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.reading-lesson-card:hover{background:var(--surface-soft)!important;box-shadow:var(--shadow-md)!important;border-color:#34d39959!important}html[data-theme=dark] .reading-practice-passage,html[data-theme=dark] .reading-practice-questions{border:1px solid var(--line)!important;background:var(--surface)!important;box-shadow:var(--shadow-md)!important}html[data-theme=dark] .reading-practice-section-heading{border-bottom-color:var(--line)!important;color:var(--ink-soft)!important;background:var(--surface-soft)!important}html[data-theme=dark] .reading-practice-title-row h1{color:#fff!important}html[data-theme=dark] .reading-practice-title-row p{color:var(--muted)!important}html[data-theme=dark] .reading-practice-title-row>svg{color:var(--jade)!important;background:#34d3991f!important}html[data-theme=dark] .reading-practice-copy{color:var(--ink)!important}html[data-theme=dark] .reading-practice-copy,html[data-theme=dark] .reading-practice-support{border:1px solid var(--line)!important;background:var(--surface-soft)!important}html[data-theme=dark] .reading-practice-support p{color:var(--ink-soft)!important}html[data-theme=dark] .reading-practice-support .reading-practice-pinyin{color:var(--jade)!important}html[data-theme=dark] .reading-practice-options>button{border:1px solid var(--line)!important;color:var(--ink-soft)!important;background:var(--surface-soft)!important}html[data-theme=dark] .reading-practice-options>button:hover,html[data-theme=dark] .reading-practice-options>button[aria-pressed=true]{border-color:var(--jade)!important;color:#fff!important;background:var(--surface-raised)!important}html[data-theme=dark] .reading-practice-options>button>span{color:var(--jade)!important;background:#34d3991f!important}html[data-theme=dark] .reading-source-page-list{border:1px solid var(--line)!important;background:var(--surface)!important;box-shadow:var(--shadow-md)!important}html[data-theme=dark] .reading-source-page-list>div{border-bottom-color:var(--line)!important}html[data-theme=dark] .reading-source-page-list>div strong{color:#fff!important}html[data-theme=dark] .reading-source-page-list button{color:var(--ink-soft)!important}html[data-theme=dark] .reading-source-page-list button:hover{background:var(--surface-soft)!important;color:var(--ink)!important}html[data-theme=dark] .reading-source-page-list button[aria-current=page]{color:var(--jade)!important;background:#34d3991f!important}html[data-theme=dark] .reading-source-pages{border:1px solid var(--line)!important;background:var(--surface-soft)!important;box-shadow:none!important}html[data-theme=dark] .reading-source-page{border:1px solid var(--line-strong)!important;background:var(--surface)!important;box-shadow:var(--shadow-md)!important}html[data-theme=dark] .reading-source-page 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.reading-library-toolbar strong{color:#fff!important}html[data-theme=dark] .progress-hero-card{border:1px solid var(--line-strong)!important;background:var(--surface)!important;box-shadow:var(--shadow-md)!important}html[data-theme=dark] .progress-hero-card h2{color:#fff!important}html[data-theme=dark] .progress-metrics article{border:1px solid var(--line)!important;background:var(--surface-soft)!important}html[data-theme=dark] .progress-metrics strong{color:#fff!important}html[data-theme=dark] .lesson-progress-card{border:1px solid var(--line)!important;background:var(--surface)!important}html[data-theme=dark] :is(.placement-start-card,.placement-test-shell,.placement-result-hero,.placement-band-card,.placement-review){border:1px solid var(--line)!important;background:var(--surface)!important;box-shadow:var(--shadow-md)!important}html[data-theme=dark] .placement-start-facts span{color:var(--ink-soft)!important}html[data-theme=dark] .placement-section-nav button,html[data-theme=dark] .placement-section-preview article,html[data-theme=dark] .placement-start-facts span{border:1px solid var(--line)!important;background:var(--surface-soft)!important}html[data-theme=dark] .placement-section-nav button.is-active{background:#34d3991f!important}html[data-theme=dark] .placement-section-nav button.is-active strong{color:var(--jade)!important}html[data-theme=dark] .radical-analysis{border:1px solid