@font-face{font-family:Noto Sans SC;src:url(../fonts/noto-sans-sc-subset.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}:root{--font-sans: Inter, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-english: Inter, "Noto Sans SC", "PingFang SC", "Segoe UI", sans-serif;--ion-font-family: var(--font-sans);--paper: #eef1f7;--surface: #ffffff;--surface-2: #f1f5f9;--ink: #0f172a;--ink-soft: #334155;--muted: #475569;--line: #e5e7eb;--line-soft: #eef2f7;--line-strong: #b6c1d1;--brand-chip: #ffffff;--on-solid: #ffffff;--focus-ring: rgba(37, 99, 235, .35);--accent: #2563eb;--accent-soft: #eff6ff;--badge-bg: #f1f5f9;--badge-ink: #334155;--warn-soft: #fef3c7;--material-soft: #f1f5f9;--audio-soft: #f1f5f9;--success: #15803d;--success-soft: #ecfdf5;--danger: #dc2626;--danger-strong: #b91c1c;--text-xs: 12px;--text-pinyin: 13px;--text-label: 14px;--text-sm: 15px;--text-body: 17px;--text-body-lg: 19px;--text-option: 21px;--text-title: 24px;--text-display: 30px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--radius-xl: 16px;--shadow-card: 0 1px 2px rgba(15, 23, 42, .06);--radius: 12px;--radius-sm: 9px;--radius-xs: 6px;--hero-900: #0f1e4a;--hero-800: #1e3a8a;--hero-700: #1d4ed8;--hero-glow: rgba(37, 99, 235, .35);--hero-glow-soft: rgba(96, 165, 250, .22);--on-hero: #ffffff;--on-hero-base: #dbeafe;--on-hero-chip: rgba(37, 99, 235, .3);--on-hero-chip-line: rgba(96, 165, 250, .45);--brand-lead: #bfdbfe;--brand-50: #eef4ff;--brand-100: #e0ebff;--brand-soft-2: #e7ecff;--shadow-float: 0 12px 36px -4px rgba(15, 30, 74, .12), 0 4px 12px -2px rgba(15, 30, 74, .06);--shadow-accent: 0 8px 24px -2px rgba(37, 99, 235, .4);--whatsapp: #25d366;--whatsapp-soft: #ecfdf5;--whatsapp-soft-2: #d1fae5;--whatsapp-line: #a7f3d0;--whatsapp-ink: #047857;--ion-color-primary: #2563eb;--ion-color-primary-rgb: 37, 99, 235;--ion-color-primary-contrast: #ffffff;--ion-color-primary-shade: #1d4ed8;--ion-color-primary-tint: #3b82f6;--media-ratio: 4 / 3}@media(prefers-color-scheme:dark){:root{--shadow-card: 0 1px 2px rgba(0, 0, 0, .45);--paper: #0b0f16;--surface: #131820;--surface-2: #1a212b;--ink: #e6ebf2;--ink-soft: #c3ccd9;--muted: #93a1b3;--line: #2a3341;--line-soft: #202836;--line-strong: #3a4557;--brand-chip: #e8edf5;--on-solid: #0f172a;--focus-ring: rgba(96, 165, 250, .45);--accent: #60a5fa;--accent-soft: #16233a;--badge-bg: #232c38;--badge-ink: #cbd5e1;--material-soft: #1a212b;--success: #4ade80;--success-soft: #10251a;--danger: #f87171;--danger-strong: #f87171;--warn-soft: #2a2113;--audio-soft: #1a212b;--hero-900: #070c1c;--hero-800: #0e1b3d;--hero-700: #16295e;--hero-glow: rgba(37, 99, 235, .28);--hero-glow-soft: rgba(96, 165, 250, .16);--brand-lead: #bfdbfe;--brand-50: #16233a;--brand-100: #1c2c48;--brand-soft-2: #16233a;--shadow-float: none;--shadow-accent: none;--whatsapp-soft: #10251a;--whatsapp-soft-2: #143020;--whatsapp-line: #24603c;--whatsapp-ink: #6ee7a8;--ion-color-primary: #60a5fa;--ion-color-primary-rgb: 96, 165, 250;--ion-color-primary-contrast: #0f172a;--ion-color-primary-shade: #4d8ee0;--ion-color-primary-tint: #7db4fb}}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0;background:var(--paper);color:var(--ink)}ion-content{--background: var(--paper)}body{letter-spacing:.01em}.sticky-progress{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:var(--space-3) 0;background:var(--paper);border-bottom:1px solid var(--line)}.page-shell :is(section,article,.question-card,.listening-answer-block){scroll-margin-top:64px}.sticky-brand{color:var(--muted);font-size:var(--text-xs);font-weight:600;letter-spacing:.04em}.page-shell{color:var(--ink);width:100%;max-width:960px;margin:0 auto;padding:0 clamp(12px,4vw,24px) calc(48px + env(safe-area-inset-bottom,0px))}.hero{padding:16px 0}.brand-row,.progress-line,.hero-grid,.section-heading,.submit-bar,.warning-actions,.audio-copy,.page-footer{display:flex;align-items:center}.brand-row{gap:12px;font-size:var(--text-xs);letter-spacing:.12em;text-transform:uppercase}.brand-mark{font-weight:700;font-size:var(--text-body);letter-spacing:.05em}.brand-line{width:34px;height:1px;background:var(--accent)}.brand-context{color:var(--muted)}.hero-grid{justify-content:space-between;gap:var(--space-6);padding:48px 0 32px}.eyebrow{font-size:var(--text-xs);letter-spacing:.13em;font-weight:700;color:var(--accent);margin:0 0 16px}h1{font-size:clamp(48px,8vw,88px);line-height:.98;letter-spacing:-.07em;margin:0;font-weight:700}h1 em{color:var(--accent);font-style:normal}.hero-copy{max-width:420px;margin:24px 0 0;color:var(--muted);line-height:1.7;font-size:var(--text-sm)}.hero-note{min-width:140px;padding:12px 16px;border-left:1px solid var(--accent);color:var(--muted);line-height:1.6}.hero-note span{color:var(--accent);font-weight:700;font-size:var(--text-title)}.hero-note p{margin:8px 0 0;font-size:var(--text-pinyin)}.progress-line{border-top:1px solid var(--line);padding-top:var(--space-3);gap:28px;color:var(--muted);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase}.progress-count{color:var(--success);margin-left:auto;color:var(--ink)}.assessment-frame{margin:0;padding:0 32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.section-heading{margin-bottom:var(--space-4)}.section-heading h2{margin:0}.audio-card{background:var(--audio-soft);border-radius:var(--radius);padding:16px;margin:0 0 var(--space-4)}.audio-copy{gap:12px;margin-bottom:12px}.audio-copy strong{font-size:var(--text-label)}.audio-copy p{margin:4px 0 0;font-size:var(--text-xs);color:var(--muted)}.audio-mark{color:var(--accent);font-size:var(--text-body-lg)}.audio-card audio{width:100%;height:40px}.question-list{display:grid;gap:1px}.question-card{display:grid;gap:12px;padding:16px 0;border-top:1px solid var(--line-soft)}.option-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}.option-list ion-radio{--border-radius: var(--radius-sm);--color: var(--line);--color-checked: var(--accent);border:1px solid var(--line);border-radius:var(--radius-sm);padding:11px 12px;min-height:44px;font-size:var(--text-label)}.option-list ion-radio.radio-checked{border-color:var(--accent);background:var(--accent-soft)}.question-body ion-textarea{--background: var(--surface-2);--border-color: var(--line);--border-style: solid;--border-width: 1px;--padding-start: 12px;--padding-end: 12px;margin-top:12px;border-radius:var(--radius-sm)}.option-list ion-radio img{display:block;width:100%;max-height:82px;object-fit:contain;margin-top:8px}.option-list ion-radio span{display:block}.question-card--image{display:block}.image-option-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(clamp(150px,42vw,180px),1fr));justify-content:start;gap:12px;margin-top:12px}.image-option-list:not(.listening-image-question-group>.image-option-list){grid-template-columns:repeat(var(--option-count, 2),minmax(0,1fr))}.listening-image-question-group>.image-option-list{grid-template-columns:repeat(3,minmax(0,1fr));max-width:none}.image-option{position:relative;box-shadow:var(--shadow-card);display:block;width:100%;aspect-ratio:var(--media-ratio);min-width:0;padding:0;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;touch-action:manipulation;transition:border-color .18s ease,background-color .18s ease,transform .15s ease}.image-option input{position:absolute;width:1px;height:1px;opacity:0}.image-option-badge{position:absolute;z-index:1;top:0;left:0;display:grid;place-items:center;width:28px;height:28px;margin:0;background:var(--badge-bg);color:var(--badge-ink);border-radius:0 0 var(--radius-sm) 0;font-size:var(--text-pinyin);font-weight:700}.image-option img{display:block;width:100%;height:100%;margin:0;object-fit:contain}.image-option.is-selected{border:2px solid var(--accent);box-shadow:var(--shadow-card);background:var(--surface)}.image-option.is-selected .image-option-badge{background:var(--accent);color:var(--on-solid)}.image-option:focus-within{outline:none}.image-option:has(input:focus-visible){outline:2px solid var(--focus-ring);outline-offset:2px}.image-option:active{transform:scale(.985)}.image-option--static{cursor:default}.image-option--static:active{transform:none}.question-card--visual-option{display:block}.section-title-en{font-family:var(--font-english);font-size:.875em;font-weight:400;letter-spacing:0}.listening-part-heading{padding:24px 0 12px;border-top:1px solid var(--line);text-align:center}.listening-part-title{display:flex;align-items:baseline;justify-content:center;gap:12px;line-height:1.2}.listening-part-title strong{color:var(--ink);font-size:var(--text-title);font-weight:600;letter-spacing:-.03em}.listening-part-title span{color:var(--ink);font-family:var(--font-english);font-size:var(--text-option);font-weight:400;letter-spacing:0}.listening-part-heading p{color:var(--ink);text-align:left;margin:12px 0 var(--space-1);font-size:var(--text-sm);line-height:1.6}.listening-part-heading small{display:block;color:var(--muted);text-align:left;font-family:var(--font-english);font-size:var(--text-pinyin);font-weight:400;line-height:1.5}.finish-panel{padding-bottom:28px}.submit-bar{justify-content:space-between;gap:24px;padding-top:32px;margin-top:var(--space-6);border-top:1px solid var(--line)}.submit-bar strong{font-size:var(--text-display);letter-spacing:-.05em;display:block}.submit-bar span{color:var(--muted);font-size:var(--text-xs)}.submit-bar ion-button{width:190px;--border-radius: 999px;--box-shadow: none;height:48px;font-weight:700}.warning-card,.success-card{margin-top:24px;padding:var(--space-4);border-radius:var(--radius)}.warning-card{background:var(--warn-soft)}.success-card{display:flex;gap:var(--space-3);align-items:flex-start;background:var(--material-soft)}.warning-card h3,.success-card h3{margin:0 0 var(--space-2);font-size:var(--text-sm)}.warning-card p,.success-card p{margin:0;color:var(--muted);font-size:var(--text-pinyin);line-height:1.6}.warning-actions{justify-content:flex-end;gap:8px;margin-top:16px}.warning-actions ion-button{--border-radius: 999px}.success-mark{color:var(--ink-soft);font-size:var(--text-title)}.page-footer{justify-content:space-between;color:var(--muted);font-size:var(--text-xs);border-top:1px solid var(--line);padding-top:var(--space-4)}@media(max-width:680px){.page-shell{padding:0 var(--space-4) calc(32px + env(safe-area-inset-bottom,0px))}.hero{padding-top:16px}.hero-grid{display:block;padding:32px 0 24px}.hero-note{margin-top:24px;display:inline-block}.progress-line{gap:12px;font-size:var(--text-xs)}.progress-count{font-size:var(--text-xs)}.assessment-frame{padding:0;border:0;border-radius:0;background:transparent}.panel,.assessment-section,.finish-panel{padding:24px 0}.option-list{grid-template-columns:1fr}.question-card{grid-template-columns:32px 1fr;gap:8px}.submit-bar{align-items:stretch;flex-direction:column;gap:16px}.submit-bar ion-button{width:100%}.page-footer{align-items:flex-start;flex-direction:column;gap:8px}}.page-shell--intro{width:100%;max-width:none;padding-inline:0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}.listening-part-heading p{font-weight:600}@media(min-width:681px){.question-card:not(.question-card--visual-option){grid-template-columns:96px 1fr}}@media(max-width:680px){.question-card:not(.question-card--visual-option){grid-template-columns:88px 1fr}}.text-option-card-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(clamp(150px,42vw,180px),1fr));justify-content:start;gap:var(--space-3);margin-top:var(--space-3)}.text-option-card-list--flow{display:grid;grid-template-columns:repeat(var(--flow-columns, 3),minmax(0,1fr));justify-content:start;gap:var(--space-3);margin-top:var(--space-3)}.text-option-card-list--flow .text-option-copy{flex-wrap:wrap}.text-option-card .text-option-unit{margin-right:0;text-align:center}.text-option-card{position:relative;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-card);gap:12px;width:100%;min-height:56px;padding:var(--space-2) var(--space-2);overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;transition:border-color .18s ease,background-color .18s ease,transform .15s ease}.text-option-card input{position:absolute;width:1px;height:1px;opacity:0}.text-option-badge{position:absolute;top:0;left:0;display:grid;place-items:center;width:28px;height:28px;background:var(--badge-bg);color:var(--badge-ink);border-radius:0 0 var(--radius-sm) 0;font-size:var(--text-pinyin);font-weight:700}.text-option-copy{display:grid;gap:4px;min-width:0}.text-option-pinyin{color:var(--muted);font-family:var(--font-english);font-size:var(--text-pinyin);white-space:nowrap}.text-option-copy strong{color:var(--ink);font-size:var(--text-body-lg);font-weight:400;letter-spacing:0;white-space:nowrap}.text-option-card.is-selected{border:2px solid var(--accent);background:var(--accent-soft)}.text-option-card.is-selected .text-option-badge,.text-option-card.is-correct .text-option-badge{background:var(--accent);color:var(--on-solid)}.text-option-card:focus-within{outline:none}.text-option-card:has(input:focus-visible){outline:2px solid var(--focus-ring);outline-offset:2px}.listening-example{margin-top:var(--space-4);padding:16px 0 4px;border-top:1px solid