/* ============================================================
   Learningskill 企业数据中台风 · 完整设计系统（2026-08-27 v2）
   硬约束：颜色/间距/圆角全取 tokens.css 变量；
   阴影仅卡片 --shadow-card；渐变仅 auth 页 --grad-auth；
   圆角 ≤10px（auth 卡 16px）；transition 仅 hover 颜色 ≤150ms。
   ============================================================ */

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

html { -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--fs-body-lh);
  color: var(--color-text-primary);
  background: var(--color-bg-page);
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; transition: color 150ms ease; }
a:hover { color: var(--color-primary-hover); }

h1 { font-size: var(--fs-h1); line-height: var(--fs-h1-lh); font-weight: 700; }
h2 { font-size: var(--fs-h2); line-height: var(--fs-h2-lh); font-weight: 600; }
h3 { font-size: var(--fs-h3); line-height: var(--fs-h3-lh); font-weight: 600; }

code, .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
code {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--r-sm);
  padding: 1px 6px;
  font-size: 0.92em;
}
.muted { color: var(--color-text-secondary); }
.tertiary { color: var(--color-text-tertiary); }

/* ============================================================
   应用骨架：顶部导航 + 内容区（TOC 产品布局，2026-08-27 v4 用户指定）
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border-primary);
}
.navbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  min-height: 60px;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 6px var(--sp-4);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--r-md);
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-name { color: var(--color-text-primary); font-weight: 700; font-size: 16px; white-space: nowrap; }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: var(--r-md);
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
  transition: color 150ms ease, background-color 150ms ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--color-primary); background: var(--color-bg-surface); }
.nav-link.active { color: var(--color-primary); background: var(--color-primary-soft); font-weight: 600; }
.nav-link-hot { color: var(--color-primary); font-weight: 600; }
.nav-link-hot::after { content: "新"; margin-left: 5px; font-size: 10px; font-weight: 600; color: var(--color-text-on-primary); background: var(--color-primary); padding: 0 5px; border-radius: var(--r-sm); line-height: 16px; vertical-align: 1px; }

/* 导航右侧用户区 */
.nav-user { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-user .username { color: var(--color-text-secondary); max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 积分徽章（可点击直达充值） */
.credit-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--r-md);
  padding: 4px 10px;
  font-size: var(--fs-caption);
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: border-color 150ms ease, color 150ms ease;
}
.credit-pill:hover { border-color: var(--color-primary); color: var(--color-primary); }
.credit-pill .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--color-primary);
}

/* 内容区 */
.page { flex: 1; padding: var(--sp-3) var(--sp-4) var(--sp-5); }

.container { max-width: var(--container-max); margin: 0 auto; width: 100%; }
.container-narrow { max-width: 760px; margin: 0 auto; width: 100%; }
.content-narrow { max-width: 760px; }

@media (max-width: 880px) {
  .navbar-inner { padding: 6px var(--sp-2); }
  .nav-links { display: none; }
  .navbar .btn-secondary { display: none; }
  .nav-user .username { display: none; }
  .page { padding: var(--sp-2) var(--sp-2) var(--sp-4); }
}

/* 页头（全站统一） */
.page-header { margin-bottom: var(--sp-3); }
.page-header h1 { margin: 0; }
.page-subtitle {
  color: var(--color-text-secondary);
  margin-top: var(--sp-1);
  max-width: 720px;
}
.breadcrumbs {
  font-size: var(--fs-caption);
  color: var(--color-text-tertiary);
  margin-bottom: var(--sp-1);
}
.breadcrumbs a { color: var(--color-text-secondary); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs .sep { margin: 0 6px; }

/* 区块标题：左侧 4px 主色竖条 */
.section-title {
  position: relative;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 600;
  padding-left: 10px;
  margin-bottom: var(--sp-2);
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background: var(--color-primary);
}

/* 两栏布局：主区 + 侧栏 300px */
.layout-two-col {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--sp-3);
  align-items: start;
}
@media (max-width: 880px) {
  .layout-two-col { grid-template-columns: 1fr; }
  .layout-two-col .sidebar-inner { position: static; }
}
.layout-two-col .sidebar-inner {
  position: sticky;
  top: calc(var(--topbar-h) + var(--sp-3));
}

/* ---------- 卡片（白底 + 轻阴影，全站唯一允许阴影处） ---------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  padding: var(--sp-3);
}
.card + .card { margin-top: var(--sp-2); }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}
.card-header h2, .card-header h3 { margin: 0; }
.card-title { font-size: var(--fs-h3); font-weight: 600; margin-bottom: var(--sp-2); }
.card-foot { margin-top: var(--sp-2); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  height: 40px;
  padding: 0 var(--sp-2);
  font-size: var(--fs-body);
  font-family: var(--font-sans);
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); color: var(--color-text-on-primary); }
.btn-primary:hover:not(:disabled) { background: var(--color-primary-hover); color: var(--color-text-on-primary); }
.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border-color: var(--color-border-primary);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost { background: transparent; color: var(--color-text-secondary); }
.btn-ghost:hover:not(:disabled) { color: var(--color-primary); }
.btn-danger { background: var(--color-accent); color: var(--color-text-on-primary); }
.btn-danger:hover:not(:disabled) { background: var(--color-danger); color: var(--color-text-on-primary); }
.btn-sm { height: 32px; padding: 0 12px; font-size: var(--fs-caption); }
.btn-block { width: 100%; }
.btn-row { display: flex; gap: var(--sp-1); flex-wrap: wrap; }
.btn-row + .btn-row { margin-top: var(--sp-1); }

