/* =========================================
   四虎 - 原创主题样式
   配色方案：玫瑰粉 #FF4D7D / 深紫 #2D1B4E / 金色 #FFD166
   字体：系统中文字体栈
   ========================================= */

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: #0f0a1e;
  color: #e8e0f0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: #FF4D7D; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ---- CSS 变量 ---- */
:root {
  --pink:    #FF4D7D;
  --pink-lt: #ff7da0;
  --pink-dk: #cc2255;
  --purple:  #2D1B4E;
  --purple2: #3d2668;
  --gold:    #FFD166;
  --dark:    #0f0a1e;
  --dark2:   #1a1030;
  --dark3:   #251840;
  --text:    #e8e0f0;
  --text-sm: #b0a0c8;
  --border:  rgba(255,77,125,.18);
  --card-bg: rgba(45,27,78,.55);
  --radius:  12px;
  --shadow:  0 8px 32px rgba(255,77,125,.15);
  --trans:   .28s ease;
}

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--pink); border-radius: 3px; }

/* =========================================
   顶部导航
   ========================================= */
.tx-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15,10,30,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.tx-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
}
/* Logo区 */
.tx-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.tx-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--pink);
}
.tx-logo-favicon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover;
}
.tx-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--pink), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
/* 导航菜单 */
.tx-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.tx-nav a {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .92rem;
  color: var(--text-sm);
  transition: all var(--trans);
  white-space: nowrap;
}
.tx-nav a:hover,
.tx-nav a.active {
  background: rgba(255,77,125,.18);
  color: var(--pink);
}
/* 搜索框 */
.tx-search-wrap {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0 14px;
  gap: 8px;
  flex-shrink: 0;
}
.tx-search-wrap input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .9rem;
  width: 180px;
  padding: 7px 0;
}
.tx-search-wrap input::placeholder { color: var(--text-sm); }
.tx-search-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-sm);
  font-size: 1rem;
  padding: 4px;
  transition: color var(--trans);
}
.tx-search-btn:hover { color: var(--pink); }
/* 汉堡菜单 */
.tx-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.tx-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--trans);
}

/* =========================================
   搜索栏（导航下方独立行）
   ========================================= */
.tx-search-bar {
  background: rgba(45,27,78,.4);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
}
.tx-search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.tx-search-bar-input {
  flex: 1;
  max-width: 560px;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.07);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 0 18px;
  gap: 10px;
}
.tx-search-bar-input input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .95rem;
  padding: 9px 0;
}
.tx-search-bar-input input::placeholder { color: var(--text-sm); }
.tx-search-bar-btn {
  background: linear-gradient(135deg, var(--pink), var(--pink-dk));
  border: none;
  border-radius: 20px;
  color: #fff;
  padding: 8px 22px;
  font-size: .9rem;
  cursor: pointer;
  transition: opacity var(--trans);
  white-space: nowrap;
}
.tx-search-bar-btn:hover { opacity: .85; }
.tx-hot-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tx-hot-tags span { font-size: .82rem; color: var(--text-sm); }
.tx-hot-tags a {
  font-size: .82rem;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(255,77,125,.12);
  color: var(--pink-lt);
  transition: background var(--trans);
}
.tx-hot-tags a:hover { background: rgba(255,77,125,.28); }

