.adult-course{--canvas:#f7f5f1;--paper:#fffefa;--white:#fff;--ink:#15171a;--muted:#4d535c;--subtle:#72767d;--accent:#243b63;--accent-soft:#edf1f7;--line:rgba(21,23,26,.1);--good:#265942;--good-soft:#f0f6f0;--care:#805828;--care-soft:#faf3e9;--radius:8px;--ease:cubic-bezier(.2,0,0,1);--motion-quick:80ms;--motion-control:140ms;--motion-reveal:200ms;--motion-panel:280ms;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,Arial,PingFang HK,sans-serif;color:var(--ink);background:var(--canvas);font-synthesis:none}.adult-course *{box-sizing:border-box}.adult-course{margin:0;min-width:320px}.adult-course button,.adult-course input,.adult-course select,.adult-course textarea{font:inherit}.adult-course a,.adult-course button,.adult-course input,.adult-course select,.adult-course textarea{-webkit-tap-highlight-color:transparent}.adult-course a,.adult-course button,.adult-course summary{touch-action:manipulation}.adult-course a,.adult-course button{transition:background var(--motion-control) var(--ease),border-color var(--motion-control) var(--ease),transform var(--motion-quick) var(--ease)}.adult-course button{cursor:pointer}.adult-course a{color:inherit;text-decoration:none}.adult-course .button:active,.adult-course button:active{transform:translateY(1px)}.adult-course :focus-visible{outline:3px solid #6889bc;outline-offset:4px}.adult-course a:hover{text-decoration:none}.adult-course button:disabled{cursor:not-allowed;opacity:.5}.adult-course h1,.adult-course h2,.adult-course h3,.adult-course p{margin:0}.adult-course h1{font-size:clamp(36px,4.3vw,64px);line-height:1.06;letter-spacing:-.048em;font-weight:650}.adult-course h2{font-size:28px;line-height:1.18;letter-spacing:-.025em;font-weight:620}.adult-course h3{font-size:19px;line-height:1.35;letter-spacing:-.015em}.adult-course p{line-height:1.65}.adult-course small{font-size:12px}.adult-course svg{width:20px;height:20px;flex:none}.adult-course ol,.adult-course ul{padding-left:22px}.adult-course li{line-height:1.6}.adult-course strong{font-weight:620}.adult-course .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.adult-course .skip-link{position:absolute;left:16px;top:-60px;z-index:20;background:var(--accent);color:#fff;padding:12px 16px;border-radius:8px}.adult-course .skip-link:focus{top:12px}.adult-course .site-header{height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 48px;gap:16px}.adult-course .brand{display:inline-flex;align-items:center;gap:8px;font-weight:650;font-size:18px;letter-spacing:-.6px;min-height:44px}.adult-course .brandmark{display:grid;place-items:center;width:24px;height:24px;border-radius:6px;background:var(--ink);color:var(--canvas);font-size:20px;line-height:1;font-weight:500}.adult-course .header-right{display:flex;align-items:center;gap:20px}.adult-course .preview-label{text-transform:uppercase;font-size:10px;letter-spacing:.13em;color:var(--muted)}.adult-course .preview-label span{letter-spacing:0;text-transform:none;margin-left:6px}.adult-course .text-button,.adult-course .text-link{background:none;border:0;min-height:44px;padding:8px 0;color:var(--accent);font-size:13px;display:inline-flex;align-items:center;gap:8px}.adult-course .text-button:hover,.adult-course .text-link:hover{text-decoration:underline}.adult-course .page{max-width:1256px;margin:0 auto;padding:48px 48px 72px}.adult-course .eyebrow{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:650;color:var(--accent);margin-bottom:20px}.adult-course .zh{display:block;color:var(--muted);font-size:.88em;letter-spacing:0;font-weight:400;line-height:1.55;margin-top:5px}.adult-course .body-zh{display:block;margin-top:4px;color:var(--muted);font-size:14px;line-height:1.6}.adult-course .muted{color:var(--muted)}.adult-course .subtitle{font-size:18px;line-height:1.55;color:var(--muted);margin-top:24px;max-width:520px}.adult-course .rule{height:1px;background:var(--line);margin:32px 0}.adult-course .button{min-height:48px;border:1px solid var(--accent);border-radius:8px;padding:12px 20px;font-weight:550;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-size:14px;line-height:1.4;background:var(--accent);color:#fff}.adult-course .button:hover{background:#182d4f}.adult-course .button.secondary{background:transparent;border-color:var(--line);color:var(--ink)}.adult-course .button.secondary:hover{background:#edeae4}.adult-course .button .zh{color:inherit;opacity:.8;font-size:12px;margin-top:2px}.adult-course .button.stack{display:block;text-align:left}.adult-course .button-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:28px}.adult-course .arrow{font-size:20px;font-weight:400;line-height:1}.adult-course .pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:11px;line-height:1.4}.adult-course .status-dot{width:5px;height:5px;background:var(--accent);border-radius:50%}.adult-course .hero{display:grid;grid-template-columns:1.08fr 1fr;grid-gap:88px;gap:88px;align-items:start;padding:20px 0 48px}.adult-course .hero-title-zh{font-size:24px;color:var(--muted);margin-top:16px;letter-spacing:-.025em}.adult-course .hero-actions{margin-top:32px}.adult-course .small-note{font-size:12px;line-height:1.6;color:var(--muted);margin-top:16px}.adult-course .current-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-top:4px}.adult-course .card-inner{padding:28px}.adult-course .current-card .card-topline>.pill{flex-shrink:0;white-space:nowrap}.adult-course .card-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:28px}.adult-course .overline{font-size:11px;color:var(--muted);letter-spacing:.04em}.adult-course .current-card h2{font-size:30px;max-width:320px;letter-spacing:-.03em}.adult-course .current-card h2 .zh{font-size:17px}.adult-course .scenario-preview{margin:28px 0;border-left:2px solid #a0aebf;padding:4px 0 4px 20px}.adult-course .scenario-preview p{font-size:16px;line-height:1.6}.adult-course .scenario-preview cite{font-style:normal;font-size:11px;color:var(--muted);display:block;margin-top:12px}.adult-course .card-footer{border-top:1px solid var(--line);padding:16px 28px;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#f3f3ef;font-size:12px;color:var(--muted)}.adult-course .mini-steps{display:flex;gap:5px;margin-top:28px}.adult-course .mini-steps span{height:3px;background:#e2e5e9;flex:1 1}.adult-course .mini-steps span:first-child{background:var(--accent)}.adult-course .section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.adult-course .section-heading h2{font-size:22px}.adult-course .section-heading h2 .zh{font-size:14px}.adult-course .section-heading p{font-size:12px;color:var(--muted)}.adult-course .bands{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:0;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.adult-course .band-card{padding:24px 24px 24px 0;position:relative}.adult-course .band-card+.band-card{padding-left:24px;border-left:1px solid var(--line)}.adult-course .band-number{font-size:11px;color:var(--accent);margin-bottom:12px}.adult-course .band-card h3{font-size:17px}.adult-course .band-card .zh{font-size:13px}.adult-course .band-card p{font-size:12px;color:var(--muted);margin-top:16px;line-height:1.6}.adult-course .overview-bottom{display:grid;grid-template-columns:1fr 1fr;grid-gap:48px;gap:48px;margin-top:40px}.adult-course .overview-bottom h3{font-size:14px}.adult-course .overview-bottom p{font-size:13px;color:var(--muted);margin-top:8px}.adult-course .footer-note{border-top:1px solid var(--line);padding-top:20px;margin-top:40px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between;gap:16px;line-height:1.6}.adult-course .narrow{max-width:960px}.adult-course .page-intro{max-width:650px;margin-bottom:32px}.adult-course .page-intro h1{font-size:42px}.adult-course .page-intro h1 .zh{font-size:22px;margin-top:10px}.adult-course .page-intro>p{font-size:15px;color:var(--muted);margin-top:20px}.adult-course .back-link{margin-bottom:24px}.adult-course .choice-section{margin-top:32px;border-top:1px solid var(--line);padding-top:24px}.adult-course .choice-section h2{font-size:20px;margin-bottom:16px}.adult-course .choice-section h2 .zh{font-size:14px}.adult-course .choice-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px}.adult-course .choice-card{background:var(--paper);border:1px solid var(--line);padding:20px;border-radius:8px;text-align:left;min-height:148px;display:flex;flex-direction:column;gap:10px;color:var(--ink)}.adult-course .choice-card:hover{border-color:#aeb9ca}.adult-course .choice-card[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:var(--accent-soft)}.adult-course .choice-card .choice-index{font-size:10px;font-weight:600;letter-spacing:.08em;color:var(--accent);display:flex;justify-content:space-between;gap:8px}.adult-course .choice-card strong{font-size:14px;line-height:1.4}.adult-course .choice-card .zh{font-size:12px;margin-top:0}.adult-course .choice-check{display:none}.adult-course .choice-card[aria-pressed=true] .choice-check{display:block}.adult-course .recommendation{margin-top:24px;padding:20px 24px;background:var(--accent-soft);border-radius:8px;font-size:14px;line-height:1.65}.adult-course .recommendation