var(--line)}.listening-example-title{color:var(--ink);font-size:var(--text-sm);font-weight:600;line-height:1.6}.text-option-card-list--example{margin-top:12px}.text-option-card--example,.text-option-card--static{cursor:default}@media(max-width:680px){.text-option-card-list:not(.text-option-card-list--flow){grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.text-option-copy strong{font-size:var(--text-body)}.text-option-pinyin{font-size:var(--text-pinyin)}}.text-option-copy{display:flex;align-items:flex-start;justify-content:center;gap:12px;width:100%}.text-option-unit{display:inline;margin-right:8px}.text-option-unit:not(.text-option-unit--plain) rt,.text-option-unit:not(.text-option-unit--plain) strong{white-space:nowrap}.text-option-unit-punct{color:var(--ink);font-size:var(--text-body-lg);font-weight:400;line-height:1.35}.text-option-unit--plain,.sentence-line--plain .text-option-unit,.sentence-line--plain-hint .text-option-unit{margin-right:0}.text-option-unit strong{color:var(--ink);font-size:var(--text-body-lg);font-weight:400;line-height:1.35}.text-option-unit rt{display:ruby-text;font-size:var(--text-pinyin);line-height:1.15;text-align:center;white-space:nowrap}.text-option-unit span.text-option-pinyin{display:block;font-size:var(--text-pinyin);line-height:1.15;text-align:center;white-space:nowrap}.text-option-pinyin{font-size:var(--text-pinyin);line-height:1.15}.text-option-copy strong{font-size:var(--text-body-lg);line-height:1.35;letter-spacing:0}@media(max-width:680px){.text-option-copy{gap:8px}.text-option-unit{min-width:20px}.text-option-copy strong{font-size:var(--text-body)}.text-option-pinyin{font-size:var(--text-pinyin)}}.listening-example{text-align:left}.listening-example-prompt{display:flex;align-items:flex-start;gap:12px;margin-top:8px;color:var(--ink)}.listening-example-prompt .text-option-unit{min-width:24px}.listening-example-prompt .text-option-copy strong{font-size:var(--text-body-lg)}.listening-example-question-mark{align-self:end;font-size:var(--text-body-lg);line-height:1.1}.text-option-card.is-correct{border:2px solid var(--accent);background:var(--accent-soft)}.text-option-card.is-correct .text-option-badge{background:var(--accent);color:var(--on-solid)}@media(max-width:680px){.listening-example-prompt{gap:8px}.listening-example-prompt .text-option-unit{min-width:20px}.listening-example-prompt .text-option-copy strong,.listening-example-question-mark{font-size:var(--text-body)}}.text-option-unit--plain{display:inline;min-width:0}.listening-example--dialogue{padding-top:12px}.listening-example-dialogue-line{display:flex;flex-wrap:wrap;align-items:flex-start;gap:2px 8px;margin-top:8px}.listening-example-dialogue-line strong{color:var(--ink);font-size:var(--text-body-lg);font-weight:400;line-height:1.4;letter-spacing:0}.listening-example-dialogue-pair{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:baseline;column-gap:8px;margin-top:8px}.listening-example-dialogue-pair+.listening-example-dialogue-pair{margin-top:4px}.listening-example-dialogue-label{display:grid;gap:4px;color:var(--ink);white-space:nowrap}.listening-example-dialogue-label .text-option-pinyin{display:block;font-size:var(--text-pinyin);line-height:1.15;min-height:1.15em}.listening-example-dialogue-content{display:flex;flex-wrap:wrap;align-items:flex-start;column-gap:8px;row-gap:2px;min-width:0}.listening-example-dialogue-pair .text-option-unit{min-width:24px}.listening-example-dialogue-pair .text-option-pinyin{font-size:var(--text-pinyin);white-space:nowrap}.listening-example-dialogue-pair strong{color:var(--ink);font-size:var(--text-body-lg);font-weight:400;line-height:1.4}@media(max-width:680px){.listening-example-dialogue-line strong{font-size:var(--text-body)}.listening-example-dialogue-pair{column-gap:var(--space-2)}.listening-example-dialogue-pair .text-option-unit{min-width:20px}.listening-example-dialogue-pair strong{font-size:var(--text-body)}.listening-example-dialogue-label .text-option-pinyin{min-height:12px}}.listening-image-question-group{display:grid;gap:var(--space-2);margin-top:var(--space-4);padding-bottom:16px}.listening-image-question-group>.image-option-list{margin-bottom:12px}.listening-image-question-group>.letter-bank{margin-bottom:12px}.listening-image-question-group .listening-example{padding-bottom:var(--space-2)}.listening-part-heading--image-bank{border-bottom:1px solid var(--line)}.listening-image-answer-list{display:grid;gap:var(--space-4)}.listening-answer-block{display:grid;grid-template-columns:44px minmax(0,1fr);align-items:center;gap:var(--space-2) 12px;padding:12px 0;border-top:1px solid var(--line-soft)}.listening-answer-block--with-text{align-items:baseline}.listening-answer-block>.sentence-line,.listening-answer-block>.question-line{grid-column:2}.listening-answer-block>.text-option-card-list{grid-column:1 / -1}.listening-answer-block--with-text>.listening-letter-strip{grid-column:1 / -1}.listening-answer-block:not(.listening-answer-block--with-text)>.listening-letter-strip{grid-column:2}.listening-answer-block:not(.listening-answer-block--with-text){align-items:baseline}.listening-answer-block:not(.listening-answer-block--with-text) .question-lead{align-self:baseline}.question-card .question-lead{justify-items:start;align-self:auto}.question-lead{display:grid;justify-items:center;gap:4px;align-self:start;color:var(--ink);white-space:nowrap}.listening-answer-block--with-text .question-lead{align-self:baseline}.question-lead strong{font-size:var(--text-body-lg);font-weight:600;line-height:1.35}.listening-letter-strip{display:grid;grid-template-columns:repeat(var(--letter-count, 6),minmax(0,1fr));gap:8px;width:100%}.listening-answer-example{padding-bottom:2px}.listening-image-answer-options{display:grid;grid-template-columns:repeat(var(--letter-count, 6),minmax(0,1fr));gap:8px;width:100%;max-width:calc(var(--letter-count, 6) * 62px)}.listening-image-answer-option{position:relative;display:grid;place-items:center;min-width:0;height:42px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);cursor:pointer;font-size:var(--text-sm);font-weight:600;transition:border-color .16s ease,background-color .16s ease,color .16s ease}.listening-image-answer-option input{position:absolute;width:1px;height:1px;opacity:0}.listening-image-answer-option:has(input:focus-visible){outline:3px solid var(--focus-ring);outline-offset:2px}.listening-example .listening-answer-block,.listening-example .listening-answer-example{margin-top:var(--space-4);padding-top:0;border-top:0}.listening-example .listening-answer-example{padding:2px 0}.listening-letter-strip--example{padding:8px var(--space-2);border-radius:var(--radius);background:var(--surface-2)}.listening-letter-strip--example .listening-image-answer-option{cursor:default}@media(max-width:680px){.listening-image-question-group{gap:var(--space-2);margin-top:var(--space-3)}.listening-answer-block{grid-template-columns:30px minmax(0,1fr);gap:var(--space-2) 8px;padding:var(--space-3) 0}.listening-letter-strip--example{padding:var(--space-2) 8px;border-radius:var(--radius-sm)}.question-lead strong{font-size:var(--text-body)}.listening-image-answer-options{gap:8px;max-width:100%}.listening-image-answer-option{height:44px;border-radius:var(--radius-sm);font-size:var(--text-label)}}.sentence-line{display:block;font-size:var(--text-body-lg);line-height:1.35}.sentence-line .text-option-unit{min-width:26px}.sentence-line .text-option-unit strong{color:var(--ink);font-size:var(--text-body-lg);font-weight:400;line-height:1.35;letter-spacing:0}.sentence-line .text-option-pinyin{color:var(--muted);font-size:var(--text-pinyin)}.sentence-blank{position:relative}.sentence-blank:has(.sentence-blank-input):before{content:"";position:absolute;left:50%;top:50%;width:52px;height:44px;transform:translate(-50%,-50%)}label.sentence-blank{cursor:text}.sentence-blank-input{position:relative;z-index:1}.sentence-line--plain,.sentence-line--plain-hint{display:block}.sentence-blank-body{display:inline-flex;align-items:baseline}.sentence-blank-space{display:inline-block;width:40px}.sentence-blank rt{font-size:var(--text-pinyin);line-height:1.15;white-space:nowrap;position:relative;bottom:2px}.sentence-blank-bracket{color:var(--accent);font-size:var(--text-body);line-height:1.35}.sentence-blank-input{width:2.6em;height:1.2em;padding:0;border:0;border-radius:var(--radius-xs);background:transparent;color:var(--ink);font-family:inherit;font-size:var(--text-body-lg);line-height:1.2em;text-align:center;vertical-align:1px}.sentence-blank-input::placeholder{color:var(--muted);opacity:.55}.sentence-blank-input:focus{outline:2px solid var(--accent);outline-offset:2px}.sentence-blank-input.is-filled{background:var(--success-soft)}.sentence-blank-mark{display:block;color:var(--accent);font-size:var(--text-body);line-height:1.35;text-align:center}.letter-bank{display:grid;gap:12px}.letter-bank--sentence{margin:0;padding:0;list-style:none}.letter-bank-badge{position:absolute;top:8px;left:8px;display:grid;place-items:center;width:28px;height:28px;border-radius:var(--radius-sm);background:var(--badge-bg);color:var(--badge-ink);font-size:var(--text-pinyin);font-weight:700}.letter-bank-sentence{position:relative;display:grid;grid-template-columns:28px minmax(0,1fr);align-items:center;gap:var(--space-3);padding:12px var(--space-4);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.letter-bank-sentence .letter-bank-badge{position:static;width:28px;height:28px;font-size:var(--text-pinyin)}.option-copy{display:grid;gap:2px}.option-copy .option-pinyin{color:var(--muted);font-family:var(--font-english);font-size:var(--text-pinyin)}.question-line{display:flex;align-items:baseline;gap:4px;margin:0 0 2px;color:var(--ink);font-size:var(--text-body-lg);font-weight:400;line-height:1.5}.question-line-label{white-space:nowrap}@media(max-width:680px){.text-option-card{padding:var(--space-2) 8px}.sentence-line .text-option-unit strong,.question-line,.sentence-blank-input{font-size:var(--text-body)}.letter-bank-sentence{grid-template-columns:28px minmax(0,1fr);gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm)}.letter-bank-sentence .letter-bank-badge{width:28px;height:28px;font-size:var(--text-pinyin)}}.image-option,.text-option-card,.listening-image-answer-option,.listening-letter-strip,.submit-bar ion-button{transition:background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out,transform .18s ease-out}.image-option,.text-option-card,.listening-image-answer-option{cursor:pointer}.image-option:not(.is-correct):active,.text-option-card:not(.is-correct):active,.listening-image-answer-option:not(.is-correct):active{transform:scale(.985)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.listening-image-answer-option.is-selected,.listening-image-answer-option.is-correct{border:2px solid var(--accent);background:var(--accent-soft);color:var(--accent);box-shadow:none}.listening-image-question-group>.image-option-list{width:100%;min-width:0;max-width:none}.step-title{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.intro-actions{margin-top:var(--space-4)}.intro-actions ion-button{--border-radius: 999px;--box-shadow: none;height:48px;font-weight:700}.sticky-status{display:flex;align-items:center;gap:var(--space-2)}.countdown{font-variant-numeric:tabular-nums;font-size:var(--text-sm);font-weight:600;color:var(--ink)}.sticky-audio-hint,.timeout-note{font-size:var(--text-label);font-weight:600;border-radius:var(--radius-xs);padding:2px var(--space-1)}.sticky-audio-hint{color:var(--muted);background:var(--surface-2)}.timeout-note{color:var(--danger-strong);background:var(--warn-soft)}.sticky-progress.is-timed-out .countdown{color:var(--danger-strong)}.intro{width:100%;max-width:none;margin:0 auto;padding-bottom:var(--space-6)}.intro-header{position:sticky;top:0;z-index:50;min-height:56px;padding:var(--space-2) clamp(12px,4vw,16px);background:var(--surface);border-bottom:1px solid var(--line-soft)}.intro-header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);width:100%}.brand-lockup{display:inline-flex;align-items:center;gap:8px;min-width:0}.brand-icon{width:32px;height:32px;padding:0;border-radius:0;object-fit:contain;background:transparent}.brand-lockup-copy{display:grid;gap:1px;line-height:1}.brand-lockup-copy strong{color:var(--ink);font-size:16px;font-weight:800;letter-spacing:-.03em}.brand-lockup-copy span{color:var(--muted);font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.brand-lockup.brand-logo{display:inline-flex;width:auto;height:auto;padding:0;background:transparent;border-radius:0}.hero{position:relative;overflow:hidden;padding:clamp(16px,5vw,24px) clamp(12px,4vw,16px) clamp(32px,8vw,48px);background-image:radial-gradient(circle at 1px 1px,rgb(255 255 255 / 8%) 1px,transparent 1.2px),linear-gradient(180deg,var(--hero-900) 0%,var(--hero-800) 55%,var(--hero-700) 100%);background-size:20px 20px,100% 100%;color:var(--on-hero)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}.hero:before{top:-64px;right:-64px;width:208px;height:208px;background:var(--hero-glow);filter:blur(48px)}.hero:after{top:45%;left:-48px;width:160px;height:160px;background:var(--hero-glow-soft);filter:blur(36px)}.hero>*{position:relative}.hero-title{font-size:var(--text-title);font-weight:800;letter-spacing:-.02em;line-height:1.3;margin:0 