/* =========================================
   Hero Banner
   ========================================= */
.tx-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.tx-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(.45);
  z-index: 0;
}
.tx-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,10,30,.85) 40%, rgba(255,77,125,.15) 100%);
  z-index: 1;
}
.tx-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 20px;
  width: 100%;
}
.tx-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,77,125,.2);
  border: 1px solid rgba(255,77,125,.4);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: .82rem;
  color: var(--pink-lt);
  margin-bottom: 18px;
}
.tx-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 30%, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tx-hero-desc {
  font-size: 1.08rem;
  color: var(--text-sm);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.tx-hero-domain {
  font-size: .85rem;
  color: var(--gold);
  margin-bottom: 28px;
  opacity: .8;
}
.tx-hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.tx-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--pink), var(--pink-dk));
  color: #fff;
  padding: 12px 28px;
  border-radius: 28px;
  font-size: .95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--trans);
  box-shadow: 0 4px 20px rgba(255,77,125,.4);
}
.tx-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,77,125,.55);
  color: #fff;
}
.tx-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  padding: 12px 28px;
  border-radius: 28px;
  font-size: .95rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,.3);
  cursor: pointer;
  transition: all var(--trans);
}
.tx-btn-outline:hover {
  border-color: var(--pink);
  color: var(--pink);
  background: rgba(255,77,125,.08);
}
.tx-hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.tx-hero-stat { text-align: left; }
.tx-hero-stat .num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gold);
}
.tx-hero-stat .label {
  font-size: .82rem;
  color: var(--text-sm);
}

/* =========================================
   通用区块
   ========================================= */
.tx-section {
  padding: 64px 20px;
  max-width: 1280px;
  margin: 0 auto;
}
.tx-section-full {
  padding: 64px 20px;
  background: var(--dark2);
}
.tx-section-full .tx-section-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.tx-section-head {
  text-align: center;
  margin-bottom: 40px;
}
.tx-section-tag {
  display: inline-block;
  background: rgba(255,77,125,.15);
  color: var(--pink);
  border: 1px solid rgba(255,77,125,.3);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: .8rem;
  margin-bottom: 10px;
  letter-spacing: .05em;
}
.tx-section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.tx-section-head p {
  color: var(--text-sm);
  font-size: .95rem;
  max-width: 560px;
  margin: 0 auto;
}
.tx-section-head-left {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.tx-section-head-left h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}
.tx-section-head-left h2 span { color: var(--pink); }
.tx-more-link {
  font-size: .88rem;
  color: var(--pink-lt);
  display: flex;
  align-items: center;
  gap: 4px;
}
.tx-more-link:hover { color: var(--pink); }

/* =========================================
   视频卡片
   ========================================= */
.tx-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.tx-video-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--trans);
  cursor: pointer;
}
.tx-video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(255,77,125,.4);
}
.tx-video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #1a1030;
}
.tx-video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.tx-video-card:hover .tx-video-thumb img { transform: scale(1.06); }
.tx-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.35);
  opacity: 0;
  transition: opacity var(--trans);
}
.tx-video-card:hover .tx-play-btn { opacity: 1; }
.tx-play-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,77,125,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(255,77,125,.5);
  transition: transform .2s;
}
.tx-play-icon:hover { transform: scale(1.1); }
.tx-play-icon svg { width: 22px; height: 22px; fill: #fff; margin-left: 3px; }
.tx-video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,.75);
  color: #fff;
  font-size: .75rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.tx-video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--pink);
  color: #fff;
  font-size: .72rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.tx-video-badge.hot { background: #ff6b35; }
.tx-video-badge.new { background: #06d6a0; }
.tx-video-badge.ai  { background: #7b2fff; }
.tx-video-info {
  padding: 14px;
}
.tx-video-title {
  font-size: .95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.tx-video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .8rem;
  color: var(--text-sm);
}
.tx-video-meta span { display: flex; align-items: center; gap: 4px; }
.tx-video-author {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.tx-author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}
.tx-author-name { font-size: .82rem; color: var(--text-sm); }

/* =========================================
   视频弹窗
   ========================================= */
.tx-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
.tx-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.tx-modal-box {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 820px;
  overflow: hidden;
  transform: scale(.92);
  transition: transform .3s;
}
.tx-modal-overlay.active .tx-modal-box { transform: scale(1); }
.tx-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.tx-modal-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}
.tx-modal-close {
  background: none;
  border: none;
  color: var(--text-sm);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--trans);
}
.tx-modal-close:hover { color: var(--pink); }
.tx-modal-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
}
.tx-modal-video video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.tx-modal-footer {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: .85rem;
  color: var(--text-sm);
}

