* { box-sizing: border-box; }
body { margin: 0; font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  background: #f2f4f8; color: #1f2937; line-height: 1.6; }
a { color: #1a56db; text-decoration: none; }
a:hover { text-decoration: underline; }

/* 顶部导航：吸顶 + 毛玻璃 */
.topbar { position: sticky; top: 0; z-index: 100; display: flex; align-items: center;
  gap: 4px; padding: 0 20px; height: 52px; flex-wrap: nowrap;
  background: rgba(26, 40, 68, .96); backdrop-filter: blur(8px);
  box-shadow: 0 1px 8px rgba(0,0,0,.18); }
.topbar .brand { font-weight: 700; color: #fff; margin-right: 14px; white-space: nowrap; font-size: 15px; }
.topbar > a, .topbar .menu-label { color: #b8c6dd; padding: 6px 12px; border-radius: 8px;
  font-size: 14px; white-space: nowrap; transition: all .15s; }
.topbar > a:hover, .topbar .menu-label:hover { color: #fff; background: rgba(255,255,255,.1); text-decoration: none; }
.topbar a.on, .topbar .menu-label.on { color: #fff; background: rgba(255,255,255,.16); font-weight: 600; }
.topbar .nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.topbar .btn-cta { background: #16a34a; color: #fff !important; padding: 6px 14px; border-radius: 8px;
  font-size: 13px; font-weight: 600; white-space: nowrap; transition: background .15s; }
.topbar .btn-cta:hover { background: #15803d; text-decoration: none; }

/* 设置下拉菜单：悬停/点击均可用 */
.menu { position: relative; display: inline-block; }
.menu-list { display: none; position: absolute; right: 0; top: 100%; min-width: 128px; z-index: 200;
  background: #fff; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.16); padding: 6px; }
.menu-list a { display: block; padding: 9px 14px; color: #1f2937; font-size: 14px;
  border-radius: 6px; white-space: nowrap; }
.menu-list a:hover { background: #eef2fb; color: #1a56db; text-decoration: none; }
.menu:hover .menu-list, .menu:focus-within .menu-list { display: block; }

/* 布局与卡片 */
.wrap { max-width: 1040px; margin: 24px auto; padding: 0 16px; }
.card { background: #fff; border: 1px solid #e5e8ef; border-radius: 14px;
  padding: 20px 24px; margin-bottom: 18px; box-shadow: 0 1px 4px rgba(16,24,40,.05); }
.card h3 { margin-top: 0; font-size: 17px; color: #111827; padding-bottom: 10px;
  border-bottom: 1px solid #f0f2f6; margin-bottom: 14px; }
details.card > summary { font-size: 14px; color: #6b7280; cursor: pointer; }

/* 提示条 */
.flash { background: #fffbeb; border-bottom: 1px solid #fde68a; padding: 10px 20px; }
.flash p { margin: 4px 0; color: #92400e; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border-bottom: 1px solid #eef0f4; padding: 10px 12px; text-align: left; }
th { background: #f7f8fb; color: #4b5563; font-weight: 600; font-size: 13px; }
tbody tr:hover, tr:hover td { background: #f8fafd; }

/* 表单 */
input[type=text], input[type=password], input[type=number], input[type=datetime-local], select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid #d1d5db; border-radius: 8px;
  font-size: 14px; margin: 4px 0 12px; background: #fff; transition: border-color .15s, box-shadow .15s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: #1a56db;
  box-shadow: 0 0 0 3px rgba(26,86,219,.12); }
textarea { min-height: 110px; }
label { font-size: 13px; color: #374151; font-weight: 600; }

/* 按钮 */
button, .btn { background: #1a56db; color: #fff; border: 0; border-radius: 8px;
  padding: 9px 20px; font-size: 14px; cursor: pointer; display: inline-block;
  transition: background .15s, transform .05s; }
button:hover, .btn:hover { background: #1440b8; text-decoration: none; }
button:active, .btn:active { transform: translateY(1px); }
.btn.gray { background: #6b7280; } .btn.gray:hover { background: #4b5563; }
.btn.green { background: #16a34a; } .btn.green:hover { background: #15803d; }
.btn.red { background: #dc2626; } .btn.red:hover { background: #b91c1c; }
td.ops { white-space: nowrap; }
td.ops form { display: inline; margin-left: 6px; }
td.ops .btn { padding: 4px 12px; font-size: 13px; }

/* 统计数字 */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.stat { background: #fff; border: 1px solid #e5e8ef; border-radius: 14px; padding: 16px 18px;
  box-shadow: 0 1px 4px rgba(16,24,40,.05); }
.stat .num { font-size: 28px; font-weight: 700; color: #1a56db; }
.stat .lbl { font-size: 13px; color: #6b7280; }

/* 标签 */
.tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px;
  background: #e3ecfd; color: #1a56db; font-weight: 500; }
.tag.red { background: #fee2e2; color: #b91c1c; }
.tag.green { background: #dcfce7; color: #15803d; }
.tag.orange { background: #ffedd5; color: #c2410c; }

.filters a { margin-right: 12px; }
.filters a.on { font-weight: 700; color: #dc2626; }
.formgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
@media (max-width: 640px) { .formgrid { grid-template-columns: 1fr; } }
.center-box { max-width: 420px; margin: 60px auto; }
.big-ok { font-size: 40px; color: #16a34a; }
.mono { font-family: Consolas, monospace; }
.classbox { border: 1px solid #d1d5db; border-radius: 8px; padding: 8px 12px;
  margin: 4px 0 12px; background: #f9fafb; }

/* 手机端微调 */
@media (max-width: 640px) {
  html, body { max-width: 100%; overflow-x: hidden; }
  .wrap { margin: 14px auto; padding: 0 10px; }
  .card { padding: 16px; border-radius: 12px; }
  table { font-size: 13px; }
  th, td { padding: 8px 6px; }
  /* 导航栏收窄，保证不溢出 */
  .topbar { padding: 0 8px; gap: 0; height: 48px; }
  .topbar .brand { display: none; }
  .topbar > a, .topbar .menu-label { padding: 6px 8px; font-size: 13px; }
  .topbar .btn-cta { padding: 5px 10px; font-size: 12px; }
}

/* ===== 2026-08 固定界面与补交流程 ===== */
.current-course-grid,.result-columns,.settings-entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.current-course-card{display:block;text-decoration:none;color:inherit;border:1px solid #dbe5f0;transition:.15s ease}
.current-course-card:hover{border-color:#2f78bd;transform:translateY(-1px)}
.course-card-top,.course-progress-line,.result-panel-head,.result-row,.batch-toolbar,.automatic-note-status{display:flex;align-items:center;justify-content:space-between;gap:14px}
.course-card-top{color:#587087;font-size:13px}.current-course-card h3{margin:12px 0 5px}.current-course-card>p{color:#66758a}
.course-progress-line{margin-top:14px;padding:12px;border-radius:10px;background:#f3f7fb}.course-progress-line span{font-size:12px;color:#68778b}
.course-fixed-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.course-fixed-actions span{text-align:center;padding:8px;border-radius:8px;background:#e9f2fb;color:#175b96;font-weight:700}
.result-heading{margin-top:28px}.result-panel{padding:0;overflow:hidden}.result-panel-head{padding:18px 20px;border-bottom:1px solid #e6edf4}.result-panel-head h3{margin:3px 0 0}.result-kicker{font-size:12px;font-weight:800;color:#2f6fae}
.result-row{padding:14px 20px;text-decoration:none;color:inherit;border-bottom:1px solid #edf1f5}.result-row:last-child{border-bottom:0}.result-row span{display:flex;flex-direction:column}.result-row small{color:#718095;margin-top:4px}.result-count{text-align:right}.result-count b{font-size:20px}
.settings-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:18px 0}.settings-grid label{display:flex;flex-direction:column;gap:8px;padding:16px;border-radius:11px;background:#f4f7fb}.settings-grid label span,.lock-note{color:#6a788b;font-size:13px}.settings-grid input{padding:9px;border:1px solid #cbd6e2;border-radius:7px;background:#fff}
.settings-entry{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit}.settings-entry span{color:#6a788b}.batch-toolbar{justify-content:flex-start;flex-wrap:wrap;margin-bottom:15px}.batch-toolbar input[type=number]{width:72px}.makeup-reason{display:inline-block;max-width:320px;white-space:normal}.automatic-note-status{margin-top:16px}.automatic-note-status h2{margin:4px 0}.automatic-note-count{display:flex;flex-direction:column;align-items:flex-end}.automatic-note-count b{font-size:28px}.lesson-action-card.progress{background:#f2f7ff;border-color:#8ab3e1;color:#195f9e}
.makeup-target-card{margin-bottom:12px}.makeup-target-card textarea,.makeup-apply-box textarea{display:block;width:100%;min-height:78px;margin:8px 0;padding:9px;border:1px solid #ccd6e2;border-radius:8px}.makeup-reason-line,.fixed-task-note{color:#765b19;background:#fff8df;padding:8px 10px;border-radius:7px}.alert-link{color:#b44b18!important;font-weight:700}
@media(max-width:760px){.current-course-grid,.result-columns,.settings-entry-grid,.settings-grid{grid-template-columns:1fr}.automatic-note-status,.batch-toolbar{align-items:flex-start;flex-direction:column}.automatic-note-count{align-items:flex-start}.topbar{overflow-x:auto;white-space:nowrap}}