0 var(--space-2)}.hero-title-lead{display:block;font-size:var(--text-option);font-weight:800;color:var(--brand-lead)}.hero-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-2);margin:var(--space-4) 0 var(--space-3);padding-top:var(--space-3);border-top:1px solid rgba(255,255,255,.18)}.hero-card{display:grid;align-content:center;min-width:0;min-height:64px;padding:var(--space-2) 6px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);background:#60a5fa2e;text-align:center}.hero-card span{color:#dbeafeb8;font-size:10px;line-height:1.3;white-space:nowrap}.hero-card strong{margin-top:4px;color:var(--on-hero);font-size:clamp(14px,3.4vw,22px);line-height:1.15;letter-spacing:-.04em;white-space:nowrap}.hero-copy{margin:0;color:var(--on-hero-base);font-size:var(--text-label);line-height:1.7;max-width:26em}.form-card{position:relative;z-index:20;width:auto;max-width:100%;margin:-20px clamp(12px,4vw,16px) 0;padding:clamp(16px,4vw,20px) clamp(16px,6vw,24px) clamp(16px,6vw,24px);border:1px solid var(--line-soft);border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--shadow-float)}.form-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3);margin-bottom:0;padding-bottom:var(--space-3);border-bottom:1px solid var(--line-soft)}.form-card-head h2{font-size:var(--text-body-lg);font-weight:700;letter-spacing:-.01em;margin:0 0 2px}.form-card-head .section-intro{margin:0;color:var(--muted);font-size:var(--text-xs);line-height:1.6}.form-body{display:grid;gap:var(--space-4)}.field{display:grid;gap:var(--space-2);min-width:0;margin:0;padding:0;border:0}.field-label{color:var(--ink-soft);font-size:var(--text-xs);font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:0}.field-required{color:var(--danger)}.field-optional{color:var(--muted);font-weight:400;letter-spacing:0;text-transform:none}.field-label-row{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-2)}.field-hint{color:var(--muted);font-size:11px}.field-control{display:flex;align-items:center;gap:var(--space-2);padding:10px var(--space-3);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);transition:background-color .15s ease,border-color .15s ease,box-shadow .15s ease}.field-control:focus-within{background:var(--surface);border-color:var(--accent);box-shadow:0 0 0 3px var(--focus-ring)}.field-icon{color:var(--muted);font-size:18px;flex:none}.field-input{flex:1;min-width:0;margin:0;padding:0;border:0;background:transparent;color:var(--ink);font-family:inherit;font-size:var(--text-sm)}.field-input:focus{outline:none}.field-input::placeholder{color:var(--muted);opacity:.75}.field.has-error .field-control{border-color:var(--danger)}.field-error{margin:-12px 0 0;color:var(--danger);font-size:var(--text-xs)}.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-2);width:100%;min-width:0}.field--source{display:block}.field--source>legend{display:block;margin:0 0 var(--space-2)}.source-option{display:flex;align-items:center;gap:var(--space-2);min-width:0;min-height:48px;padding:10px var(--space-3);border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-2);cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}.source-option:hover{background:var(--line-soft)}.source-option:active{transform:scale(.98)}.source-option:has(input:focus-visible){outline:2px solid var(--focus-ring);outline-offset:2px}.source-option.is-selected{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.source-mark{flex:none;width:16px;height:16px;border:2px solid var(--line-strong);border-radius:50%;background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease}.source-option.is-selected .source-mark{border-color:var(--accent);box-shadow:inset 0 0 0 3px var(--accent)}.source-option-text{min-width:0;color:var(--ink);font-size:var(--text-xs);font-weight:500;line-height:1.35}.source-option.is-selected .source-option-text{color:var(--accent)}.sr-only{position:absolute;width:1px;height:1px;margin:0;padding:0;opacity:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;pointer-events:none}.intro-actions{margin-top:var(--space-5)}.intro-actions ion-button{--border-radius: var(--radius);--box-shadow: none;height:52px;font-weight:700;border-radius:var(--radius);box-shadow:var(--shadow-accent)}.form-note{display:flex;align-items:flex-start;justify-content:center;gap:6px;margin:var(--space-3) 0 0;color:var(--muted);font-size:11px;font-style:normal;text-align:left;line-height:1.6}.form-note ion-icon{flex:none;margin-top:1px;color:#059669;font-size:17px}.support-card{display:grid;gap:var(--space-3);width:auto;max-width:100%;margin:var(--space-5) clamp(12px,4vw,16px) 0;padding:clamp(16px,5vw,24px);border:1px solid var(--line);border-radius:var(--radius-xl);background:linear-gradient(180deg,var(--surface),var(--surface-2));box-shadow:var(--shadow-card)}.support-heading{display:flex;align-items:center;gap:var(--space-3)}.support-heading-mark{display:grid;place-items:center;flex:none;color:var(--accent);font-size:24px}.support-heading h2{margin:0;color:var(--accent);font-size:var(--text-sm);font-weight:700;line-height:1.35}.support-intro{margin:0;color:var(--ink-soft);font-size:var(--text-xs);line-height:1.6}.support-channel{display:flex;align-items:center;gap:var(--space-3);min-width:0;min-height:64px;padding:var(--space-3);border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--surface);color:inherit;text-decoration:none;transition:background-color .15s ease,border-color .15s ease,transform .15s ease}.support-channel:hover{background:var(--line-soft);border-color:var(--line-strong)}.support-channel:active{transform:scale(.99)}.support-channel-mark{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:14px;background:var(--brand-50);color:var(--accent);font-size:22px;box-shadow:0 3px 8px #0f172a1f}.support-channel--whatsapp .support-channel-mark{background:#10b981;color:#fff}.support-channel--instagram .support-channel-mark{background:linear-gradient(135deg,#f58529,#dd2a7b 48%,#8134af 76%,#515bd4);color:#fff}.support-channel--tiktok .support-channel-mark{background:#111827;color:#fff}.support-channel--website .support-channel-mark{background:#2563eb;color:#fff}.support-channel-mark--whatsapp{background:#10b981;color:#fff}.support-channel-copy{display:grid;gap:2px;min-width:0}.support-channel-copy strong{color:#94a3b8;font-size:11px;font-weight:700;line-height:1.3;letter-spacing:.02em;text-transform:uppercase}.support-channel-copy span{color:var(--ink);font-size:var(--text-xs);font-weight:600;line-height:1.3;overflow-wrap:anywhere}.support-channel--whatsapp .support-channel-copy span{font-variant-numeric:tabular-nums}.support-channel-action{display:inline-flex;align-items:center;gap:4px;flex:none;margin-left:auto;padding:5px 9px;border-radius:var(--radius);background:var(--success-soft);color:var(--success);font-size:11px;font-weight:700;white-space:nowrap}.support-channel-grid{display:grid;grid-template-columns:1fr;gap:var(--space-2)}.support-channel--compact{min-height:64px}.support-channel--compact .support-channel-mark{width:36px;height:36px;font-size:20px}.support-channel--compact .support-channel-copy span{font-size:var(--text-xs)}.course-card{display:flex;align-items:flex-start;gap:var(--space-3);width:auto;max-width:100%;margin:var(--space-5) clamp(12px,4vw,16px) 0;padding:var(--space-4);border:1px solid var(--brand-100);border-radius:var(--radius-xl);background:linear-gradient(90deg,var(--brand-50),var(--brand-soft-2))}.course-mark{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:var(--radius);background:var(--accent);color:var(--on-solid);font-size:20px;box-shadow:var(--shadow-card)}.course-card h2{font-size:var(--text-sm);font-weight:700;line-height:1.4;margin:0 0 4px}.course-card p{margin:0;color:var(--ink-soft);font-size:var(--text-xs);line-height:1.7}.course-card .course-cta{margin-top:6px;color:var(--accent);font-weight:600}.contact-card{width:auto;max-width:100%;margin:var(--space-5) clamp(12px,4vw,16px) 0;padding:var(--space-4);border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--shadow-card)}.contact-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-3)}.contact-head h2{font-size:var(--text-sm);font-weight:700;margin:0 0 2px}.contact-head p{margin:0;color:var(--muted);font-size:var(--text-xs)}.contact-online{display:inline-flex;align-items:center;gap:5px;flex:none;padding:3px 8px;border-radius:999px;background:var(--success-soft);color:var(--success);font-size:10px;font-weight:600}.contact-dot{width:6px;height:6px;border-radius:50%;background:var(--success)}.contact-whatsapp{display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:var(--space-3);padding:var(--space-3);border:1px solid var(--whatsapp-line);border-radius:var(--radius);background:var(--whatsapp-soft);text-decoration:none;transition:background-color .15s ease}.contact-whatsapp:hover{background:var(--whatsapp-soft-2)}.contact-whatsapp-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--whatsapp);color:var(--on-solid);font-size:20px}.contact-whatsapp-copy{display:grid;gap:2px;min-width:0}.contact-whatsapp-copy strong{color:var(--ink);font-size:var(--text-xs);font-weight:700}.contact-whatsapp-number{color:var(--whatsapp-ink);font-variant-numeric:tabular-nums;font-size:11px}.contact-whatsapp-go{display:inline-flex;align-items:center;gap:4px;color:var(--whatsapp-ink);font-size:var(--text-xs);font-weight:600;white-space:nowrap}.contact-pills{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-2);margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--line-soft);text-align:center}.contact-pill{display:grid;gap:2px;padding:var(--space-2);border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--surface-2);text-decoration:none;transition:background-color .15s ease,transform .15s ease}.contact-pill:not(.contact-pill--plain):hover{background:var(--line-soft)}.contact-pill:not(.contact-pill--plain):active{transform:scale(.97)}.contact-pill-name{color:var(--ink);font-size:var(--text-xs);font-weight:600}.contact-pill-handle{color:var(--muted);font-size:9px;line-height:1.4;overflow-wrap:anywhere}.intro-footer{display:block;margin-top:var(--space-6);padding:var(--space-4) var(--space-4) 0;border-top:0;text-align:center}.intro-footer p{margin:0;color:var(--muted);font-size:11px;font-weight:500}.language-switcher{display:inline-flex;align-items:center;gap:2px;flex:none;padding:2px;border:1px solid var(--line);border-radius:999px;background:var(--surface-2)}.language-option{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--muted);font:inherit;font-size:var(--text-xs);font-weight:500;padding:4px 10px;border-radius:999px;cursor:pointer;white-space:nowrap}.language-option.is-active{background:var(--surface);color:var(--accent);font-weight:600;box-shadow:var(--shadow-card)}.language-option:focus-visible{outline:2px solid var(--accent);outline-offset:1px}@media(max-width:380px){.language-option{padding:4px 7px;font-size:11px}}@media(max-width:380px){.intro-header,.hero{padding-inline:clamp(12px,4vw,16px)}.hero-title{font-size:22px}.hero-title-lead{font-size:18px}.hero-copy{font-size:14px}.hero-card{min-height:56px;padding-inline:3px}.hero-card span{font-size:9px}.hero-card strong{font-size:13px}.form-card{border-radius:var(--radius)}.form-card-head{gap:var(--space-2)}.form-card-head h2{font-size:18px}.source-option{min-height:44px;padding-block:8px}.source-option-text{font-size:var(--text-xs)}.course-card,.contact-card{margin-inline:clamp(12px,4vw,16px)}}.brand-logo{height:30px;width:auto;display:block;background:var(--brand-chip);border-radius:var(--radius-xs);padding:3px 6px;box-sizing:content-box}@media(min-width:681px){.intro{width:100%;max-width:none}.intro-header{padding:var(--space-2) var(--space-5)}.intro-header-inner{width:640px;max-width:100%;margin:0 auto}.hero{padding:var(--space-6) var(--space-6) 36px}.hero-copy{max-width:34em}.hero-title{font-size:var(--text-display)}.form-card,.course-card,.contact-card,.intro-footer{width:640px;max-width:calc(100% - var(--space-6));margin-left:auto;margin-right:auto}.form-card{padding:16px 24px 24px}.course-card,.contact-card{padding:var(--space-4) var(--space-5)}}@media(min-width:681px){.page-shell--intro{max-width:768px}}.page-shell:not(.page-shell--intro){--exam-text: 12px;--exam-pinyin: 10.4px;--exam-caption: 10px;--exam-title: 16px;--question-number-shift-plain: -2px;--question-number-shift-pinyin: 0px;width:100%;max-width:448px;margin:0 auto;padding:0 14px calc(92px + env(safe-area-inset-bottom,0px));background:#f1f5f9;color:#0f172a;font-family:var(--font-sans);letter-spacing:normal;line-height:24px}.page-shell:not(.page-shell--intro) .sticky-progress{position:sticky;top:0;z-index:40;width:100vw;margin-left:calc(50% - 50vw);min-height:47.5px;padding:10px 16px;background:#fffffff2;border-bottom:1px solid #e2e8f0;box-shadow:0 1px 3px #0f172a14;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.sticky-progress-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;max-width:448px;min-width:0;margin:0 