/* ---------- 表单 ---------- */
.form-field { margin-bottom: var(--sp-2); }
.form-label {
  display: block;
  font-size: var(--fs-caption);
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}
.form-hint { font-size: var(--fs-caption); color: var(--color-text-tertiary); margin-top: 4px; }
/* 邀约注册 */
.invite-row {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: var(--sp-2);
}
.invite-field { display: flex; flex-direction: column; gap: 6px; min-width: 160px; }
.invite-field-grow { flex: 1 1 280px; }
.invite-code {
  height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  font-size: 18px;
  letter-spacing: 0.12em;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-md);
  color: var(--color-primary);
  font-weight: 600;
}
.invite-link {
  height: 40px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 13px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-md);
  color: var(--color-text-secondary);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.invite-stat {
  font-size: var(--fs-caption);
  color: var(--color-text-secondary);
}
/* 充值页邀约注册 hero */
.invite-hero {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
}
.invite-hero-main { flex: 1 1 0; min-width: 0; }
.invite-kicker {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 6px;
}
.invite-title {
  font-size: var(--fs-h2);
  line-height: var(--fs-h2-lh);
  margin: 0 0 var(--sp-1);
  color: var(--color-text-primary);
}
.invite-sub {
  color: var(--color-text-secondary);
  margin: 0 0 var(--sp-2);
  line-height: var(--fs-body-lh);
}
.invite-bonus { color: var(--color-primary); font-weight: 700; }
.invite-count { font-size: var(--fs-caption); color: var(--color-text-tertiary); margin-bottom: var(--sp-2); }
.invite-actions { display: flex; gap: var(--sp-1); flex-wrap: wrap; }
.invite-hero-side {
  width: 220px;
  flex-shrink: 0;
  border-left: 1px solid var(--color-border-primary);
  padding-left: var(--sp-3);
}
.invite-field-label {
  font-size: 11px;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.invite-code-box {
  background: var(--color-bg-zebra);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-md);
  padding: var(--sp-2);
  text-align: center;
}
.invite-code-big {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  font-weight: 700;
  display: block;
  margin-bottom: var(--sp-2);
}
.invite-code-hint {
  display: block;
  font-size: var(--fs-caption);
  color: var(--color-text-tertiary);
}
@media (max-width: 880px) {
  .invite-link { width: 100%; }
  .invite-field { width: 100%; }
  .invite-hero { flex-direction: column; align-items: stretch; }
  .invite-hero-side {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--color-border-primary);
    padding-left: 0;
    padding-top: var(--sp-2);
  }
}
.input {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  font-size: var(--fs-body);
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-md);
  background: var(--color-bg-card);
  outline: none;
  transition: border-color 150ms ease;
}
.input:focus { border-color: var(--color-primary); }
.input::placeholder { color: var(--color-text-tertiary); }
textarea.input { height: auto; min-height: 96px; padding: 8px 12px; }
select.input { appearance: auto; }
.input-sm { width: auto; height: 32px; padding: 0 8px; font-size: var(--fs-body); }
.inline-form { display: inline-flex; gap: 6px; align-items: center; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--sp-2);
  align-items: end;
}
@media (max-width: 880px) { .form-row { grid-template-columns: 1fr; } }
.form-actions { display: flex; gap: var(--sp-1); }

.form-error {
  display: none;
  color: var(--color-danger);
  background: var(--color-danger-soft);
  border-radius: var(--r-md);
  padding: 8px 12px;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-caption);
}
.form-error.visible { display: block; }

.filter-bar {
  display: flex;
  gap: var(--sp-1);
  align-items: center;
  flex-wrap: wrap;
}
.filter-bar .input { width: auto; min-width: 180px; }
.filter-bar select.input { min-width: 120px; }
.skill-search { margin-bottom: var(--sp-2); }
.skill-search .input { flex: 1; min-width: 240px; max-width: 420px; }

/* 选择卡片（充值档位 / 模型选择） */
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
@media (max-width: 880px) { .choice-grid { grid-template-columns: 1fr; } }
.choice-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-md);
  padding: var(--sp-2);
  cursor: pointer;
  transition: border-color 150ms ease, background-color 150ms ease;
  min-height: 88px;
  box-sizing: border-box;
}
.choice-card:hover { border-color: var(--color-primary); }
.choice-card.selected, .choice-card:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}
.choice-card input[type="radio"] { accent-color: var(--color-primary); width: 16px; height: 16px; flex-shrink: 0; }
.choice-card .choice-main { flex: 1; min-width: 0; }
.choice-card .choice-title { font-weight: 600; }
.choice-card .choice-desc { font-size: var(--fs-caption); color: var(--color-text-secondary); margin-top: 2px; }
.choice-card .choice-price {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 600;
  white-space: nowrap;
}
.choice-card .choice-price .unit { font-size: var(--fs-caption); color: var(--color-text-secondary); font-weight: 400; }

/* 模型选项（wizard 内） */
.model-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-md);
  padding: var(--sp-2);
  cursor: pointer;
  margin-bottom: var(--sp-1);
  transition: border-color 150ms ease, background-color 150ms ease;
}
.model-option:hover { border-color: var(--color-primary); }
.model-option:has(input:checked) { border-color: var(--color-primary); background: var(--color-primary-soft); }
.model-option input[type="radio"] { accent-color: var(--color-primary); width: 16px; height: 16px; margin-top: 3px; flex-shrink: 0; }

