--color-ink-faint)}.mono-item-body{margin:0;display:grid;grid-template-columns:auto 1fr;grid-gap:4px var(--space-sm);gap:4px var(--space-sm);align-items:baseline}.mono-item-body dt{font-size:12px;font-weight:700;color:var(--color-ink-muted);white-space:nowrap}.mono-item-body dd{margin:0;font-size:14px;line-height:1.7;white-space:pre-wrap}@media (max-width:480px){.mono-item-body{grid-template-columns:1fr;gap:2px}.mono-item-body dd{margin-bottom:6px}}.mono-reviewed{padding:2px 8px;border-radius:var(--radius-sm);background:var(--color-canvas);border:1px solid var(--color-hairline);color:var(--color-ink-muted);font-size:12px;font-weight:700;white-space:nowrap}.mono-input::placeholder{color:var(--color-ink-faint);opacity:1}.mono-fb-head{display:flex;align-items:baseline;gap:var(--space-xs);flex-wrap:wrap;margin-bottom:var(--space-sm)}.mono-fb-title{font-size:15px;font-weight:700;color:var(--color-ink)}.mono-fb-main{border-left:3px solid var(--color-primary);background:var(--color-canvas);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:var(--space-sm) var(--space-md);margin-bottom:var(--space-sm)}.mono-fb-zh{margin:0 0 var(--space-xs);font-size:24px;font-weight:700;line-height:1.7}.mono-fb-ja{margin:0;padding-top:var(--space-xs);border-top:1px solid var(--color-hairline);font-size:14px;line-height:1.7;color:var(--color-ink-muted)}.mono-fb-sub{display:grid;grid-template-columns:1fr 1fr;grid-gap:var(--space-sm);gap:var(--space-sm)}@media (max-width:560px){.mono-fb-sub{grid-template-columns:1fr}}.mono-fb-cell{border:1px solid var(--color-hairline);border-radius:var(--radius-md);padding:var(--space-xs) var(--space-sm)}.mono-fb-cell p{margin:2px 0 0;font-size:14px;line-height:1.7;white-space:pre-wrap}.mono-fb-label{font-size:12px;font-weight:700;color:var(--color-ink-muted)}.mono-fb-edit{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--color-hairline)}.mono-fb-edit-label{display:block;margin-bottom:var(--space-xs);font-size:13px;font-weight:700;color:var(--color-ink)}.mono-fb-edit-foot{display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap;margin-top:var(--space-sm)}.mono-modal-foot{margin:0;padding-top:var(--space-md);border-top:1px solid var(--color-hairline);font-size:13px}.app-menu-action{width:100%;white-space:nowrap;display:flex;align-items:center;gap:10px;padding:10px 12px;border:none;border-radius:8px;background:transparent;color:var(--color-ink);font-size:15px;font-weight:600;font-family:inherit;text-align:left;cursor:pointer}@media (hover:hover){.app-menu-action:hover{background:var(--color-canvas)}}.app-menu-hot,.app-menu-hot .app-menu-icon{color:var(--color-accent-warm)}@media (hover:hover){.app-menu-hot:hover .app-menu-icon{color:var(--color-accent-warm)}}.mono-overlay{position:fixed;inset:0;z-index:60;background:rgba(20,20,19,.55);display:flex;align-items:flex-start;justify-content:center;padding:var(--space-md);overflow-y:auto;overscroll-behavior:contain}.mono-modal{margin:auto;width:100%;max-width:640px;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:0 18px 48px rgba(0,0,0,.28);overflow:hidden}.mono-modal-head,.mono-mode-head{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--color-hairline);background:var(--color-surface)}.mono-modal-title,.mono-mode-title{font-size:16px;font-weight:700}.mono-mode-close{margin-left:auto;width:34px;height:34px;flex:none;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink-muted);font-size:15px;line-height:1;cursor:pointer}@media (hover:hover){.mono-mode-close:hover{background:var(--color-canvas)}}.mono-modal-body,.mono-mode-body{padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-md)}.mono-modal-status{margin:0;font-size:15px;line-height:1.8}.mono-modal-lead{margin:0;font-size:13px;color:var(--color-ink-muted);line-height:1.8}.mono-modal-list{gap:var(--space-md)}.mono-list-rows,.mono-modal-list{display:flex;flex-direction:column}.mono-list-rows{list-style:none;margin:0;padding:0;gap:var(--space-xs)}.mono-row-btn{width:100%;display:flex;align-items:center;gap:var(--space-xs);padding:10px var(--space-sm);border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);font-family:inherit;text-align:left;cursor:pointer}@media (hover:hover){.mono-row-btn:hover{background:var(--color-canvas)}}.mono-row-btn.is-locked{background:var(--color-canvas);color:var(--color-ink-faint);cursor:default}.mono-row-btn.is-locked .mono-row-ja{color:var(--color-ink-faint);font-weight:500}.mono-row-no{flex:none;font-size:11px;font-weight:700;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.mono-row-ja{flex:1 1;min-width:0;font-size:14px;font-weight:600;color:var(--color-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mono-stage{flex:none;padding:2px 