/* ============================================================
   客诉工单后台 — 全局样式
   色彩体系（经 CVD/对比度验证）：
   状态列：待处理=灰 / 处理中=蓝 / 已解决=绿 / 未解决=深红 / 升级处理=紫
   紧急程度：一般=青 / 重大=琥珀 / 特大=红
   问题类型：质量问题=红 / 错发漏发=橙 / 配送延迟=蓝 / 服务态度=紫 / 其他=灰
   ============================================================ */
:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --gridline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --kb-bg: #f2f2ef;            /* 看板列底色，与页面同调 */

  --st-pending: #898781;
  --st-processing: #2a78d6;
  --st-resolved: #0ca30c;
  --st-unresolved: #d03b3b;
  --st-escalated: #4a3aa7;

  --ur-general: #1baf7a;
  --ur-major: #eda100;
  --ur-major-ink: #7a5400;
  --ur-critical: #e34948;

  --pt-quality: #e34948;
  --pt-missing: #eb6834;
  --pt-delivery: #2a78d6;
  --pt-attitude: #4a3aa7;
  --pt-other: #898781;

  --shadow-sm: 0 1px 3px rgba(11, 11, 11, 0.07);
  --shadow-md: 0 4px 14px rgba(11, 11, 11, 0.10);
  --radius: 12px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--page);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--st-processing); text-decoration: none; }
.hidden { display: none !important; }

/* ============================================================ 顶栏 */
#topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--gridline);
  box-shadow: 0 1px 3px rgba(11, 11, 11, 0.04);
}
.topbar-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 20px;
  height: 56px; display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; white-space: nowrap; }
.brand-logo { height: 26px; width: auto; object-fit: contain; }
.mask-logo { width: 110px; height: auto; object-fit: contain; margin-bottom: 6px; }
#nav { display: flex; gap: 4px; flex: 1; }
.nav-item {
  padding: 6px 14px; border-radius: 8px; color: var(--ink-2);
  font-weight: 500; white-space: nowrap;
}
.nav-item:hover { background: rgba(11, 11, 11, 0.05); color: var(--ink); }
.nav-item.active { background: rgba(42, 120, 214, 0.10); color: var(--st-processing); }
.user-area { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.user-chip {
  background: rgba(42, 120, 214, 0.10); color: var(--st-processing);
  padding: 4px 12px; border-radius: 999px; font-weight: 600; font-size: 13px;
  display: inline-flex; align-items: center; gap: 6px;
}
.role-tag {
  background: rgba(74, 58, 167, 0.14); color: var(--st-escalated);
  font-size: 11px; padding: 0 6px; border-radius: 999px;
}

/* ============================================================ 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 16px; border-radius: 8px; border: 1px solid transparent;
  font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit;
  background: var(--surface); color: var(--ink); border-color: var(--border);
  transition: background .15s, border-color .15s;
}
.btn:hover { border-color: rgba(11, 11, 11, 0.22); }
.btn-primary { background: var(--st-processing); color: #fff; }
.btn-primary:hover { background: #256abf; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: rgba(11, 11, 11, 0.06); color: var(--ink); }
.btn-danger { background: var(--st-unresolved); color: #fff; }
.btn-danger:hover { background: #b33030; }
.btn-sm { padding: 4px 10px; font-size: 13px; }

/* ============================================================ 徽章 */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.badge-st-pending     { background: rgba(137, 135, 129, 0.14); color: #5f5e59; }
.badge-st-processing  { background: rgba(42, 120, 214, 0.12); color: var(--st-processing); }
.badge-st-resolved    { background: rgba(12, 163, 12, 0.13);  color: #0a8c0a; }
.badge-st-unresolved  { background: rgba(208, 59, 59, 0.12);  color: var(--st-unresolved); }
.badge-st-escalated   { background: rgba(74, 58, 167, 0.12);  color: var(--st-escalated); }
.badge-ur-general     { background: rgba(27, 175, 122, 0.12); color: #158f64; }
.badge-ur-major       { background: rgba(237, 161, 0, 0.16);  color: var(--ur-major-ink); }
.badge-ur-critical    { background: rgba(227, 73, 72, 0.12);  color: #c92f2e; }
.tag-pt-quality  { background: rgba(227, 73, 72, 0.10);  color: #c92f2e; }
.tag-pt-missing  { background: rgba(235, 104, 52, 0.11);  color: #c44e1f; }
.tag-pt-delivery { background: rgba(42, 120, 214, 0.10); color: var(--st-processing); }
.tag-pt-attitude { background: rgba(74, 58, 167, 0.10);  color: var(--st-escalated); }
.tag-pt-other    { background: rgba(137, 135, 129, 0.13); color: #5f5e59; }
.badge-sys { background: rgba(137, 135, 129, 0.14); color: #5f5e59; }

