/* =============================================
   51视频 - 主样式文件
   Brand: 51视频 | Domain: dLtcLupm.cn
   ============================================= */

/* ---- CSS变量 ---- */
:root {
  --primary: #6c3fff;
  --primary-dark: #4a1fcc;
  --secondary: #ff3f9f;
  --accent: #3f9fff;
  --gold: #ffcf3f;
  --dark: #0a0a1e;
  --dark-2: #12122e;
  --dark-3: #1a1a3e;
  --text: #1a1a2e;
  --text-light: #5a5a7a;
  --text-muted: #8888aa;
  --bg: #ffffff;
  --bg-soft: #f8f0ff;
  --bg-card: #ffffff;
  --border: #e8e0f8;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(108,63,255,0.12);
  --shadow-hover: 0 8px 32px rgba(108,63,255,0.22);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: '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); color: var(--text); background: var(--bg); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { line-height: 1.3; font-weight: 700; }

/* ---- 容器 ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---- 顶部公告 ---- */
.top-notice {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.notice-btn {
  background: rgba(255,255,255,0.25);
  color: #fff;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  border: 1px solid rgba(255,255,255,0.5);
  white-space: nowrap;
}
.notice-btn:hover { background: rgba(255,255,255,0.4); color: #fff; }

/* ---- 头部 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,10,30,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(108,63,255,0.2);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img { width: 40px; height: 40px; object-fit: contain; }
.logo-text { font-size: 1.4rem; font-weight: 800; color: #fff; letter-spacing: -0.5px; }
.logo-text em { font-style: normal; color: var(--gold); }
.main-nav ul { display: flex; gap: 4px; align-items: center; }
.main-nav a {
  color: rgba(255,255,255,0.85);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  color: #fff;
  background: rgba(108,63,255,0.3);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- 搜索栏 ---- */
.search-bar-wrap {
  background: rgba(10,10,30,0.95);
  border-top: 1px solid rgba(108,63,255,0.15);
  padding: 10px 0;
}
.search-form {
  display: flex;
  align-items: center;
  max-width: 600px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(108,63,255,0.3);
  border-radius: 30px;
  overflow: hidden;
  transition: var(--transition);
}
.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,63,255,0.15);
}
.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 10px 20px;
  color: #fff;
  font-size: 0.9rem;
  font-family: var(--font);
}
.search-input::placeholder { color: rgba(255,255,255,0.4); }
.search-btn {
  background: var(--primary);
  border: none;
  color: #fff;
  padding: 10px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-family: var(--font);
  transition: var(--transition);
}
.search-btn:hover { background: var(--primary-dark); }
.search-tip {
  margin-top: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
  padding: 0 20px;
}

/* ---- 面包屑 ---- */
.breadcrumb-nav {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 8px; color: var(--border); }
.breadcrumb a { color: var(--primary); }
.breadcrumb .active { color: var(--text-light); }

/* ---- Hero Banner ---- */
.hero-section { position: relative; overflow: hidden; }
.hero-slider { position: relative; height: 540px; }
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,30,0.85) 0%, rgba(10,10,30,0.5) 60%, rgba(10,10,30,0.3) 100%);
}
.hero-slide.active { opacity: 1; }
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 20px;
}
.hero-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
  margin-bottom: 12px;
}
.hero-sub {
  color: rgba(255,255,255,0.85);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  margin-bottom: 24px;
  max-width: 600px;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-item strong { display: block; font-size: 1.4rem; color: var(--gold); font-weight: 800; }
.stat-item span { font-size: 0.82rem; color: rgba(255,255,255,0.7); }
.slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
}
.dot.active { background: #fff; width: 24px; border-radius: 4px; }

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-family: var(--font);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 15px rgba(108,63,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108,63,255,0.45);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  color: #fff;
}
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ---- 快捷导航 ---- */
.quick-nav-section {
  background: var(--dark);
  border-bottom: 1px solid rgba(108,63,255,0.2);
}
.quick-nav-list {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  gap: 0;
}
.quick-nav-list::-webkit-scrollbar { display: none; }
.quick-nav-list li a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 20px;
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  white-space: nowrap;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}
.quick-nav-list li a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
  background: rgba(255,207,63,0.05);
}
.qn-icon { font-size: 1.3rem; }

