/* ===================================================
   网红主播 - 主样式文件
   Brand: 网红主播 | Domain: ctgamer.cn
   百度SEO EEAT标准 · 移动端全适配
   =================================================== */

/* ---------- CSS Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
  background: #0d0d14;
  color: #e0e0e0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: #ff4d00; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- CSS Variables ---------- */
:root {
  --brand-red: #ff4d00;
  --brand-orange: #ff8c00;
  --brand-gradient: linear-gradient(135deg, #ff4d00 0%, #ff8c00 100%);
  --dark-bg: #0d0d14;
  --dark-card: #16161f;
  --dark-border: #2a2a3a;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0,0,0,.45);
  --transition: .3s ease;
}

/* ---------- 无障碍跳转 ---------- */
.skip-nav {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--brand-red);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) 0;
  font-size: .9rem;
  transition: top .2s;
}
.skip-nav:focus { top: 0; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }
h5 { font-size: .95rem; }
h6 { font-size: .85rem; }
p { margin-bottom: .75rem; color: var(--text-secondary); }

/* ---------- Layout Utilities ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 70px 0; }
.section-sm { padding: 40px 0; }
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 60px; height: 3px;
  background: var(--brand-gradient);
  border-radius: 2px;
}
.section-title p { color: var(--text-secondary); margin-top: 12px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.text-center { text-align: center; }
.text-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: .95rem; font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,77,0,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,77,0,.5);
  color: #fff;
}
.btn-outline {
  border: 2px solid var(--brand-red);
  color: var(--brand-red);
}
.btn-outline:hover {
  background: var(--brand-red);
  color: #fff;
}
.btn-sm { padding: 8px 18px; font-size: .85rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--brand-red);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.card-body { padding: 20px; }

/* ---------- Badge ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: .75rem; font-weight: 600;
  background: rgba(255,77,0,.15);
  color: var(--brand-red);
}
.badge-hot { background: rgba(255,0,60,.15); color: #ff003c; }
.badge-new { background: rgba(0,200,100,.15); color: #00c864; }

/* ---------- Tag ---------- */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: .72rem;
  background: rgba(255,140,0,.12);
  color: var(--brand-orange);
  margin-right: 4px;
}

/* ===================================================
   HEADER
   =================================================== */
#site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(13,13,20,.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--dark-border);
  padding: 0;
}
.header-inner {
  display: flex; align-items: center;
  height: 64px; gap: 20px;
}
.site-logo {
  flex-shrink: 0;
  display: flex; align-items: center; gap: 10px;
}
.site-logo img { height: 40px; width: auto; }
.site-logo .logo-text {
  font-size: 1.3rem; font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

/* 主导航 */
.main-nav { flex: 1; }
.main-nav > ul {
  display: flex; align-items: center; gap: 2px;
}
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a {
  color: var(--brand-red);
  background: rgba(255,77,0,.08);
}
.arrow-icon { transition: transform .25s; flex-shrink: 0; }
.main-nav > ul > li:hover .arrow-icon { transform: rotate(180deg); }

/* 二级下拉菜单 */
.sub-menu {
  display: none;
  position: absolute; top: calc(100% + 4px); left: 0;
  min-width: 160px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 8px 0;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  z-index: 200;
}
.has-sub:hover .sub-menu { display: block; }
.sub-menu li a {
  display: block;
  padding: 9px 18px;
  font-size: .85rem;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
}
.sub-menu li a:hover {
  color: var(--brand-red);
  background: rgba(255,77,0,.06);
  padding-left: 22px;
}

/* 搜索框 */
.header-search { position: relative; flex-shrink: 0; }
.header-search input {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 50px;
  padding: 8px 40px 8px 16px;
  color: var(--text-primary);
  font-size: .875rem;
  width: 190px;
  outline: none;
  transition: var(--transition);
}
.header-search input:focus {
  border-color: var(--brand-red);
  width: 230px;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search .search-btn {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted);
  transition: var(--transition);
}
.header-search .search-btn:hover { color: var(--brand-red); }

