/* ============================================================================
   客小帮 AI 智慧拓客平台 · 组件库样式
   所有交互元素均具备 hover / active / focus-visible / disabled 四态
   ========================================================================== */

.kx-spin { animation: kx-spin .9s linear infinite; }

/* ============================================================================
   1. 按钮
   ========================================================================== */
.kx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--kx-sp-2);
  height: 36px;
  padding: 0 var(--kx-sp-4);
  border-radius: var(--kx-radius);
  border: 1px solid transparent;
  font-size: var(--kx-fs);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--kx-dur) var(--kx-ease);
  user-select: none;
}

.kx-btn .kx-icon { font-size: 16px; }

/* 主按钮 */
.kx-btn--primary {
  background: var(--kx-gradient-primary);
  color: #fff;
  box-shadow: var(--kx-shadow-primary);
}
.kx-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(200, 16, 46, .3);
  filter: brightness(1.04);
}
.kx-btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(200, 16, 46, .28);
}

/* 次按钮 */
.kx-btn--default {
  background: var(--kx-surface);
  color: var(--kx-text-2);
  border-color: var(--kx-border);
  box-shadow: var(--kx-shadow-xs);
}
.kx-btn--default:hover {
  color: var(--kx-primary);
  border-color: var(--kx-primary-200);
  background: var(--kx-primary-50);
  transform: translateY(-1px);
  box-shadow: var(--kx-shadow-sm);
}
.kx-btn--default:active { transform: translateY(0); }

/* 文字按钮 */
.kx-btn--text {
  background: transparent;
  color: var(--kx-text-2);
  padding: 0 var(--kx-sp-2);
  height: 30px;
}
.kx-btn--text:hover {
  color: var(--kx-primary);
  background: var(--kx-primary-50);
}
.kx-btn--text:active { background: var(--kx-primary-100); }

/* 危险按钮 */
.kx-btn--danger {
  background: linear-gradient(135deg, #f53f3f 0%, #e0344f 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(245, 63, 63, .24);
}
.kx-btn--danger:hover { transform: translateY(-1px); filter: brightness(1.04); }

/* 金色按钮（用于 VIP / 商业化场景） */
.kx-btn--gold {
  background: var(--kx-gradient-gold);
  color: #4a3608;
  box-shadow: var(--kx-shadow-gold);
}
.kx-btn--gold:hover { transform: translateY(-1px); filter: brightness(1.05); }

/* 幽灵 / 描边按钮 */
.kx-btn--ghost {
  background: transparent;
  color: var(--kx-primary);
  border-color: var(--kx-primary-200);
}
.kx-btn--ghost:hover { background: var(--kx-primary-50); transform: translateY(-1px); }

/* 带颜色的文字按钮（表格操作列） */
.kx-btn--danger-text { color: var(--kx-danger); }
.kx-btn--danger-text:hover { color: var(--kx-danger); background: var(--kx-danger-bg); }
.kx-btn--primary-text { color: var(--kx-primary); }
.kx-btn--success-text { color: var(--kx-success); }

/* 尺寸 */
.kx-btn--sm { height: 30px; padding: 0 var(--kx-sp-3); font-size: var(--kx-fs-sm); border-radius: var(--kx-radius-sm); }
.kx-btn--lg { height: 44px; padding: 0 var(--kx-sp-6); font-size: var(--kx-fs-lg); }
.kx-btn--block { width: 100%; }
.kx-btn--icon { width: 34px; height: 34px; padding: 0; border-radius: var(--kx-radius); }
.kx-btn--round { border-radius: var(--kx-radius-full); }

/* 状态 */
.kx-btn:disabled,
.kx-btn.is-disabled {
  opacity: .4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
  filter: none !important;
}
.kx-btn.is-loading { pointer-events: none; opacity: .8; }
.kx-btn.is-loading .kx-icon { animation: kx-spin .9s linear infinite; }

/* ============================================================================
   2. 标签 / 胶囊
   ========================================================================== */
.kx-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 10px;
  border-radius: var(--kx-radius-full);
  font-size: var(--kx-fs-xs);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  background: var(--kx-border-2);
  color: var(--kx-text-2);
  border: 1px solid transparent;
}
.kx-tag--default { background: var(--kx-border-2); color: var(--kx-text-2); }
.kx-tag--primary { background: var(--kx-primary-100); color: var(--kx-primary-dark); }
.kx-tag--success { background: var(--kx-success-bg); color: #00891f; }
.kx-tag--warning { background: var(--kx-warning-bg); color: #c15d00; }
.kx-tag--danger  { background: var(--kx-danger-bg);  color: #cb2634; }
.kx-tag--info    { background: var(--kx-info-bg);    color: #0e42d2; }
.kx-tag--violet  { background: var(--kx-violet-bg);  color: #5c1faf; }
.kx-tag--cyan    { background: var(--kx-cyan-bg);    color: #0a9c99; }
.kx-tag--gold    { background: var(--kx-gold-50);    color: var(--kx-gold-deep); }
.kx-tag--dot::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.kx-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--kx-radius-full);
  background: var(--kx-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}

/* ============================================================================
   3. 卡片
   ========================================================================== */
.kx-card {
  background: var(--kx-surface);
  border-radius: var(--kx-radius-lg);
  box-shadow: var(--kx-shadow-sm);
  border: 1px solid var(--kx-border-2);
  overflow: hidden;
  transition: box-shadow var(--kx-dur) var(--kx-ease), transform var(--kx-dur) var(--kx-ease);
}
.kx-card--hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--kx-shadow);
}
.kx-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kx-sp-3);
  padding: var(--kx-sp-4) 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);
  font-size: var(--kx-fs-md);
  font-weight: 600;
  color: var(--kx-text);
}
.kx-card__title .kx-icon { color: var(--kx-primary); font-size: 18px; }
.kx-card__subtitle {
  font-size: var(--kx-fs-xs);
  color: var(--kx-text-3);
  font-weight: 400;
}
.kx-card__extra { display: flex; align-items: center; gap: var(--kx-sp-2); }
.kx-card__body { padding: var(--kx-sp-5); }
.kx-card__body--flush { padding: 0; }