/* 周切换控件 */
.weeknav { display: inline-flex; align-items: center; gap: 4px; }
.weeknav a { display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 8px; background: #eef2fb; color: #1a56db;
  font-size: 18px; font-weight: 700; line-height: 1; transition: background .15s; }
.weeknav a:hover { background: #dbe6fb; text-decoration: none; }
.weeknav a.disabled { background: #f3f4f6; color: #c3c9d4; pointer-events: none; }
.weeknav b { font-size: 16px; padding: 0 8px; white-space: nowrap; }

/* 教师首页：行动优先 */
.teacher-home { max-width: 1180px; }
.home-hero { display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 28px 32px; color: #fff; border-radius: 18px; margin-bottom: 16px;
  background: linear-gradient(135deg, #172b4d 0%, #1f4c83 58%, #1a56db 100%);
  box-shadow: 0 12px 30px rgba(23,43,77,.18); }
.home-hero h1 { margin: 2px 0; font-size: 26px; letter-spacing: .02em; }
.eyebrow { margin: 0; color: #587095; font-size: 11px; line-height: 1.2; font-weight: 800;
  letter-spacing: .15em; text-transform: uppercase; }
.home-hero .eyebrow { color: #bcd3f2; }
.hero-sub { margin: 4px 0 0; color: #d9e6f7; font-size: 14px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.btn-primary-lg { background: #22a45a; padding: 11px 20px; font-weight: 700; }
.btn-soft { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.24); }
.btn-soft:hover { background: rgba(255,255,255,.22); }

.action-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 26px; }
.action-metric { min-width: 0; display: flex; flex-direction: column; padding: 13px 14px;
  border: 1px solid #e3e8f1; border-radius: 12px; background: #fff; color: #5c677a;
  box-shadow: 0 1px 3px rgba(16,24,40,.04); transition: transform .15s, box-shadow .15s; }
.action-metric:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 7px 16px rgba(16,24,40,.09); }
.action-metric .metric-number { font-size: 24px; line-height: 1.1; font-weight: 800; color: #243858; }
.action-metric span:last-child { margin-top: 5px; font-size: 12px; white-space: nowrap; }
.action-metric.blue { border-top: 3px solid #3b82f6; }
.action-metric.green { border-top: 3px solid #22a45a; }
.action-metric.orange { border-top: 3px solid #f59e0b; }
.action-metric.red { border-top: 3px solid #dc2626; background: #fffafa; }
.action-metric.muted { border-top: 3px solid #cbd5e1; }

.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin: 20px 2px 12px; }
.section-heading h2 { margin: 2px 0 0; color: #152238; font-size: 22px; line-height: 1.3; }
.section-heading p:not(.eyebrow) { margin: 3px 0 0; color: #728096; font-size: 13px; }
.empty-state { display: flex; align-items: center; gap: 16px; padding: 24px; background: #fff;
  border: 1px dashed #cbd5e1; border-radius: 14px; color: #5c677a; }
.empty-state p { margin: 2px 0 0; font-size: 13px; }
.empty-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: #dcfce7; color: #15803d; font-weight: 900; }

.today-lessons { display: grid; gap: 12px; }
.today-lesson { background: #fff; border: 1px solid #e2e7ef; border-radius: 15px;
  box-shadow: 0 2px 7px rgba(16,24,40,.04); overflow: hidden; }
.today-lesson[open] { border-color: #b9cceb; box-shadow: 0 8px 24px rgba(30,64,115,.09); }
.today-lesson > summary { display: grid; grid-template-columns: 160px minmax(210px,1fr) minmax(210px,.9fr) 24px;
  align-items: center; gap: 18px; padding: 18px 20px; cursor: pointer; list-style: none; }
.today-lesson > summary::-webkit-details-marker { display: none; }
.lesson-time, .lesson-main, .lesson-progress { display: flex; flex-direction: column; min-width: 0; }
.lesson-time b { color: #1f4c83; font-size: 15px; }
.lesson-time span, .lesson-main span, .lesson-progress small { color: #778399; font-size: 12px; }
.lesson-main b { color: #152238; font-size: 17px; }
.lesson-main .lesson-school { margin-top: 2px; font-size: 11px; }
.lesson-progress b { color: #263b59; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.lesson-chevron { color: #74839b; font-size: 22px; transition: transform .15s; }
.today-lesson[open] .lesson-chevron { transform: rotate(180deg); }
.lesson-detail { padding: 18px 20px 20px; border-top: 1px solid #edf0f5; background: #fbfcfe; }
.progress-overview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 12px; }
.progress-overview > div { display: flex; flex-direction: column; padding: 10px 12px; background: #fff;
  border: 1px solid #e7ebf2; border-radius: 10px; }
.progress-overview span { color: #7b8799; font-size: 11px; }
.progress-overview b { color: #263b59; font-size: 13px; }
.status-good { color: #15803d !important; } .status-info { color: #1a56db !important; }
.status-warn { color: #c2410c !important; } .muted-text { color: #8a94a5 !important; }
.mini-history { display: flex; gap: 8px; align-items: center; overflow-x: auto; margin: 10px 0 14px; font-size: 12px; }
.mini-history > span { flex: 0 0 auto; padding: 5px 9px; background: #edf3fb; color: #445875; border-radius: 999px; }
.quick-progress-form { padding: 14px; border: 1px solid #dce5f2; border-radius: 12px; background: #fff; }
.quick-progress-title { display: flex; align-items: baseline; gap: 10px; margin-bottom: 9px; }
.quick-progress-title span { color: #7b8799; font-size: 12px; }
.quick-progress-fields { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.quick-progress-fields label { display: inline-flex; align-items: center; gap: 6px; }
.quick-progress-fields input, .quick-progress-fields select { width: auto; min-width: 72px; margin: 0; }
.quick-progress-fields input[name=page_no] { width: 74px; text-align: center; font-size: 17px; font-weight: 700; }
.quick-progress-fields input[name=loc_no] { width: 120px; }
.progress-advanced { margin-top: 10px; }
.progress-advanced > summary { color: #60708a; cursor: pointer; font-size: 12px; }
.advanced-fields { display: grid; grid-template-columns: 2fr .8fr 2fr; gap: 10px; padding-top: 10px; }
.advanced-fields input, .advanced-fields select { margin-bottom: 0; }
.class-overview { margin-top: 22px; }
.class-overview > summary { cursor: pointer; font-weight: 700; color: #4b5d78; }
.class-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap: 10px; margin-top: 14px; }
.class-grid > div { display: flex; flex-direction: column; padding: 10px 12px; background: #f7f9fc; border-radius: 9px; }
.class-grid span { color: #748097; font-size: 12px; }
.unified-entry { margin: 14px 0 4px; padding: 10px 12px; color: #405572; background: #edf4ff; border-radius: 9px; }

/* 学生统一入口 */
.student-portal { width: min(440px, calc(100% - 28px)); margin: 52px auto; }
.portal-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.portal-mark { display: grid; place-items: center; width: 52px; height: 52px; color: #fff; border-radius: 15px;
  background: linear-gradient(135deg,#1f4c83,#1a56db); font-family: Georgia,serif; font-size: 30px; }
.portal-brand p { margin: 0; color: #587095; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.portal-brand h1 { margin: 0; color: #152238; font-size: 24px; }
.portal-brand div span { color: #7b8799; font-size: 12px; }
.portal-card { padding: 24px; border: 1px solid #e1e7f0; border-radius: 17px; background: #fff;
  box-shadow: 0 12px 35px rgba(31,52,82,.1); }
.portal-card input { min-height: 48px; font-size: 17px; }
.portal-class-choice { margin: 2px 0 14px; }
.portal-class-choice > summary { color: #6c7b91; cursor: pointer; font-size: 12px; }
.portal-class-choice label { display: block; margin-top: 10px; }
.portal-submit { width: 100%; min-height: 48px; margin-top: 4px; background: #1f4c83; font-size: 16px; font-weight: 700; }
.portal-note { margin: 13px 0 0; color: #8792a2; text-align: center; font-size: 12px; }
.portal-error { margin-bottom: 14px; padding: 10px 12px; color: #9f2d20; border-radius: 9px; background: #fff0ee; font-size: 13px; }