/* ---- 通用Section ---- */
.section { padding: 64px 0; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--dark);
  margin-bottom: 12px;
  position: relative;
}
.section-title .title-tag {
  color: var(--primary);
  margin-right: 6px;
}
.section-desc {
  color: var(--text-light);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto 12px;
}
.more-link {
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
}
.more-link:hover { color: var(--primary-dark); }
.text-center { text-align: center; }
.highlight { color: var(--primary); }

/* ---- 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/2;
  cursor: pointer;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-overlay { opacity: 1; }
.play-btn-circle {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(108,63,255,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(108,63,255,0.5);
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover .play-btn-circle { transform: scale(1); }
.video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.video-tag.tag-hot { background: #ff4444; }
.video-tag.tag-romance { background: var(--secondary); }
.video-tag.tag-scifi { background: var(--accent); }
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
}
.video-info { padding: 16px; }
.video-info h3 { font-size: 0.95rem; margin-bottom: 8px; line-height: 1.4; }
.video-info h3 a { color: var(--text); }
.video-info h3 a:hover { color: var(--primary); }
.video-meta { display: flex; gap: 12px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; flex-wrap: wrap; }
.video-desc { font-size: 0.83rem; color: var(--text-light); line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.video-tags span {
  background: var(--bg-soft);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  border: 1px solid var(--border);
}

/* ---- 影视传媒板块 ---- */
.media-section { background: var(--bg-soft); }
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.media-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  text-align: center;
}
.media-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.media-icon { font-size: 2.5rem; margin-bottom: 14px; }
.media-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--dark); }
.media-card p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 16px; line-height: 1.6; }
.card-link { color: var(--primary); font-size: 0.88rem; font-weight: 600; }

/* ---- AI板块 ---- */
.ai-section { background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%); }
.ai-section .section-title { color: #fff; }
.ai-section .section-title .highlight { color: var(--gold); }
.ai-content { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.ai-text h3 { font-size: 1.2rem; color: var(--gold); margin-bottom: 16px; }
.ai-text p { color: rgba(255,255,255,0.8); margin-bottom: 16px; font-size: 0.95rem; }
.ai-features { margin: 20px 0; display: flex; flex-direction: column; gap: 12px; }
.ai-features li { display: flex; align-items: flex-start; gap: 10px; color: rgba(255,255,255,0.85); font-size: 0.9rem; }
.feat-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.ai-image img { border-radius: var(--radius-lg); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }

/* ---- 娱乐专区 ---- */
.ent-tabs { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.tab-btn {
  padding: 8px 20px;
  border-radius: 20px;
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text-light);
  cursor: pointer;
  font-size: 0.88rem;
  font-family: var(--font);
  transition: var(--transition);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.tab-content { display: none; }
.tab-content.active { display: block; }
.short-video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.short-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); cursor: pointer; transition: var(--transition); }
.short-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.short-thumb { position: relative; aspect-ratio: 9/16; max-height: 280px; overflow: hidden; }
.short-thumb img { width: 100%; height: 100%; object-fit: cover; }
.short-play {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.short-card:hover .short-play { opacity: 1; }
.short-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
}
.short-card p { padding: 10px 12px 4px; font-size: 0.85rem; font-weight: 600; color: var(--text); }
.short-views { padding: 0 12px 10px; font-size: 0.78rem; color: var(--text-muted); display: block; }
.cosplay-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.cosplay-card { border-radius: var(--radius); overflow: hidden; position: relative; aspect-ratio: 3/4; cursor: pointer; }
.cosplay-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.cosplay-card:hover img { transform: scale(1.05); }
.cosplay-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: 20px 14px 14px;
  color: #fff;
}
.cosplay-info h4 { font-size: 0.9rem; margin-bottom: 4px; }
.cosplay-info p { font-size: 0.78rem; opacity: 0.8; }
.nijigen-content { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.nijigen-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.nijigen-card h4 { font-size: 1rem; margin-bottom: 10px; color: var(--primary); }
.nijigen-card p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 14px; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.gallery-grid img { border-radius: var(--radius); aspect-ratio: 3/2; object-fit: cover; cursor: pointer; transition: var(--transition); }
.gallery-grid img:hover { transform: scale(1.03); box-shadow: var(--shadow-hover); }