auto}.sticky-brand-lockup{display:flex;align-items:center;gap:8px;min-width:0}.sticky-brand-mark{display:grid;place-items:center;flex:none;width:24px;height:24px;border-radius:5px;background:#1d4ed8;color:#fff;font-size:var(--exam-caption);font-weight:800;letter-spacing:-.04em;box-shadow:0 1px 2px #0f172a1f}.sticky-brand-copy{display:grid;min-width:0;gap:2px;line-height:1}.sticky-brand-eyebrow{color:#94a3b8;font-size:var(--exam-caption);font-weight:700;letter-spacing:.05em;line-height:10px;white-space:nowrap}.page-shell:not(.page-shell--intro) .sticky-brand{display:block;min-width:0;overflow:hidden;color:#0f172a;font-size:var(--exam-text);font-weight:700;letter-spacing:-.3px;line-height:16.5px;text-overflow:ellipsis;white-space:nowrap}.page-shell:not(.page-shell--intro) .sticky-status{flex:none;gap:6px}.page-shell:not(.page-shell--intro) .countdown{color:#e11d48;background:#fff1f2;border:1px solid #ffe4e6;border-radius:5px;padding:4px 7px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--exam-text);font-weight:600;line-height:16px}.page-shell:not(.page-shell--intro) .progress-count{color:#475569;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--exam-caption);font-weight:600;white-space:nowrap}.page-shell:not(.page-shell--intro) .sticky-audio-hint,.page-shell:not(.page-shell--intro) .timeout-note{font-size:var(--exam-caption);padding:3px 5px}.page-shell:not(.page-shell--intro) .assessment-frame{display:block;margin:0;padding:12px 0 0;border:0;border-radius:0;background:transparent}.page-shell:not(.page-shell--intro) .assessment-section{display:block;margin:0;padding:0;border:0}.page-shell:not(.page-shell--intro) .assessment-section+.assessment-section{margin-top:14px}.page-shell:not(.page-shell--intro) .section-heading--banner{min-width:0;height:56px;margin:0 0 16px;padding:0;overflow:hidden;border:1px solid #bfdbfe;border-radius:12px;background:#fff;color:#fff;box-shadow:0 1px 3px #0f172a14}.page-shell:not(.page-shell--intro) .section-heading--banner-inner{display:flex;width:100%;height:54px;align-items:center;justify-content:space-between;gap:10px;min-width:0;padding:13px 14px;background:linear-gradient(90deg,#1d4ed8,#2563eb)}.section-heading-title{display:flex;align-items:center;gap:10px;min-width:0}.section-heading-dot{flex:none;width:12px;height:12px;border-radius:50%;background:#34d399;box-shadow:0 0 0 2px #34d39926}.page-shell:not(.page-shell--intro) .section-heading--banner h2{min-width:0;margin:0;color:#fff;font-size:var(--exam-title);font-weight:700;letter-spacing:.4px;line-height:24px}.section-heading-meta{display:inline-flex;flex:none;max-width:48%;min-height:26px;align-items:center;overflow:hidden;padding:4px 10px;border:1px solid rgb(255 255 255 / 20%);border-radius:4px;background:#fff3;color:#fff;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--exam-text);font-weight:500;line-height:16px;text-align:right;text-overflow:ellipsis;white-space:nowrap}.page-shell:not(.page-shell--intro) .audio-card{display:block;height:42px;margin:10px 0 0;padding:8px 12px;border:1px solid rgb(226 232 240 / 80%);border-radius:12px;background:#eff6ff7f;box-shadow:none}.page-shell:not(.page-shell--intro) .audio-copy{display:none}.page-shell:not(.page-shell--intro) .audio-visual{display:flex;width:100%;height:24px;min-width:0;align-items:center;justify-content:space-between}.page-shell:not(.page-shell--intro) .audio-control-button{display:grid;width:24px;height:24px;place-items:center;flex:none;padding:0;border:0;border-radius:50%;background:#1d4ed8;color:#fff;cursor:pointer}.page-shell:not(.page-shell--intro) .audio-control-button:focus-visible{outline:2px solid #93c5fd;outline-offset:2px}.page-shell:not(.page-shell--intro) .audio-control-button--static{cursor:default}.page-shell:not(.page-shell--intro) .audio-control-icon{display:block;width:0;height:0;margin-left:2px;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:7px solid currentColor}.page-shell:not(.page-shell--intro) .audio-control-icon--pause{width:8px;height:10px;margin-left:0;border:0;background:linear-gradient(90deg,currentColor 0 3px,transparent 3px 5px,currentColor 5px 8px)}.page-shell:not(.page-shell--intro) .audio-time{display:flex;flex:none;align-items:center;gap:6px;margin-left:10px;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--exam-text);line-height:16px}.page-shell:not(.page-shell--intro) .audio-time-current{color:#1d4ed8;font-weight:700}.page-shell:not(.page-shell--intro) .audio-time-separator{color:#94a3b8}.page-shell:not(.page-shell--intro) .audio-time-total{color:#64748b}.page-shell:not(.page-shell--intro) .audio-progress{display:block;flex:1;width:auto;max-width:120px;min-width:24px;height:6px;margin:0 8px;overflow:hidden;border-radius:999px;background:#e2e8f0}.page-shell:not(.page-shell--intro) .audio-progress-fill{display:block;width:0;height:100%;border-radius:inherit;background:#1d4ed8}.page-shell:not(.page-shell--intro) .audio-volume-icon{display:block;width:16px;height:16px;flex:none;color:#94a3b8;stroke-width:2}.page-shell:not(.page-shell--intro) .audio-card audio.audio-native{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.page-shell:not(.page-shell--intro) .cbt-part-card{display:block;margin:0 0 12px;padding:16px;border:1px solid #e2e8f0;border-radius:12px;background:#fff;box-shadow:0 1px 3px #0f172a14}.page-shell:not(.page-shell--intro) .cbt-part-card+.cbt-part-card{margin-top:16px}.page-shell:not(.page-shell--intro) .listening-part-heading{padding:0 0 12px;border-top:0;border-bottom:1px solid #f1f5f9;text-align:left}.page-shell:not(.page-shell--intro) .listening-part-title{justify-content:flex-start;gap:10px}.page-shell:not(.page-shell--intro) .listening-part-title strong{display:inline-flex;align-items:center;min-height:24px;padding:4px 10px;border-radius:8px;background:#1d4ed8;color:#fff;font-size:var(--exam-text);font-weight:700;letter-spacing:.3px;line-height:16px}.page-shell:not(.page-shell--intro) .listening-part-title .part-range{display:inline-flex;align-items:center;min-height:20px;padding:2px 8px;border-radius:4px;background:#f1f5f9;color:#64748b;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--exam-text);font-weight:600;line-height:16px;white-space:nowrap}.page-shell:not(.page-shell--intro) .listening-part-heading p{margin:4px 0 0;color:#475569;font-size:var(--exam-text);font-weight:500;letter-spacing:normal;line-height:19.5px}.page-shell:not(.page-shell--intro) .question-list{display:grid;gap:0}.page-shell:not(.page-shell--intro) .assessment-part--writing-1 .question-list,.page-shell:not(.page-shell--intro) .assessment-part--writing-2 .question-list{row-gap:12px}.page-shell:not(.page-shell--intro) .cbt-part-card:has(.question-card--image-visual) .question-list{row-gap:16px;margin-top:16px}.page-shell:not(.page-shell--intro) .question-card{display:block;padding:10px 0;border-top:1px dashed #e2e8f0}.page-shell:not(.page-shell--intro) .question-card:first-child{border-top:0}.page-shell:not(.page-shell--intro) .question-card--visual-option .question-lead{display:block;margin-bottom:7px}.page-shell:not(.page-shell--intro) .question-card--image-visual{padding:8px 0 0}.page-shell:not(.page-shell--intro) .question-card--image-visual:first-child{padding-top:4px}.page-shell:not(.page-shell--intro) .question-card--image-visual .question-lead{display:none}.page-shell:not(.page-shell--intro) .question-card--visual-option:not(.question-card--image-visual){padding:4px 0 0}.page-shell:not(.page-shell--intro) .question-card--visual-option:not(.question-card--image-visual) .question-lead{height:16px;margin-bottom:4px;font-size:var(--exam-text);line-height:16px}.page-shell:not(.page-shell--intro) .question-card--visual-option:not(.question-card--image-visual) .text-option-card-list{margin-top:8px}.page-shell:not(.page-shell--intro) .question-list:has(.question-card--visual-option:not(.question-card--image-visual)){row-gap:16px}.page-shell:not(.page-shell--intro) .question-card--visual-option:not(.question-card--image-visual)+.question-card--visual-option:not(.question-card--image-visual){padding-top:8px}.page-shell:not(.page-shell--intro) .question-card--visual-option:not(.question-card--image-visual)+.question-card--visual-option:not(.question-card--image-visual) .text-option-card{min-height:46px}.page-shell:not(.page-shell--intro) .question-lead{display:block;color:#475569}.page-shell:not(.page-shell--intro) .question-lead strong{color:#475569;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--exam-text);font-weight:600;line-height:16px}.page-shell:not(.page-shell--intro) .sentence-line,.page-shell:not(.page-shell--intro) .question-line{color:#0f172a;font-size:var(--exam-text);line-height:19.5px}.page-shell:not(.page-shell--intro) .sentence-line .text-option-unit strong,.page-shell:not(.page-shell--intro) .question-line{font-size:var(--exam-text)}.page-shell:not(.page-shell--intro) .question-card-inline-lead{display:flex;align-items:center;gap:8px;min-width:0;margin-bottom:8px}.page-shell:not(.page-shell--intro) .question-card-inline-lead>.question-lead{flex:none;align-self:center;height:auto;margin:0}.page-shell:not(.page-shell--intro) .question-card-inline-lead>.sentence-line{min-width:0;flex:1}.page-shell:not(.page-shell--intro) .question-card-inline-lead>.question-lead.question-lead--plain>strong{display:inline-block;transform:translateY(var(--question-number-shift-plain))}.page-shell:not(.page-shell--intro) .question-card-inline-lead>.question-lead.question-lead--grouped>strong{display:inline-block;transform:translateY(2.5px)}.page-shell:not(.page-shell--intro) .question-card-inline-lead>.question-lead.question-lead--plain-hint>strong{display:inline-block;transform:translateY(var(--question-number-shift-pinyin))}.page-shell:not(.page-shell--intro) ruby rt{color:#64748b;font-family:inherit;font-size:var(--exam-pinyin);font-weight:500;letter-spacing:-.104px;line-height:normal;transform:translateY(-1px)}.page-shell:not(.page-shell--intro) .text-option-pinyin,.page-shell:not(.page-shell--intro) .sentence-line .text-option-pinyin{color:#64748b;font-family:inherit;font-size:var(--exam-pinyin);line-height:normal}.page-shell:not(.page-shell--intro) .image-option-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:0}.page-shell:not(.page-shell--intro) .image-option{aspect-ratio:4 / 3;border:1px solid #cbd5e1;border-radius:8px;background:#fff;box-shadow:0 1px 2px #0f172a0f}.page-shell:not(.page-shell--intro) .image-option img{object-fit:contain}.page-shell:not(.page-shell--intro) .image-option-badge{width:24px;height:24px;border-radius:0 0 6px;background:#0f172ab3;color:#fff;font-size:var(--exam-text);font-weight:700;line-height:16px}.page-shell:not(.page-shell--intro) .image-option.is-selected{border:2px solid #1d4ed8;background:#eff6ff;box-shadow:0 0 0 1px #2563eb4d}.page-shell:not(.page-shell--intro) .image-option.is-selected .image-option-badge{background:#1d4ed8;color:#fff}.page-shell:not(.page-shell--intro) .text-option-card-list--flow,.page-shell:not(.page-shell--intro) .text-option-card-list--example{gap:8px;margin-top:0}.page-shell:not(.page-shell--intro) .text-option-card{display:block;min-height:48px;padding:0;border:1px solid #cbd5e1;border-radius:8px;background:#fff;box-shadow:none;color:#1e293b;font-size:16px;line-height:24px}.page-shell:not(.page-shell--intro) .text-option-badge{display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:0 0 6px;background:#e2e8f0;color:#334155;font-size:var(--exam-caption);line-height:15px}.page-shell:not(.page-shell--intro) .text-option-copy{display:flex;align-items:center;justify-content:center;width:100%;min-height:44px;padding:4px 10px;gap:8px;text-align:center}.page-shell:not(.page-shell--intro) .text-option-copy strong,.page-shell:not(.page-shell--intro) .text-option-unit-punct{color:#1e293b;font-size:var(--exam-text);font-weight:500;line-height:15px}.page-shell:not(.page-shell--intro) .text-option-card.is-selected,.page-shell:not(.page-shell--intro) .text-option-card.is-correct{border:2px solid #1d4ed8;background:#eff6ff;color:#1e3a8a;box-shadow:0 0 0 1px #3b82f64d}.page-shell:not(.page-shell--intro) .text-option-card.is-selected .text-option-badge,.page-shell:not(.page-shell--intro) .text-option-card.is-correct .text-option-badge{background:#1d4ed8;color:#fff}.page-shell:not(.page-shell--intro) .listening-example{margin-top:16px;padding:12px 12px 13px;border:2px dashed #94a3b8;border-radius:12px;background:#eff6ffa6}.page-shell:not(.page-shell--intro) .listening-example-title{min-height:22px;color:#334155;font-size:var(--exam-caption);font-weight:700;letter-spacing:.08em;line-height:16px;text-transform:uppercase}.page-shell:not(.page-shell--intro) .listening-example--dialogue .listening-example-title{min-height:16px}.page-shell:not(.page-shell--intro) .listening-example-prompt,.page-shell:not(.page-shell--intro) .listening-example-dialogue-pair{margin-top:8px}.page-shell:not(.page-shell--intro) .listening-example-prompt .text-option-unit{font-size:var(--exam-text);line-height:19.5px}.page-shell:not(.page-shell--intro) .listening-example-dialogue-pair .text-option-unit{min-width:18px}.page-shell:not(.page-shell--intro) .listening-example-dialogue-pair strong,.page-shell:not(.page-shell--intro) .listening-example-prompt .text-option-unit strong{font-size:var(--exam-text)}.page-shell:not(.page-shell--intro) .listening-example .text-option-card-list--example{padding-top:2px}.page-shell:not(.page-shell--intro) .listening-example .text-option-card-list--example{margin-top:8px;padding-top:0}.page-shell:not(.page-shell--intro) .listening-example .text-option-card{min-height:44px;font-size:12px;line-height:16px}.page-shell:not(.page-shell--intro) .listening-example .text-option-copy{min-height:40px;padding:4px 10px}.page-shell:not(.page-shell--intro) .listening-example .text-option-copy strong{color:#475569;font-size:var(--exam-text);font-weight:400;line-height:15px}.page-shell:not(.page-shell--intro) .listening-example .text-option-card.is-correct .text-option-copy strong{color:#1d4ed8;font-weight:700}.page-shell:not(.page-shell--intro) .listening-example .listening-answer-example{margin-top:8px}.page-shell:not(.page-shell--intro) .listening-example+.question-list{margin-top:16px}.page-shell:not(.page-shell--intro) .listening-example .text-option-badge{width:20px;height:20px;font-size:var(--exam-caption);line-height:16px}.page-shell:not(.page-shell--intro) .listening-image-question-group{gap:8px;margin-top:10px;padding-bottom:0}.page-shell:not(.page-shell--intro) .listening-image-question-group>.image-option-list{margin-bottom:2px}.page-shell:not(.page-shell--intro) .listening-answer-list{gap:8px}.page-shell:not(.page-shell--intro) .listening-answer-block{gap:6px 8px;padding:8px;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafcb3}.page-shell:not(.page-shell--intro) .listening-image-answer-option{height:32px;border-radius:4px;border-color:#cbd5e1;font-size:var(--exam-text);font-weight:700;line-height:16px}.page-shell:not(.page-shell--intro) .listening-letter-strip{gap:6px}.page-shell:not(.page-shell--intro) .listening-letter-strip--example{padding:4px 0;background:transparent}.page-shell:not(.page-shell--intro) .letter-bank-sentence{gap:8px;padding:8px 10px;border-color:#93c5fd;border-radius:8px;background:#eff6ff}.page-shell:not(.page-shell--intro) .letter-bank-sentence .letter-bank-badge,.page-shell:not(.page-shell--intro) .letter-bank-badge{width:20px;height:20px;border-radius:50%;font-size:var(--exam-caption);line-height:1;background:#1d4ed8;color:#fff}.page-shell:not(.page-shell--intro) .finish-panel{margin-top:0;padding:14px 0 0;border-top:0}.page-shell:not(.page-shell--intro) .finish-panel h2{color:#0f172a;font-size:18px}.page-shell:not(.page-shell--intro) .finish-panel>p{color:#64748b;font-size:11px}.page-shell:not(.page-shell--intro) .submit-bar{position:sticky;bottom:0;z-index:35;width:100vw;margin:14px 0 -92px calc(50% - 50vw);padding:10px max(14px,calc((100vw - 448px)/2)) calc(10px + env(safe-area-inset-bottom,0px));border-top:1px solid #e2e8f0;background:#fffffff5;box-shadow:0 -4px 12px -2px #0f172a0f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.page-shell:not(.page-shell--intro) .submit-bar strong{font-size:var(--exam-title);letter-spacing:0}.page-shell:not(.page-shell--intro) .submit-bar span{font-size:var(--exam-text);line-height:16px}.page-shell:not(.page-shell--intro) .submit-bar ion-button{width:auto;min-width:108px;height:36px;--border-radius: 8px;font-size:var(--exam-text);font-weight:600;line-height:16px}@media(min-width:681px){.page-shell:not(.page-shell--intro){max-width:448px;padding-inline:14px}.page-shell:not(.page-shell--intro) .section-heading--banner{height:58px}.page-shell:not(.page-shell--intro) .section-heading--banner-inner{height:56px}.page-shell:not(.page-shell--intro) .section-heading--banner h2{font-size:18px;line-height:28px}.page-shell:not(.page-shell--intro) .sticky-progress{width:100vw;margin-left:calc(50% - 50vw)}.page-shell:not(.page-shell--intro) .submit-bar{margin-left:calc(50% - 50vw);margin-right:0}}@media(max-width:360px){.page-shell:not(.page-shell--intro){padding-inline:10px}.page-shell:not(.page-shell--intro) .sticky-progress{width:100vw;margin-left:calc(50% - 50vw);padding-inline:12px}.page-shell:not(.page-shell--intro) .section-heading--banner-inner{padding-inline:10px}.page-shell:not(.page-shell--intro) .section-heading-meta{max-width:48%}.page-shell:not(.page-shell--intro) .cbt-part-card{padding:12px}.page-shell:not(.page-shell--intro) .submit-bar{margin-left:calc(50% - 50vw);margin-right:0;padding-inline:10px}}.page-shell:not(.page-shell--intro) .assessment-section .text-option-unit strong,.page-shell:not(.page-shell--intro) .listening-example-dialogue-label strong{font-family:inherit;font-size:var(--exam-text);font-weight:500;line-height:19.5px}.page-shell:not(.page-shell--intro) .text-option-copy .text-option-unit strong{line-height:15px}.page-shell:not(.page-shell--intro) .assessment-section .text-option-pinyin,.page-shell:not(.page-shell--intro) .assessment-section ruby rt{font-family:inherit;font-size:var(--exam-pinyin);font-weight:500;letter-spacing:-.01em;line-height:normal}.page-shell:not(.page-shell--intro) .listening-example-question-mark,.page-shell:not(.page-shell--intro) .sentence-blank-mark,.page-shell:not(.page-shell--intro) .sentence-blank-bracket{font-size:var(--exam-text);font-weight:500;line-height:19.5px}.page-shell:not(.page-shell--intro) .sentence-blank-input{font-size:var(--exam-text);min-width:44px}.page-shell:not(.page-shell--intro) .question-line{font-weight:600;line-height:16.5px}.page-shell:not(.page-shell--intro) .sticky-brand-mark{font-size:var(--exam-text);font-weight:700;letter-spacing:.05em}@media(min-width:640px){.page-shell:not(.page-shell--intro) .question-line{font-size:14px;line-height:20px}}.page-shell:not(.page-shell--intro) .assessment-section .listening-example .text-option-card .text-option-copy .text-option-unit strong{color:#475569;font-size:var(--exam-text);font-weight:400;line-height:15px}.page-shell:not(.page-shell--intro) .assessment-section .listening-example .text-option-card.is-correct .text-option-copy .text-option-unit strong{color:#1d4ed8;font-weight:700}.page-shell:not(.page-shell--intro) .text-option-card.is-selected .text-option-copy strong,.page-shell:not(.page-shell--intro) .text-option-card.is-selected .text-option-unit-punct,.page-shell:not(.page-shell--intro) .text-option-card.is-correct .text-option-copy strong,.page-shell:not(.page-shell--intro) .text-option-card.is-correct .text-option-unit-punct{color:#1d4ed8;font-weight:700}.page-shell:not(.page-shell--intro) .listening-image-answer-option.is-selected,.page-shell:not(.page-shell--intro) .listening-image-answer-option.is-correct{border:2px solid #1d4ed8;background:#eff6ff;color:#1d4ed8;box-shadow:0 0 0 1px #3b82f64d}.page-shell:not(.page-shell--intro) .listening-example .listening-letter-strip--example .listening-image-answer-option{width:24px;height:24px;border:1px solid #cbd5e1;border-radius:4px;background:#fff;color:#64748b;font-size:var(--exam-text);font-weight:600;line-height:16px;box-shadow:0 1px 2px #0f172a0d}.page-shell:not(.page-shell--intro) .listening-example .listening-letter-strip--example .listening-image-answer-option.is-correct,.page-shell:not(.page-shell--intro) .listening-example .listening-letter-strip--example .listening-image-answer-option.is-selected{border:0;background:#1d4ed8;color:#fff;box-shadow:0 1px 2px #0f172a1f}.page-shell:not(.page-shell--intro) .listening-example .listening-letter-strip--example{grid-template-columns:repeat(var(--letter-count, 6),24px);justify-content:start;width:max-content;max-width:100%}.page-shell:not(.page-shell--intro) .question-lead-row{display:flex;align-items:center;gap:12px;min-width:0}.page-shell:not(.page-shell--intro) .listening-answer-block>.listening-letter-strip{grid-row:2}.page-shell:not(.page-shell--intro) .question-lead-row>.question-lead{flex:none}.page-shell:not(.page-shell--intro) .question-card--image-visual .question-lead-row .question-lead{display:block}.page-shell:not(.page-shell--intro) .question-audio{display:inline-flex;width:min(100%,362px);min-width:190px;height:48px;align-items:center;gap:14px;padding:0 18px;border:2px solid #dbe3ee;border-radius:18px;background:#f8fafc;color:#94a3b8;vertical-align:middle}.page-shell:not(.page-shell--intro) .question-audio.is-playing{width:min(100%,696px);border-color:#b9d7ff;background:#f1f7ff;color:#1d4ed8}.page-shell:not(.page-shell--intro) .question-audio-button{display:grid;width:28px;height:28px;flex:none;place-items:center;padding:0;border:0;background:transparent;color:#2454c6;cursor:pointer}.page-shell:not(.page-shell--intro) .question-audio-button:focus-visible{outline:2px solid #93c5fd;outline-offset:3px;border-radius:6px}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon{display:block;width:0;height:0;margin-left:3px;border-top:10px solid transparent;border-bottom:10px solid transparent;border-left:15px solid currentColor}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon--pause{width:12px;height:18px;margin-left:0;border:0;background:linear-gradient(90deg,currentColor 0 4px,transparent 4px 8px,currentColor 8px 12px)}.page-shell:not(.page-shell--intro) .question-audio-time{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:22px;letter-spacing:.02em;line-height:1}.page-shell:not(.page-shell--intro) .question-audio-time strong{color:#1d4ed8;font-weight:700}.page-shell:not(.page-shell--intro) .question-audio-separator{color:#8b9bb2}.page-shell:not(.page-shell--intro) .question-audio-track{display:none}.page-shell:not(.page-shell--intro) .question-audio-track>span{display:block;height:100%;border-radius:inherit;background:currentColor}.page-shell:not(.page-shell--intro) .audio-waveform{display:inline-flex;height:30px;align-items:end;gap:5px;margin-left:auto;color:#2b5fd0}.page-shell:not(.page-shell--intro) .audio-waveform i{display:block;width:5px;border-radius:4px;background:currentColor}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(1){height:14px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(2){height:26px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(3){height:34px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(4){height:21px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(5){height:12px}.page-shell:not(.page-shell--intro) .question-audio-error{color:#b91c1c;font-size:11px;white-space:nowrap}.page-shell:not(.page-shell--intro) .question-audio .audio-native{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}@media(max-width:680px){.page-shell:not(.page-shell--intro) .question-lead-row{gap:8px;align-items:flex-start}.page-shell:not(.page-shell--intro) .question-audio{min-width:0;width:min(100%,260px);height:44px;gap:9px;padding:0 12px;border-radius:15px}.page-shell:not(.page-shell--intro) .question-audio.is-playing{width:min(100%,100%)}.page-shell:not(.page-shell--intro) .question-audio-time{gap:7px;font-size:17px}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon{border-top-width:8px;border-bottom-width:8px;border-left-width:12px}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon--pause{width:10px;height:15px;background:linear-gradient(90deg,currentColor 0 3px,transparent 3px 7px,currentColor 7px 10px)}.page-shell:not(.page-shell--intro) .audio-waveform{gap:3px;transform:scale(.8);transform-origin:right center}}.page-shell:not(.page-shell--intro) .listening-answer-block:not(.listening-answer-block--with-text){grid-template-columns:1fr}.page-shell:not(.page-shell--intro) .listening-answer-block:not(.listening-answer-block--with-text)>.listening-letter-strip{grid-column:1 / -1;width:100%}.page-shell:not(.page-shell--intro) .listening-answer-block--with-text>.question-lead-row{grid-column:1 / -1;width:100%}@media(min-width:900px){.page-shell:not(.page-shell--intro){max-width:1508px;padding-inline:72px}.page-shell:not(.page-shell--intro) .assessment-frame{padding-top:24px}.page-shell:not(.page-shell--intro) .assessment-frame{background:#fff;border-radius:0 0 28px 28px;box-shadow:0 4px 12px #0f172a1a}.page-shell:not(.page-shell--intro) .cbt-part-card{padding:0 0 28px;border:0;border-radius:0;box-shadow:none;background:transparent}.page-shell:not(.page-shell--intro) .cbt-part-card+.cbt-part-card{margin-top:28px}.page-shell:not(.page-shell--intro) .listening-part-heading{padding-bottom:24px}.page-shell:not(.page-shell--intro) .question-card{padding:36px 0 68px;border-top:2px dashed #dce4ef}.page-shell:not(.page-shell--intro) .question-card:first-child{border-top:0}.page-shell:not(.page-shell--intro) .question-card--visual-option .question-lead-row{gap:40px}.page-shell:not(.page-shell--intro) .question-lead-row{gap:40px}.page-shell:not(.page-shell--intro) .question-lead strong{font-size:52px;line-height:1}.page-shell:not(.page-shell--intro) .question-audio{width:313px;height:108px;min-width:313px;padding:0 48px;border-width:4px;border-radius:32px;gap:30px}.page-shell:not(.page-shell--intro) .question-audio.is-playing{width:696px;min-width:696px}.page-shell:not(.page-shell--intro) .question-audio-button{width:42px;height:42px}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon{border-top-width:18px;border-bottom-width:18px;border-left-width:28px}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon--pause{width:23px;height:32px;background:linear-gradient(90deg,currentColor 0 8px,transparent 8px 15px,currentColor 15px 23px)}.page-shell:not(.page-shell--intro) .question-audio-time{gap:18px;font-size:44px}.page-shell:not(.page-shell--intro) .audio-waveform{height:62px;gap:8px}.page-shell:not(.page-shell--intro) .audio-waveform i{width:8px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(1){height:28px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(2){height:48px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(3){height:62px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(4){height:40px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(5){height:24px}.