:root{color-scheme:light;--ink:#172c46;--muted:#526277;--bg:#f3f5f8;--line:#d7dfe8;--accent:#a93644;--tint:#f9eef0;--success:#25624e;--danger:#a52c3c;font:16px/1.65 system-ui,"Microsoft YaHei",sans-serif;--head:155px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}body[data-company=cnooc]{--accent:#17618c;--tint:#eaf3f9}button,input,select,textarea{font:inherit;color:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 17px;border:1px solid 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a[aria-current=page]{background:#fff;color:var(--ink)}main{max-width:1200px;margin:30px auto 50px;padding:0 24px;min-height:60vh}.surface{background:#fff;padding:26px 30px;border-radius:14px;margin:20px 0}.row,.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.row.between{justify-content:space-between}.actions{margin:16px 0}.page-heading{margin-bottom:24px}.page-heading .row{justify-content:space-between}.day-plan{display:grid;grid-template-columns:1fr 320px;gap:32px}.day-plan aside{background:var(--tint);padding:22px;border-radius:12px}.task-row,.list-row{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.task-row:last-child,.list-row:last-child{border-bottom:0}.task-row .grow,.grow{flex:1;min-width:0}.task-row h3,.list-row h3{margin:0}.task-row p,.list-row p{margin:4px 0 0}.tag{display:inline-block;background:#eaf0f7;color:#314d69;font-size:.8rem;border-radius:5px;padding:3px 8px;margin:2px 6px 2px 0}.good{color:var(--success)}.bad{color:var(--danger)}.warning{background:#fff2de;color:#654615;padding:12px 16px;border-radius:8px;margin:12px 0}.notice{background:#edf3f9;padding:14px 18px;border-radius:10px;margin:16px 0}.filters{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0;align-items:center}.filters input{flex:1;min-width:170px}.modules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px}.module{padding:22px 0;border-bottom:1px solid var(--line)}.module h2{margin:0 0 8px}.module .actions{margin-bottom:0}.progress-line{height:6px;background:#e6edf3;border-radius:4px;overflow:hidden;margin:10px 0}.progress-line span{display:block;background:var(--accent);height:100%}.question-layout{display:grid;grid-template-columns:minmax(0,1fr) 225px;gap:24px;align-items:start}.question-panel{background:white;border-radius:14px;padding:28px}.question-top{border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:24px}.question-top h1{font-size:1.15rem}.question-top .row{justify-content:space-between}.question-body{font-size:1.09rem;line-height:1.95;overflow-wrap:anywhere;min-width:0}.question-body p{margin:12px 0 18px}.question-body img{max-width:100%;height:auto;cursor:zoom-in}.question-body table{border-collapse:collapse;max-width:100%;font-size:.94rem;display:block;overflow:auto}.question-body td,.question-body th{border:1px solid #8f9eaf;padding:6px 10px}.question-body u{text-decoration-thickness:2px;text-underline-offset:4px}.material{background:#f6f8fb;padding:20px;border-radius:10px;margin:22px 0}.material h2{font-size:1rem}.option{display:flex;justify-content:flex-start;text-align:left;width:100%;gap:16px;margin:12px 0;padding:16px;font-size:1rem;min-height:64px}.option-key{border:1px solid #a9b5c3;border-radius:7px;min-width:34px;height:36px;display:grid;place-items:center}.option-content{display:block;min-width:0}.option 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.marked:after{content:'标';font-size:.6rem;color:#866312}.timer{font-weight:700;font-size:1.5rem;font-variant-numeric:tabular-nums}.table-wrap{overflow:auto}table.report{width:100%;border-collapse:collapse}table.report td,table.report th{padding:10px;border-bottom:1px solid var(--line);text-align:left}.note-unit{padding:22px 0;border-bottom:1px solid var(--line);max-width:76ch}.note-unit h2{color:var(--accent)}.note-unit dt{font-weight:650;margin-top:12px}.note-unit dd{margin:4px 0}.reader-wrap{background:#dce2e9;padding:18px;overflow:auto;max-height:75vh;border-radius:10px}.pdf-page{position:relative;margin:0 auto 18px;width:max-content;max-width:100%;background:white;box-shadow:0 3px 12px #13243a1a}.pdf-page canvas{display:block;max-width:100%;height:auto}.ink-toolbar{position:sticky;top:127px;background:#fff;padding:12px 0;z-index:12;border-bottom:1px solid var(--line);margin-bottom:15px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.ink-toolbar button{min-height:40px;padding:7px 12px}.ink-toolbar [aria-pressed=true]{background:var(--tint);border-color:var(--accent)}.ink-host{position:relative;min-height:180px}.ink-layer{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:8;touch-action:none}.ink-host.drawing>.ink-layer{pointer-events:auto}.edge-scroll{display:none;position:fixed;top:180px;bottom:24px;z-index:15;width:clamp(28px,calc((100vw - 1152px)/2),150px);background:#254c6b0a;touch-action:pan-y;align-items:center;justify-content:center;color:#506379}.edge-scroll.left{left:0}.edge-scroll.right{right:0}body.drawing .edge-scroll{display:flex}.app-footer{padding:18px 26px;border-top:1px solid var(--line);display:flex;gap:16px;justify-content:space-between;color:var(--muted);font-size:.82rem}dialog{max-width:650px;width:calc(100% - 32px);border:0;border-radius:14px;padding:28px;color:var(--ink);box-shadow:0 20px 65px #10284130;max-height:90vh;overflow:auto}dialog::backdrop{background:#0c203c70}dialog input{width:100%}.dialog-close{float:right}#image-dialog{max-width:95vw;width:auto}#large-image{display:block;max-width:none;width:auto;min-width:70vw;margin-top:16px}#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:10px;padding:13px 22px;z-index:80;max-width:90vw}summary{cursor:pointer;min-height:44px;padding:8px 0}details{margin:14px 0}hr{border:0;border-top:1px solid var(--line);margin:24px 0}.empty{padding:30px 0;color:var(--muted)}[hidden]{display:none!important}@media(max-width:900px){.day-plan{grid-template-columns:1fr}.question-layout{grid-template-columns:1fr}.navigator{position:static;max-height:none;order:-1}.navigator details:not([open]) .nav-grid{display:none}.nav-grid{grid-template-columns:repeat(10,minmax(0,1fr))}.header-inner{gap:12px}.brand span{display:none}.question-panel{padding:22px}.edge-scroll{width:28px}.ink-toolbar{top:127px}}@media(max-width:560px){:root{font-size:15px}.header-inner{flex-wrap:wrap;padding:12px 15px;gap:10px}.brand{font-size:1.1rem}.company-switch{margin-left:auto}.company-switch button{padding:6px 10px;min-height:40px}#sync-entry{font-size:.8rem;padding:5px 8px;min-height:34px}.main-nav{padding:0 12px 10px;gap:0}.main-nav a{padding:6px 12px}main{padding:0 15px;margin:22px auto}.surface,.question-panel{padding:20px 16px}.modules{grid-template-columns:1fr}.list-row,.task-row{flex-wrap:wrap;gap:10px}.task-row .grow,.list-row .grow{flex-basis:65%}.app-footer{flex-direction:column;padding:18px}.ink-toolbar{top:155px;gap:6px}.nav-grid{grid-template-columns:repeat(7,minmax(0,1fr))}.option{padding:13px;gap:12px}.reader-wrap{padding:4px}.edge-scroll{width:18px;background:#24425e0c}h1{font-size:1.45rem}dialog{padding:22px}.filters 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