/* =========================================
   Tab 切换
   ========================================= */
.tx-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.tx-tab-btn {
  padding: 7px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-sm);
  font-size: .88rem;
  cursor: pointer;
  transition: all var(--trans);
}
.tx-tab-btn:hover,
.tx-tab-btn.active {
  background: rgba(255,77,125,.18);
  border-color: var(--pink);
  color: var(--pink);
}
.tx-tab-panel { display: none; }
.tx-tab-panel.active { display: block; }

/* =========================================
   传媒模块卡片
   ========================================= */
.tx-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.tx-media-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: all var(--trans);
  cursor: pointer;
}
.tx-media-card:hover {
  border-color: var(--pink);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.tx-media-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(255,77,125,.2), rgba(45,27,78,.6));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 1.6rem;
}
.tx-media-card h3 {
  font-size: .95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}
.tx-media-card p {
  font-size: .8rem;
  color: var(--text-sm);
  line-height: 1.5;
}

/* =========================================
   AI 赋能区块
   ========================================= */
.tx-ai-section {
  background: linear-gradient(135deg, #1a0a2e 0%, #2d1b4e 50%, #1a0a2e 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.tx-ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.tx-ai-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(123,47,255,.25);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--trans);
}
.tx-ai-card:hover {
  border-color: rgba(123,47,255,.6);
  box-shadow: 0 8px 32px rgba(123,47,255,.2);
  transform: translateY(-3px);
}
.tx-ai-card-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.tx-ai-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.tx-ai-card p {
  font-size: .85rem;
  color: var(--text-sm);
  line-height: 1.6;
}
.tx-ai-tag {
  display: inline-block;
  margin-top: 12px;
  background: rgba(123,47,255,.2);
  color: #b388ff;
  border-radius: 10px;
  padding: 2px 10px;
  font-size: .75rem;
}

/* =========================================
   社区模块
   ========================================= */
.tx-community-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}
.tx-community-topics { display: flex; flex-direction: column; gap: 14px; }
.tx-topic-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all var(--trans);
  cursor: pointer;
}
.tx-topic-card:hover {
  border-color: rgba(255,77,125,.4);
  background: rgba(45,27,78,.75);
}
.tx-topic-num {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--pink), var(--pink-dk));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.tx-topic-body h4 {
  font-size: .95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.tx-topic-body p {
  font-size: .82rem;
  color: var(--text-sm);
  line-height: 1.5;
}
.tx-topic-stats {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: .78rem;
  color: var(--text-sm);
}
.tx-community-sidebar { display: flex; flex-direction: column; gap: 20px; }
.tx-sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.tx-sidebar-card h3 {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* =========================================
   专家展示
   ========================================= */
.tx-expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.tx-expert-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--trans);
}
.tx-expert-card:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 32px rgba(255,209,102,.15);
  transform: translateY(-4px);
}
.tx-expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px;
  border: 3px solid var(--gold);
}
.tx-expert-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.tx-expert-title {
  font-size: .82rem;
  color: var(--pink-lt);
  margin-bottom: 10px;
}
.tx-expert-desc {
  font-size: .82rem;
  color: var(--text-sm);
  line-height: 1.6;
  margin-bottom: 14px;
}
.tx-expert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 16px;
}
.tx-expert-tag {
  background: rgba(255,209,102,.12);
  color: var(--gold);
  border-radius: 10px;
  padding: 2px 10px;
  font-size: .75rem;
}
.tx-expert-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.tx-expert-btn {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: .8rem;
  cursor: pointer;
  transition: all var(--trans);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-sm);
}
.tx-expert-btn:hover {
  background: rgba(255,77,125,.15);
  border-color: var(--pink);
  color: var(--pink);
}