/* ============================================================ 页面容器 */
#page { max-width: 1400px; margin: 0 auto; padding: 20px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.page-title { font-size: 20px; font-weight: 700; margin: 0; }

/* ============================================================ 登录弹窗 */
#login-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(11, 11, 11, 0.45);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.mask-panel {
  background: var(--surface); border-radius: 16px; padding: 32px 40px;
  max-width: 460px; width: 100%; text-align: center; box-shadow: var(--shadow-md);
}
.mask-panel h2 { margin: 0 0 8px; font-size: 20px; }
.mask-tip { color: var(--ink-2); margin: 0 0 20px; }
.mask-empty { color: var(--muted); }
.mask-panel .form-group { text-align: left; margin-bottom: 10px; }
.login-btn { width: 100%; padding: 10px; font-size: 15px; }
.login-error { color: var(--st-unresolved); font-size: 13px; text-align: left; margin-bottom: 8px; }

/* ============================================================ 看板 */
.kanban-filter {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--gridline);
  border-radius: var(--radius); padding: 10px 14px; margin-bottom: 16px;
}
.kanban-filter select, .kanban-filter input[type="text"] {
  padding: 6px 10px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; font-family: inherit; background: var(--surface); color: var(--ink);
}
.kanban-filter .spacer { flex: 1; }
.kanban-board { display: grid; grid-template-columns: repeat(5, minmax(220px, 1fr)); gap: 14px; align-items: start; }
.kb-col {
  background: var(--kb-bg); border-radius: var(--radius);
  padding: 10px; min-height: 220px;
}
.kb-col-0 { border-top: 3px solid var(--st-pending); }
.kb-col-1 { border-top: 3px solid var(--st-processing); }
.kb-col-2 { border-top: 3px solid var(--st-resolved); }
.kb-col-3 { border-top: 3px solid var(--st-unresolved); }
.kb-col-4 { border-top: 3px solid var(--st-escalated); }
.kb-head { display: flex; align-items: center; gap: 8px; padding: 2px 4px 10px; font-weight: 700; }
.kb-head::before { content: ''; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.kb-col-0 .kb-head::before { background: var(--st-pending); }
.kb-col-1 .kb-head::before { background: var(--st-processing); }
.kb-col-2 .kb-head::before { background: var(--st-resolved); }
.kb-col-3 .kb-head::before { background: var(--st-unresolved); }
.kb-col-4 .kb-head::before { background: var(--st-escalated); }
.kb-count {
  min-width: 22px; height: 22px; padding: 0 6px; border-radius: 999px;
  background: rgba(11, 11, 11, 0.07); color: var(--ink-2);
  font-size: 12px; display: inline-flex; align-items: center; justify-content: center;
}
.kb-cards { display: flex; flex-direction: column; gap: 8px; min-height: 60px; }
.kb-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px 10px 14px; position: relative; cursor: pointer;
  transition: box-shadow .15s, transform .15s;
}
.kb-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.kb-card.dragging { opacity: .45; }
.kb-col.drag-over { outline: 2px dashed var(--st-processing); outline-offset: -4px; }
.ur-strip { position: absolute; left: 0; top: 8px; bottom: 8px; width: 4px; border-radius: 4px; }
.ur-strip-general  { background: var(--ur-general); }
.ur-strip-major    { background: var(--ur-major); }
.ur-strip-critical { background: var(--ur-critical); }
.kb-card .row1 { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; flex-wrap: wrap; }
.kb-no { font-weight: 700; font-variant-numeric: tabular-nums; }
.kb-card .row2 { font-size: 13px; color: var(--ink); margin-bottom: 4px; }
.kb-card .row3 { font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; }
.kb-handler-active { color: var(--st-processing); font-weight: 700; }
.kb-empty { color: var(--muted); text-align: center; padding: 18px 0; font-size: 13px; }

