/* =============================================
   双飞 - 原创主题样式
   配色方案：玫瑰金 #E8736A + 珊瑚 #F4A89A + 深棕 #2D1B1A + 米白 #FFF8F6
   ============================================= */

/* ---- 全局重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', Helvetica, Arial, sans-serif;
  background: #FFF8F6;
  color: #2D1B1A;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: #E8736A; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- CSS 变量 ---- */
:root {
  --primary:   #E8736A;
  --primary-d: #C9534A;
  --secondary: #F4A89A;
  --accent:    #D4A574;
  --dark:      #2D1B1A;
  --dark2:     #4A2E2C;
  --light:     #FFF8F6;
  --light2:    #FDE8E4;
  --gray:      #8C6B68;
  --border:    #F0D5D0;
  --shadow:    0 4px 24px rgba(232,115,106,.12);
  --shadow-lg: 0 8px 40px rgba(232,115,106,.18);
  --radius:    14px;
  --radius-sm: 8px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ---- 顶部通知栏 ---- */
.top-notice {
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  text-align: center;
  font-size: .82rem;
  padding: 7px 16px;
  letter-spacing: .04em;
}
.top-notice a { color: #fff; text-decoration: underline; }

/* ---- 导航栏 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,248,246,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(232,115,106,.08);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 68px;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}
.nav-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--dark2);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  background: var(--light2);
  color: var(--primary);
}

/* 搜索框 */
.nav-search {
  display: flex;
  align-items: center;
  background: var(--light2);
  border: 1.5px solid var(--border);
  border-radius: 24px;
  padding: 6px 14px;
  gap: 8px;
  min-width: 200px;
  transition: var(--transition);
}
.nav-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,115,106,.15);
}
.nav-search input {
  border: none;
  background: transparent;
  font-size: .88rem;
  color: var(--dark);
  outline: none;
  width: 100%;
}
.nav-search input::placeholder { color: var(--gray); }
.nav-search-btn {
  color: var(--primary);
  font-size: 1rem;
  padding: 0;
  line-height: 1;
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* 移动端导航面板 */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
}
.mobile-nav.open { display: block; }
.mobile-nav-overlay {
  position: absolute;
  inset: 0;
  background: rgba(45,27,26,.5);
}
.mobile-nav-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 280px;
  height: 100%;
  background: var(--light);
  padding: 24px;
  overflow-y: auto;
  box-shadow: -4px 0 24px rgba(0,0,0,.15);
}
.mobile-nav-close {
  font-size: 1.4rem;
  color: var(--gray);
  margin-bottom: 24px;
  display: block;
  text-align: right;
}
.mobile-nav-links a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
  color: var(--dark);
}

/* 搜索行（导航下方） */
.nav-search-row {
  background: var(--light2);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
}
.nav-search-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 28px;
  padding: 8px 18px;
  gap: 10px;
  box-shadow: var(--shadow);
}
.nav-search-inner input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: .95rem;
  color: var(--dark);
  outline: none;
}
.nav-search-inner input::placeholder { color: var(--gray); }
.nav-search-inner button {
  background: var(--primary);
  color: #fff;
  border-radius: 20px;
  padding: 6px 18px;
  font-size: .88rem;
  font-weight: 600;
  transition: var(--transition);
}
.nav-search-inner button:hover { background: var(--primary-d); }

/* ---- 面包屑 ---- */
.breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  font-size: .82rem;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { color: var(--gray); }

/* ---- 容器 ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- 通用区块标题 ---- */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-tag {
  display: inline-block;
  background: var(--light2);
  color: var(--primary);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-title em {
  color: var(--primary);
  font-style: normal;
}
.section-desc {
  font-size: .95rem;
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto;
}

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 28px;
  font-size: .95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-d) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(232,115,106,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,115,106,.45);
  color: #fff;
}
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-ghost {
  color: var(--primary);
  font-size: .9rem;
  padding: 8px 0;
}
.btn-ghost:hover { text-decoration: underline; }

/* ---- Hero 区 ---- */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #2D1B1A 0%, #4A2E2C 40%, #6B3E3A 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  opacity: .35;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(232,115,106,.3);
  animation: floatUp 6s ease-in-out infinite;
}
@keyframes floatUp {
  0%,100% { transform: translateY(0) scale(1); opacity: .6; }
  50% { transform: translateY(-30px) scale(1.1); opacity: 1; }
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  color: #fff;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232,115,106,.25);
  border: 1px solid rgba(232,115,106,.5);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: .8rem;
  color: var(--secondary);
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.hero h1 em {
  color: var(--secondary);
  font-style: normal;
}
.hero-sub {
  font-size: clamp(.95rem, 2vw, 1.15rem);
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat-item {
  text-align: center;
}
.hero-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
}
.hero-stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
}

/* ---- 热门标签 ---- */
.hot-tags {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  overflow: hidden;
}
.hot-tags-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.hot-tag-label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}
.hot-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--light2);
  border-radius: 14px;
  font-size: .8rem;
  color: var(--dark2);
  transition: var(--transition);
  white-space: nowrap;
}
.hot-tag:hover {
  background: var(--primary);
  color: #fff;
}

/* ---- 通用区块间距 ---- */
.section { padding: 72px 0; }
.section-alt { background: #fff; }
.section-dark {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  color: #fff;
}
.section-dark .section-title { color: #fff; }
.section-dark .section-desc { color: rgba(255,255,255,.65); }

/* ---- 视频卡片网格 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.video-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.video-thumb {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--light2);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.video-card:hover .video-thumb img {
  transform: scale(1.06);
}
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45,27,26,.45);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.video-play-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  transform: scale(.8);
  transition: var(--transition);
}
.video-card:hover .video-play-icon { transform: scale(1); }
.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,.65);
  color: #fff;
  font-size: .72rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-info {
  padding: 14px;
}
.video-title {
  font-size: .92rem;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .78rem;
  color: var(--gray);
}
.video-stats {
  display: flex;
  gap: 10px;
}
.video-stat { display: flex; align-items: center; gap: 3px; }

/* 视频分类标签页 */
.video-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.video-tab {
  padding: 7px 18px;
  border-radius: 20px;
  font-size: .88rem;
  font-weight: 500;
  background: var(--light2);
  color: var(--dark2);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.video-tab.active,
.video-tab:hover {
  background: var(--primary);
  color: #fff;
}

/* ---- 影视传媒标签页 ---- */
.media-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
}
.media-tab-btn {
  padding: 10px 20px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.media-tab-btn.active,
.media-tab-btn:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.media-tab-content { display: none; }
.media-tab-content.active { display: block; }

/* ---- 娱乐专区卡片 ---- */
.ent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.ent-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 1/1.2;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.ent-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.ent-card:hover img { transform: scale(1.08); }
.ent-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(45,27,26,.85) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
}
.ent-card-title {
  font-size: .92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.ent-card-sub {
  font-size: .75rem;
  color: rgba(255,255,255,.7);
}
.ent-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%) scale(.8);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
  opacity: 0;
  transition: var(--transition);
}
.ent-card:hover .ent-card-play {
  opacity: 1;
  transform: translate(-50%,-50%) scale(1);
}

/* ---- AI赋能区 ---- */
.ai-section {
  background: linear-gradient(135deg, #1A0F0E 0%, #2D1B1A 50%, #3D2420 100%);
  position: relative;
  overflow: hidden;
}
.ai-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,115,106,.15) 0%, transparent 70%);
  pointer-events: none;
}
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.ai-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.ai-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: rgba(255,255,255,.05);
  border-radius: var(--radius);
  border: 1px solid rgba(232,115,106,.2);
  transition: var(--transition);
}
.ai-feature-item:hover {
  background: rgba(232,115,106,.1);
  border-color: rgba(232,115,106,.4);
}
.ai-feature-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.ai-feature-text h4 {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.ai-feature-text p {
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  line-height: 1.5;
}
.ai-visual {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.ai-visual img { width: 100%; height: auto; }

/* ---- 社区功能 ---- */
.community-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.community-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.community-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary);
}
.community-card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--light2), var(--border));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 16px;
}
.community-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.community-card p {
  font-size: .82rem;
  color: var(--gray);
  line-height: 1.5;
}

/* ---- 专家展示 ---- */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.expert-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}
.expert-info {
  padding: 20px;
}
.expert-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.expert-role {
  font-size: .8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}
.expert-desc {
  font-size: .82rem;
  color: var(--gray);
  line-height: 1.5;
  margin-bottom: 14px;
}
.expert-awards {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.expert-award {
  background: var(--light2);
  color: var(--primary);
  font-size: .72rem;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
}
.expert-actions {
  display: flex;
  gap: 8px;
}
.expert-actions .btn {
  flex: 1;
  justify-content: center;
  padding: 8px 12px;
  font-size: .82rem;
}

/* ---- 合作品牌 ---- */
.partners-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.partner-logo {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--gray);
  transition: var(--transition);
  text-align: center;
  min-width: 120px;
}
.partner-logo:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow);
}

/* ---- 加入社区指南 ---- */
.join-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.join-step {
  text-align: center;
  padding: 28px 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}
.join-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: .82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 28px;
  text-align: center;
}
.join-step-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.join-step h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.join-step p {
  font-size: .82rem;
  color: var(--gray);
  line-height: 1.5;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-size: .95rem;
  font-weight: 600;
  color: var(--dark);
  transition: var(--transition);
  gap: 12px;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--light2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner {
  padding: 0 22px 18px;
  font-size: .88rem;
  color: var(--gray);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ---- 用户评价 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
}
.review-user-name {
  font-size: .92rem;
  font-weight: 700;
  color: var(--dark);
}
.review-user-tag {
  font-size: .75rem;
  color: var(--gray);
}
.review-stars {
  margin-left: auto;
  color: #F5A623;
  font-size: .9rem;
  letter-spacing: 1px;
}
.review-text {
  font-size: .88rem;
  color: var(--dark2);
  line-height: 1.7;
  margin-bottom: 12px;
}
.review-date {
  font-size: .75rem;
  color: var(--gray);
}