/* ============================================================================
   4. 表单基础控件
   ========================================================================== */
.kx-input,
.kx-textarea {
  width: 100%;
  height: 36px;
  padding: 0 var(--kx-sp-3);
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius);
  background: var(--kx-surface);
  color: var(--kx-text);
  font-size: var(--kx-fs);
  transition: border-color var(--kx-dur) var(--kx-ease), box-shadow var(--kx-dur) var(--kx-ease), background var(--kx-dur) var(--kx-ease);
  outline: none;
}
.kx-textarea {
  height: auto;
  padding: var(--kx-sp-2) var(--kx-sp-3);
  line-height: 1.6;
  resize: vertical;
  min-height: 78px;
}
.kx-textarea--code {
  font-family: var(--kx-font-mono);
  font-size: var(--kx-fs-sm);
  line-height: 1.7;
}
.kx-input::placeholder,
.kx-textarea::placeholder { color: var(--kx-text-4); }
.kx-input:hover,
.kx-textarea:hover { border-color: #d0d3d9; }
.kx-input:focus,
.kx-textarea:focus {
  border-color: var(--kx-primary);
  box-shadow: 0 0 0 3px var(--kx-primary-100);
}
.kx-input:disabled,
.kx-textarea:disabled {
  background: var(--kx-surface-2);
  color: var(--kx-text-3);
  cursor: not-allowed;
}
.kx-input[readonly] { cursor: pointer; }

.kx-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}
.kx-input-wrap .kx-input { padding-right: 38px; }
.kx-input-wrap .kx-input--prefix { padding-left: 34px; padding-right: 12px; }
.kx-input__suffix {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--kx-radius-sm);
  color: var(--kx-text-3);
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-input__suffix.is-clickable { cursor: pointer; }
.kx-input__suffix.is-clickable:hover { color: var(--kx-primary); background: var(--kx-primary-50); }
.kx-color__picker {
  width: 22px; height: 22px;
  padding: 0;
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-sm);
  background: none;
  cursor: pointer;
}

/* 表单布局 */
.kx-form { display: block; }
.kx-form--grid {
  display: grid;
  gap: var(--kx-sp-4) var(--kx-sp-5);
}
.kx-form__item { min-width: 0; }
.kx-form__item--span-2 { grid-column: span 2; }
.kx-form__item--span-3 { grid-column: span 3; }
.kx-form__item--span-4 { grid-column: span 4; }
.kx-form__item--span-full { grid-column: 1 / -1; }
.kx-form__label {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 6px;
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-2);
  font-weight: 500;
}
.kx-form__required { color: var(--kx-danger); line-height: 1; }
.kx-form__control { position: relative; }
.kx-form__tip { margin-top: 4px; font-size: var(--kx-fs-xs); color: var(--kx-text-3); }
.kx-form__error {
  display: none;
  margin-top: 4px;
  font-size: var(--kx-fs-xs);
  color: var(--kx-danger);
}
.kx-form__item.is-error .kx-form__error { display: block; }
.kx-form__item.is-error .kx-input,
.kx-form__item.is-error .kx-textarea,
.kx-form__item.is-error .kx-select__control,
.kx-form__item.is-error .kx-datepicker__control { border-color: var(--kx-danger); }
.kx-form__static {
  min-height: 36px;
  display: flex;
  align-items: center;
  font-size: var(--kx-fs);
  color: var(--kx-text);
}

/* 单选 / 多选 / 开关 */
.kx-radio-group,
.kx-checkbox-group { display: flex; flex-wrap: wrap; gap: var(--kx-sp-2) var(--kx-sp-5); }
.kx-radio,
.kx-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--kx-fs);
  color: var(--kx-text-2);
  cursor: pointer;
  user-select: none;
  transition: color var(--kx-dur) var(--kx-ease);
}
.kx-radio input,
.kx-checkbox input { position: absolute; opacity: 0; width: 0; height: 0; }
.kx-radio__dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1px solid var(--kx-text-4);
  background: var(--kx-surface);
  position: relative;
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-radio:hover .kx-radio__dot { border-color: var(--kx-primary); }
.kx-radio.is-checked .kx-radio__dot {
  border-color: var(--kx-primary);
  border-width: 5px;
  box-shadow: 0 0 0 2px var(--kx-primary-100);
}
.kx-radio.is-checked .kx-radio__label { color: var(--kx-text); }
.kx-checkbox__box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  border-radius: 4px;
  border: 1px solid var(--kx-text-4);
  background: var(--kx-surface);
  color: transparent;
  transition: all var(--kx-dur) 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);
  color: #fff;
}
.kx-checkbox.is-checked .kx-checkbox__label { color: var(--kx-text); }
.kx-radio.is-disabled,
.kx-checkbox.is-disabled { opacity: .5; cursor: not-allowed; }