/* ---------- 固定效应类型选择（面板 FE） ---------- */
.fe-block {
  margin-top: var(--sp-2);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-md);
  padding: var(--sp-2);
}
.fe-block .c-hd { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.fe-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-1);
  margin-top: var(--sp-1);
}
.fe-item {
  position: relative;
  display: block;
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-md);
  padding: var(--sp-2);
  cursor: pointer;
  background: var(--color-bg-card);
  transition: border-color 150ms ease, background-color 150ms ease;
}
.fe-item:hover:not(.disabled) { border-color: var(--color-primary); }
.fe-item.selected { border-color: var(--color-primary); background: var(--color-primary-soft); }
.fe-item.disabled { opacity: 0.5; cursor: not-allowed; }
.fe-item input[type="radio"] { accent-color: var(--color-primary); width: 15px; height: 15px; }
.fe-item .fe-name { font-weight: 700; font-size: 14px; margin: 4px 0 6px; }
.fe-item .fe-stata { font-size: 11px; color: var(--color-text-secondary); margin-bottom: 6px; word-break: break-all; }
.fe-item .fe-stata code { background: var(--color-bg-surface); padding: 1px 4px; border-radius: 4px; }
.fe-item .fe-note { font-size: 12px; color: var(--color-text-tertiary); line-height: 1.5; }
.fe-item .fe-warn { margin-top: 8px; font-size: 12px; color: var(--color-accent); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-body);
}
table.table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  font-weight: 500;
  background: var(--color-bg-table-head);
  border-bottom: 1px solid var(--color-border-primary);
  padding: 10px 8px;
  white-space: nowrap;
}
table.table td {
  border-bottom: 1px solid var(--color-border-tertiary);
  padding: 8px;
  height: 44px;
  vertical-align: middle;
}
table.table tbody tr:last-child td { border-bottom: none; }
table.table tbody tr { transition: background-color 150ms ease; }
table.table tbody tr:nth-child(even) { background: var(--color-bg-zebra); }
table.table tbody tr:hover { background: var(--color-bg-hover); }
table.table .num, table.table th.num,
table.table .num-col, table.table th.num-col {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.mono-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.text-right { text-align: right; }

/* 描述统计「缺失」列：居中 + 缺失值标红提示 */
.table .missing-col { text-align: center; }
.missing-val {
  color: var(--color-danger);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.missing-note {
  color: var(--color-danger);
  font-size: var(--fs-caption);
  margin-left: 6px;
  white-space: nowrap;
}
.missing-zero {
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* key-value 信息表：斑马纹行、无边线（契约 / 接口信息 / 结果元信息） */
table.key-value th {
  width: 140px;
  text-transform: none;
  font-size: var(--fs-caption);
  letter-spacing: 0;
  color: var(--color-text-secondary);
  font-weight: 500;
  background: transparent;
  border-bottom: none;
  padding: 10px 12px;
  white-space: nowrap;
}
table.key-value td { height: auto; padding: 10px 12px; border-bottom: none; }
table.key-value tbody tr:nth-child(odd) { background: var(--color-bg-zebra); }
table.key-value tbody tr:hover { background: var(--color-bg-zebra); }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-block;
  background: var(--color-bg-surface-hover);
  color: var(--color-text-secondary);
  border-radius: var(--r-sm);
  font-size: 11px;
  line-height: 1.4;
  padding: 2px 8px;
  white-space: nowrap;
}
.badge-free, .badge-success { background: var(--color-success-soft); color: var(--color-success); }
.badge-paid, .badge-primary { background: var(--color-primary-soft); color: var(--color-primary); }
.badge-warning { background: var(--color-warning-soft); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-soft); color: var(--color-danger); }
.badge-accent { background: var(--color-accent-soft); color: var(--color-accent); }
.badge-muted { color: var(--color-text-tertiary); }
.badge-blue { background: var(--color-primary-soft); color: var(--color-primary); border: 1px solid rgba(2, 117, 255, 0.35); }

/* HTTP 方法徽章（接口文档） */
.badge-method {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--r-sm);
  white-space: nowrap;
}
.badge-method-get { background: var(--color-primary-soft); color: var(--color-primary); }
.badge-method-post { background: var(--color-success-soft); color: var(--color-success); }
.badge-method-delete { background: var(--color-danger-soft); color: var(--color-danger); }

/* 状态文字 */
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-accent { color: var(--color-accent); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-caption { font-size: var(--fs-caption); line-height: var(--fs-caption-lh); }
.caption { font-size: var(--fs-caption); line-height: var(--fs-caption-lh); color: var(--color-text-tertiary); }

/* ---------- 空状态 ---------- */
.empty-state {
  text-align: center;
  padding: var(--sp-4) var(--sp-2);
  color: var(--color-text-tertiary);
}
.empty-state .empty-title { font-size: var(--fs-h3); color: var(--color-text-secondary); margin-bottom: var(--sp-1); }
.empty-state .empty-desc { font-size: var(--fs-caption); margin-bottom: var(--sp-2); }

/* ---------- 余额大数字 ---------- */
.balance-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
}
.balance-unit { font-size: var(--fs-caption); color: var(--color-text-secondary); margin-left: 4px; }

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin-top: var(--sp-2);
  justify-content: flex-end;
}
.pagination .page-info, .pagination .pagination-info {
  font-size: var(--fs-caption);
  color: var(--color-text-tertiary);
  margin-right: auto;
}

/* ---------- 提示条 ---------- */
.alert {
  border-radius: var(--r-md);
  padding: 8px 12px;
  font-size: var(--fs-caption);
  margin-bottom: var(--sp-2);
  color: var(--color-text-secondary);
  background: var(--color-bg-surface);
}
.alert-danger { background: var(--color-danger-soft); color: var(--color-danger); }
.alert-success { background: var(--color-success-soft); color: var(--color-success); }
.alert-warning { background: var(--color-warning-soft); color: var(--color-warning); }