strong{color:var(--accent)}.adult-course .support-select{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.adult-course .support-select button{border:1px solid var(--line);border-radius:999px;background:transparent;min-height:44px;padding:8px 16px;font-size:13px}.adult-course .support-select button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}.adult-course .roadmap-layout{display:grid;grid-template-columns:1fr 320px;grid-gap:64px;gap:64px;align-items:start}.adult-course .unit-meta{display:flex;align-items:center;gap:12px;margin-bottom:16px}.adult-course .roadmap-list{list-style:none;padding:0;margin:24px 0 0}.adult-course .roadmap-list li{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.adult-course .step-number{width:28px;height:28px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:11px;color:var(--muted);flex:none}.adult-course .step-number.active{background:var(--accent);color:#fff;border-color:var(--accent)}.adult-course .step-info{flex:1 1}.adult-course .step-info strong{font-size:15px}.adult-course .step-info .zh{font-size:13px;margin-top:3px}.adult-course .step-info p{color:var(--muted);font-size:12px;margin-top:6px}.adult-course .step-support{color:var(--muted);font-size:10px;white-space:nowrap;line-height:28px}.adult-course .aside-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:24px;position:-webkit-sticky;position:sticky;top:24px}.adult-course .aside-card h3{font-size:17px}.adult-course .aside-card p{font-size:13px;color:var(--muted);margin-top:12px}.adult-course .aside-card .button{margin-top:24px;width:100%}.adult-course .aside-card details{margin-top:20px;font-size:12px;color:var(--muted)}.adult-course details{border-top:1px solid var(--line);margin-top:20px;padding-top:12px}.adult-course summary{cursor:pointer;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--accent)}.adult-course summary:after{content:"＋";font-size:16px}.adult-course details[open]>summary:after{content:"−"}.adult-course details>div,.adult-course details>p{margin-top:8px;margin-bottom:12px}.adult-course details li{font-size:13px}.adult-course .focus-header{padding:0 32px}.adult-course .focus-layout{display:grid;grid-template-columns:232px minmax(0,1fr);max-width:1440px;margin:0 auto;min-height:calc(100vh - 64px)}.adult-course .focus-sidebar{border-right:1px solid var(--line);padding:32px 24px}.adult-course .focus-unit{font-size:13px;line-height:1.5;font-weight:600;margin-bottom:28px}.adult-course .focus-unit .zh{font-size:12px}.adult-course .stage-nav{list-style:none;padding:0;margin:0}.adult-course .stage-nav li{padding:12px 0;display:flex;align-items:start;gap:10px;font-size:12px;color:var(--muted);line-height:1.45}.adult-course .stage-nav li.current{color:var(--accent);font-weight:600}.adult-course .stage-nav .nav-dot{width:16px;height:16px;border:1px solid #bfc5ce;border-radius:50%;flex:none;font-size:10px;display:grid;place-items:center;margin-top:1px}.adult-course .stage-nav li.current .nav-dot{border:4px solid var(--accent)}.adult-course .stage-nav li.done .nav-dot{background:var(--accent);border-color:var(--accent);color:#fff}.adult-course .stage-nav .zh{font-size:11px;margin-top:2px}.adult-course .sidebar-note{border-top:1px solid var(--line);margin-top:28px;padding-top:20px;font-size:11px;line-height:1.65;color:var(--muted)}.adult-course .focus-topline{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:28px;font-size:11px;color:var(--muted)}.adult-course .focus-progress{display:none}.adult-course .focus-main h1{font-size:36px;letter-spacing:-.035em}.adult-course .focus-main h1 .zh{font-size:19px;margin-top:8px}.adult-course .task-instruction{margin-top:16px;color:var(--muted);font-size:15px;line-height:1.6}.adult-course .task-instruction .zh{font-size:13px}.adult-course .task-content{margin-top:28px}.adult-course .content-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:24px}.adult-course .context-label{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}.adult-course .context-prop{display:grid;grid-template-columns:72px 1fr;grid-gap:12px;gap:12px;font-size:15px;padding:12px 0;border-top:1px solid var(--line)}.adult-course .context-prop:first-of-type{border-top:0}.adult-course .context-prop dt{color:var(--muted);font-size:12px;line-height:24px}.adult-course .context-prop dd{margin:0;line-height:1.6}.adult-course .dialogue-line{display:grid;grid-template-columns:88px 1fr;grid-gap:16px;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.adult-course .dialogue-line:last-child{border-bottom:0}.adult-course .dialogue-speaker{font-size:11px;color:var(--muted);padding-top:3px}.adult-course .dialogue-text{font-size:17px;line-height:1.55}.adult-course .media-note{font-size:11px;color:var(--muted);padding:12px 0 0;line-height:1.65}.adult-course .phrase-row{border-bottom:1px solid var(--line);padding:16px 0;display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}.adult-course .phrase-row:first-child{padding-top:0}.adult-course .phrase-row:last-child{border:0;padding-bottom:0}.adult-course .phrase-row strong{font-size:16px}.adult-course .phrase-row p{font-size:13px;color:var(--muted)}.adult-course .notice-box{background:var(--accent-soft);padding:20px;border-radius:8px;margin-top:20px;font-size:14px;line-height:1.7}.adult-course .worked-label{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}.adult-course .worked-text{font-size:17px;line-height:1.8;white-space:pre-line}.adult-course .worked-explain{font-size:13px;line-height:1.7;color:var(--muted);margin-top:12px}.adult-course .practice-counter{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.adult-course .practice-counter span{font-size:11px;color:var(--muted)}.adult-course .practice-counter .segments{display:flex;gap:4px;max-width:180px;flex:1 1}.adult-course .segments i{height:3px;background:#dce1e9;flex:1 1}.adult-course .segments i.active{background:var(--accent)}.adult-course .question-text{font-size:21px;line-height:1.45;letter-spacing:-.015em;font-weight:580;margin-bottom:20px}.adult-course .question-text .zh{font-size:14px;line-height:1.6;margin-top:8px}.adult-course .option-list{display:grid;grid-gap:10px;gap:10px}.adult-course .option{background:var(--paper);border:1px solid var(--line);padding:16px;border-radius:8px;min-height:56px;text-align:left;display:flex;align-items:center;gap:14px;color:var(--ink);line-height:1.55;font-size:15px}.adult-course .option:hover{border-color:#acb9cc;background:#f5f6f7}.adult-course .option[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.adult-course .option-letter{display:grid;place-items:center;border:1px solid #c4c9d1;border-radius:50%;width:24px;height:24px;font-size:10px;color:var(--muted);flex:none}.adult-course .option[aria-pressed=true] .option-letter{background:var(--accent);border-color:var(--accent);color:#fff}.adult-course .feedback{border-radius:8px;padding:16px 20px;margin-top:16px;font-size:14px;line-height:1.7;border:1px solid transparent}.adult-course .feedback.good{background:var(--good-soft);border-color:#cbdccd;color:var(--good)}.adult-course .feedback.care{background:var(--care-soft);border-color:#e9d9bd;color:var(--care)}.adult-course .feedback .zh{color:inherit;font-size:12px}.adult-course .feedback strong{display:block;margin-bottom:4px}.adult-course .focus-actions{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:24px;margin-top:24px;border-top:1px solid var(--line)}.adult-course .focus-actions .button{margin-left:auto}.adult-course .save-caption{font-size:10px;line-height:1.65;color:var(--muted);max-width:200px}.adult-course .help-panel{margin-top:20px}.adult-course .help-panel .phrase-chip{display:block;font-size:14px;padding:10px 0;border-top:1px solid var(--line);line-height:1.6}.adult-course .writing-prompt{font-size:15px;line-height:1.7;margin-bottom:20px}.adult-course .writing-prompt .zh{font-size:13px}.adult-course .field-label{font-size:13px;font-weight:600;display:block;margin-bottom:10px;line-height:1.55}.adult-course .field-label .zh{font-size:12px}.adult-course textarea{background:var(--paper);border:1px solid #bcc3cb;border-radius:8px;width:100%;resize:vertical;min-height:148px;padding:16px;font-size:16px;line-height:1.8;color:var(--ink)}.adult-course textarea::placeholder{color:#777d86}.adult-course .character-note{margin-top:8px;font-size:11px;color:var(--muted)}.adult-course .review-items{display:grid;grid-gap:12px;gap:12px}.adult-course .review-item{display:block;background:var(--paper);border:1px solid var(--line);padding:16px 20px;border-radius:8px}.adult-course .review-item legend{padding:0;font-size:14px;font-weight:500;line-height:1.6}.adult-course .review-item fieldset{margin:0;padding:0;border:0}.adult-course .review-options{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px}.adult-course .review-options label{display:flex;align-items:center;gap:8px;min-height:44px;font-size:12px;cursor:pointer}.adult-course .review-options input{width:18px;height:18px;accent-color:var(--accent);margin:0}.adult-course .honesty-note{margin-top:20px;background:var(--accent-soft);padding:16px 