/* 爱乐伴智能体资讯信息发布服务网站 — 设计系统
 * 遵循 HTML 万能造物师设计铁律：
 * - CJK 优先字体
 * - 8px 基线网格
 * - 暖白背景 + 近黑暖灰文字
 * - 柔和阴影 + 圆角 ≤16px
 * - 无外链图片，装饰用内联 SVG / 纯 CSS
 */

/* 字体：已移除 Google Fonts @import（国内访问超时导致页面卡顿），
 * 改用系统字体栈（macOS 苹方 / Windows 微软雅黑），零网络、即时渲染。 */

:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --text: #1f1d18;
  --text-muted: #6b6860;
  --text-subtle: #9a958a;
  --border: #e7e5df;
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #eef2ff;
  --accent: #0d9488;
  --accent-light: #f0fdfa;
  --warm: #d97706;
  --warm-light: #fff7ed;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(31,29,24,0.04);
  --shadow: 0 4px 12px rgba(31,29,24,0.06);
  --shadow-lg: 0 12px 32px rgba(31,29,24,0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.5;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: #0f766e;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

/* 卡片 */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.card-body {
  padding: 24px;
}

/* 表单 */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.08);
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

/* 标签 */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-blue { background: var(--primary-light); color: var(--primary-dark); }
.badge-teal { background: var(--accent-light); color: #115e59; }
.badge-orange { background: var(--warm-light); color: #92400e; }
.badge-gray { background: #f3f4f6; color: #4b5563; }
.badge-green { background: #dcfce7; color: #166534; }
.badge-yellow { background: #fef9c3; color: #854d0e; }

/* 页面通用标题区 */
.page-hero {
  padding: 64px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  margin: 0 0 16px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}
.page-hero p {
  margin: 0;
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
}

/* 内容页排版 */
.content-page h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--text);
}
.content-page h3 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--text);
}
.content-page p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--text-muted);
}
.content-page ul,
.content-page ol {
  margin: 0 0 16px 20px;
  padding-left: 8px;
  color: var(--text-muted);
}
.content-page li {
  margin-bottom: 10px;
  line-height: 1.7;
}

/* 节标题 */
.section-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text);
}
.section-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
}

/* 图标容器 */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.icon-box svg {
  width: 24px;
  height: 24px;
}

/* 定价卡片 */
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

/* 响应式 */
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .page-hero { padding: 48px 0; }
  .page-hero h1 { font-size: 28px; }
  .section-title { font-size: 24px; }
}

/* ============ 头部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,250,248,0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-logo {
  width: 36px;
  height: 36px;
  display: block;
  border-radius: 9px;
  overflow: hidden;
}
.brand-logo svg { width: 100%; height: 100%; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 16px; font-weight: 700; color: var(--text); }
.brand-text span { font-size: 11px; color: var(--text-subtle); }

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.is-active { color: var(--primary); font-weight: 600; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-login {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
}
.header-login:hover { color: var(--primary); }
.header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--primary-light);
}
.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 8px 16px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  padding: 12px 8px;
  font-size: 16px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

@media (max-width: 1024px) {
  .header-nav, .header-actions { display: none; }
  .mobile-toggle { display: inline-flex; }
  .header-inner { height: 56px; }
}

/* ============ 底部 ============ */
.site-footer {
  background: #1f1d18;
  color: #c7c2b5;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 64px 24px 48px;
}
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text span { color: #9a958a; }
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin: 20px 0 12px;
  color: #9a958a;
  max-width: 320px;
}
.footer-meta { font-size: 13px; color: #6b6860; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 4px;
}
.footer-col a, .footer-col span {
  font-size: 14px;
  color: #9a958a;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #3a382f;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #6b6860;
}
.footer-bottom-inner a:hover { color: #fff; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ============ 通用页面工具 ============ */
.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .section-subtitle { margin: 0 auto; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-8 { margin-top: 32px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.gap-4 { gap: 16px; }

/* ============ 首页 Hero ============ */
.hero { padding: 72px 0 64px; background: var(--bg); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-copy { max-width: 560px; }
.hero-title {
  margin: 20px 0 20px;
  font-size: 44px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 32px;
  max-width: 520px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
}
.hero-trust strong { color: var(--text); font-weight: 700; }
.hero-trust .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-subtle); }

.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }

.hero-visual { position: relative; }
.visual-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.visual-card svg { width: 100%; height: auto; display: block; }
.float-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.chip-dot { width: 8px; height: 8px; border-radius: 50%; }
.chip-1 { top: 24px; right: -16px; }
.chip-2 { bottom: 28px; left: -20px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 32px; }
  .chip-1, .chip-2 { display: none; }
}

