* { margin: 0; padding: 0; box-sizing: border-box; }

  html, body {
    height: 100%; overflow: hidden;
    display: flex; flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC", sans-serif;
    background: var(--bg-primary); color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
  }

  /* ── 顶栏 ── */
  .console-topbar {
    flex-shrink: 0; height: 48px;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 18px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-card);
    z-index: 100;
  }
  .console-topbar .tb-left {
    display: flex; align-items: center; gap: 10px;
  }
  .console-topbar .tb-title {
    font-size: 15px; font-weight: 700; color: var(--text-primary);
    letter-spacing: -0.2px;
  }
  .console-topbar .tb-class-info {
    font-size: 12px; color: var(--text-secondary);
    background: var(--bg-card-hover);
    padding: 3px 12px; border-radius: var(--radius-full);
    border: 1px solid var(--border-subtle);
  }
  .console-topbar .tb-right {
    display: flex; align-items: center; gap: 6px;
  }
  .tb-btn {
    padding: 5px 12px; border: none; border-radius: var(--radius-sm);
    font-size: 12px; font-family: inherit; font-weight: 500;
    cursor: pointer; transition: all var(--duration-fast);
    background: var(--bg-card-hover); color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    white-space: nowrap; text-decoration: none;
    display: inline-flex; align-items: center; gap: 4px;
  }
  .tb-btn:hover { background: var(--border-active); color: var(--text-primary); }
  .tb-btn.muted { background: var(--accent); color: #fff; border-color: var(--accent); }

  /* ── 主体 ── */
  .console-body {
    flex: 1; display: flex; overflow: hidden; min-height: 0;
  }

  /* ── 左：内容区 ── */
  .content-pane {
    flex: 1; min-width: 0;
    display: flex; flex-direction: column;
    background: var(--bg-primary);
  }

  /* 视图切换 */
  .view-tabs {
    flex-shrink: 0; height: 40px;
    display: flex; align-items: center; gap: 2px;
    padding: 0 12px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-card);
  }
  .view-tab {
    padding: 6px 16px; border: none; border-radius: var(--radius-sm);
    background: transparent; color: var(--text-secondary);
    cursor: pointer; font-size: 12.5px; font-weight: 500; font-family: inherit;
    transition: all var(--duration-fast) var(--ease); white-space: nowrap;
  }
  .view-tab:hover { background: var(--bg-card-hover); color: var(--text-primary); }
  .view-tab.active { background: var(--accent); color: #fff; }
  .view-follow-label {
    margin-left: auto; font-size: 11px; color: var(--text-muted);
    padding-right: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 240px;
  }

  /* 视图内容 */
  .view-content {
    flex: 1; position: relative; overflow: hidden;
  }

  /* 总览视图 */
  .overview-view {
    position: absolute; inset: 0; overflow-y: auto;
    padding: 20px;
  }
  .overview-view.hidden { display: none; }

  /* 统计卡片 */
  .stat-cards {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 14px; margin-bottom: 20px;
    min-height: 90px;
  }
  .stat-card {
    background: var(--bg-card); border-radius: var(--radius-md);
    padding: 16px 18px; border: 1px solid var(--border-card);
    min-height: 90px;
  }
  .stat-card .stat-value {
    font-size: 26px; font-weight: 700; color: var(--text-primary);
    letter-spacing: -0.5px; line-height: 1.1;
  }
  .stat-card .stat-label {
    font-size: 11px; font-weight: 600; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.8px; margin-top: 4px;
  }
  .stat-card.warn .stat-value { color: var(--warning); }

