/* ============================================
   蜜芽 - 原创样式表 (Yandex SEO优化版)
   品牌：蜜芽 | 域名：zazeng.cn
   定位：国内影视传媒公司 + 视频社区
   ============================================ */

/* === 基础重置与全局变量 === */
:root {
  --tx-primary: #E8456B;
  --tx-secondary: #FF7E9D;
  --tx-accent: #6C3CE0;
  --tx-dark: #1A1A2E;
  --tx-card: #16213E;
  --tx-card-hover: #1E2D4A;
  --tx-text: #FFFFFF;
  --tx-text-muted: #B0B8C8;
  --tx-border: rgba(255,255,255,0.08);
  --tx-gradient: linear-gradient(135deg, #E8456B, #6C3CE0);
  --tx-gradient-h: linear-gradient(90deg, #E8456B, #6C3CE0);
  --tx-shadow: 0 4px 24px rgba(0,0,0,0.3);
  --tx-radius: 12px;
  --tx-radius-sm: 8px;
  --tx-transition: all 0.3s ease;
  --tx-max-width: 1280px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--tx-dark);
  color: var(--tx-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--tx-secondary);
  text-decoration: none;
  transition: var(--tx-transition);
}

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

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

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

/* === 顶部导航栏 === */
.tx-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}

.tx-header.scrolled {
  background: rgba(26, 26, 46, 0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.tx-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--tx-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.tx-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.tx-logo img {
  height: 38px;
  width: auto;
}

.tx-nav-links {
  display: flex;
  list-style: none;
  gap: 6px;
  align-items: center;
}

.tx-nav-links li a {
  display: block;
  padding: 8px 16px;
  color: var(--tx-text-muted);
  font-size: 0.9rem;
  border-radius: var(--tx-radius-sm);
  transition: var(--tx-transition);
  white-space: nowrap;
}

.tx-nav-links li a:hover,
.tx-nav-links li a.active {
  color: var(--tx-text);
  background: rgba(232, 69, 107, 0.15);
}

.tx-nav-links li a.active {
  color: var(--tx-primary);
}

/* 移动端菜单按钮 */
.tx-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.tx-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--tx-text);
  border-radius: 2px;
  transition: var(--tx-transition);
}

/* === 搜索框 === */
.tx-search-bar {
  background: var(--tx-card);
  padding: 14px 0;
  border-bottom: 1px solid var(--tx-border);
  margin-top: 68px;
}

.tx-search-wrap {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  gap: 0;
  padding: 0 20px;
}

.tx-search-input {
  flex: 1;
  padding: 12px 20px;
  border: 2px solid rgba(232, 69, 107, 0.3);
  border-right: none;
  border-radius: var(--tx-radius) 0 0 var(--tx-radius);
  background: rgba(255,255,255,0.05);
  color: var(--tx-text);
  font-size: 0.95rem;
  outline: none;
  transition: var(--tx-transition);
}

.tx-search-input:focus {
  border-color: var(--tx-primary);
  background: rgba(255,255,255,0.08);
}

.tx-search-input::placeholder {
  color: var(--tx-text-muted);
}

.tx-search-btn {
  padding: 12px 28px;
  background: var(--tx-gradient);
  color: #fff;
  border: none;
  border-radius: 0 var(--tx-radius) var(--tx-radius) 0;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--tx-transition);
  white-space: nowrap;
}

.tx-search-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* === Hero Banner === */
.tx-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--tx-dark);
}

.tx-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
  transform: scale(1.05);
}

.tx-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26,26,46,0.3) 0%, rgba(26,26,46,0.85) 100%);
}

.tx-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px 20px;
  max-width: 800px;
}

.tx-hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.tx-hero-content h1 .highlight,
.tx-section-header h2 .highlight,
.tx-section-header h3 .highlight {
  background: var(--tx-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tx-hero-content p {
  font-size: 1.15rem;
  color: var(--tx-text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.tx-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 32px;
}

.tx-hero-tags span {
  padding: 6px 16px;
  background: rgba(232, 69, 107, 0.15);
  border: 1px solid rgba(232, 69, 107, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--tx-secondary);
}

