/* ============================================
   探花精选 原创样式表
   配色：暖橘 #FF6B35 + 深紫 #6C3CE0
   设计：完全原创布局与视觉体系
   ============================================ */

/* === CSS Variables === */
:root {
  --tx-orange: #FF6B35;
  --tx-orange-dark: #E55A2B;
  --tx-orange-light: #FFE0D0;
  --tx-purple: #6C3CE0;
  --tx-purple-dark: #5628B8;
  --tx-purple-light: #EDE4FF;
  --tx-gold: #FFB800;
  --tx-text-dark: #1E1B2E;
  --tx-text-mid: #5A5470;
  --tx-text-light: #9994A8;
  --tx-bg-white: #FFFFFF;
  --tx-bg-soft: #FBF8FF;
  --tx-bg-gray: #F5F3F8;
  --tx-border: #EAE5F0;
  --tx-radius: 16px;
  --tx-radius-sm: 10px;
  --tx-shadow: 0 4px 24px rgba(108, 60, 224, 0.08);
  --tx-shadow-hover: 0 8px 32px rgba(255, 107, 53, 0.15);
  --tx-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--tx-text-dark);
  background: var(--tx-bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--tx-orange); text-decoration: none; transition: var(--tx-transition); }
a:hover { color: var(--tx-purple); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--tx-text-dark); }

/* === Layout === */
.tx-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.tx-section { padding: 80px 0; }
.tx-section-alt { background: var(--tx-bg-soft); }
.tx-section-gray { background: var(--tx-bg-gray); }

/* === Top Announcement Bar === */
.tx-topbar {
  background: linear-gradient(135deg, var(--tx-purple), var(--tx-orange));
  color: #fff;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.tx-topbar a { color: #fff; font-weight: 600; text-decoration: underline; }

/* === Navbar === */
.tx-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}
.tx-navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.tx-navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.tx-logo { display: flex; align-items: center; gap: 10px; }
.tx-logo img { width: 42px; height: 42px; border-radius: 10px; }
.tx-logo-text { font-size: 22px; font-weight: 800; }
.tx-logo-text span:first-child { color: var(--tx-orange); }
.tx-logo-text span:last-child { color: var(--tx-purple); }

.tx-nav-links { display: flex; align-items: center; gap: 28px; }
.tx-nav-links a {
  color: var(--tx-text-mid);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 0;
  position: relative;
}
.tx-nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--tx-orange);
  transition: var(--tx-transition);
}
.tx-nav-links a:hover { color: var(--tx-orange); }
.tx-nav-links a:hover::after { width: 100%; }
.tx-nav-links a.active { color: var(--tx-orange); }
.tx-nav-links a.active::after { width: 100%; }

/* Search Box in Nav */
.tx-search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.tx-search-input {
  width: 200px;
  padding: 8px 36px 8px 14px;
  border: 2px solid var(--tx-border);
  border-radius: 24px;
  font-size: 13px;
  outline: none;
  transition: var(--tx-transition);
  background: var(--tx-bg-soft);
}
.tx-search-input:focus {
  border-color: var(--tx-orange);
  width: 260px;
  background: #fff;
}
.tx-search-btn {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--tx-text-light);
  font-size: 16px;
}
.tx-search-dropdown {
  display: none;
  position: absolute;
  top: 44px;
  left: 0;
  right: 0;
  background: #fff;
  border-radius: var(--tx-radius-sm);
  box-shadow: var(--tx-shadow);
  padding: 12px;
  z-index: 100;
}
.tx-search-dropdown.show { display: block; }
.tx-search-dropdown p { font-size: 13px; color: var(--tx-text-light); }
.tx-search-hot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.tx-search-hot a {
  padding: 4px 12px;
  background: var(--tx-bg-gray);
  border-radius: 14px;
  font-size: 12px;
  color: var(--tx-text-mid);
}
.tx-search-hot a:hover { background: var(--tx-orange-light); color: var(--tx-orange); }

/* Mobile Menu */
.tx-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.tx-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--tx-text-dark);
  transition: var(--tx-transition);
}
.tx-mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: #fff;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  z-index: 999;
}
.tx-mobile-menu.open { display: block; }
.tx-mobile-menu a {
  display: block;
  padding: 12px 0;
  color: var(--tx-text-dark);
  font-size: 16px;
  border-bottom: 1px solid var(--tx-border);
}