.notice {
  border-radius: var(--r-md);
  padding: var(--sp-2);
  font-size: var(--fs-body);
  background: var(--color-bg-surface);
}
.notice-warning { background: var(--color-warning-soft); }
.notice-warning strong { color: var(--color-warning); display: block; margin-bottom: var(--sp-1); }

/* Key 明文展示 + 复制 */
.key-plaintext {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  background: var(--color-bg-surface);
  border: 1px dashed var(--color-border-primary);
  border-radius: var(--r-md);
  padding: 10px 12px;
  word-break: break-all;
  margin: var(--sp-1) 0;
  user-select: all;
}
.key-actions { display: flex; gap: var(--sp-1); align-items: center; }

/* ---------- 技能市场 ---------- */
.catalog-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-primary);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--r-lg);
  padding: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.catalog-hero-body { flex: 1; display: flex; flex-direction: column; gap: var(--sp-1); }
.catalog-hero-main { display: flex; align-items: center; gap: var(--sp-1); flex-wrap: wrap; }
.catalog-hero-title { font-size: var(--fs-h3); font-weight: 600; margin: 0; }
.catalog-hero-desc { color: var(--color-text-secondary); font-size: var(--fs-body); margin: 0; line-height: 1.6; }
.catalog-hero-sub { color: var(--color-text-tertiary); font-size: var(--fs-caption); margin: 0; }
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-2);
}
.skill-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  color: var(--color-text-primary);
  transition: border-color 150ms ease, background-color 150ms ease;
}
.skill-card:hover { border-color: var(--color-primary); color: var(--color-text-primary); }
.skill-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-1);
}
.skill-card-head h3 { margin: 0; }
.skill-card-head .badge { flex: none; margin-top: 2px; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.skill-desc {
  color: var(--color-text-secondary);
  font-size: var(--fs-caption);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.skill-card-foot { display: flex; gap: 6px; flex-wrap: wrap; }

.skill-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: var(--sp-1); }

/* 分类侧栏（技能市场内容区内） */
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-nav-item {
  color: var(--color-text-secondary);
  padding: 8px 10px;
  border-radius: var(--r-md);
  font-size: var(--fs-body);
  transition: color 150ms ease, background-color 150ms ease;
}
.side-nav-item:hover { background: var(--color-bg-surface); color: var(--color-text-primary); }
.side-nav-item.active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  font-weight: 600;
}

/* 指南与步骤 */
.guide-content h3 { margin: var(--sp-2) 0 6px; }
.guide-content h3:first-child { margin-top: 0; }
.guide-content p { color: var(--color-text-secondary); }
.usage-steps { padding-left: 20px; color: var(--color-text-secondary); }
.usage-steps li { margin-bottom: 6px; }

/* 技能示例查询（详情页使用示例） */
.example-query {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-primary);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--r-md);
  padding: var(--sp-1) var(--sp-2);
  margin: var(--sp-1) 0 var(--sp-2);
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
  line-height: 1.6;
}

/* ---------- 向导步骤条 ---------- */
.wizard-steps { list-style: none; }
.wizard-steps li {
  position: relative;
  padding: 8px 0 8px 32px;
  color: var(--color-text-tertiary);
  font-size: var(--fs-body);
}
.wizard-steps li::before {
  content: attr(data-index);
  position: absolute;
  left: 0;
  top: 8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--color-border-primary);
  background: var(--color-bg-card);
  color: var(--color-text-tertiary);
  font-size: 11px;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
}
.wizard-steps li::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 34px;
  bottom: -6px;
  width: 1px;
  background: var(--color-border-tertiary);
}
.wizard-steps li.done::after { background: var(--color-success); }
.wizard-steps li:last-child::after { display: none; }
.wizard-steps li.active { color: var(--color-primary); font-weight: 600; }
.wizard-steps li.active::before {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(2,117,255,0.08);
}
.wizard-steps li.done { color: var(--color-success); }
.wizard-steps li.done::before {
  content: "✓";
  border-color: var(--color-success);
  color: var(--color-success);
}

/* 上传区 */
.upload-zone {
  border: 1px dashed var(--color-border-primary);
  border-radius: var(--r-lg);
  background: var(--color-bg-surface);
  padding: var(--sp-4) var(--sp-3);
  text-align: center;
}
.upload-zone .btn { margin-bottom: var(--sp-1); }
.file-hidden { display: none; }
.upload-status {
  margin-top: var(--sp-2);
  padding: 8px 12px;
  border-radius: var(--r-md);
  background: var(--color-bg-surface);
  font-size: var(--fs-caption);
  color: var(--color-text-secondary);
}

/* ---------- 弹窗 ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-2);
}
.modal-overlay[hidden] { display: none; }
.modal-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: var(--sp-2);
}
.modal-mask.open { display: flex; }
.modal {
  background: var(--color-bg-card);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  max-width: 560px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--sp-3);
}
.modal-title { font-size: var(--fs-h2); font-weight: 600; margin-bottom: var(--sp-2); }
.modal-body { color: var(--color-text-secondary); }
.modal-actions { display: flex; gap: var(--sp-1); justify-content: flex-end; margin-top: var(--sp-3); }

/* ---------- 折叠区 ---------- */
details.collapse, details.cleaning-details {
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--r-md);
  background: var(--color-bg-card);
  margin-top: var(--sp-1);
}
details.collapse summary, details.cleaning-details summary {
  cursor: pointer;
  padding: 8px 12px;
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  list-style: none;
  user-select: none;
}
details.collapse summary::before, details.cleaning-details summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}
details.collapse[open] summary::before, details.cleaning-details[open] summary::before { content: "- "; }
details.collapse .collapse-body, details.cleaning-details > div { padding: 0 12px 12px; }