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-card-list{margin-top:34px}.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-card{min-height:190px;border-width:4px;border-radius:32px}.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-badge{width:87px;height:87px;border-radius:0 0 28px;font-size:40px}.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-copy{min-height:180px;gap:10px;padding:18px 32px}.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-copy strong,.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-unit-punct{font-size:40px;line-height:1.15}.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-pinyin,.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-unit rt{font-size:28px;line-height:1.1}.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-card.is-selected{border-width:6px}.page-shell:not(.page-shell--intro) .question-card--visual-option .text-option-card.is-selected .text-option-badge{background:#2454d8}}.page-shell:not(.page-shell--intro) .question-lead-row{gap:40px;align-items:center}.page-shell:not(.page-shell--intro) .question-card--visual-option .question-lead-row{margin-bottom:32px}.page-shell:not(.page-shell--intro) .question-audio{width:313px;min-width:313px;height:108px;padding:0 48px;border-width:4px;border-radius:32px;gap:30px}.page-shell:not(.page-shell--intro) .question-audio-button{width:42px;height:42px}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon{border-top-width:18px;border-bottom-width:18px;border-left-width:28px}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon--pause{width:23px;height:32px;background:linear-gradient(90deg,currentColor 0 8px,transparent 8px 15px,currentColor 15px 23px)}.page-shell:not(.page-shell--intro) .question-audio-time{gap:18px;font-size:44px}@media(max-width:680px){.page-shell:not(.page-shell--intro) .question-lead-row{gap:40px}.page-shell:not(.page-shell--intro) .question-audio{width:313px;min-width:313px;height:108px;padding:0 48px;border-radius:32px;gap:30px}.page-shell:not(.page-shell--intro) .question-audio.is-playing{width:min(100%,696px);min-width:0}.page-shell:not(.page-shell--intro) .question-audio-time{gap:18px;font-size:44px}}.page-shell:not(.page-shell--intro) .question-lead-row,.page-shell:not(.page-shell--intro) .question-card--visual-option .question-lead-row{gap:8px;margin-bottom:4px;align-items:center}.page-shell:not(.page-shell--intro) .question-audio,.page-shell:not(.page-shell--intro) .question-audio.is-playing{display:inline-flex;width:auto;min-width:0;height:28px;flex:none;gap:6px;padding:4px 10px;border:1px solid #cbd5e1;border-radius:8px;background:#f8fafc;color:#1d4ed8;box-shadow:0 1px 2px #0f172a0f}.page-shell:not(.page-shell--intro) .question-audio.is-playing{border-color:#bfdbfe;background:#eff6ffcc}.page-shell:not(.page-shell--intro) .question-audio-button{display:grid;width:14px;height:18px;place-items:center;padding:0;color:#1d4ed8}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon,.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon--pause{margin:0 0 0 1px}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon{border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid currentColor}.page-shell:not(.page-shell--intro) .question-audio .audio-control-icon--pause{width:9px;height:13px;border:0;background:linear-gradient(90deg,currentColor 0 3px,transparent 3px 6px,currentColor 6px 9px)}.page-shell:not(.page-shell--intro) .question-audio-time{display:inline-flex;align-items:center;gap:6px;font-size:11px;line-height:16px;letter-spacing:0}.page-shell:not(.page-shell--intro) .question-audio-time strong{color:#1d4ed8;font-weight:600}.page-shell:not(.page-shell--intro) .question-audio-separator{color:#94a3b8}.page-shell:not(.page-shell--intro) .audio-waveform{display:inline-flex;height:12px;align-items:end;gap:2px;margin-left:2px}.page-shell:not(.page-shell--intro) .audio-waveform i{width:2px;border-radius:999px;background:#1d4ed8}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(1){height:8px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(2){height:12px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(3){height:6px}.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(4),.page-shell:not(.page-shell--intro) .audio-waveform i:nth-child(5){display:none}@media(max-width:680px){.page-shell:not(.page-shell--intro) .question-audio,.page-shell:not(.page-shell--intro) .question-audio.is-playing{width:auto;min-width:0;height:28px;padding:4px 10px;gap:6px;border-radius:8px}.page-shell:not(.page-shell--intro) .question-lead-row,.page-shell:not(.page-shell--intro) .question-card--visual-option .question-lead-row{gap:8px}.page-shell:not(.page-shell--intro) .question-audio-time{font-size:11px;gap:6px}}.page-shell:not(.page-shell--intro) .reading-passage-card{display:block;margin:0;padding:12px;border:1px solid #e2e8f0;border-radius:12px;background:#f8fafc99}.page-shell:not(.page-shell--intro) .reading-passage-copy{display:grid;gap:10px}.page-shell:not(.page-shell--intro) .reading-passage-lead{display:flex;align-items:flex-start;min-width:0}.page-shell:not(.page-shell--intro) .reading-passage-lead .question-lead{flex:none;margin-right:6px}.page-shell:not(.page-shell--intro) .reading-passage-lead .question-lead strong{color:#1e293b;font-size:12px;font-weight:700;line-height:18px}.page-shell:not(.page-shell--intro) .reading-passage-lead .sentence-line{min-width:0;color:#1e293b;font-size:12px;font-weight:500;line-height:19.5px}.page-shell:not(.page-shell--intro) .reading-question-row{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid rgb(191 219 254 / 80%);border-radius:8px;background:#eff6ff99}.page-shell:not(.page-shell--intro) .reading-question-badge{flex:none;padding:2px 6px;border-radius:4px;background:#1d4ed8;color:#fff;font-size:10px;font-weight:700;line-height:14px}.page-shell:not(.page-shell--intro) .reading-question-row p{min-width:0;margin:0;color:#0f172a;font-size:12px;font-weight:600;line-height:17px}.page-shell:not(.page-shell--intro) .reading-passage-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:2px}.page-shell:not(.page-shell--intro) .reading-passage-options .text-option-card{min-height:38px;border-radius:8px}.page-shell:not(.page-shell--intro) .reading-passage-options .text-option-badge{width:20px;height:20px;font-size:10px}.page-shell:not(.page-shell--intro) .reading-passage-options .text-option-copy{min-height:36px;padding:4px 10px}.page-shell:not(.page-shell--intro) .reading-passage-options .text-option-copy strong,.page-shell:not(.page-shell--intro) .reading-passage-options .text-option-unit-punct{font-size:12px;line-height:16px}.page-shell:not(.page-shell--intro) .text-option-copy .token-plain{display:block;text-box:trim-both cap alphabetic}.page-shell:not(.page-shell--intro) .reading-passage-lead .question-lead{display:block;align-self:flex-start;margin-top:0;padding-top:0;line-height:16px}.page-shell:not(.page-shell--intro) .reading-passage-lead .question-lead strong{display:block;line-height:16px;transform:translateY(1px)}.page-shell:not(.page-shell--intro) .reading-passage-lead{align-items:flex-start;gap:8px;margin-bottom:0}.page-shell:not(.page-shell--intro) .reading-passage-lead .question-lead{margin-right:0}.page-shell:not(.page-shell--intro) .reading-passage-lead .sentence-line{transform:translateY(-2px)}.page-shell:not(.page-shell--intro) .reading-passage-options{margin-top:12px;padding-top:2px}.page-shell:not(.page-shell--intro) .reading-passage-card+.reading-passage-card{margin-top:12px}.page-shell:not(.page-shell--intro) .listening-answer-block--with-text>.question-lead.question-lead--plain>strong{display:inline-block;transform:translateY(var(--question-number-shift-plain))}.page-shell:not(.page-shell--intro) .question-lead-row>.question-lead.question-lead--plain>strong{display:inline-block;transform:translateY(var(--question-number-shift-plain))}.page-shell:not(.page-shell--intro) .question-lead-row>.question-lead.question-lead--grouped>strong{display:inline-block;transform:translateY(2.5px)}.page-shell:not(.page-shell--intro) .listening-answer-block--with-text>.question-lead.question-lead--grouped>strong,.page-shell:not(.page-shell--intro) .listening-answer-block--with-text>.question-lead.question-lead--plain-hint>strong{display:inline-block;transform:translateY(var(--question-number-shift-pinyin))}:root{--ion-color-primary: #0054e9;--ion-color-primary-rgb: 0, 84, 233;--ion-color-primary-contrast: #fff;--ion-color-primary-contrast-rgb: 255, 255, 255;--ion-color-primary-shade: #004acd;--ion-color-primary-tint: #1a65eb;--ion-color-secondary: #0163aa;--ion-color-secondary-rgb: 1, 99, 170;--ion-color-secondary-contrast: #fff;--ion-color-secondary-contrast-rgb: 255, 255, 255;--ion-color-secondary-shade: #015796;--ion-color-secondary-tint: #1a73b3;--ion-color-tertiary: #6030ff;--ion-color-tertiary-rgb: 96, 48, 255;--ion-color-tertiary-contrast: #fff;--ion-color-tertiary-contrast-rgb: 255, 255, 255;--ion-color-tertiary-shade: #542ae0;--ion-color-tertiary-tint: #7045ff;--ion-color-success: #2dd55b;--ion-color-success-rgb: 45, 213, 91;--ion-color-success-contrast: #000;--ion-color-success-contrast-rgb: 0, 0, 0;--ion-color-success-shade: #28bb50;--ion-color-success-tint: #42d96b;--ion-color-warning: #ffc409;--ion-color-warning-rgb: 255, 196, 9;--ion-color-warning-contrast: #000;--ion-color-warning-contrast-rgb: 0, 0, 0;--ion-color-warning-shade: #e0ac08;--ion-color-warning-tint: #ffca22;--ion-color-danger: #c5000f;--ion-color-danger-rgb: 197, 0, 15;--ion-color-danger-contrast: #fff;--ion-color-danger-contrast-rgb: 255, 255, 255;--ion-color-danger-shade: #ad000d;--ion-color-danger-tint: #cb1a27;--ion-color-light: #f4f5f8;--ion-color-light-rgb: 244, 245, 248;--ion-color-light-contrast: #000;--ion-color-light-contrast-rgb: 0, 0, 0;--ion-color-light-shade: #d7d8da;--ion-color-light-tint: #f5f6f9;--ion-color-medium: #636469;--ion-color-medium-rgb: 99, 100, 105;--ion-color-medium-contrast: #fff;--ion-color-medium-contrast-rgb: 255, 255, 255;--ion-color-medium-shade: #57585c;--ion-color-medium-tint: #737478;--ion-color-dark: #222428;--ion-color-dark-rgb: 34, 36, 40;--ion-color-dark-contrast: #fff;--ion-color-dark-contrast-rgb: 255, 255, 255;--ion-color-dark-shade: #1e2023;--ion-color-dark-tint: #383a3e}html.ios{--ion-default-font: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Roboto", sans-serif}html.md{--ion-default-font: "Roboto", "Helvetica Neue", sans-serif}html{--ion-dynamic-font: -apple-system-body;--ion-font-family: var(--ion-default-font)}body{background:var(--ion-background-color);color:var(--ion-text-color)}body.backdrop-no-scroll{overflow:hidden}html.ios ion-modal.modal-card ion-header ion-toolbar:first-of-type,html.ios ion-modal.modal-sheet ion-header ion-toolbar:first-of-type,html.ios ion-modal ion-footer ion-toolbar:first-of-type,html.ios ion-footer.modal-footer-moving ion-toolbar:first-of-type{padding-top:6px}html.ios ion-modal.modal-card ion-header ion-toolbar:last-of-type,html.ios ion-modal.modal-sheet ion-header ion-toolbar:last-of-type{padding-bottom:6px}html.ios ion-modal ion-toolbar,html.ios .modal-footer-moving ion-toolbar{padding-right:calc(var(--ion-safe-area-right) + 8px);padding-left:calc(var(--ion-safe-area-left) + 8px)}@media screen and (min-width:768px){html.ios ion-modal.modal-card:first-of-type{--backdrop-opacity: .18}}ion-modal.modal-default.show-modal~ion-modal.modal-default{--backdrop-opacity: 0;--box-shadow: none}html.ios ion-modal.modal-card .ion-page{border-top-left-radius:var(--border-radius)}.ion-color-primary{--ion-color-base: var(--ion-color-primary, #0054e9) !important;--ion-color-base-rgb: var(--ion-color-primary-rgb, 0, 84, 233) !important;--ion-color-contrast: var(--ion-color-primary-contrast, #fff) !important;--ion-color-contrast-rgb: var(--ion-color-primary-contrast-rgb, 255, 255, 255) !important;--ion-color-shade: var(--ion-color-primary-shade, #004acd) !important;--ion-color-tint: var(--ion-color-primary-tint, #1a65eb) !important}.ion-color-secondary{--ion-color-base: var(--ion-color-secondary, #0163aa) !important;--ion-color-base-rgb: var(--ion-color-secondary-rgb, 1, 99, 170) !important;--ion-color-contrast: var(--ion-color-secondary-contrast, #fff) !important;--ion-color-contrast-rgb: var(--ion-color-secondary-contrast-rgb, 255, 255, 255) !important;--ion-color-shade: var(--ion-color-secondary-shade, #015796) !important;--ion-color-tint: var(--ion-color-secondary-tint, #1a73b3) !important}.ion-color-tertiary{--ion-color-base: var(--ion-color-tertiary, #6030ff) !important;--ion-color-base-rgb: var(--ion-color-tertiary-rgb, 96, 48, 255) !important;--ion-color-contrast: var(--ion-color-tertiary-contrast, #fff) !important;--ion-color-contrast-rgb: var(--ion-color-tertiary-contrast-rgb, 255, 255, 255) !important;--ion-color-shade: var(--ion-color-tertiary-shade, #542ae0) !important;--ion-color-tint: var(--ion-color-tertiary-tint, #7045ff) !important}.ion-color-success{--ion-color-base: var(--ion-color-success, #2dd55b) !important;--ion-color-base-rgb: var(--ion-color-success-rgb, 45, 213, 91) !important;--ion-color-contrast: var(--ion-color-success-contrast, #000) !important;--ion-color-contrast-rgb: var(--ion-color-success-contrast-rgb, 0, 0, 0) !important;--ion-color-shade: var(--ion-color-success-shade, #28bb50) !important;--ion-color-tint: var(--ion-color-success-tint, #42d96b) !important}.ion-color-warning{--ion-color-base: var(--ion-color-warning, #ffc409) !important;--ion-color-base-rgb: var(--ion-color-warning-rgb, 255, 196, 9) !important;--ion-color-contrast: var(--ion-color-warning-contrast, #000) !important;--ion-color-contrast-rgb: var(--ion-color-warning-contrast-rgb, 0, 0, 0) !important;--ion-color-shade: var(--ion-color-warning-shade, #e0ac08) !important;--ion-color-tint: var(--ion-color-warning-tint, #ffca22) !important}.ion-color-danger{--ion-color-base: var(--ion-color-danger, #c5000f) !important;--ion-color-base-rgb: var(--ion-color-danger-rgb, 197, 0, 15) !important;--ion-color-contrast: var(--ion-color-danger-contrast, #fff) !important;--ion-color-contrast-rgb: var(--ion-color-danger-contrast-rgb, 255, 255, 255) !important;--ion-color-shade: var(--ion-color-danger-shade, #ad000d) !important;--ion-color-tint: var(--ion-color-danger-tint, #cb1a27) !important}.ion-color-light{--ion-color-base: var(--ion-color-light, #f4f5f8) !important;--ion-color-base-rgb: var(--ion-color-light-rgb, 244, 245, 248) !important;--ion-color-contrast: var(--ion-color-light-contrast, #000) !important;--ion-color-contrast-rgb: var(--ion-color-light-contrast-rgb, 0, 0, 0) !important;--ion-color-shade: var(--ion-color-light-shade, #d7d8da) !important;--ion-color-tint: var(--ion-color-light-tint, #f5f6f9) !important}.ion-color-medium{--ion-color-base: var(--ion-color-medium, #636469) !important;--ion-color-base-rgb: var(--ion-color-medium-rgb, 99, 100, 105) !important;--ion-color-contrast: var(--ion-color-medium-contrast, #fff) !important;--ion-color-contrast-rgb: var(--ion-color-medium-contrast-rgb, 255, 255, 255) !important;--ion-color-shade: var(--ion-color-medium-shade, #57585c) !important;--ion-color-tint: var(--ion-color-medium-tint, #737478) !important}.ion-color-dark{--ion-color-base: var(--ion-color-dark, #222428) !important;--ion-color-base-rgb: var(--ion-color-dark-rgb, 34, 36, 40) !important;--ion-color-contrast: var(--ion-color-dark-contrast, #fff) !important;--ion-color-contrast-rgb: var(--ion-color-dark-contrast-rgb, 255, 255, 255) !important;--ion-color-shade: var(--ion-color-dark-shade, #1e2023) !important;--ion-color-tint: var(--ion-color-dark-tint, #383a3e) !important}.ion-page{left:0;right:0;top:0;bottom:0;display:flex;position:absolute;flex-direction:column;justify-content:space-between;contain:layout size style;z-index:0}.ion-page.ion-page-overlay-passthrough{pointer-events:none}ion-modal>.ion-page{position:relative;contain:layout style;height:100%}.split-pane-visible>.ion-page.split-pane-main{position:relative}ion-route,ion-route-redirect,ion-router,ion-select-option,ion-nav-controller,ion-menu-controller,ion-action-sheet-controller,ion-alert-controller,ion-loading-controller,ion-modal-controller,ion-picker-controller,ion-popover-controller,ion-toast-controller,.ion-page-hidden{display:none!important}.ion-page-invisible{opacity:0}.can-go-back>ion-header ion-back-button{display:block}html.plt-ios.plt-hybrid,html.plt-ios.plt-pwa{--ion-statusbar-padding: 20px}@supports (padding-top: 20px){html{--ion-safe-area-top: var(--ion-statusbar-padding)}}@supports (padding-top: env(safe-area-inset-top)){html{--ion-safe-area-top: var(--safe-area-inset-top, env(safe-area-inset-top));--ion-safe-area-bottom: var(--safe-area-inset-bottom, env(safe-area-inset-bottom));--ion-safe-area-left: var(--safe-area-inset-left, env(safe-area-inset-left));--ion-safe-area-right: var(--safe-area-inset-right, env(safe-area-inset-right))}}ion-card.ion-color .ion-inherit-color,ion-card-header.ion-color .ion-inherit-color{color:inherit}.menu-content{transform:translateZ(0)}.menu-content-open{cursor:pointer;touch-action:manipulation;pointer-events:none;overflow-y:hidden}.menu-content-open ion-content{--overflow: hidden}.menu-content-open .ion-content-scroll-host{overflow:hidden}.ios .menu-content-reveal{box-shadow:-8px 0 42px #00000014}[dir=rtl].ios .menu-content-reveal{box-shadow:8px 0 42px #00000014}.md .menu-content-reveal,.md .menu-content-push{box-shadow:4px 0 16px #0000002e}ion-accordion-group.accordion-group-expand-inset>ion-accordion:first-of-type{border-top-left-radius:8px;border-top-right-radius:8px}ion-accordion-group.accordion-group-expand-inset>ion-accordion:last-of-type{border-bottom-left-radius:8px;border-bottom-right-radius:8px}ion-accordion-group>ion-accordion:last-of-type ion-item[slot=header]{--border-width: 0px}ion-accordion.accordion-animated>[slot=header] .ion-accordion-toggle-icon{transition:.3s transform cubic-bezier(.25,.8,.5,1)}@media(prefers-reduced-motion:reduce){ion-accordion .ion-accordion-toggle-icon{transition:none!important}}ion-accordion.accordion-expanding>[slot=header] .ion-accordion-toggle-icon,ion-accordion.accordion-expanded>[slot=header] .ion-accordion-toggle-icon{transform:rotate(180deg)}ion-accordion-group.accordion-group-expand-inset.md>ion-accordion.accordion-previous ion-item[slot=header]{--border-width: 0px;--inner-border-width: 0px}ion-accordion-group.accordion-group-expand-inset.md>ion-accordion.accordion-expanding:first-of-type,ion-accordion-group.accordion-group-expand-inset.md>ion-accordion.accordion-expanded:first-of-type{margin-top:0}ion-input input::-webkit-date-and-time-value{text-align:start}.ion-datetime-button-overlay{--width: fit-content;--height: fit-content}.ion-datetime-button-overlay ion-datetime.datetime-grid{width:320px;min-height:320px}[ion-last-focus],header[tabindex="-1"]:focus,[role=banner][tabindex="-1"]:focus,main[tabindex="-1"]:focus,[role=main][tabindex="-1"]:focus,h1[tabindex="-1"]:focus,[role=heading][aria-level="1"][tabindex="-1"]:focus{outline:none}.popover-viewport:has(>ion-content){overflow:hidden}@supports not selector(:has(> ion-content)){.popover-viewport{overflow:hidden}}audio,canvas,progress,video{vertical-align:baseline}audio:not([controls]){display:none;height:0}b,strong{font-weight:700}img{max-width:100%}hr{height:1px;border-width:0;box-sizing:content-box}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}label,input,select,textarea{font-family:inherit;line-height:normal}textarea{overflow:auto;height:auto;font:inherit;color:inherit}textarea::placeholder{padding-left:2px}form,input,optgroup,select{margin:0;font:inherit;color:inherit}html input[type=button],input[type=reset],input[type=submit]{cursor:pointer;-webkit-appearance:button}a,a div,a span,a ion-icon,a ion-label,button,button div,button span,button ion-icon,button ion-label,.ion-tappable,[tappable],[tappable] div,[tappable] span,[tappable] ion-icon,[tappable] ion-label,input,textarea{touch-action:manipulation}a ion-label,button ion-label{pointer-events:none}button{padding:0;border:0;border-radius:0;font-family:inherit;font-style:inherit;font-variant:inherit;line-height:1;text-transform:none;cursor:pointer;-webkit-appearance:button}[tappable]{cursor:pointer}a[disabled],button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}*{box-sizing:border-box;-webkit-tap-highlight-color:rgba(0,0,0,0);-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}html{width:100%;height:100%;-webkit-text-size-adjust:100%;text-size-adjust:100%}html.ion-ce body{display:block}html.plt-pwa{height:100vh}body{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;margin:0;padding:0;position:fixed;width:100%;max-width:100%;height:100%;max-height:100%;transform:translateZ(0);text-rendering:optimizeLegibility;overflow:hidden;touch-action:manipulation;-webkit-user-drag:none;-ms-content-zooming:none;word-wrap:break-word;overscroll-behavior-y:none;-webkit-text-size-adjust:none;text-size-adjust:none}html{font-family:var(--ion-font-family)}@supports (-webkit-touch-callout: none){html{font:var(--ion-dynamic-font, 16px var(--ion-font-family))}}a{background-color:transparent;color:var(--ion-color-primary, #0054e9)}h1,h2,h3,h4,h5,h6{margin-top:16px;margin-bottom:10px;font-weight:500;line-height:1.2}h1{margin-top:20px;font-size:1.625rem}h2{margin-top:18px;font-size:1.5rem}h3{font-size:1.375rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}small{font-size:75%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}.ion-no-padding{--padding-start: 0;--padding-end: 0;--padding-top: 0;--padding-bottom: 0;padding:0}.ion-padding{--padding-start: var(--ion-padding, 16px);--padding-end: var(--ion-padding, 16px);--padding-top: var(--ion-padding, 16px);--padding-bottom: var(--ion-padding, 16px);-webkit-padding-start:var(--ion-padding, 16px);padding-inline-start:var(--ion-padding, 16px);-webkit-padding-end:var(--ion-padding, 16px);padding-inline-end:var(--ion-padding, 16px);padding-top:var(--ion-padding, 16px);padding-bottom:var(--ion-padding, 16px)}.ion-padding-top{--padding-top: var(--ion-padding, 16px);padding-top:var(--ion-padding, 16px)}.ion-padding-start{--padding-start: var(--ion-padding, 16px);-webkit-padding-start:var(--ion-padding, 16px);padding-inline-start:var(--ion-padding, 16px)}.ion-padding-end{--padding-end: var(--ion-padding, 16px);-webkit-padding-end:var(--ion-padding, 16px);padding-inline-end:var(--ion-padding, 16px)}.ion-padding-bottom{--padding-bottom: var(--ion-padding, 16px);padding-bottom:var(--ion-padding, 16px)}.ion-padding-vertical{--padding-top: var(--ion-padding, 16px);--padding-bottom: var(--ion-padding, 16px);padding-top:var(--ion-padding, 16px);padding-bottom:var(--ion-padding, 16px)}.ion-padding-horizontal{--padding-start: var(--ion-padding, 16px);--padding-end: var(--ion-padding, 16px);-webkit-padding-start:var(--ion-padding, 16px);padding-inline-start:var(--ion-padding, 16px);-webkit-padding-end:var(--ion-padding, 16px);padding-inline-end:var(--ion-padding, 16px)}.ion-no-margin{--margin-start: 0;--margin-end: 0;--margin-top: 0;--margin-bottom: 0;margin:0}.ion-margin{--margin-start: var(--ion-margin, 16px);--margin-end: var(--ion-margin, 16px);--margin-top: var(--ion-margin, 16px);--margin-bottom: var(--ion-margin, 16px);-webkit-margin-start:var(--ion-margin, 16px);margin-inline-start:var(--ion-margin, 16px);-webkit-margin-end:var(--ion-margin, 16px);margin-inline-end:var(--ion-margin, 16px);margin-top:var(--ion-margin, 16px);margin-bottom:var(--ion-margin, 16px)}.ion-margin-top{--margin-top: var(--ion-margin, 16px);margin-top:var(--ion-margin, 16px)}.ion-margin-start{--margin-start: var(--ion-margin, 16px);-webkit-margin-start:var(--ion-margin, 16px);margin-inline-start:var(--ion-margin, 16px)}.ion-margin-end{--margin-end: var(--ion-margin, 16px);-webkit-margin-end:var(--ion-margin, 16px);margin-inline-end:var(--ion-margin, 16px)}.ion-margin-bottom{--margin-bottom: var(--ion-margin, 16px);margin-bottom:var(--ion-margin, 16px)}.ion-margin-vertical{--margin-top: var(--ion-margin, 16px);--margin-bottom: var(--ion-margin, 16px);margin-top:var(--ion-margin, 16px);margin-bottom:var(--ion-margin, 16px)}.ion-margin-horizontal{--margin-start: var(--ion-margin, 16px);--margin-end: var(--ion-margin, 16px);-webkit-margin-start:var(--ion-margin, 16px);margin-inline-start:var(--ion-margin, 16px);-webkit-margin-end:var(--ion-margin, 16px);margin-inline-end:var(--ion-margin, 