/* === Hero Section === */
.tx-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1E1B2E 0%, #2D1B4E 50%, #3D1B3E 100%);
}
.tx-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}
.tx-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,27,46,0.85), rgba(108,60,224,0.4));
}
.tx-hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 60px 0;
}
.tx-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(255,107,53,0.15);
  border: 1px solid rgba(255,107,53,0.3);
  border-radius: 20px;
  color: var(--tx-orange);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.tx-hero h1 {
  font-size: 44px;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.2;
}
.tx-hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--tx-orange), var(--tx-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tx-hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 1.8;
}
.tx-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Buttons */
.tx-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--tx-transition);
}
.tx-btn-primary {
  background: linear-gradient(135deg, var(--tx-orange), var(--tx-orange-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,107,53,0.3);
}
.tx-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,107,53,0.4);
  color: #fff;
}
.tx-btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.tx-btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}
.tx-btn-purple {
  background: linear-gradient(135deg, var(--tx-purple), var(--tx-purple-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(108,60,224,0.3);
}
.tx-btn-purple:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(108,60,224,0.4);
  color: #fff;
}

/* === Stats Bar === */
.tx-stats {
  background: var(--tx-bg-white);
  border-bottom: 1px solid var(--tx-border);
  padding: 24px 0;
}
.tx-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.tx-stat-item h3 {
  font-size: 32px;
  background: linear-gradient(135deg, var(--tx-orange), var(--tx-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tx-stat-item p { font-size: 14px; color: var(--tx-text-light); margin-top: 4px; }

/* === Danmaku / Marquee === */
.tx-danmaku {
  background: var(--tx-bg-soft);
  padding: 16px 0;
  overflow: hidden;
  border-bottom: 1px solid var(--tx-border);
}
.tx-danmaku-track {
  display: flex;
  gap: 24px;
  animation: txScroll 30s linear infinite;
  white-space: nowrap;
}
.tx-danmaku-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: #fff;
  border-radius: 20px;
  font-size: 13px;
  color: var(--tx-text-mid);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  flex-shrink: 0;
}
.tx-danmaku-item .avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tx-orange-light), var(--tx-purple-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}
@keyframes txScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === Section Headers === */
.tx-section-header {
  text-align: center;
  margin-bottom: 48px;
}
.tx-section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--tx-orange-light);
  color: var(--tx-orange);
  border-radius: 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}
.tx-section-header h2 {
  font-size: 32px;
  margin-bottom: 12px;
}
.tx-section-header h2 em {
  font-style: normal;
  color: var(--tx-orange);
}
.tx-section-subtitle {
  font-size: 16px;
  color: var(--tx-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* === Category Tabs === */
.tx-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.tx-tab {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 2px solid var(--tx-border);
  background: #fff;
  color: var(--tx-text-mid);
  transition: var(--tx-transition);
}
.tx-tab:hover, .tx-tab.active {
  background: var(--tx-orange);
  color: #fff;
  border-color: var(--tx-orange);
}

/* === Video Cards === */
.tx-video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tx-video-card {
  border-radius: var(--tx-radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--tx-shadow);
  transition: var(--tx-transition);
}
.tx-video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--tx-shadow-hover);
}
.tx-video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}
.tx-video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.tx-video-card:hover .tx-video-thumb img { transform: scale(1.06); }
.tx-video-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--tx-transition);
}
.tx-video-card:hover .tx-video-play { opacity: 1; }
.tx-video-play-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,107,53,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  box-shadow: 0 4px 20px rgba(255,107,53,0.4);
}
.tx-video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}
.tx-video-info { padding: 16px; }
.tx-video-info h4 {
  font-size: 15px;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tx-video-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--tx-text-light);
}
.tx-video-meta span { display: flex; align-items: center; gap: 4px; }
.tx-video-tags { display: flex; gap: 6px; margin-top: 8px; }
.tx-video-tag {
  padding: 2px 8px;
  background: var(--tx-bg-gray);
  border-radius: 10px;
  font-size: 11px;
  color: var(--tx-text-light);
}