/* ============ 服务卡 ============ */
.service-card { display: block; }
.service-card h3 { font-size: 20px; font-weight: 700; margin: 0 0 8px; color: var(--text); }
.service-card p { margin: 0 0 16px; font-size: 15px; }
.link-more {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}
.icon-box.sm { width: 40px; height: 40px; margin-bottom: 12px; }

/* ============ 为什么选择 ============ */
.features { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.features-layout { gap: 56px; align-items: center; }
.feature-list { display: flex; flex-direction: column; gap: 24px; margin-top: 8px; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-item h4 { margin: 0 0 4px; font-size: 16px; font-weight: 600; color: var(--text); }
.feature-item p { margin: 0; font-size: 14px; }
.feature-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card { text-align: center; }
.stat-num { font-size: 36px; font-weight: 700; line-height: 1; margin-bottom: 8px; }

@media (max-width: 900px) {
  .features-layout { grid-template-columns: 1fr; }
}

/* ============ 资讯卡 ============ */
.news-card { display: flex; flex-direction: column; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.news-date { font-size: 13px; color: var(--text-subtle); }
.news-title { font-size: 18px; font-weight: 700; line-height: 1.4; margin: 0 0 10px; color: var(--text); }
.news-card p { font-size: 14px; margin: 0 0 20px; }
.news-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; font-size: 13px; }

/* ============ 定价 ============ */
.pricing-card h3 { margin: 0; font-size: 20px; font-weight: 700; }
.price { margin: 20px 0 20px; display: flex; align-items: baseline; gap: 4px; }
.price-num { font-size: 40px; font-weight: 700; color: var(--text); }
.price-cur { font-size: 20px; font-weight: 600; color: var(--text-muted); }
.price-unit { font-size: 15px; color: var(--text-muted); }
.price-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.price-list li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  color: var(--text-muted);
}
.price-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 18px; height: 18px;
  background: var(--accent-light);
  border-radius: 50%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230d9488' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
}

/* ============ CTA ============ */
.btn-lg { padding: 14px 32px; font-size: 16px; }
.cta-band { background: var(--primary); }
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 56px 24px;
  flex-wrap: wrap;
}
.cta-band h2 { margin: 0 0 8px; font-size: 28px; font-weight: 700; color: #fff; }
.cta-band p { margin: 0; color: rgba(255,255,255,0.85); font-size: 16px; }
.cta-band .btn-primary { background: #fff; color: var(--primary); }
.cta-band .btn-primary:hover { background: #f3f4f6; }

/* ============ 筛选条 ============ */
.filter-bar { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 64px; z-index: 20; }
@media (max-width: 1024px) { .filter-bar { top: 56px; } }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 24px; }
.filter-btn {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover { color: var(--primary); border-color: var(--primary); }
.filter-btn.is-active { background: var(--primary); border-color: var(--primary); color: #fff; }

.empty-state { grid-column: 1 / -1; text-align: center; padding: 64px 0; color: var(--text-subtle); }

/* ============ 两栏布局 ============ */
.layout-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.layout-2-3 { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 900px) { .layout-2, .layout-2-3 { grid-template-columns: 1fr; } }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.panel-title { display: flex; align-items: center; gap: 12px; font-size: 20px; font-weight: 700; margin: 0 0 24px; color: var(--text); }

.field { margin-bottom: 20px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.list-item { padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; }
.list-item-title { font-weight: 600; color: var(--text); margin-bottom: 6px; }
.list-item-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-subtle); }

.empty-card { text-align: center; padding: 40px 16px; color: var(--text-subtle); }

/* 提示横幅 */
.callout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: var(--primary-light);
  border: 1px solid #e0e7ff;
  border-radius: var(--radius-lg);
}
.callout .icon-box { margin-bottom: 0; flex-shrink: 0; }
.callout h3 { margin: 0 0 8px; font-size: 18px; color: var(--text); }
.callout p { margin: 0; color: var(--text-muted); }

/* 服务小卡 */
.service-mini { padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); }
.service-mini h4 { margin: 0 0 6px; font-size: 16px; color: var(--text); }
.service-mini p { margin: 0; font-size: 14px; }
.service-mini .icon-box { width: 44px; height: 44px; }

/* 会员头像卡 */
.profile-card { display: flex; align-items: center; gap: 16px; }
.profile-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--primary); color: #fff;
  font-size: 24px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.profile-info strong { font-size: 18px; color: var(--text); }
.profile-info .text-muted { font-size: 13px; }

