:root{--sc:#8a8f3c;--sans:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Segoe UI',system-ui,-apple-system,sans-serif}
/* E209 preflight 子集（tailwind 运行时退出页面后由此接管；逐元素比对 vendor/tailwindcss-browser.js v4 preflight：
   universal 行保 width:100%+padding 元素不涨宽、.ex-stageidx p 等无 margin 声明的裸规则不回 UA 边距；
   ol,ul 行保 .tx-opts 不冒 UA 标号（E221 起选项字母由 mcqBlock 显式写入 <i>A.</i>，缺此行即成双标号）；svg 行保图标行内对齐；其余为保险带） */
*,::after,::before,::backdrop,::file-selector-button{box-sizing:border-box;margin:0;padding:0;border:0 solid}
h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}
a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}
b,strong{font-weight:bolder}
small{font-size:80%}
ol,ul,menu{list-style:none}
table{text-indent:0;border-color:inherit;border-collapse:collapse}
summary{display:list-item}
img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}
img,video{max-width:100%;height:auto}
button,input,select,optgroup,textarea,::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;border-radius:0;background-color:transparent;opacity:1}
::placeholder{opacity:1}
textarea{resize:vertical}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--sans);font-size:15px;line-height:1.8;color:var(--foreground);background:var(--background);margin:0}
main.ex-main{width:100%;max-width:792px;margin:0 auto;padding:22px 16px 72px}
main.ex-main.ex-on{max-width:732px}
.hidden{display:none !important}
a{color:inherit;text-decoration:none}
/* ---- 页首 ---- */
.ex-crumb{font-size:.78rem;color:var(--muted-foreground)}
.ex-crumb a{color:var(--muted-foreground)}
.ex-crumb a:hover{color:var(--foreground)}
.ex-crumb i{font-style:normal;margin:0 6px;color:var(--line2,var(--border))}
.ex-h1{font-size:1.32rem;font-weight:700;line-height:1.5;margin:10px 0 16px}
.ex-h1 b{color:var(--sc)}
/* ---- 封面 ---- */
#ex-cover{display:flex;flex-direction:column;gap:14px}
#ex-text{margin-top:26px}
.ex-covercard{display:flex;flex-direction:column;gap:6px}
.ex-coversub{font-size:.8rem;color:var(--muted-foreground);width:100%}
/* E221 概览 kv（栏目页左3详情面板同字段，'—' 不烘）+ 摘要（有值才出）+ 三钮（开始考试主钮 1.6 份 / PDF·MD 各 1 份，≤420px 主钮独占一行） */
.ex-kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:5px 16px;width:100%;margin:4px 0 0;padding:9px 12px;border-radius:10px;background:color-mix(in srgb,var(--sc) 4%,transparent);border:1px solid color-mix(in srgb,var(--sc) 14%,transparent)}
.ex-kv div{display:flex;gap:9px;align-items:baseline;min-width:0;font-size:.8rem;line-height:1.7}
.ex-kv dt{flex:none;color:var(--muted-foreground);font-size:.74rem}
.ex-kv dd{min-width:0;color:var(--foreground);font-weight:500;overflow-wrap:anywhere}
.ex-kv .kv-wide{grid-column:1/-1}
.ex-feat{width:100%;margin:2px 0 0;font-size:.8rem;line-height:1.8;color:var(--foreground)}
.ex-feat i{font-style:normal;display:inline-block;font-size:.66rem;font-weight:700;line-height:1.5;color:var(--sc);border:1px solid color-mix(in srgb,var(--sc) 40%,transparent);border-radius:99px;padding:0 7px;margin-right:7px;vertical-align:1px}
/* E221 试卷封面（PDF 首页 440px webp；aspect-ratio 定形防 CLS，比例偏差由 object-fit 吸收；≤420px 移到 kv 下方居中 132px） */
.ex-coverbody{display:flex;gap:16px;align-items:flex-start;width:100%}
.ex-covermain{flex:1 1 0;min-width:0}
.ex-pcover{flex:0 0 148px;width:148px;margin:2px 0 0}