/* 搜索下拉 */
.search-dropdown {
  display: none;
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 12px;
  z-index: 200;
  box-shadow: var(--shadow-card);
  min-width: 240px;
}
.search-dropdown.show { display: block; }
.search-dropdown p { font-size: .8rem; color: var(--text-muted); margin-bottom: 8px; }
.search-hot-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.search-hot-tags span {
  padding: 4px 10px;
  background: rgba(255,77,0,.1);
  color: var(--brand-red);
  border-radius: 50px;
  font-size: .78rem;
  cursor: pointer;
  transition: var(--transition);
}
.search-hot-tags span:hover { background: var(--brand-red); color: #fff; }

/* 移动端汉堡按钮 */
.menu-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 6px;
  cursor: pointer;
  flex-shrink: 0;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===================================================
   BREADCRUMB 面包屑
   =================================================== */
.breadcrumb-wrap {
  background: rgba(255,77,0,.04);
  border-bottom: 1px solid var(--dark-border);
  padding: 10px 0;
}
.breadcrumb {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  font-size: .82rem; color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb a:hover { color: var(--brand-red); }
.breadcrumb .sep { color: var(--dark-border); }
.breadcrumb .current { color: var(--text-primary); font-weight: 500; }

/* ===================================================
   HERO BANNER
   =================================================== */
.hero-section {
  position: relative;
  min-height: 580px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(.5);
  will-change: transform;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(13,13,20,.9) 40%, rgba(13,13,20,.3) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 620px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px;
  background: rgba(255,77,0,.15);
  border: 1px solid rgba(255,77,0,.3);
  border-radius: 50px;
  font-size: .82rem; color: var(--brand-orange);
  margin-bottom: 20px;
}
.hero-content h1 { margin-bottom: 16px; }
.hero-content > p { font-size: 1.05rem; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 32px;
  margin-top: 36px;
}
.hero-stat-item .num {
  font-size: 1.6rem; font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-item .label { font-size: .8rem; color: var(--text-muted); }

/* ===================================================
   VIDEO CARDS（H5+JS实现，鼠标悬停显示播放按钮）
   =================================================== */
.video-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}
.video-card:hover {
  border-color: var(--brand-red);
  transform: translateY(-5px);
  box-shadow: 0 8px 32px rgba(255,77,0,.2);
}
.video-thumb {
  position: relative;
  padding-top: 56.25%; /* 16:9 */
  overflow: hidden;
  background: #1a1a25;
}
.video-thumb img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }

/* 播放按钮：鼠标悬停显示 */
.video-play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity .3s ease;
  background: rgba(0,0,0,.35);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 58px; height: 58px;
  background: var(--brand-gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 28px rgba(255,77,0,.7);
  transform: scale(.82);
  transition: transform .3s ease;
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon svg { width: 22px; height: 22px; fill: #fff; margin-left: 4px; }

.video-duration {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,.78);
  color: #fff; font-size: .73rem;
  padding: 2px 7px; border-radius: 4px;
  letter-spacing: .5px;
}
.video-tag-overlay {
  position: absolute; top: 8px; left: 8px;
}
.video-info { padding: 14px; }
.video-info h4 {
  font-size: .92rem; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}
.video-meta {
  display: flex; align-items: center; gap: 12px;
  font-size: .78rem; color: var(--text-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-meta svg { width: 13px; height: 13px; fill: currentColor; }

/* ===================================================
   CATEGORY TABS
   =================================================== */
.cat-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 30px;
}
.cat-tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: .88rem; font-weight: 500;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.cat-tab:hover, .cat-tab.active {
  background: var(--brand-gradient);
  border-color: transparent;
  color: #fff;
}

/* ===================================================
   ENTERTAINMENT ZONE（娱乐专区）
   =================================================== */
.ent-zone-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ent-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.ent-card:hover {
  border-color: var(--brand-red);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(255,77,0,.18);
}
.ent-thumb {
  position: relative;
  padding-top: 62%;
  overflow: hidden;
  background: #1a1a25;
}
.ent-thumb img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.ent-card:hover .ent-thumb img { transform: scale(1.07); }
.ent-play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .3s;
  background: rgba(0,0,0,.4);
}
.ent-card:hover .ent-play-btn { opacity: 1; }
.ent-info { padding: 14px; }
.ent-info h4 { font-size: .9rem; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); }
.ent-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: .72rem;
  background: rgba(255,77,0,.12);
  color: var(--brand-red);
  margin-bottom: 6px;
}

/* ===================================================
   EXPERT CARDS
   =================================================== */
.expert-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover {
  border-color: var(--brand-red);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.expert-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--brand-red);
  background: var(--dark-border);
}
.expert-name { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.expert-title { font-size: .82rem; color: var(--brand-orange); margin-bottom: 10px; }
.expert-desc { font-size: .82rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.6; }
.expert-works { font-size: .78rem; color: var(--text-muted); margin-bottom: 12px; }
.expert-works span { color: var(--brand-orange); font-weight: 600; }
.expert-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }

/* ===================================================
   STATS SECTION
   =================================================== */
.stats-section {
  background: linear-gradient(135deg, rgba(255,77,0,.08) 0%, rgba(255,140,0,.05) 100%);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 2.4rem; font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.stat-label { font-size: .85rem; color: var(--text-muted); margin-top: 4px; }

/* ===================================================
   COMMUNITY FEATURES（社区功能）
   =================================================== */
.community-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.community-feat-item {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
}
.community-feat-item:hover {
  border-color: var(--brand-red);
  transform: translateY(-3px);
}
.community-feat-icon {
  width: 48px; height: 48px;
  background: rgba(255,77,0,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.4rem;
}
.community-feat-item h4 { font-size: .9rem; margin-bottom: 6px; }
.community-feat-item p { font-size: .8rem; color: var(--text-muted); margin: 0; }

/* ===================================================
   AI SECTION
   =================================================== */
.ai-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ai-feature-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ai-feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--brand-gradient);
  transform: scaleX(0);
  transition: transform .3s;
}
.ai-feature-card:hover::before { transform: scaleX(1); }
.ai-feature-card:hover {
  border-color: var(--brand-red);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.ai-icon {
  width: 52px; height: 52px;
  background: rgba(255,77,0,.1);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  font-size: 1.5rem;
}
.ai-feature-card h4 { font-size: .95rem; margin-bottom: 8px; }
.ai-feature-card p { font-size: .85rem; color: var(--text-muted); margin: 0; line-height: 1.7; }

/* ===================================================
   FAQ
   =================================================== */
.faq-item {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--brand-red); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600; font-size: .95rem;
  color: var(--text-primary);
  transition: var(--transition);
  user-select: none;
}
.faq-question:hover { color: var(--brand-red); }
.faq-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(255,77,0,.1);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--brand-red); }
.faq-icon svg { width: 12px; height: 12px; fill: var(--brand-red); }
.faq-item.open .faq-icon svg { fill: #fff; }
.faq-answer {
  display: none;
  padding: 0 22px 18px;
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.faq-item.open .faq-answer { display: block; }

/* ===================================================
   REVIEWS
   =================================================== */
.review-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: var(--transition);
}
.review-card:hover {
  border-color: var(--brand-red);
  transform: translateY(-3px);
}
.review-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--brand-gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.review-name { font-weight: 600; font-size: .92rem; }
.review-date { font-size: .75rem; color: var(--text-muted); }
.review-stars { color: #ffb400; font-size: .9rem; letter-spacing: 2px; margin-bottom: 4px; }
.review-text { font-size: .88rem; color: var(--text-secondary); line-height: 1.7; }
.review-platform { font-size: .75rem; color: var(--text-muted); margin-top: 8px; }