/* ============================================================ 表单 */
.card {
  background: var(--surface); border: 1px solid var(--gridline);
  border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px;
}
.card-title { font-size: 15px; font-weight: 700; margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.card-title::before { content: ''; width: 4px; height: 14px; border-radius: 2px; background: var(--st-processing); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 20px; }
.form-grid .span2 { grid-column: span 2; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-label { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.form-label .req { color: var(--st-unresolved); margin-left: 2px; }
.form-input, .form-select, .form-textarea {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: var(--surface); color: var(--ink);
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--st-processing); box-shadow: 0 0 0 3px rgba(42, 120, 214, 0.12);
}
.form-textarea { resize: vertical; min-height: 80px; }
.radio-cards { display: flex; gap: 8px; flex-wrap: wrap; }
.radio-card {
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px;
  cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink-2);
  background: var(--surface); user-select: none;
}
.radio-card input { display: none; }
.radio-card.on { border-color: var(--st-processing); color: var(--st-processing); background: rgba(42, 120, 214, 0.08); }
.radio-card.on.cr-ur-general  { border-color: var(--ur-general);  color: #158f64; background: rgba(27, 175, 122, 0.10); }
.radio-card.on.cr-ur-major    { border-color: var(--ur-major);    color: var(--ur-major-ink); background: rgba(237, 161, 0, 0.13); }
.radio-card.on.cr-ur-critical { border-color: var(--ur-critical); color: #c92f2e; background: rgba(227, 73, 72, 0.10); }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }
.form-hint { font-size: 12px; color: var(--muted); }

/* ============================================================ 工单详情 */
.ticket-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.ticket-no { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; }
.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px 24px; }
.info-grid .span2 { grid-column: span 2; }
.info-item .k { font-size: 12px; color: var(--muted); }
.info-item .v { font-size: 14px; font-weight: 500; word-break: break-all; }
.info-item .v.empty { color: var(--muted); font-weight: 400; }

/* 处理留痕时间线 */
.timeline { position: relative; padding-left: 22px; }
.timeline::before {
  content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px;
  width: 2px; background: var(--gridline); border-radius: 2px;
}
.tl-item { position: relative; padding: 10px 0; }
.tl-dot {
  position: absolute; left: -22px; top: 16px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--st-processing);
  border: 3px solid var(--page);
}
.tl-item.tl-system .tl-dot { background: var(--muted); }
.tl-body { background: var(--surface); border: 1px solid var(--gridline); border-radius: 8px; padding: 10px 14px; }
.tl-item.tl-system .tl-body { background: #f4f3ef; }
.tl-meta { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin-bottom: 4px; flex-wrap: wrap; }
.tl-meta .tl-handler { font-weight: 700; color: var(--ink); }
.tl-dur { color: var(--muted); background: rgba(137, 135, 129, 0.12); padding: 0 7px; border-radius: 999px; }
.tl-action { font-weight: 600; margin-bottom: 2px; }
.tl-result { color: var(--ink-2); white-space: pre-wrap; word-break: break-all; }
.tl-system .tl-action { color: var(--ink-2); font-weight: 500; }
.tl-row { margin-bottom: 2px; }
.tl-k { font-weight: 600; color: var(--ink); font-size: 12px; margin-right: 4px; }
.tl-v { color: var(--ink-2); white-space: pre-wrap; word-break: break-all; }
.desc-block {
  background: #f7f6f2; border-radius: 8px; padding: 12px 14px;
  white-space: pre-wrap; line-height: 1.7; min-height: 48px; word-break: break-all;
}
/* 上传按钮 */
.upload-btn-wrap { display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.upload-names { font-size: 12px; color: var(--muted); word-break: break-all; }

/* 截图附件 */
.att-row { display: flex; flex-wrap: wrap; gap: 4px; }
.att-wrap { position: relative; display: inline-block; }
.att-thumb { display: inline-block; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.att-thumb img { width: 76px; height: 76px; object-fit: cover; display: block; }
.att-file {
  display: inline-flex; align-items: center; gap: 4px; font-size: 13px;
  color: var(--st-processing); padding: 4px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--surface);
}
.att-del {
  position: absolute; top: -7px; right: -7px; width: 18px; height: 18px;
  border: none; border-radius: 50%; background: var(--st-unresolved); color: #fff;
  font-size: 11px; line-height: 1; cursor: pointer;
}
.add-log-form { display: grid; grid-template-columns: 170px 1fr 1fr 120px 120px auto; gap: 10px; align-items: end; }
.add-log-form .span-all { grid-column: 1 / -1; }

