/* ============================================================
   免费看片 全局样式 | psbgmu.cn
   原创配色方案：深夜玫瑰黑 + 糖粉红 + 玫瑰金
   ============================================================ */

/* CSS变量 */
:root {
  --color-bg:        #0e0b14;
  --color-bg2:       #16111f;
  --color-bg3:       #1e1628;
  --color-card:      #1a1326;
  --color-primary:   #e8507a;
  --color-secondary: #c9748a;
  --color-gold:      #d4a06a;
  --color-gold2:     #f0c080;
  --color-text:      #f0e8f0;
  --color-muted:     #9a8aaa;
  --color-border:    #2e2040;
  --color-hover:     #ff6090;
  --radius-sm:       6px;
  --radius-md:       12px;
  --radius-lg:       20px;
  --shadow-card:     0 4px 24px rgba(232,80,122,0.12);
  --shadow-hover:    0 8px 40px rgba(232,80,122,0.28);
  --transition:      all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-main:       'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
}

/* 重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-hover); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font-main); }

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

/* ============================================================
   导航栏
   ============================================================ */
.tx-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(14,11,20,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.tx-header.scrolled {
  background: rgba(14,11,20,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.tx-nav-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 68px;
  gap: 24px;
}
.tx-logo-link {
  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(--color-primary);
}
.tx-logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.tx-nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.tx-nav-menu a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--color-muted);
  white-space: nowrap;
  transition: var(--transition);
}
.tx-nav-menu a:hover,
.tx-nav-menu a.active {
  color: var(--color-primary);
  background: rgba(232,80,122,0.1);
}
/* 搜索框 */
.tx-search-wrap {
  display: flex;
  align-items: center;
  background: var(--color-bg3);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 6px 16px;
  gap: 8px;
  transition: var(--transition);
  flex-shrink: 0;
}
.tx-search-wrap:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232,80,122,0.15);
}
.tx-search-input {
  background: none;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 0.9rem;
  width: 160px;
}
.tx-search-input::placeholder { color: var(--color-muted); }
.tx-search-btn {
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 1rem;
  padding: 0;
  transition: var(--transition);
}
.tx-search-btn:hover { color: var(--color-primary); }
/* 汉堡菜单 */
.tx-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
}
.tx-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   Banner
   ============================================================ */
.tx-banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.tx-banner-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner_main.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  transform: scale(1.05);
  transition: transform 8s ease;
}
.tx-banner:hover .tx-banner-bg { transform: scale(1.0); }
.tx-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(14,11,20,0.7) 0%,
    rgba(232,80,122,0.1) 50%,
    rgba(14,11,20,0.8) 100%);
}
.tx-banner-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 100px;
}
.tx-banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,80,122,0.15);
  border: 1px solid rgba(232,80,122,0.3);
  border-radius: 24px;
  padding: 6px 16px;
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: 24px;
}
.tx-banner-tag::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.tx-banner h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, var(--color-primary) 70%, var(--color-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tx-banner-desc {
  font-size: 1.1rem;
  color: rgba(240,232,240,0.8);
  max-width: 600px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.tx-banner-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.tx-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--color-primary), #c03060);
  color: #fff;
  padding: 14px 32px;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(232,80,122,0.4);
}
.tx-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(232,80,122,0.5);
  color: #fff;
}
.tx-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-text);
  padding: 14px 32px;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid rgba(240,232,240,0.3);
  transition: var(--transition);
}
.tx-btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(232,80,122,0.08);
}
.tx-banner-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
  flex-wrap: wrap;
}
.tx-stat-item { text-align: left; }
.tx-stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tx-stat-label { font-size: 0.85rem; color: var(--color-muted); margin-top: 4px; }

/* ============================================================
   通用区块
   ============================================================ */
.tx-section {
  padding: 80px 0;
}
.tx-section-alt { background: var(--color-bg2); }
.tx-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.tx-section-header {
  text-align: center;
  margin-bottom: 56px;
}
.tx-section-tag {
  display: inline-block;
  background: rgba(232,80,122,0.12);
  color: var(--color-primary);
  border: 1px solid rgba(232,80,122,0.25);
  border-radius: 24px;
  padding: 4px 16px;
  font-size: 0.82rem;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.tx-section-header h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}
.tx-section-header h2 span { color: var(--color-primary); }
.tx-section-header p {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto;
}
.tx-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  border-radius: 2px;
  margin: 16px auto 0;
}