  /* 进度分布 */
  .phase-distribution {
    background: var(--bg-card); border-radius: var(--radius-md);
    padding: 18px 20px; margin-bottom: 20px;
    border: 1px solid var(--border-card);
  }
  .dist-title {
    font-size: 11px; font-weight: 700; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 12px;
  }
  .dist-bar {
    display: flex; height: 28px; border-radius: var(--radius-sm);
    overflow: hidden; background: var(--bg-card-hover); margin-bottom: 12px;
  }
  .dist-seg { height: 100%; transition: width 0.4s var(--ease); }
  .dist-seg.ph1{background:var(--phase-1)}.dist-seg.ph2{background:var(--phase-2)}
  .dist-seg.ph3{background:var(--phase-3)}.dist-seg.ph4{background:var(--phase-4)}
  .dist-seg.ph5{background:var(--phase-5)}.dist-seg.ph6{background:var(--phase-6)}
  .dist-seg.ph7{background:var(--phase-7)}.dist-seg.ph8{background:var(--phase-8)}
  .dist-seg.ph9{background:var(--phase-9)}.dist-seg.ph10{background:var(--phase-10)}
  .dist-seg.ph11{background:var(--phase-11)}.dist-seg.ph12{background:var(--phase-12)}
  .dist-seg.ph13{background:var(--phase-13)}
  .dist-seg.off{background:var(--offline)}
  .dist-numbers {
    display: flex; flex-wrap: wrap; gap: 10px 18px;
    font-size: 12px; color: var(--text-secondary);
  }
  .dist-numbers .num-item { display: flex; align-items: center; gap: 6px; }
  .dist-numbers .num-item.warn { color: var(--warning); }
  .num-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

  /* 学生网格 */
  .stu-grid { display: flex; flex-direction: column; gap: 16px; }
  .phase-group-title {
    font-size: 12px; font-weight: 700; color: var(--text-secondary);
    margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
    text-transform: uppercase; letter-spacing: 0.6px;
  }
  .phase-group-cards { display: flex; flex-wrap: wrap; gap: 12px; }
  .stu-grid-card {
    width: 180px; min-height: 110px; padding: 14px 16px;
    border-radius: var(--radius-md); background: var(--bg-card);
    cursor: pointer; display: flex; flex-direction: column; gap: 6px;
    border: 1px solid var(--border-card);
    border-left: 3px solid var(--border-subtle);
    transition: all var(--duration-fast) var(--ease); position: relative;
  }
  .stu-grid-card:hover { background: var(--bg-card-hover); border-color: var(--border-active); }
  .stu-grid-card.ph1{border-left-color:var(--phase-1)}.stu-grid-card.ph2{border-left-color:var(--phase-2)}
  .stu-grid-card.ph3{border-left-color:var(--phase-3)}.stu-grid-card.ph4{border-left-color:var(--phase-4)}
  .stu-grid-card.ph5{border-left-color:var(--phase-5)}.stu-grid-card.ph6{border-left-color:var(--phase-6)}
  .stu-grid-card.ph7{border-left-color:var(--phase-7)}.stu-grid-card.ph8{border-left-color:var(--phase-8)}
  .stu-grid-card.ph9{border-left-color:var(--phase-9)}.stu-grid-card.ph10{border-left-color:var(--phase-10)}
  .stu-grid-card.ph11{border-left-color:var(--phase-11)}.stu-grid-card.ph12{border-left-color:var(--phase-12)}
  .stu-grid-card.ph13{border-left-color:var(--phase-13)}
  .stu-grid-card.ph0{border-left-color:var(--offline)}
  .stu-grid-card.stuck { border-color: var(--danger); box-shadow: 0 0 14px rgba(196,107,107,.15); }
  .stu-grid-card .gc-head {
    display: flex; align-items: center; justify-content: space-between; gap: 6px;
  }
  .stu-grid-card .name { font-weight: 600; color: var(--text-primary); font-size: 13px; }
  .stu-grid-card .page-line {
    font-size: 10.5px; color: var(--text-muted);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .stu-grid-card .meta { font-size: 10.5px; color: var(--text-secondary); display: flex; gap: 10px; }
  .card-flag {
    position: absolute; top: 8px; right: 10px;
    font-size: 10px; padding: 1px 7px; border-radius: var(--radius-full);
    font-weight: 600; letter-spacing: 0.3px;
  }
  .card-flag.stuck { background: rgba(196,107,107,.15); color: var(--danger); }
  .empty-hint {
    color: var(--text-muted); font-size: 13px;
    text-align: center; padding: 48px 0;
  }

  /* 课堂视图 */
  .classroom-view {
    position: absolute; inset: 0; overflow: hidden;
  }
  .classroom-view.hidden { display: none; }

  .iframe-wrapper {
    position: absolute; inset: 0; overflow: hidden;
    background: var(--bg-primary);
  }
  .iframe-wrapper iframe {
    position: absolute; border: 0;
  }