.tx-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--tx-gradient);
  color: #fff;
  border: none;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--tx-transition);
  text-decoration: none;
}

.tx-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 69, 107, 0.4);
  color: #fff;
}

.tx-btn-outline {
  background: transparent;
  border: 2px solid var(--tx-primary);
  color: var(--tx-primary);
}

.tx-btn-outline:hover {
  background: var(--tx-gradient);
  border-color: transparent;
  color: #fff;
}

.tx-btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
  border-radius: 20px;
}

/* === 通用板块标题 === */
.tx-section {
  padding: 70px 0;
}

.tx-section-alt {
  background: rgba(22, 33, 62, 0.5);
}

.tx-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.tx-section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.tx-section-header h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.tx-section-header p {
  color: var(--tx-text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.tx-section-header .tx-line {
  width: 60px;
  height: 3px;
  background: var(--tx-gradient);
  margin: 16px auto 0;
  border-radius: 2px;
}

/* === 视频卡片网格 === */
.tx-video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tx-video-card {
  background: var(--tx-card);
  border-radius: var(--tx-radius);
  overflow: hidden;
  transition: var(--tx-transition);
  border: 1px solid var(--tx-border);
}

.tx-video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(232, 69, 107, 0.2);
  border-color: rgba(232, 69, 107, 0.3);
}

.tx-video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  cursor: pointer;
}

.tx-video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.tx-video-card:hover .tx-video-thumb img {
  transform: scale(1.08);
}

.tx-video-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: var(--tx-transition);
}

.tx-video-thumb:hover .tx-video-play {
  opacity: 1;
}

.tx-play-icon {
  width: 56px;
  height: 56px;
  background: var(--tx-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(232, 69, 107, 0.5);
  transition: var(--tx-transition);
}

.tx-play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}

.tx-video-thumb:hover .tx-play-icon {
  transform: scale(1.1);
}

.tx-video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tx-video-live {
  position: absolute;
  top: 8px;
  left: 8px;
  background: #FF3B3B;
  color: #fff;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  animation: tx-pulse 2s infinite;
}

@keyframes tx-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.tx-video-info {
  padding: 14px;
}

.tx-video-info h3,
.tx-video-info h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tx-video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--tx-text-muted);
}

.tx-video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tx-video-tags {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.tx-video-tags span {
  padding: 2px 8px;
  background: rgba(108, 60, 224, 0.15);
  border-radius: 10px;
  font-size: 0.7rem;
  color: #A78BFA;
}

/* === 特色模块网格 === */
.tx-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tx-feature-grid-6 {
  grid-template-columns: repeat(3, 1fr);
}

.tx-feature-card {
  background: var(--tx-card);
  border-radius: var(--tx-radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}

.tx-feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 69, 107, 0.3);
  box-shadow: var(--tx-shadow);
}

.tx-feature-icon {
  width: 64px;
  height: 64px;
  background: var(--tx-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
}

.tx-feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.tx-feature-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.tx-feature-card p {
  color: var(--tx-text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* === 专家展示 === */
.tx-expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tx-expert-card {
  background: var(--tx-card);
  border-radius: var(--tx-radius);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}

.tx-expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--tx-shadow);
}

.tx-expert-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--tx-primary);
}

.tx-expert-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.tx-expert-card .tx-role {
  color: var(--tx-primary);
  font-size: 0.82rem;
  margin-bottom: 10px;
}

.tx-expert-card p {
  color: var(--tx-text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
  margin-bottom: 14px;
}

.tx-expert-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}

/* === 行业荣誉与奖项 (EEAT) === */
.tx-awards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tx-award-item {
  background: var(--tx-card);
  border-radius: var(--tx-radius);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}

.tx-award-item:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 69, 107, 0.3);
  box-shadow: var(--tx-shadow);
}

.tx-award-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.tx-award-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--tx-text);
}

.tx-award-item p {
  color: var(--tx-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* === 合作品牌Logo墙 === */
.tx-partner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  align-items: center;
}

