/* ============================================================================
   客小帮 AI 智慧拓客平台 · 组件库
   设计：浅色商务风 —— 极细边框、极淡阴影、精准字号层级、充足留白
   原则：不用渐变、不用彩色阴影、不用彩色图标底；品牌蓝仅用于交互焦点
   ========================================================================== */

/* ============================================================================
   1. 卡片
   ========================================================================== */
.kx-card {
  background: var(--kx-surface);
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-lg);
  box-shadow: var(--kx-shadow-sm);
  overflow: hidden;
}
.kx-card--hover { transition: box-shadow var(--kx-dur) var(--kx-ease), border-color var(--kx-dur) var(--kx-ease); }
.kx-card--hover:hover { box-shadow: var(--kx-shadow); border-color: var(--kx-border-strong); }
.kx-card--flush .kx-card__body { padding: 0; }

.kx-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kx-sp-3);
  flex-wrap: wrap;
  min-height: 52px;
  padding: 14px var(--kx-sp-5);
  border-bottom: 1px solid var(--kx-border-2);
}
.kx-card__title {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-2);
  margin: 0;
  font-size: var(--kx-fs);
  font-weight: var(--kx-fw-semibold);
  color: var(--kx-text);
  line-height: 1.4;
  min-width: 0;
}
.kx-card__title .kx-icon { font-size: 16px; color: var(--kx-text-3); }
.kx-card__subtitle {
  margin-left: var(--kx-sp-2);
  font-size: var(--kx-fs-xs);
  font-weight: var(--kx-fw-normal);
  color: var(--kx-text-3);
}
/* 允许右侧操作区收缩，避免在窄卡片里越界被裁切 */
.kx-card__extra {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-2);
  flex: 0 1 auto;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}
.kx-card__extra::-webkit-scrollbar { display: none; }
.kx-card__body { padding: var(--kx-sp-5); }
.kx-card__foot {
  padding: 12px var(--kx-sp-5);
  border-top: 1px solid var(--kx-border-2);
  background: var(--kx-surface-2);
}

/* ============================================================================
   2. 页面头
   ========================================================================== */
.kx-page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--kx-sp-4);
  flex-wrap: wrap;
}
.kx-page-head__title {
  margin: 0;
  font-size: var(--kx-fs-2xl);
  font-weight: var(--kx-fw-semibold);
  color: var(--kx-text);
  line-height: 1.3;
  letter-spacing: -.01em;
}
.kx-page-head__desc {
  margin: 6px 0 0;
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-3);
  line-height: 1.5;
}
.kx-page-head__actions { display: flex; align-items: center; gap: var(--kx-sp-2); flex-wrap: wrap; }

/* ============================================================================
   3. 网格
   ========================================================================== */
.kx-grid { display: grid; gap: var(--kx-sp-5); }
.kx-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kx-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kx-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.kx-grid--2-1 { grid-template-columns: 2fr 1fr; }
.kx-grid--1-2 { grid-template-columns: 1fr 2fr; }
.kx-row { display: flex; align-items: center; }
.kx-row--between { display: flex; align-items: center; justify-content: space-between; }
.kx-row--wrap { display: flex; align-items: center; flex-wrap: wrap; }
.kx-col { display: flex; flex-direction: column; }

/* ============================================================================
   4. 按钮
   ========================================================================== */
.kx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-sm);
  background: var(--kx-surface);
  color: var(--kx-text-2);
  font-size: var(--kx-fs-sm);
  font-weight: var(--kx-fw-medium);
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--kx-dur) var(--kx-ease), border-color var(--kx-dur) var(--kx-ease),
              color var(--kx-dur) var(--kx-ease);
}
.kx-btn:hover { background: var(--kx-surface-3); border-color: var(--kx-border-strong); color: var(--kx-text); }
.kx-btn:active { background: var(--kx-border-2); }
.kx-btn:focus-visible { outline: 2px solid var(--kx-primary); outline-offset: 1px; }
.kx-btn .kx-icon { font-size: 15px; }