.ex-pcover img{width:100%;height:auto;aspect-ratio:440/623;object-fit:cover;border-radius:8px;border:1px solid var(--border);background:var(--card);box-shadow:0 3px 14px rgba(0,0,0,.16)}
.ex-pcover figcaption{margin-top:5px;font-size:.68rem;color:var(--muted-foreground);text-align:center}
/* E239→E240 封面弹层（零脚本 details/summary；用户令白底——强制 #fff 绝不暗底） */
.ex-clb{position:relative;display:block;cursor:zoom-in;border-radius:8px}
.ex-clb summary{display:block;list-style:none}
.ex-clb summary::-webkit-details-marker{display:none}
.ex-clb summary:hover img{filter:brightness(1.06)}
.ex-clb summary:focus-visible{outline:2px solid var(--sc);outline-offset:2px}
.ex-clbpop{position:absolute;top:calc(100% + 8px);right:-6px;z-index:30;background:#fff;border:1px solid #d8d5d0;border-radius:12px;box-shadow:0 12px 34px rgba(0,0,0,.18);padding:10px;width:max-content;max-width:min(440px,78vw)}
.ex-clbpop img{display:block;width:min(440px,74vw);height:auto;background:#fff;border-radius:6px}
.ex-coverbtns{display:flex;flex-wrap:wrap;gap:10px;width:100%;margin-top:8px}
.ex-coverbtns .pd-btn{flex:1 1 0;padding:8px 10px;min-height:40px}
.ex-coverbtns .pd-btn-primary{flex:1 1 0}
.ex-coverbtns .pd-btn:focus-visible{outline:2px solid var(--sc);outline-offset:2px}
/* E223 微信钮容器（details/summary 零脚本弹层；position:relative=弹层定位上下文） */
.ex-qrd{flex:1 1 0;display:flex;position:relative}
/* E225 微信钮与网页钮同款实心样式（pd-btn/pd-btn-primary 视觉等价：圆角 11/字重 500/hover 降透明），
   仅色系换微信绿 #07c160（[open] 态微深 #06ad56 表展开中）；flex:1 与网页钮同宽 */
.ex-qrd summary{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;list-style:none;min-height:40px;padding:8px 10px;border:1px solid transparent;border-radius:11px;font-size:.875rem;font-weight:500;color:#fff;background:#07c160;transition:opacity .15s ease}
.ex-qrd summary::-webkit-details-marker{display:none}
.ex-qrd summary:hover{opacity:.85}
.ex-qrd summary:focus-visible{outline:2px solid var(--sc);outline-offset:2px}
.ex-qrd[open] summary{background:#06ad56}
.ex-qrpop{position:absolute;top:calc(100% + 8px);left:0;z-index:30;background:var(--card,#fff);border:1px solid color-mix(in srgb,var(--sc) 18%,#d8d5d0);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.14);padding:12px;display:flex;flex-direction:column;align-items:center;gap:8px}
/* E224 码图白底并板（JPEG 无透明通道）：multiply 让白底=弹层底色、黑点保持全黑——面板同色无白方块 */
.ex-qrpop img{width:148px;height:148px;mix-blend-mode:multiply}
.ex-qrpop p{font-size:.75rem;color:var(--muted-foreground,#8a857e);white-space:nowrap}
/* E224 收录格式行彩色文件类型 icon（badge 即 icon：折角圆角块+白字扩展名，PDF 红/MD 蓝） */
.ex-fmt{display:inline-flex;align-items:center;vertical-align:middle}
.ex-fmt .ex-fbadge{display:inline-block;font-style:normal;font-weight:800;font-size:.62rem;line-height:1;color:#fff;letter-spacing:.4px;padding:4px 5px 3px;border-radius:3px;clip-path:polygon(0 0,calc(100% - 6px) 0,100% 6px,100% 100%,0 100%);position:relative;transition:filter .15s ease}
.ex-fmt .ex-fbadge::after{content:'';position:absolute;top:0;right:0;width:6px;height:6px;background:rgba(255,255,255,.38);clip-path:polygon(0 0,100% 100%,0 100%)}
.ex-fmt-pdf .ex-fbadge{background:#e0342f}
.ex-fmt-md .ex-fbadge{background:#2f6ae0}
.ex-fmt:hover .ex-fbadge{filter:brightness(1.1)}
.ex-fmt:focus-visible{outline:2px solid var(--sc);outline-offset:2px}
/* ---- 文字版 ---- */
.tx-note{font-size:.8rem;color:var(--muted-foreground);background:color-mix(in srgb,var(--sc) 6%,transparent);border:1px dashed color-mix(in srgb,var(--sc) 35%,transparent);border-radius:10px;padding:9px 13px;margin:0 0 6px}
.tx-sec{font-size:1.02rem;font-weight:700;margin:26px 0 10px;padding-bottom:6px;border-bottom:2px solid color-mix(in srgb,var(--sc) 30%,transparent);display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.tx-sec small{font-size:.72rem;font-weight:400;color:var(--muted-foreground)}
.tx-q{border:1px solid var(--border);border-radius:12px;padding:13px 15px;margin:10px 0;background:var(--card)}
.tx-qhead{font-size:.9rem;line-height:1.7}
.tx-qhead b{color:var(--sc)}
.tx-opts{margin:8px 0 2px;padding-left:26px;font-size:.86rem;line-height:1.9;color:var(--foreground)}
.tx-opts li{margin:2px 0;display:flex;gap:7px;align-items:baseline}
.tx-opts li i{flex:none;min-width:1.3em;font-style:normal;color:var(--sc);font-weight:700}
.tx-opts li span{flex:1 1 auto;min-width:0}
/* 横版看图行（2026-11-02 用户令）：全带图选项走横排图卡网格——桌面一行四张，窄屏自动收窄列宽 */
ol.tx-opts.tx-opic{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:10px 0 4px;padding:0}
.tx-opic li{flex-direction:column;align-items:center;gap:0;margin:0;padding:8px 8px 10px;border:1px solid var(--border);border-radius:10px;background:#fff}
.tx-opic li i{min-width:0;font-size:.92rem;line-height:1.4}
.tx-opic li span{width:100%;text-align:center}
.tx-opic li span:empty{display:none}
.tx-opic li img.tx-oimg{width:100%;max-width:none;margin:7px 0 0;border:none;border-radius:6px}
@media (max-width:520px){ol.tx-opts.tx-opic{grid-template-columns:repeat(2,1fr)}}

.tx-meta{font-size:.74rem;color:var(--muted-foreground);margin:6px 0}
.tx-task{font-size:.88rem;line-height:1.85;white-space:pre-wrap}
.tx-taskzh{font-size:.76rem;color:var(--muted-foreground)}
.tx-ctext{font-size:.86rem;line-height:2;color:var(--foreground)}
.tx-blank{color:var(--sc);font-weight:700;padding:0 2px}
.tx-bank{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.8rem;margin:10px 0 2px;color:var(--foreground)}
.tx-bank span{white-space:nowrap}
.tx-para{font-size:.84rem;line-height:1.9;margin:8px 0;padding-left:24px;text-indent:-24px}
.tx-para b{color:var(--sc);margin-right:8px}
.tx-st{font-size:.84rem;line-height:1.8;margin:6px 0}
.tx-st b{color:var(--sc)}
.tx-stans{color:var(--muted-foreground);font-size:.76rem}
.tx-opt{display:inline-block;margin-right:14px}
.tx-opt i{font-style:normal;color:var(--sc);font-weight:700}
.tx-pass{border:1px solid var(--border);border-radius:12px;padding:12px 16px;margin:10px 0;background:color-mix(in srgb,var(--card) 60%,transparent)}
.tx-pass p{font-size:.86rem;line-height:2;margin:0;white-space:pre-wrap}
details.tx-an,details.tx-audio{margin-top:10px;border:1px solid color-mix(in srgb,var(--sc) 25%,transparent);border-radius:10px;background:color-mix(in srgb,var(--sc) 4%,transparent)}
details.tx-an summary,details.tx-audio summary{cursor:pointer;padding:7px 13px;font-size:.78rem;font-weight:600;color:var(--sc);list-style:none;display:flex;align-items:center;gap:7px}
details.tx-an summary::before,details.tx-audio summary::before{content:'▸';font-size:.7rem;transition:transform .15s ease}
details[open].tx-an summary::before,details[open].tx-audio summary::before{transform:rotate(90deg)}
.tx-anbody{padding:2px 14px 11px;font-size:.82rem;line-height:1.85}
.tx-anbody p{margin:5px 0}
.tx-ans b{color:var(--sc)}
.tx-ref{white-space:pre-wrap}
.tx-points span{display:inline-block;font-size:.72rem;border:1px solid var(--border);border-radius:99px;padding:1px 9px;margin:2px 4px 2px 0;color:var(--muted-foreground)}
details.tx-audio p{padding:2px 15px 11px;font-size:.82rem;line-height:1.95;margin:0;white-space:pre-wrap}
/* ---- SEO 播放批 2026-11-02：听力段播放钮（渐进增强，JS 摘 hidden 才显示；再点=停止）+ 看图选项图 ---- */
.tx-playrow{margin:10px 0 2px}
.tx-play{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid color-mix(in srgb,var(--sc) 45%,transparent);border-radius:99px;font-size:.8rem;font-weight:500;color:var(--sc);background:color-mix(in srgb,var(--sc) 6%,transparent);cursor:pointer}
.tx-play:hover{background:color-mix(in srgb,var(--sc) 12%,transparent)}
.tx-play:focus-visible{outline:2px solid var(--sc);outline-offset:2px}
.tx-play.is-playing{color:#fff;background:var(--sc)}
.tx-playico{font-size:.7rem;line-height:1}
.tx-play-sm{margin:6px 0 0;padding:2px 10px;font-size:.72rem}
.tx-oimg{width:100%;max-width:220px;height:auto;margin:8px 0 2px;border:1px solid var(--border);border-radius:8px;background:#fff}
/* ---- SEO 关键词批 2026-11-02：卷尾 GEO FAQ 问句块（details/summary 零脚本）+ 数据署名行 ---- */
.ex-faq{margin:26px 0 0;padding-top:6px}
.ex-faq .ex-faqh{font-size:1.02rem;font-weight:700;margin:0 0 8px;padding-bottom:6px;border-bottom:2px solid color-mix(in srgb,var(--sc) 30%,transparent)}
.ex-faqi{border:1px dashed color-mix(in srgb,var(--sc) 30%,transparent);border-radius:10px;margin:8px 0;background:color-mix(in srgb,var(--sc) 4%,transparent)}
.ex-faqi summary{cursor:pointer;padding:10px 13px;font-weight:600;font-size:.88rem;line-height:1.6}
.ex-faqi summary:focus-visible{outline:2px solid var(--sc);outline-offset:2px}
.ex-faqi p{padding:0 13px 11px;font-size:.83rem;line-height:1.8;color:var(--muted-foreground);margin:0}
.ex-src{font-size:.74rem;color:var(--muted-foreground);margin:16px 0 0}
/* ---- 考试壳（mock 同源） ---- */
#ex-exam button{cursor:pointer;font-family:inherit}
#ex-exam textarea,#ex-exam input{font-family:inherit}
.pd-ovlpanel{max-height:calc(100vh - 44px);max-height:calc(100dvh - 44px);overflow-y:auto;-webkit-overflow-scrolling:touch}
.pd-ovlactions{gap:10px}
.mk-exambar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:10px 14px;margin-bottom:14px;border:1px solid var(--border);border-radius:16px;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(8px)}
.mk-timer{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;font-weight:600;font-variant-numeric:tabular-nums;color:var(--foreground);white-space:nowrap}
.mk-timer svg{color:var(--muted-foreground)}
.mk-timer.warn,.mk-timer.warn svg{color:var(--destructive)}
.mk-meta{font-size:.75rem;color:var(--muted-foreground);font-variant-numeric:tabular-nums;white-space:nowrap}
.mk-spacer{flex:1}
.mk-rail{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding:2px}
.mk-rail::-webkit-scrollbar{display:none}
.mk-railbtn{flex:none;display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:99px;border:1px solid var(--border);background:transparent;font-size:.7812rem;color:var(--muted-foreground);white-space:nowrap;cursor:pointer;font-family:inherit;transition:border-color .15s ease,color .15s ease,background .15s ease;-webkit-tap-highlight-color:transparent}
.mk-railbtn:hover{color:var(--foreground);border-color:color-mix(in srgb,var(--foreground) 22%,transparent)}
.mk-railbtn.active{border-color:color-mix(in srgb,var(--sc) 45%,transparent);background:color-mix(in srgb,var(--sc) 9%,transparent);color:var(--sc);font-weight:600}
.mk-railnum{font-size:.6875rem;font-variant-numeric:tabular-nums;opacity:.72}
.mk-strips{overflow:hidden;width:100%;touch-action:pan-y}
.mk-track{display:flex;width:100%;transition:transform .35s ease;will-change:transform}
.mk-track.dragging{transition:none}
.mk-strip{min-width:100%;display:flex;flex-direction:column;gap:12px;padding:2px 2px 10px;box-sizing:border-box}
.mk-sechead{display:flex;align-items:baseline;gap:9px;padding:2px 4px;flex-wrap:wrap}
.mk-sechead b{font-size:.9375rem;font-weight:700;color:var(--foreground)}
.mk-sechead span{font-size:.75rem;color:var(--muted-foreground)}
.mk-flag{margin-left:auto;flex:none;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;border:1px solid transparent;color:var(--muted-foreground);background:transparent;cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease;-webkit-tap-highlight-color:transparent}
.mk-flag:hover{color:var(--sc);background:color-mix(in srgb,var(--sc) 7%,transparent)}
.mk-flag.on{color:var(--sc);border-color:color-mix(in srgb,var(--sc) 35%,transparent);background:color-mix(in srgb,var(--sc) 8%,transparent)}
.ex-anbtn{flex:none;display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted-foreground);font-size:.72rem;cursor:pointer;font-family:inherit;transition:all .15s ease;-webkit-tap-highlight-color:transparent}
.ex-anbtn:hover{color:var(--sc);border-color:color-mix(in srgb,var(--sc) 35%,transparent)}
.ex-anbtn.on{color:var(--sc);border-color:color-mix(in srgb,var(--sc) 45%,transparent);background:color-mix(in srgb,var(--sc) 10%,transparent);font-weight:600}
.ex-audio{margin:0 2px}
.ex-audio .pd-audiohint{font-size:.7188rem;color:var(--muted-foreground);white-space:nowrap}
.mk-sheet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:7px}
.mk-sh-item{position:relative;aspect-ratio:1;border:1.5px solid var(--border);border-radius:9px;background:transparent;font-size:.8125rem;font-variant-numeric:tabular-nums;color:var(--foreground);cursor:pointer;font-family:inherit;transition:border-color .15s ease,background .15s ease}
.mk-sh-item:hover{border-color:var(--sc)}
.mk-sh-item.done{background:color-mix(in srgb,var(--sc) 10%,transparent);border-color:color-mix(in srgb,var(--sc) 30%,transparent);color:var(--sc);font-weight:600}
.mk-sh-item.peeked{border-style:dashed;border-color:color-mix(in srgb,var(--sc) 45%,transparent)}
.mk-sh-flag{position:absolute;top:3px;right:3px;width:7px;height:7px;border-radius:2px;background:var(--sc);opacity:0}
.mk-sh-item.flagged .mk-sh-flag{opacity:1}
.mk-sheet-sec{font-size:.75rem;font-weight:600;color:var(--muted-foreground);margin:12px 0 7px}
.mk-sheet-sec:first-child{margin-top:0}
.mk-legend{display:flex;flex-wrap:wrap;gap:14px;font-size:.75rem;color:var(--muted-foreground);margin-bottom:12px}
.mk-legend .lg{display:inline-flex;align-items:center;gap:5px}
.mk-legend i{display:inline-block;width:12px;height:12px;border-radius:4px;border:1.5px solid var(--border)}
.mk-legend .l-done i{background:color-mix(in srgb,var(--sc) 12%,transparent);border-color:color-mix(in srgb,var(--sc) 35%,transparent)}
.mk-legend .l-flag i{background:var(--sc);border-color:var(--sc);width:8px;height:8px;border-radius:2px}
.mk-legend .l-peek i{border-style:dashed;border-color:color-mix(in srgb,var(--sc) 45%,transparent)}
.mk-flash{animation:mkFlash 1.5s ease}
@keyframes mkFlash{0%,55%{box-shadow:0 0 0 3px color-mix(in srgb,var(--sc) 32%,transparent)}100%{box-shadow:0 0 0 0 transparent}}
.mk-tablewrap{overflow-x:auto;width:100%;-webkit-overflow-scrolling:touch}
.mk-table{width:100%;border-collapse:collapse;font-size:.7812rem;min-width:430px}
.mk-table th{text-align:left;padding:7px 10px;color:var(--muted-foreground);font-weight:500;white-space:nowrap}
.mk-table td{padding:8px 10px;border-top:1px solid color-mix(in srgb,var(--border) 60%,transparent);color:var(--foreground);vertical-align:top}
.mk-table td:first-child{white-space:nowrap;font-weight:600}
.mk-table td.mk-num{font-variant-numeric:tabular-nums;white-space:nowrap}
.mk-loadbox{display:flex;flex-direction:column;align-items:center;gap:14px;padding:48px 0}
.mk-spinner{width:26px;height:26px;border-radius:99px;border:3px solid var(--muted);border-top-color:var(--sc);animation:mkSpin .8s linear infinite}
@keyframes mkSpin{to{transform:rotate(360deg)}}
.mk-loadtxt{font-size:.8125rem;color:var(--muted-foreground)}
.pd-sumchip.self{background:color-mix(in srgb,var(--muted) 14%,transparent);color:var(--muted-foreground)}
/* ---- 页脚 ---- */
.ex-foot{margin-top:30px}
.ex-pnrow{display:flex;gap:10px}
.ex-pn{flex:1;border:1px solid var(--border);border-radius:12px;padding:10px 14px;display:flex;flex-direction:column;gap:3px;background:var(--card);transition:border-color .15s ease}
a.ex-pn:hover{border-color:color-mix(in srgb,var(--sc) 40%,transparent)}
.ex-pn small{font-size:.72rem;color:var(--muted-foreground)}
.ex-pn b{font-size:.82rem;font-weight:600}
.ex-pn.empty{align-items:center;justify-content:center;color:var(--muted-foreground);font-size:.78rem}
.ex-recs h3,.ex-stageidx h3{font-size:.9rem;font-weight:700;margin:22px 0 10px}
.ex-recgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:9px}
.ex-rec{border:1px solid var(--border);border-radius:12px;padding:9px 13px;display:flex;flex-direction:column;gap:2px;background:var(--card);transition:border-color .15s ease}
a.ex-rec:hover{border-color:color-mix(in srgb,var(--sc) 40%,transparent)}
.ex-rec b{font-size:.8rem;font-weight:600}
.ex-rec span{font-size:.72rem;color:var(--muted-foreground)}
.ex-stageidx p{display:flex;flex-wrap:wrap;gap:8px}
.ex-stageidx a{font-size:.78rem;border:1px solid var(--border);border-radius:99px;padding:3px 13px;color:var(--foreground)}
.ex-stageidx a:hover{border-color:color-mix(in srgb,var(--sc) 40%,transparent);color:var(--sc)}
.ex-conv{font-size:.8rem;color:var(--foreground);margin-top:22px;padding:12px 16px;border-radius:12px;background:color-mix(in srgb,var(--sc) 7%,transparent);border:1px solid color-mix(in srgb,var(--sc) 22%,transparent)}
.ex-conv b{color:var(--sc)}
/* ---- 成绩报告 ---- */
#ex-result{display:flex;flex-direction:column;gap:14px}
.exr-hero{text-align:center;padding-top:24px}
.exr-eyebrow{font-size:.72rem;letter-spacing:.18em;color:var(--muted-foreground)}
.exr-score{display:flex;align-items:baseline;justify-content:center;gap:9px;margin-top:4px}
.exr-score b{font-size:3.2rem;line-height:1;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.exr-score span{font-size:.95rem;color:var(--muted-foreground);white-space:nowrap}
.exr-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:18px;width:100%}
.exr-metric{padding:9px 4px 8px;border:1px solid var(--border);border-radius:10px;background:color-mix(in srgb,var(--muted) 16%,transparent);min-width:0}
.exr-metric b{display:block;font-size:1.05rem;line-height:1.2;font-variant-numeric:tabular-nums;white-space:nowrap}
.exr-metric i{display:block;font-style:normal;font-size:.66rem;color:var(--muted-foreground);margin-top:3px;white-space:nowrap}
.exr-lit{color:var(--sc)}
.exr-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px;width:100%}
.exr-stat{display:flex;align-items:center;justify-content:center;gap:6px;font-size:.78rem;padding:6px 4px;border-radius:8px;white-space:nowrap;font-variant-numeric:tabular-nums}
.exr-stat s,.exr-legend s{display:inline-block;width:8px;height:8px;border-radius:99px;text-decoration:none;flex:none}
.exr-stat.ok{background:rgba(26,159,112,.1)}.exr-stat.ok s{background:#1a9f70}
.exr-stat.part{background:rgba(217,100,30,.1)}.exr-stat.part s{background:#d9641e}
.exr-stat.bad{background:rgba(214,69,80,.1)}.exr-stat.bad s{background:#d64550}
.exr-stat.self{background:color-mix(in srgb,var(--muted) 18%,transparent)}.exr-stat.self s{background:#8a8fa8}
.exr-note{font-size:.75rem;line-height:1.55;color:var(--muted-foreground);text-align:left;margin:0}
.exr-hero .exr-note{margin-top:12px;width:100%}
.exr-abh{display:flex;align-items:center;gap:7px;font-size:.85rem;font-weight:600;letter-spacing:.04em;width:100%}
.exr-abh small{margin-left:auto;font-weight:400;font-size:.68rem;color:var(--muted-foreground);letter-spacing:.02em;white-space:nowrap}
.exr-secrows,.exr-paces{width:100%}
.exr-secrow{display:grid;grid-template-columns:92px minmax(0,1fr) 88px;gap:12px;align-items:center;padding:9px 0}
.exr-pacerow{display:grid;grid-template-columns:92px minmax(0,1fr) 108px;gap:12px;align-items:center;padding:7px 0}
.exr-secrows>.exr-secrow+.exr-secrow,.exr-paces>.exr-pacerow+.exr-pacerow{border-top:1px dashed color-mix(in srgb,var(--border) 80%,transparent)}
.exr-seclab{min-width:0}
.exr-seclab b{display:block;font-size:.78rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exr-seclab i{display:block;font-style:normal;font-size:.66rem;color:var(--muted-foreground);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exr-pacerow .exr-seclab b{font-weight:500;color:var(--muted-foreground)}
.exr-track{display:flex;height:10px;border-radius:99px;background:color-mix(in srgb,var(--muted) 24%,transparent);overflow:hidden}
.exr-track-slim{height:7px}
.exr-fill{height:100%;border-radius:99px;flex:none}
.exr-secscore{font-size:.78rem;white-space:nowrap;text-align:right;font-variant-numeric:tabular-nums}
.exr-secscore b{font-size:.95rem;font-weight:600}
.exr-secscore i{font-style:normal;color:var(--muted-foreground)}
.exr-pacemeta{font-size:.7rem;color:var(--muted-foreground);white-space:nowrap;text-align:right;font-variant-numeric:tabular-nums}
.exr-pace{width:100%;margin-top:16px;padding-top:14px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px}
.exr-chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:8px;width:100%}
.exr-chip{display:flex;align-items:center;justify-content:space-between;gap:4px;min-width:0;padding:7px 9px;border-radius:9px;border:1px solid transparent;background:transparent;font-family:inherit;font-size:.78rem;line-height:1.2;color:var(--foreground);cursor:pointer;font-variant-numeric:tabular-nums;text-align:left;transition:border-color .15s ease}
.exr-chip b{font-weight:700}
.exr-chip span{font-size:.66rem;color:var(--muted-foreground);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exr-chip.ok{background:rgba(26,159,112,.08);border-color:rgba(26,159,112,.3)}.exr-chip.ok b{color:#1a9f70}
.exr-chip.bad{background:rgba(214,69,80,.08);border-color:rgba(214,69,80,.3)}.exr-chip.bad b{color:#d64550}
.exr-chip.part{background:rgba(217,100,30,.08);border-color:rgba(217,100,30,.3)}.exr-chip.part b{color:#d9641e}
.exr-chip.self{background:color-mix(in srgb,var(--muted) 14%,transparent);border-color:var(--border)}.exr-chip.self b{color:#8a8fa8}
.exr-chip:hover{border-color:var(--sc)}
.exr-legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.7rem;color:var(--muted-foreground);width:100%}
.exr-legend span{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.exr-cta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%}
.exr-cta .pd-btn{padding:10px 12px;font-size:.84rem;white-space:nowrap;justify-content:center}
.exr-cta .exr-lead{grid-column:1/-1}
@media(max-width:420px){
  .exr-hero{padding-top:20px}
  .exr-score b{font-size:2.7rem}
  .exr-metrics,.exr-stats{grid-template-columns:repeat(2,1fr)}
  .exr-secrow{grid-template-columns:78px minmax(0,1fr) 74px;gap:9px}
  .exr-pacerow{grid-template-columns:78px minmax(0,1fr) 100px;gap:9px}
  .exr-pacemeta{font-size:.66rem}
  .exr-chips{grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:7px}
  .exr-cta{grid-template-columns:repeat(3,1fr);gap:8px}
  .exr-cta .pd-btn{padding:10px 6px;font-size:.78rem}
}
/* 解析/交卷锁定后的作答控件视觉灰态（引擎只设 disabled 无样式） */
#ex-exam textarea:disabled,#ex-exam input:disabled{opacity:.58;background:var(--muted);cursor:not-allowed}
@media(max-width:420px){
  main.ex-main{padding:16px 12px 64px}
  .mk-exambar{padding:8px 10px;gap:7px;border-radius:14px}
  .mk-timer{font-size:.8125rem}
  .mk-meta{display:none}
  .mk-railbtn{padding:5px 11px;font-size:.75rem}
  .mk-strip{gap:10px}
  .ex-h1{font-size:1.16rem}
  #ex-cover{gap:12px}
  .ex-kv{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 10px;padding:8px 10px}
  .ex-kv div:last-child{grid-column:1/-1}
  .ex-coverbody{flex-direction:column;gap:10px}
  .ex-pcover{flex:0 0 auto;width:132px;margin:2px auto 0}
  .ex-coverbtns .pd-btn-primary{flex:1 1 100%}
  .ex-coverbtns .ex-qrd{flex:1 1 auto}
  .ex-qrpop{left:auto;right:0}
  .ex-clbpop{right:auto;left:50%;transform:translateX(-50%)}
  #ex-text{margin-top:20px}
  .ex-pnrow{flex-direction:column}
  .ex-crumb{line-height:1.9}
  .ex-crumb i{margin:0 4px}
}
@media(prefers-reduced-motion:reduce){.mk-track{transition:none}.mk-flash,.mk-spinner{animation:none}}
@media print{#ex-exam,#ex-result{display:none}}