/* ---------- 结果页 ---------- */
.result-header { margin-bottom: var(--sp-3); }
.meta-line {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  align-items: center;
  margin-top: var(--sp-1);
  color: var(--color-text-secondary);
  font-size: var(--fs-caption);
}
.tag {
  display: inline-block;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--r-sm);
  font-size: 11px;
  padding: 2px 8px;
  color: var(--color-text-secondary);
}
.conclusion-card { border-left: 3px solid var(--color-primary); }
.conclusion-text { font-size: var(--fs-h3); line-height: var(--fs-h3-lh); color: var(--color-text-primary); }
.stats-line {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-top: var(--sp-2);
  padding-top: var(--sp-2);
  border-top: 1px solid var(--color-border-tertiary);
}
.stat-item { font-size: var(--fs-caption); color: var(--color-text-secondary); }
.next-step-card p { margin-bottom: var(--sp-2); }

/* ---------- 结果页增强：系数解读 + 改进建议 ---------- */
.interpret-list, .suggest-list { list-style: none; margin: 0; padding: 0; }
.interpret-item {
  display: flex;
  gap: var(--sp-1);
  align-items: flex-start;
  padding: var(--sp-1) 0;
  border-bottom: 1px solid var(--color-border-tertiary);
  font-size: var(--fs-body);
  line-height: var(--fs-body-lh);
}
.interpret-item:last-child { border-bottom: none; }
.interpret-var { flex-shrink: 0; color: var(--color-primary); font-weight: 600; }
.interpret-stars { flex-shrink: 0; color: var(--color-accent); font-family: var(--font-mono); }
.interpret-text { color: var(--color-text-secondary); }

.suggest-item {
  position: relative;
  padding: var(--sp-1) 0 var(--sp-1) var(--sp-2);
  border-bottom: 1px solid var(--color-border-tertiary);
  font-size: var(--fs-body);
  line-height: var(--fs-body-lh);
  color: var(--color-text-secondary);
}
.suggest-item:last-child { border-bottom: none; }
.suggest-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ---------- KPI 统计卡 ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2);
}
@media (max-width: 880px) { .stat-grid { grid-template-columns: 1fr 1fr; } }
.stat-card { padding: var(--sp-2); }
.stat-label { font-size: var(--fs-caption); color: var(--color-text-tertiary); margin-bottom: 6px; }
.stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
}
.stat-note { font-size: var(--fs-caption); color: var(--color-text-tertiary); margin-top: 6px; }
.stat-card.kpi-blue .stat-value { color: var(--color-kpi-blue); }
.stat-card.kpi-green .stat-value { color: var(--color-kpi-green); }
.stat-card.kpi-orange .stat-value { color: var(--color-kpi-orange); }
.stat-card.kpi-purple .stat-value { color: var(--color-kpi-purple); }

.trend-chart {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 120px;
  border-bottom: 1px solid var(--color-border-primary);
}
.trend-col { flex: 1; height: 100%; display: flex; align-items: flex-end; }
.trend-bar { width: 100%; background: var(--color-primary); min-height: 1px; border-radius: 2px 2px 0 0; }
.trend-axis { display: flex; gap: 2px; margin-top: 4px; }
.trend-tick { flex: 1; font-size: 10px; color: var(--color-text-tertiary); text-align: center; overflow: hidden; white-space: nowrap; }
.trend-meta { display: flex; gap: var(--sp-1); margin-top: 6px; font-size: 11px; color: var(--color-text-secondary); font-variant-numeric: tabular-nums; }
.trend-meta span { display: inline-flex; align-items: center; gap: 4px; }
.trend-meta span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--color-text-tertiary); }
.admin-nav-links { display: flex; gap: var(--sp-1); flex-wrap: wrap; }

/* Tab 切换（通用 + 后台子导航）：当前项主色 + 底部 2px 主色条 */
.tabs, .admin-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--color-border-primary);
  margin-bottom: var(--sp-3);
  overflow-x: auto;
}
.tabs a, .admin-tabs a {
  padding: 8px 12px;
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color 150ms ease, border-color 150ms ease;
}
.tabs a:hover, .admin-tabs a:hover { color: var(--color-text-primary); }
.tabs a.active, .admin-tabs a.active { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: 600; }

/* 账户页粘性 Tab：滚动固定于顶部导航下方，当前项始终可见 */
.account-tabs {
  position: sticky;
  top: 60px;
  z-index: 50;
  background: var(--color-bg-page);
  padding-top: var(--sp-1);
  margin-top: calc(-1 * var(--sp-1));
}
.account-sections .card { scroll-margin-top: 120px; }

/* ---------- 认证页（fullpage 骨架：渐变背景 + 居中大卡） ---------- */
.auth-page {
  min-height: 100vh;
  background: var(--grad-auth);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4) var(--sp-2);
}
.auth-card {
  background: var(--color-bg-card);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
  padding: var(--sp-4);
  width: 400px;
  max-width: 100%;
}
.auth-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--r-lg);
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-weight: 700;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-2);
}
.auth-title { font-size: var(--fs-h2); line-height: var(--fs-h2-lh); font-weight: 600; text-align: center; }
.auth-sub { color: var(--color-text-tertiary); font-size: var(--fs-caption); text-align: center; margin: 6px 0 var(--sp-3); }
.auth-foot { margin-top: var(--sp-2); font-size: var(--fs-caption); color: var(--color-text-tertiary); text-align: center; }
.auth-foot a { color: var(--color-primary); }
.auth-foot .auth-link-muted { color: var(--color-text-tertiary); margin-left: var(--sp-1); }
.auth-row { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-1); margin-bottom: var(--sp-2); }
.auth-row label { display: flex; align-items: center; gap: 6px; font-size: var(--fs-caption); color: var(--color-text-secondary); cursor: pointer; }
.auth-row input[type="checkbox"] { accent-color: var(--color-primary); width: 15px; height: 15px; }