.kx-switch-wrap { display: inline-flex; align-items: center; gap: var(--kx-sp-2); min-height: 36px; }
.kx-switch {
  display: inline-block;
  width: 40px; height: 22px;
  border-radius: var(--kx-radius-full);
  background: var(--kx-text-4);
  position: relative;
  cursor: pointer;
  transition: background var(--kx-dur) var(--kx-ease);
  flex: none;
}
.kx-switch::after {
  content: '';
  position: absolute;
  left: 2px; top: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--kx-shadow-xs);
  transition: transform var(--kx-dur) var(--kx-ease);
}
.kx-switch:hover { background: #b6bac2; }
.kx-switch.is-checked { background: var(--kx-gradient-primary); }
.kx-switch.is-checked::after { transform: translateX(18px); }
.kx-switch.is-disabled { opacity: .5; cursor: not-allowed; }
.kx-switch__label { font-size: var(--kx-fs-sm); color: var(--kx-text-3); }

/* ============================================================================
   5. 下拉选择
   ========================================================================== */
.kx-select { position: relative; width: 100%; }
.kx-select__control {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-2);
  min-height: 36px;
  padding: 4px 34px 4px var(--kx-sp-3);
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius);
  background: var(--kx-surface);
  cursor: pointer;
  transition: all var(--kx-dur) var(--kx-ease);
  position: relative;
}
.kx-select__control:hover { border-color: #d0d3d9; }
.kx-select.is-open .kx-select__control {
  border-color: var(--kx-primary);
  box-shadow: 0 0 0 3px var(--kx-primary-100);
}
.kx-select.is-disabled .kx-select__control {
  background: var(--kx-surface-2);
  cursor: not-allowed;
  opacity: .7;
}
.kx-select__value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--kx-fs);
  color: var(--kx-text);
}
.kx-select__value.is-placeholder { color: var(--kx-text-4); }
.kx-select__tags { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; min-width: 0; }
.kx-select__tag {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  height: 22px;
  padding: 0 4px 0 8px;
  border-radius: var(--kx-radius-sm);
  background: var(--kx-primary-50);
  color: var(--kx-primary-dark);
  font-size: var(--kx-fs-xs);
}
.kx-select__tag-close {
  display: inline-flex;
  cursor: pointer;
  border-radius: 50%;
  padding: 1px;
  transition: background var(--kx-dur) var(--kx-ease);
}
.kx-select__tag-close:hover { background: var(--kx-primary-200); }
.kx-select__actions {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--kx-text-3);
}
.kx-select__clear { display: inline-flex; cursor: pointer; opacity: 0; transition: opacity var(--kx-dur) var(--kx-ease); }
.kx-select__control:hover .kx-select__clear { opacity: 1; }
.kx-select__clear:hover { color: var(--kx-danger); }
.kx-select__arrow { display: inline-flex; transition: transform var(--kx-dur) var(--kx-ease); }
.kx-select.is-open .kx-select__arrow { transform: rotate(180deg); }
.kx-select__panel {
  position: absolute;
  z-index: var(--kx-z-dropdown);
  left: 0; right: 0; top: calc(100% + 6px);
  background: var(--kx-surface);
  border: 1px solid var(--kx-border-2);
  border-radius: var(--kx-radius);
  box-shadow: var(--kx-shadow);
  padding: 6px;
  animation: kx-fade-down var(--kx-dur) var(--kx-ease) both;
  max-height: 300px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.kx-select__panel:empty { display: none; }
.kx-select__search-wrap { padding: 2px 2px 6px; }
.kx-select__search {
  width: 100%;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-sm);
  background: var(--kx-surface-2);
  outline: none;
  font-size: var(--kx-fs-sm);
}
.kx-select__search:focus { border-color: var(--kx-primary); background: var(--kx-surface); }
.kx-select__list { overflow-y: auto; max-height: 240px; }
.kx-select__option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kx-sp-2);
  height: 34px;
  padding: 0 var(--kx-sp-2);
  border-radius: var(--kx-radius-sm);
  font-size: var(--kx-fs);
  color: var(--kx-text-2);
  cursor: pointer;
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-select__option:hover { background: var(--kx-primary-50); color: var(--kx-primary); }
.kx-select__option.is-selected { color: var(--kx-primary); font-weight: 500; background: var(--kx-primary-50); }
.kx-select__option.is-disabled { opacity: .4; cursor: not-allowed; }
.kx-select__option-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kx-select__empty { padding: var(--kx-sp-4); text-align: center; color: var(--kx-text-3); font-size: var(--kx-fs-sm); }

/* ============================================================================
   6. 日期选择器
   ========================================================================== */
.kx-datepicker { position: relative; width: 100%; }
.kx-datepicker__control {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-2);
  height: 36px;
  padding: 0 var(--kx-sp-3);
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius);
  background: var(--kx-surface);
  cursor: pointer;
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-datepicker__control:hover { border-color: #d0d3d9; }
.kx-datepicker.is-open .kx-datepicker__control {
  border-color: var(--kx-primary);
  box-shadow: 0 0 0 3px var(--kx-primary-100);
}
.kx-datepicker__prefix,
.kx-datepicker__suffix { display: inline-flex; color: var(--kx-text-3); }
.kx-datepicker__input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-size: var(--kx-fs);
  color: var(--kx-text);
  cursor: pointer;
}
.kx-datepicker__input::placeholder { color: var(--kx-text-4); }
.kx-datepicker__panel {
  position: absolute;
  z-index: var(--kx-z-dropdown);
  top: calc(100% + 6px);
  left: 0;
  width: 292px;
  padding: var(--kx-sp-3);
  background: var(--kx-surface);
  border: 1px solid var(--kx-border-2);
  border-radius: var(--kx-radius);
  box-shadow: var(--kx-shadow);
  animation: kx-fade-down var(--kx-dur) var(--kx-ease) both;
}
.kx-datepicker__panel:empty { display: none; }
.kx-datepicker__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--kx-sp-2);
}
.kx-datepicker__nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: var(--kx-radius-sm);
  color: var(--kx-text-3);
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-datepicker__nav:hover { color: var(--kx-primary); background: var(--kx-primary-50); }
.kx-datepicker__label { font-size: var(--kx-fs); font-weight: 600; }
.kx-datepicker__week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-bottom: 4px;
}
.kx-datepicker__week span {
  text-align: center;
  font-size: var(--kx-fs-xs);
  color: var(--kx-text-3);
  line-height: 26px;
}
.kx-datepicker__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.kx-datepicker__cell {
  height: 30px;
  border-radius: var(--kx-radius-sm);
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-2);
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-datepicker__cell:hover { background: var(--kx-primary-50); color: var(--kx-primary); }
.kx-datepicker__cell.is-outside { color: var(--kx-text-4); }
.kx-datepicker__cell.is-today { color: var(--kx-primary); font-weight: 600; }
.kx-datepicker__cell.is-in-range { background: var(--kx-primary-50); }
.kx-datepicker__cell.is-selected {
  background: var(--kx-gradient-primary);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--kx-shadow-primary);
}
.kx-datepicker__footer {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-2);
  margin-top: var(--kx-sp-2);
  padding-top: var(--kx-sp-2);
  border-top: 1px solid var(--kx-border-2);
}
.kx-datepicker__footer .kx-btn--text { margin-left: auto; }
.kx-datepicker__footer .kx-btn--text:first-of-type { margin-left: 0; }
.kx-datepicker__time {
  height: 28px;
  border: 1px solid var(--kx-border);
  border-radius: var(--kx-radius-sm);
  background: var(--kx-surface);
  font-size: var(--kx-fs-xs);
  padding: 0 4px;
  outline: none;
}

/* ============================================================================
   7. 树 / 树选择
   ========================================================================== */
.kx-tree { font-size: var(--kx-fs); }
.kx-tree__node {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding-right: var(--kx-sp-3);
  border-radius: var(--kx-radius-sm);
  cursor: pointer;
  color: var(--kx-text-2);
  transition: background var(--kx-dur) var(--kx-ease), color var(--kx-dur) var(--kx-ease);
}
.kx-tree__node:hover { background: var(--kx-primary-50); color: var(--kx-primary); }
.kx-tree__node.is-selected { background: var(--kx-primary-100); color: var(--kx-primary-dark); font-weight: 500; }
.kx-tree__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  color: var(--kx-text-3);
  transition: transform var(--kx-dur) var(--kx-ease);
  flex: none;
}
.kx-tree__arrow.is-expanded { transform: rotate(90deg); }
.kx-tree__arrow.is-empty { visibility: hidden; }
.kx-tree__checkbox {
  width: 16px; height: 16px;
  border-radius: 4px;
  border: 1px solid var(--kx-text-4);
  background: var(--kx-surface);
  position: relative;
  flex: none;
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-tree__checkbox:hover { border-color: var(--kx-primary); }
.kx-tree__checkbox.is-checked {
  background: var(--kx-primary);
  border-color: var(--kx-primary);
}
.kx-tree__checkbox.is-checked::after {
  content: '';
  position: absolute;
  left: 5px; top: 2px;
  width: 4px; height: 8px;
  border: 1.6px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(42deg);
}
.kx-tree__checkbox.is-indeterminate {
  background: var(--kx-primary);
  border-color: var(--kx-primary);
}
.kx-tree__checkbox.is-indeterminate::after {
  content: '';
  position: absolute;
  left: 3px; top: 6px;
  width: 8px; height: 2px;
  background: #fff;
  border-radius: 1px;
}
.kx-tree__label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kx-tree__empty { padding: var(--kx-sp-6); text-align: center; color: var(--kx-text-3); font-size: var(--kx-fs-sm); }
.kx-tree-select { cursor: pointer; }
.kx-tree-select__panel {
  display: none;
  position: absolute;
  z-index: var(--kx-z-dropdown);
  top: calc(100% + 6px);
  left: 0; right: 0;
  max-height: 300px;
  overflow-y: auto;
  padding: var(--kx-sp-2);
  background: var(--kx-surface);
  border: 1px solid var(--kx-border-2);
  border-radius: var(--kx-radius);
  box-shadow: var(--kx-shadow);
}
.kx-tree-select.is-open .kx-tree-select__panel { display: block; animation: kx-fade-down var(--kx-dur) var(--kx-ease) both; }

/* ============================================================================
   8. 上传
   ========================================================================== */
.kx-upload__input { display: none; }
.kx-upload__btn .kx-upload__progress { font-size: var(--kx-fs-xs); color: var(--kx-text-3); }
.kx-upload-field { display: flex; flex-direction: column; gap: var(--kx-sp-2); align-items: flex-start; }
.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: 6px;
  padding: 6px 10px;
  border-radius: var(--kx-radius-sm);
  background: var(--kx-surface-2);
  border: 1px solid var(--kx-border-2);
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-2);
}
.kx-upload-list__item .kx-icon { color: var(--kx-text-3); }
.kx-upload-list__item span:nth-child(2) { flex: 1; min-width: 0; }
.kx-upload-list__remove { display: inline-flex; cursor: pointer; color: var(--kx-text-3); }
.kx-upload-list__remove:hover { color: var(--kx-danger); }

