/**
 * 号码查询平台 - 商务简洁风格
 * 配色方案：深蓝主色 + 白色背景 + 灰色辅助
 */

/* ========== 基础样式 ========== */
:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary: #6b7280;
  --accent: #f59e0b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #ffffff;
  --bg-gray: #f9fafb;
  --bg-dark: #111827;
  --text: #1f2937;
  --text-light: #6b7280;
  --text-white: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--primary-dark);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== 头部导航 ========== */
.header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.logo-icon {
  font-size: 28px;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav-link {
  color: var(--text);
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ========== 搜索横幅 ========== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  padding: 60px 0;
  text-align: center;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.search-form {
  display: flex;
  max-width: 560px;
  margin: 0 auto 24px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.search-input {
  flex: 1;
  padding: 16px 20px;
  border: none;
  font-size: 16px;
  outline: none;
}

.search-btn {
  padding: 16px 32px;
  background: var(--primary);
  color: var(--text-white);
  border: none;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.search-btn:hover {
  background: var(--primary-dark);
}

.quick-links {
  font-size: 14px;
  opacity: 0.8;
}

.quick-links a {
  color: var(--text-white);
  margin: 0 8px;
}

.quick-links a:hover {
  text-decoration: underline;
}

/* ========== 主内容区域 ========== */
.main {
  padding: 40px 0;
  min-height: 60vh;
}

/* ========== 统计区域 ========== */
.stats-section {
  margin-bottom: 40px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-item {
  background: var(--bg-gray);
  padding: 24px;
  border-radius: var(--radius);
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  display: block;
  color: var(--text-light);
  margin-top: 4px;
}

/* ========== 区块标题 ========== */
.section {
  margin-bottom: 48px;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

.section-more {
  text-align: right;
  margin-top: 16px;
}

/* ========== 城市网格 ========== */
.city-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.city-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  transition: all 0.2s;
}

.city-card:hover {
  background: var(--primary);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.city-name {
  font-weight: 600;
  font-size: 16px;
}

.city-count {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.city-card:hover .city-count {
  color: rgba(255,255,255,0.8);
}

/* ========== 靓号卡片 ========== */
.number-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.number-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s;
}

.number-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.number-phone {
  font-size: 18px;
  font-weight: 700;
  font-family: "SF Mono", Monaco, monospace;
  color: var(--text);
  letter-spacing: 1px;
}

.number-info {
  font-size: 12px;
  color: var(--text-light);
  margin: 8px 0;
}

.number-price {
  font-size: 14px;
  font-weight: 600;
  color: var(--danger);
}

.number-card.premium {
  border-color: var(--accent);
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
}

/* ========== 工具卡片 ========== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 20px;
  background: var(--bg-gray);
  border-radius: var(--radius-lg);
  transition: all 0.2s;
}

.tool-card:hover {
  background: var(--primary);
  color: var(--text-white);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.tool-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.tool-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.tool-desc {
  font-size: 14px;
  opacity: 0.8;
}

/* ========== 工具页 ========== */
.tools-hero {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  color: var(--text-white);
  padding: 48px 0;
  text-align: center;
  margin-bottom: 40px;
}

.tools-hero h1 {
  font-size: 32px;
  margin-bottom: 12px;
}

.tools-hero p {
  font-size: 16px;
  opacity: 0.9;
}

.tools-form {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  gap: 12px;
}

.tools-form input {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}

.tools-form input:focus {
  border-color: var(--primary);
}

.tools-form button {
  padding: 14px 28px;
  background: var(--primary);
  color: var(--text-white);
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.tools-form button:hover {
  background: var(--primary-dark);
}

/* ========== 结果展示 ========== */
.result-card {
  max-width: 800px;
  margin: 40px auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.result-header {
  background: var(--primary);
  color: var(--text-white);
  padding: 24px;
  text-align: center;
}

.result-phone {
  font-size: 36px;
  font-weight: 700;
  font-family: "SF Mono", Monaco, monospace;
  letter-spacing: 2px;
}

.result-body {
  padding: 32px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.result-item {
  display: flex;
  flex-direction: column;
  padding: 16px;
  background: var(--bg-gray);
  border-radius: var(--radius);
}

.result-label {
  font-size: 12px;
  color: var(--text-light);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.result-value {
  font-size: 18px;
  font-weight: 600;
}

/* ========== 号段页 ========== */
.segment-header {
  background: var(--bg-gray);
  padding: 32px;
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}

.segment-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.segment-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--text-light);
}

.segment-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.segment-update {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-light);
}

.segment-range {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin-bottom: 32px;
}

.segment-range h2 {
  font-size: 20px;
  margin-bottom: 20px;
}

.range-display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-bottom: 16px;
}

.range-number {
  font-size: 24px;
  font-weight: 700;
  font-family: "SF Mono", Monaco, monospace;
  color: var(--primary);
}

.range-arrow {
  font-size: 32px;
  color: var(--text-light);
}

.range-note {
  color: var(--text-light);
}

/* ========== 内容区块 ========== */
.content-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.content-block h3 {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.content-block p {
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 12px;
}

.market-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.market-item {
  background: var(--bg-gray);
  padding: 16px;
  border-radius: var(--radius);
  text-align: center;
}

.market-label {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.market-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
}

.tips-list {
  list-style: none;
}

.tips-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.tips-list li:last-child {
  border-bottom: none;
}

/* ========== 靓号商城 ========== */
.filter-bar {
  background: var(--bg-gray);
  padding: 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.filter-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-group label {
  font-size: 14px;
  color: var(--text-light);
}

.filter-group select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
}

.filter-group select:focus {
  border-color: var(--primary);
}

/* ========== 页码 ========== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
}

.pagination a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination .active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-white);
}

/* ========== 详情页 ========== */
.number-hero {
  text-align: center;
  padding: 48px 0;
  background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}

.big-phone {
  display: block;
  font-size: 56px;
  font-weight: 700;
  font-family: "SF Mono", Monaco, monospace;
  letter-spacing: 4px;
  color: var(--primary);
  margin-bottom: 16px;
}

.number-quick-info {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.info-tag {
  padding: 6px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  color: var(--text-light);
}

/* ========== 评估卡片 ========== */
.eval-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.eval-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.eval-card h3 {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.rating-card {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-color: var(--primary-light);
}

.rating-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
}

.rating-stars {
  display: block;
  font-size: 24px;
  color: var(--accent);
  margin-top: 8px;
}

.fortune-card {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-color: var(--accent);
}

.fortune-result {
  margin-bottom: 12px;
}

.fortune-text {
  font-size: 32px;
  font-weight: 700;
}

.fortune-text.吉 { color: var(--success); }
.fortune-text.凶 { color: var(--danger); }
.fortune-text.平 { color: var(--secondary); }

.price-card {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  border-color: var(--success);
}

.price-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--danger);
}

/* ========== 详细信息 ========== */
.detail-section {
  margin-bottom: 40px;
}

.detail-section h2 {
  font-size: 24px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

.detail-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.detail-block h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.info-item {
  padding: 16px;
  background: var(--bg-gray);
  border-radius: var(--radius);
}

.info-label {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.info-value {
  font-size: 16px;
  font-weight: 600;
}

.pattern-display {
  text-align: center;
}

.pattern-badge {
  display: inline-block;
  padding: 12px 32px;
  font-size: 24px;
  font-weight: 700;
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.pattern-badge.AAAA { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #b45309; }
.pattern-badge.AAA { background: #dbeafe; color: #1d4ed8; }
.pattern-badge.AABB { background: #dcfce7; color: #15803d; }
.pattern-badge.ABAB { background: #f3e8ff; color: #7c3aed; }
.pattern-badge.ABCD { background: #e0e7ff; color: #4338ca; }
.pattern-badge.AA { background: #fce7f3; color: #be185d; }
.pattern-badge.普通 { background: var(--bg-gray); color: var(--text); }

.memory-score {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
}

/* ========== 操作按钮 ========== */
.action-section {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.action-btn {
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.action-btn.primary {
  background: var(--primary);
  color: var(--text-white);
}

.action-btn.primary:hover {
  background: var(--primary-dark);
}

.action-btn.secondary {
  background: var(--bg-gray);
  color: var(--text);
  border: 1px solid var(--border);
}

.action-btn.secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ========== 关于页 ========== */
.about-hero {
  text-align: center;
  padding: 60px 0;
  background: var(--bg-gray);
  border-radius: var(--radius-lg);
  margin-bottom: 40px;
}

.about-hero h1 {
  font-size: 36px;
  margin-bottom: 16px;
}

.about-hero p {
  font-size: 18px;
  color: var(--text-light);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-section {
  margin-bottom: 40px;
}