/* 可视课表 */
.schedule-card { max-width: none; }
.schedule-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding-bottom: 13px; border-bottom: 1px solid #edf0f4; }
.schedule-toolbar h2 { margin: 2px 0 0; color: #152238; font-size: 22px; }
.schedule-nav { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.schedule-hint { margin: 11px 0; color: #748097; font-size: 12px; }
.schedule-table-wrap { overflow-x: auto; border: 1px solid #e5eaf2; border-radius: 13px; }
.visual-schedule { min-width: 820px; table-layout: fixed; background: #fff; }
.visual-schedule th { padding: 11px 8px; text-align: center; background: #243858; color: #fff; border: 0; }
.visual-schedule th.is-today { background: #197348; }
.visual-schedule .period-head { width: 58px; background: #172b4d; }
.period-cell { width: 58px; padding: 9px 4px; text-align: center; background: #f5f7fb; color: #40526c; }
.period-cell b { display: block; font-size: 17px; }
.period-cell span { display: block; color: #8893a3; font-size: 10px; }
.schedule-cell { height: 102px; padding: 6px; vertical-align: top; border-left: 1px solid #edf0f5; }
.schedule-cell.is-today { background: #f0faf5; }
.schedule-cell.has-conflict { background: #fff4f4; box-shadow: inset 0 0 0 2px #ef9a9a; }
.schedule-lesson { position: relative; display: flex; flex-direction: column; width: 100%; min-height: 86px;
  padding: 9px 10px; color: #243858; text-align: left; border: 1px solid #cddbf0; border-left: 4px solid #3b82f6;
  border-radius: 10px; background: #edf4ff; box-shadow: none; overflow: hidden; }
.schedule-lesson:hover { background: #e1edff; color: #172b4d; transform: translateY(-1px); box-shadow: 0 5px 12px rgba(36,56,88,.11); }
.schedule-lesson.tone-0 { border-left-color: #3b82f6; background: #edf4ff; }
.schedule-lesson.tone-1 { border-left-color: #16a34a; background: #eefbf2; }
.schedule-lesson.tone-2 { border-left-color: #9333ea; background: #f7f0ff; }
.schedule-lesson.tone-3 { border-left-color: #ea580c; background: #fff5ed; }
.schedule-lesson.tone-4 { border-left-color: #0891b2; background: #ecfbff; }
.slot-class { font-size: 15px; font-weight: 800; line-height: 1.2; }
.slot-place, .slot-time { color: #61718a; font-size: 11px; line-height: 1.45; }
.slot-progress { margin-top: auto; padding-top: 5px; color: #344d72; font-size: 11px; font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.slot-week { position: absolute; top: 5px; right: 6px; color: #c2410c; font-size: 9px; }
.conflict-label { margin-top: 3px; color: #b91c1c; font-size: 10px; font-weight: 800; }
.schedule-mobile-days { display: none; }
.mobile-week-grid { display: none; }
.mobile-day { margin-bottom: 8px; overflow: hidden; border: 1px solid #e1e7f0; border-radius: 11px; background: #fff; }
.mobile-day > summary { display: flex; justify-content: space-between; padding: 12px 13px; cursor: pointer;
  color: #304561; background: #f5f7fb; list-style: none; }
.mobile-day > summary::-webkit-details-marker { display: none; }
.mobile-day > summary span { color: #8390a2; font-size: 12px; }
.mobile-day-lessons { display: grid; gap: 8px; padding: 9px; }
.mobile-day-lessons > p { margin: 4px; color: #8a94a5; font-size: 12px; }
.mobile-lesson { display: flex; flex-direction: column; width: 100%; min-height: 0; padding: 12px 13px;
  text-align: left; color: #263b59; background: #f5f8fd; border: 1px solid #dce4f0; border-left: 4px solid #3b82f6; }
.mobile-lesson:hover { color: #263b59; background: #edf4ff; }
.mobile-lesson.tone-0 { border-left-color: #3b82f6; }.mobile-lesson.tone-1 { border-left-color: #16a34a; }
.mobile-lesson.tone-2 { border-left-color: #9333ea; }.mobile-lesson.tone-3 { border-left-color: #ea580c; }
.mobile-lesson.tone-4 { border-left-color: #0891b2; }
.mobile-lesson b { font-size: 16px; }.mobile-lesson > span { color: #68778e; font-size: 11px; }
.mobile-lesson .mobile-lesson-time { color: #315a91; font-weight: 700; }
.mobile-lesson .mobile-lesson-progress { margin-top: 4px; color: #304f78; font-weight: 700; }
.mobile-grid-corner, .mobile-grid-day, .mobile-grid-period, .mobile-grid-slot { border-right: 1px solid #e2e6eb; border-bottom: 1px solid #e2e6eb; }
.mobile-grid-corner, .mobile-grid-day { display: flex; align-items: center; justify-content: center; background: #f7f8fa; }
.mobile-grid-day { flex-direction: column; gap: 1px; color: #5d6671; }
.mobile-grid-day b { font-size: 12px; }.mobile-grid-day span { color: #8b929b; font-size: 10px; }
.mobile-grid-day.is-today { color: #0b63b6; background: #eef7ff; }
.mobile-grid-corner { color: #8b929b; font-size: 10px; font-weight: 700; }
.mobile-grid-period { display: flex; align-items: center; justify-content: center; flex-direction: column; color: #6c737c; background: #fafafa; }
.mobile-grid-period b { font-size: 16px; line-height: 1; }.mobile-grid-period span { margin-top: 4px; font-size: 9px; }
.mobile-grid-slot { background: #fff; }.mobile-grid-slot.is-today { background: #fbfdff; }
.mobile-grid-slot.has-conflict { background: #fff4f4; }
.mobile-grid-course { grid-column: var(--course-col); grid-row: var(--course-row) / span var(--course-span); z-index: 2;
  display: flex; flex-direction: column; justify-content: flex-start; gap: 3px; min-width: 0; margin: 2px; padding: 6px 4px;
  overflow: hidden; color: #263b59; border-radius: 6px; border: 1px solid rgba(39,73,112,.16); text-align: center; }
.mobile-grid-course b { font-size: 11px; line-height: 1.25; overflow-wrap: anywhere; }
.mobile-grid-course span { color: #5f6e80; font-size: 9px; line-height: 1.2; overflow-wrap: anywhere; }
.mobile-grid-course small { margin-top: auto; color: #53667e; font-size: 8px; line-height: 1.2; }
.mobile-grid-course.tone-0 { background: #dcecff; }.mobile-grid-course.tone-1 { background: #dcf5e3; }
.mobile-grid-course.tone-2 { background: #efe3ff; }.mobile-grid-course.tone-3 { background: #ffe2cc; }
.mobile-grid-course.tone-4 { background: #d9f4f5; }

.lesson-task-page { max-width: 760px; }
.lesson-task-head { padding: 20px; border: 1px solid #e2e7ef; border-radius: 16px; background: #fff; }
.lesson-task-head .back-link { color: #55708f; }
.lesson-task-head h1 { margin: 6px 0 4px; color: #152238; font-size: 28px; }
.lesson-task-head > p:not(.eyebrow) { margin: 0; color: #65748a; }
.lesson-task-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.lesson-task-meta span { padding: 6px 9px; color: #405777; border-radius: 999px; background: #f1f5fa; font-size: 12px; }
.lesson-task-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 16px; }
.lesson-task-form { margin: 0; }
.lesson-task-action { width: 100%; min-height: 150px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  gap: 7px; padding: 20px; color: #19324f; border: 0; border-radius: 16px; text-align: left; text-decoration: none; cursor: pointer; }
.lesson-task-action.checkin { background: #e8f7ee; }.lesson-task-action.detect { background: #edf4ff; }
.lesson-task-action.homework { background: #fff5e8; }.lesson-task-action.behavior { background: #f4efff; }
.lesson-task-action b { font-size: 23px; }.lesson-task-action small { color: #607086; font-size: 12px; }
.lesson-task-icon { width: 38px; height: 38px; display: grid; place-items: center; color: #fff; border-radius: 10px; background: #1d7a4b; font-size: 18px; font-weight: 800; }
.lesson-task-action.detect .lesson-task-icon { background: #1a63b8; }
.lesson-task-action.homework .lesson-task-icon { background: #b76800; }
.lesson-task-action.behavior .lesson-task-icon { background: #7140b8; }
.lesson-task-note { margin: 14px 2px 0; color: #8893a3; font-size: 12px; }
.progress-heading { margin-top: 30px; }
.progress-card-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap: 12px; }
.class-progress-card { scroll-margin-top: 70px; padding: 17px; background: #fff; border: 1px solid #e2e7ef;
  border-radius: 14px; box-shadow: 0 2px 6px rgba(16,24,40,.04); }
.class-progress-card:target { border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,.14); }
.class-progress-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.class-progress-head > div { display: flex; flex-direction: column; }
.class-progress-head b { color: #152238; font-size: 17px; }
.class-progress-head div span { color: #8490a1; font-size: 11px; }
.progress-compare { display: grid; grid-template-columns: .8fr 1.5fr; gap: 8px; margin: 14px 0 8px; }
.progress-compare > div { display: flex; flex-direction: column; padding: 9px 10px; background: #f6f8fb; border-radius: 8px; }
.progress-compare span { color: #8490a1; font-size: 10px; }
.progress-compare b { color: #304561; font-size: 12px; }
.class-progress-card > p { margin: 0; color: #8490a1; font-size: 11px; }
.history-card { margin-top: 14px; }
.history-card > summary { cursor: pointer; font-weight: 700; color: #50617b; }
.history-list { margin-top: 12px; }
.history-list > div { display: grid; grid-template-columns: 90px 130px 1fr; gap: 10px; padding: 8px 0;
  border-bottom: 1px solid #eef1f5; font-size: 12px; }
.history-list time { color: #8490a1; }
.lesson-dialog { width: min(520px, calc(100vw - 28px)); border: 0; border-radius: 18px; padding: 24px;
  box-shadow: 0 24px 70px rgba(16,24,40,.28); }
.lesson-dialog::backdrop { background: rgba(15,28,48,.5); backdrop-filter: blur(3px); }
.dialog-close { position: absolute; top: 10px; right: 10px; width: 34px; height: 34px; padding: 0;
  border-radius: 50%; background: #eef2f7; color: #40516b; font-size: 22px; }
.lesson-dialog h2 { margin: 5px 0 0; color: #152238; }
.dialog-course { margin: 0 0 16px; color: #6e7b8f; }
.dialog-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-bottom: 18px; }
.dialog-info-grid > div { display: flex; flex-direction: column; padding: 10px 12px; background: #f6f8fb; border-radius: 9px; }
.dialog-info-grid span { color: #8490a1; font-size: 10px; }
.dialog-info-grid b { color: #304561; font-size: 13px; }