.tx-partner-item {
  background: var(--tx-card);
  border: 1px solid var(--tx-border);
  border-radius: var(--tx-radius-sm);
  padding: 20px 32px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--tx-text-muted);
  transition: var(--tx-transition);
  min-width: 160px;
  text-align: center;
}

.tx-partner-item:hover {
  border-color: var(--tx-primary);
  color: var(--tx-text);
  transform: scale(1.05);
}

/* === 用户评论 === */
.tx-review-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tx-review-card {
  background: var(--tx-card);
  border-radius: var(--tx-radius);
  padding: 24px;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}

.tx-review-card:hover {
  border-color: rgba(232, 69, 107, 0.3);
}

.tx-review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.tx-review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--tx-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.tx-review-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.tx-review-date {
  font-size: 0.78rem;
  color: var(--tx-text-muted);
}

.tx-review-stars {
  color: #FFB800;
  font-size: 0.85rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.tx-review-card p {
  color: var(--tx-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* === FAQ 手风琴 === */
.tx-faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.tx-faq-item {
  background: var(--tx-card);
  border: 1px solid var(--tx-border);
  border-radius: var(--tx-radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.tx-faq-q {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--tx-transition);
}

.tx-faq-q:hover {
  color: var(--tx-primary);
}

.tx-faq-q::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--tx-primary);
  transition: var(--tx-transition);
  flex-shrink: 0;
  margin-left: 12px;
}

.tx-faq-item.open .tx-faq-q::after {
  content: '\2212';
}

.tx-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.tx-faq-item.open .tx-faq-a {
  max-height: 300px;
}

.tx-faq-a-inner {
  padding: 0 24px 18px;
  color: var(--tx-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* === How-To 指南 === */
.tx-howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.tx-howto-step {
  background: var(--tx-card);
  border-radius: var(--tx-radius);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--tx-border);
  position: relative;
  counter-increment: step;
}

.tx-howto-step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--tx-gradient);
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 16px;
}

.tx-howto-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.tx-howto-step p {
  color: var(--tx-text-muted);
  font-size: 0.85rem;
}

/* === 联系我们 === */
.tx-contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.tx-contact-info {
  background: var(--tx-card);
  border-radius: var(--tx-radius);
  padding: 32px;
  border: 1px solid var(--tx-border);
}

.tx-contact-info h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--tx-border);
}

.tx-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--tx-text-muted);
}

.tx-contact-item strong {
  color: var(--tx-text);
  min-width: 80px;
}

.tx-qrcode-grid {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.tx-qrcode-item {
  text-align: center;
}

.tx-qrcode-item img {
  width: 140px;
  height: 140px;
  border-radius: var(--tx-radius-sm);
  margin-bottom: 8px;
}

.tx-qrcode-item p {
  font-size: 0.82rem;
  color: var(--tx-text-muted);
}

/* === 社交分享 === */
.tx-share-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.tx-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  color: #fff;
  transition: var(--tx-transition);
  cursor: pointer;
  border: none;
}

.tx-share-btn:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.tx-share-wechat { background: #07C160; }
.tx-share-weibo { background: #E6162D; }
.tx-share-douyin { background: #161823; border: 1px solid #333; }
.tx-share-bilibili { background: #00A1D6; }

/* === 页脚 === */
.tx-footer {
  background: #0D0D1A;
  border-top: 1px solid var(--tx-border);
  padding: 48px 0 0;
}

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

.tx-footer-brand p {
  color: var(--tx-text-muted);
  font-size: 0.88rem;
  margin-top: 12px;
  line-height: 1.6;
}

.tx-footer h5 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--tx-text);
}

.tx-footer-links {
  list-style: none;
}

.tx-footer-links li {
  margin-bottom: 10px;
}

.tx-footer-links li a {
  color: var(--tx-text-muted);
  font-size: 0.85rem;
  transition: var(--tx-transition);
}

.tx-footer-links li a:hover {
  color: var(--tx-primary);
  padding-left: 4px;
}

.tx-footer-bottom {
  border-top: 1px solid var(--tx-border);
  padding: 20px 0;
  text-align: center;
  color: var(--tx-text-muted);
  font-size: 0.82rem;
}