/* === AI Section === */
.tx-ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tx-ai-card {
  padding: 32px 24px;
  border-radius: var(--tx-radius);
  background: #fff;
  border: 1px solid var(--tx-border);
  text-align: center;
  transition: var(--tx-transition);
}
.tx-ai-card:hover {
  border-color: var(--tx-purple);
  box-shadow: 0 8px 32px rgba(108,60,224,0.1);
  transform: translateY(-4px);
}
.tx-ai-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--tx-purple-light), var(--tx-orange-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.tx-ai-card h4 { font-size: 18px; margin-bottom: 8px; }
.tx-ai-card p { font-size: 14px; color: var(--tx-text-light); }

/* === Features Grid === */
.tx-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.tx-feature-card {
  padding: 28px 20px;
  border-radius: var(--tx-radius);
  background: #fff;
  border: 1px solid var(--tx-border);
  text-align: center;
  transition: var(--tx-transition);
}
.tx-feature-card:hover {
  border-color: var(--tx-orange);
  box-shadow: var(--tx-shadow-hover);
  transform: translateY(-4px);
}
.tx-feature-icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.tx-feature-card h5 { font-size: 16px; margin-bottom: 6px; }
.tx-feature-card p { font-size: 13px; color: var(--tx-text-light); }

/* === Experts Section === */
.tx-experts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.tx-expert-card {
  border-radius: var(--tx-radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--tx-shadow);
  text-align: center;
  transition: var(--tx-transition);
}
.tx-expert-card:hover { transform: translateY(-4px); box-shadow: var(--tx-shadow-hover); }
.tx-expert-header {
  padding: 32px 24px 16px;
  background: linear-gradient(135deg, var(--tx-purple-light), var(--tx-orange-light));
}
.tx-expert-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  margin: 0 auto;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.tx-expert-body { padding: 20px 24px 24px; }
.tx-expert-body h4 { font-size: 18px; margin-bottom: 4px; }
.tx-expert-role { color: var(--tx-orange); font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.tx-expert-body p { font-size: 13px; color: var(--tx-text-light); margin-bottom: 12px; }
.tx-expert-awards {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 16px;
}
.tx-expert-award {
  padding: 3px 10px;
  background: var(--tx-bg-gray);
  border-radius: 10px;
  font-size: 11px;
  color: var(--tx-text-mid);
}
.tx-expert-actions { display: flex; gap: 8px; justify-content: center; }
.tx-expert-actions a {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

/* === Community Section === */
.tx-community-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.tx-community-img { border-radius: var(--tx-radius); overflow: hidden; box-shadow: var(--tx-shadow); }
.tx-community-features { display: flex; flex-direction: column; gap: 16px; }
.tx-community-feat {
  display: flex;
  gap: 14px;
  padding: 16px;
  border-radius: var(--tx-radius-sm);
  background: #fff;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}
.tx-community-feat:hover { border-color: var(--tx-orange); box-shadow: var(--tx-shadow); }
.tx-community-feat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--tx-orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.tx-community-feat h5 { font-size: 15px; margin-bottom: 4px; }
.tx-community-feat p { font-size: 13px; color: var(--tx-text-light); }

/* === Partners / Brand Wall === */
.tx-partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 48px;
}
.tx-partner-logo {
  width: 140px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--tx-border);
  border-radius: var(--tx-radius-sm);
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--tx-text-light);
  transition: var(--tx-transition);
}
.tx-partner-logo:hover { border-color: var(--tx-orange); color: var(--tx-orange); }

/* How-To Steps */
.tx-howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.tx-howto-step {
  text-align: center;
  padding: 24px 16px;
  position: relative;
}
.tx-howto-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tx-orange), var(--tx-purple));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 14px;
}
.tx-howto-step h5 { font-size: 15px; margin-bottom: 6px; }
.tx-howto-step p { font-size: 13px; color: var(--tx-text-light); }

/* === FAQ === */
.tx-faq-list { max-width: 800px; margin: 0 auto; }
.tx-faq-item {
  border: 1px solid var(--tx-border);
  border-radius: var(--tx-radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--tx-transition);
}
.tx-faq-item:hover { border-color: var(--tx-orange); }
.tx-faq-question {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
}
.tx-faq-question::after {
  content: '+';
  font-size: 20px;
  color: var(--tx-orange);
  transition: var(--tx-transition);
}
.tx-faq-item.open .tx-faq-question::after { content: '−'; }
.tx-faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 14px;
  color: var(--tx-text-mid);
  line-height: 1.8;
}
.tx-faq-item.open .tx-faq-answer {
  padding: 0 24px 18px;
  max-height: 300px;
}