/* ===================================================
   CONTACT SECTION
   =================================================== */
.contact-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-info-item {
  display: flex; align-items: flex-start; gap: 14px;
  margin-bottom: 20px;
}
.contact-icon {
  width: 42px; height: 42px;
  background: rgba(255,77,0,.1);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; fill: var(--brand-red); }
.contact-info-item h5 { font-size: .88rem; color: var(--text-muted); margin-bottom: 2px; }
.contact-info-item p { font-size: .95rem; color: var(--text-primary); margin: 0; }
.qrcode-grid { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 20px; }
.qrcode-item { text-align: center; }
.qrcode-item img {
  width: 110px; height: 110px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--dark-border);
}
.qrcode-item p { font-size: .78rem; color: var(--text-muted); margin-top: 6px; }

/* ===================================================
   PARTNER LOGOS
   =================================================== */
.partner-logos {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center;
  gap: 16px;
}
.partner-logo-item {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-size: .88rem; font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition);
}
.partner-logo-item:hover {
  border-color: var(--brand-red);
  color: var(--brand-red);
}

/* ===================================================
   SOCIAL SHARE
   =================================================== */
.social-share { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: .82rem; font-weight: 600;
  transition: var(--transition);
  border: 1px solid var(--dark-border);
  color: var(--text-secondary);
}
.share-btn:hover { transform: translateY(-2px); }
.share-btn.wechat:hover { background: #07c160; border-color: #07c160; color: #fff; }
.share-btn.weibo:hover { background: #e6162d; border-color: #e6162d; color: #fff; }
.share-btn.douyin:hover { background: #000; border-color: #69c9d0; color: #69c9d0; }
.share-btn.bilibili:hover { background: #00a1d6; border-color: #00a1d6; color: #fff; }

/* ===================================================
   FOOTER
   =================================================== */
#site-footer {
  background: #090910;
  border-top: 1px solid var(--dark-border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--dark-border);
}
.footer-brand .logo-text {
  font-size: 1.3rem; font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin: 10px 0 12px;
}
.footer-brand p { font-size: .87rem; color: var(--text-muted); line-height: 1.8; }
.footer-domain { font-size: .82rem !important; color: var(--text-muted) !important; margin-top: 8px; }
.footer-domain a { color: var(--brand-orange); }
.footer-domain a:hover { color: var(--brand-red); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; color: var(--text-muted);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--brand-red);
  border-color: var(--brand-red);
  color: #fff;
}
.footer-col h5 {
  font-size: .9rem; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--dark-border);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: .85rem; color: var(--text-muted);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--brand-red); padding-left: 4px; }
.footer-col ul li span { font-size: .85rem; color: var(--text-muted); }
.footer-bottom {
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: .82rem; color: var(--text-muted);
}
.footer-copy a { color: var(--text-muted); }
.footer-copy a:hover { color: var(--brand-red); }
.footer-update { color: var(--brand-orange); font-weight: 500; }

/* ===================================================
   BREADCRUMB（内页）
   =================================================== */
.page-hero {
  background: linear-gradient(135deg, #13131e 0%, #1a1a2e 100%);
  border-bottom: 1px solid var(--dark-border);
  padding: 50px 0 40px;
}
.page-hero h1 { margin-bottom: 10px; }
.page-hero p { color: var(--text-secondary); }

/* ===================================================
   SCROLL TO TOP
   =================================================== */
#scrollTopBtn {
  position: fixed; bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  background: var(--brand-gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(255,77,0,.4);
}
#scrollTopBtn.show { opacity: 1; pointer-events: auto; }
#scrollTopBtn:hover { transform: translateY(-3px); }

/* ===================================================
   LAZY LOAD
   =================================================== */
.lazy-img { opacity: 0; transition: opacity .4s; }
.lazy-img.loaded { opacity: 1; }

/* ===================================================
   SCROLLBAR
   =================================================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-bg); }
::-webkit-scrollbar-thumb { background: var(--dark-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--brand-red); }

/* ===================================================
   INNER PAGE COMPONENTS
   =================================================== */
.inner-section { padding: 60px 0; }
.inner-section:nth-child(even) { background: rgba(255,255,255,.015); }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: .88rem; font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: .9rem;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}
.form-control:focus { border-color: var(--brand-red); }
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 120px; }