/* 分隔线 */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin: var(--sp-3) 0;
  color: var(--color-text-tertiary);
  font-size: var(--fs-caption);
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-primary);
}

/* 支付宝登录按钮 */
.btn-alipay {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  background: #1677FF;
  color: #FFFFFF;
  border: none;
  border-radius: var(--r-md);
  height: 40px;
  font-size: var(--fs-body);
  font-weight: 500;
  cursor: pointer;
  transition: background 150ms;
  text-decoration: none;
}
.btn-alipay:hover {
  background: #0958D9;
}
.btn-alipay svg {
  flex-shrink: 0;
}
.btn-alipay-lg {
  height: 52px;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--sp-1);
}
.btn-alipay-lg svg {
  width: 24px;
  height: 24px;
}

/* 认证页品牌区 */
.auth-brand {
  text-align: center;
  margin-bottom: var(--sp-3);
}
.auth-brand-mark {
  width: 56px;
  height: 56px;
  border-radius: var(--r-lg);
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-weight: 700;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-1);
}
.auth-brand h1 {
  font-size: var(--fs-h2);
  line-height: var(--fs-h2-lh);
  font-weight: 600;
  margin: 0;
}
.auth-brand-sub {
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
  margin: 4px 0 0;
}
.auth-slogan {
  color: var(--color-text-tertiary);
  font-size: var(--fs-caption);
  margin: var(--sp-1) 0 0;
  font-family: var(--font-mono);
  letter-spacing: 0.2px;
}

/* 切换到邮箱登录（默认收起） */
.auth-toggle-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  margin: var(--sp-2) 0 0;
  padding: var(--sp-1) 0;
  background: none;
  border: none;
  border-top: 1px solid var(--color-border-primary);
  color: var(--color-text-secondary);
  font-size: var(--fs-caption);
  cursor: pointer;
}
.auth-toggle-link svg {
  color: var(--color-text-tertiary);
}
.auth-toggle-link:hover {
  color: var(--color-primary);
}
.auth-toggle-link:hover svg {
  color: var(--color-primary);
}
.auth-email-panel {
  margin-top: var(--sp-2);
}

/* 支付宝扫码提示 */
.auth-alipay-hint {
  color: var(--color-text-secondary);
  font-size: var(--fs-caption);
  text-align: center;
  margin: var(--sp-1) 0 0;
}
.auth-alipay-note {
  color: var(--color-text-tertiary);
  font-size: 12px;
  text-align: center;
  margin: 4px 0 0;
}

/* 认证页操作区 */
.auth-actions {
  margin-bottom: var(--sp-2);
}
.auth-actions-between {
  display: flex;
  justify-content: flex-end;
}
.auth-link {
  color: var(--color-primary);
  font-size: var(--fs-caption);
  text-decoration: none;
}
.auth-link:hover {
  color: var(--color-primary-hover);
}
.auth-alert {
  margin-bottom: var(--sp-2);
}
.auth-form {
  margin-top: var(--sp-3);
}
.auth-code-row {
  display: flex;
  gap: var(--sp-1);
  align-items: center;
}
.auth-code-row .input {
  flex: 1;
  min-width: 0;
}
.auth-code-row .btn {
  flex-shrink: 0;
}
.auth-switch {
  text-align: center;
  font-size: var(--fs-caption);
  color: var(--color-text-secondary);
  margin: var(--sp-3) 0 0;
}
.auth-switch a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}
.auth-switch a:hover {
  color: var(--color-primary-hover);
}

/* 表单成功提示 */
.form-success {
  background: #F0F9FF;
  border: 1px solid #BAE0FF;
  color: #0958D9;
  border-radius: var(--r-md);
  padding: var(--sp-1) var(--sp-2);
  font-size: var(--fs-caption);
  margin-bottom: var(--sp-2);
  text-align: center;
}

/* 通知行 */
.notice-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-1) 0;
  border-bottom: 1px solid var(--color-border-tertiary);
}
.notice-row:last-child { border-bottom: none; }
.notice-row .unread { font-weight: 600; }

/* ---------- 通用工具 ---------- */
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); }
.flex-gap { display: flex; align-items: center; gap: var(--sp-1); flex-wrap: wrap; }
.mt-1 { margin-top: var(--sp-1); }
.mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mb-1 { margin-bottom: var(--sp-1); }
.mb-2 { margin-bottom: var(--sp-2); }
.hidden { display: none !important; }

/* ---------- 页脚 ---------- */
.footer {
  margin-top: var(--sp-5);
  padding: var(--sp-3) 0 0;
  border-top: 1px solid var(--color-border-primary);
  color: var(--color-text-secondary);
  font-size: var(--fs-caption);
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: var(--sp-2);
}
@media (max-width: 880px) {
  .footer { padding: var(--sp-2); }
  .footer-inner { flex-direction: column; gap: var(--sp-1); }
}

/* ---------- 结果页两栏布局 + AI 解读 ---------- */
.result-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--sp-3);
  align-items: start;
}
.result-main { min-width: 0; }
.result-aside {
  position: sticky;
  top: calc(60px + var(--sp-2));
}