@media (max-width: 900px) {
  .action-metrics { grid-template-columns: repeat(3, 1fr); }
  .today-lesson > summary { grid-template-columns: 125px 1fr 1fr 20px; gap: 10px; }
}

@media (max-width: 640px) {
  .home-hero { align-items: flex-start; flex-direction: column; padding: 22px 20px; border-radius: 14px; }
  .home-hero h1 { font-size: 21px; }
  .hero-actions { width: 100%; justify-content: flex-start; }
  .action-metrics { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .action-metric span:last-child { white-space: normal; }
  .section-heading { align-items: flex-start; }
  .today-lesson > summary { grid-template-columns: 1fr 22px; padding: 15px; }
  .lesson-time { grid-column: 1; }
  .lesson-main { grid-column: 1; }
  .lesson-progress { grid-column: 1; margin-top: 5px; padding-top: 7px; border-top: 1px solid #edf0f5; }
  .lesson-chevron { grid-column: 2; grid-row: 1 / span 3; }
  .progress-overview { grid-template-columns: 1fr; }
  .quick-progress-title { align-items: flex-start; flex-direction: column; gap: 2px; }
  .quick-progress-fields { align-items: stretch; flex-direction: column; }
  .quick-progress-fields label { justify-content: flex-start; }
  .quick-progress-fields .btn { width: 100%; min-height: 44px; }
  .advanced-fields { grid-template-columns: 1fr; }
  .schedule-card { padding: 12px 10px; }
  .schedule-toolbar { align-items: flex-start; flex-direction: column; gap: 8px; }
  .schedule-toolbar h2 { font-size: 20px; }
  .schedule-nav { width: 100%; justify-content: flex-start; }
  .schedule-table-wrap { display: none; }
  .schedule-mobile-days { display: none; }
  .mobile-week-grid { display: grid; grid-template-columns: 34px repeat(5,minmax(0,1fr));
    grid-template-rows: 42px repeat(5,82px); width: 100%; overflow: hidden; border: 1px solid #dfe4ea;
    border-right: 0; border-bottom: 0; border-radius: 8px; background: #fff; }
  .schedule-secondary { display: none !important; }
  .progress-card-grid { grid-template-columns: 1fr; }
  .history-list > div { grid-template-columns: 80px 1fr; }
  .history-list > div span { grid-column: 1 / -1; }
  .dialog-info-grid { grid-template-columns: 1fr; }
  .lesson-task-page { padding-left: 12px; padding-right: 12px; }
  .lesson-task-head { padding: 16px; }
  .lesson-task-head h1 { font-size: 24px; }
  .lesson-task-actions { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
  .lesson-task-action { min-height: 128px; padding: 15px; }
  .lesson-task-action b { font-size: 20px; }
}

/* 课堂投稿：把“是否动笔”放到教师和学生的第一视线 */
.page { max-width: 1180px; margin: 26px auto; padding: 0 18px 40px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.page-head h1 { margin: 4px 0 2px; color: #14243b; font-size: 28px; line-height: 1.2; }
.page-head p { margin: 0; color: #718096; font-size: 13px; }
.classroom-head { padding: 24px 28px; color: #fff; border-radius: 18px;
  background: linear-gradient(125deg,#172b4d 0%,#234b76 62%,#16704a 100%);
  box-shadow: 0 12px 28px rgba(25,48,79,.16); }
.classroom-head h1, .classroom-head p, .classroom-head .eyebrow { color: #fff; }
.classroom-head .eyebrow { opacity: .72; }
.classroom-head .btn { color: #263b59; background: #fff; }
.classroom-head .back-link { display: block; margin-bottom: 5px; color: #d8e7fa; font-size: 12px; }
.week-switch, .toolbar-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.classroom-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 15px 18px; }
.classroom-toolbar span { display: block; color: #748096; font-size: 12px; }
.classroom-toolbar form { margin: 0; }
.empty-panel { padding: 38px; text-align: center; }
.empty-panel h3 { border: 0; }

.lesson-board { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.lesson-post-card { display: block; padding: 18px; color: #273a55; border: 1px solid #dfe6ef;
  border-radius: 15px; background: #fff; box-shadow: 0 2px 7px rgba(20,36,59,.05);
  transition: transform .15s,box-shadow .15s,border-color .15s; }
.lesson-post-card:hover { color: #273a55; text-decoration: none; transform: translateY(-2px);
  border-color: #8eb0df; box-shadow: 0 10px 24px rgba(20,52,92,.1); }
.lesson-post-card.is-today { border: 2px solid #3172c3; box-shadow: 0 0 0 4px rgba(49,114,195,.08); }
.lesson-card-top, .lesson-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.lesson-date { color: #718096; font-size: 12px; font-weight: 700; }
.lesson-arrow { color: #7693b9; font-size: 20px; }
.lesson-post-card h3 { margin: 12px 0 0; color: #15263e; font-size: 19px; }
.lesson-post-card > p { margin: 2px 0 14px; color: #728096; font-size: 12px; }
.dual-progress { display: grid; gap: 10px; }
.dual-progress > div { display: grid; grid-template-columns: 1fr auto; gap: 5px; align-items: center; }
.dual-progress span { color: #53647b; font-size: 12px; }
.dual-progress b { font-size: 13px; }
.dual-progress i { grid-column: 1/-1; position: relative; display: block; height: 6px;
  overflow: hidden; border-radius: 99px; background: #e8edf4; }
.dual-progress i::after { position: absolute; inset: 0 auto 0 0; width: var(--pct); content: "";
  border-radius: inherit; background: linear-gradient(90deg,#2e67b1,#22a45a); }
.lesson-card-foot { margin-top: 14px; padding-top: 11px; border-top: 1px solid #eef1f5; color: #7c8797; font-size: 11px; }
.warn-text { color: #b44134; font-weight: 700; }

.post-metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin: 0 0 18px; }
.post-metrics > div { display: flex; align-items: baseline; gap: 6px; padding: 15px 18px;
  border: 1px solid #dfe6ef; border-top: 3px solid #3975bb; border-radius: 12px; background: #fff; }
.post-metrics span { margin-right: auto; color: #6d7b8f; font-size: 12px; }
.post-metrics b { color: #213b5e; font-size: 24px; }
.post-metrics small { color: #8893a3; font-size: 10px; }
.post-metrics .metric-warn { border-top-color: #dc5a49; background: #fffafa; }
.table-scroll { overflow-x: auto; }
.post-table { min-width: 760px; }
.post-table th:nth-child(1) { width: 150px; }
.post-table td { vertical-align: top; }
.post-table td:first-child b, .post-table td:first-child small { display: block; }
.post-table td:first-child small { color: #8893a3; }
.post-cell { display: grid; grid-template-columns: auto 1fr auto; gap: 4px 7px; align-items: center; min-width: 260px; }
.post-cell > small { grid-column: 2/-1; color: #8994a4; }
.post-cell > a { grid-column: 2; font-size: 12px; }
.status-pill { padding: 2px 7px; border-radius: 99px; color: #23683f; background: #ddf6e7; font-size: 10px; }
.status-存疑, .status-需重交 { color: #a43227; background: #fee7e4; }
.status-待检查 { color: #2a5f9e; background: #e5effc; }
.missing-cell { color: #a1a9b4; font-size: 12px; }
.inline-review { grid-column: 1/-1; display: grid; grid-template-columns: 80px 1fr auto; gap: 5px; margin-top: 5px; }
.inline-review select, .inline-review input { min-width: 0; margin: 0; padding: 5px 7px; font-size: 11px; }
.inline-review button { padding: 5px 9px; font-size: 11px; }
.inline-label { grid-column: 1/-1; display: flex; gap: 5px; align-items: center; margin-top: 5px; }
.inline-label input { min-width: 0; flex: 1; margin: 0; padding: 5px 7px; font-size: 11px; }
.inline-label button { padding: 5px 9px; font-size: 11px; }
/* 低频操作折叠：日常只看状态/照片，点“更多操作”才展开改题号与审核 */
.post-more { grid-column: 1/-1; margin-top: 4px; }
.post-more > summary { cursor: pointer; color: #8994a4; font-size: 11px; user-select: none; }
.post-more[open] > summary { color: #2a5f9e; }
/* 课堂投稿详情页：三步流程条 */
.flow-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0 0 14px;
  padding: 10px 14px; background: #f3f6fb; border: 1px solid #dfe5ee; border-radius: 11px; }
.flow-step { padding: 4px 10px; border-radius: 99px; background: #fff; border: 1px solid #d8dfeb;
  color: #4a5568; font-size: 12px; }
.flow-step.flow-done { background: #ddf6e7; border-color: #b9e6cc; color: #23683f; }
.flow-arrow { color: #9aa4b3; font-size: 12px; }
.legend { color: #7f8a9b; font-size: 11px; }
.dot { display: inline-block; width: 8px; height: 8px; margin-right: 3px; border-radius: 50%; }
.dot.done { background: #24a25d; }.dot.missing { background: #c8cdd5; }
.photo-section { margin-top: 25px; }
.photo-wall { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.photo-card { overflow: hidden; border: 1px solid #dfe5ee; border-radius: 13px; background: #fff; }
.photo-preview { aspect-ratio: 4/3; overflow: hidden; background: #e9edf2; }
.photo-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mock-paper { display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 100%; height: 100%; color: #57677c; background:
  repeating-linear-gradient(#fff 0,#fff 24px,#dce6f1 25px); }
.mock-paper span { padding: 2px 8px; color: #94483c; border-radius: 99px; background: #fee8e3; font-size: 10px; }
.mock-paper b { margin-top: 8px; color: #213b5e; font-size: 18px; }
.mock-paper i { font-size: 11px; }
.photo-meta { padding: 10px 12px; }
.photo-meta > span { margin-left: 7px; color: #8a94a3; font-size: 10px; }
.photo-meta p { margin: 2px 0 0; color: #64748b; font-size: 11px; }

/* 学生手机投稿 */
.student-section-title { display: flex; align-items: flex-end; justify-content: space-between; margin: 26px 2px 3px; }
.student-section-title h2 { margin: 4px 0 0; color: #14243b; font-size: 23px; line-height: 1.2; }
.date-chip { padding: 5px 10px; color: #315a8e; border-radius: 99px; background: #e9f1fb; font-size: 11px; }
.student-section-help { margin: 7px 2px 15px; color: #66758a; font-size: 13px; }
.empty-classroom-posts p { margin-bottom: 0; color: #778397; font-size: 12px; }
.lesson-submit-card { padding: 18px; border-top: 4px solid #2b6daf; }
.lesson-submit-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.lesson-submit-head h3 { margin: 2px 0 0; padding: 0; border: 0; font-size: 19px; }
.lesson-submit-head p { margin: 0; color: #788598; font-size: 11px; }
.lesson-period { color: #2b5d96; font-size: 11px; font-weight: 800; }
.post-slot-list { display: grid; gap: 10px; margin-top: 16px; }
.post-slot { display: grid; grid-template-columns: 32px 1fr; gap: 10px; padding: 13px;
  border: 1px solid #e0e6ef; border-radius: 12px; background: #fafbfd; }
.post-slot.done { border-color: #b7dfc7; background: #f5fcf7; }
.post-slot-num { display: grid; place-items: center; width: 30px; height: 30px; color: #fff;
  border-radius: 9px; background: #8291a6; font-weight: 800; }
.post-slot.done .post-slot-num { background: #239257; }
.post-slot-title { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.post-slot-main > p { margin: 2px 0; color: #738096; font-size: 11px; }
.post-receipt { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.post-receipt span { padding: 3px 7px; color: #48634f; border-radius: 6px; background: #e8f5ec; font-size: 10px; }
.post-slot-main .review-note { margin-top: 7px; color: #4d5f74; font-size: 12px; }
.post-slot-main .need-redo { color: #a63b30; font-weight: 700; }
.post-upload-box { margin-top: 9px; border-top: 1px dashed #d5dce6; }
.post-upload-box > summary { padding: 9px 0 4px; color: #245fa4; cursor: pointer; font-size: 12px; font-weight: 700; }
.post-upload-box form { padding-top: 5px; }
.post-upload-box input[type=file] { display: block; width: 100%; margin: 5px 0 2px; }
.post-upload-box .photo-status { min-height: 18px; margin: 2px 0; color: #198348; font-size: 11px; }
.regular-task-empty { color: #8290a3; font-size: 12px; }

/* 学生端照片裁剪器：所有处理在浏览器本地完成 */
body.photo-editor-open { overflow: hidden; }
.photo-editor[hidden] { display: none; }
.photo-editor { position: fixed; z-index: 1000; inset: 0; display: grid; place-items: center;
  padding: 18px; background: rgba(8,16,28,.78); backdrop-filter: blur(4px); }
.photo-editor-panel { width: min(760px, 100%); max-height: calc(100dvh - 36px); overflow-y: auto;
  padding: 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; background: #f8fafc;
  box-shadow: 0 22px 70px rgba(0,0,0,.34); }
.photo-editor-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.photo-editor-head h2 { margin: 1px 0 12px; font-size: 21px; }
.photo-editor-close { display: grid; place-items: center; width: 38px; height: 38px; padding: 0;
  color: #58677a; border: 0; border-radius: 50%; background: #e9eef5; font-size: 27px; line-height: 1; cursor: pointer; }
.photo-editor-stage { display: grid; place-items: center; min-height: 280px; padding: 2px;
  overflow: hidden; border-radius: 12px; background: #101824; touch-action: none; }
.photo-editor-stage canvas { display: block; max-width: 100%; cursor: crosshair; touch-action: none; }
.photo-editor-help { margin: 10px 2px 3px; color: #607087; font-size: 12px; }
.photo-editor-status { min-height: 20px; margin: 3px 2px 8px; color: #1b6d46; font-size: 12px; font-weight: 700; }
.photo-editor-tools, .photo-editor-actions { display: flex; gap: 9px; }
.photo-editor-tools { margin-bottom: 10px; }
.photo-editor-actions { justify-content: flex-end; padding-top: 11px; border-top: 1px solid #dfe5ee; }
.photo-editor button:disabled { cursor: wait; opacity: .55; }

/* 首页兼容新增的“动笔情况”列 */
.today-lesson > summary { grid-template-columns: 145px minmax(180px,1fr) minmax(180px,.9fr) 115px 24px; }
.lesson-writing { display: flex; flex-direction: column; align-self: center; }
.lesson-writing small { color: #8792a2; font-size: 10px; }
.lesson-writing b { color: #255a8f; font-size: 11px; }
.action-metric .metric-number small { color: #778397; font-size: 13px; }
.secondary-status { margin: -15px 2px 22px; color: #778397; font-size: 11px; }
.hero-text-link { align-self: center; color: #d6e4f7; font-size: 12px; }

@media (max-width: 900px) {
  .lesson-board { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .photo-wall { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .today-lesson > summary { grid-template-columns: 115px 1fr 1fr 95px 20px; }
}

@media (max-width: 640px) {
  .topbar { overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
  .topbar::-webkit-scrollbar { display: none; }
  .topbar .nav-right { margin-left: 0; }
  .topbar .btn-cta { display: none; }
  .page { margin: 12px auto; padding: 0 10px 28px; }
  .page-head, .classroom-toolbar { align-items: flex-start; flex-direction: column; }
  .classroom-head { padding: 20px; border-radius: 14px; }
  .classroom-head h1 { font-size: 23px; }
  .week-switch { width: 100%; }
  .week-switch .btn { flex: 1; padding: 8px 10px; text-align: center; }
  .toolbar-actions { width: 100%; }
  .toolbar-actions form { flex: 1; }
  .toolbar-actions button { width: 100%; padding: 8px; }
  .lesson-board { grid-template-columns: 1fr; }
  .post-metrics { grid-template-columns: repeat(2,1fr); gap: 7px; }
  .post-metrics > div { padding: 11px 12px; }
  .post-metrics b { font-size: 20px; }
  .photo-wall { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .inline-review { grid-template-columns: 74px 1fr; }
  .inline-review button { grid-column: 1/-1; }
  .lesson-writing { grid-column: 1; margin-top: 5px; padding-top: 7px; border-top: 1px solid #edf0f5; }
  .lesson-chevron { grid-row: 1 / span 4; }
  .home-hero .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-actions .hero-text-link { grid-column: 1/-1; }
  .post-slot { grid-template-columns: 28px 1fr; padding: 11px; }
  .post-slot-num { width: 27px; height: 27px; }
  .photo-editor { align-items: end; padding: 0; }
  .photo-editor-panel { max-height: 100dvh; padding: 14px 12px calc(14px + env(safe-area-inset-bottom));
    border: 0; border-radius: 17px 17px 0 0; }
  .photo-editor-head h2 { font-size: 19px; }
  .photo-editor-stage { min-height: 240px; border-radius: 10px; }
  .photo-editor-help { line-height: 1.5; }
  .photo-editor-tools .btn { flex: 1; padding: 9px 7px; }
  .photo-editor-actions .btn { flex: 1; padding: 11px 8px; }
}

/* ---- 板书归档 ---- */
.board-teacher-note { background: #f4f8ff; border-color: #d6e4fb; color: #234; }
.board-progress-line { color: #2b6cb0; font-size: 13px; margin: 4px 0 0; }
.upload-field { display: block; margin-bottom: 10px; }
.upload-field > span { display: block; font-size: 13px; color: #6b7280; margin-bottom: 6px; }
.upload-hint { font-size: 12px; color: #888; margin: 6px 0 12px; }
.board-preview { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px,1fr)); gap: 8px; margin-bottom: 12px; }
.board-preview-item { border: 1px solid #e5e8ef; border-radius: 8px; overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.board-preview-thumb { background: #f3f5f9; }
.board-preview-thumb img { width: 100%; height: 72px; object-fit: cover; display: block; }
.board-preview-meta { padding: 4px 6px 6px; display: flex; flex-direction: column; gap: 2px; }
.board-preview-meta .bp-name { font-size: 11px; color: #334; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.board-preview-meta .bp-size { font-size: 10px; color: #98a2b3; }
.board-preview-ops { display: flex; gap: 4px; margin-top: 4px; }
.board-preview-ops .mini-btn { flex: 1; padding: 3px 0; font-size: 12px; border-radius: 6px; line-height: 1.3; cursor: pointer; }
.board-preview-ops .mini-btn[disabled] { opacity: .4; cursor: not-allowed; }
.board-preview-ops .mini-btn.danger { background: #e53e3e; color: #fff; }
.board-card-ops { display: flex; gap: 6px; margin-top: 6px; }
.inline-form { display: inline; }
.mini-btn { padding: 3px 9px; font-size: 13px; border-radius: 7px; line-height: 1.4; cursor: pointer; }
.mini-btn[disabled] { opacity: .4; cursor: not-allowed; }
.mini-btn.danger { background: #e53e3e; }
.board-settings label { display: block; margin-bottom: 12px; font-size: 13px; color: #444; }
.board-settings input[type=text], .board-settings textarea, .board-settings select {
  width: 100%; margin-top: 5px; padding: 9px 10px; border: 1px solid #d7dce5; border-radius: 8px; font: inherit; box-sizing: border-box; }
.checkbox-line { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #555; }
.board-publish-row { display: flex; align-items: center; gap: 12px; margin-top: 14px; padding-top: 14px; border-top: 1px solid #edf0f5; }
.board-student-link { margin-top: 12px; }
.board-locked { text-align: center; padding: 30px 20px; }
.board-locked h3 { margin-top: 0; }
.board-zoom { font-size: 13px; }

/* ===== 课堂投稿「检测题」 ===== */
.question-admin-card .question-preview { display: flex; align-items: flex-start; gap: 12px; flex-wrap: wrap; background: #f8f9fb; border: 1px solid #e5e8ef; border-radius: 10px; padding: 12px; margin-bottom: 14px; }
.question-admin-card .question-preview img { max-width: 220px; max-height: 220px; border-radius: 8px; border: 1px solid #dde2ea; background: #fff; }
.question-admin-card .question-text { margin: 0; white-space: pre-wrap; line-height: 1.5; }
.question-admin-card .question-form label { display: block; font-size: 13px; color: #555; margin: 10px 0 5px; }
.question-admin-card .question-form textarea,
.question-admin-card .question-form input[type=file] { width: 100%; box-sizing: border-box; padding: 8px 10px; border: 1px solid #d7dce5; border-radius: 8px; font: inherit; }
.question-admin-card .question-form textarea { resize: vertical; }
.question-admin-card .question-form .btn { margin-top: 10px; }
.tag.purple { background: #6b4ee6; color: #fff; }
.question-box { background: #f5f3ff; border: 1px solid #d9cffb; border-radius: 10px; padding: 12px; margin: 10px 0; }
.question-box .tag.purple { display: inline-block; margin-bottom: 8px; }
.question-box img { display: block; max-width: 100%; border-radius: 8px; border: 1px solid #d9cffb; background: #fff; margin-bottom: 8px; }
.question-box .question-text { margin: 0 0 6px; white-space: pre-wrap; line-height: 1.55; }
.question-box .question-tip { margin: 0; font-size: 12px; color: #6b4ee6; }

/* 习题库选题（出检测题时） */
.qbank-list { max-height: 240px; overflow: auto; border: 1px solid #e3e3ee; border-radius: 8px; padding: 4px; margin-bottom: 10px; }
.qbank-item { display: flex; gap: 8px; align-items: flex-start; padding: 8px; border-bottom: 1px solid #f0f0f6; cursor: pointer; }
.qbank-item:last-child { border-bottom: none; }
.qbank-item:hover { background: #f6f5ff; }
.qbank-item input[type=radio] { margin-top: 4px; }
.qbank-item .qmeta { flex: 0 0 90px; color: #6b4ee6; font-size: 12px; padding-top: 2px; }
.qbank-item .qtext { flex: 1; font-size: 13px; line-height: 1.5; }
.checkbox { display: inline-flex; align-items: center; gap: 6px; margin: 8px 0; }
.checkbox input { width: auto; }

/* ===== 习题库 ===== */
.qtext { white-space: pre-wrap; max-width: 60ch; color: #243044; font-size: 14px; line-height: 1.55; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; margin-bottom: 10px; }
.filter-bar label { display: flex; flex-direction: column; font-size: 13px; color: #555; gap: 4px; }
.filter-bar select { padding: 7px 10px; border: 1px solid #d7dce5; border-radius: 8px; font: inherit; background: #fff; }
.actions { display: flex; gap: 12px; margin-top: 16px; align-items: center; }
.btn.sm, button.sm { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.hint { color: #6b7280; font-size: 13px; margin: 6px 0; }

/* ===== 图文批改视图 ===== */
.grade-page { max-width: 1200px; }
.batch-bar { position: sticky; top: 0; z-index: 20; background: #fff; border: 1px solid #e6e8f0;
  border-radius: 10px; padding: 10px 12px; margin: 12px 0; display: flex; flex-wrap: wrap;
  gap: 18px; align-items: flex-end; box-shadow: 0 2px 10px rgba(30,40,80,.06); }
.batch-form, .ai-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.batch-bar label { display: flex; flex-direction: column; font-size: 12px; color: #555; gap: 3px; }
.batch-bar input[type=number], .batch-bar input[type=text], .batch-bar select { padding: 6px 8px;
  border: 1px solid #d7dce5; border-radius: 7px; font: inherit; }
.batch-bar .check-all { flex-direction: row; align-items: center; gap: 6px; }
.grade-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-top: 6px; }
.grade-card { border: 1px solid #e6e8f0; border-radius: 12px; overflow: hidden; background: #fff;
  position: relative; transition: box-shadow .15s; }
.grade-card:hover { box-shadow: 0 4px 16px rgba(30,40,80,.12); }
.grade-card.level-高 { border-left: 5px solid #22a06b; }
.grade-card.level-中 { border-left: 5px solid #e0a800; }
.grade-card.level-低 { border-left: 5px solid #e5484d; }
.card-check { position: absolute; top: 8px; left: 8px; z-index: 2; background: rgba(255,255,255,.9);
  border-radius: 6px; padding: 2px 4px; }
.card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 10px 12px 4px; }
.card-head .sno { color: #8a93a6; font-size: 12px; }
.card-img { background: #f3f4f8; min-height: 150px; display: flex; align-items: center; justify-content: center; }
.card-img img { max-width: 100%; max-height: 320px; display: block; }
.img-missing { color: #9aa3b5; font-size: 13px; padding: 40px 0; }
.card-label { padding: 2px 12px; font-size: 12px; color: #6b4ee6; }
.card-score { padding: 8px 12px 12px; }
.card-score .score { font-weight: 700; font-size: 16px; margin-right: 8px; }
.card-score .score.pending { color: #9aa3b5; font-weight: 500; font-size: 14px; }
.card-score .comment { margin-top: 6px; font-size: 13px; color: #444; line-height: 1.5; white-space: pre-wrap; }
.lv { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: #eef0f5; color: #555; }
.lv-高 { background: #e3f6ec; color: #1a7f4f; }
.lv-中 { background: #fdf3d6; color: #956000; }
.lv-低 { background: #fde6e7; color: #b42318; }
.scored-by { font-size: 11px; padding: 1px 7px; border-radius: 999px; }
.scored-by.ai { background: #eef2ff; color: #3b5bdb; }
.scored-by.teacher { background: #f0fdf4; color: #15803d; }
.mini-grad { margin-left: auto; cursor: pointer; color: #3b5bdb; font-size: 12px; font-weight: 600; }
.tag.orange { background: #f59e0b; color: #fff; }
.tag.blue { background: #3b82f6; color: #fff; }
.empty, .grade-page .empty { color: #8a93a6; padding: 30px 0; }