/* === Reviews === */
.tx-reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tx-review-card {
  padding: 24px;
  border-radius: var(--tx-radius);
  background: #fff;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}
.tx-review-card:hover { box-shadow: var(--tx-shadow); border-color: var(--tx-orange); }
.tx-review-stars { color: var(--tx-gold); font-size: 16px; margin-bottom: 10px; }
.tx-review-text { font-size: 14px; color: var(--tx-text-mid); margin-bottom: 14px; line-height: 1.7; }
.tx-review-author { display: flex; align-items: center; gap: 10px; }
.tx-review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tx-orange-light), var(--tx-purple-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--tx-orange);
}
.tx-review-name { font-size: 14px; font-weight: 600; }
.tx-review-date { font-size: 12px; color: var(--tx-text-light); }

/* === Contact Section === */
.tx-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.tx-contact-info-card {
  padding: 28px;
  border-radius: var(--tx-radius);
  background: #fff;
  border: 1px solid var(--tx-border);
  margin-bottom: 16px;
}
.tx-contact-info-card h4 { font-size: 16px; margin-bottom: 12px; color: var(--tx-purple); }
.tx-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--tx-text-mid);
}
.tx-contact-item .icon { color: var(--tx-orange); font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.tx-qrcode-wrap {
  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: 13px; color: var(--tx-text-mid); }

/* === Share Buttons === */
.tx-share-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  padding: 24px 0;
}
.tx-share-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  transition: var(--tx-transition);
  cursor: pointer;
}
.tx-share-btn:hover { transform: translateY(-3px); }
.tx-share-wechat { background: #07C160; }
.tx-share-weibo { background: #E6162D; }
.tx-share-douyin { background: #161823; }
.tx-share-bilibili { background: #00A1D6; }

/* === Footer === */
.tx-footer {
  background: var(--tx-text-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.tx-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.tx-footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 12px; }
.tx-footer h5 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.tx-footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  padding: 4px 0;
}
.tx-footer-links a:hover { color: var(--tx-orange); }
.tx-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.tx-footer-bottom a { color: rgba(255,255,255,0.5); }
.tx-footer-bottom a:hover { color: var(--tx-orange); }

/* === Breadcrumb === */
.tx-breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--tx-text-light);
}
.tx-breadcrumb a { color: var(--tx-text-mid); }
.tx-breadcrumb a:hover { color: var(--tx-orange); }
.tx-breadcrumb span { margin: 0 6px; }

/* === Page Banner === */
.tx-page-banner {
  background: linear-gradient(135deg, #1E1B2E, #3D1B4E);
  padding: 60px 0;
  text-align: center;
}
.tx-page-banner h1 { color: #fff; font-size: 36px; margin-bottom: 12px; }
.tx-page-banner p { color: rgba(255,255,255,0.7); font-size: 16px; }

/* === Animations === */
.tx-fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.tx-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .tx-video-grid { grid-template-columns: repeat(2, 1fr); }
  .tx-features-grid { grid-template-columns: repeat(2, 1fr); }
  .tx-experts-grid { grid-template-columns: repeat(2, 1fr); }
  .tx-reviews-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); }
}

@media (max-width: 768px) {
  .tx-nav-links { display: none; }
  .tx-search-box { display: none; }
  .tx-hamburger { display: flex; }
  .tx-hero h1 { font-size: 28px; }
  .tx-hero { min-height: 400px; }
  .tx-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .tx-video-grid { grid-template-columns: 1fr; }
  .tx-ai-grid { grid-template-columns: 1fr; }
  .tx-features-grid { grid-template-columns: 1fr; }
  .tx-experts-grid { grid-template-columns: 1fr; }
  .tx-community-wrap { grid-template-columns: 1fr; }
  .tx-contact-grid { grid-template-columns: 1fr; }
  .tx-reviews-grid { grid-template-columns: 1fr; }
  .tx-howto-steps { grid-template-columns: 1fr; }
  .tx-footer-grid { grid-template-columns: 1fr; }
  .tx-section { padding: 48px 0; }
  .tx-section-header h2 { font-size: 24px; }
}

@media (max-width: 480px) {
  .tx-hero-content { padding: 40px 0; }
  .tx-hero h1 { font-size: 24px; }
  .tx-hero-desc { font-size: 14px; }
  .tx-btn { padding: 10px 20px; font-size: 14px; }
}