9px;border-radius:999px;border:1px solid var(--color-hairline);background:var(--color-canvas);color:var(--color-ink-muted);font-size:11px;font-weight:700;white-space:nowrap}.mono-stage-redo,.mono-stage-submit{background:var(--color-record);border-color:transparent;color:var(--color-on-primary)}.mono-stage-training{background:var(--color-primary);border-color:transparent;color:var(--color-on-primary)}.mono-detail-main{border-left:3px solid var(--color-primary);background:var(--color-canvas);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:var(--space-md)}.mono-detail-pinyin{margin:4px 0 var(--space-xs);font-size:15px;line-height:1.6;color:var(--color-ink-muted)}.mono-native{flex-direction:column}.mono-native,.mono-native-row{display:flex;gap:var(--space-xs)}.mono-native-row{flex-wrap:wrap;align-items:center}.mono-pause-btn{flex:none;width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--color-hairline);border-radius:999px;background:var(--color-surface);color:var(--color-ink);cursor:pointer}@media (hover:hover){.mono-pause-btn:hover{background:var(--color-canvas)}}.mono-speed{display:inline-flex;border:1px solid var(--color-hairline);border-radius:var(--radius-pill);overflow:hidden;background:var(--color-surface)}.mono-speed-btn{min-width:62px;padding:9px 12px;border:none;background:transparent;color:var(--color-ink-muted);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer}.mono-speed-btn.is-on{background:var(--color-canvas);color:var(--color-ink);font-weight:700}@media (hover:hover){.mono-speed-btn:hover{background:var(--color-canvas)}}.mono-native .alert{flex-basis:100%;margin:0}.mono-native audio{display:none}.mono-todo{border-top:1px solid var(--color-hairline);padding-top:var(--space-md);display:flex;flex-direction:column;align-items:flex-start;gap:var(--space-sm)}.mono-todo>.mono-btn{align-self:flex-start}.mono-todo>p{align-self:stretch}.mono-todo-label{font-weight:700}.mono-back,.mono-todo-label{font-size:13px;color:var(--color-ink-muted)}.mono-back{flex:none;padding:5px 10px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);font-weight:600;font-family:inherit;cursor:pointer}@media (hover:hover){.mono-back:hover{background:var(--color-canvas)}}.mono-card-actions{display:flex;flex-wrap:wrap;gap:var(--space-xs);margin-top:var(--space-sm)}.mono-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid transparent;border-radius:var(--radius-md);font-size:14px;font-weight:700;font-family:inherit;cursor:pointer}.mono-btn-rec{background:var(--color-record);color:var(--color-on-primary);padding:12px 22px;border-radius:var(--radius-pill);font-size:15px}@media (hover:hover){.mono-btn-rec:hover{background:var(--color-record-active)}}.mono-btn-read{background:var(--color-primary);color:var(--color-on-primary);padding:11px 18px;border-radius:var(--radius-pill)}.mono-btn-repro{background:var(--color-surface);border-color:var(--color-primary);color:var(--color-primary);padding:11px 18px;border-radius:var(--radius-pill)}.mono-btn-native{background:var(--color-primary);border-color:transparent;color:var(--color-on-primary);padding:11px 18px;border-radius:var(--radius-pill)}.mono-btn-native:disabled{opacity:.6;cursor:default}.mono-btn-off{background:var(--color-canvas);border-color:var(--color-hairline);color:var(--color-ink-faint);padding:11px 18px;border-radius:var(--radius-pill);cursor:default}.mono-card-comment{flex-basis:100%;margin:4px 0 0;font-size:13px;line-height:1.8}.mono-mode{position:fixed;inset:0;z-index:70;background:var(--color-surface);display:flex;flex-direction:column;overflow-y:auto}.mono-mode-lead{margin:0;font-size:14px;line-height:1.8}.mono-mode-target{border-left:3px solid var(--color-primary);background:var(--color-canvas);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:var(--space-md)}.mono-big{font-size:26px;line-height:1.6}.mono-hidden-zh{margin:0 0 var(--space-xs);font-size:26px;letter-spacing:6px;color:var(--color-ink-faint)}.mono-mode-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-xs)}.mono-mode-toggle{padding:7px 12px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink-muted);font-size:13px;font-weight:600;font-family:inherit;cursor:pointer}.mono-mode-toggle,.mono-rec-start,.mono-rec-stop{align-self:flex-start}.mono-rec-start,.mono-rec-stop{background:var(--color-record);border-color:transparent;color:var(--color-on-primary);border-radius:var(--radius-pill);min-height:56px;padding:14px 28px;font-size:17px}@media (hover:hover){.mono-rec-start:hover,.mono-rec-stop:hover{background:var(--color-record-active);color:var(--color-on-primary)}}.mono-audio{width:100%}.mono-mode-done{margin:0;font-size:18px;font-weight:700}.mono-mode-escape{align-self:flex-start;border:none;background:none;padding:0;color:var(--color-ink-faint);font-size:12px;font-family:inherit;text-decoration:underline;cursor:pointer}.mono-read-review{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--color-hairline);display:flex;flex-direction:column;gap:var(--space-xs)}.mono-student{padding:2px 8px;border-radius:var(--radius-sm);background:var(--color-primary);color:var(--color-on-primary);font-size:12px;font-weight:700;white-space:nowrap}.waiting-sub{margin-left:4px;font-size:11px;font-weight:600;opacity:.85}.mono-seq-tag{margin-left:6px;font-size:11px;font-weight:700;color:var(--color-ink-faint)}.mono-pager-range{margin-left:8px;font-size:12px;font-weight:400}.past-fb{margin:12px 0;padding:12px 14px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-canvas)}.past-fb-head{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:13px;font-weight:700;color:var(--color-ink-secondary)}.past-fb-count{font-size:12px;font-weight:400;color:var(--color-ink-muted)}.past-fb-note{margin:0;font-size:13px}.mono-seq-cell{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.mono-seq-cell,.read-badge{white-space:nowrap;color:var(--color-ink-muted)}.read-badge{display:inline-block;padding:1px 8px;border-radius:var(--radius-sm);border:1px solid var(--color-hairline);background:var(--color-canvas);font-size:11px;font-weight:700}.read-badge.read-pass{background:var(--color-pass-bg);border-color:var(--color-pass-line);color:var(--color-pass)}.read-badge.read-redo{background:var(--color-redo-bg);border-color:var(--color-redo-line);color:var(--color-redo)}.mono-pinyin-edit{margin-top:var(--space-sm)}.sub-tab-count{margin-left:6px;display:inline-flex;align-items:center;justify-content:center;min-width:20px;padding:0 6px;border-radius:999px;background:var(--color-hairline-soft,var(--color-canvas));color:var(--color-ink-faint);font-size:11px;font-weight:700}.sub-tab-count.is-mine{background:var(--color-primary);color:var(--color-on-primary)}.mono-pinyin-toggle{margin-top:var(--space-xs);padding:4px 10px;font-size:12px}.mono-hist-comment{margin:var(--space-xs) 0 0;font-size:13px;line-height:1.8}.mono-hist-edit{margin-top:var(--space-xs)}.mono-hist-edit,.mono-redo-note{display:flex;flex-direction:column;gap:var(--space-xs)}.mono-redo-comment{margin:0}.sub-history.is-bare{border:none;margin:0}.sub-history.is-bare,.sub-history.is-bare .sub-history-toggle{background:transparent;padding:0}.mono-submit-actions{margin-top:32px}.mono-modal-zh{margin:0;font-size:17px;font-weight:700;line-height:1.7}.tone-syllable{white-space:nowrap}.mono-count-btn{align-self:flex-start;background:var(--color-primary);border-color:transparent;color:var(--color-on-primary);border-radius:var(--radius-pill);min-height:56px;padding:14px 28px;font-size:17px}.hist-cards{display:none}@media (max-width:720px){.table-wrap:has(.history-table){display:none}.hist-cards{display:flex;flex-direction:column;gap:var(--space-xs);list-style:none;margin:0;padding:0}.hist-tool{min-width:0;flex:1 1}.hist-tool select{flex:1 1 auto;width:100%}}.hist-card{width:100%;display:flex;flex-direction:column;gap:4px;padding:10px var(--space-sm);border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);font-family:inherit;text-align:left;cursor:pointer}@media (hover:hover){.hist-card:hover{background:var(--color-canvas)}}.hist-card-head{display:flex;align-items:center;gap:var(--space-xs)}.hist-card-no{flex:none;font-size:11px;font-weight:700;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.hist-card-course{flex:1 1;min-width:0;font-size:12px;color:var(--color-ink-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hist-card-body{display:flex;flex-direction:column;gap:2px;font-size:14px;line-height:1.6;color:var(--color-ink)}.hist-card-body .hist-detail,.hist-card-body .hist-place{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hist-card-body .hist-place{font-size:12px;color:var(--color-ink-muted)}.hist-card-body .hist-detail{font-size:15px}.hist-card-date{font-size:11px;color:var(--color-ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.session-list{display:flex;flex-direction:column;gap:var(--space-sm)}.session-card{border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);padding:var(--space-sm)}.session-card.is-next{border-color:var(--color-primary-tint-line);background:var(--color-primary-tint)}.session-card.is-done{background:var(--color-surface-sunken)}.session-card.is-pending{background:var(--color-canvas);border-color:var(--color-hairline-soft)}.session-card.is-pending .session-no{color:var(--color-ink-muted);font-weight:500}.session-card-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}.session-no{font-weight:700;font-size:15px}.session-progress{font-size:12px;color:var(--color-ink-faint)}.session-next-tag,.session-status{padding:1px 8px;border-radius:var(--radius-sm);font-size:12px;font-weight:700;border:1px solid transparent}.session-next-tag{color:var(--color-primary);background:var(--color-surface);border-color:var(--color-primary-tint-line)}.session-status{color:var(--color-waiting);background:var(--color-waiting-bg);border-color:var(--color-waiting-line)}.session-status.is-done{color:var(--color-pass);background:var(--color-pass-bg);border-color:var(--color-pass-line)}.btn-complete{background:var(--color-pass);border-color:var(--color-pass)}.btn-complete:hover:not(:disabled){background:#17632f;border-color:#17632f}.session-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.session-date{font-size:15px;font-weight:500;margin-bottom:8px}.session-join{display:inline-flex;flex-direction:column;align-items:center;gap:2px;line-height:1.35;text-decoration:none}.session-join-note{font-size:12px;font-weight:400;opacity:.9}.session-card-open{display:block;width:100%;padding:0;border:0;background:none;font:inherit;color:inherit;text-align:left;cursor:pointer}.session-card-open:hover .session-more{text-decoration:underline}.session-more{display:block;margin-top:6px;font-size:13px;color:var(--color-primary)}.session-card-open+.session-join{margin-top:10px}.focus-buttons{display:flex;flex-direction:column;gap:8px}.focus-button{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;align-items:center;grid-gap:0 10px;gap:0 10px;padding:10px 12px;border:1px solid var(--color-primary-tint-line);border-radius:var(--radius-md);background:var(--color-primary-tint);text-decoration:none;color:var(--color-ink)}.focus-button:hover{border-color:var(--color-primary)}.focus-button-course{grid-column:1;font-size:12px;color:var(--color-ink-muted)}.focus-button-place{grid-column:1;font-weight:700;line-height:1.5}.focus-button-go{grid-column:2;grid-row:1/span 2;font-size:18px;color:var(--color-primary)}.focus-toggle{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;margin-top:4px;padding:7px 10px;border:1px solid var(--color-input-border);border-radius:var(--radius-md);background:var(--color-surface);font:inherit;text-align:left;cursor:pointer}.focus-toggle-text{flex:1 1 auto;min-width:0}.focus-list{margin:6px 0 0;padding:8px 10px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface-sunken)}.focus-course+.focus-course{margin-top:4px;padding-top:4px;border-top:1px solid var(--color-hairline-soft)}.focus-course-head{display:flex;align-items:center;gap:8px;width:100%;padding:6px 4px;border:0;background:none;font:inherit;font-weight:700;text-align:left;cursor:pointer}.focus-count{padding:0 7px;border-radius:999px;background:var(--color-primary);color:#fff;font-size:11px;font-weight:700}.focus-targets{margin:0 0 6px;padding:0 0 0 4px;list-style:none;max-height:260px;overflow-y:auto}.focus-targets li+li{margin-top:2px}.focus-depth-0{font-weight:700}.focus-depth-1{padding-left:14px;font-weight:500}.focus-depth-2{padding-left:30px;font-size:13px;color:var(--color-ink-secondary)}.focus-item{display:flex;align-items:flex-start;gap:8px;line-height:1.5;cursor:pointer}.focus-item input{margin-top:3px;flex:0 0 auto}.session-action{margin-top:10px;padding-top:10px;border-top:1px solid var(--color-hairline-soft)}.session-action-label{font-size:12px;font-weight:700;color:var(--color-ink-secondary);margin-bottom:4px}.session-action-body{margin:0;line-height:1.7;white-space:pre-wrap}.session-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}.session-row-block{display:block}.session-label{flex:0 0 auto;min-width:7.5em;font-size:13px;font-weight:700;color:var(--color-ink-secondary)}.session-input{flex:0 1 auto;min-width:0;padding:7px 10px;border:1px solid var(--color-input-border);border-radius:var(--radius-md);font:inherit;background:var(--color-surface)}.session-input-wide{flex:1 1 260px}.session-hint{font-size:12px;color:var(--color-ink-faint)}.session-textarea{width:100%;margin-top:4px;padding:7px 10px;border:1px solid var(--color-input-border);border-radius:var(--radius-md);font:inherit;line-height:1.7;background:var(--color-surface);resize:vertical}@media (max-width:520px){.session-row{display:block}.session-label{display:block;margin-bottom:4px}.session-input,.session-input-wide{width:100%}.session-hint{display:block;margin-top:4px}}.pmap-list{display:flex;flex-direction:column;gap:10px}.pmap-row{display:block;width:100%;padding:10px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface);font:inherit;color:inherit;text-align:left;cursor:pointer}@media (hover:hover){.pmap-row:hover{border-color:var(--color-primary)}}.pmap-row-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:8px}.pmap-title{font-weight:700;font-size:15px}.pmap-num{flex:0 0 auto;font-size:14px;font-weight:700}.pmap-bar{display:flex;gap:3px}.pmap-cell{flex:1 1;height:10px;border-radius:2px;background:var(--color-hairline)}.pmap-cell.is-on{background:var(--color-primary)}.pmap-cleared{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px;padding-top:10px;border-top:1px solid var(--color-hairline-soft)}.pmap-cleared-label{font-size:12px;font-weight:700;color:var(--color-ink-muted)}.pmap-cleared-item{padding:3px 10px;border:1px solid var(--color-pass-line);border-radius:999px;background:var(--color-pass-bg);color:var(--color-pass);font:inherit;font-size:13px;font-weight:700;cursor:pointer}.pmap-big{text-align:center;margin-bottom:4px}.pmap-big-num{display:block;font-size:40px;font-weight:700;line-height:1.1;color:var(--color-primary)}.pmap-big-unit{font-size:18px;margin-left:2px}.pmap-big-sub{font-size:13px;color:var(--color-ink-muted)}.pmap-parts{list-style:none;margin:0;padding:0}.pmap-parts li+li{border-top:1px solid var(--color-hairline-soft)}.pmap-part-row{display:grid;grid-template-columns:1fr;grid-gap:4px;gap:4px;padding:8px 0}a.pmap-part-row{color:inherit;text-decoration:none}@media (hover:hover){a.pmap-part-row:hover .pmap-part-label{color:var(--color-primary)}}.pmap-part-label{font-size:14px}.pmap-part-go{margin-left:6px;font-weight:700;color:var(--color-primary)}.pmap-part-num{font-size:13px;font-weight:700;text-align:right}.week-head{display:flex;align-items:center;gap:8px}.week-title{margin:0;flex:1 1 auto}.week-count{font-size:15px;font-weight:700}.week-cells{display:flex;gap:6px;margin-top:12px}.week-cell-btn{flex:1 1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:4px 0;border:0;border-radius:var(--radius-sm);background:none;font:inherit;cursor:pointer}.week-cell-btn.is-open{background:var(--color-primary-tint)}.week-cell{display:flex;align-items:center;justify-content:center;width:100%;height:32px;border-radius:var(--radius-sm);background:var(--color-canvas);border:1px solid var(--color-hairline)}.week-cell.is-on{background:var(--color-primary);border-color:var(--color-primary)}.week-cell-num{font-size:12px;font-weight:700;color:#fff}.week-date,.week-wd{font-size:11px;color:var(--color-ink-faint)}.week-date{line-height:1.2;white-space:nowrap}.week-cell-btn.is-open .week-wd{color:var(--color-primary);font-weight:700}.week-streak{margin:10px 0 0;font-size:13px;font-weight:700;color:var(--color-ink-secondary)}.week-detail{margin-top:12px;padding-top:12px;border-top:1px solid var(--color-hairline-soft)}.week-detail-title{font-size:13px;font-weight:700;margin-bottom:8px}.day-log{list-style:none;margin:0;padding:0}.day-log-row{display:flex;align-items:flex-start;gap:8px;padding:6px 0;line-height:1.6}.day-log-row+.day-log-row{border-top:1px solid var(--color-hairline-soft)}.day-kind{flex:0 0 auto;min-width:3.6em;text-align:center;padding:1px 6px;border-radius:var(--radius-sm);border:1px solid transparent;font-size:11px;font-weight:700}.day-log-text{flex:1 1 auto;min-width:0;font-size:14px}.day-kind.is-pass{color:var(--color-pass);background:var(--color-pass-bg);border-color:var(--color-pass-line)}.day-kind.is-redo{color:var(--color-redo);background:var(--color-redo-bg);border-color:var(--color-redo-line)}.day-kind.is-submit{color:var(--color-primary);background:var(--color-primary-tint);border-color:var(--color-primary-tint-line)}.day-kind.is-practice,.day-kind.is-quiz,.day-kind.is-read,.day-kind.is-speak{color:var(--color-ink-muted);background:var(--color-canvas);border-color:var(--color-hairline)}.week-range{margin:4px 0 0;font-size:13px;color:var(--color-ink-muted)}.week-nav{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid var(--color-hairline-soft)}.week-nav-now{font-size:13px;font-weight:700;color:var(--color-ink-muted)}.week-nav .btn-secondary,.week-nav-back{white-space:nowrap}.week-nav-back{padding:4px 12px;border:1px solid var(--color-primary-tint-line);border-radius:999px;background:var(--color-primary-tint);color:var(--color-primary);font:inherit;font-size:13px;font-weight:700;cursor:pointer}.growth-grid{margin-top:6px;padding:10px;border:1px solid var(--color-hairline);border-radius:var(--radius-md);background:var(--color-surface-sunken)}.growth-row{display:grid;grid-template-columns:6em 1fr 2em;align-items:center;grid-gap:10px;gap:10px;padding:4px 0}.growth-label{font-size:13px;font-weight:700}.growth-range{width:100%;accent-color:var(--color-primary)}.growth-num{font-size:14px;font-weight:700;text-align:right}.growth-note{margin:6px 0 0;font-size:12px}.radar-head{display:flex;justify-content:flex-start;margin:-10px 