var(--line)!important;background:var(--surface)!important}html[data-theme=dark] .radical-analysis-icon{color:var(--jade)!important;background:#34d3991f!important}html[data-theme=dark] .empty-state{border:1px dashed var(--line-strong)!important;background:var(--surface-soft)!important}html[data-theme=dark] .meaning-language-control,html[data-theme=dark] .vocab-filter{border:1px solid var(--line-strong)!important;color:var(--ink-soft)!important;background:var(--surface)!important}html[data-theme=dark] 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.meaning{color:var(--ink-soft)!important}html[data-theme=dark] .vocab-pronunciation-button{border:1px solid var(--line)!important;color:var(--jade)!important;background:var(--surface-soft)!important}html[data-theme=dark] .exercise-shell--fill-blank{border:1px solid var(--line)!important;background:var(--surface)!important;box-shadow:var(--shadow-md)!important}html[data-theme=dark] :is(.lesson-skeleton-heading,.lesson-skeleton-panel){border:1px solid var(--line)!important;background:var(--surface)!important}html[data-theme=dark] .flashcard-face{border-color:var(--line)!important;background:var(--surface)!important;color:var(--ink)!important;box-shadow:0 20px 50px #0006!important}html[data-theme=dark] .flashcard-face.is-back{background:var(--surface-soft)!important}html[data-theme=dark] .flashcard-mastery-controls>.flashcard-undo,html[data-theme=dark] .flashcard-navigation>button{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] .flashcard-mastery-controls>.flashcard-undo:hover:not(:disabled),html[data-theme=dark] .flashcard-navigation>button:hover:not(:disabled){background:var(--surface-raised)!important;border-color:var(--jade)!important;color:var(--jade)!important}html[data-theme=dark] .icon-button{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--jade)!important}html[data-theme=dark] .icon-button:hover{background:var(--surface-raised)!important;border-color:var(--jade)!important}html[data-theme=dark] .flashcard-note-dialog{background:var(--surface)!important;border-color:var(--line-strong)!important;color:var(--ink)!important;box-shadow:var(--shadow-lg)!important}html[data-theme=dark] .flashcard-note-dialog header button{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink-soft)!important}html[data-theme=dark] .flashcard-note-dialog textarea{background:var(--surface-soft)!important;border-color:var(--line-strong)!important;color:#fff!important}html[data-theme=dark] .reading-dialogue-flashcard-face{background:var(--surface)!important;border-color:var(--line)!important;color:var(--ink)!important;box-shadow:var(--shadow-sm)!important}html[data-theme=dark] .reading-dialogue-flashcard-face.is-back{background:var(--surface-soft)!important}html[data-theme=dark] .reading-dialogue-word-bank button{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--jade)!important}html[data-theme=dark] .reading-dialogue-word-bank button strong{color:#fff!important}html[data-theme=dark] .reading-dialogue-word-bank button:hover:not(:disabled){background:var(--surface-raised)!important;border-color:var(--jade)!important}html[data-theme=dark] .reading-dialogue-fill-lines>div{background:var(--surface-soft)!important;border-color:var(--line)!important}html[data-theme=dark] .reading-dialogue-vocabulary-table{background:var(--surface)!important;border-color:var(--line)!important}html[data-theme=dark] :is(.exam-document-panel,.exam-answer-panel){background:var(--surface)!important;border-color:var(--line)!important;box-shadow:var(--shadow-sm)!important}html[data-theme=dark] .exam-answer-heading,html[data-theme=dark] .exam-document-panel>header{border-bottom-color:var(--line)!important;color:#fff!important}html[data-theme=dark] .exam-audio-player{background:var(--surface-soft)!important;border-bottom-color:var(--line)!important}html[data-theme=dark] .exam-question-row{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] .exam-question-row input,html[data-theme=dark] .exam-question-row textarea{color:#fff!important}html[data-theme=dark] .exam-choice-row 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.exam-score-banner.is-pass{color:#6ee7b7!important;background:#34d3991f!important;border-color:#34d3994d!important}html[data-theme=dark] .exam-score-banner>span{background:var(--surface-raised)!important}html[data-theme=dark] .exam-score-inputs