  .viewing-label {
    position: absolute; top: 12px; left: 16px; z-index: 3;
    font-size: 12px; color: rgba(0,0,0,0.6);
    background: rgba(255,255,255,0.85); padding: 5px 14px;
    border-radius: var(--radius-full); pointer-events: none;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-card);
  }
  .viewing-label strong { color: var(--text-primary); font-weight: 600; }

  .click-block {
    position: absolute; inset: 0; z-index: 5;
    background: transparent; cursor: not-allowed;
  }

  /* ── 右：控制面板 ── */
  .ctrl-pane {
    width: 380px; flex-shrink: 0;
    display: flex; flex-direction: column;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-card);
    overflow-y: auto;
    transition: width 0.3s ease;
  }
  .ctrl-pane.collapsed { width: 0; overflow: hidden; border-left: none; }

  .toggle-btn {
    position: fixed; right: 380px; top: 50%; z-index: 100;
    transform: translateY(-50%);
    width: 24px; height: 64px;
    border: 1px solid var(--border-card); border-right: none;
    border-radius: 10px 0 0 10px;
    background: var(--bg-card); cursor: pointer;
    font-size: 12px; color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
    transition: right 0.3s ease;
    box-shadow: -2px 0 10px rgba(0,0,0,.08);
  }
  .toggle-btn:hover { color: var(--text-primary); background: var(--bg-card-hover); }
  .toggle-btn.shifted { right: 0; border-radius: 0 10px 10px 0; border-right: 1px solid var(--border-card); border-left: none; }

  .pane-inner { padding: 14px 14px; display: flex; flex-direction: column; gap: 12px; }

  /* ── 面板卡片 ── */
  .pane-card {
    background: var(--bg-card); border-radius: var(--radius-md);
    padding: 16px 18px; border: 1px solid var(--border-card);
  }
  .pane-card h3 {
    font-size: 11px; font-weight: 700; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px;
  }

  /* ── 纵向时间线 ── */
  .phase-timeline {
    display: flex; flex-direction: column;
  }

  /* 引导横幅 */
  .tl-guide {
    padding: 10px 12px; border-radius: var(--radius-sm);
    margin-bottom: 8px; font-size: 11.5px; line-height: 1.45;
    font-weight: 500;
    min-height: 54px; display: flex; align-items: center;
  }
  .tl-guide.info {
    background: #E8F0F8; color: #3D6A96;
    border: 1px solid #C5D9EB;
  }
  .tl-guide.warn {
    background: #FDF5ED; color: #B07D4A;
    border: 1px solid #F0D5B5;
  }
  .tl-guide.success {
    background: #EEF4EC; color: #5C8B5A;
    border: 1px solid #C5D9C3;
  }

  /* 区域标签 */
  .tl-zone-label {
    font-size: 10px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.8px; padding: 4px 0 2px;
    display: flex; align-items: center; gap: 8px;
  }
  .tl-zone-label .zone-line {
    flex: 1; height: 1px;
  }
  .tl-zone-label.open { color: #7D9B76; }
  .tl-zone-label.open .zone-line { background: #C5D9C3; }
  .tl-zone-label.current-z { color: var(--accent); }
  .tl-zone-label.current-z .zone-line { background: rgba(74,125,173,0.2); }
  .tl-zone-label.waiting { color: var(--text-muted); }
  .tl-zone-label.waiting .zone-line { background: var(--border-subtle); }

  /* 环节行增强 */
  .phase-row {
    display: flex; align-items: center; gap: 12px;
    padding: 8px 10px; border-radius: var(--radius-sm);
    cursor: pointer; transition: all var(--duration-fast) var(--ease);
    border-left: 3px solid transparent;
    margin-bottom: 2px;
    min-height: 48px;
  }
  .phase-row:hover { background: var(--bg-card-hover); }
  .phase-row.done { border-left-color: #7D9B76; background: #F6F9F4; }
  .phase-row.current { border-left-color: var(--accent); border-left-width: 4px; background: #E8F0F8; }
  .phase-row.locked { border-left-color: var(--border-subtle); opacity: 0.55; }

  .phase-row .ph-dot {
    width: 28px; height: 28px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; flex-shrink: 0;
    transition: all var(--duration-normal) var(--ease);
  }
  .phase-row.done .ph-dot { background: #7D9B76; color: #fff; }
  .phase-row.current .ph-dot {
    background: var(--accent); color: #fff;
    box-shadow: 0 0 0 4px rgba(74,125,173,0.2);
  }
  .phase-row.locked .ph-dot { background: var(--bg-card-hover); color: var(--text-muted); border: 2px solid var(--border-subtle); }