16px)}.ion-align-content-start{align-content:flex-start!important}.ion-align-content-end{align-content:flex-end!important}.ion-align-content-center{align-content:center!important}.ion-align-content-between{align-content:space-between!important}.ion-align-content-around{align-content:space-around!important}.ion-align-content-stretch{align-content:stretch!important}@media(min-width:576px){.ion-align-content-sm-start{align-content:flex-start!important}.ion-align-content-sm-end{align-content:flex-end!important}.ion-align-content-sm-center{align-content:center!important}.ion-align-content-sm-between{align-content:space-between!important}.ion-align-content-sm-around{align-content:space-around!important}.ion-align-content-sm-stretch{align-content:stretch!important}}@media(min-width:768px){.ion-align-content-md-start{align-content:flex-start!important}.ion-align-content-md-end{align-content:flex-end!important}.ion-align-content-md-center{align-content:center!important}.ion-align-content-md-between{align-content:space-between!important}.ion-align-content-md-around{align-content:space-around!important}.ion-align-content-md-stretch{align-content:stretch!important}}@media(min-width:992px){.ion-align-content-lg-start{align-content:flex-start!important}.ion-align-content-lg-end{align-content:flex-end!important}.ion-align-content-lg-center{align-content:center!important}.ion-align-content-lg-between{align-content:space-between!important}.ion-align-content-lg-around{align-content:space-around!important}.ion-align-content-lg-stretch{align-content:stretch!important}}@media(min-width:1200px){.ion-align-content-xl-start{align-content:flex-start!important}.ion-align-content-xl-end{align-content:flex-end!important}.ion-align-content-xl-center{align-content:center!important}.ion-align-content-xl-between{align-content:space-between!important}.ion-align-content-xl-around{align-content:space-around!important}.ion-align-content-xl-stretch{align-content:stretch!important}}.ion-align-items-start{align-items:start!important}.ion-align-items-end{align-items:end!important}.ion-align-items-center{align-items:center!important}.ion-align-items-stretch{align-items:stretch!important}.ion-align-items-baseline{align-items:baseline!important}@media(min-width:576px){.ion-align-items-sm-start{align-items:start!important}.ion-align-items-sm-end{align-items:end!important}.ion-align-items-sm-center{align-items:center!important}.ion-align-items-sm-stretch{align-items:stretch!important}.ion-align-items-sm-baseline{align-items:baseline!important}}@media(min-width:768px){.ion-align-items-md-start{align-items:start!important}.ion-align-items-md-end{align-items:end!important}.ion-align-items-md-center{align-items:center!important}.ion-align-items-md-stretch{align-items:stretch!important}.ion-align-items-md-baseline{align-items:baseline!important}}@media(min-width:992px){.ion-align-items-lg-start{align-items:start!important}.ion-align-items-lg-end{align-items:end!important}.ion-align-items-lg-center{align-items:center!important}.ion-align-items-lg-stretch{align-items:stretch!important}.ion-align-items-lg-baseline{align-items:baseline!important}}@media(min-width:1200px){.ion-align-items-xl-start{align-items:start!important}.ion-align-items-xl-end{align-items:end!important}.ion-align-items-xl-center{align-items:center!important}.ion-align-items-xl-stretch{align-items:stretch!important}.ion-align-items-xl-baseline{align-items:baseline!important}}.ion-align-self-start{align-self:start!important}.ion-align-self-end{align-self:end!important}.ion-align-self-center{align-self:center!important}.ion-align-self-stretch{align-self:stretch!important}.ion-align-self-baseline{align-self:baseline!important}.ion-align-self-auto{align-self:auto!important}@media(min-width:576px){.ion-align-self-sm-start{align-self:start!important}.ion-align-self-sm-end{align-self:end!important}.ion-align-self-sm-center{align-self:center!important}.ion-align-self-sm-stretch{align-self:stretch!important}.ion-align-self-sm-baseline{align-self:baseline!important}.ion-align-self-sm-auto{align-self:auto!important}}@media(min-width:768px){.ion-align-self-md-start{align-self:start!important}.ion-align-self-md-end{align-self:end!important}.ion-align-self-md-center{align-self:center!important}.ion-align-self-md-stretch{align-self:stretch!important}.ion-align-self-md-baseline{align-self:baseline!important}.ion-align-self-md-auto{align-self:auto!important}}@media(min-width:992px){.ion-align-self-lg-start{align-self:start!important}.ion-align-self-lg-end{align-self:end!important}.ion-align-self-lg-center{align-self:center!important}.ion-align-self-lg-stretch{align-self:stretch!important}.ion-align-self-lg-baseline{align-self:baseline!important}.ion-align-self-lg-auto{align-self:auto!important}}@media(min-width:1200px){.ion-align-self-xl-start{align-self:start!important}.ion-align-self-xl-end{align-self:end!important}.ion-align-self-xl-center{align-self:center!important}.ion-align-self-xl-stretch{align-self:stretch!important}.ion-align-self-xl-baseline{align-self:baseline!important}.ion-align-self-xl-auto{align-self:auto!important}}.ion-justify-content-start{justify-content:flex-start!important}.ion-justify-content-end{justify-content:flex-end!important}.ion-justify-content-center{justify-content:center!important}.ion-justify-content-between{justify-content:space-between!important}.ion-justify-content-around{justify-content:space-around!important}.ion-justify-content-evenly{justify-content:space-evenly!important}@media(min-width:576px){.ion-justify-content-sm-start{justify-content:flex-start!important}.ion-justify-content-sm-end{justify-content:flex-end!important}.ion-justify-content-sm-center{justify-content:center!important}.ion-justify-content-sm-between{justify-content:space-between!important}.ion-justify-content-sm-around{justify-content:space-around!important}.ion-justify-content-sm-evenly{justify-content:space-evenly!important}}@media(min-width:768px){.ion-justify-content-md-start{justify-content:flex-start!important}.ion-justify-content-md-end{justify-content:flex-end!important}.ion-justify-content-md-center{justify-content:center!important}.ion-justify-content-md-between{justify-content:space-between!important}.ion-justify-content-md-around{justify-content:space-around!important}.ion-justify-content-md-evenly{justify-content:space-evenly!important}}@media(min-width:992px){.ion-justify-content-lg-start{justify-content:flex-start!important}.ion-justify-content-lg-end{justify-content:flex-end!important}.ion-justify-content-lg-center{justify-content:center!important}.ion-justify-content-lg-between{justify-content:space-between!important}.ion-justify-content-lg-around{justify-content:space-around!important}.ion-justify-content-lg-evenly{justify-content:space-evenly!important}}@media(min-width:1200px){.ion-justify-content-xl-start{justify-content:flex-start!important}.ion-justify-content-xl-end{justify-content:flex-end!important}.ion-justify-content-xl-center{justify-content:center!important}.ion-justify-content-xl-between{justify-content:space-between!important}.ion-justify-content-xl-around{justify-content:space-around!important}.ion-justify-content-xl-evenly{justify-content:space-evenly!important}}.ion-flex-row{flex-direction:row!important}.ion-flex-row-reverse{flex-direction:row-reverse!important}.ion-flex-column{flex-direction:column!important}.ion-flex-column-reverse{flex-direction:column-reverse!important}@media(min-width:576px){.ion-flex-sm-row{flex-direction:row!important}.ion-flex-sm-row-reverse{flex-direction:row-reverse!important}.ion-flex-sm-column{flex-direction:column!important}.ion-flex-sm-column-reverse{flex-direction:column-reverse!important}}@media(min-width:768px){.ion-flex-md-row{flex-direction:row!important}.ion-flex-md-row-reverse{flex-direction:row-reverse!important}.ion-flex-md-column{flex-direction:column!important}.ion-flex-md-column-reverse{flex-direction:column-reverse!important}}@media(min-width:992px){.ion-flex-lg-row{flex-direction:row!important}.ion-flex-lg-row-reverse{flex-direction:row-reverse!important}.ion-flex-lg-column{flex-direction:column!important}.ion-flex-lg-column-reverse{flex-direction:column-reverse!important}}@media(min-width:1200px){.ion-flex-xl-row{flex-direction:row!important}.ion-flex-xl-row-reverse{flex-direction:row-reverse!important}.ion-flex-xl-column{flex-direction:column!important}.ion-flex-xl-column-reverse{flex-direction:column-reverse!important}}.ion-wrap{flex-wrap:wrap!important}.ion-nowrap{flex-wrap:nowrap!important}.ion-wrap-reverse{flex-wrap:wrap-reverse!important}.ion-flex-wrap{flex-wrap:wrap!important}.ion-flex-nowrap{flex-wrap:nowrap!important}.ion-flex-wrap-reverse{flex-wrap:wrap-reverse!important}@media(min-width:576px){.ion-flex-sm-wrap{flex-wrap:wrap!important}.ion-flex-sm-nowrap{flex-wrap:nowrap!important}.ion-flex-sm-wrap-reverse{flex-wrap:wrap-reverse!important}}@media(min-width:768px){.ion-flex-md-wrap{flex-wrap:wrap!important}.ion-flex-md-nowrap{flex-wrap:nowrap!important}.ion-flex-md-wrap-reverse{flex-wrap:wrap-reverse!important}}@media(min-width:992px){.ion-flex-lg-wrap{flex-wrap:wrap!important}.ion-flex-lg-nowrap{flex-wrap:nowrap!important}.ion-flex-lg-wrap-reverse{flex-wrap:wrap-reverse!important}}@media(min-width:1200px){.ion-flex-xl-wrap{flex-wrap:wrap!important}.ion-flex-xl-nowrap{flex-wrap:nowrap!important}.ion-flex-xl-wrap-reverse{flex-wrap:wrap-reverse!important}}.ion-flex-1{flex:1!important}.ion-flex-auto{flex:auto!important}.ion-flex-initial{flex:initial!important}.ion-flex-none{flex:none!important}@media(min-width:576px){.ion-flex-sm-1{flex:1!important}.ion-flex-sm-auto{flex:auto!important}.ion-flex-sm-initial{flex:initial!important}.ion-flex-sm-none{flex:none!important}}@media(min-width:768px){.ion-flex-md-1{flex:1!important}.ion-flex-md-auto{flex:auto!important}.ion-flex-md-initial{flex:initial!important}.ion-flex-md-none{flex:none!important}}@media(min-width:992px){.ion-flex-lg-1{flex:1!important}.ion-flex-lg-auto{flex:auto!important}.ion-flex-lg-initial{flex:initial!important}.ion-flex-lg-none{flex:none!important}}@media(min-width:1200px){.ion-flex-xl-1{flex:1!important}.ion-flex-xl-auto{flex:auto!important}.ion-flex-xl-initial{flex:initial!important}.ion-flex-xl-none{flex:none!important}}.ion-flex-grow-0{flex-grow:0!important}.ion-flex-grow-1{flex-grow:1!important}.ion-flex-shrink-0{flex-shrink:0!important}.ion-flex-shrink-1{flex-shrink:1!important}@media(min-width:576px){.ion-flex-sm-grow-0{flex-grow:0!important}.ion-flex-sm-grow-1{flex-grow:1!important}.ion-flex-sm-shrink-0{flex-shrink:0!important}.ion-flex-sm-shrink-1{flex-shrink:1!important}}@media(min-width:768px){.ion-flex-md-grow-0{flex-grow:0!important}.ion-flex-md-grow-1{flex-grow:1!important}.ion-flex-md-shrink-0{flex-shrink:0!important}.ion-flex-md-shrink-1{flex-shrink:1!important}}@media(min-width:992px){.ion-flex-lg-grow-0{flex-grow:0!important}.ion-flex-lg-grow-1{flex-grow:1!important}.ion-flex-lg-shrink-0{flex-shrink:0!important}.ion-flex-lg-shrink-1{flex-shrink:1!important}}@media(min-width:1200px){.ion-flex-xl-grow-0{flex-grow:0!important}.ion-flex-xl-grow-1{flex-grow:1!important}.ion-flex-xl-shrink-0{flex-shrink:0!important}.ion-flex-xl-shrink-1{flex-shrink:1!important}}.ion-order-first{order:-1!important}.ion-order-0{order:0!important}.ion-order-1{order:1!important}.ion-order-2{order:2!important}.ion-order-3{order:3!important}.ion-order-4{order:4!important}.ion-order-5{order:5!important}.ion-order-6{order:6!important}.ion-order-7{order:7!important}.ion-order-8{order:8!important}.ion-order-9{order:9!important}.ion-order-10{order:10!important}.ion-order-11{order:11!important}.ion-order-12{order:12!important}.ion-order-last{order:13!important}@media(min-width:576px){.ion-order-sm-first{order:-1!important}.ion-order-sm-0{order:0!important}.ion-order-sm-1{order:1!important}.ion-order-sm-2{order:2!important}.ion-order-sm-3{order:3!important}.ion-order-sm-4{order:4!important}.ion-order-sm-5{order:5!important}.ion-order-sm-6{order:6!important}.ion-order-sm-7{order:7!important}.ion-order-sm-8{order:8!important}.ion-order-sm-9{order:9!important}.ion-order-sm-10{order:10!important}.ion-order-sm-11{order:11!important}.ion-order-sm-12{order:12!important}.ion-order-sm-last{order:13!important}}@media(min-width:768px){.ion-order-md-first{order:-1!important}.ion-order-md-0{order:0!important}.ion-order-md-1{order:1!important}.ion-order-md-2{order:2!important}.ion-order-md-3{order:3!important}.ion-order-md-4{order:4!important}.ion-order-md-5{order:5!important}.ion-order-md-6{order:6!important}.ion-order-md-7{order:7!important}.ion-order-md-8{order:8!important}.ion-order-md-9{order:9!important}.ion-order-md-10{order:10!important}.ion-order-md-11{order:11!important}.ion-order-md-12{order:12!important}.ion-order-md-last{order:13!important}}@media(min-width:992px){.ion-order-lg-first{order:-1!important}.ion-order-lg-0{order:0!important}.ion-order-lg-1{order:1!important}.ion-order-lg-2{order:2!important}.ion-order-lg-3{order:3!important}.ion-order-lg-4{order:4!important}.ion-order-lg-5{order:5!important}.ion-order-lg-6{order:6!important}.ion-order-lg-7{order:7!important}.ion-order-lg-8{order:8!important}.ion-order-lg-9{order:9!important}.ion-order-lg-10{order:10!important}.ion-order-lg-11{order:11!important}.ion-order-lg-12{order:12!important}.ion-order-lg-last{order:13!important}}@media(min-width:1200px){.ion-order-xl-first{order:-1!important}.ion-order-xl-0{order:0!important}.ion-order-xl-1{order:1!important}.ion-order-xl-2{order:2!important}.ion-order-xl-3{order:3!important}.ion-order-xl-4{order:4!important}.ion-order-xl-5{order:5!important}.ion-order-xl-6{order:6!important}.ion-order-xl-7{order:7!important}.ion-order-xl-8{order:8!important}.ion-order-xl-9{order:9!important}.ion-order-xl-10{order:10!important}.ion-order-xl-11{order:11!important}.ion-order-xl-12{order:12!important}.ion-order-xl-last{order:13!important}}