/* =========================================
   FAQ
   ========================================= */
.tx-faq-list { display: flex; flex-direction: column; gap: 12px; }
.tx-faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--trans);
}
.tx-faq-item.open { border-color: rgba(255,77,125,.4); }
.tx-faq-q {
  width: 100%;
  background: none;
  border: none;
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  text-align: left;
  padding: 18px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: color var(--trans);
}
.tx-faq-q:hover { color: var(--pink); }
.tx-faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,77,125,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .9rem;
  transition: transform .3s, background .3s;
}
.tx-faq-item.open .tx-faq-icon {
  transform: rotate(45deg);
  background: rgba(255,77,125,.35);
}
.tx-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s;
  padding: 0 20px;
  font-size: .88rem;
  color: var(--text-sm);
  line-height: 1.7;
}
.tx-faq-item.open .tx-faq-a {
  max-height: 300px;
  padding: 0 20px 18px;
}

/* =========================================
   用户评论
   ========================================= */
.tx-review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.tx-review-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all var(--trans);
}
.tx-review-card:hover {
  border-color: rgba(255,77,125,.35);
  transform: translateY(-2px);
}
.tx-review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.tx-review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.tx-review-user { flex: 1; }
.tx-review-name { font-size: .9rem; font-weight: 600; color: #fff; }
.tx-review-date { font-size: .78rem; color: var(--text-sm); }
.tx-review-stars { color: var(--gold); font-size: .9rem; }
.tx-review-text {
  font-size: .88rem;
  color: var(--text-sm);
  line-height: 1.7;
}
.tx-review-tag {
  display: inline-block;
  margin-top: 10px;
  background: rgba(255,77,125,.1);
  color: var(--pink-lt);
  border-radius: 10px;
  padding: 2px 10px;
  font-size: .75rem;
}

/* =========================================
   合作品牌 Logo 墙
   ========================================= */
.tx-partner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.tx-partner-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 28px;
  font-size: .9rem;
  color: var(--text-sm);
  transition: all var(--trans);
  text-align: center;
  min-width: 120px;
}
.tx-partner-item:hover {
  border-color: var(--pink);
  color: var(--pink);
}

/* =========================================
   联系我们
   ========================================= */
.tx-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.tx-contact-info { display: flex; flex-direction: column; gap: 16px; }
.tx-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.tx-contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,77,125,.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.tx-contact-text h4 { font-size: .9rem; font-weight: 600; color: #fff; margin-bottom: 3px; }
.tx-contact-text p { font-size: .83rem; color: var(--text-sm); }
.tx-qr-wrap {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}
.tx-qr-item { text-align: center; }
.tx-qr-item img {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  border: 2px solid var(--border);
  object-fit: cover;
}
.tx-qr-item p { font-size: .8rem; color: var(--text-sm); margin-top: 8px; }

/* =========================================
   社交分享
   ========================================= */
.tx-share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.tx-share-label { font-size: .88rem; color: var(--text-sm); }
.tx-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: .85rem;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-sm);
  transition: all var(--trans);
}
.tx-share-btn:hover { border-color: var(--pink); color: var(--pink); }
.tx-share-btn.wechat:hover { border-color: #07c160; color: #07c160; }
.tx-share-btn.weibo:hover  { border-color: #e6162d; color: #e6162d; }
.tx-share-btn.douyin:hover { border-color: #fe2c55; color: #fe2c55; }
.tx-share-btn.bilibili:hover { border-color: #00a1d6; color: #00a1d6; }

/* =========================================
   底部 Footer
   ========================================= */
.tx-footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 48px 20px 24px;
}
.tx-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.tx-footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
.tx-footer-brand .tx-logo-wrap { margin-bottom: 14px; }
.tx-footer-brand p {
  font-size: .85rem;
  color: var(--text-sm);
  line-height: 1.7;
  margin-bottom: 16px;
}
.tx-footer-col h4 {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.tx-footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.tx-footer-col ul li a {
  font-size: .85rem;
  color: var(--text-sm);
  transition: color var(--trans);
}
.tx-footer-col ul li a:hover { color: var(--pink); }
.tx-footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: gap;
  gap: 12px;
  font-size: .82rem;
  color: var(--text-sm);
}
.tx-footer-links { display: flex; gap: 16px; }
.tx-footer-links a { color: var(--text-sm); transition: color var(--trans); }
.tx-footer-links a:hover { color: var(--pink); }
.tx-update-time { color: var(--text-sm); font-size: .8rem; }