.about-section h2 {
  font-size: 24px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

/* ========== 面包屑 ========== */
.breadcrumb {
  background: var(--bg-gray);
  padding: 12px 0;
  font-size: 14px;
}

.breadcrumb a {
  color: var(--text-light);
}

.breadcrumb a:hover {
  color: var(--primary);
}

/* ========== 广告位 ========== */
.ad-banner,
.ad-native {
  margin: 24px 0;
  text-align: center;
}

.ad-placeholder {
  background: var(--bg-gray);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  color: var(--text-light);
  font-size: 14px;
}

.ad-banner .ad-placeholder {
  min-height: 90px;
}

.ad-native .ad-placeholder {
  min-height: 200px;
}

/* ========== 页脚 ========== */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 60px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  font-size: 16px;
  margin-bottom: 16px;
}

.footer-section p {
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 8px;
}

.footer-section a {
  color: rgba(255,255,255,0.7);
}

.footer-section a:hover {
  color: var(--text-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  color: rgba(255,255,255,0.5);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

.ad-banner-footer {
  background: var(--bg-gray);
  padding: 16px 0;
  text-align: center;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .city-grid { grid-template-columns: repeat(4, 1fr); }
  .number-grid { grid-template-columns: repeat(4, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-content { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .hero-title { font-size: 28px; }
  .search-form { flex-direction: column; }
  .search-btn { width: 100%; }
  .city-grid { grid-template-columns: repeat(3, 1fr); }
  .number-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: 1fr; }
  .eval-cards { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .market-info { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; }
  .big-phone { font-size: 36px; }
}

@media (max-width: 480px) {
  .container { padding: 0 12px; }
  .hero { padding: 40px 0; }
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .number-grid { grid-template-columns: 1fr; }
  .filter-row { flex-direction: column; }
  .filter-group { width: 100%; }
  .filter-group select { width: 100%; }
  .action-section { flex-direction: column; }
}

/* ========== SEO优化样式 ========== */

/* 号段范围声明 */
.range-examples {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

.range-examples strong {
  color: var(--primary);
}

/* FAQ 区域 */
.faq-section {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
}

.faq-section h2 {
  font-size: 24px;
  margin-bottom: 24px;
  color: var(--text);
}

.faq-item {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.faq-item h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 8px;
  cursor: pointer;
}

.faq-item p {
  color: var(--text-light);
  line-height: 1.8;
}

/* 尾号推荐网格优化 */
.tail-item {
  display: inline-block;
  padding: 8px 12px;
  margin: 4px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--primary);
  transition: all 0.2s;
}

.tail-item:hover {
  background: var(--primary);
  color: var(--text-white);
  transform: translateY(-2px);
}

/* 面包屑导航优化 */
.breadcrumb {
  background: var(--bg-gray);
  padding: 12px 0;
  font-size: 14px;
}

.breadcrumb a {
  color: var(--primary);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  color: var(--text-light);
}

/* 结构化数据隐藏标记（不影响视觉） */
[itemscope] {
  /* 保持正常流，不添加特殊样式 */
}

/* 号段标题优化 */
.segment-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

/* 号段元信息 */
.segment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.segment-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--text-light);
}

/* ========== 广告位样式 ========== */
.ad-banner {
  margin: 24px 0;
  padding: 16px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border);
}

.ad-banner .ad-placeholder {
  color: var(--text-light);
  font-size: 14px;
}

.ad-sidebar {
  margin: 24px 0;
  padding: 16px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  text-align: center;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border);
}

.ad-sidebar .ad-placeholder {
  color: var(--text-light);
  font-size: 14px;
}

.ad-native {
  margin: 24px 0;
  padding: 20px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  text-align: center;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border);
}

.ad-native .ad-placeholder {
  color: var(--text-light);
  font-size: 14px;
}

.ad-in-content {
  margin: 20px 0;
  padding: 16px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border);
}

.ad-in-content .ad-placeholder {
  color: var(--text-light);
  font-size: 14px;
}

/* 广告位标签 */
.ad-label {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 8px;
  text-align: center;
}

/* 相关号段优化 */
.related-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  transition: all 0.2s;
}

.related-item:hover {
  background: var(--primary);
  color: var(--text-white);
}

.related-segment {
  font-weight: 600;
  font-size: 16px;
}

.related-info {
  font-size: 14px;
  opacity: 0.8;
}