.card-img.review-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: #eef1f5;
  cursor: zoom-in;
}
.ai-suggestion {
  margin-top: 8px;
  padding: 9px 10px;
  border-radius: 8px;
  background: #eef5ff;
  color: #245b99;
  font-size: 12px;
  line-height: 1.55;
}
.reference-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 0 12px 12px;
}
.reference-actions form { display: inline; }
body.review-viewer-open { overflow: hidden; }
.review-viewer[hidden] { display: none; }
.review-viewer {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 64px;
  align-items: center;
  background: rgba(5, 9, 16, .96);
  color: #fff;
}
.review-viewer figure {
  height: 100vh;
  margin: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  align-items: center;
}
.review-viewer figure img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 86px);
  margin: auto;
  object-fit: contain;
}
.review-viewer figcaption {
  min-height: 70px;
  padding: 10px 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  background: rgba(0, 0, 0, .45);
}
.review-viewer figcaption span { color: #cbd5e1; }
.review-close, .review-nav {
  border: 0;
  color: #fff;
  background: rgba(255, 255, 255, .1);
  cursor: pointer;
}
.review-close {
  position: absolute;
  top: 12px;
  right: 16px;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 30px;
}
.review-nav {
  width: 52px;
  height: 76px;
  margin: auto;
  border-radius: 12px;
  font-size: 46px;
}
@media (max-width: 640px) {
  .review-viewer { grid-template-columns: 38px minmax(0, 1fr) 38px; }
  .review-nav { width: 34px; height: 64px; font-size: 34px; }
  .review-viewer figcaption { font-size: 13px; gap: 8px; }
}

/* ===== 本节课程工作台：先选动作，再显示当前模块 ===== */
.schedule-lesson, .mobile-lesson { text-decoration: none; }
.schedule-lesson:hover, .mobile-lesson:hover { text-decoration: none; }
.lesson-workbench { max-width: 1120px; }
.lesson-compact-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  margin-bottom: 14px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(120deg,#173458,#175f52);
  box-shadow: 0 10px 24px rgba(25,48,79,.14);
}
.lesson-compact-head h1 { margin: 3px 0; font-size: 27px; }
.lesson-compact-head p { margin: 0; color: #e3eef3; font-size: 13px; }
.lesson-compact-head .back-link { color: #cfe1ed; font-size: 12px; }
.icon-link {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  color: #173458;
  background: #fff;
  font-size: 22px;
  text-decoration: none;
}
.lesson-actions {
  display: grid;
  grid-template-columns: repeat(5,minmax(0,1fr));
  gap: 12px;
  margin-bottom: 14px;
}
.lesson-action-form { margin: 0; }
.lesson-action-card {
  width: 100%;
  min-height: 112px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
  padding: 17px 18px;
  border: 1px solid #dfe6ef;
  border-radius: 15px;
  color: #243b59;
  background: #fff;
  box-shadow: 0 3px 12px rgba(27,48,75,.06);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.lesson-action-card:hover, .lesson-action-card.selected {
  color: #183b66;
  text-decoration: none;
  transform: translateY(-2px);
  border-color: #4a82c2;
  box-shadow: 0 9px 22px rgba(35,75,120,.12);
}
.lesson-action-card b { font-size: 20px; }
.lesson-action-card small { color: #66788f; font-size: 12px; }
.lesson-action-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  margin-bottom: 4px;
  border-radius: 9px;
  color: #fff;
  background: #3976ba;
  font-size: 14px;
  font-weight: 800;
}
.lesson-action-card.notes .lesson-action-icon { background: #7c5bc5; }
.lesson-action-card.checkin .lesson-action-icon { background: #14865e; }
.lesson-action-card.grade .lesson-action-icon { background: #d97706; }
.lesson-action-card.board .lesson-action-icon { background: #2b7a78; }
.lesson-module[hidden] { display: none !important; }
.lesson-module { margin-bottom: 14px; scroll-margin-top: 12px; }
.module-simple-title h2 { margin-bottom: 3px; }
.module-simple-title p { margin-top: 0; color: #6d7a8c; }
.live-module-head, .finished-module, .live-module-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.live-module-head span { color: #247453; font-size: 13px; font-weight: 700; }
.live-module-head h2 { margin: 5px 0 0; border: 0; font-size: 23px; }
.live-dot { display: inline-block; width: 9px; height: 9px; margin-right: 6px; border-radius: 50%; background: #20a66a; box-shadow: 0 0 0 5px rgba(32,166,106,.12); }
.countdown { color: #1f4f80; font-size: 30px; font-variant-numeric: tabular-nums; }
.active-question-preview { margin: 16px 0; padding: 16px; border: 1px solid #dce5f0; border-radius: 12px; background: #f7f9fc; }
.active-question-preview img { display: block; max-width: 100%; max-height: 420px; margin: 0 auto 12px; border-radius: 9px; }
.active-question-preview p { margin: 0; white-space: pre-wrap; font-size: 17px; line-height: 1.7; }
.live-module-stats { justify-content: flex-start; flex-wrap: wrap; }
.live-module-stats > div { margin-right: auto; }
.live-module-stats span { display: block; color: #758399; font-size: 12px; }
.live-module-stats b { font-size: 25px; }
.live-module-stats form { margin: 0; }
.finished-module { padding: 12px 14px; margin-bottom: 16px; border-radius: 10px; background: #f4f7fa; }
.finished-module span { display: block; color: #6b7789; font-size: 12px; }
.finished-module b { font-size: 19px; }
.minimal-activity-form { max-width: 820px; }
.activity-form-step {
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  gap: 10px;
  align-items: start;
  padding: 15px 0;
  border-bottom: 1px solid #edf0f4;
}
.activity-form-step > label, .activity-form-step > select { grid-column: 2; }
.activity-form-step > label { margin: 0 0 5px; }
.step-no { width: 28px; height: 28px; display: grid; place-items: center; grid-row: 1 / span 3; border-radius: 50%; color: #fff; background: #2f6fae; font-size: 13px; font-weight: 800; }
.step-content { grid-column: 2; min-width: 0; }
.minimal-activity-form select { max-width: 420px; padding: 10px 12px; border: 1px solid #d5dce7; border-radius: 9px; background: #fff; font: inherit; }
.structured-fields { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; margin-top: 9px; max-width: 720px; }
.structured-fields label { display: flex; flex-direction: column; gap: 5px; color: #53657c; font-size: 12px; font-weight: 700; }
.structured-fields select, .structured-fields input { width: 100%; max-width: none; box-sizing: border-box; }
.compact-qbank { max-height: 285px; margin-top: 9px; }
.compact-qbank .qbank-item[hidden] { display: none; }
.question-search-input {
  width: 100%;
  max-width: 720px;
  margin-top: 9px;
  padding: 11px 12px;
  border: 1px solid #b9c7d8;
  border-radius: 9px;
  background: #fff;
  font: inherit;
}
.question-search-input:focus { border-color: #3976ba; box-shadow: 0 0 0 3px rgba(57,118,186,.12); outline: 0; }
.photo-question-field { display: block; margin-top: 13px; padding: 13px; border: 1px dashed #9fb7d2; border-radius: 10px; background: #f6faff; }
.photo-question-field span, .photo-question-field small { display: block; }
.photo-question-field input { margin: 9px 0 5px; }
.photo-question-field small { color: #718096; }
.activity-time-step { grid-template-columns: 34px 110px minmax(0,1fr); align-items: center; }
.activity-time-step > label, .activity-time-step > select { grid-column: auto; margin: 0; }
.activity-start-btn { min-width: 180px; margin: 16px 0 2px 44px; padding: 12px 20px; font-size: 16px; }
.notes-start-form { display: grid; grid-template-columns: 100px 180px 180px; align-items: center; gap: 12px; }
.notes-start-form .activity-start-btn { min-width: 0; margin: 0; }
.lesson-wrapup, .lesson-submissions { margin-top: 12px; }
.lesson-wrapup > summary, .lesson-submissions > summary { cursor: pointer; color: #334e6f; font-weight: 800; }
.wrapup-links { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
.wrapup-links a { padding: 10px 13px; border-radius: 9px; background: #eef4fb; text-decoration: none; }
.progress-overview > .lesson-icon-links { grid-column: 1 / -1; display: flex; flex-direction: row; gap: 10px; flex-wrap: wrap; padding: 4px 0 0; background: transparent; }
.lesson-icon-links a { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border-radius: 10px; background: #f3f7fc; color: #23558a; text-decoration: none; }
.lesson-icon-links a:hover { background: #e7f0fa; }
.lesson-icon-links span { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 8px; color: #fff; background: #3976ba; font-size: 12px; font-weight: 800; }
.lesson-icon-links a:nth-child(2) span { background: #7c5bc5; }
.lesson-icon-links a:nth-child(3) span { background: #14865e; }
.lesson-icon-links a:nth-child(4) span { background: #2b7a78; }
.lesson-icon-links a:nth-child(5) span { background: #d97706; }
.compact-progress { margin-bottom: 14px; }

@media (max-width: 640px) {
  .lesson-compact-head { padding: 15px 16px; border-radius: 13px; }
  .lesson-compact-head h1 { font-size: 23px; }
  .lesson-compact-head p { font-size: 12px; line-height: 1.5; }
  .lesson-actions { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
  .lesson-action-card { min-height: 94px; padding: 13px 14px; }
  .lesson-action-card b { font-size: 18px; }
  .lesson-action-icon { width: 27px; height: 27px; }
  .live-module-head, .finished-module { align-items: flex-start; }
  .live-module-stats { align-items: stretch; }
  .live-module-stats > div { width: 100%; margin-bottom: 4px; }
  .live-module-stats .btn, .live-module-stats form { flex: 1; }
  .live-module-stats form .btn { width: 100%; }
  .activity-form-step { grid-template-columns: 30px minmax(0,1fr); }
  .qbank-item { display: grid; grid-template-columns: 22px 1fr; }
  .qbank-item .qmeta, .qbank-item .qtext { grid-column: 2; }
  .activity-time-step { grid-template-columns: 30px minmax(0,1fr); }
  .activity-time-step > label, .activity-time-step > select { grid-column: 2; }
  .activity-start-btn { width: calc(100% - 40px); margin-left: 40px; }
  .notes-start-form { grid-template-columns: 1fr; }
  .structured-fields { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .notes-start-form .activity-start-btn { width: 100%; }
  .active-question-preview p { font-size: 16px; }
}

/* ===== 学生端：打开页面后把当前课堂任务放在最前面 ===== */
.legacy-top-account { display: none; }
.student-course-page { padding-top: 18px; }
.student-live-section { margin-bottom: 14px; }
.student-live-section .student-section-title { margin-top: 0; }
.active-lesson-submit-card { border: 2px solid #2f78bd; box-shadow: 0 9px 24px rgba(38,95,150,.12); }
.active-lesson-submit-card .post-slot { padding: 14px; }
.student-question-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.student-countdown { color: #5b3dc4; font-size: 22px; font-variant-numeric: tabular-nums; }
.student-account-card { margin-top: 18px; color: #526075; }
.student-account-card > summary { cursor: pointer; font-weight: 700; }
.student-account-card p:last-child { margin-bottom: 0; }

/* ===== 固定双周课后作业 ===== */
.homework-window-page { max-width: 820px; }
.homework-window-card { padding: 25px 28px; }
.homework-window-card h2, .homework-list-head h2 { margin: 4px 0 7px; }
.eyebrow { margin: 14px 0 0; color: #2f6fae; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.homework-rule, .homework-list-head p { color: #5d6b7d; line-height: 1.75; }
.homework-window-form { margin-top: 22px; }
.homework-window-form > label, .homework-window-times label { display: flex; flex-direction: column; gap: 7px; font-weight: 700; }
.homework-window-form select, .homework-window-form input { padding: 11px 12px; border: 1px solid #ccd5e1; border-radius: 9px; background: #fff; font: inherit; }
.homework-class-fixed { display: flex; align-items: center; gap: 14px; padding: 13px 15px; border-radius: 10px; background: #f1f6fb; }
.homework-class-fixed span { color: #6b7789; font-size: 13px; }
.homework-window-times { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 16px; }
.homework-window-save { margin-top: 12px; padding: 12px 22px; font-size: 16px; }
.homework-list-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.homework-list-head .btn { flex: 0 0 auto; }

@media (max-width: 640px) {
  .student-course-page { padding-top: 10px; }
  .student-live-section .student-section-title h2 { font-size: 23px; }
  .active-lesson-submit-card { padding: 15px 13px; }
  .active-lesson-submit-card .lesson-submit-head { align-items: flex-start; }
  .active-lesson-submit-card .post-slot { grid-template-columns: 1fr; }
  .active-lesson-submit-card .post-slot-num { display: none; }
  .student-question-head { align-items: center; }
  .student-countdown { font-size: 20px; }
  .post-upload-box .btn { width: 100%; min-height: 44px; }
  .homework-window-card { padding: 19px 16px; }
  .homework-window-times { grid-template-columns: 1fr; }
  .homework-window-save { width: 100%; }
  .homework-list-head { align-items: flex-start; flex-direction: column; }
  .homework-list-head .btn { width: 100%; text-align: center; }
}

/* 学生检测识别：只显示诊断敏感的局部确认，不显示答案或模型推荐。 */
.recognition-page .page-head { margin-bottom: 14px; }
.recognition-wait { border-left: 4px solid #2e74b5; }
.recognition-step[hidden] { display: none; }
.recognition-step .step-count { color: #6b7890; font-size: 12px; }
.recognition-crop { display: block; max-width: 100%; max-height: 260px; margin: 12px auto 18px;
  border: 1px solid #d7deea; border-radius: 10px; background: #fff; object-fit: contain; }
.recognition-step fieldset { margin: 0; padding: 0; border: 0; }
.recognition-step legend { margin-bottom: 10px; font-weight: 700; }
.recognition-choice { display: flex; align-items: center; gap: 10px; margin: 8px 0; padding: 12px 14px;
  border: 1px solid #d9e0eb; border-radius: 10px; background: #f8fafc; cursor: pointer; }
.recognition-choice:has(input:checked) { border-color: #2e74b5; background: #eef5fc; }
.recognition-choice input { width: 18px; height: 18px; margin: 0; }
.recognition-step .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.question-row { padding: 12px 0; border-bottom: 1px solid #e2e7ef; }
.question-row:last-child { border-bottom: 0; }
.question-row > span { margin-left: 10px; color: #6d7888; font-size: 12px; }
.question-row p { margin: 5px 0 0; }

/* ===== AI 批阅进度页 ===== */
.stats-table { width: 100%; border-collapse: collapse; margin: 10px 0; }
.stats-table td { padding: 0; }
.stat-cell { text-align: center; padding: 18px 10px; border: 1px solid #e5e8ef; border-radius: 10px; }
.stat-cell .stat-num { display: block; font-size: 28px; font-weight: 800; line-height: 1.2; }
.stat-cell .stat-label { display: block; color: #6b7280; font-size: 13px; margin-top: 4px; }
.stat-queued .stat-num { color: #2563eb; }
.stat-processing .stat-num { color: #d97706; }
.stat-done .stat-num { color: #16a34a; }
.stat-retry .stat-num { color: #9333ea; }
.stat-failed .stat-num { color: #dc2626; }
.stat-cancelled .stat-num { color: #9ca3af; }
.data-table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 13px; }
.data-table th { text-align: left; padding: 8px 10px; border-bottom: 2px solid #dfe5ee; color: #555; font-weight: 600; }
.data-table td { padding: 7px 10px; border-bottom: 1px solid #edf0f5; }
.data-table tr.status-failed { background: #fef2f2; }
.data-table tr.status-retry_wait { background: #faf5ff; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.badge-done { background: #dcfce7; color: #15803d; }
.badge-processing { background: #fef3c7; color: #b45309; }
.badge-queued { background: #dbeafe; color: #1d4ed8; }
.badge-retry { background: #f3e8ff; color: #7e22ce; }
.badge-failed { background: #fee2e2; color: #b91c1c; }
.badge-cancelled { background: #f3f4f6; color: #6b7280; }
.error-cell { max-width: 280px; color: #991b1b; font-size: 12px; word-break: break-word; }