/* =========================================
   面包屑
   ========================================= */
.tx-breadcrumb {
  padding: 14px 20px;
  background: rgba(45,27,78,.3);
  border-bottom: 1px solid var(--border);
}
.tx-breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .83rem;
  color: var(--text-sm);
}
.tx-breadcrumb-inner a { color: var(--text-sm); transition: color var(--trans); }
.tx-breadcrumb-inner a:hover { color: var(--pink); }
.tx-breadcrumb-inner .sep { opacity: .4; }
.tx-breadcrumb-inner .current { color: var(--pink-lt); }

/* =========================================
   页面 Hero（内页）
   ========================================= */
.tx-page-hero {
  background: linear-gradient(135deg, var(--dark2) 0%, var(--purple) 100%);
  padding: 56px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.tx-page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.tx-page-hero p {
  font-size: 1rem;
  color: var(--text-sm);
  max-width: 560px;
  margin: 0 auto;
}

/* =========================================
   EEAT 权威横幅
   ========================================= */
.tx-eeat-bar {
  background: linear-gradient(90deg, rgba(255,77,125,.08), rgba(45,27,78,.6), rgba(255,77,125,.08));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
}
.tx-eeat-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.tx-eeat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-sm);
}
.tx-eeat-item .icon { font-size: 1.1rem; }
.tx-eeat-item strong { color: var(--pink-lt); }

/* =========================================
   数据统计条
   ========================================= */
.tx-stats-bar {
  background: var(--dark3);
  padding: 28px 20px;
  border-bottom: 1px solid var(--border);
}
.tx-stats-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.tx-stat-item .num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--pink), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tx-stat-item .label {
  font-size: .82rem;
  color: var(--text-sm);
  margin-top: 4px;
}

/* =========================================
   隐藏干扰标签容器
   ========================================= */
.tx-noise { display: none !important; visibility: hidden !important; }

/* =========================================
   响应式 - 平板
   ========================================= */
@media (max-width: 1024px) {
  .tx-footer-top { grid-template-columns: 1fr 1fr; }
  .tx-community-grid { grid-template-columns: 1fr; }
  .tx-contact-grid { grid-template-columns: 1fr; }
  .tx-stats-inner { grid-template-columns: repeat(2, 1fr); }
}

/* =========================================
   响应式 - 手机
   ========================================= */
@media (max-width: 768px) {
  .tx-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(15,10,30,.97); padding: 12px 20px; border-bottom: 1px solid var(--border); z-index: 999; }
  .tx-nav.open { display: flex; }
  .tx-nav a { padding: 10px 14px; border-radius: 8px; }
  .tx-hamburger { display: flex; }
  .tx-search-wrap { display: none; }
  .tx-header-inner { position: relative; }
  .tx-hero { min-height: 380px; }
  .tx-hero-content { padding: 48px 20px; }
  .tx-hero-stats { gap: 20px; }
  .tx-video-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .tx-expert-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  .tx-footer-top { grid-template-columns: 1fr; gap: 20px; }
  .tx-footer-bottom { flex-direction: column; text-align: center; }
  .tx-stats-inner { grid-template-columns: repeat(2, 1fr); }
  .tx-eeat-inner { gap: 16px; }
  .tx-search-bar-input { max-width: 100%; }
  .tx-hot-tags { display: none; }
  .tx-media-grid { grid-template-columns: repeat(2, 1fr); }
  .tx-ai-grid { grid-template-columns: 1fr; }
  .tx-review-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .tx-video-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tx-section { padding: 40px 14px; }
  .tx-hero h1 { font-size: 1.7rem; }
  .tx-hero-btns { flex-direction: column; }
  .tx-btn-primary, .tx-btn-outline { width: 100%; justify-content: center; }
}