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var(--brand);border-color:#0000}.mr-tab-ic{color:#fff;border-radius:6px;place-items:center;width:20px;height:20px;font-size:11px;font-weight:800;display:grid}.mr-tab.on .mr-tab-ic{background:#ffffff40}.sk-reading{background:var(--brand)}.sk-writing{background:var(--amber)}.sk-speaking{background:var(--green)}.sk-listening{background:var(--brand-2)}.mr-body{width:100%;max-width:1180px;margin:0 auto;padding:18px 20px}.mr-body.split{grid-template-columns:1fr 1fr;align-items:start;gap:20px;display:grid}@media (max-width:900px){.mr-body.split{grid-template-columns:1fr}}.mr-passage{max-height:calc(100vh - 120px);position:sticky;top:74px;overflow:auto}@media (max-width:900px){.mr-passage{max-height:none;position:static}}.mr-passage-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px}.mr-passage-card h2{margin:0 0 14px;font-size:19px}.mr-passage-card p{color:#2c2752;margin:0 0 13px;font-size:15px;line-height:1.75}.mr-questions{flex-direction:column;gap:16px;display:flex}.mr-body.split .mr-questions{max-height:calc(100vh - 120px);padding-right:4px;position:sticky;top:74px;overflow:auto}@media (max-width:900px){.mr-body.split .mr-questions{max-height:none;padding-right:0;position:static;overflow:visible}}.mr-sec-instr{color:var(--ink-soft);background:var(--surface);border-radius:var(--r-md);padding:12px 15px;font-size:13.5px}.mr-group{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:6px 18px 14px}.mr-group-label{color:var(--brand-deep);letter-spacing:.01em;padding:13px 0 4px;font-size:12.5px;font-weight:700}.mr-group-sub{color:var(--ink-soft);margin:-2px 0 10px;font-size:12.5px;font-weight:600;line-height:1.7}.mr-q{border-top:1px solid var(--line);gap:12px;padding:13px 0;display:flex}.mr-group 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var(--line-strong);background:var(--card);width:100%;color:var(--ink);padding:11px 14px;font-family:inherit;font-size:14px}.mr-input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px #ff802424}.mr-textarea{border-radius:var(--r-md);border:1.5px solid var(--line-strong);background:var(--card);width:100%;color:var(--ink);resize:vertical;padding:13px 15px;font-family:inherit;font-size:14.5px;line-height:1.65}.mr-textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px #ff802424}.mr-wordcount{text-align:right;color:var(--ink-mute);margin-top:6px;font-size:12px}.mr-speak-note{color:var(--ink-soft);background:var(--surface);border-radius:var(--r-sm);margin-bottom:9px;padding:9px 13px;font-size:12.5px}.mr-foot{z-index:30;padding:13px 22px calc(13px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid 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::selection{background:#ffd65c8c}.mr-hl{color:inherit;cursor:pointer;-webkit-box-decoration-break:clone;box-decoration-break:clone;background:#ffd65c8c;border-radius:.45em;margin:0 -.12em;padding:.08em .28em}.mr-hl:hover{background:#ffca38a6}.mr-hl.has-note{border-bottom:2px solid #d69e00bf}.mr-hl-badge{vertical-align:super;color:#a97b00;margin-left:2px;padding:1px;line-height:0;display:inline-flex}.mr-hl-pop{z-index:60;background:var(--card);border:1px solid var(--line-strong);border-radius:var(--r-sm);animation:mr-hl-pop-in .12s var(--ease);position:fixed;transform:translate(-50%,calc(-100% - 10px));box-shadow:0 12px 32px -12px #1c164047}@keyframes mr-hl-pop-in{0%{opacity:0;transform:translate(-50%,calc(-100% - 4px))}to{opacity:1;transform:translate(-50%,calc(-100% - 10px))}}.mr-hl-pop:after{content:"";background:var(--card);border-right:1px solid var(--line-strong);border-bottom:1px solid 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i.weak{background:var(--subj-reading,#e0526b)}.rf-row-v{text-align:right;font-variant-numeric:tabular-nums;font-size:13px;font-weight:800}.rf-flag{background:var(--surface);border:1px solid var(--line-strong);border-radius:12px;margin:16px 0 0;padding:14px 16px;font-size:14px;line-height:1.65}.rf-dq{margin-bottom:18px}.rf-dq:last-of-type{margin-bottom:0}.rf-q{margin-bottom:10px;font-size:15px;font-weight:800}.rf-opts{flex-wrap:wrap;gap:8px;display:flex}.rf-opt{background:var(--surface);border:1.5px solid var(--line);color:var(--ink-soft);border-radius:11px;padding:10px 16px;font-size:14px;font-weight:700;transition:all 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