/* 模态框 */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(31,29,24,0.45);
  display: none; align-items: center; justify-content: center; padding: 16px;
}
.modal-mask.open { display: flex; }
.modal-box {
  background: var(--surface); border-radius: var(--radius-lg);
  max-width: 420px; width: 100%; padding: 32px; box-shadow: var(--shadow-lg);
  text-align: center;
}
.modal-close { float: right; cursor: pointer; color: var(--text-subtle); background: none; border: none; font-size: 22px; }
.qr-placeholder {
  width: 180px; height: 180px; margin: 16px auto;
  border: 2px dashed var(--border); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  color: var(--text-subtle); font-size: 13px;
}

/* 复选/单选组 */
.check-group { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 600px) { .check-group { grid-template-columns: 1fr; } }
.check-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  cursor: pointer; font-size: 14px; transition: border-color 0.2s;
}
.check-item:hover { border-color: var(--primary); }
.check-item input { width: 18px; height: 18px; accent-color: var(--primary); }

.radio-group { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
@media (max-width: 600px) { .radio-group { grid-template-columns: 1fr; } }
.radio-item {
  display: block; cursor: pointer; text-align: center;
  padding: 14px 10px; border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color 0.2s, background 0.2s;
}
.radio-item input { display: none; }
.radio-item div { display: flex; flex-direction: column; gap: 4px; }
.radio-item strong { font-size: 15px; color: var(--text); }
.radio-item span { font-size: 12px; color: var(--text-subtle); }
.radio-item:has(input:checked) { border-color: var(--primary); background: var(--primary-light); }
.radio-item:has(input:checked) strong { color: var(--primary); }

/* 会员中心升级卡 */
.level-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 700px) { .level-grid { grid-template-columns: 1fr; } }
.level-card { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.level-card.current { border-color: var(--primary); background: var(--primary-light); }
.level-name { font-size: 14px; color: var(--text-muted); margin-bottom: 6px; }
.level-price { font-size: 26px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.level-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }

/* ============ 关于页：联系方式列表 ============ */
.contact-list { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: center; gap: 14px; }
.contact-item .icon-box.sm { margin-bottom: 0; flex-shrink: 0; }
.contact-label { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.contact-item .text-muted { font-size: 14px; line-height: 1.5; }

/* ============ 关于页：产品矩阵行 ============ */
.product-row { display: flex; align-items: center; gap: 20px; }
.product-badge {
  width: 56px; height: 56px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 26px; font-weight: 700; flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.product-row h3 { margin: 0 0 4px; font-size: 18px; color: var(--text); }
.product-row p { margin: 0; font-size: 14px; }

/* ============ 合规/法律文档页 ============ */
.doc-article {
  max-width: 880px; margin: 0 auto;
}
.doc-article h2 {
  font-size: 20px; font-weight: 700; color: var(--text);
  margin: 36px 0 14px;
}
.doc-article h2:first-child { margin-top: 0; }
.doc-article h3 {
  font-size: 16px; font-weight: 600; color: var(--text);
  margin: 22px 0 10px;
}
.doc-article p { font-size: 15px; line-height: 1.85; color: var(--text-muted); margin: 0 0 14px; }
.doc-article ul, .doc-article ol { margin: 0 0 16px; padding-left: 22px; }
.doc-article li { font-size: 15px; line-height: 1.85; color: var(--text-muted); margin-bottom: 8px; }
.doc-article strong { color: var(--text); font-weight: 600; }
.doc-meta {
  font-size: 13px; color: var(--text-subtle);
  padding-bottom: 20px; border-bottom: 1px solid var(--border); margin-bottom: 28px;
}
.doc-update { margin-top: 36px; padding: 20px; background: var(--primary-light); border-radius: var(--radius); font-size: 14px; color: var(--text-muted); }

/* 通用有序步骤列表（投诉/流程） */
.doc-steps { margin: 0; padding-left: 22px; }
.doc-steps li { font-size: 14px; line-height: 1.8; color: var(--text-muted); margin-bottom: 10px; }
.doc-steps li strong { color: var(--text); font-weight: 600; }

/* 登录/注册切换容器（会员中心，登录优先，底部链接切换） */
.auth-wrap { max-width: 480px; margin: 0 auto; }
.auth-switch { text-align: center; margin: 20px 0 0; font-size: 14px; color: var(--text-muted); }
.auth-switch a { color: var(--primary); font-weight: 600; text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }