.pp-studio{color:var(--pz-ink);min-width:0}.pp-studio *{box-sizing:border-box}.pp-intro{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 28px}.pp-intro h2{font-size:30px;font-weight:600;letter-spacing:-.03em;color:#28554a;margin:8px 0 10px}.pp-intro p{font-size:14px;color:var(--pz-muted);margin:0}.pp-intro-meta{display:grid;gap:5px;text-align:right}.pp-intro-meta strong{font-size:38px;font-weight:500;color:#28554a;font-variant-numeric:tabular-nums}.pp-intro-meta span{font-size:12px;color:var(--pz-muted)}.pp-note{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px 20px;border:1px solid var(--pz-line);border-radius:10px;background:#edf2ec;font-size:13px;line-height:1.8;color:#28554a}.pp-note span{color:var(--pz-muted);font-size:12px}.pp-filters{margin:26px 0 32px}.pp-subjects{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.pp-chip{border:1px solid var(--pz-line);padding:10px 20px;border-radius:8px;background:#fff;color:var(--pz-muted);font-size:13px;box-shadow:0 1px 3px #252a2808}.pp-chip.active{background:#28554a;color:#fff;border-color:#28554a}.pp-filter-row{display:flex;gap:20px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--pz-muted)}.pp-filter-row label{display:flex;align-items:center;gap:10px}.pp-filter-row>span{margin-left:auto}.pp-year{margin:0 0 34px}.pp-year-title{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid var(--pz-line);margin-bottom:20px;padding-bottom:12px}.pp-year-title h3{margin:0;font-size:26px;font-weight:500;color:#28554a;font-variant-numeric:tabular-nums}.pp-year-title small{font-size:12px;margin-left:7px;color:var(--pz-muted)}.pp-year-title>span{font-size:12px;color:var(--pz-muted)}.pp-paper-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.pp-paper-card{padding:24px;background:#fff;border:1px solid var(--pz-line);border-radius:13px;min-width:0}.pp-card-meta{display:flex;justify-content:space-between;gap:12px;color:#28554a;font-size:13px}.pp-card-meta small{color:var(--pz-muted)}.pp-paper-card h4{font-size:18px;line-height:1.6;font-weight:550;margin:20px 0 14px;overflow-wrap:anywhere}.pp-paper-card p{font-size:13px;color:var(--pz-muted);margin:0 0 10px}.pp-paper-card>small{font-size:11px;color:#77867d}.pp-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:24px 0 10px;padding-top:20px;border-top:1px solid #edf0eb}.pp-card-bottom>span{font-size:11px;color:var(--pz-muted)}.pp-no-papers{background:#fff;border:1px solid var(--pz-line);border-radius:14px;padding:50px 32px;text-align:center}.pp-no-papers h3{font-size:22px;font-weight:550;margin:12px 0}.pp-no-papers p{font-size:13px;line-height:1.9;color:var(--pz-muted);margin:0 auto;max-width:520px}.pp-coverage{display:grid;grid-template-columns:repeat(3,1fr);max-width:660px;margin:30px auto;gap:16px}.pp-coverage>div{display:grid;gap:10px;padding:20px 12px;border:1px solid var(--pz-line);border-radius:10px;background:#f8faf7}.pp-coverage b{font-size:14px;font-weight:500}.pp-coverage span{font-size:12px;color:var(--pz-muted)}.pp-workbar{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--pz-muted)}.pp-workbar strong{font-size:22px;font-weight:500;color:#28554a;font-variant-numeric:tabular-nums;white-space:nowrap}.pp-paper-heading{text-align:center;padding:32px 16px;margin:18px 0;background:#fff;border:1px solid var(--pz-line);border-radius:12px}.pp-paper-heading h2{font-family:Georgia,'Songti SC',serif;font-size:25px;line-height:1.7;letter-spacing:.04em;font-weight:600;margin:10px 0}.pp-paper-heading p,.pp-paper-heading a{font-size:12px;color:var(--pz-muted);line-height:1.8}.pp-paper-heading a{text-underline-offset:3px}.pp-save-state{font-size:12px;color:var(--pz-muted);margin:16px 0;line-height:1.8}.pp-reader{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;align-items:start}.pp-reader.has-passage{grid-template-columns:minmax(0,2fr) minmax(280px,1fr)}.pp-reader article{background:#fff;border:1px solid var(--pz-line);border-radius:12px;padding:28px;min-width:0}.pp-passage h3{font-size:17px;margin:8px 0 18px;font-weight:550}.pp-passage>div{font-family:Georgia,'Songti SC',serif;font-size:17px;line-height:2;white-space:pre-wrap;overflow-wrap:anywhere}.pp-question>h3{font-family:Georgia,'Songti SC',serif;font-size:18px;font-weight:500;line-height:1.9;white-space:pre-wrap;margin:22px 0;overflow-wrap:anywhere}.pp-question .pz-option{white-space:pre-wrap;overflow-wrap:anywhere}.pp-question-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:28px}.pp-question-nav>span{font-size:12px;color:var(--pz-muted)}.pp-written{display:grid;gap:12px;font-size:13px;color:var(--pz-muted)}.pp-written textarea{width:100%;min-height:260px;resize:vertical;border:1px solid