0 6px -10px}.radar-switch{display:flex;gap:2px;padding:2px;border:1px solid var(--color-hairline);border-radius:999px;background:var(--color-canvas)}.radar-tab{padding:4px 12px;border:0;border-radius:999px;background:none;font:inherit;font-size:12px;font-weight:700;color:var(--color-ink-muted);cursor:pointer}.radar-tab.is-on{background:var(--color-primary);color:#fff}.radar-wrap{display:flex;justify-content:center;margin:0 calc(var(--space-lg) * -1) -12px}.radar-svg{width:100%;max-width:460px;height:auto}.radar-axis-num{font-size:13px;font-weight:700;fill:var(--color-primary)}.radar-ring{fill:none}.radar-ring,.radar-spoke{stroke:var(--color-hairline);stroke-width:1}.radar-main{fill:rgba(0,117,222,.18);stroke:var(--color-primary);stroke-width:2;stroke-linejoin:round}.radar-ghost{fill:none;stroke:var(--color-ink-faint);stroke-width:1.5;stroke-dasharray:4 3;stroke-linejoin:round}.radar-axis{font-size:16px;font-weight:700;fill:var(--color-ink)}.radar-axis.is-tappable{cursor:pointer}@media (hover:hover){.radar-axis.is-tappable:hover{fill:var(--color-primary)}}.radar-empty{margin:16px 0;text-align:center;font-size:13px;line-height:1.8}.radar-ghost-note{margin:10px 0 0;font-size:12px}.submit-group{padding:0;overflow:hidden}.submit-group-note{margin:0;padding:16px;font-size:13px;line-height:1.7}.submit-scene-title{margin:0;padding:14px 16px 12px;font-size:15px;font-weight:700;line-height:1.5;color:var(--color-primary)}.submit-scene-head,.submit-scene-title{border-bottom:1px solid var(--color-hairline)}.submit-scene-head{display:flex;align-items:center;gap:10px;padding:10px 16px}.submit-scene-pick{position:relative;flex:1 1 auto;display:inline-flex;align-items:center;min-width:0}.submit-scene-pick select{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:100%;min-height:34px;padding:5px 28px 5px 10px;border:1px solid var(--color-hairline);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-primary);font:inherit;font-size:15px;font-weight:700;line-height:1.4;text-overflow:ellipsis;cursor:pointer}.submit-scene-pick select:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.submit-scene-caret{position:absolute;right:11px;font-size:11px;color:var(--color-ink-faint);pointer-events:none}.submit-scene-count{flex:0 0 auto;font-size:12px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--color-ink-faint)}.submit-rows{list-style:none;margin:0;padding:0}.submit-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:12px 16px;border-top:1px solid var(--color-hairline)}.submit-row-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.submit-rows>.submit-row:first-child{border-top:none}.submit-row-main{display:flex;align-items:baseline;gap:10px;flex:1 1 150px;min-width:0;color:inherit}.submit-row-no{flex:none;font-size:12px;font-weight:700;color:var(--color-ink-faint)}.submit-row-sentence{font-size:16px;line-height:1.5;color:var(--color-ink)}.btn-record-small{flex:none;min-height:38px;padding:8px 14px;border-radius:var(--radius-pill);background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line);color:var(--color-primary);font-family:inherit;font-size:13px;font-weight:700;cursor:pointer}@media (hover:hover){.btn-record-small:hover{border-color:var(--color-primary)}}.submit-modal{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center;background:rgba(0,0,0,.45);padding:0}.submit-modal-inner{width:min(560px,100%);max-height:92vh;overflow-y:auto;padding:16px 20px 28px;background:var(--color-surface);border-radius:var(--radius-lg) var(--radius-lg) 0 0}.submit-modal-head{display:flex;align-items:center;margin-bottom:10px}.submit-modal-close{margin-left:auto;width:36px;height:36px;background:none;border:0;font-size:22px;line-height:1;color:var(--color-ink-muted);cursor:pointer}.submit-modal-sentence{margin:0 0 6px;font-size:22px;line-height:1.6;color:var(--color-ink)}.submit-modal-py{margin:0 0 4px;font-size:14px;color:var(--color-ink-muted)}.submit-modal-ja{margin:0 0 12px;font-size:13px}.submit-modal-actions{display:flex;flex-direction:column;gap:10px;margin-top:14px}.submit-modal-len{margin:-2px 0 0;font-size:12px;text-align:center}.submit-modal-audio{width:100%}.submit-modal-audio+.submit-modal-send{margin-top:18px}.submit-modal-foot{margin:26px 0 0;font-size:12px}.submit-head{display:flex;align-items:center;gap:10px;margin:0 0 20px}.submit-head-title{margin:0;flex:1 1 auto;min-width:0}.submit-course-pick{position:relative;flex:0 0 auto;display:inline-flex;align-items:center}.submit-course-pick select{-moz-appearance:none;appearance:none;-webkit-appearance:none;min-height:32px;max-width:40vw;padding:5px 24px 5px 10px;border:1px solid