  .phase-row .ph-info { flex: 1; min-width: 0; }
  .phase-row .ph-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }
  .phase-row.locked .ph-name { color: var(--text-muted); }
  .phase-row .ph-count { font-size: 11px; color: var(--text-secondary); margin-top: 1px; }
  .phase-row.current .ph-name { color: var(--accent); }
  .phase-row .ph-tag { font-size: 11px; flex-shrink: 0; }
  .phase-row.done .ph-tag { color: #7D9B76; }
  .phase-row.current .ph-tag { color: var(--accent); font-weight: 600; }
  .phase-row.locked .ph-tag { color: var(--text-muted); }

  .tl-actions {
    display: flex; gap: 8px; margin-top: 12px;
  }
  .tl-btn {
    padding: 8px 18px; border: none; border-radius: var(--radius-sm);
    font-size: 12.5px; font-family: inherit; font-weight: 600;
    cursor: pointer; transition: all var(--duration-fast) var(--ease);
    white-space: nowrap; line-height: 1.4;
  }
  .tl-btn.pri { background: var(--accent); color: #fff; }
  .tl-btn.pri:hover { background: var(--accent-hover); transform: translateY(-1px); }
  .tl-btn.pri:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
  .tl-btn.sec { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-subtle); }
  .tl-btn.sec:hover { background: var(--bg-card-hover); color: var(--text-primary); }

  .tl-desc {
    font-size: 11px; color: var(--text-muted);
    margin-top: 8px; line-height: 1.5;
  }

  /* ── 学生列表 ── */
  .stu-list-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 10px;
  }
  .stu-list-header .sl-count { font-size: 12px; color: var(--text-secondary); }

  .stu-list { max-height: 260px; overflow-y: auto; }
  .stu-row {
    display: flex; align-items: center; gap: 8px;
    padding: 7px 10px; border-radius: var(--radius-sm);
    font-size: 12.5px; cursor: pointer;
    transition: background var(--duration-fast);
    margin-bottom: 1px;
  }
  .stu-row:hover { background: var(--bg-card-hover); }
  .stu-row.selected { background: var(--accent-bg); border: 1px solid rgba(92,143,191,0.2); }
  .stu-row .stu-cb { width: 15px; height: 15px; cursor: pointer; accent-color: var(--accent); flex-shrink: 0; }
  .stu-row .stu-name {
    font-weight: 600; flex: 1; min-width: 0;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    color: var(--text-primary);
  }
  .stu-row .stu-lock-tag {
    font-size: 10px; color: var(--warning); font-weight: 600;
    flex-shrink: 0;
  }
  .stu-row .stu-more {
    flex-shrink: 0; width: 24px; height: 24px;
    border: none; border-radius: var(--radius-sm);
    background: transparent; color: var(--text-muted);
    cursor: pointer; font-size: 14px; display: flex;
    align-items: center; justify-content: center;
    transition: all var(--duration-fast);
    opacity: 0;
  }
  .stu-row:hover .stu-more { opacity: 1; }
  .stu-row .stu-more:hover { background: var(--bg-card-hover); color: var(--text-primary); }

  /* 批量操作栏 */
  .batch-bar {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    padding: 8px 10px; margin-bottom: 8px;
    background: var(--accent-bg); border-radius: var(--radius-sm);
    border: 1px solid rgba(92,143,191,0.15);
    font-size: 12px;
  }
  .batch-bar.hidden { display: none; }
  .batch-bar .batch-info { color: var(--text-secondary); font-size: 11px; }
  .batch-btn {
    padding: 3px 8px; border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
    background: var(--bg-card); color: var(--text-primary);
    cursor: pointer; font-size: 11px; font-family: inherit; font-weight: 500;
    transition: all var(--duration-fast);
  }
  .batch-btn:hover { border-color: var(--accent); color: var(--accent); }
  .batch-btn.danger { color: var(--danger); }
  .batch-btn.danger:hover { border-color: var(--danger); background: rgba(196,107,107,0.1); }