/* 状态操作区 */
.status-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* ============================================================ 统计页 */
.stat-tiles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 16px; }
.stat-tile {
  background: var(--surface); border: 1px solid var(--gridline);
  border-radius: var(--radius); padding: 16px 18px;
}
.stat-num { font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat-label { font-size: 13px; color: var(--ink-2); margin-top: 4px; }
.viz-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.viz-card { background: var(--surface); border: 1px solid var(--gridline); border-radius: var(--radius); padding: 18px 20px; }
.viz-title { font-size: 15px; font-weight: 700; margin: 0 0 14px; }
.viz-flex { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.donut { width: 158px; height: 158px; border-radius: 50%; position: relative; flex-shrink: 0; }
.donut::after {
  content: ''; position: absolute; inset: 27px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--gridline);
}
.donut-center {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; z-index: 1;
}
.donut-center .n { font-size: 24px; font-weight: 800; font-variant-numeric: tabular-nums; }
.donut-center .t { font-size: 12px; color: var(--muted); }
.legend { display: flex; flex-direction: column; gap: 8px; min-width: 150px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.legend-swatch { width: 11px; height: 11px; border-radius: 3px; flex-shrink: 0; }
.legend-item .lb { flex: 1; color: var(--ink-2); }
.legend-item .lv { font-weight: 700; font-variant-numeric: tabular-nums; }
.bar-list { display: flex; flex-direction: column; gap: 12px; }
.bar-row { display: grid; grid-template-columns: 96px 1fr 92px; align-items: center; gap: 12px; font-size: 13px; }
.bar-row .bl { display: flex; align-items: center; gap: 7px; color: var(--ink-2); white-space: nowrap; }
.bar-row .bv { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); white-space: nowrap; }
.bar-track { height: 14px; background: var(--gridline); border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 4px; min-width: 4px; }
.bar-stack { display: flex; gap: 2px; background: transparent; }
.bar-stack .bar-fill { border-radius: 4px; }
.bar-stack .bar-rest { flex: 1; background: var(--gridline); border-radius: 4px; }
.viz-empty { color: var(--muted); text-align: center; padding: 30px 0; }
.range-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.range-tab {
  padding: 5px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--ink-2); font-size: 13px;
  font-weight: 600; cursor: pointer; font-family: inherit;
}
.range-tab.on { border-color: var(--st-processing); color: var(--st-processing); background: rgba(42, 120, 214, 0.08); }

/* ============================================================ 通讯录导入 */
.import-list {
  max-height: 320px; overflow-y: auto;
  border: 1px solid var(--gridline); border-radius: 8px;
  padding: 4px 12px; margin: 10px 0;
}
.import-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 2px; border-bottom: 1px solid var(--gridline); cursor: pointer;
}
.import-item:last-child { border-bottom: none; }
.import-item .import-name { font-weight: 600; }
.import-all { border: none; padding: 8px 2px 2px; }

/* ============================================================ 表格（客服/列表） */
.table-wrap { background: var(--surface); border: 1px solid var(--gridline); border-radius: var(--radius); overflow: hidden; }
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
  text-align: left; font-size: 12px; color: var(--ink-2); font-weight: 700;
  padding: 10px 14px; border-bottom: 1px solid var(--gridline); background: #f4f3ef;
}
.tbl td { padding: 10px 14px; border-bottom: 1px solid var(--gridline); font-size: 13.5px; }
.tbl tr:last-child td { border-bottom: none; }
.tbl .actions { display: flex; gap: 8px; }
.link-btn { background: none; border: none; color: var(--st-processing); cursor: pointer; font-size: 13px; font-family: inherit; padding: 0; }
.link-btn.danger { color: var(--st-unresolved); }

/* ============================================================ Modal 与 toast */
.modal-mask {
  position: fixed; inset: 0; z-index: 90; background: rgba(11, 11, 11, 0.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 60px 20px 20px; overflow-y: auto;
}
.modal {
  background: var(--surface); border-radius: 14px; width: 560px; max-width: 100%;
  box-shadow: var(--shadow-md);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px 0;
}
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close {
  background: none; border: none; font-size: 22px; color: var(--muted);
  cursor: pointer; line-height: 1; padding: 4px;
}
.modal-body { padding: 14px 20px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 0 20px 18px; }
.confirm-text { margin: 0; color: var(--ink-2); }
#toast-root {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 120; display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.toast {
  background: var(--ink); color: #fff; padding: 10px 20px; border-radius: 10px;
  font-size: 14px; opacity: 0; transition: opacity .25s; box-shadow: var(--shadow-md);
  max-width: 80vw;
}
.toast.show { opacity: 1; }
.toast-error { background: var(--st-unresolved); }

/* ============================================================ 设置页 */
.setting-row { display: grid; grid-template-columns: 200px 1fr; gap: 12px; align-items: center; margin-bottom: 12px; }
.setting-row .sl { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.switch { position: relative; display: inline-block; width: 42px; height: 24px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute; inset: 0; background: var(--gridline); border-radius: 999px;
  transition: background .2s; cursor: pointer;
}
.switch .track::before {
  content: ''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; transition: transform .2s; box-shadow: var(--shadow-sm);
}
.switch input:checked + .track { background: var(--st-processing); }
.switch input:checked + .track::before { transform: translateX(18px); }
.settings-note { font-size: 12px; color: var(--muted); margin: -4px 0 14px 212px; }

