:root{--ink:#202a25;--muted:#617068;--green:#315d45;--line:#d5dbd4;--paper:#f8f8f4;--surface:#fff;--focus:#b45316;--danger:#9c3427;--font:ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
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p{margin-top:10px}.content-page>details{margin-top:20px}footer{max-width:1100px;padding:20px 36px 26px;margin:auto;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}.policy{max-width:800px;margin:auto;padding:40px 28px}.policy p,.policy li{line-height:1.9}.policy h2{margin-top:32px}#global-notice{position:fixed;z-index:60;left:50%;top:58px;transform:translateX(-50%);max-width:min(650px,92vw);padding:10px 18px;background:#fdf7e8;border:1px solid #bda66d;border-radius:4px;font-size:14px;box-shadow:0 4px 18px #0001}dialog{max-width:520px;width:calc(100vw - 32px);border:1px solid var(--line);border-radius:6px;padding:28px;line-height:1.8;color:var(--ink);background:var(--paper)}dialog::backdrop{background:#18251e80}dialog h2{margin-bottom:12px}dialog pre{background:white;border:1px solid var(--line);padding:12px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px}dialog .check-control{margin:20px 0 12px}dialog .primary{width:100%}.check-control{display:inline-flex;align-items:center;gap:6px;font-size:14px;white-space:nowrap;cursor:pointer}
/* The score surface owns the viewport. Secondary text and notes stay in a drawer. */
body.viewing{overflow:hidden}.viewing .masthead{height:44px;padding:0 16px;gap:24px}.viewing .brand{font-size:17px}.viewing #site-footer{display:none}#workspace{height:calc(100dvh - 44px);display:flex;flex-direction:column;position:relative;background:#e8ebe6;min-height:0}#workspace:fullscreen{height:100dvh;width:100vw}.workspace-bar{height:44px;min-height:44px;padding:5px 12px;display:flex;align-items:center;gap:14px;background:var(--paper);border-bottom:1px solid var(--line)}.workspace-bar h1{font:600 16px/1.4 var(--font);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:60px}.workspace-bar button{padding:5px 9px}.workspace-tools{display:flex;align-items:center;gap:10px}.comparison{display:grid;grid-template-columns:1fr 1fr;flex:1;min-height:0;gap:1px;background:#aab5aa}.score-pane{display:flex;flex-direction:column;min-height:0;min-width:0;position:relative;background:#e8ebe6}.pane-toolbar{height:39px;min-height:39px;background:#f3f5ef;display:flex;align-items:center;gap:12px;padding:4px 10px;border-bottom:1px solid var(--line);font-size:14px}.pane-toolbar strong{white-space:nowrap;font-size:14px;flex:none}.page-controls,.zoom-controls{display:flex;align-items:center;gap:4px}.page-controls label,.zoom-controls label{display:flex;align-items:center;gap:3px;white-space:nowrap}.zoom-controls{margin-left:auto}.pane-toolbar button{padding:2px 7px;min-width:27px;height:28px;font-size:16px}.pane-toolbar input{appearance:textfield;-moz-appearance:textfield;width:42px;height:28px;padding:3px 2px;text-align:center;font-size:14px}.pane-toolbar input::-webkit-inner-spin-button,.pane-toolbar input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.zoom-controls input{width:46px}.pane-toolbar 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button{background:white}.marks{position:absolute;inset:0;pointer-events:none;line-height:1}.mark{position:absolute;transform:translate(-50%,-50%);width:27px;height:27px;background:#fff8c4;border:2px solid #573b09;color:#352600;border-radius:50%;display:flex;align-items:center;justify-content:center;font:600 13px/1 var(--font);box-shadow:0 1px 3px #0003}.roi{position:absolute;border:2px dashed #465647;pointer-events:none;line-height:1.2}.roi span{position:absolute;bottom:100%;left:0;background:#fff;border:1px solid #465647;font:12px/1.4 var(--font);padding:1px 4px;white-space:nowrap}.marking .image-scroll{cursor:crosshair}.workspace-status{min-height:28px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:2px 12px;background:var(--paper);border-top:1px solid var(--line);font-size:12px;line-height:1.4;color:var(--muted)}.workspace-status button{font-size:12px;padding:2px 8px}.workspace-status #progress-status{margin-left:auto;white-space:nowrap}.workspace-status #compact-feedback{color:var(--green)}.task-prompt-line{background:var(--paper);padding:5px 12px;display:flex;align-items:center;gap:10px;font-size:14px;border-bottom:1px solid var(--line)}.task-prompt-line strong{flex:1;font-weight:500}.task-prompt-line button{padding:3px 7px;font-size:13px}.task-prompt-line span{font-size:13px;white-space:nowrap}.task-help{padding:10px 18px;background:#f7f8f2;max-height:180px;overflow:auto;font-size:14px;border-bottom:1px solid var(--line)}.task-help p{margin-bottom:8px}.mobile-side-tabs{display:none}.feedback-drawer{position:absolute;z-index:20;top:44px;right:0;bottom:28px;width:370px;max-width:100%;overflow:auto;overscroll-behavior:contain;background:var(--paper);border-left:1px solid #aab5aa;box-shadow:-6px 0 20px #10201415;padding:18px 20px 28px;line-height:1.7}.drawer-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.drawer-heading h2{font-size:21px;margin:0}.drawer-heading button{font-size:13px;padding:4px 7px}.feedback-drawer>p{margin-top:14px;margin-bottom:14px}.feedback-drawer #remaining-pages{font-size:14px;margin-bottom:8px}.complete-check{white-space:normal;align-items:flex-start;line-height:1.65;font-size:14px}.complete-check input{margin-top:4px}.verdict-choices{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 8px}.verdict-choices button:first-child{width:100%}.verdict-choices button{flex:1;font-size:14px}.feedback-drawer fieldset{border:0;padding:0;margin:16px 0}.feedback-drawer legend{font-size:15px;margin-bottom:10px}.task-choices{display:grid;grid-template-columns:1fr 1fr;gap:8px}.note-label{display:block;font-size:15px;margin:18px 0 8px}.feedback-drawer textarea{font-size:16px}.marks-heading{display:flex;justify-content:space-between;align-items:center;margin-top:18px;gap:8px}.marks-heading h3{margin:0}.marks-heading button{font-size:13px;padding:4px 7px}#mark-help{margin-top:8px;font-size:13px}.mark-list{list-style:none;padding:0;margin:0}.mark-list li{display:flex;align-items:flex-start;gap:8px;border-bottom:1px solid var(--line);padding:9px 0;font-size:13px}.mark-list .mark-location{width:62px;flex:none;padding-top:5px}.mark-list input{font-size:14px;flex:1;padding:5px 7px;min-width:0}.mark-list button{padding:4px 6px;flex:none}.mark-list:empty::after{content:'暂无标记';font-size:14px;color:var(--muted)}.submit-area{margin-top:24px}.submit-area>.primary{min-height:38px;width:100%}.submit-area>button+button{margin-top:8px}#save-status{margin:10px 0 0;font-size:14px;white-space:pre-line}.feedback-drawer details{margin-top:18px;font-size:12px}.feedback-drawer dl{margin-top:14px;overflow-wrap:anywhere;line-height:1.7}.feedback-drawer dt{color:var(--muted);margin-top:8px}.feedback-drawer dd{margin:0}.empty-line{font-size:15px;color:var(--muted);padding:20px 0}
@media(min-width:1500px){.pane-toolbar{gap:20px;padding-left:16px;padding-right:16px}}
@media(max-width:1050px){.workspace-tools{gap:6px}.workspace-bar{gap:10px}.workspace-tools .check-control{font-size:13px}.pane-toolbar{gap:6px;padding:4px 7px}.pane-toolbar button{padding:2px 5px;min-width:24px}.pane-toolbar strong span{font-size:13px}.pane-toolbar input{width:34px}.zoom-controls input{width:39px}.zoom-controls,.page-controls{gap:2px}}
@media(max-width:760px){.masthead,.viewing .masthead{padding:0 12px;gap:12px}.brand{font-size:17px}.identity{gap:10px;font-size:13px}.identity>span{max-width:80px}.masthead nav{gap:0}.masthead nav button{font-size:13px;padding:5px 7px}.content-page{padding:28px 20px 50px}.auth-page{margin-top:3vh;padding:20px 24px}.page-title{gap:12px}h1{font-size:28px}.work-row{gap:16px;padding:18px 0;align-items:flex-start}.work-row h3{font-size:18px}.work-row .open-work{min-width:82px;padding:7px 8px}.work-row p{font-size:13px}.intro{font-size:15px}.resume-line{align-items:flex-start}.content-page section{margin-top:28px}.record{align-items:flex-start}.record-actions{max-width:145px;flex:none}.inline-actions{flex-wrap:wrap;justify-content:flex-end}.inline-actions .button,.inline-actions button{font-size:13px}.shared-link>div{flex-wrap:wrap}.shared-link input{width:100%;flex:auto}.inline-form input{width:180px}.feedback-drawer{width:350px}.viewing .identity>span{display:none}.workspace-bar{height:auto;min-height:40px;flex-wrap:wrap;gap:6px;padding:4px 8px}.workspace-bar h1{font-size:14px}.workspace-bar button{padding:4px 7px;font-size:13px}.workspace-tools{gap:7px}.workspace-tools .check-control{font-size:12px}.workspace-bar #back-library span{display:none}.workspace-status #view-help{display:none}.workspace-status{font-size:11px;padding:3px 7px;gap:5px}.workspace-status #progress-status{margin-left:0}.feedback-drawer{top:40px}.task-prompt-line{flex-wrap:wrap;gap:5px;padding:6px 10px;font-size:13px}.task-prompt-line strong{flex-basis:100%;line-height:1.6}.task-help{max-height:160px}footer{padding:20px;display:block}footer>*{display:block;margin:5px 0}}
@media(max-width:650px) and (orientation:portrait){.comparison{display:block}.score-pane{height:100%}.comparison[data-mobile-side=A] #pane-B,.comparison[data-mobile-side=B] #pane-A{display:none}.mobile-side-tabs{display:flex;background:var(--paper);gap:0;border-bottom:1px solid var(--line);min-height:33px}.mobile-side-tabs button{flex:1;border:0;border-radius:0;background:transparent;font-size:13px;padding:6px}.mobile-side-tabs button[aria-pressed=true]{background:#e1e9df;border-bottom:2px solid var(--green);padding-bottom:4px}.mobile-side-tabs button[aria-pressed=true]::before{content:none}.pane-toolbar{gap:8px}.pane-toolbar strong{display:none}.pane-toolbar input{width:40px}.pane-toolbar select{width:65px}.pane-toolbar button{min-width:30px}.workspace-tools{width:100%;justify-content:space-between}.workspace-bar{min-height:73px}.feedback-drawer{top:73px;width:100%;bottom:28px}.viewing .masthead{height:42px}.viewing #workspace{height:calc(100dvh - 42px)}.identity a{font-size:12px}.workspace-tools .check-control{font-size:12px}.workspace-tools input[type=checkbox]{width:15px;height:15px}.workspace-status{min-height:29px}.workspace-status #progress-status{font-size:10px}.task-prompt-line #task-position{margin-left:auto}.record{display:block}.record-actions{max-width:none;justify-content:flex-start;margin-top:9px}.inline-form{flex-wrap:wrap}.page-title .inline-actions{max-width:120px}}
@media(max-height:600px) and (orientation:landscape){.viewing .masthead{height:36px}.viewing #workspace{height:calc(100dvh - 36px)}.workspace-bar{height:36px;min-height:36px;padding-top:2px;padding-bottom:2px}.pane-toolbar{height:34px;min-height:34px}.workspace-status{min-height:25px}.feedback-drawer{top:36px;bottom:25px}.workspace-tools .check-control{font-size:12px}.viewing .identity>a{display:none}.workspace-bar h1{font-size:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Embedded-browser fallback keeps the score area full-page when native fullscreen is unavailable. */
body.page-fullscreen .masthead{display:none}body.viewing.page-fullscreen #workspace{position:fixed;inset:0;z-index:40;width:100vw;height:100dvh}body.page-fullscreen #global-notice{top:10px}