.ai-output {
  margin-top: var(--sp-2);
  padding: var(--sp-2);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--r-md);
  font-size: var(--fs-body);
  line-height: var(--fs-body-lh);
  color: var(--color-text-primary);
}
.ai-output .ai-h3 {
  margin: var(--sp-2) 0 var(--sp-1);
  font-size: var(--fs-h3);
  line-height: var(--fs-h3-lh);
  color: var(--color-text-primary);
}
.ai-output .ai-h3:first-child { margin-top: 0; }
.ai-output p {
  margin: 0 0 var(--sp-1);
  color: var(--color-text-primary);
}
.ai-output ul {
  margin: 0 0 var(--sp-1);
  padding-left: 20px;
}
.ai-output li {
  margin-bottom: 4px;
  color: var(--color-text-primary);
}
.ai-output strong { color: var(--color-text-primary); }
.ai-output .ai-hr {
  border: none;
  border-top: 1px solid var(--color-border-primary);
  margin: var(--sp-2) 0;
}
.ai-loading {
  margin: 0;
  color: var(--color-text-tertiary);
}
.ai-footnote {
  margin: var(--sp-2) 0 0;
  padding-top: var(--sp-1);
  border-top: 1px solid var(--color-border-primary);
  font-size: var(--fs-caption);
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}
.ai-divider {
  border: none;
  border-top: 1px solid var(--color-border-tertiary);
  margin: var(--sp-2) 0;
}
.ai-cost-hint { margin: var(--sp-1) 0 0; }

@media (max-width: 880px) {
  .result-layout { grid-template-columns: 1fr; }
  .result-aside { position: static; }
}

/* ---------- AI 解读弹窗与 Markdown 渲染 ---------- */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-2);
}
.modal-header h3 {
  margin: 0;
  font-size: var(--fs-h2);
  line-height: var(--fs-h2-lh);
  color: var(--color-text-primary);
}
.modal-close {
  border: none;
  background: transparent;
  font-size: 20px;
  line-height: 1;
  color: var(--color-text-tertiary);
  cursor: pointer;
  padding: 0 var(--sp-1);
}
.modal-close:hover { color: var(--color-text-primary); }
.modal-wide { max-width: 760px; }
.md-body {
  font-size: var(--fs-body);
  line-height: var(--fs-body-lh);
  color: var(--color-text-primary);
}
.md-body .md-h4 {
  margin: var(--sp-2) 0 var(--sp-1);
  font-size: var(--fs-h3);
  line-height: var(--fs-h3-lh);
  color: var(--color-text-primary);
}
.md-body .md-h4:first-child { margin-top: 0; }
.md-body .md-p { margin: 0 0 var(--sp-1); color: var(--color-text-primary); }
.md-body .md-ul { margin: 0 0 var(--sp-1); padding-left: 20px; }
.md-body .md-ul li { margin-bottom: 4px; color: var(--color-text-primary); }
.md-body .md-hr {
  border: none;
  border-top: 1px solid var(--color-border-primary);
  margin: var(--sp-2) 0;
}
.md-body strong { color: var(--color-text-primary); }

/* ---------- 工作流流程报告 + 相关性矩阵 ---------- */
.wf-step-list { display: flex; flex-direction: column; gap: var(--sp-2); }
.wf-step { border-left: 2px solid var(--color-border-primary); padding-left: var(--sp-2); }
.wf-step-head { display: flex; align-items: center; gap: var(--sp-1); margin-bottom: var(--sp-1); flex-wrap: wrap; }
.wf-step-index {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wf-step-label { font-size: var(--fs-h3); line-height: var(--fs-h3-lh); color: var(--color-text-primary); font-weight: 600; }
.wf-step-skip { color: var(--color-text-tertiary); font-size: var(--fs-caption); }
.table-sm th, .table-sm td { padding: 6px 8px; font-size: var(--fs-caption); }
.corr-table th, .corr-table td { text-align: center; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.corr-table th:first-child, .corr-table td:first-child { text-align: left; }

/* ---------- 实证全流程专题页 ---------- */
.wf-hero { display: flex; gap: var(--sp-5); align-items: flex-start; padding: var(--sp-5) var(--sp-4); }
.wf-hero-main { flex: 1 1 60%; }
.wf-hero-title { font-size: var(--fs-h1); line-height: var(--fs-h1-lh); color: var(--color-text-primary); margin: var(--sp-2) 0 var(--sp-1); }
.wf-hero-sub { color: var(--color-text-secondary); margin: 0 0 var(--sp-3); max-width: 560px; }
.wf-hero-actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.wf-hero-points { list-style: none; margin: 0; padding: 0; flex: 1 1 40%; display: flex; flex-direction: column; gap: var(--sp-3); }
.wf-hero-points li { display: flex; gap: var(--sp-2); }
.wf-point-index { flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--color-bg-surface); border: 1px solid var(--color-border-primary); color: var(--color-primary); font-family: var(--font-mono); font-size: 13px; display: flex; align-items: center; justify-content: center; }
.wf-point-body strong { display: block; color: var(--color-text-primary); margin-bottom: 2px; }
.wf-point-body p { margin: 0; color: var(--color-text-secondary); font-size: var(--fs-caption); }

.wf-section { margin-bottom: var(--sp-5); }
.wf-section-head { display: flex; align-items: baseline; gap: var(--sp-2); margin-bottom: var(--sp-3); flex-wrap: wrap; }
.wf-section-head h2 { margin: 0; }
.wf-section-head p { margin: 0; color: var(--color-text-secondary); }

.flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); align-items: stretch; }
.flow-card { display: flex; flex-direction: column; position: relative; padding: var(--sp-3); }
.flow-card-featured { border: 1px solid var(--color-primary); }
.flow-flag { position: absolute; top: var(--sp-2); right: var(--sp-2); }
.flow-head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--sp-2); margin-bottom: var(--sp-2); }
.flow-head-title { display: flex; flex-direction: column; }
.flow-name { margin: 0; }
.flow-name-full { color: var(--color-text-tertiary); font-size: var(--fs-caption); margin-top: 2px; }
.flow-price { text-align: right; white-space: nowrap; }
.flow-price-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 24px; font-weight: 600; color: var(--color-primary); }
.flow-price-unit { display: block; color: var(--color-text-tertiary); font-size: var(--fs-caption); }
.flow-scene { color: var(--color-text-secondary); margin: 0 0 var(--sp-3); min-height: 48px; }