.tx-footer-bottom a {
  color: var(--tx-primary);
}

/* === 面包屑导航 === */
.tx-breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--tx-text-muted);
  margin-top: 68px;
}

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

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

.tx-breadcrumb span {
  margin: 0 8px;
  color: rgba(255,255,255,0.3);
}

/* === 数据统计条 === */
.tx-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 40px 0;
}

.tx-stat-item {
  text-align: center;
}

.tx-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--tx-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tx-stat-label {
  color: var(--tx-text-muted);
  font-size: 0.88rem;
  margin-top: 4px;
}

/* === 社区功能卡片 === */
.tx-community-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tx-community-card {
  display: flex;
  gap: 20px;
  background: var(--tx-card);
  border-radius: var(--tx-radius);
  padding: 24px;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}

.tx-community-card:hover {
  border-color: rgba(232, 69, 107, 0.3);
  transform: translateY(-3px);
}

.tx-community-card img {
  width: 200px;
  height: 130px;
  object-fit: cover;
  border-radius: var(--tx-radius-sm);
  flex-shrink: 0;
}

.tx-community-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.tx-community-card p {
  color: var(--tx-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* === 内页通用 === */
.tx-page-hero {
  padding: 100px 0 50px;
  text-align: center;
  background: linear-gradient(180deg, rgba(232, 69, 107, 0.1) 0%, transparent 100%);
}

.tx-page-hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.tx-page-hero p {
  color: var(--tx-text-muted);
  font-size: 1rem;
}

.tx-page-content {
  padding: 40px 0 80px;
}

/* === 地图嵌入 === */
.tx-map-container {
  width: 100%;
  height: 300px;
  border-radius: var(--tx-radius);
  overflow: hidden;
  border: 1px solid var(--tx-border);
  margin-top: 24px;
  background: var(--tx-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tx-text-muted);
  font-size: 0.9rem;
}

/* === 隐私政策/服务条款页面 === */
.tx-legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.tx-legal-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
  color: var(--tx-text);
}

.tx-legal-content h3 {
  font-size: 1.2rem;
  margin: 24px 0 12px;
  color: var(--tx-text);
}

.tx-legal-content p {
  color: var(--tx-text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
  .tx-video-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .tx-expert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tx-awards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tx-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tx-howto-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .tx-feature-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .tx-menu-btn {
    display: flex;
  }
  
  .tx-nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.98);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid var(--tx-border);
  }
  
  .tx-nav-links.open {
    display: flex;
  }
  
  .tx-nav-links li a {
    padding: 12px 16px;
    font-size: 14px;
  }
  
  .tx-hero-content h1 {
    font-size: 1.8rem;
  }
  
  .tx-video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .tx-feature-grid,
  .tx-feature-grid-6 {
    grid-template-columns: 1fr;
  }
  
  .tx-expert-grid {
    grid-template-columns: 1fr;
  }
  
  .tx-awards-grid {
    grid-template-columns: 1fr;
  }
  
  .tx-review-grid {
    grid-template-columns: 1fr;
  }
  
  .tx-contact-grid {
    grid-template-columns: 1fr;
  }
  
  .tx-community-grid {
    grid-template-columns: 1fr;
  }
  
  .tx-community-card {
    flex-direction: column;
  }
  
  .tx-community-card img {
    width: 100%;
    height: 180px;
  }
  
  .tx-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tx-footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .tx-section {
    padding: 40px 0;
  }
  
  .tx-section-header h2 {
    font-size: 1.5rem;
  }
  
  .tx-howto-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .tx-video-grid {
    grid-template-columns: 1fr;
  }
  
  .tx-hero-content h1 {
    font-size: 1.5rem;
  }
  
  .tx-stat-num {
    font-size: 1.6rem;
  }
}

/* === 懒加载占位 === */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.4s ease;
}

img[loading="lazy"].loaded,
img.loaded {
  opacity: 1;
}

/* === 滚动动画 === */
.tx-fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.tx-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}