/* ============================================================================
   9. 表格
   ========================================================================== */
.kx-table-host { display: flex; flex-direction: column; min-width: 0; }
.kx-table-wrap {
  background: var(--kx-surface);
  border-radius: var(--kx-radius-lg);
  border: 1px solid var(--kx-border-2);
  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;
}
.kx-table__cell {
  padding: 11px var(--kx-sp-4);
  text-align: left;
  font-size: var(--kx-fs);
  color: var(--kx-text-2);
  border-bottom: 1px solid var(--kx-border-2);
  background: var(--kx-surface);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kx-table__thead .kx-table__cell {
  background: var(--kx-surface-2);
  color: var(--kx-text-2);
  font-weight: 600;
  font-size: var(--kx-fs-sm);
  white-space: nowrap;
  user-select: none;
}
.kx-table--fixed .kx-table__thead .kx-table__cell { position: sticky; top: 0; z-index: 4; }
.kx-table__th-inner { display: inline-flex; align-items: center; gap: 4px; }
.kx-table__cell--center { text-align: center; }
.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 { color: var(--kx-primary); }
.kx-table__cell.is-sorted { color: var(--kx-primary); }
.kx-table__sorter { display: inline-flex; flex-direction: column; margin-left: 2px; 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 var(--kx-dur) var(--kx-ease); }
.kx-table__row:hover .kx-table__cell { background: var(--kx-primary-50); }
.kx-table__row.is-selected .kx-table__cell { background: var(--kx-primary-50); }
.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-primary-50); }
.kx-table__cell--fixed-left {
  box-shadow: 2px 0 6px -4px rgba(29, 33, 41, .18);
}
.kx-table__cell--fixed-right {
  box-shadow: -2px 0 6px -4px rgba(29, 33, 41, .18);
}
.kx-table__actions { display: inline-flex; align-items: center; gap: 2px; justify-content: flex-end; }
.kx-table__checkbox {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  border-radius: 4px;
  border: 1px solid var(--kx-text-4);
  background: var(--kx-surface);
  cursor: pointer;
  position: relative;
  transition: all var(--kx-dur) var(--kx-ease);
  vertical-align: middle;
}
.kx-table__checkbox:hover { border-color: var(--kx-primary); }
.kx-table__checkbox.is-checked { background: var(--kx-primary); border-color: var(--kx-primary); }
.kx-table__checkbox.is-checked::after {
  content: '';
  position: absolute;
  left: 5px; top: 2px;
  width: 4px; height: 8px;
  border: 1.6px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(42deg);
}
.kx-table__checkbox.is-indeterminate { background: var(--kx-primary); border-color: var(--kx-primary); }
.kx-table__checkbox.is-indeterminate::after {
  content: '';
  position: absolute;
  left: 3px; top: 6px;
  width: 8px; height: 2px;
  background: #fff;
  border-radius: 1px;
}
.kx-table__footer {
  display: flex;
  justify-content: flex-end;
  padding: var(--kx-sp-3) var(--kx-sp-4);
  border-top: 1px solid var(--kx-border-2);
  background: var(--kx-surface);
}
.kx-table__footer:empty { display: none; }
.kx-table__empty { padding: var(--kx-sp-8) 0; }
.kx-table__loading {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--kx-sp-2);
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(1px);
  color: var(--kx-text-2);
  font-size: var(--kx-fs-sm);
}
[data-theme="dark"] .kx-table__loading { background: rgba(28, 31, 43, .72); }
.kx-table__skeleton { padding: var(--kx-sp-4); display: flex; flex-direction: column; gap: var(--kx-sp-3); }

/* ============================================================================
   10. 分页
   ========================================================================== */
.kx-pagination {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-3);
  font-size: var(--kx-fs-sm);
  color: var(--kx-text-2);
}
.kx-pagination__total { color: var(--kx-text-3); }
.kx-pagination__list { display: flex; align-items: center; gap: 4px; }
.kx-pagination__item {
  min-width: 30px;
  height: 30px;
  padding: 0 6px;
  border-radius: var(--kx-radius-sm);
  border: 1px solid var(--kx-border);
  background: var(--kx-surface);
  color: var(--kx-text-2);
  font-size: var(--kx-fs-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-pagination__item:hover:not(:disabled) {
  color: var(--kx-primary);
  border-color: var(--kx-primary-200);
  background: var(--kx-primary-50);
}
.kx-pagination__item.is-active {
  background: var(--kx-gradient-primary);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: var(--kx-shadow-primary);
}
.kx-pagination__item:disabled { opacity: .4; cursor: not-allowed; }
.kx-pagination__ellipsis { color: var(--kx-text-3); padding: 0 2px; }
.kx-pagination__simple { padding: 0 var(--kx-sp-2); color: var(--kx-text-2); }
.kx-pagination__size {
  height: 30px;
  padding: 0 var(--kx-sp-2);
  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);
  outline: none;
  cursor: pointer;
}
.kx-pagination__size:hover { border-color: var(--kx-primary-200); }

/* ============================================================================
   11. 空状态 / 骨架屏
   ========================================================================== */
.kx-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--kx-sp-2);
  padding: var(--kx-sp-8) var(--kx-sp-4);
  text-align: center;
}
.kx-empty__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 76px; height: 76px;
  border-radius: 50%;
  background: var(--kx-surface-2);
  color: var(--kx-text-4);
  margin-bottom: var(--kx-sp-1);
}
.kx-empty__text { font-size: var(--kx-fs); color: var(--kx-text-2); }
.kx-empty__desc { font-size: var(--kx-fs-xs); color: var(--kx-text-3); }

.kx-skeleton {
  border-radius: var(--kx-radius-sm);
  background: linear-gradient(90deg, var(--kx-border-2) 0%, #f7f8fa 50%, var(--kx-border-2) 100%);
  background-size: 420px 100%;
  animation: kx-shimmer 1.4s ease-in-out infinite;
}
[data-theme="dark"] .kx-skeleton {
  background: linear-gradient(90deg, #232838 0%, #2c3244 50%, #232838 100%);
  background-size: 420px 100%;
}
.kx-skeleton--row { height: 34px; }
.kx-skeleton--line { height: 14px; margin-bottom: var(--kx-sp-2); }
.kx-skeleton--title { height: 22px; width: 40%; margin-bottom: var(--kx-sp-4); }
.kx-skeleton--chart { height: 260px; }
.kx-skeleton--block { height: 100%; min-height: 120px; }

/* ============================================================================
   12. 标签页
   ========================================================================== */
.kx-tabs__nav {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-5);
  border-bottom: 1px solid var(--kx-border-2);
}
.kx-tabs__nav--card { gap: var(--kx-sp-2); border-bottom: none; }
.kx-tabs__item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 2px;
  font-size: var(--kx-fs);
  color: var(--kx-text-2);
  background: transparent;
  transition: color var(--kx-dur) var(--kx-ease);
}
.kx-tabs__nav--card .kx-tabs__item {
  padding: 8px 16px;
  border-radius: var(--kx-radius);
  background: var(--kx-surface-2);
}
.kx-tabs__item::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  border-radius: 2px;
  background: var(--kx-gradient-primary);
  transform: scaleX(0);
  transition: transform var(--kx-dur) var(--kx-ease);
}
.kx-tabs__nav--card .kx-tabs__item::after { display: none; }
.kx-tabs__item:hover { color: var(--kx-primary); }
.kx-tabs__item.is-active { color: var(--kx-primary); font-weight: 600; }
.kx-tabs__item.is-active::after { transform: scaleX(1); }
.kx-tabs__nav--card .kx-tabs__item.is-active {
  background: var(--kx-primary-50);
  box-shadow: inset 0 0 0 1px var(--kx-primary-200);
}
.kx-tabs__item.is-disabled { opacity: .4; cursor: not-allowed; }
.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-full);
  background: var(--kx-border-2);
  color: var(--kx-text-2);
  font-size: 11px;
}
.kx-tabs__item.is-active .kx-tabs__badge { background: var(--kx-primary-100); color: var(--kx-primary-dark); }
.kx-tabs__panel { padding-top: var(--kx-sp-4); }

/* ============================================================================
   13. 步骤条
   ========================================================================== */
.kx-steps--horizontal { display: flex; align-items: flex-start; gap: var(--kx-sp-3); }
.kx-steps__item { flex: 1; min-width: 0; }
.kx-steps__head { display: flex; align-items: center; gap: var(--kx-sp-3); }
.kx-steps__indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  font-size: var(--kx-fs-xs);
  font-weight: 600;
  background: var(--kx-border-2);
  color: var(--kx-text-3);
  flex: none;
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-steps__line { flex: 1; height: 2px; border-radius: 2px; background: var(--kx-border-2); }
.kx-steps__item.is-finish .kx-steps__indicator { background: var(--kx-primary-100); color: var(--kx-primary-dark); }
.kx-steps__item.is-finish .kx-steps__line { background: var(--kx-primary-200); }
.kx-steps__item.is-process .kx-steps__indicator {
  background: var(--kx-gradient-primary);
  color: #fff;
  box-shadow: var(--kx-shadow-primary);
}
.kx-steps__body { padding: var(--kx-sp-2) 0 0 38px; }
.kx-steps__title { font-size: var(--kx-fs); color: var(--kx-text-2); font-weight: 500; }
.kx-steps__item.is-process .kx-steps__title { color: var(--kx-text); }
.kx-steps__desc { font-size: var(--kx-fs-xs); color: var(--kx-text-3); margin-top: 2px; }
.kx-steps__item.is-clickable { cursor: pointer; }
.kx-steps--vertical { display: flex; flex-direction: column; gap: var(--kx-sp-4); }
.kx-steps--vertical .kx-steps__item { display: flex; gap: var(--kx-sp-3); }
.kx-steps--vertical .kx-steps__head { flex-direction: column; align-items: center; }
.kx-steps--vertical .kx-steps__line { width: 2px; height: auto; min-height: 16px; flex: 1; }
.kx-steps--vertical .kx-steps__body { padding: 4px 0 0; flex: 1; }

/* ============================================================================
   14. 模态框
   ========================================================================== */
.kx-modal,
.kx-drawer { position: fixed; inset: 0; z-index: var(--kx-z-modal); }
.kx-modal__mask,
.kx-drawer__mask {
  position: absolute;
  inset: 0;
  background: rgba(29, 33, 41, .45);
  opacity: 0;
  transition: opacity var(--kx-dur) var(--kx-ease);
}
.kx-modal--in .kx-modal__mask,
.kx-drawer--in .kx-drawer__mask { opacity: 1; }
.kx-modal--leave .kx-modal__mask,
.kx-drawer--leave .kx-drawer__mask { opacity: 0; }
.kx-modal__dialog {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -46%);
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  background: var(--kx-surface);
  border-radius: var(--kx-radius-lg);
  box-shadow: var(--kx-shadow-lg);
  opacity: 0;
  transition: opacity var(--kx-dur) var(--kx-ease), transform var(--kx-dur) var(--kx-ease);
}
.kx-modal--in .kx-modal__dialog { opacity: 1; transform: translate(-50%, -50%); }
.kx-modal--leave .kx-modal__dialog { opacity: 0; transform: translate(-50%, -46%); }
.kx-modal__header,
.kx-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kx-sp-3);
  padding: var(--kx-sp-4) var(--kx-sp-5);
  border-bottom: 1px solid var(--kx-border-2);
}
.kx-modal__title,
.kx-drawer__title { font-size: var(--kx-fs-lg); font-weight: 600; color: var(--kx-text); }
.kx-modal__close,
.kx-drawer__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: var(--kx-radius-sm);
  color: var(--kx-text-3);
  transition: all var(--kx-dur) var(--kx-ease);
}
.kx-modal__close:hover,
.kx-drawer__close:hover { background: var(--kx-surface-2); color: var(--kx-text); }
.kx-modal__body { padding: var(--kx-sp-5); overflow-y: auto; flex: 1; }
.kx-modal__footer {
  padding: var(--kx-sp-3) var(--kx-sp-5);
  border-top: 1px solid var(--kx-border-2);
  background: var(--kx-surface-2);
}
.kx-modal__footer:empty { display: none; }
.kx-modal__footer-inner { display: flex; align-items: center; justify-content: flex-end; gap: var(--kx-sp-3); }
.kx-confirm { display: flex; gap: var(--kx-sp-4); align-items: flex-start; }
.kx-confirm__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  flex: none;
}
.kx-confirm__icon--warning { background: var(--kx-warning-bg); color: var(--kx-warning); }
.kx-confirm__icon--danger  { background: var(--kx-danger-bg);  color: var(--kx-danger); }
.kx-confirm__icon--info    { background: var(--kx-info-bg);    color: var(--kx-info); }
.kx-confirm__icon--success { background: var(--kx-success-bg); color: var(--kx-success); }
.kx-confirm__icon--question { background: var(--kx-primary-50); color: var(--kx-primary); }
.kx-confirm__main { flex: 1; min-width: 0; }
.kx-confirm__text { font-size: var(--kx-fs); color: var(--kx-text-2); line-height: 1.7; }