/* ============================================================
   视频卡片
   ============================================================ */
.tx-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.tx-video-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  cursor: pointer;
}
.tx-video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232,80,122,0.3);
}
.tx-video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg3);
}
.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-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: var(--transition);
}
.tx-video-card:hover .tx-play-btn { background: rgba(0,0,0,0.4); }
.tx-play-icon {
  width: 56px;
  height: 56px;
  background: rgba(232,80,122,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.7);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(232,80,122,0.5);
}
.tx-video-card:hover .tx-play-icon {
  opacity: 1;
  transform: scale(1);
}
.tx-play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
.tx-video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
}
.tx-video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: 4px;
}
.tx-video-info {
  padding: 16px;
}
.tx-video-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.5;
  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: 0.8rem;
  color: var(--color-muted);
}
.tx-video-meta span { display: flex; align-items: center; gap: 4px; }
.tx-video-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.tx-tag {
  background: rgba(232,80,122,0.1);
  color: var(--color-primary);
  border: 1px solid rgba(232,80,122,0.2);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 0.75rem;
}

/* ============================================================
   功能模块网格
   ============================================================ */
.tx-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.tx-feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.tx-feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  transform: scaleX(0);
  transition: var(--transition);
}
.tx-feature-card:hover::before { transform: scaleX(1); }
.tx-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(232,80,122,0.2);
}
.tx-feature-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(232,80,122,0.15), rgba(212,160,106,0.15));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.tx-feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}
.tx-feature-card p {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ============================================================
   专家展示
   ============================================================ */
.tx-expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.tx-expert-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  text-align: center;
}
.tx-expert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.tx-expert-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.tx-expert-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.5s ease;
}
.tx-expert-card:hover .tx-expert-img-wrap img { transform: scale(1.06); }
.tx-expert-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(14,11,20,0.9));
  height: 80px;
}
.tx-expert-body { padding: 20px; }
.tx-expert-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}
.tx-expert-role {
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.tx-expert-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.tx-expert-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
}
.tx-btn-sm {
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.tx-btn-sm:hover, .tx-btn-sm.filled {
  background: var(--color-primary);
  color: #fff;
}

/* ============================================================
   用户评价
   ============================================================ */
.tx-review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.tx-review-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  position: relative;
}
.tx-review-card::before {
  content: '"';
  position: absolute;
  top: 16px; right: 20px;
  font-size: 4rem;
  color: rgba(232,80,122,0.1);
  font-family: Georgia, serif;
  line-height: 1;
}
.tx-review-card:hover {
  border-color: rgba(232,80,122,0.25);
  box-shadow: var(--shadow-card);
}
.tx-review-stars {
  color: var(--color-gold2);
  font-size: 1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.tx-review-text {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
}
.tx-review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.tx-review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-gold));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}
.tx-review-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}
.tx-review-date {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* ============================================================
   FAQ
   ============================================================ */
.tx-faq-list { max-width: 800px; margin: 0 auto; }
.tx-faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.tx-faq-item:hover { border-color: rgba(232,80,122,0.2); }
.tx-faq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 24px;
  text-align: left;
  color: var(--color-text);
  font-size: 0.97rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.tx-faq-q:hover { color: var(--color-primary); }
.tx-faq-q .tx-faq-arrow {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(232,80,122,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 0.8rem;
  color: var(--color-primary);
}
.tx-faq-item.open .tx-faq-arrow { transform: rotate(180deg); background: var(--color-primary); color: #fff; }
.tx-faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.8;
}
.tx-faq-item.open .tx-faq-a { max-height: 300px; padding: 0 24px 18px; }

/* ============================================================
   联系 / 二维码
   ============================================================ */
.tx-contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.tx-contact-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.tx-contact-card:hover {
  border-color: rgba(232,80,122,0.3);
  box-shadow: var(--shadow-card);
}
.tx-qr-img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin: 0 auto 16px;
  border: 2px solid var(--color-border);
}
.tx-contact-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}
.tx-contact-card p {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ============================================================
   合作品牌Logo墙
   ============================================================ */
.tx-partner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}
.tx-partner-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-muted);
  transition: var(--transition);
}
.tx-partner-item:hover {
  color: var(--color-primary);
  border-color: rgba(232,80,122,0.3);
  background: rgba(232,80,122,0.05);
}

/* ============================================================
   社区功能
   ============================================================ */
.tx-community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.tx-community-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.tx-community-card:hover {
  border-color: rgba(232,80,122,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.tx-community-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}
.tx-community-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}
.tx-community-card p {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ============================================================
   AI赋能
   ============================================================ */
.tx-ai-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.tx-ai-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.tx-ai-img img { width: 100%; height: 320px; object-fit: cover; }
.tx-ai-list { display: flex; flex-direction: column; gap: 20px; }
.tx-ai-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.tx-ai-num {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-gold));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.tx-ai-item h4 {
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}
.tx-ai-item p { font-size: 0.85rem; color: var(--color-muted); line-height: 1.6; }

/* ============================================================
   分享按钮
   ============================================================ */
.tx-share-wrap {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.tx-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  background: var(--color-card);
  transition: var(--transition);
  cursor: pointer;
}
.tx-share-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(232,80,122,0.08);
}

/* ============================================================
   页脚
   ============================================================ */
.tx-footer {
  background: var(--color-bg2);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 32px;
}
.tx-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.tx-footer-brand .tx-logo-link { margin-bottom: 16px; }
.tx-footer-brand p {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.tx-footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.tx-footer-col ul li { margin-bottom: 10px; }
.tx-footer-col ul li a {
  font-size: 0.88rem;
  color: var(--color-muted);
  transition: var(--transition);
}
.tx-footer-col ul li a:hover { color: var(--color-primary); padding-left: 4px; }
.tx-footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.tx-footer-bottom p {
  font-size: 0.82rem;
  color: var(--color-muted);
}
.tx-footer-bottom a { color: var(--color-primary); }
.tx-update-time {
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* ============================================================
   视频模态框
   ============================================================ */
.tx-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.88);
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.tx-modal.active { display: flex; }
.tx-modal-inner {
  background: var(--color-bg2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  max-width: 860px;
  border: 1px solid var(--color-border);
  position: relative;
}
.tx-modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: rgba(0,0,0,0.6);
  border: none;
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition);
}
.tx-modal-close:hover { background: var(--color-primary); }
.tx-modal video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  display: block;
}
.tx-modal-info { padding: 20px 24px; }
.tx-modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}
.tx-modal-desc {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ============================================================
   面包屑
   ============================================================ */
.tx-breadcrumb {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tx-breadcrumb a { color: var(--color-muted); }
.tx-breadcrumb a:hover { color: var(--color-primary); }
.tx-breadcrumb .sep { color: var(--color-border); }
.tx-breadcrumb .current { color: var(--color-primary); }

/* ============================================================
   内页Hero
   ============================================================ */
.tx-page-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg3) 100%);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.tx-page-hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(232,80,122,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.tx-page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--color-text), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tx-page-hero p {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 600px;
  line-height: 1.8;
}

/* ============================================================
   分页
   ============================================================ */
.tx-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.tx-page-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  cursor: pointer;
}
.tx-page-btn:hover, .tx-page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ============================================================
   滚动条
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .tx-footer-grid { grid-template-columns: 1fr 1fr; }
  .tx-ai-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .tx-nav-menu { display: none; flex-direction: column; position: fixed; top: 68px; left: 0; right: 0; background: rgba(14,11,20,0.98); padding: 20px; border-bottom: 1px solid var(--color-border); gap: 4px; }
  .tx-nav-menu.open { display: flex; }
  .tx-nav-menu a { padding: 12px 16px; border-radius: var(--radius-sm); }
  .tx-hamburger { display: flex; }
  .tx-search-wrap { display: none; }
  .tx-footer-grid { grid-template-columns: 1fr; }
  .tx-banner-stats { gap: 24px; }
  .tx-video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .tx-footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .tx-section { padding: 56px 0; }
  .tx-video-grid { grid-template-columns: 1fr; }
  .tx-feature-grid { grid-template-columns: 1fr; }
  .tx-banner-btns { flex-direction: column; }
  .tx-btn-primary, .tx-btn-outline { width: 100%; justify-content: center; }
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.tx-fade-in { animation: fadeInUp 0.6s ease both; }
.tx-fade-in-delay-1 { animation-delay: 0.1s; }
.tx-fade-in-delay-2 { animation-delay: 0.2s; }
.tx-fade-in-delay-3 { animation-delay: 0.3s; }

/* 懒加载占位 */
img[data-src] { opacity: 0; transition: opacity 0.4s ease; }
img.loaded { opacity: 1; }