var(--color-hairline);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-ink-secondary);font:inherit;font-size:12px;font-weight:600;text-overflow:ellipsis;cursor:pointer}.submit-course-pick select:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.submit-course-caret{position:absolute;right:10px;font-size:11px;color:var(--color-ink-faint);pointer-events:none}.app-menu-count{margin-left:auto;padding:1px 7px;border-radius:var(--radius-sm);background:var(--color-redo-bg);border:1px solid var(--color-redo-line);color:var(--color-redo);font-size:11px;font-weight:700;white-space:nowrap}.app-menu-count.is-ready{background:var(--color-waiting-bg);border-color:var(--color-waiting-line);color:var(--color-ink-muted)}.submit-tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;gap:5px}.submit-tabs::-webkit-scrollbar{display:none}.submit-tabs .list-tab{flex:0 0 auto;gap:4px;padding:6px 8px;font-size:13px}.submit-tabs .list-tab-count{min-width:18px;height:18px;padding:0 5px;font-size:11px}.submit-pager{display:flex;align-items:center;justify-content:center;gap:14px;margin:14px 0 4px}.submit-pager-count{font-family:var(--font-pinyin);font-size:14px;font-weight:700;color:var(--color-ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.submit-modal-tone-label{margin:0 0 2px;font-size:17px;font-weight:700;color:var(--color-ink)}.btn-record-small.is-quiet{background:var(--color-surface);border-color:var(--color-hairline);color:var(--color-ink-muted)}@media (hover:hover){.btn-record-small.is-quiet:hover{border-color:var(--color-ink-faint)}}.submit-history-loading{margin:14px 0 0;font-size:13px}.submit-history-body{margin-top:12px}.study-actions{display:flex;flex-direction:column;gap:var(--space-xs);padding-top:var(--space-lg);border-top:1px solid var(--color-hairline)}.study-btn,.study-sheet-item{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);width:100%;min-height:52px;padding:12px var(--space-md);background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-md);color:var(--color-ink);font-size:16px;font-weight:600;font-family:inherit;text-align:left;cursor:pointer}.study-btn:hover,.study-sheet-item:hover:not(:disabled){border-color:var(--color-ink-faint)}.study-btn:focus-visible,.study-sheet-item:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.study-sheet-item:disabled{color:var(--color-ink-faint);cursor:default}.study-btn-go{color:var(--color-ink-faint);font-size:22px;line-height:1}.study-btn-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:var(--radius-sm);font-size:13px;font-weight:700;white-space:nowrap}.study-btn-tag.is-done{background:var(--color-pass-bg);border:1px solid var(--color-pass-line);color:var(--color-pass)}.study-btn-tag.is-count{background:var(--color-primary-tint);border:1px solid var(--color-primary-tint-line);color:var(--color-primary-active)}.study-btn-tag.is-muted{background:var(--color-waiting-bg);border:1px solid var(--color-waiting-line);color:var(--color-waiting)}.study-overlay{position:fixed;inset:0;z-index:950;display:flex;align-items:flex-end;justify-content:center;background:rgba(26,26,25,.5);overscroll-behavior:contain}.study-sheet{width:100%;max-width:560px;max-height:85vh;overflow-y:auto;overscroll-behavior:contain;background:var(--color-surface);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding-bottom:env(safe-area-inset-bottom,0);box-shadow:var(--shadow-2)}@media (min-width:640px){.study-overlay{align-items:center;padding:var(--space-md)}.study-sheet{border-radius:var(--radius-xl)}}.study-sheet-head{position:-webkit-sticky;position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--color-surface);border-bottom:1px solid var(--color-hairline)}.study-sheet-title{margin:0;font-size:17px;font-weight:700;color:var(--color-ink)}.study-sheet-close{width:40px;height:40px;border:none;border-radius:var(--radius-md);background:transparent;color:var(--color-ink-muted);font-size:24px;line-height:1;cursor:pointer}.study-sheet-close:hover{background:var(--color-canvas)}.study-sheet-body{padding:var(--space-md)}.study-sheet-body .reading-check{margin-top:var(--space-lg)}.study-sheet-list{display:flex;flex-direction:column;gap:var(--space-xs);margin:0;padding:0;list-style:none}.study-sheet-go{color:var(--color-primary);font-size:14px}.study-sheet-note{margin:var(--space-md) 0 0;font-size:14px;line-height:1.7;color:var(--color-ink-muted)}.study-sheet-lead{margin:0 0 var(--space-sm);font-size:15px;font-weight:600;color:var(--color-ink)}.study-sheet-message{margin:var(--space-xs) 0 var(--space-md);font-size:15px;line-height:1.7;color:var(--color-ink-muted)}.study-btn-tag.is-off{background:transparent;border:1px solid var(--color-hairline);color:var(--color-ink-faint);font-weight:600}.pmap-part-row.is-sub .pmap-part-label{padding-left:16px;font-size:13px;color:var(--color-ink-muted)}.pmap-part-row.is-sub .pmap-bar{margin-left:16px}.exp-body{display:grid;grid-gap:var(--space-sm);gap:var(--space-sm)}.exp-body .illust,.exp-body>*{margin:0}.exp-heading{font-family:var(--font-mixed);font-size:15px;font-weight:700;line-height:1.6;color:var(--color-ink);margin-top:var(--space-xxs)}.exp-heading .mk-yellow{-webkit-box-decoration-break:clone;box-decoration-break:clone}.exp-heading.is-sub{font-size:15px;font-weight:600;color:var(--color-ink-secondary);margin-top:0}.exp-body>.exp-heading:not(:first-child){margin-top:1.6em}.exp-body>.exp-heading.is-sub:not(:first-child),.exp-body>.illust+.exp-list,.exp-body>.illust+.exp-table-wrap,.exp-body>.illust+.explanation-body{margin-top:.8em}.exp-table-wrap{overflow-x:auto}.exp-box{display:grid;grid-gap:8px;gap:8px}.exp-box.is-compare{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.exp-body>.exp-box{margin-block:.4em}.exp-card{background:var(--color-surface-sunken);border:1px solid var(--color-hairline);border-radius:10px;padding:12px 14px}.exp-card-term{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 8px;margin:0 0 4px}.exp-card-term .zh{font-size:18px;font-weight:600;line-height:1.5;color:var(--color-ink)}.exp-card-term .pinyin{font-size:14px;color:var(--color-ink-muted)}.exp-card-term .exp-card-head{font-family:var(--font-mixed);font-size:17px;font-weight:700;line-height:1.6;color:var(--color-ink)}.exp-card-term .exp-card-head .zh{font-size:18px}.exp-card-term .exp-card-head .pinyin{font-size:16px;font-weight:600;color:var(--color-ink)}.exp-card-title{margin:0 0 4px;font-family:var(--font-mixed);font-size:15px;font-weight:700;line-height:1.7;color:var(--color-ink)}.exp-card-label{display:inline-block;min-width:1.8em;margin-right:8px;padding:0 7px;border:1px solid var(--color-hairline);border-radius:6px;background:var(--color-surface);font-size:13px;font-weight:700;text-align:center}.exp-card-label,.exp-card-text{line-height:1.7;color:var(--color-ink-secondary)}.exp-card-text{margin:0;font-family:var(--font-mixed);font-size:15px}.exp-card-text.is-arrow{color:var(--color-ink-muted)}.exp-card-text.is-tag{margin-bottom:2px;font-size:14px;font-weight:700;color:var(--color-ink)}.exp-card-text.is-result{margin-top:2px;font-size:16px;font-weight:700;color:var(--color-ink)}.exp-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--color-surface-sunken);border:1px solid var(--color-hairline);border-radius:10px;overflow:hidden}.exp-table td,.exp-table th{padding:9px 10px;text-align:left;vertical-align:top;border-top:1px solid var(--color-hairline-soft)}.exp-table tr:first-child td,.exp-table tr:first-child th{border-top:none}.exp-table th{width:1%;font-weight:400;padding-right:18px}.exp-zh{font-size:17px;line-height:1.5;color:var(--color-ink)}.exp-py,.exp-zh{display:block;white-space:nowrap}.exp-py{font-size:14px;line-height:1.4;color:var(--color-ink-muted)}.exp-table.is-fit{width:auto;min-width:min(100%,240px)}.exp-table.is-fit th{width:auto}.exp-table.is-fit td{padding-right:20px}.exp-table.is-stacked tr{display:block;border-top:1px solid var(--color-hairline-soft)}.exp-table.is-stacked tr:first-child{border-top:none}.exp-table.is-stacked td,.exp-table.is-stacked th{display:block;width:auto;border-top:none;padding-right:12px}.exp-table.is-stacked th{padding-bottom:2px}.exp-table.is-stacked td{padding-top:0}.exp-table.is-stacked .exp-py,.exp-table.is-stacked .exp-zh{white-space:normal}.exp-table td{white-space:pre-line;font-size:15px;line-height:1.7}.exp-list,.exp-table td{font-family:var(--font-mixed);color:var(--color-ink-secondary)}.exp-list{display:grid;grid-gap:2px;gap:2px;padding-left:1.3em;font-size:16px;line-height:1.8}.exp-list li::marker{color:var(--color-ink-faint)}.audio-note,.detail,.detail-gloss,.detail-head,.detail-pinyin,.detail-sentence,.detail-translation,.exp-body,.exp-card,.exp-card-text,.exp-heading,.exp-list,.exp-table-wrap,.explanation-body,.page-title,.practice-guide,.practice-modal-label,.practice-set,.practice-small-notice,.study-actions,.study-btn,.study-btn-label{text-size-adjust:100%;max-height:999999px}.audio-note{margin:6px 0 0;padding:10px 12px;border:1px solid var(--color-redo-line);border-radius:10px;background:var(--color-redo-bg);color:var(--color-ink-secondary);font-family:var(--font-mixed);font-size:14px;line-height:1.75;text-align:left}.audio-note:before{content:"！";display:inline-grid;place-items:center;width:18px;height:18px;margin-right:6px;border-radius:50%;background:var(--color-redo);color:#ffffff;font-size:12px;font-weight:700;vertical-align:1px}.study-sheet-list .audio-note{margin:6px 0 2px}