.flow-diagram { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 6px; margin: var(--sp-1) 0 var(--sp-3); row-gap: var(--sp-1); }
.flow-node { display: flex; align-items: center; gap: 6px; }
.flow-node-index { flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--color-primary); color: var(--color-text-on-primary); font-family: var(--font-mono); font-size: 11px; display: flex; align-items: center; justify-content: center; }
.flow-node-label { font-size: var(--fs-caption); color: var(--color-text-primary); }
.flow-arrow { color: var(--color-text-tertiary); font-size: 16px; }

.flow-foot { margin-top: auto; padding-top: var(--sp-2); border-top: 1px solid var(--color-border-primary); }

.wf-guide { padding: var(--sp-4); }
.wf-guide-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.wf-guide-step { display: flex; gap: var(--sp-2); }
.wf-guide-index { flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary); color: var(--color-text-on-primary); font-family: var(--font-mono); font-size: 13px; display: flex; align-items: center; justify-content: center; }
.wf-guide-body strong { display: block; color: var(--color-text-primary); margin-bottom: 2px; }
.wf-guide-body p { margin: 0; color: var(--color-text-secondary); font-size: var(--fs-caption); }
.wf-guide-foot { margin-top: var(--sp-3); }

@media (max-width: 880px) {
  .wf-hero { flex-direction: column; padding: var(--sp-3) var(--sp-2); }
  .flow-grid { grid-template-columns: 1fr; }
  .wf-guide-steps { grid-template-columns: 1fr; }
}

/* ---------- 用户反馈模块 ---------- */
.kv-table { display: flex; flex-direction: column; }
.kv-row { display: flex; align-items: baseline; gap: var(--sp-2); padding: 10px 12px; }
.kv-row:nth-child(odd) { background: var(--color-bg-zebra); }
.kv-label { width: 120px; flex-shrink: 0; font-size: var(--fs-caption); color: var(--color-text-secondary); }
.kv-value { flex: 1; color: var(--color-text-primary); word-break: break-word; }

.status-badge {
  display: inline-block;
  border-radius: var(--r-sm);
  font-size: 11px;
  line-height: 1.4;
  padding: 2px 8px;
  white-space: nowrap;
}
.status-badge.status-warning { background: var(--color-warning-soft); color: var(--color-warning); }
.status-badge.status-success { background: var(--color-success-soft); color: var(--color-success); }
.status-badge.status-muted { background: var(--color-bg-surface-hover); color: var(--color-text-secondary); }

.fb-title { margin: 0 0 var(--sp-1); font-size: var(--fs-h3); line-height: var(--fs-h3-lh); }
.fb-content {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--color-text-primary);
  line-height: var(--fs-body-lh);
}

.small { font-size: var(--fs-caption); line-height: var(--fs-caption-lh); }

/* ============================================================
   公告跑马灯（顶部横向滚动；CSS translateX 为产品指定的功能动效，属豁免）
   ============================================================ */
.marquee {
  background: var(--color-primary-soft);
  border-bottom: 1px solid var(--color-border-primary);
  overflow: hidden;
  height: 34px;
  display: flex;
  align-items: center;
}
.marquee-track {
  display: inline-flex;
  white-space: nowrap;
  animation: marquee-scroll 28s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-group { display: inline-flex; align-items: center; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 var(--sp-3);
  font-size: var(--fs-caption);
  color: var(--color-text-secondary);
}
.marquee-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex: none;
}
.marquee-text { color: var(--color-text-primary); font-weight: 500; }
.marquee-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}
.marquee-link:hover { color: var(--color-primary-hover); }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ============================================================
   交流群：右下角悬浮入口 + 弹窗
   ============================================================ */
.group-fab {
  position: fixed;
  right: var(--sp-3);
  bottom: var(--sp-4);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 44px;
  padding: 0 16px;
  border: none;
  border-radius: 22px;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-size: var(--fs-body);
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-card);
}
.group-fab:hover { background: var(--color-primary-hover); color: var(--color-text-on-primary); }
.group-modal {
  max-width: 360px;
  text-align: center;
  padding: var(--sp-3);
}
.group-modal-title {
  font-size: var(--fs-h3);
  font-weight: 600;
  margin: 0 0 var(--sp-1);
}
.group-modal-welcome {
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
  line-height: 1.6;
  margin: 0 0 var(--sp-2);
}
.group-qr-wrap {
  display: flex;
  justify-content: center;
  padding: var(--sp-2);
  background: var(--color-bg-surface);
  border-radius: var(--r-md);
  margin-bottom: var(--sp-1);
}
.group-qr-img {
  width: 220px;
  height: 220px;
  max-width: 100%;
  border-radius: var(--r-sm);
  display: block;
}
.group-modal-tip {
  color: var(--color-text-tertiary);
  font-size: var(--fs-caption);
  margin: 0 0 var(--sp-2);
}
.group-modal-close { width: 100%; }

/* ============================================================
   后台维护页辅助样式
   ============================================================ */
.form-checkbox label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  cursor: pointer;
}
.form-checkbox input { width: auto; height: auto; }
.row-actions { display: inline-flex; gap: 6px; }
.qr-current {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--sp-2);
}
.qr-preview {
  width: 160px;
  height: 160px;
  border: 1px solid var(--color-border-primary);
  border-radius: var(--r-sm);
  object-fit: contain;
  background: var(--color-bg-card);
}