/* 抽屉 */
.kx-drawer__panel {
  position: absolute;
  top: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  max-width: 100vw;
  background: var(--kx-surface);
  box-shadow: var(--kx-shadow-lg);
  transition: transform .24s var(--kx-ease);
}
.kx-drawer__panel--right { right: 0; transform: translateX(100%); }
.kx-drawer__panel--left { left: 0; transform: translateX(-100%); }
.kx-drawer--in .kx-drawer__panel--right,
.kx-drawer--in .kx-drawer__panel--left { transform: translateX(0); }
.kx-drawer--leave .kx-drawer__panel--right { transform: translateX(100%); }
.kx-drawer--leave .kx-drawer__panel--left { transform: translateX(-100%); }
.kx-drawer__body { padding: var(--kx-sp-5); overflow-y: auto; flex: 1; }
.kx-drawer__footer {
  padding: var(--kx-sp-3) var(--kx-sp-5);
  border-top: 1px solid var(--kx-border-2);
  background: var(--kx-surface-2);
}
.kx-drawer__footer-inner { display: flex; align-items: center; justify-content: flex-end; gap: var(--kx-sp-3); }

/* ============================================================================
   15. 轻提示
   ========================================================================== */
.kx-toast-root {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--kx-z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--kx-sp-2);
  pointer-events: none;
}
.kx-toast {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-2);
  min-width: 200px;
  max-width: 460px;
  padding: 10px var(--kx-sp-4);
  border-radius: var(--kx-radius);
  background: var(--kx-surface);
  box-shadow: var(--kx-shadow);
  border: 1px solid var(--kx-border-2);
  font-size: var(--kx-fs);
  color: var(--kx-text);
  animation: kx-fade-up .26s var(--kx-ease) both;
  pointer-events: auto;
}
.kx-toast--leave { animation: kx-fade-in .18s var(--kx-ease) reverse both; }
.kx-toast__icon { display: inline-flex; font-size: 18px; }
.kx-toast__text { flex: 1; min-width: 0; }
.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-info); }
.kx-toast--loading .kx-toast__icon { color: var(--kx-primary); }
.kx-toast--loading .kx-toast__icon .kx-icon { animation: kx-spin .9s linear infinite; }

/* ============================================================================
   16. 下拉菜单（顶部栏用户菜单等）
   ========================================================================== */
.kx-dropdown {
  position: absolute;
  z-index: var(--kx-z-dropdown);
  min-width: 168px;
  padding: 6px;
  background: var(--kx-surface);
  border: 1px solid var(--kx-border-2);
  border-radius: var(--kx-radius);
  box-shadow: var(--kx-shadow);
  animation: kx-fade-down var(--kx-dur) var(--kx-ease) both;
}
.kx-dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--kx-sp-2);
  height: 34px;
  padding: 0 var(--kx-sp-3);
  border-radius: var(--kx-radius-sm);
  font-size: var(--kx-fs);
  color: var(--kx-text-2);
  cursor: pointer;
  transition: all var(--kx-dur) var(--kx-ease);
  white-space: nowrap;
}
.kx-dropdown__item .kx-icon { color: var(--kx-text-3); }
.kx-dropdown__item:hover { background: var(--kx-primary-50); color: var(--kx-primary); }
.kx-dropdown__item:hover .kx-icon { color: var(--kx-primary); }
.kx-dropdown__item.is-danger { color: var(--kx-danger); }
.kx-dropdown__item.is-danger .kx-icon { color: var(--kx-danger); }
.kx-dropdown__item.is-danger:hover { background: var(--kx-danger-bg); color: var(--kx-danger); }
.kx-dropdown__divider { height: 1px; margin: 6px 4px; background: var(--kx-border-2); }
.kx-dropdown__header {
  padding: var(--kx-sp-2) var(--kx-sp-3);
  font-size: var(--kx-fs-xs);
  color: var(--kx-text-3);
}