20px;font-size:12px;line-height:1.7;color:var(--accent);border-radius:8px}.adult-course .previous-draft{padding:16px;background:#efece5;border-radius:8px;margin:16px 0;font-size:14px;white-space:pre-wrap;line-height:1.7}.adult-course .inline-error{font-size:13px;line-height:1.6;color:#904629;margin-top:12px}.adult-course .complete-layout{display:grid;grid-template-columns:1.15fr 1fr;grid-gap:72px;gap:72px}.adult-course .completion-mark{width:44px;height:44px;border:1px solid #bfc9d8;display:grid;place-items:center;border-radius:50%;color:var(--accent);font-size:20px;margin-bottom:28px}.adult-course .complete-layout h1{font-size:46px}.adult-course .complete-layout h1 .zh{font-size:23px;margin-top:12px}.adult-course .completion-summary{padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:8px;margin-top:28px}.adult-course .summary-row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.65}.adult-course .summary-row:last-child{border:0}.adult-course .summary-row .value{text-align:right;font-weight:550;max-width:55%}.adult-course .next-card{background:var(--accent-soft);padding:28px;border-radius:8px;margin-top:72px}.adult-course .next-card h2{margin-top:16px;font-size:25px}.adult-course .next-card h2 .zh{font-size:16px}.adult-course .next-card p{font-size:13px;color:var(--muted);margin-top:16px}.adult-course .next-card .button{margin-top:24px;width:100%}.adult-course .revisit{margin-top:24px;padding:24px;border:1px solid var(--line);border-radius:8px}.adult-course .revisit h3{font-size:16px}.adult-course .revisit p{font-size:13px;color:var(--muted);margin-top:10px}.adult-course .completion-details{margin-top:32px}.adult-course .design-details{max-width:1160px;margin:0 auto 28px;padding:0 48px;color:var(--muted);font-size:11px}.adult-course .design-details summary{font-size:11px;min-height:44px;color:var(--muted)}.adult-course .design-details .surface-links{display:flex;gap:12px;flex-wrap:wrap}.adult-course .surface-links a{min-height:44px;display:inline-flex;align-items:center;text-decoration:underline}.adult-course .toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;border-radius:8px;padding:14px 20px;font-size:13px;z-index:30;max-width:calc(100% - 32px);box-shadow:0 6px 30px #15171a22}.adult-course .empty-state{padding:32px;border:1px solid var(--line);border-radius:8px;background:var(--paper);line-height:1.8}.adult-course .reading-mode .dialogue-text,.adult-course .reading-mode .worked-text{font-size:20px}.adult-course .reading-mode .task-instruction{font-size:17px}.adult-course .reading-mode .dialogue-line{grid-template-columns:1fr;gap:4px}.adult-course .top-support{font-size:11px;border:1px solid var(--line);padding:6px 10px;border-radius:999px;background:transparent;min-height:44px;color:var(--muted)}.adult-course .top-support:hover{background:var(--accent-soft)}@media(min-width:1440px){.adult-course .hero{gap:112px}.adult-course .page{padding-top:56px}.adult-course .focus-main{padding-top:40px}}@media(max-width:1100px){.adult-course .hero{gap:40px}.adult-course .focus-main{padding:32px}.adult-course .roadmap-layout{gap:32px}.adult-course .complete-layout{gap:40px}.adult-course .page{padding-left:32px;padding-right:32px}.adult-course .site-header{padding:0 32px}.adult-course .band-card{padding-right:16px}.adult-course .band-card+.band-card{padding-left:16px}}@media(max-width:760px){.adult-course .site-header{padding:0 20px;height:64px}.adult-course .brand{font-size:17px}.adult-course .header-right{gap:12px}.adult-course .preview-label{font-size:9px;letter-spacing:.07em}.adult-course .preview-label span{display:none}.adult-course .header-right>.text-link{font-size:11px;max-width:105px;text-align:right;line-height:1.5}.adult-course .page{padding:28px 20px 40px}.adult-course .hero{display:block;padding:8px 0 36px}.adult-course .eyebrow{font-size:10px;letter-spacing:.12em;margin-bottom:16px}.adult-course h1{font-size:43px;letter-spacing:-.045em}.adult-course .hero-title-zh{font-size:22px;margin-top:12px}.adult-course .subtitle{font-size:15px;margin-top:20px}.adult-course .hero-actions{margin-top:24px}.adult-course .hero-actions .button{width:100%}.adult-course .small-note{font-size:11px;margin-top:12px}.adult-course .current-card{margin-top:32px}.adult-course .card-inner{padding:24px}.adult-course .card-topline{margin-bottom:20px}.adult-course .current-card h2{font-size:26px}.adult-course .current-card h2 .zh{font-size:15px}.adult-course .scenario-preview{margin:24px 0 0}.adult-course .card-footer{padding:16px 24px;font-size:11px}.adult-course .section-heading{align-items:start}.adult-course .section-heading h2{font-size:20px}.adult-course .section-heading p{font-size:11px;max-width:95px;text-align:right}.adult-course .bands{grid-template-columns:1fr 1fr}.adult-course .band-card,.adult-course .band-card+.band-card{padding:20px 12px 20px 0;border-left:0}.adult-course .band-card:nth-child(2n){padding-left:20px;border-left:1px solid var(--line)}.adult-course .band-card:nth-child(-n+2){border-bottom:1px solid var(--line)}.adult-course .band-card h3{font-size:16px}.adult-course .overview-bottom{grid-template-columns:1fr;gap:24px;margin-top:28px}.adult-course .footer-note{display:block;margin-top:28px}.adult-course .footer-note>span{display:block;margin-bottom:8px}.adult-course .page-intro h1{font-size:32px}.adult-course .page-intro h1 .zh{font-size:19px}.adult-course .page-intro>p{font-size:14px}.adult-course .back-link{margin-bottom:16px}.adult-course .choice-section{margin-top:24px;padding-top:20px}.adult-course .choice-section h2{font-size:18px}.adult-course .choice-grid{grid-template-columns:1fr;gap:8px}.adult-course .choice-card{min-height:112px;padding:16px;gap:6px}.adult-course .choice-card strong{font-size:14px}.adult-course .choice-card .zh{font-size:12px}.adult-course .choice-card .choice-index{font-size:9px}.adult-course .recommendation{padding:16px;font-size:13px}.adult-course .support-select{gap:6px}.adult-course .support-select button{font-size:12px;padding:8px 12px}.adult-course .button-row .button{width:100%}.adult-course .roadmap-layout{grid-template-columns:1fr;gap:28px}.adult-course .roadmap-list{margin-top:16px}.adult-course .roadmap-list li{gap:12px;padding:16px 0}.adult-course .step-support{font-size:9px;max-width:72px;line-height:1.5;text-align:right;padding-top:4px;white-space:normal}.adult-course .aside-card{position:static;padding:20px}.adult-course .focus-header{padding:0 16px}.adult-course .focus-header .preview-label{display:none}.adult-course .focus-header .header-right>.text-link{font-size:12px;max-width:none}.adult-course .focus-layout{display:block;min-height:calc(100vh - 64px)}.adult-course .focus-sidebar{display:none}.adult-course .focus-main{padding:20px 20px 28px;max-width:none}.adult-course .focus-topline{margin-bottom:16px;font-size:10px;gap:8px}.adult-course .focus-topline .pill{font-size:10px;padding:5px 8px}.adult-course .top-support{font-size:10px;padding:6px 8px}.adult-course .focus-progress{display:flex;gap:4px;margin:0 0 24px}.adult-course .focus-progress i{height:3px;flex:1 1;background:#dce1e9}.adult-course .focus-progress i.active{background:var(--accent)}.adult-course .focus-main h1{font-size:29px;line-height:1.16}.adult-course .focus-main h1 .zh{font-size:17px;margin-top:7px}.adult-course .task-instruction{font-size:14px;margin-top:14px}.adult-course .task-instruction .zh{font-size:12px}.adult-course .task-content{margin-top:20px}.adult-course .content-card{padding:20px}.adult-course .dialogue-line{grid-template-columns:1fr;gap:4px;padding:12px 0}.adult-course .dialogue-speaker{font-size:10px}.adult-course .dialogue-text{font-size:16px;line-height:1.65}.adult-course .context-prop{grid-template-columns:54px 1fr;gap:8px;font-size:14px}.adult-course .context-prop dt{font-size:11px}.adult-course .phrase-row{grid-template-columns:1fr;gap:8px;padding:14px 0}.adult-course .phrase-row strong{font-size:15px}.adult-course .notice-box{padding:16px;font-size:13px}.adult-course .worked-text{font-size:16px}.adult-course .question-text{font-size:19px}.adult-course .question-text .zh{font-size:13px}.adult-course .option{padding:14px 12px;gap:10px;font-size:14px;min-height:56px}.adult-course .option-letter{width:22px;height:22px}.adult-course .focus-actions{padding-top:20px;margin-top:20px;flex-wrap:wrap;gap:12px}.adult-course .focus-actions .button{width:100%;order:-1;margin:0}.adult-course .save-caption{max-width:none;font-size:10px}.adult-course .focus-actions .text-button{margin-left:auto;font-size:12px}.adult-course .feedback{padding:14px 16px;font-size:13px}.adult-course .feedback .zh{font-size:12px}.adult-course .writing-prompt{font-size:14px}.adult-course .review-item{padding:16px}.adult-course .review-item legend{font-size:13px}.adult-course .review-options{gap:12px;margin-top:8px}.adult-course .review-options label{font-size:11px;gap:6px}.adult-course .complete-layout{display:block}.adult-course .complete-layout h1{font-size:36px}.adult-course .complete-layout h1 .zh{font-size:21px}.adult-course .completion-mark{margin-bottom:20px}.adult-course .completion-summary{padding:16px;margin-top:24px}.adult-course .summary-row{font-size:12px;gap:12px}.adult-course .next-card{margin-top:28px;padding:24px}.adult-course .next-card h2{font-size:24px}.adult-course .revisit{padding:20px}.adult-course .design-details{padding:0 20px;margin-bottom:20px}.adult-course .reading-mode .dialogue-text,.adult-course .reading-mode .worked-text{font-size:18px}.adult-course .reading-mode .task-instruction{font-size:16px}}@media(max-width:380px){.adult-course .page{padding-left:16px;padding-right:16px}.adult-course .site-header{padding:0 16px}.adult-course h1{font-size:39px}.adult-course .hero-title-zh{font-size:21px}.adult-course .focus-main{padding-left:16px;padding-right:16px}.adult-course .focus-main h1{font-size:27px}.adult-course .focus-topline{flex-wrap:wrap}.adult-course .content-card{padding:16px}.adult-course .preview-label{font-size:8px}.adult-course .brand{font-size:16px}.adult-course .band-card h3{font-size:15px}.adult-course .review-options{gap:8px}.adult-course .review-options label{font-size:10px}.adult-course .header-right{gap:8px}}@media(prefers-reduced-motion:reduce){.adult-course *,.adult-course :after,.adult-course :before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.adult-course{min-height:100vh;font-size:16px;line-height:normal;letter-spacing:normal}.adult-course .adult-utilities{position:relative;border:0;margin:0;padding:0}.adult-course .adult-utilities summary{font-size:11px}.adult-course .adult-utilities nav{position:absolute;right:0;top:44px;z-index:40;min-width:200px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px #15171a12;display:grid}.adult-course .adult-utilities nav a,.adult-course .adult-utilities nav button{display:block;text-align:left;min-height:44px;padding:12px;border:0;background:transparent;font-size:13px;color:var(--ink)}.adult-course .language-switch{border:0;background:transparent;padding:0;gap:8px}.adult-course .language-switch button{background:transparent;color:var(--muted);padding:6px 0;min-width:0;min-height:44px;font-size:10px;border-radius:0;box-shadow:none}.adult-course .language-switch button[aria-pressed=true]{color:var(--ink);text-decoration:underline}.adult-course .subtitle{white-space:pre-line}.adult-course .adult-focus-language{display:flex;justify-content:flex-end;gap:12px;align-items:center}.adult-course .adult-focus-language details{margin:0;border:0;padding:0}.adult-course .adult-focus-language select{font-size:12px;border:1px solid var(--line);border-radius:8px;min-height:44px;background:var(--paper);padding:8px;color:var(--ink);max-width:200px}.adult-course .focus-shell{background:var(--canvas);font:inherit;color:var(--ink)}.adult-course .focus-header{background:var(--canvas);padding:16px 32px;border-bottom:1px solid var(--line);height:auto;min-height:88px}.adult-course .focus-title-group h1{font-size:18px;line-height:1.35;font-weight:620;letter-spacing:-.015em}.adult-course .focus-title-group>span{font-size:11px;color:var(--muted)}.adult-course .focus-main{width:100%;max-width:912px;padding:36px 56px 40px;margin:0 auto}.adult-course .focus-progress{display:inline-flex}.adult-course .focus-header button{background:transparent;color:var(--accent);border-color:var(--line)}.adult-course .focus-progress-track span{background:var(--accent)}.adult-course .adult-step-title{font-size:36px;line-height:1.18;letter-spacing:-.035em;margin-top:20px}.adult-course .adult-step-title .zh{font-size:19px}.adult-course .primary-action{background:var(--accent);color:#fff;border-color:var(--accent)}.adult-course .adult-step .content-card{margin-top:24px}.adult-course .adult-step .dialogue-line{margin:0}.adult-course .adult-step pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit}.adult-course .adult-step label textarea{margin-top:10px}.adult-course .adult-step .review-item{margin-bottom:12px}.adult-course .adult-step .review-item legend{float:left;width:100%;margin-bottom:8px}.adult-course .adult-step .review-options{clear:both}.adult-course .adult-step .review-item input{width:18px;height:18px}.adult-course .adult-step .field-label{margin-top:20px}.adult-course .adult-step .focus-actions{position:static}.adult-course .adult-step .speaking-recorder{margin:20px 0;background:var(--paper);border:1px solid var(--line)}.adult-course .adult-step .speaking-recorder button{font-size:12px;min-height:44px}.adult-course .adult-step .speaking-recorder .speaking-timer-grid{grid-template-columns:1fr 1fr}.adult-course .adult-step textarea{max-width:100%}.adult-course .adult-step .help-panel summary{justify-content:flex-start}.adult-course .adult-step .help-panel summary:after{margin-left:auto}.adult-course .adult-save-error{border:1px solid #e9d9bd;padding:16px;background:var(--care-soft);color:var(--care);border-radius:8px;margin-bottom:20px}.adult-course .adult-save-error button{display:block;margin-top:12px}@media(max-width:760px){.adult-course .focus-header{padding:12px 20px}.adult-course .focus-main{padding:24px 20px 40px}.adult-course .adult-step-title{font-size:30px}.adult-course .focus-status-group{flex-wrap:wrap}.adult-course .focus-title-group h1{font-size:16px}.adult-course .adult-step .speaking-recorder .speaking-timer-grid{grid-template-columns:1fr}.adult-course .focus-header .focus-progress{display:none}}@media(max-width:380px){.adult-course .focus-header{padding:12px 16px}.adult-course .focus-main{padding:20px 16px 32px}.adult-course .site-header{padding:0 16px}.adult-course .header-right{gap:8px}}.adult-course .adult-preserve-lines{white-space:pre-line}.adult-course .adult-inline>.zh{display:inline;font-size:inherit;line-height:inherit;margin-top:0;color:inherit}.adult-course .adult-inline>.zh:before{content:" · "}.adult-course .adult-overview .small-note>.zh{font-size:inherit;line-height:inherit;margin-top:0}.adult-course .adult-overview .card-footer>span>.zh{font-size:inherit;line-height:inherit;margin-top:0;color:inherit}.adult-course .adult-overview .section-heading{flex-direction:row}.adult-course .adult-overview .section-heading>p>.zh{font-size:inherit;line-height:inherit;margin-top:0}.adult-course .adult-overview .footer-note>span{flex:1 1}.adult-course .adult-overview .footer-note>span>.zh{font-size:inherit;line-height:inherit;margin-top:0;color:inherit}.adult-course .adult-available{margin-top:36px}.adult-course .adult-available h2{font-size:20px}.adult-course .adult-available h2>.zh{font-size:14px}.adult-course .adult-available-list{padding:0;margin:20px 0 0;list-style:none;border-top:1px solid var(--line)}.adult-course .adult-available-list li{border-bottom:1px solid var(--line)}.adult-course .adult-available-list a{display:flex;align-items:center;gap:20px;padding:16px 0;min-height:64px;font-size:15px}.adult-course .adult-available-list a:hover{color:var(--accent)}.adult-course .adult-available-list a>span:nth-child(2){flex:1 1}.adult-course .adult-unit-number{font-size:11px;color:var(--accent);flex:none;min-width:20px}.adult-course .adult-available-action{font-size:11px;color:var(--muted);text-align:right}.adult-course .adult-course-map{padding:0;list-style:none}.adult-course .adult-course-map li{display:grid;grid-template-columns:24px 1fr auto;grid-gap:16px;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}.adult-course .adult-course-map a:hover{text-decoration:underline}.adult-course .adult-map-status{font-size:11px;color:var(--muted);text-align:right}.adult-course .adult-start .back-link>.zh,.adult-course .adult-unit .back-link>.zh{display:inline;font-size:inherit;margin-top:0}.adult-course .adult-start .back-link>.zh:before,.adult-course .adult-unit .back-link>.zh:before{content:" · "}.adult-course .adult-start .choice-card strong>.zh{margin-top:10px}.adult-course .adult-start .support-select button>.zh{font-size:11px;color:inherit}.adult-course .adult-start .adult-band-select{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.adult-course .adult-start .adult-band-select button{border-radius:8px;text-align:left}.adult-course .adult-start .recommendation>strong{display:block}.adult-course .adult-start .recommendation>p{margin-top:12px}.adult-course .adult-start textarea{min-height:100px}.adult-course .adult-unit .unit-meta>.pill{white-space:nowrap}.adult-course .adult-unit .roadmap-list li{list-style:none}@media(max-width:760px){.adult-course .adult-available{margin-top:28px}.adult-course .adult-available-list a{gap:12px;font-size:14px}.adult-course .adult-available-action{max-width:85px;font-size:10px}.adult-course .adult-course-map li{gap:8px;grid-template-columns:20px 1fr auto}.adult-course .adult-start .adult-band-select{grid-template-columns:1fr 1fr}}.adult-course .section-heading span{font:inherit;text-transform:none;color:inherit}.adult-course .section-heading h2>.zh{font-size:14px;font-weight:400;line-height:1.55;color:var(--muted)}@media(max-width:760px){.adult-course .focus-header .focus-pause{display:inline-flex;align-items:center;min-height:44px}.adult-course .focus-header .focus-status-group{display:flex}.adult-course .focus-header .focus-progress{display:inline-flex}}.adult-course .adult-inline>.zh{font-weight:inherit;letter-spacing:inherit}