label{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] .exam-score-inputs input{background:var(--surface)!important;border-color:var(--line-strong)!important;color:#fff!important}html[data-theme=dark] .exam-history-list article{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] .exam-answer-key-panel>header a,html[data-theme=dark] .exam-history-panel>header button{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--jade)!important}html[data-theme=dark] .exam-resume-banner{background:var(--surface)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] .exam-resume-banner>span{background:var(--surface-soft)!important;color:var(--jade)!important}html[data-theme=dark] .exam-exit-button{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] :is(.exam-live-question-card,.exam-live-navigator,.exam-review-panel){background:var(--surface)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] .exam-live-question-card>header>button{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink-soft)!important}html[data-theme=dark] .exam-live-options>button>span{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] .exam-submit-dialog{background:var(--surface)!important;border-color:var(--line-strong)!important;color:var(--ink)!important;box-shadow:var(--shadow-lg)!important}html[data-theme=dark] .exam-auto-score-grid article{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink)!important}html[data-theme=dark] .exam-review-toolbar button{background:var(--surface-soft)!important;border-color:var(--line)!important;color:var(--ink-soft)!important}html[data-theme=dark] .exam-review-toolbar button.is-active{background:var(--jade)!important;color:#0b110f!important;border-color:var(--jade)!important}.flashcard-study-shell{width:100%;min-width:0;max-width:100%}.flashcard-study-main{--study-bg:#f5f9ff;--study-surface:#fff;--study-surface-soft:#f6faff;--study-line:#dbe7f4;--study-text:#102749;--study-muted:#71839d;--study-blue:#287be5;--study-mint:#13bd92;--study-red:#f05252;--study-gold:#e9a900;min-width:0;color:var(--study-text);gap:1.25rem;display:grid}.flashcard-study-main .flashcard-toolbar{margin:0;padding:0}.flashcard-stat-row{border:1px solid var(--study-line);background:var(--study-surface);border-radius:1rem;grid-template-columns:repeat(4,minmax(0,1fr));display:grid;overflow:hidden}@supports (color:color-mix(in lab,red,red)){.flashcard-stat-row{background:color-mix(in srgb,var(--study-surface) 92%,transparent)}}.flashcard-stat-row{box-shadow:0 12px 32px #1d4e8214}.flashcard-stat{border-right:1px solid 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.site-header-tool-divider{width:1px!important;height:38px!important;margin-inline:4px!important;display:inline-block!important}.site-header--full .site-header-tool-divider{background:#ddebe7!important}html[data-theme=dark] .site-header--full .site-header-tool-divider{background:#b4ded838!important}.site-header--full .header-login-link,.site-header--full .header-register-link--premium,.site-header--full .header-register-link:not(.header-register-link--premium),html[data-theme=dark] .site-header--full .header-login-link,html[data-theme=dark] .site-header--full .header-register-link--premium,html[data-theme=dark] .site-header--full .header-register-link:not(.header-register-link--premium){box-sizing:border-box!important;white-space:nowrap!important;border-radius:15px!important;align-items:center!important;gap:8px!important;height:44px!important;min-height:44px!important;font-size:14px!important;text-decoration:none!important;display:inline-flex!important}.site-header--full .header-login-link svg,.site-header--full .header-register-link--premium svg,.site-header--full .header-register-link:not(.header-register-link--premium) svg,html[data-theme=dark] .site-header--full .header-login-link svg,html[data-theme=dark] .site-header--full .header-register-link--premium svg,html[data-theme=dark] .site-header--full .header-register-link:not(.header-register-link--premium) svg{flex-shrink:0!important;width:16px!important;height:16px!important}.site-header--full .header-register-link--premium{color:#065f46!important;background:#d1fae5!important;border:1px solid #a7f3d0!important;padding-inline:16px!important;font-weight:650!important}html[data-theme=dark] .site-header--full .header-register-link--premium{color:#34d399!important;background:#10b98133!important;border:1px solid #34d3994d!important;padding-inline:16px!important;font-weight:650!important}.site-header--full .header-login-link{color:#102f2c!important;background:#fff!important;border:1px solid #ddebe7!important;padding-inline:16px!important;font-weight:600!important;box-shadow:0 1px 3px #102f2c0a!important}html[data-theme=dark] .site-header--full .header-login-link{color:#e2e8f0!important;background:#ffffff14!important;border:1px solid #ffffff26!important;padding-inline:16px!important;font-weight:600!important}.site-header--full .header-register-link:not(.header-register-link--premium){color:#fff!important;background:#10a985!important;border:1px solid #0d8c6e!important;padding-inline:18px!important;font-weight:750!important;box-shadow:0 3px 10px #10a98540!important}html[data-theme=dark] .site-header--full .header-register-link:not(.header-register-link--premium){color:#061125!important;background:#329bff!important;border:1px solid #2482db!important;padding-inline:18px!important;font-weight:750!important;box-shadow:0 2px 10px #329bff59!important}.site-header--full .site-header-scroll,html[data-theme=dark] .site-header--full .site-header-scroll{background:0 0!important;justify-content:center!important;align-items:center!important;width:100%!important;min-height:58px!important;padding:6px 24px 10px!important;display:flex!important;overflow:auto hidden!important}.site-header--full .site-nav-track--full,html[data-theme=dark] .site-header--full .site-nav-track--full{border-radius:999px!important;flex-wrap:nowrap!important;justify-content:center!important;align-items:center!important;gap:2px!important;width:fit-content!important;min-width:0!important;max-width:100%!important;min-height:48px!important;margin-inline:auto!important;padding:4px 6px!important;transition:background-color .25s,border-color .25s,box-shadow .25s!important;display:flex!important}.site-header--full .site-nav-track--full{background:#fffffff0!important;border:1px solid #ddebe7!important;box-shadow:0 2px 8px #102f2c0d,0 8px 24px #102f2c0a!important}html[data-theme=dark] .site-header--full .site-nav-track--full{background:#081225!important;border:1px solid #24436d!important;box-shadow:0 4px 18px #00000059!important}.site-header--full .site-nav-item,html[data-theme=dark] .site-header--full .site-nav-item{white-space:nowrap!important;border:1px solid #0000!important;border-radius:999px!important;align-items:center!important;gap:7px!important;height:40px!important;min-height:40px!important;padding-inline:14px!important;font-size:13.5px!important;font-weight:600!important;transition:all .18s!important;display:inline-flex!important}.site-header--full .site-nav-item svg,html[data-theme=dark] .site-header--full .site-nav-item svg{flex-shrink:0!important;width:16px!important;height:16px!important}.site-header--full .site-nav-item{color:#475569!important}.site-header--full .site-nav-item:hover{color:#102f2c!important;background:#effaf6!important}html[data-theme=dark] .site-header--full .site-nav-item{color:#adbfdd!important}html[data-theme=dark] .site-header--full 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.site-nav-item--upgrade.is-current{color:#ffdb70!important;background:#754f149e!important;border-color:#f1be3c9e!important}.site-header--full .site-nav-divider,html[data-theme=dark] .site-header--full .site-nav-divider{width:1px!important;height:20px!important;margin-inline:4px!important}.site-header--full .site-nav-divider{background:#ddebe7!important}html[data-theme=dark] .site-header--full .site-nav-divider{background:#1d3454!important}@media (max-width:620px){html[data-theme=dark] .site-header--full .site-header-top-inner{width:min(100% - 18px,1440px);min-height:62px}html[data-theme=dark] .site-header--full .hanyuflow-logo{border-radius:13px;width:42px;height:42px}html[data-theme=dark] .site-header--full .hanyuflow-header-wordmark strong{font-size:18px}.site-header--full .header-account-summary,html[data-theme=dark] .site-header--full .header-account-summary{border-radius:15px!important;max-width:min(190px,51vw)!important;min-height:44px!important;padding:4px 7px 4px 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