var(--pz-line);border-radius:8px;padding:16px;background:#fdfefb;font:16px/1.9 Georgia,'Songti SC',serif;color:var(--pz-ink)}.pp-written textarea:disabled{background:#f6f8f5;color:var(--pz-ink)}.pp-written small{font-size:11px}.pp-sheet{margin-top:20px;padding:24px;background:#fff;border:1px solid var(--pz-line);border-radius:12px}.pp-sheet .pz-number-grid{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:8px}.pp-sheet-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:22px}.pp-sheet-footer>span{font-size:12px;color:var(--pz-muted);line-height:1.8}.pp-result{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:22px;background:#e8efe7;border:1px solid #dce6da;border-radius:12px}.pp-result strong{font-size:25px;color:#28554a;font-weight:500}.pp-result small{font-size:14px}.pp-result>span{font-size:12px;color:var(--pz-muted)}.pp-studio .pz-explanation p{white-space:pre-wrap;overflow-wrap:anywhere}.pp-studio .pz-btn{box-shadow:0 1px 3px #252a280c}.pp-studio :is(button,select,textarea):focus-visible{outline:none;border-color:#729381;background-color:#edf2ec}.pp-studio .pz-btn-primary:focus-visible{background:#21463d;color:#fff}
@media(min-width:1000px){.pp-passage{max-height:74vh;overflow:auto;position:sticky;top:90px}}@media(max-width:1050px){.pp-paper-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.pp-intro h2{font-size:26px}.pp-intro-meta strong{font-size:30px}.pp-intro-meta span{font-size:10px}.pp-intro p{font-size:12px}.pp-paper-grid,.pp-reader.has-passage{grid-template-columns:minmax(0,1fr)}.pp-filter-row>span{width:100%;margin-left:0}.pp-chip{padding:10px 13px}.pp-filter-row{gap:12px}.pp-no-papers{padding:30px 18px}.pp-coverage{gap:8px}.pp-coverage>div{padding:16px 6px}.pp-coverage b{font-size:12px}.pp-coverage span{font-size:10px}.pp-workbar{flex-wrap:wrap}.pp-workbar>span{order:3;width:100%;font-size:12px}.pp-paper-heading{padding:24px 12px}.pp-paper-heading h2{font-size:21px}.pp-reader article{padding:20px}.pp-sheet{padding:20px}.pp-sheet-footer{align-items:stretch;flex-direction:column}.pp-studio button{min-height:44px}.pp-studio .pz-number{min-width:40px}.pp-note{padding:14px 16px;gap:6px}}
@media(forced-colors:active){.pp-studio :is(button,select,textarea):focus-visible{outline:2px solid Highlight}}
.pp-original img{display:block;width:100%;height:auto;margin:12px 0;border:1px solid #edf0eb}.pp-original a{display:block}.pp-original{padding:12px!important}.pp-original>.pz-eyebrow{padding:8px 10px}.pp-studio .pp-original:focus-within{border-color:#729381}

@media(min-width:701px){.pp-reader .pp-question{padding:22px}.pp-reader .pp-question>h3{font-size:16px;margin:18px 0}.pp-reader .pz-meta{flex-wrap:wrap;gap:8px}.pp-reader .pz-option{padding:10px 12px;gap:10px;min-height:48px}.pp-question-nav{flex-wrap:wrap;gap:8px}.pp-question-nav .pz-btn{padding:9px 12px}}

/* Computer-based practice workspace. */
body:has(.cbt-workspace){overflow:hidden}
.cbt-workspace{position:fixed;inset:0;z-index:1200;display:flex;flex-direction:column;background:#f4f6f3;color:#252a28;font-family:system-ui,-apple-system,"PingFang SC",sans-serif;font-size:14px;line-height:1.6;text-align:left}
.cbt-workspace *{box-sizing:border-box}.cbt-workspace .pz-btn{font-size:12px!important;min-height:36px;white-space:nowrap}.cbt-topbar{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:12px 24px;background:#fff;border-bottom:1px solid #dee4df;flex-shrink:0;min-height:76px}.cbt-paper-name,.cbt-top-actions{display:flex;align-items:center;gap:22px}.cbt-paper-name>div>span{font-size:10px;letter-spacing:.12em;color:#748179}.cbt-paper-name h2{font-size:17px;line-height:1.4;font-weight:600;margin:2px 0 0}.cbt-top-progress{display:flex;align-items:center;gap:18px;font-size:12px;color:#52645a}.cbt-save-state{font-size:11px;color:#78867c}.cbt-clock{display:flex;flex-direction:column;align-items:center;font-variant-numeric:tabular-nums;min-width:86px}.cbt-clock small{font-size:10px;color:#7e8b81;letter-spacing:.08em}.cbt-clock strong{font-size:23px;color:#28554a;line-height:1.3;font-weight:600}.cbt-clock .urgent{color:#a54832}.cbt-session-strip{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:8px 24px;font-size:11px;color:#687a6d;flex-shrink:0}.cbt-session-strip>span:first-child{font-weight:600;color:#375c49}.cbt-result,.cbt-error{flex-shrink:0;padding:8px 24px;background:#e4eee3;font-size:12px;color:#28554a}.cbt-error{background:#fff0e7;color:#85472e;display:flex;align-items:center;gap:12px}.cbt-main{display:grid;grid-template-columns:minmax(0,2fr) minmax(300px,1fr);gap:18px;padding:0 24px 16px;flex:1;min-height:0}.cbt-main>article{display:flex;flex-direction:column;border:1px solid #dce3dc;background:#fff;border-radius:9px;overflow:hidden;min-width:0;min-height:0}.cbt-pane-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-shrink:0;min-height:51px;border-bottom:1px solid #e6ebe5;padding:10px 16px}.cbt-pane-toolbar>div:first-child{display:flex;align-items:center;gap:12px}.cbt-pane-toolbar b{font-size:12px;font-weight:600;color:#355c47}.cbt-pane-toolbar>div>span{font-size:11px;color:#7d8a7f}.cbt-source-tools{display:flex;gap:7px;align-items:center}.cbt-source-tools .pz-btn{padding:5px 9px;min-height:30px}.cbt-source-tools>span{font-size:10px;color:#7b897d;min-width:30px;text-align:center}.cbt-document{overflow:auto;overscroll-behavior:contain;flex:1;min-height:0;scrollbar-gutter:stable;padding:16px;background:#fcfdfb}.cbt-reading-text{font-family:Georgia,"Songti SC",serif;font-size:calc(17px * var(--cbt-scale,1));line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere;max-width:48em;margin:6px auto 30px;padding:6px 16px 20px;color:#25352b}.cbt-reading-text::selection{background:#f2dfa1}.cbt-pages{width:var(--cbt-zoom,100%);margin:auto}.cbt-page-image{display:block;width:100%;height:auto;border:1px solid #e8ece4;margin:0 0 16px;background:#fff}.cbt-answer-scroll{padding:22px;overflow:auto;overscroll-behavior:contain;min-height:0;flex:1}.cbt-stem{font-size:16px;line-height:1.85;white-space:pre-wrap;font-weight:500;margin:0 0 24px;color:#263e30;overflow-wrap:anywhere}.cbt-options{display:grid;gap:10px}.cbt-option{display:flex;align-items:flex-start;gap:12px;padding:13px 14px;min-height:48px;width:100%;border:1px solid #dce4d8;border-radius:7px;background:#fff;color:#405440;text-align:left;font-size:14px!important;line-height:1.7}.cbt-option>span:first-child{flex-shrink:0;width:23px;height:23px;display:grid;place-items:center;border:1px solid #dfe5db;border-radius:50%;font-size:11px;color:#7a8d77;line-height:1}.cbt-option>span:last-child{min-width:0;overflow-wrap:anywhere;white-space:pre-wrap}.cbt-option:hover:not(:disabled){background:#f7faf4;border-color:#99b18d}.cbt-option.selected{border-color:#547c5c;background:#edf4e9;color:#28554a}.cbt-option.selected>span:first-child{background:#28554a;color:#fff;border-color:#28554a}.cbt-option.correct{background:#eaf5e5;border-color:#78a86e}.cbt-option.wrong{background:#fff1e9;border-color:#ca9b7e}.cbt-option:disabled{opacity:1!important}.cbt-writing{display:grid;gap:10px;font-size:12px;color:#687c66}.cbt-writing textarea,.cbt-notes textarea{width:100%;min-height:240px;resize:vertical;padding:14px;border:1px solid #dbe4d5;border-radius:7px;background:#fcfef9;color:#2c422f;font:15px/1.85 system-ui;outline:none}.cbt-writing textarea:focus,.cbt-notes textarea:focus{border-color:#77936b;box-shadow:0 0 0 2px #e3ecdd}.cbt-writing small{font-size:11px;color:#7a8975;text-align:right}.cbt-notes-toggle{margin-top:24px;padding-top:16px;border-top:1px solid #edf0e8}.cbt-notes-toggle .pz-btn{border:0;background:transparent;padding-left:0;box-shadow:none}.cbt-notes{display:grid;gap:8px;font-size:11px;color:#7c8a75}.cbt-notes textarea{min-height:112px;font-size:13px;background:#fcfbef}.cbt-answer-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-shrink:0;padding:14px 18px;border-top:1px solid #e3e9de;background:#fff}.cbt-answer-footer>span{font-size:11px;color:#7c8b75;font-variant-numeric:tabular-nums}.cbt-feedback{margin-top:20px;padding:16px;background:#f1f5eb;border-left:3px solid #8ba67a;border-radius:4px;font-size:12px;line-height:1.8}.cbt-feedback p{white-space:pre-wrap;overflow-wrap:anywhere;color:#6c7d63}.cbt-bottom-nav{flex-shrink:0;border-top:1px solid #dce4d6;background:#fff;padding:0 24px 12px}.cbt-sections{display:flex;overflow-x:auto;gap:2px;border-bottom:1px solid #e9eee2;scrollbar-width:thin}.cbt-sections>button{display:flex;align-items:center;gap:12px;padding:12px 14px;border:0;border-bottom:3px solid transparent;background:transparent;color:#76866d;font-size:11px;white-space:nowrap}.cbt-sections>button[aria-pressed=true]{color:#28554a;border-bottom-color:#28554a;background:#f4f7ef}.cbt-sections small{font-size:10px;color:#8c9983}.cbt-question-row{display:flex;gap:22px;align-items:center;padding-top:11px}.cbt-question-numbers{display:flex;gap:6px;overflow-x:auto;min-width:0;flex:1;scrollbar-width:thin;padding:3px 2px 6px}.cbt-number{position:relative;display:grid;place-items:center;min-width:31px;height:31px;padding:0;border:1px solid #dfe6d8;border-radius:5px;background:#fff;color:#849478;font-size:11px!important;flex-shrink:0}.cbt-number.answered{background:#dfead8;color:#28554a;border-color:#b7cdae}.cbt-number.current{outline:2px solid #28554a;outline-offset:1px;font-weight:650;color:#28554a}.cbt-number.flagged{border-color:#b28c48}.cbt-number>span{position:absolute;right:0;top:-8px;color:#aa7a20;font-size:17px}.cbt-number.correct{background:#e1f2da;color:#427d30}.cbt-number.wrong{background:#fff0e6;color:#ab6137}.cbt-legend{display:flex;gap:12px;align-items:center;font-size:10px;color:#809171;white-space:nowrap}.cbt-mobile-tabs{display:none}.cbt-review-backdrop{position:absolute;inset:0;background:#1c352756;z-index:3;display:flex;justify-content:flex-end}.cbt-review-panel{width:min(600px,100%);height:100%;background:#fff;display:flex;flex-direction:column;box-shadow:-12px 0 40px #18321c18}.cbt-review-panel>header{padding:26px 26px 18px;display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid #e6ecdE}.cbt-review-panel h2{font-size:21px;font-weight:600;margin:6px 0}.cbt-review-counts{display:flex;justify-content:space-around;gap:15px;padding:24px;color:#788d6b;font-size:12px}.cbt-review-counts b{display:block;font-size:26px;line-height:1.5;color:#28554a;font-weight:500}.cbt-review-filters{padding:0 26px 16px;display:flex;gap:10px;border-bottom:1px solid #e7edde}.cbt-review-list{flex:1;min-height:0;overflow:auto;padding:0 26px 20px}.cbt-review-list h3{font-size:12px;margin:22px 0 14px;font-weight:550;color:#5b744e}.cbt-review-grid{display:flex;gap:9px;flex-wrap:wrap}.cbt-review-panel>footer{padding:18px 26px;border-top:1px solid #e3eadd;display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}.cbt-review-panel>footer p{font-size:12px;color:#7d8c73;line-height:1.8;width:100%;margin:0 0 6px}.cbt-workspace button:focus-visible,.cbt-workspace a:focus-visible{outline:2px solid #6f8b5f;outline-offset:2px}.cbt-workspace .pz-btn-primary:focus-visible{background:#21463d}
@media(max-width:900px){.cbt-topbar{padding:10px 12px;gap:10px}.cbt-paper-name,.cbt-top-actions{gap:10px}.cbt-paper-name h2{font-size:14px}.cbt-paper-name>div>span{font-size:9px}.cbt-top-progress{display:none}.cbt-top-actions .pz-btn{padding:8px 10px}.cbt-clock{min-width:68px}.cbt-clock strong{font-size:20px}.cbt-session-strip{padding:7px 12px;flex-wrap:wrap;gap:2px;font-size:10px}.cbt-mobile-tabs{display:flex;padding:0 12px 8px;gap:8px}.cbt-mobile-tabs .pz-btn{flex:1;min-height:34px}.cbt-main{display:block;padding:0 12px 10px}.cbt-main>article{height:100%}.cbt-workspace[data-mobile-panel=source] .cbt-answer-pane{display:none}.cbt-workspace[data-mobile-panel=answer] .cbt-source-pane{display:none}.cbt-pane-toolbar{padding:8px 10px;gap:8px;flex-wrap:wrap}.cbt-source-tools{gap:4px}.cbt-source-tools .pz-btn{padding:4px 7px}.cbt-document{padding:8px}.cbt-reading-text{padding:6px 10px;font-size:calc(16px * var(--cbt-scale,1))}.cbt-answer-scroll{padding:18px}.cbt-bottom-nav{padding:0 12px 8px}.cbt-question-row{gap:10px}.cbt-legend>span{display:none}.cbt-sections>button{padding:9px 10px;max-width:210px;gap:8px}.cbt-sections>button>span{max-width:155px;overflow:hidden;text-overflow:ellipsis}.cbt-number{min-width:34px;height:34px}.cbt-workspace .pz-btn{min-height:36px}.cbt-review-panel>header{padding:20px}.cbt-review-panel h2{font-size:19px}.cbt-review-filters,.cbt-review-list{padding-left:20px;padding-right:20px}.cbt-review-panel>footer{padding:16px 20px}}
@media(max-width:420px){.cbt-paper-name>div>span{display:none}.cbt-paper-name h2{font-size:12px}.cbt-paper-name>.pz-btn{padding:7px 9px}.cbt-clock{min-width:58px}.cbt-clock strong{font-size:18px}.cbt-topbar{gap:6px}.cbt-top-actions{gap:7px}.cbt-top-actions>.pz-btn{font-size:11px!important}.cbt-session-strip>span:last-child{font-size:9px}.cbt-pane-toolbar>div:first-child{gap:8px}}

/* Catalogue: paper covers, with a restrained binding edge and layered sheets. */
.pp-paper-grid{gap:24px;padding:4px 6px 10px 0}
.pp-paper-card{position:relative;display:flex;flex-direction:column;min-height:264px;padding:22px 22px 20px 40px;border:1px solid #d9ddd3;border-radius:2px;background:linear-gradient(90deg,#f1f2ec 0,#fafbf7 28px,#fff 29px);box-shadow:3px 3px 0 #fafbf7,4px 4px 0 #dfe3d9,6px 6px 0 #fff,7px 7px 0 #e5e8df,0 6px 16px #253a2810}
.pp-paper-card::before{content:'装订线';position:absolute;left:10px;top:18px;bottom:18px;width:15px;display:flex;align-items:center;justify-content:center;writing-mode:vertical-rl;letter-spacing:6px;font-size:8px;color:#a6b0a0;border-right:1px dashed #cdd5c7;pointer-events:none}
.pp-card-meta{padding-bottom:10px;border-bottom:3px double #d5ddcf;font-size:12px;align-items:center}.pp-card-meta small{font-size:10px;padding:1px 6px;border:1px solid #d3ddd0;color:#71836a}
.pp-paper-card h4{text-align:center;font-family:Georgia,'Songti SC','SimSun',serif;font-size:18px;font-weight:600;line-height:1.9;margin:24px 0 18px;letter-spacing:.025em}
.pp-paper-card p{font-size:11px;padding:9px 0;border-top:1px solid #e5e9e0;border-bottom:1px solid #e5e9e0;text-align:center;margin:0 0 12px}
.pp-paper-card>small{font-size:10px;text-align:center;line-height:1.8}.pp-card-bottom{margin:20px 0 0;padding-top:16px;border-top:1px dashed #dce2d5;flex-wrap:wrap}.pp-paper-card>.pz-btn{margin-top:10px;align-self:flex-end}.pp-card-bottom .pz-btn{min-height:35px;padding:8px 12px;font-size:12px!important}.pp-card-bottom>span{font-size:10px}
@media(max-width:700px){.pp-paper-card{min-height:248px;padding:20px 20px 18px 36px}.pp-paper-card h4{font-size:18px;margin:20px 0 16px}.pp-paper-grid{gap:22px}.pp-card-bottom{margin-top:18px}}
.pp-intro+.pp-note{margin-bottom:24px}
.cbt-readonly{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;border-bottom:1px solid #ddcfb5;background:#fff5df;color:#705527;font-size:12px}.cbt-readonly>div{display:grid;gap:3px}.cbt-readonly span{font-size:11px}.cbt-inline-number{font-weight:650;color:#28554a;margin-right:5px}.cbt-selection-state{font-size:12px;color:#28554a;margin:14px 0 0}.cbt-option.selected>span:first-child::after{content:'✓';font-size:9px;margin-left:2px}.cbt-option:disabled{cursor:not-allowed!important}.cbt-workspace[data-run-state=review] .cbt-option{background:#f6f7f3}.cbt-workspace[data-run-state=review] .cbt-option.selected{background:#e8f0e2}.cbt-pane-toolbar b{font-size:14px}
@media(max-width:900px){.cbt-readonly{padding:9px 12px;gap:10px}.cbt-readonly span{font-size:10px}.cbt-readonly>.pz-btn{padding:7px 10px}}

/* Catalogue actions share one sizing and alignment contract. */
.pp-paper-card .pp-card-bottom{margin-top:auto;padding-top:16px;display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
.pp-paper-card>small{margin-bottom:20px}
.pp-card-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;flex-wrap:wrap}
.pp-paper-card .pp-card-actions .pz-btn{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:104px;height:40px;min-height:40px;padding:0 16px;border:1px solid #d9e2dc;border-radius:8px;font-size:12px!important;font-weight:600;line-height:1;white-space:nowrap;margin:0}
.pp-paper-card .pp-card-actions .pz-btn-primary{border-color:#28554a}
.cbt-selectable{-webkit-user-select:text;user-select:text;cursor:text}
.cbt-selectable::selection,.cbt-selectable *::selection{background:#d9e8cd;color:#243e2e}
.cbt-highlight{background:#f5e39c;color:inherit;border-radius:2px;padding:1px 0;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.cbt-mark-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 16px;border-bottom:1px solid #e3e9de;background:#fafbf7;flex-shrink:0}
.cbt-mark-tools .pz-btn{min-height:30px;padding:4px 10px;font-size:11px!important}
.cbt-mark-hint{font-size:11px;color:#7a8975;line-height:1.5}
.cbt-reading-text{white-space:pre-wrap}
@media(max-width:600px){.pp-card-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.pp-card-actions>.pz-btn:only-child{grid-column:1/-1}.pp-paper-card .pp-card-actions .pz-btn{min-width:0;width:100%}.cbt-mark-tools{padding:6px 10px}.cbt-mark-hint{width:100%}}


/* Exact original-page layout with an aligned, selectable PDF text layer. */
.cbt-original-pages{background:#e9ece6;padding:10px}
.cbt-pdf-page{position:relative;container-type:inline-size;background:#fff;box-shadow:0 2px 8px #22332215;margin-bottom:14px}
.cbt-pdf-page:last-child{margin-bottom:0}
.cbt-pdf-page .cbt-page-image{margin:0;border:0;pointer-events:none;-webkit-user-select:none;user-select:none}
.cbt-pdf-text{position:absolute;inset:0;font-family:'Times New Roman','Songti SC',serif}
.cbt-pdf-word{position:absolute;display:block;color:transparent;line-height:1;white-space:pre;cursor:text;transform-origin:left top}
.cbt-pdf-word.cbt-pdf-marked{background:#f1d97885;border-radius:1px}
.cbt-pdf-text .cbt-pdf-word::selection{color:transparent;background:#a9c7e980}
.cbt-reading-paper{max-width:850px;min-height:100%;margin:0 auto;padding:28px 32px 36px;background:white;border:1px solid #e3e6df;box-shadow:0 2px 8px #2233220c}
.cbt-passage-heading{font:700 calc(20px * var(--cbt-scale,1))/1.5 'Times New Roman',Georgia,serif;text-align:center;color:#202820;margin:0 0 24px}
.cbt-reading-paper .cbt-reading-text{font-family:'Times New Roman','Songti SC',serif;font-size:calc(18px * var(--cbt-scale,1));line-height:1.85;margin:0;padding:0;color:#202820}
.cbt-answer-scroll{position:relative;scroll-behavior:auto}
.cbt-answer-item{padding:0 0 24px;margin:0 0 24px;border-bottom:1px solid #e0e7db;scroll-margin-top:12px}
.cbt-answer-item:last-of-type{margin-bottom:0}
.cbt-item-meta{font-size:12px;line-height:1.6;color:#75836e;font-variant-numeric:tabular-nums;margin-bottom:8px}
.cbt-answer-item.current .cbt-item-meta{color:#28554a;font-weight:600}
.cbt-answer-item .cbt-stem{margin:12px 0 20px}
@media(max-width:900px){.cbt-reading-paper{padding:22px 18px}.cbt-reading-paper .cbt-reading-text{font-size:calc(17px * var(--cbt-scale,1))}.cbt-original-pages{padding:4px}.cbt-answer-item{padding-bottom:18px;margin-bottom:20px}}
.cbt-item-meta{display:flex;align-items:center;justify-content:space-between;gap:8px}
.cbt-item-meta .pz-btn{font-size:10px!important;min-height:28px;padding:4px 8px;font-weight:400}

.pp-paper-card .pp-score-summary{font-size:12px;display:flex;justify-content:center;gap:20px;color:#40594e;padding:10px 0}
.pp-section-scores{width:100%;border-collapse:collapse;font-size:10px;margin:0 0 16px;color:#68776e;table-layout:fixed}
.pp-section-scores th{font-weight:500;color:#8a958e;font-size:9px;text-align:right;padding:7px 3px;border-bottom:1px solid #e5e9e0}
.pp-section-scores td{text-align:right;padding:7px 3px;border-bottom:1px solid #eef0eb;line-height:1.6;overflow-wrap:anywhere}
.pp-section-scores th:first-child,.pp-section-scores td:first-child{text-align:left;width:43%}.pp-section-scores th:nth-child(2){width:12%}.pp-section-scores th:nth-child(3){width:25%}.pp-section-scores td:last-child{font-weight:600;color:#40594e}
/* A4 比例的小尺寸试卷 */
.pp-paper-grid{grid-template-columns:repeat(auto-fill,300px)!important;gap:26px!important;justify-content:start;align-items:start}
.pp-paper-card{box-sizing:border-box;width:300px;min-height:424px;aspect-ratio:1 / 1.414;padding:19px 18px 18px 32px;border-radius:1px;background:linear-gradient(90deg,#f5f5ef 0,#fafbf7 23px,#fff 24px);box-shadow:3px 3px 0 #fafbf7,4px 4px 0 #dfe3d9,6px 6px 0 #fff,7px 7px 0 #e5e8df,0 5px 13px #253a280c}
.pp-paper-card .pp-card-meta{font-size:11px}.pp-paper-card .pp-card-meta small{font-size:10px}.pp-paper-card h4{font-size:23px;margin:22px 0 15px;line-height:1.5}.pp-paper-card .pp-score-summary{font-size:11px;gap:15px}.pp-paper-card>small{font-size:9px;margin-bottom:14px}.pp-paper-card .pp-card-bottom{padding-top:12px;gap:10px}.pp-paper-card .pp-card-actions .pz-btn{min-width:92px;height:34px;min-height:34px;font-size:11px!important;padding:0 12px}.pp-section-scores{font-size:9px}.pp-section-scores td,.pp-section-scores th{padding:5px 2px}.pp-section-scores th{font-size:8px}
@media(max-width:420px){.pp-paper-grid{grid-template-columns:minmax(0,300px)!important}.pp-paper-card{width:100%;min-height:424px}}

/* 精简试卷摘要，题型每项单行 */
.pp-paper-card .pp-score-summary{gap:18px;white-space:nowrap}
.pp-section-scores{font-size:8px;table-layout:fixed}
.pp-section-scores th{font-size:8px;white-space:nowrap}
.pp-section-scores td{white-space:nowrap;overflow-wrap:normal;padding:6px 1px;font-size:8px}
.pp-section-scores th:first-child,.pp-section-scores td:first-child{width:64%;font-size:7.5px;letter-spacing:-.1px}
.pp-section-scores th:nth-child(2){width:9%}.pp-section-scores th:nth-child(3){width:16%}.pp-section-scores th:last-child{width:11%}
.pp-section-scores td:last-child{font-weight:500}

/* 紧凑试卷卡片，取消固定纸张留白 */
.pp-paper-grid{grid-template-columns:repeat(auto-fill,270px)!important;gap:24px!important}
.pp-paper-grid .pp-paper-card{width:270px;aspect-ratio:auto;min-height:0;padding:16px 15px 16px 29px}
.pp-paper-grid .pp-paper-card h4{font-size:21px;margin:15px 0 12px;line-height:1.5}
.pp-paper-card .pp-card-meta{font-size:10px}.pp-paper-card .pp-card-meta small{font-size:9px;padding:2px 5px}
.pp-paper-card .pp-score-summary{font-size:10px;padding:7px 0;margin-bottom:8px}
.pp-paper-card .pp-section-scores{margin-bottom:8px}.pp-paper-card .pp-section-scores td{padding:4px 1px}.pp-paper-card .pp-section-scores th{padding:4px 1px}
.pp-paper-grid .pp-paper-card .pp-card-bottom{margin-top:8px;padding-top:10px;gap:8px}
.pp-paper-grid .pp-paper-card .pp-card-actions .pz-btn{height:30px;min-height:30px;min-width:84px;padding:0 10px;font-size:10px!important}
.pp-paper-grid .pp-paper-card::before{top:16px;bottom:16px;left:8px}
@media(max-width:420px){.pp-paper-grid{grid-template-columns:minmax(0,270px)!important}.pp-paper-grid .pp-paper-card{width:100%;min-height:0;aspect-ratio:auto}}

/* 试卷操作使用辅助金色，区别于品牌标识 */
.pp-paper-card .pp-card-actions .pz-btn-primary{background:#eee2bd!important;color:#695532!important;border-color:#dfcc98!important;box-shadow:0 1px 3px #7d684014;font-weight:600}
.pp-paper-card .pp-card-actions .pz-btn-primary:hover{background:#e5d4a4!important;color:#584525!important;border-color:#cfb678!important}
.pp-paper-card .pp-card-actions .pz-btn-primary:focus-visible{outline:2px solid #a58d62;outline-offset:2px;background:#eee2bd!important;color:#695532!important}

/* 与科目小开本保持同级体量；使用通用操作按钮 */
.pp-paper-grid{grid-template-columns:repeat(auto-fill,230px)!important;gap:24px!important}
.pp-paper-grid .pp-paper-card{width:230px;height:210px;min-height:0;aspect-ratio:auto;padding:12px 12px 12px 25px;overflow:visible}
.pp-paper-card .pp-card-meta{font-size:9px;padding-bottom:5px}.pp-paper-card .pp-card-meta small{font-size:8px;padding:1px 4px}
.pp-paper-grid .pp-paper-card h4{font-size:18px;margin:7px 0;line-height:1.4}
.pp-paper-card .pp-score-summary{font-size:9px;padding:4px 0;margin:0 0 4px;gap:15px}
.pp-paper-card .pp-section-scores{display:block;width:100%;max-height:65px;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;margin:0 0 4px;font-size:7px}
.pp-section-scores thead,.pp-section-scores tbody{display:table;width:100%;table-layout:fixed}.pp-section-scores thead{position:sticky;top:0;background:#fff;z-index:1}
.pp-paper-card .pp-section-scores td,.pp-paper-card .pp-section-scores th{padding:2px 1px;font-size:7px;line-height:1.5}
.pp-paper-card .pp-section-scores td:first-child{font-size:6px;overflow:hidden;text-overflow:ellipsis}
.pp-paper-grid .pp-paper-card .pp-card-bottom{margin-top:auto;padding-top:5px;gap:4px}.pp-paper-card .pp-card-bottom>span{font-size:8px}
.pp-paper-grid .pp-paper-card .pp-card-actions .pz-btn{height:25px;min-height:25px;min-width:72px;padding:0 8px;font-size:9px!important;border-radius:6px;background:#fff!important;color:#405e50!important;border:1px solid #d7e0d9!important;box-shadow:0 1px 3px #263f3008}
.pp-paper-grid .pp-paper-card .pp-card-actions .pz-btn:hover{background:#f0f4ef!important;border-color:#a8bcae!important;color:#294c40!important}
.pp-paper-grid .pp-paper-card .pp-card-actions .pz-btn:focus-visible{background:#fff!important;color:#405e50!important;outline:2px solid #8fa99a;outline-offset:2px}
@media(max-width:420px){.pp-paper-grid{grid-template-columns:minmax(0,230px)!important}.pp-paper-grid .pp-paper-card{width:100%;height:210px;min-height:0}}


/* Personal reading annotations: a compact toolbar, contextual editor and searchable list. */
.ann-yellow{--ann-soft:#f7e7a5;--ann-strong:#ad831c}.ann-green{--ann-soft:#d4e8c5;--ann-strong:#4e7c40}.ann-blue{--ann-soft:#cde2f5;--ann-strong:#3c78a8}.ann-pink{--ann-soft:#f4d5df;--ann-strong:#b65c7a}
.cbt-annotation-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:10px 16px;border-bottom:1px solid #e1e7dc;background:#fafbf7;flex-shrink:0}
.cbt-annotation-ui{font-family:system-ui,-apple-system,'PingFang SC',sans-serif;color:#2e4437;font-size:12px;box-sizing:border-box}
.cbt-annotation-ui *{box-sizing:border-box}.cbt-annotation-ui button{font:inherit;cursor:pointer;color:inherit;border:1px solid #dce4d8;border-radius:6px;background:#fff;line-height:1.4;padding:6px 9px}.cbt-annotation-ui button:disabled{opacity:.38;cursor:default}.cbt-annotation-ui button:focus-visible,.cbt-annotation-ui :is(input,textarea):focus-visible{outline:2px solid #729381;outline-offset:2px}.cbt-annotation-ui button:hover:not(:disabled){border-color:#91aa86;background:#f0f5eb}
.ann-colors,.ann-types{display:flex;align-items:center;gap:5px}.cbt-annotation-ui .ann-swatch{width:25px;height:25px;padding:0;border-radius:50%;background:var(--ann-soft);border:1px solid transparent;color:var(--ann-strong);font-size:14px;font-weight:650;box-shadow:inset 0 0 0 2px #ffffffa0}.cbt-annotation-ui .ann-swatch[aria-pressed=true]{outline:1.5px solid var(--ann-strong);outline-offset:2px}.cbt-annotation-ui .ann-swatch:hover:not(:disabled){background:var(--ann-soft);border-color:var(--ann-strong)}
.ann-types>button{border-color:transparent;background:transparent;white-space:nowrap}.ann-types>button[aria-pressed=true]{background:#e8efe4;color:#28554a;border-color:#cddbc5;font-weight:600}.ann-types>button:nth-child(2){text-decoration:underline;text-underline-offset:3px}.ann-types>button:nth-child(3){text-decoration:line-through}.ann-divider{height:20px;width:1px;background:#dce3d7;margin:0 3px}.cbt-annotation-ui .ann-icon-button{border:0;background:transparent;font-size:21px;line-height:1;padding:3px 5px;min-width:26px}.ann-list-button{margin-left:auto;white-space:nowrap}.ann-list-button>span{font-size:10px;padding:1px 5px;background:#edf2e9;border-radius:4px;margin-left:4px}.ann-toolbar-hint{width:100%;font-size:10px;line-height:1.4;color:#87917e}
.cbt-annotation{color:inherit;padding:0;border-radius:2px;cursor:pointer;box-decoration-break:clone;-webkit-box-decoration-break:clone}.cbt-annotation.ann-highlight{background:var(--ann-soft)}.cbt-annotation.ann-underline{background:transparent;text-decoration:underline 2px var(--ann-strong);text-underline-offset:4px}.cbt-annotation.ann-strike{background:transparent;text-decoration:line-through 2px var(--ann-strong)}.cbt-annotation.ann-active{outline:1px solid var(--ann-strong);outline-offset:2px}.cbt-annotation.ann-has-note{border-bottom:1px dotted var(--ann-strong)}
.cbt-pdf-annotation.ann-highlight{background:color-mix(in srgb,var(--ann-soft) 70%,transparent)}.cbt-pdf-annotation.ann-underline{box-shadow:inset 0 -2px var(--ann-strong)}.cbt-pdf-annotation.ann-strike{background:linear-gradient(transparent 46%,var(--ann-strong) 46%,var(--ann-strong) 54%,transparent 54%)}
.cbt-annotation-float{position:fixed;z-index:1100;background:#fff;border:1px solid #d7e1d1;border-radius:12px;box-shadow:0 12px 45px #18321c2a;overflow:auto;max-height:calc(100dvh - 24px);padding:14px;display:grid;gap:12px}
.cbt-annotation-float>header{display:flex;justify-content:space-between;align-items:center;font-size:12px}.cbt-annotation-float>header>button,.cbt-annotation-panel>header>button{border:0;background:transparent;font-size:21px;line-height:1;padding:0 4px}.cbt-annotation-float blockquote{font:12px/1.65 Georgia,'Songti SC',serif;margin:0;max-height:68px;overflow:auto;padding:8px 10px;border-left:3px solid #c7d8bd;background:#f6f8f3;color:#68785e;white-space:pre-wrap;overflow-wrap:anywhere}.cbt-annotation-float .ann-types{padding-top:3px}.ann-note-label{display:grid;gap:7px;font-size:11px;color:#7a8971}.ann-note-label textarea{resize:vertical;width:100%;min-height:96px;max-height:200px;border:1px solid #dce4d5;border-radius:7px;padding:10px;background:#fcfdf9;font:12px/1.7 system-ui;color:#31452e}.cbt-annotation-float>footer{display:flex;align-items:center;gap:8px;justify-content:flex-end}.ann-note-count{margin-left:auto;font-size:10px;color:#95a08c}.cbt-annotation-ui .ann-save{background:#28554a;color:#fff;border-color:#28554a;white-space:nowrap}.cbt-annotation-ui .ann-save:hover:not(:disabled){background:#21473d;border-color:#21473d}.cbt-annotation-ui .ann-delete{border:0;background:transparent;color:#ae6653;padding-left:0}.cbt-annotation-ui .ann-add-note{justify-self:start;border:0;padding:0;background:transparent;font-size:12px;color:#58724a}
.cbt-annotation-panel{position:absolute;inset:0 0 0 auto;width:min(350px,100%);z-index:8;display:flex;flex-direction:column;background:#fff;border-left:1px solid #d8e3d1;box-shadow:-12px 0 40px #1d351e15}.cbt-annotation-panel>header{display:flex;align-items:center;justify-content:space-between;padding:24px 20px 18px;border-bottom:1px solid #e7ece1;gap:12px}.cbt-annotation-panel h2{font-size:19px;font-weight:600;margin:5px 0 0}.cbt-annotation-panel h2 small{font-size:12px;font-weight:400;color:#849579;margin-left:5px}.cbt-annotation-panel>header>div>span{font-size:10px;color:#8a997e}.ann-panel-search{padding:16px 18px 12px}.ann-panel-search input{border:1px solid #dfe7d8;border-radius:7px;padding:9px 11px;width:100%;font:12px/1.4 system-ui;color:#354b2c;background:#fafcf7}.ann-panel-filters{display:flex;gap:6px;padding:0 18px 14px}.ann-panel-filters>button{font-size:11px;border-color:transparent;background:#f5f7f0}.ann-panel-filters>button[aria-pressed=true]{color:#28554a;background:#e5eedf}.ann-panel-list{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:0 18px 18px}.cbt-annotation-ui .ann-list-item{display:block;width:100%;text-align:left;padding:13px 12px;margin:0 0 10px;border:1px solid #e4e9dd;border-left:3px solid var(--ann-strong);background:#fff}.ann-list-item.active{box-shadow:0 0 0 1px var(--ann-strong)}.ann-list-meta{display:block;font-size:10px;color:#8b997f;line-height:1.4;margin-bottom:7px}.ann-list-item q{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font:13px/1.65 Georgia,'Songti SC',serif;color:#36492f;quotes:none;overflow-wrap:anywhere}.ann-list-item p{margin:10px 0 0;padding-top:9px;border-top:1px solid #edf0e7;font-size:12px;line-height:1.65;color:#77876a;white-space:pre-wrap;overflow-wrap:anywhere}.cbt-annotation-panel>footer{padding:14px 18px;border-top:1px solid #e6ecde;display:flex;align-items:center;gap:12px;font-size:10px;color:#96a28c}.cbt-annotation-panel>footer>button{font-size:11px}.ann-empty{padding:45px 10px;text-align:center;line-height:1.8;color:#8c9b80}.ann-empty b{font-size:13px;font-weight:500;color:#607653}.ann-empty p{font-size:11px}
@media(max-width:900px){.cbt-annotation-toolbar{padding:9px 10px;gap:7px}.cbt-annotation-toolbar .ann-types{gap:2px}.cbt-annotation-toolbar .ann-types>button{padding:5px 6px;font-size:11px}.ann-toolbar-hint{display:none}.cbt-annotation-panel{width:min(330px,100%)}.cbt-annotation-float{font-size:12px}}
.cbt-pdf-word>.cbt-pdf-annotation{position:absolute;top:0;bottom:0;display:block;pointer-events:none;border-radius:1px}
@media(max-width:900px){.cbt-annotation-ui .ann-swatch{width:32px;height:32px;min-height:32px;min-width:32px;flex-shrink:0}.cbt-annotation-toolbar .ann-colors{gap:7px}}