  /* 学生空态 */
  .stu-empty {
    text-align: center; padding: 24px 16px;
    color: var(--text-muted); font-size: 12.5px; line-height: 1.6;
  }
  .stu-empty .class-code {
    display: inline-block; margin: 8px 0;
    padding: 6px 14px; background: var(--bg-card-hover);
    border-radius: var(--radius-sm); font-family: monospace;
    font-size: 16px; letter-spacing: 2px; color: var(--text-primary);
    border: 1px dashed var(--border-active);
  }
  .stu-empty .copy-btn {
    margin-top: 6px; padding: 4px 12px;
    border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
    background: var(--bg-card); color: var(--text-secondary);
    cursor: pointer; font-size: 11px; font-family: inherit;
    transition: all var(--duration-fast);
  }
  .stu-empty .copy-btn:hover { border-color: var(--accent); color: var(--accent); }

  /* ── 答案锁 ── */
  .answer-lock-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: 8px; padding-top: 12px; margin-top: 12px;
    border-top: 1px solid var(--border-subtle);
  }
  .al-label { font-size: 12px; color: var(--text-primary); font-weight: 600; }
  .al-toggle {
    font-size: 11px; padding: 5px 14px; border-radius: var(--radius-sm);
    cursor: pointer; border: 1px solid; transition: all var(--duration-fast);
    white-space: nowrap; font-family: inherit; font-weight: 500;
  }
  .al-toggle.locked {
    color: var(--lock-locked); border-color: rgba(196,144,92,0.3);
    background: var(--lock-locked-bg);
  }
  .al-toggle.unlocked {
    color: var(--lock-unlocked); border-color: rgba(125,155,118,0.3);
    background: var(--lock-unlocked-bg);
  }
  .al-toggle:hover { opacity: .85; }

  /* ── 底部学生卡片栏 ── */
  .student-bar {
    flex-shrink: 0; height: 86px;
    background: var(--bg-card); border-top: 1px solid var(--border-card);
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; overflow-x: auto;
  }
  .stu-card {
    flex-shrink: 0; width: 96px; height: 70px;
    border-radius: var(--radius-md); cursor: pointer;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 2px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-card);
    border-left: 3px solid var(--border-subtle);
    transition: all var(--duration-fast) var(--ease);
    position: relative; user-select: none;
  }
  .stu-card:hover { background: #E2EBDF; border-color: var(--border-active); }
  .stu-card.active {
    border-color: var(--accent);
    background: #DEE9F2;
    box-shadow: 0 0 14px rgba(74,125,173,.12);
  }
  .stu-card.teacher { border-left-color: #A09C96; }
  .stu-card.teacher.active { border-color: #C4A24E; background: #F6F0E0; box-shadow: 0 0 14px rgba(196,162,78,.12); }

  .stu-card.ph1 { border-left-color: var(--phase-1); }
  .stu-card.ph2 { border-left-color: var(--phase-2); }
  .stu-card.ph3 { border-left-color: var(--phase-3); }
  .stu-card.ph4 { border-left-color: var(--phase-4); }
  .stu-card.ph5 { border-left-color: var(--phase-5); }
  .stu-card.ph6 { border-left-color: var(--phase-6); }
  .stu-card.ph7 { border-left-color: var(--phase-7); }
  .stu-card.ph8 { border-left-color: var(--phase-8); }
  .stu-card.ph9 { border-left-color: var(--phase-9); }
  .stu-card.ph10 { border-left-color: var(--phase-10); }
  .stu-card.ph11 { border-left-color: var(--phase-11); }
  .stu-card.ph12 { border-left-color: var(--phase-12); }
  .stu-card.ph13 { border-left-color: var(--phase-13); }

  .stu-card .card-status { position: absolute; top: 3px; right: 5px; }
  .stu-card .card-name {
    font-size: 11px; font-weight: 600; color: var(--text-primary);
    max-width: 74px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .stu-card .card-phase {
    font-size: 9.5px; padding: 1px 6px; border-radius: var(--radius-full);
    color: #fff; font-weight: 600; letter-spacing: 0.2px;
  }
  .stu-card .card-lock {
    position: absolute; top: 2px; left: 5px;
    font-size: 9px; color: var(--warning); font-weight: 600;
  }
  .stu-card .card-icon { font-size: 16px; opacity: 0.85; }