/* ---- 联系我们 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--light2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--primary);
  flex-shrink: 0;
}
.contact-label {
  font-size: .78rem;
  color: var(--gray);
  margin-bottom: 2px;
}
.contact-value {
  font-size: .92rem;
  font-weight: 600;
  color: var(--dark);
}
.qr-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.qr-box {
  text-align: center;
}
.qr-box img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  margin: 0 auto 8px;
}
.qr-box p {
  font-size: .78rem;
  color: var(--gray);
}

/* ---- 社交分享 ---- */
.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.share-label {
  font-size: .85rem;
  color: var(--gray);
  font-weight: 600;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: 1.5px solid;
}
.share-btn-wechat { border-color: #07C160; color: #07C160; }
.share-btn-wechat:hover { background: #07C160; color: #fff; }
.share-btn-weibo { border-color: #E6162D; color: #E6162D; }
.share-btn-weibo:hover { background: #E6162D; color: #fff; }
.share-btn-douyin { border-color: #010101; color: #010101; }
.share-btn-douyin:hover { background: #010101; color: #fff; }
.share-btn-bilibili { border-color: #00A1D6; color: #00A1D6; }
.share-btn-bilibili:hover { background: #00A1D6; color: #fff; }

/* ---- 信任徽章 ---- */
.trust-badges {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 40px 0;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--gray);
}
.trust-badge-icon {
  width: 32px;
  height: 32px;
  background: var(--light2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--primary);
}

/* ---- 视频模态框 ---- */
.qqjwire2 {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0,0,0,.85);
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.qqjwire2.open { display: flex; }
.qqjwire2-inner {
  background: var(--dark);
  border-radius: var(--radius);
  width: 100%;
  max-width: 720px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.qqjwire2-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 1;
  transition: var(--transition);
}
.qqjwire2-close:hover { background: var(--primary); }
.qqjwire2-title {
  padding: 16px 20px;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}
.qqjwire2-player {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.q6vu8 {
  text-align: center;
  color: rgba(255,255,255,.6);
}
.q6vu8 p { font-size: .9rem; margin-top: 12px; }
.c8smi {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255,255,255,.1);
}
.hugvj {
  height: 100%;
  background: var(--primary);
  width: 0;
  animation: loadBar 2s ease forwards;
}
@keyframes loadBar { to { width: 100%; } }

/* ---- 页脚 ---- */
.site-footer {
  background: linear-gradient(135deg, #1A0F0E 0%, #2D1B1A 100%);
  color: rgba(255,255,255,.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .nav-logo-text { color: var(--secondary); font-size: 1.3rem; }
.footer-brand p {
  font-size: .85rem;
  line-height: 1.7;
  margin-top: 12px;
  color: rgba(255,255,255,.55);
}
.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-logo-wrap img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}
.footer-col h4 {
  font-size: .9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .04em;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  font-size: .83rem;
  color: rgba(255,255,255,.55);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--secondary); }
.footer-bottom {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: var(--secondary); }
.footer-update {
  color: rgba(255,255,255,.35);
  font-size: .75rem;
}

/* ---- 内页 Hero ---- */
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  padding: 60px 0;
  color: #fff;
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.page-hero p {
  font-size: 1rem;
  color: rgba(255,255,255,.7);
  max-width: 560px;
  margin: 0 auto;
}

/* ---- 内页内容 ---- */
.inner-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 24px;
}

/* ---- 创作工具卡片 ---- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.tool-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary);
}
.tool-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--light2), var(--border));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.tool-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.tool-card p {
  font-size: .83rem;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 16px;
}
.tool-tag {
  display: inline-block;
  background: var(--light2);
  color: var(--primary);
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}

/* ---- 回到顶部 ---- */
.1g6cjkl1 {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(232,115,106,.4);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 500;
  border: none;
}
.1g6cjkl1.visible { opacity: 1; transform: translateY(0); }
.1g6cjkl1:hover { background: var(--primary-d); transform: translateY(-2px); }

/* ---- 懒加载占位 ---- */
img[data-src] { background: var(--light2); }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-search { display: none; }
  .hamburger { display: flex; }
  .hero { min-height: 420px; }
  .hero-stats { gap: 24px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .ent-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 48px 0; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .experts-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; }
  .1g6cjkl1 { bottom: 16px; right: 16px; }
}

/* ---- 动画 ---- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }