.sab-tabs{display:flex;gap:6px;flex-wrap:wrap}.sab-tabs button,.sab-btn{border:1px solid #cbd5e1;background:#fff;border-radius:7px;padding:8px 12px;font-size:12px;font-weight:600;color:#334155;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:5px}.sab-tabs .active,.sab-btn.primary{background:#2563eb;border-color:#2563eb;color:#fff}.sab-btn:hover{filter:brightness(.97)}.sab-btn:focus-visible,.sab-filter summary:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}.sab-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.sab-filter{position:relative}.sab-filter summary{list-style:none;min-width:128px;border:1px solid #cbd5e1;padding:9px 12px;border-radius:7px;font-size:13px;background:white;cursor:pointer;display:flex;justify-content:space-between;gap:14px}.sab-filter summary::-webkit-details-marker{display:none}.sab-filter summary:after{content:'⌄';color:#64748b}.sab-options{position:absolute;z-index:40;top:43px;left:0;min-width:100%;width:max-content;max-height:280px;overflow:auto;background:white;border:1px solid #e2e8f0;border-radius:8px;padding:5px;box-shadow:0 12px 30px #0f172a20}.sab-options button{display:block;width:100%;border:0;background:white;padding:9px 12px;text-align:left;font-size:13px;cursor:pointer}.sab-options button:hover,.sab-options button[aria-selected=true]{background:#eff6ff;color:#1d4ed8}.sab-filter-panel{border:1px solid #dbe3ee;border-radius:8px;padding:18px 20px;background:white;margin-bottom:22px}.sab-filter-top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.sab-filter-top h4{font-size:14px;font-weight:700;color:#0f172a;margin:0}.sab-muted{font-size:12px;color:#64748b;line-height:1.65}.sab-search{border:1px solid #cbd5e1;border-radius:7px;padding:9px 11px;font-size:13px;width:210px;max-width:100%;background:white}.sab-stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;border-top:1px solid #edf0f5;margin-top:16px;padding-top:14px}.sab-stats span{font-size:11px;color:#64748b;display:block}.sab-stats strong{font-size:20px;color:#0f172a;display:block;margin-top:3px}.sab-stats small{font-size:12px;color:#94a3b8}.sab-status{padding:10px 13px;border:1px solid #fde68a;background:#fffbeb;color:#92400e;font-size:12px;line-height:1.7;border-radius:6px;margin-top:14px}.sab-case{border:1px solid #dbe3ee;border-radius:9px;overflow:hidden;margin-bottom:26px;background:#fff;scroll-margin-top:85px}.sab-case-head{padding:16px 19px;background:#f7f9fc;border-bottom:1px solid #dbe3ee;display:flex;justify-content:space-between;align-items:center;gap:12px}.sab-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:#0f172a;font-size:15px;font-weight:700}.sab-tag{font-size:11px;border-radius:20px;border:1px solid #dbe3ee;background:#fff;padding:3px 8px;color:#64748b;font-weight:500}.sab-tag.blue{background:#eff6ff;color:#2563eb;border-color:#dbeafe}.sab-case-meta{padding:14px 19px;display:grid;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);gap:24px;border-bottom:1px solid #e2e8f0;font-size:13px;line-height:1.8;color:#334155}.sab-label{display:block;font-size:11px;color:#64748b;margin-bottom:4px}.sab-checklist{display:flex;gap:5px;flex-wrap:wrap}.sab-checklist span{padding:2px 7px;border:1px solid #e2e8f0;background:#f8fafc;border-radius:4px;font-size:11px}.sab-pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;padding:16px}.sab-variant{min-width:0;border:1px solid #cbd5e1;border-radius:8px;overflow:hidden;background:white}.sab-variant.new{border-color:#93b7fe}.sab-variant-head{padding:12px 13px;background:#f8fafc;border-bottom:1px solid #e2e8f0}.sab-variant.new .sab-variant-head{background:#eff6ff}.sab-variant-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;font-weight:700;color:#1e293b}.sab-variant-head .sab-toolbar{margin-top:9px;gap:6px}.sab-variant-head .sab-btn{padding:6px 9px;font-size:11px}.sab-identity{font-size:10px;color:#64748b;margin-top:5px;word-break:break-all}.sab-preview{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;position:relative;background:#f1f5f9;border-bottom:1px solid #e2e8f0;overflow:hidden}.sab-preview img{width:100%;height:100%;object-fit:contain}.sab-preview iframe{width:100%;height:100%;border:0;background:white}.sab-empty{text-align:center;color:#64748b;padding:25px;line-height:1.9;font-size:12px}.sab-empty strong{display:block;color:#475569;font-size:14px}.sab-proof{padding:12px 13px;border-bottom:1px solid #edf0f5;font-size:12px;line-height:1.75;color:#475569}.sab-proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.sab-proof-grid span{display:flex;justify-content:space-between;gap:8px}.sab-proof-grid b{font-size:11px;font-weight:500;color:#94a3b8}.sab-proof-grid b.pass{color:#15803d}.sab-proof-grid b.fail{color:#b91c1c}.sab-proof-note{margin-top:9px;font-size:11px;white-space:pre-wrap}.sab-score{padding:13px}.sab-score-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;font-weight:700}.sab-toggle{display:flex;gap:3px}.sab-toggle button{border:1px solid #dbe3ee;background:#fff;color:#64748b;border-radius:4px;padding:3px 7px;font-size:10px;cursor:pointer}.sab-toggle button.active{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}.sab-dim{display:grid;grid-template-columns:84px minmax(0,1fr) 30px;align-items:center;gap:10px;font-size:11px;color:#475569;margin-top:8px}.sab-dim input{margin:7px 0}.sab-dim output{color:#2563eb;text-align:right}.sab-textarea{width:100%;resize:vertical;min-height:65px;border:1px solid #dbe3ee;border-radius:6px;padding:9px;font-size:12px;line-height:1.6;font-weight:400;margin-top:9px}.sab-textarea::placeholder{color:#94a3b8;font-weight:400}.sab-verdict{padding:12px 16px;background:#f8fafc;border-top:1px solid #e2e8f0;display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-size:12px}.sab-verdict button.selected{border-color:#2563eb;background:#eff6ff;color:#1d4ed8}.sab-dialog{border:0;border-radius:12px;padding:0;width:min(900px,94vw);max-height:88vh;box-shadow:0 24px 80px #0f172a44;color:#1e293b}.sab-dialog::backdrop{background:#0f172a88}.sab-dialog-head{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;padding:17px 20px;border-bottom:1px solid #e2e8f0;background:white;z-index:1}.sab-dialog-body{padding:20px;line-height:1.8;font-size:13px}.sab-dialog pre{white-space:pre-wrap;word-break:break-word;font:12px/1.85 'PingFang SC','Microsoft YaHei',sans-serif;background:#f8fafc;padding:15px;border:1px solid #e2e8f0;border-radius:6px}.sab-count-note{margin:12px 0;font-size:12px;color:#64748b}.sab-screenshot-nav{display:flex;gap:5px;margin-top:8px}.sab-noscore{font-size:11px;font-weight:400;color:#64748b}.sab-load-error{padding:30px;text-align:center;color:#b91c1c}.sab-proof a{color:#2563eb;text-decoration:underline}.sab-comparison-summary{font-size:12px;line-height:1.8;color:#334155;white-space:pre-wrap;padding:14px 18px;background:#f8fafc;border-top:1px solid #e2e8f0}
@media(max-width:800px){#view-self-style>div>#style-ab-workbench{padding:12px}#view-self-style>div>.sab-tabs{padding-left:12px;padding-right:12px}.sab-pair{grid-template-columns:minmax(0,1fr);padding:8px;gap:14px}.sab-case-meta{grid-template-columns:1fr;gap:12px;padding:12px}.sab-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.sab-case-head{align-items:flex-start;padding:12px}.sab-filter-panel{padding:12px}.sab-dim{grid-template-columns:70px minmax(0,1fr) 28px;gap:6px}.sab-search{width:100%}.sab-filter-top>.sab-toolbar{width:100%}.sab-filter summary{min-width:100px}.sab-title{font-size:14px}.sab-case-head>.sab-btn{white-space:nowrap;padding:6px;font-size:11px}.sab-proof-grid{grid-template-columns:1fr}.sab-verdict{padding:12px}}

.sab-revision-note{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 19px;background:#fffbeb;color:#854d0e;border-bottom:1px solid #fde68a;font-size:12px;line-height:1.8}.sab-revision-notice{padding:14px;background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;margin-top:16px;font-size:13px;line-height:1.8;color:#9a3412}.sab-revision-notice .sab-toolbar{margin-top:10px}.sab-variant[data-review-status="rejected"]{border-color:#fca5a5}.sab-variant[data-review-status="rejected"] .sab-variant-head{background:#fff1f2}.sab-variant[data-review-status="rejected"] .sab-tag{color:#9f1239;border-color:#fecdd3;background:#fff1f2}

.sab-dialog-body{overflow-wrap:anywhere}.sab-dialog-head b{min-width:0;overflow-wrap:anywhere}

/* 默认运行课件；截图仅作为手动切换的实测证据。 */
.sab-preview-mode{font-size:10px;line-height:1.6;color:#64748b;background:#fff;padding:5px 12px;border-bottom:1px solid #e2e8f0}.sab-toolbar .sab-btn.selected,.sab-screenshot-nav .sab-btn.selected{color:#1d4ed8;border-color:#93b7fe;background:#eff6ff}.sab-screenshot-nav{flex-wrap:wrap;align-items:center}.sab-case-head>.sab-toolbar{flex-shrink:0}@media(max-width:700px){.sab-case-head{flex-wrap:wrap}.sab-case-head>.sab-toolbar{flex-shrink:1}}

.sab-preview-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#f1f5f9;color:#64748b;padding:18px;text-align:center;font-size:12px;line-height:1.8;z-index:1}
.sab-version{max-width:100%;min-width:0}.sab-version summary{min-width:0;max-width:100%;padding:4px 10px;color:#1d4ed8;font-size:11px;font-weight:600;background:#fff;border-color:#bfdbfe;white-space:normal}.sab-version .sab-options{max-width:min(360px,80vw)}.sab-version .sab-options button{white-space:normal;line-height:1.45}

.sab-version .sab-options button.selected{background:#eff6ff;color:#1d4ed8}