  /* ── 个人锁浮层 ── */
  .indv-lock-pop {
    position: fixed; z-index: 700;
    background: var(--bg-card); border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); border: 1px solid var(--border-card);
    padding: 14px 16px; display: none; flex-direction: column; gap: 10px;
  }
  .indv-lock-pop.show { display: flex; }
  .indv-lock-pop .ilp-title { font-size: 11px; color: var(--text-secondary); font-weight: 600; letter-spacing: 0.5px; white-space: nowrap; }
  .indv-lock-pop .ilp-btns { display: flex; gap: 6px; }
  .ilp-ph {
    width: 34px; height: 32px; border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle); background: var(--bg-card);
    cursor: pointer; font-size: 13px; font-weight: 700; color: var(--text-secondary);
    font-family: inherit; transition: all var(--duration-fast);
  }
  .ilp-ph:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }

  /* ── 无班级空态 ── */
  .empty-guide {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; text-align: center;
    padding: 60px 20px; color: var(--text-secondary);
    height: 100%;
  }
  .empty-guide .eg-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.8; }
  .empty-guide .eg-title { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
  .empty-guide .eg-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.6; max-width: 360px; }
  .empty-guide .eg-btn {
    padding: 10px 24px; border: none; border-radius: var(--radius-sm);
    background: var(--accent); color: #fff;
    font-size: 14px; font-weight: 600; font-family: inherit; cursor: pointer;
    transition: all var(--duration-fast);
  }
  .empty-guide .eg-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }

  /* ── 登录拦截 ── */
  .login-block {
    display: flex; align-items: center; justify-content: center;
    width: 100%; height: 100vh;
    background: var(--bg-primary); text-align: center;
  }
  .login-block a { color: var(--accent); }

  /* ── Toast 通知容器 ── */
  .toast-container {
    position: fixed; bottom: 16px; right: 16px; z-index: 800;
    display: flex; flex-direction: column-reverse; gap: 8px;
    max-width: 380px; pointer-events: none;
  }
  .toast {
    pointer-events: auto;
    background: var(--bg-card); border-radius: var(--radius-md);
    padding: 14px 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-card);
    animation: toastIn 0.3s var(--ease);
    display: flex; flex-direction: column; gap: 6px;
    transition: all 0.2s ease;
  }
  .toast.dismissing { opacity: 0; transform: translateX(40px); }
  @keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
  }
  .toast .toast-head {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 600; color: var(--text-primary);
  }
  .toast .toast-body {
    font-size: 12px; color: var(--text-secondary); line-height: 1.4;
  }
  .toast .toast-actions {
    display: flex; gap: 6px; margin-top: 4px;
  }
  .toast-act {
    padding: 4px 12px; border-radius: var(--radius-sm);
    font-size: 11px; font-weight: 500; cursor: pointer;
    border: 1px solid var(--border-subtle);
    background: var(--bg-card-hover); color: var(--text-primary);
    font-family: inherit; transition: all var(--duration-fast);
  }
  .toast-act:hover { border-color: var(--border-active); }
  .toast-act.pri {
    background: var(--accent); color: #fff; border-color: var(--accent);
  }
  .toast-act.pri:hover { background: var(--accent-hover); }

  /* ── 通知面板 ── */
  .notify-panel {
    position: fixed; top: 52px; right: 80px; z-index: 500;
    width: 360px; max-height: 480px;
    background: var(--bg-card); border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); border: 1px solid var(--border-card);
    display: flex; flex-direction: column; overflow: hidden;
  }
  .notify-panel.hidden { display: none; }
  .np-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; border-bottom: 1px solid var(--border-subtle);
    font-size: 13px; font-weight: 700; color: var(--text-primary);
  }
  .np-list { overflow-y: auto; flex: 1; }
  .np-item {
    padding: 10px 16px; border-bottom: 1px solid var(--border-subtle);
    font-size: 12px; line-height: 1.5; cursor: default;
  }
  .np-item:last-child { border-bottom: none; }
  .np-item .np-time { font-size: 10px; color: var(--text-muted); }
  .np-item .np-title { font-weight: 600; color: var(--text-primary); }
  .np-item .np-body { color: var(--text-secondary); margin-top: 2px; }

  /* ── 铃铛红点 ── */
  .bell-badge {
    position: absolute; top: -4px; right: -4px;
    background: var(--danger); color: #fff;
    border-radius: 50%; min-width: 16px; height: 16px;
    font-size: 10px; line-height: 16px; text-align: center;
    padding: 0 3px; font-weight: 600; pointer-events: none;
  }