/* 主按钮：纯色实底，无渐变无阴影 */
.kx-btn--primary {
  background: var(--kx-primary);
  border-color: var(--kx-primary);
  color: #fff;
}
.kx-btn--primary:hover { background: var(--kx-primary-hover); border-color: var(--kx-primary-hover); color: #fff; }
.kx-btn--primary:active { background: var(--kx-primary-active); border-color: var(--kx-primary-active); }

/* 危险按钮 */
.kx-btn--danger { background: var(--kx-danger); border-color: var(--kx-danger); color: #fff; }
.kx-btn--danger:hover { background: #d92d20; border-color: #d92d20; color: #fff; }

/* 文字按钮 */
.kx-btn--text {
  height: auto;
  padding: 4px 6px;
  border-color: transparent;
  background: transparent;
  color: var(--kx-primary);
}
.kx-btn--text:hover { background: var(--kx-primary-soft); border-color: transparent; color: var(--kx-primary-hover); }
.kx-btn--danger-text { height: auto; padding: 4px 6px; border-color: transparent; background: transparent; color: var(--kx-danger); }
.kx-btn--danger-text:hover { background: var(--kx-danger-soft); border-color: transparent; color: #d92d20; }

/* 尺寸 */
.kx-btn--sm { height: 30px; padding: 0 10px; font-size: var(--kx-fs-xs); }
.kx-btn--lg { height: 38px; padding: 0 18px; font-size: var(--kx-fs); }
.kx-btn--block { width: 100%; }
.kx-btn--icon { width: 34px; padding: 0; }
.kx-btn--icon.kx-btn--sm { width: 30px; }

/* 禁用 */
.kx-btn:disabled,
.kx-btn.is-disabled {
  opacity: .5;
  cursor: not-allowed;
  background: var(--kx-surface-3);
  border-color: var(--kx-border);
  color: var(--kx-text-3);
}
.kx-btn--primary:disabled { background: var(--kx-primary); border-color: var(--kx-primary); color: #fff; }

/* ============================================================================
   5. 标签 / 徽标
   ========================================================================== */
.kx-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--kx-radius-xs);
  font-size: var(--kx-fs-xs);
  font-weight: var(--kx-fw-medium);
  line-height: 1;
  white-space: nowrap;
}
.kx-tag--default { background: var(--kx-surface-3); color: var(--kx-text-2); }
.kx-tag--primary { background: var(--kx-primary-soft); color: var(--kx-primary-hover); }
.kx-tag--success { background: var(--kx-success-soft); color: var(--kx-success-text); }
.kx-tag--warning { background: var(--kx-warning-soft); color: var(--kx-warning-text); }
.kx-tag--danger  { background: var(--kx-danger-soft);  color: var(--kx-danger-text); }
.kx-tag--info    { background: var(--kx-info-soft);    color: var(--kx-info-text); }
.kx-tag--violet  { background: var(--kx-violet-soft);  color: var(--kx-violet-text); }
.kx-tag--cyan    { background: var(--kx-cyan-soft);    color: #0e7490; }
.kx-tag--accent  { background: var(--kx-accent-50);    color: var(--kx-accent-deep); }

.kx-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--kx-radius-xs);
  background: var(--kx-surface-3);
  color: var(--kx-text-2);
  font-size: var(--kx-fs-2xs);
  font-weight: var(--kx-fw-medium);
}

/* ============================================================================
   6. 统计卡
   ========================================================================== */
.kx-stat {
  display: flex;
  flex-direction: column;
  gap: var(--kx-sp-3);
  padding: var(--kx-sp-5);
  background: var(--kx-surface);
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-lg);
  box-shadow: var(--kx-shadow-xs);
  transition: box-shadow var(--kx-dur) var(--kx-ease), border-color var(--kx-dur) var(--kx-ease);
}
.kx-stat:hover { box-shadow: var(--kx-shadow); border-color: var(--kx-border-strong); }
.kx-stat__top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--kx-sp-3); }
.kx-stat__label {
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-3);
  line-height: 1.4;
}
/* 图标：浅蓝底 + 蓝色图标，不用渐变与彩色阴影 */
.kx-stat__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--kx-radius);
  background: var(--kx-primary-soft);
  color: var(--kx-primary);
  font-size: 18px;
  flex: none;
}
.kx-stat__icon--accent { background: var(--kx-accent-50); color: var(--kx-accent-deep); }
.kx-stat__icon--info   { background: var(--kx-info-soft); color: var(--kx-info-text); }
.kx-stat__icon--success { background: var(--kx-success-soft); color: var(--kx-success-text); }
.kx-stat__icon--violet { background: var(--kx-violet-soft); color: var(--kx-violet-text); }
.kx-stat__icon--cyan   { background: var(--kx-cyan-soft); color: #0e7490; }
.kx-stat__icon--warning { background: var(--kx-warning-soft); color: var(--kx-warning-text); }
.kx-stat__icon--danger { background: var(--kx-danger-soft); color: var(--kx-danger-text); }

.kx-stat__value {
  font-size: var(--kx-fs-3xl);
  font-weight: var(--kx-fw-semibold);
  color: var(--kx-text);
  line-height: 1.2;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.kx-stat__value small { margin-left: 4px; font-size: var(--kx-fs-sm); font-weight: var(--kx-fw-normal); color: var(--kx-text-3); }
.kx-stat__foot { display: flex; align-items: center; gap: 6px; font-size: var(--kx-fs-xs); color: var(--kx-text-3); }
.kx-stat__delta {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: var(--kx-fs-xs);
  font-weight: var(--kx-fw-medium);
  font-variant-numeric: tabular-nums;
}
.kx-stat__delta.is-up { color: var(--kx-success-text); }
.kx-stat__delta.is-down { color: var(--kx-danger-text); }
.kx-stat__delta.is-flat { color: var(--kx-text-3); }

/* ============================================================================
   7. 表单控件
   ========================================================================== */
.kx-input,
.kx-textarea,
.kx-select {
  width: 100%;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-sm);
  background: var(--kx-surface);
  color: var(--kx-text);
  font-size: var(--kx-fs-sm);
  font-family: inherit;
  line-height: 1.5;
  outline: none;
  transition: border-color var(--kx-dur) var(--kx-ease), box-shadow var(--kx-dur) var(--kx-ease);
}
.kx-textarea { height: auto; min-height: 76px; padding: 8px 10px; resize: vertical; line-height: 1.6; }
.kx-select { padding-right: 28px; cursor: pointer; appearance: none; background-image: none; }
.kx-input::placeholder,
.kx-textarea::placeholder { color: var(--kx-text-4); }
.kx-input:hover,
.kx-textarea:hover,
.kx-select:hover { border-color: var(--kx-border-strong); }
.kx-input:focus,
.kx-textarea:focus,
.kx-select:focus {
  border-color: var(--kx-primary);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, .1);
}
.kx-input:disabled,
.kx-textarea:disabled,
.kx-select:disabled { background: var(--kx-surface-3); color: var(--kx-text-3); cursor: not-allowed; }

.kx-input-wrap { position: relative; display: flex; align-items: center; width: 100%; }
.kx-input-wrap .kx-input { padding-right: 34px; }
.kx-input__suffix {
  position: absolute;
  right: 8px;
  display: inline-flex;
  align-items: center;
  color: var(--kx-text-3);
  cursor: pointer;
}
.kx-input__suffix:hover { color: var(--kx-text-2); }

/* 表单字段 */
.kx-form { width: 100%; }
.kx-form-host { width: 100%; }
.kx-form__item { display: flex; flex-direction: column; gap: 6px; }
.kx-form__label {
  font-size: var(--kx-fs-sm);
  font-weight: var(--kx-fw-medium);
  color: var(--kx-text-2);
  line-height: 1.4;
}
.kx-form__required { margin-left: 2px; color: var(--kx-danger); }
.kx-form__tip { font-size: var(--kx-fs-xs); color: var(--kx-text-3); line-height: 1.5; }
.kx-form__error { font-size: var(--kx-fs-xs); color: var(--kx-danger); line-height: 1.5; }
.kx-form__control { width: 100%; }
.kx-form__item.is-error .kx-input,
.kx-form__item.is-error .kx-textarea,
.kx-form__item.is-error .kx-select { border-color: var(--kx-danger); }
.kx-form__item.is-error .kx-input:focus { box-shadow: 0 0 0 3px rgba(240, 68, 56, .1); }

/* 复选框 / 单选框 */
.kx-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-2);
  cursor: pointer;
}
.kx-checkbox__box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border: 1px solid var(--kx-border-strong);
  border-radius: var(--kx-radius-xs);
  background: var(--kx-surface);
  color: #fff;
  font-size: 11px;
  flex: none;
  transition: all var(--kx-dur-fast) var(--kx-ease);
}
.kx-checkbox:hover .kx-checkbox__box { border-color: var(--kx-primary); }
.kx-checkbox.is-checked .kx-checkbox__box { background: var(--kx-primary); border-color: var(--kx-primary); }
.kx-checkbox.is-indeterminate .kx-checkbox__box { background: var(--kx-primary); border-color: var(--kx-primary); }
.kx-checkbox__label { user-select: none; }
.kx-checkbox-group,
.kx-radio-group { display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; }

/* 开关 */
.kx-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 36px;
  height: 20px;
  border-radius: 999px;
  background: var(--kx-border-strong);
  cursor: pointer;
  flex: none;
  transition: background-color var(--kx-dur) var(--kx-ease);
}
.kx-switch::after {
  content: '';
  position: absolute;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .2);
  transition: transform var(--kx-dur) var(--kx-ease);
}
.kx-switch.is-checked { background: var(--kx-primary); }
.kx-switch.is-checked::after { transform: translateX(16px); }

/* ============================================================================
   8. 头像 / 进度 / 空状态
   ========================================================================== */
.kx-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--kx-primary-soft);
  color: var(--kx-primary);
  font-size: var(--kx-fs-xs);
  font-weight: var(--kx-fw-semibold);
  flex: none;
  object-fit: cover;
}
.kx-avatar--sm { width: 24px; height: 24px; font-size: var(--kx-fs-2xs); }
.kx-avatar--lg { width: 40px; height: 40px; font-size: var(--kx-fs); }

.kx-progress {
  position: relative;
  height: 6px;
  border-radius: 999px;
  background: var(--kx-surface-3);
  overflow: hidden;
}
.kx-progress__bar {
  height: 100%;
  border-radius: 999px;
  background: var(--kx-primary);
  transition: width var(--kx-dur-slow) var(--kx-ease);
}
.kx-progress--success .kx-progress__bar { background: var(--kx-success); }
.kx-progress--warning .kx-progress__bar { background: var(--kx-warning); }
.kx-progress--danger .kx-progress__bar { background: var(--kx-danger); }

.kx-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 48px 20px;
  text-align: center;
}
.kx-empty__icon { font-size: 40px; color: var(--kx-text-4); line-height: 1; }
.kx-empty__text { font-size: var(--kx-fs-sm); color: var(--kx-text-2); }
.kx-empty__desc { font-size: var(--kx-fs-xs); color: var(--kx-text-3); }

.kx-spin {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid var(--kx-border);
  border-top-color: var(--kx-primary);
  border-radius: 50%;
  animation: kx-spin .7s linear infinite;
}

/* ============================================================================
   9. 表格
   ========================================================================== */
.kx-table-host { display: flex; flex-direction: column; min-width: 0; }
.kx-table-wrap {
  background: var(--kx-surface);
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-lg);
  overflow: hidden;
}
.kx-table__scroll { position: relative; overflow: auto; }
.kx-table__scroll--fixed { overflow-y: auto; }
.kx-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-2);
}
.kx-table__cell {
  padding: 11px 16px;
  text-align: left;
  border-bottom: 1px solid var(--kx-border-2);
  background: var(--kx-surface);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.5;
}
.kx-table__thead .kx-table__cell {
  background: var(--kx-surface-2);
  color: var(--kx-text-3);
  font-size: var(--kx-fs-xs);
  font-weight: var(--kx-fw-medium);
  border-bottom: 1px solid var(--kx-border);
  user-select: none;
}
.kx-table__tbody tr:last-child .kx-table__cell { border-bottom: 0; }
.kx-table--fixed .kx-table__thead .kx-table__cell { position: sticky; top: 0; z-index: 4; }

.kx-table__cell--center { text-align: center; padding-left: 8px; padding-right: 8px; }
.kx-table__cell--right { text-align: right; }
.kx-table__cell.is-sortable { cursor: pointer; transition: color var(--kx-dur) var(--kx-ease); }
.kx-table__cell.is-sortable:hover,
.kx-table__cell.is-sorted { color: var(--kx-primary); }
.kx-table__th-inner { display: inline-flex; align-items: center; gap: 4px; }
.kx-table__sorter { display: inline-flex; flex-direction: column; color: var(--kx-text-4); }
.kx-table__sorter .kx-icon { display: block; margin: -2px 0; }
.kx-table__sorter-up.is-on,
.kx-table__sorter-down.is-on { color: var(--kx-primary); }

.kx-table__row { transition: background-color var(--kx-dur-fast) var(--kx-ease); }
.kx-table__row:hover .kx-table__cell { background: var(--kx-surface-2); }
.kx-table__row.is-selected .kx-table__cell { background: var(--kx-primary-soft); }
.kx-table__row.is-fail > .kx-table__cell { background: var(--kx-danger-soft); }

.kx-table__cell--fixed-left,
.kx-table__cell--fixed-right { background: inherit; }
.kx-table__thead .kx-table__cell--fixed-left,
.kx-table__thead .kx-table__cell--fixed-right { background: var(--kx-surface-2); }
.kx-table__row:hover .kx-table__cell--fixed-left,
.kx-table__row:hover .kx-table__cell--fixed-right { background: var(--kx-surface-2); }
.kx-table__cell--fixed-left { box-shadow: 6px 0 8px -6px rgba(16, 24, 40, .08); }
.kx-table__cell--fixed-right { box-shadow: -6px 0 8px -6px rgba(16, 24, 40, .08); }

.kx-table__actions { display: inline-flex; align-items: center; gap: 2px; justify-content: flex-end; }
.kx-table__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 16px;
  border-top: 1px solid var(--kx-border-2);
}
.kx-table__empty { padding: 8px 0; }
.kx-table__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, .7);
  z-index: 6;
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-2);
}
.kx-table__skeleton { display: flex; flex-direction: column; gap: 10px; padding: 16px; }
.kx-skeleton {
  border-radius: var(--kx-radius-xs);
  background: linear-gradient(90deg, var(--kx-surface-3) 25%, var(--kx-surface-2) 37%, var(--kx-surface-3) 63%);
  background-size: 400px 100%;
  animation: kx-shimmer 1.3s ease-in-out infinite;
}
.kx-skeleton--line { height: 12px; }
.kx-skeleton--row { height: 36px; }

/* ============================================================================
   10. 分页
   ========================================================================== */
.kx-pagination {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--kx-fs-xs);
  font-variant-numeric: tabular-nums;
}
.kx-pagination__total { color: var(--kx-text-3); white-space: nowrap; }
.kx-pagination__list { display: inline-flex; align-items: center; gap: 2px; }
.kx-pagination__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  border: 1px solid transparent;
  border-radius: var(--kx-radius-xs);
  background: transparent;
  color: var(--kx-text-2);
  font-size: var(--kx-fs-xs);
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: all var(--kx-dur-fast) var(--kx-ease);
}
.kx-pagination__item:hover:not(:disabled) { background: var(--kx-surface-3); color: var(--kx-text); }
.kx-pagination__item.is-active {
  background: var(--kx-primary-soft);
  border-color: var(--kx-primary-border);
  color: var(--kx-primary);
  font-weight: var(--kx-fw-medium);
}
.kx-pagination__item:disabled { color: var(--kx-text-4); cursor: not-allowed; }
.kx-pagination__ellipsis { padding: 0 4px; color: var(--kx-text-4); }
.kx-pagination__simple { padding: 0 8px; color: var(--kx-text-2); white-space: nowrap; }
.kx-pagination__size {
  height: 28px;
  padding: 0 8px;
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-xs);
  background: var(--kx-surface);
  color: var(--kx-text-2);
  font-size: var(--kx-fs-xs);
  cursor: pointer;
}
.kx-pagination__size:hover { border-color: var(--kx-border-strong); }

/* ============================================================================
   11. 弹窗
   ========================================================================== */
.kx-modal-mask {
  position: fixed;
  inset: 0;
  z-index: var(--kx-z-modal);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 8vh 20px 40px;
  overflow-y: auto;
  background: rgba(17, 24, 39, .45);
  animation: kx-fade-in var(--kx-dur) var(--kx-ease) both;
}
.kx-modal {
  width: 100%;
  max-width: 560px;
  background: var(--kx-surface);
  border-radius: var(--kx-radius-lg);
  box-shadow: var(--kx-shadow-lg);
  animation: kx-rise-in var(--kx-dur-slow) var(--kx-ease) both;
  display: flex;
  flex-direction: column;
  max-height: 84vh;
  margin: auto 0;
}
.kx-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px 12px;
  flex: none;
}
.kx-modal__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: var(--kx-fs-lg);
  font-weight: var(--kx-fw-semibold);
  color: var(--kx-text);
  line-height: 1.4;
}
.kx-modal__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--kx-radius-xs);
  color: var(--kx-text-3);
  font-size: 16px;
  flex: none;
  transition: background-color var(--kx-dur-fast) var(--kx-ease), color var(--kx-dur-fast) var(--kx-ease);
}
.kx-modal__close:hover { background: var(--kx-surface-3); color: var(--kx-text); }
.kx-modal__body {
  padding: 4px 24px 20px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}
.kx-modal__foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--kx-border-2);
  flex: none;
}
.kx-modal__footer-inner { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.kx-confirm__text { font-size: var(--kx-fs); color: var(--kx-text-2); line-height: 1.7; }

/* ============================================================================
   12. 抽屉
   ========================================================================== */
.kx-drawer-mask {
  position: fixed;
  inset: 0;
  z-index: var(--kx-z-modal);
  background: rgba(17, 24, 39, .45);
  animation: kx-fade-in var(--kx-dur) var(--kx-ease) both;
}
.kx-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  z-index: calc(var(--kx-z-modal) + 1);
  display: flex;
  flex-direction: column;
  width: 520px;
  max-width: 92vw;
  background: var(--kx-surface);
  box-shadow: var(--kx-shadow-lg);
}
.kx-drawer--right { right: 0; animation: kx-slide-left var(--kx-dur-slow) var(--kx-ease) both; }
.kx-drawer--left { left: 0; animation: kx-slide-right var(--kx-dur-slow) var(--kx-ease) both; }
.kx-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--kx-border-2);
  flex: none;
}
.kx-drawer__title {
  margin: 0;
  font-size: var(--kx-fs-lg);
  font-weight: var(--kx-fw-semibold);
  color: var(--kx-text);
}
.kx-drawer__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--kx-radius-xs);
  color: var(--kx-text-3);
  font-size: 16px;
  transition: background-color var(--kx-dur-fast) var(--kx-ease), color var(--kx-dur-fast) var(--kx-ease);
}
.kx-drawer__close:hover { background: var(--kx-surface-3); color: var(--kx-text); }
.kx-drawer__body { flex: 1; min-height: 0; overflow-y: auto; padding: 20px 24px; }
.kx-drawer__foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--kx-border-2);
  flex: none;
}
.kx-drawer__footer-inner { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }

/* ============================================================================
   13. 轻提示
   ========================================================================== */
.kx-toast-root {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--kx-z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.kx-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 200px;
  max-width: 480px;
  padding: 10px 16px;
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius);
  background: var(--kx-surface);
  box-shadow: var(--kx-shadow-md);
  font-size: var(--kx-fs-sm);
  color: var(--kx-text);
  pointer-events: auto;
  animation: kx-fade-down var(--kx-dur) var(--kx-ease) both;
}
.kx-toast__icon { display: inline-flex; font-size: 16px; flex: none; }
.kx-toast__text { flex: 1; line-height: 1.5; word-break: break-word; }
.kx-toast--success .kx-toast__icon { color: var(--kx-success); }
.kx-toast--error .kx-toast__icon { color: var(--kx-danger); }
.kx-toast--warning .kx-toast__icon { color: var(--kx-warning); }
.kx-toast--info .kx-toast__icon { color: var(--kx-primary); }
.kx-toast.is-leaving { animation: kx-fade-in var(--kx-dur) var(--kx-ease) reverse both; }