/* ============================================================ 响应式布局 */
@media (max-width: 1100px) {
  .kanban-board { grid-template-columns: repeat(5, minmax(200px, 1fr)); overflow-x: auto; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-tiles { grid-template-columns: repeat(3, 1fr); }
  .viz-grid { grid-template-columns: 1fr; }
  .add-log-form { grid-template-columns: repeat(3, 1fr); }
}

/* 手机端（企业微信工作台内置浏览器） */
@media (max-width: 760px) {
  body { font-size: 15px; }
  #page { padding: 12px 12px 88px; }

  /* 顶栏：精简为一行（标题 + 身份），导航移到底部 */
  .topbar-inner { height: auto; min-height: 52px; padding: 8px 12px; gap: 10px; flex-wrap: wrap; }
  .brand { font-size: 15px; }
  .chip-label { display: none; }
  .user-area { gap: 6px; margin-left: auto; }
  .user-chip { font-size: 12px; padding: 3px 10px; }
  .btn { padding: 9px 14px; }

  /* 底部导航栏（App 式） */
  #nav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 80;
    background: var(--surface); border-top: 1px solid var(--gridline);
    box-shadow: 0 -2px 8px rgba(11, 11, 11, 0.05);
    display: flex; padding: 5px 4px calc(5px + env(safe-area-inset-bottom));
  }
  .nav-item {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 1px;
    font-size: 11px; padding: 5px 2px; border-radius: 8px;
  }
  .nav-item.active { background: rgba(42, 120, 214, 0.10); }

  .page-title { font-size: 18px; }
  .mobile-hint { display: block !important; }
  .brand-logo { height: 24px; }

  /* 看板：左右滑动，一列一屏（proximity 吸附更顺滑，不跟手抢滚动） */
  .kanban-board {
    display: flex; overflow-x: auto; scroll-snap-type: x proximity;
    gap: 10px; padding-bottom: 10px; -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  .kb-col { flex: 0 0 84vw; scroll-snap-align: start; min-height: 200px; }
  /* 触屏下取消悬浮位移，避免卡顿 */
  .clickable:hover { transform: none; }
  .kb-card:hover { transform: none; }
  .table-wrap, .detail-table-wrap, .import-list { -webkit-overflow-scrolling: touch; }
  .kanban-filter { gap: 8px; padding: 10px; }
  .kanban-filter select, .kanban-filter input[type="text"] { flex: 1 1 42%; min-width: 0; }
  #f-keyword { flex: 1 1 100%; }

  /* 表单与信息网格：单列/双列 */
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span2 { grid-column: span 1; }
  .add-log-form { grid-template-columns: 1fr; }
  .add-log-form .span-all { grid-column: 1; }
  .add-log-form .btn { width: 100%; }
  .info-grid { grid-template-columns: repeat(2, 1fr); gap: 8px 14px; }
  .ticket-no { font-size: 18px; }

  /* 统计页 */
  .stat-tiles { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-num { font-size: 26px; }
  .bar-row { grid-template-columns: 76px 1fr 84px; gap: 8px; font-size: 12px; }
  .donut { width: 148px; height: 148px; }
  .viz-flex { gap: 18px; }

  /* 弹窗、表格、设置 */
  .modal-mask { padding: 12px 10px; }
  .modal { width: 100%; }
  .modal-body { padding: 12px 14px; }
  .table-wrap { overflow-x: auto; }
  .tbl { min-width: 640px; }
  .setting-row { grid-template-columns: 1fr; gap: 4px; }
  .settings-note { margin: -2px 0 14px; }
  .identity-grid { grid-template-columns: repeat(2, 1fr); }
  .import-list { max-height: 46vh; }
  .radio-cards { gap: 6px; }
  .radio-card { padding: 7px 12px; }
}

/* ============================================================ 统计页点击与明细 */
.clickable { cursor: pointer; transition: box-shadow .15s, transform .15s; }
.clickable:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.clickable-row { cursor: pointer; }
.clickable-row:hover { background: rgba(42, 120, 214, 0.05); }
.detail-table-wrap { overflow-x: auto; border: 1px solid var(--gridline); border-radius: 8px; }
.detail-tbl { min-width: 2600px; font-size: 12px; }
.detail-tbl td { vertical-align: top; }
.proc-cell { white-space: pre-wrap; min-width: 320px; max-width: 480px; font-size: 11.5px; color: var(--ink-2); }

/* 默认隐藏（仅手机端显示） */
.mobile-hint { display: none; text-align: center; color: var(--muted); font-size: 12px; margin: -4px 0 10px; }