/* ============================================================================
   17. 头像 / 进度 / 时间轴
   ========================================================================== */
.kx-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: var(--kx-radius-full);
  background: var(--kx-gradient-primary);
  color: #fff;
  font-size: var(--kx-fs-sm);
  font-weight: 600;
  overflow: hidden;
  flex: none;
  user-select: none;
}
.kx-avatar img { width: 100%; height: 100%; object-fit: cover; }
.kx-avatar--sm { width: 28px; height: 28px; font-size: var(--kx-fs-xs); }
.kx-avatar--lg { width: 48px; height: 48px; font-size: var(--kx-fs-lg); }

.kx-progress {
  position: relative;
  width: 100%;
  height: 6px;
  border-radius: var(--kx-radius-full);
  background: var(--kx-border-2);
  overflow: hidden;
}
.kx-progress__bar {
  height: 100%;
  border-radius: var(--kx-radius-full);
  background: var(--kx-gradient-primary);
  transition: width .4s var(--kx-ease);
}
.kx-progress--gold .kx-progress__bar { background: var(--kx-gradient-gold); }
.kx-progress--success .kx-progress__bar { background: linear-gradient(90deg, #00b42a, #23c343); }
.kx-progress--warning .kx-progress__bar { background: linear-gradient(90deg, #ff7d00, #ff9a2e); }
.kx-progress--danger .kx-progress__bar { background: linear-gradient(90deg, #f53f3f, #ff6b6b); }

.kx-timeline { position: relative; padding-left: var(--kx-sp-5); }
.kx-timeline::before {
  content: '';
  position: absolute;
  left: 5px; top: 6px; bottom: 6px;
  width: 1px;
  background: var(--kx-border-2);
}
.kx-timeline__item { position: relative; padding-bottom: var(--kx-sp-5); }
.kx-timeline__item:last-child { padding-bottom: 0; }
.kx-timeline__dot {
  position: absolute;
  left: calc(-1 * var(--kx-sp-5) + 2px);
  top: 5px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--kx-primary);
  box-shadow: 0 0 0 3px var(--kx-primary-100);
}
.kx-timeline__dot--gold { background: var(--kx-gold); box-shadow: 0 0 0 3px var(--kx-gold-50); }
.kx-timeline__dot--info { background: var(--kx-info); box-shadow: 0 0 0 3px var(--kx-info-bg); }
.kx-timeline__dot--success { background: var(--kx-success); box-shadow: 0 0 0 3px var(--kx-success-bg); }
.kx-timeline__title { font-size: var(--kx-fs); color: var(--kx-text); font-weight: 500; }
.kx-timeline__time { font-size: var(--kx-fs-xs); color: var(--kx-text-3); margin-top: 2px; }
.kx-timeline__desc { font-size: var(--kx-fs-sm); color: var(--kx-text-2); margin-top: 4px; line-height: 1.6; }

/* ============================================================================
   18. 统计卡片（可复用）
   ========================================================================== */
.kx-stat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--kx-sp-3);
  padding: var(--kx-sp-5);
  background: var(--kx-surface);
  border-radius: var(--kx-radius-lg);
  border: 1px solid var(--kx-border-2);
  box-shadow: var(--kx-shadow-sm);
  transition: transform var(--kx-dur) var(--kx-ease), box-shadow var(--kx-dur) var(--kx-ease);
  overflow: hidden;
}
.kx-stat:hover { transform: translateY(-3px); box-shadow: var(--kx-shadow); }
.kx-stat__top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--kx-sp-3); }
.kx-stat__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--kx-radius);
  background: var(--kx-gradient-primary);
  color: #fff;
  box-shadow: var(--kx-shadow-primary);
  flex: none;
}
.kx-stat__icon--gold { background: var(--kx-gradient-gold); box-shadow: var(--kx-shadow-gold); }
.kx-stat__icon--info { background: linear-gradient(135deg, #165dff 0%, #4a86ff 100%); box-shadow: 0 8px 20px rgba(22, 93, 255, .24); }
.kx-stat__icon--success { background: linear-gradient(135deg, #00b42a 0%, #23c343 100%); box-shadow: 0 8px 20px rgba(0, 180, 42, .24); }
.kx-stat__icon--violet { background: linear-gradient(135deg, #722ed1 0%, #9a52ff 100%); box-shadow: 0 8px 20px rgba(114, 46, 209, .24); }
.kx-stat__icon--cyan { background: linear-gradient(135deg, #0fc6c2 0%, #38d9d6 100%); box-shadow: 0 8px 20px rgba(15, 198, 194, .24); }
.kx-stat__icon--warning { background: linear-gradient(135deg, #ff7d00 0%, #ff9a2e 100%); box-shadow: 0 8px 20px rgba(255, 125, 0, .24); }
.kx-stat__label { font-size: var(--kx-fs-sm); color: var(--kx-text-3); }
.kx-stat__value {
  font-size: var(--kx-fs-3xl);
  font-weight: 700;
  color: var(--kx-text);
  line-height: 1.2;
  letter-spacing: -.5px;
}
.kx-stat__value small { font-size: var(--kx-fs-md); font-weight: 500; color: var(--kx-text-3); margin-left: 4px; }
.kx-stat__foot { display: flex; align-items: center; gap: var(--kx-sp-2); font-size: var(--kx-fs-xs); color: var(--kx-text-3); }
.kx-stat__delta {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 1px 8px;
  border-radius: var(--kx-radius-full);
  font-size: var(--kx-fs-xs);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.kx-stat__delta.is-up { color: #00891f; background: var(--kx-success-bg); }
.kx-stat__delta.is-down { color: #cb2634; background: var(--kx-danger-bg); }
.kx-stat__delta.is-flat { color: var(--kx-text-3); background: var(--kx-border-2); }
.kx-stat__spark { height: 34px; margin: -4px -4px calc(-1 * var(--kx-sp-2)); }