/* ============================================================================
   14. 树
   ========================================================================== */
.kx-tree { display: flex; flex-direction: column; gap: 1px; font-size: var(--kx-fs-sm); }
.kx-tree__node { display: flex; flex-direction: column; }
.kx-tree__item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 4px 8px;
  border-radius: var(--kx-radius-xs);
  color: var(--kx-text-2);
  cursor: pointer;
  transition: background-color var(--kx-dur-fast) var(--kx-ease), color var(--kx-dur-fast) var(--kx-ease);
}
.kx-tree__item:hover { background: var(--kx-surface-3); }
.kx-tree__item.is-active { background: var(--kx-primary-soft); color: var(--kx-primary); font-weight: var(--kx-fw-medium); }
.kx-tree__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  flex: none;
  color: var(--kx-text-4);
  transition: transform var(--kx-dur-fast) var(--kx-ease);
}
.kx-tree__arrow.is-open { transform: rotate(90deg); }
.kx-tree__label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kx-tree__children { padding-left: 18px; display: flex; flex-direction: column; gap: 1px; }
.kx-tree__empty { padding: 20px; text-align: center; color: var(--kx-text-3); font-size: var(--kx-fs-xs); }
.kx-tree-select__panel {
  position: absolute;
  z-index: var(--kx-z-dropdown);
  min-width: 100%;
  max-height: 260px;
  overflow: auto;
  margin-top: 4px;
  padding: 4px;
  background: var(--kx-surface);
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius);
  box-shadow: var(--kx-shadow-md);
}

/* ============================================================================
   15. 步骤条
   ========================================================================== */
.kx-steps { display: flex; width: 100%; }
.kx-steps__item { display: flex; flex: 1; min-width: 0; align-items: flex-start; }
.kx-steps__head { display: flex; align-items: center; gap: 8px; flex: none; }
.kx-steps__indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--kx-surface-3);
  color: var(--kx-text-3);
  font-size: var(--kx-fs-xs);
  font-weight: var(--kx-fw-medium);
  flex: none;
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-steps__number { line-height: 1; }
.kx-steps__item.is-active .kx-steps__indicator { background: var(--kx-primary); color: #fff; }
.kx-steps__item.is-done .kx-steps__indicator { background: var(--kx-success-soft); color: var(--kx-success-text); }
.kx-steps__body { display: flex; flex-direction: column; gap: 2px; padding-top: 2px; min-width: 0; }
.kx-steps__title { font-size: var(--kx-fs-sm); font-weight: var(--kx-fw-medium); color: var(--kx-text-2); white-space: nowrap; }
.kx-steps__item.is-active .kx-steps__title { color: var(--kx-text); }
.kx-steps__desc { font-size: var(--kx-fs-xs); color: var(--kx-text-3); }
.kx-steps__line {
  flex: 1;
  height: 1px;
  min-width: 20px;
  margin: 12px 12px 0;
  background: var(--kx-border);
}
.kx-steps--vertical { flex-direction: column; gap: 16px; }
.kx-steps--vertical .kx-steps__item { flex-direction: column; }
.kx-steps--vertical .kx-steps__line { width: 1px; height: 20px; margin: 8px 0 0 11px; flex: none; }

/* ============================================================================
   16. 标签页
   ========================================================================== */
.kx-tabs { display: flex; flex-direction: column; gap: var(--kx-sp-5); }
.kx-tabs__nav {
  display: flex;
  align-items: center;
  gap: 2px;
  border-bottom: 1px solid var(--kx-border);
  padding-bottom: 0;
}
.kx-tabs__item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  color: var(--kx-text-3);
  font-size: var(--kx-fs-sm);
  font-weight: var(--kx-fw-medium);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--kx-dur) var(--kx-ease), border-color var(--kx-dur) var(--kx-ease);
}
.kx-tabs__item:hover { color: var(--kx-text-2); }
.kx-tabs__item.is-active { color: var(--kx-primary); border-bottom-color: var(--kx-primary); }
.kx-tabs__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--kx-radius-xs);
  background: var(--kx-surface-3);
  color: var(--kx-text-3);
  font-size: 10px;
  font-weight: var(--kx-fw-medium);
}
.kx-tabs__item.is-active .kx-tabs__badge { background: var(--kx-primary-soft); color: var(--kx-primary); }
.kx-tabs__panel { min-height: 0; }

/* ============================================================================
   17. 上传
   ========================================================================== */
.kx-upload__btn { display: inline-flex; cursor: pointer; }
.kx-upload__text { font-size: var(--kx-fs-xs); color: var(--kx-text-3); }
.kx-upload-field { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.kx-upload-field__btn { display: inline-flex; }
.kx-upload-list { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.kx-upload-list__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-sm);
  background: var(--kx-surface-2);
  font-size: var(--kx-fs-xs);
  color: var(--kx-text-2);
}
.kx-upload-list__item > span:nth-child(2) { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kx-upload-list__remove { display: inline-flex; color: var(--kx-text-3); cursor: pointer; }
.kx-upload-list__remove:hover { color: var(--kx-danger); }
.kx-upload__input { display: none; }

/* ============================================================================
   18. 时间线
   ========================================================================== */
.kx-timeline { display: flex; flex-direction: column; }
.kx-timeline__item {
  position: relative;
  display: flex;
  gap: 12px;
  padding-bottom: 16px;
}
.kx-timeline__item:last-child { padding-bottom: 0; }
.kx-timeline__item::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 14px;
  bottom: 0;
  width: 1px;
  background: var(--kx-border);
}
.kx-timeline__item:last-child::before { display: none; }
.kx-timeline__dot {
  position: relative;
  z-index: 1;
  width: 7px;
  height: 7px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--kx-border-strong);
  flex: none;
}
.kx-timeline__dot--accent { background: var(--kx-primary); }
.kx-timeline__dot--info { background: var(--kx-info); }
.kx-timeline__dot--success { background: var(--kx-success); }
.kx-timeline__dot--danger { background: var(--kx-danger); }
.kx-timeline__content { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.kx-timeline__title { font-size: var(--kx-fs-sm); font-weight: var(--kx-fw-medium); color: var(--kx-text); }
.kx-timeline__desc { font-size: var(--kx-fs-xs); color: var(--kx-text-3); line-height: 1.6; }
.kx-timeline__time { font-size: var(--kx-fs-xs); color: var(--kx-text-4); white-space: nowrap; }

/* ============================================================================
   19. 工具类
   ========================================================================== */
.kx-ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kx-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kx-strong { font-weight: var(--kx-fw-semibold); }
.kx-num { font-variant-numeric: tabular-nums; }
.kx-mono { font-family: var(--kx-font-mono); font-size: var(--kx-fs-xs); }
.kx-text-2 { color: var(--kx-text-2); }
.kx-text-3 { color: var(--kx-text-3); }
.kx-text-4 { color: var(--kx-text-4); }
.kx-text-primary { color: var(--kx-primary); }
.kx-text-success { color: var(--kx-success-text); }
.kx-text-danger { color: var(--kx-danger-text); }
.kx-text-warning { color: var(--kx-warning-text); }
.kx-up { color: var(--kx-success-text); }
.kx-down { color: var(--kx-danger-text); }
.kx-text-xs { font-size: var(--kx-fs-xs); }
.kx-text-sm { font-size: var(--kx-fs-sm); }
.kx-text-lg { font-size: var(--kx-fs-lg); }
.kx-hide { display: none !important; }
.kx-gap-1 { gap: 4px; }
.kx-gap-2 { gap: 8px; }
.kx-gap-3 { gap: 12px; }
.kx-gap-4 { gap: 16px; }
.kx-gap-5 { gap: 20px; }
.kx-gap-6 { gap: 24px; }
.kx-scroll-y { overflow-y: auto; }