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .community-features { grid-template-columns: repeat(2, 1fr); }
  .ent-zone-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .main-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: rgba(13,13,20,.98); border-bottom: 1px solid var(--dark-border); z-index: 999; }
  .main-nav.open { display: block; }
  .main-nav > ul { flex-direction: column; padding: 12px 0; gap: 0; }
  .main-nav > ul > li > a { padding: 12px 20px; border-radius: 0; }
  .sub-menu { position: static; display: none !important; box-shadow: none; border: none; padding: 0 0 0 20px; background: transparent; }
  .has-sub.open .sub-menu { display: block !important; }
  .menu-toggle { display: flex; }
  .header-search { display: none; }
  .header-inner { height: auto; padding: 12px 0; flex-wrap: wrap; }
  .hero-section { min-height: 420px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .section { padding: 50px 0; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .community-features { grid-template-columns: repeat(2, 1fr); }
  .ent-zone-grid { grid-template-columns: 1fr; }
  .ai-feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cat-tabs { gap: 6px; }
  .cat-tab { padding: 6px 14px; font-size: .82rem; }
  .community-features { grid-template-columns: 1fr; }
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 1.8rem; }
}

/* ===================================================
   补充样式：视频卡片标签、副标题、娱乐专区增强
   =================================================== */

/* 视频卡片内标签组 */
.video-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}

/* 视频卡片H5副标题 */
.video-subtitle {
  font-size: .75rem;
  color: var(--brand-orange);
  font-weight: 600;
  margin-top: 6px;
  margin-bottom: 0;
  opacity: .85;
  letter-spacing: .02em;
}

/* 娱乐专区卡片H6标签行 */
.ent-info h6 {
  font-size: .75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  margin-bottom: 0;
}

/* 娱乐专区卡片过渡动画 */
.ent-card {
  transition: opacity .3s ease, transform .3s ease;
}
.ent-card[style*="display: none"] {
  opacity: 0;
}

/* 影视传媒六大模块卡片H6 */
.card .card-body h6 {
  font-size: .78rem;
  font-weight: 600;
  margin-bottom: 0;
}

/* AI功能卡片H6 */
.ai-feature-card h6 {
  font-size: .78rem;
  font-weight: 600;
  margin-top: 10px;
  margin-bottom: 0;
}

/* 专家卡片内标签 */
.expert-card .video-tags {
  justify-content: center;
  margin-top: 10px;
  margin-bottom: 12px;
}

/* 社区功能展示网格 */
.community-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 10px;
}

/* 合规声明区域 */
.compliance-section {
  background: rgba(255, 77, 0, .05);
  border: 1px solid rgba(255, 77, 0, .15);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-top: 40px;
}
.compliance-section h5 {
  color: var(--brand-orange);
  margin-bottom: 8px;
}
.compliance-section p {
  font-size: .85rem;
  color: var(--text-muted);
  margin: 0;
}

/* 面包屑导航 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-muted);
  padding: 12px 0;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--text-muted);
  transition: color .2s;
}
.breadcrumb a:hover { color: var(--brand-orange); }
.breadcrumb .sep { color: var(--text-muted); opacity: .5; }
.breadcrumb .current { color: var(--text-secondary); }

/* 内页Hero区 */
.inner-hero {
  background: linear-gradient(135deg, #13131e 0%, #1a1a2e 100%);
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--dark-border);
}
.inner-hero h1 {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}
.inner-hero p {
  color: var(--text-secondary);
  max-width: 600px;
}

/* 响应式补充 */
@media (max-width: 1024px) {
  .community-features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .community-features { grid-template-columns: repeat(2, 1fr); }
  .video-tags { gap: 3px; }
  .video-subtitle { font-size: .7rem; }
}
@media (max-width: 480px) {
  .community-features { grid-template-columns: 1fr; }
  .video-tags .tag { font-size: .68rem; padding: 2px 6px; }
}