/* ---- 专家团队 ---- */
.experts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.expert-card > img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.expert-info { padding: 20px; }
.expert-info h3 { font-size: 1.1rem; margin-bottom: 4px; }
.expert-title { color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-bottom: 10px; }
.expert-desc { font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
.expert-awards { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.expert-awards span { font-size: 0.8rem; color: var(--text-muted); }
.expert-actions { display: flex; gap: 8px; }

/* ---- 生活技能 ---- */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.skill-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.skill-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.skill-card img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.skill-info { padding: 18px; }
.skill-info h3 { font-size: 1rem; margin-bottom: 8px; }
.skill-info p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; }
.skill-tag {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  border: 1px solid var(--border);
  margin-right: 6px;
}

/* ---- 合作品牌 ---- */
.partners-section { background: var(--bg-soft); }
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
}
.partner-logo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.partner-logo:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.join-guide { background: var(--bg-card); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.join-guide h3 { font-size: 1.3rem; margin-bottom: 24px; text-align: center; color: var(--dark); }
.join-steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.join-step { text-align: center; }
.step-num {
  display: inline-block;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 48px;
  margin-bottom: 12px;
}
.join-step h4 { font-size: 0.95rem; margin-bottom: 8px; }
.join-step p { font-size: 0.83rem; color: var(--text-light); }

/* ---- 用户评价 ---- */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.review-card {
  background: var(--bg-card);
  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-hover); }
.review-stars { color: var(--gold); font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }
.review-text { font-size: 0.88rem; color: var(--text); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 10px; }
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}
.review-author strong { display: block; font-size: 0.9rem; }
.review-author span { font-size: 0.78rem; color: var(--text-muted); }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  transition: var(--transition);
}
.faq-q:hover { background: var(--bg-soft); }
.faq-q h3 { font-size: 0.95rem; font-weight: 600; color: var(--dark); }
.faq-arrow { color: var(--primary); font-size: 0.8rem; transition: var(--transition); flex-shrink: 0; margin-left: 12px; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 22px 18px; }
.faq-item.open .faq-a { display: block; }
.faq-a p { font-size: 0.88rem; color: var(--text-light); line-height: 1.7; }

/* ---- 分享按钮 ---- */
.share-section { background: var(--bg-soft); }
.share-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 25px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  transition: var(--transition);
  cursor: pointer;
}
.share-btn.weixin { background: #07c160; }
.share-btn.weibo { background: #e6162d; }
.share-btn.douyin { background: #000; }
.share-btn.bilibili { background: #00a1d6; }
.share-btn.qq { background: #12b7f5; }
.share-btn:hover { transform: translateY(-2px); opacity: 0.9; color: #fff; }

/* ---- 联系我们 ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
.contact-info h3 { font-size: 1.2rem; margin-bottom: 12px; color: var(--dark); }
.contact-info p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 16px; }
.contact-list { display: flex; flex-direction: column; gap: 12px; }
.contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.88rem; color: var(--text); }
.contact-list li span:first-child { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.business-hours { margin-top: 16px; font-size: 0.85rem; color: var(--text-muted); padding: 10px; background: var(--bg-soft); border-radius: 8px; }
.contact-qr { display: flex; gap: 20px; justify-content: center; align-items: flex-start; }
.qr-item { text-align: center; }
.qr-item img { width: 120px; height: 120px; object-fit: contain; border-radius: 10px; border: 2px solid var(--border); margin-bottom: 8px; }
.qr-item p { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.qr-item small { font-size: 0.75rem; color: var(--text-muted); }
.community-links { display: flex; flex-direction: column; gap: 12px; }
.comm-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
  color: var(--text);
}
.comm-link:hover { border-color: var(--primary); background: rgba(108,63,255,0.05); color: var(--text); }
.comm-icon { font-size: 1.5rem; }
.comm-link strong { display: block; font-size: 0.88rem; }
.comm-link p { font-size: 0.78rem; color: var(--text-muted); margin: 0; }

/* ---- 页脚 ---- */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.75); }
.footer-top { padding: 48px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand .footer-logo { width: 48px; margin-bottom: 12px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-social a {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-links h4 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: rgba(255,255,255,0.65); font-size: 0.85rem; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 0;
  text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-bottom: 4px; }
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--gold); }
.update-time { color: rgba(255,255,255,0.4) !important; font-size: 0.78rem !important; }

/* ---- 内页Hero ---- */
.page-hero {
  padding: 64px 0;
  background-size: cover;
  background-position: center;
  position: relative;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); color: #fff; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.8); font-size: 1rem; }
.hero-overlay { position: absolute; inset: 0; background: rgba(10,10,30,0.7); }
.anime-hero .container { position: relative; z-index: 2; }
.anime-filter-tags { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.filter-tag {
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}
.filter-tag.active, .filter-tag:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ---- 关于页面 ---- */
.about-intro { max-width: 800px; margin: 0 auto 40px; }
.about-intro h2 { font-size: 1.5rem; margin-bottom: 16px; color: var(--dark); }
.about-intro p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.8; }
.about-stats { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.stat-box { text-align: center; background: var(--bg-card); border-radius: var(--radius); padding: 24px 32px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.stat-box strong { display: block; font-size: 1.8rem; color: var(--primary); font-weight: 800; }
.stat-box span { font-size: 0.85rem; color: var(--text-muted); }
.mission-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.mission-card { background: var(--bg-card); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); text-align: center; border: 1px solid var(--border); }
.mission-icon { font-size: 2.5rem; margin-bottom: 14px; }
.mission-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--primary); }
.mission-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.7; }
.jobs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.job-card { background: var(--bg-card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.job-card h3 { font-size: 1rem; margin-bottom: 10px; color: var(--dark); }
.job-card p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.6; }
.legal-content { max-width: 800px; }
.legal-content p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.7; }

/* ---- 联系页面 ---- */
.contact-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-detail h2 { font-size: 1.4rem; margin-bottom: 12px; }
.contact-detail p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 20px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.ci-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.contact-item strong { display: block; font-size: 0.9rem; font-weight: 700; margin-bottom: 3px; }
.contact-item p { font-size: 0.85rem; color: var(--text-light); margin: 0; }
.contact-qr-page { display: flex; flex-direction: column; gap: 24px; align-items: center; }
.contact-qr-page .qr-item img { width: 160px; height: 160px; }
.coop-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.coop-card { background: var(--bg-card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); text-align: center; transition: var(--transition); }
.coop-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.coop-icon { font-size: 2rem; margin-bottom: 12px; }
.coop-card h3 { font-size: 0.95rem; margin-bottom: 8px; color: var(--dark); }
.coop-card p { font-size: 0.83rem; color: var(--text-light); line-height: 1.6; }

/* ---- 创作中心 ---- */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.benefit-card { background: var(--bg-card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); text-align: center; transition: var(--transition); }
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.benefit-icon { font-size: 2.2rem; margin-bottom: 12px; }
.benefit-card h3 { font-size: 0.95rem; margin-bottom: 8px; color: var(--dark); }
.benefit-card p { font-size: 0.83rem; color: var(--text-light); line-height: 1.6; }
.create-types { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.create-type-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.create-type-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.create-type-card img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.ct-info { padding: 18px; }
.ct-info h3 { font-size: 0.95rem; margin-bottom: 8px; }
.ct-info p { font-size: 0.83rem; color: var(--text-light); margin-bottom: 12px; }
.film-services { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.film-service { background: var(--bg-card); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.film-service h3 { font-size: 0.95rem; margin-bottom: 10px; color: var(--dark); }
.film-service p { font-size: 0.83rem; color: var(--text-light); line-height: 1.6; }

/* ---- 社区页面 ---- */
.comm-features { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.comm-feat { background: var(--bg-card); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); border: 1px solid var(--border); text-align: center; transition: var(--transition); }
.comm-feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cf-icon { font-size: 2.5rem; margin-bottom: 14px; }
.comm-feat h3 { font-size: 1rem; margin-bottom: 10px; color: var(--dark); }
.comm-feat p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.6; }
.cosplay-showcase { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.cs-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.cs-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cs-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.cs-info { padding: 14px; background: var(--bg-card); }
.cs-info h3 { font-size: 0.9rem; margin-bottom: 4px; }
.cs-info p { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 6px; }
.cs-info span { font-size: 0.78rem; color: var(--text-light); }

/* ---- 工具页面 ---- */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.tool-card { background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.tool-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.tool-header { padding: 24px; text-align: center; color: #fff; }
.tool-icon { font-size: 2.5rem; margin-bottom: 10px; }
.tool-header h3 { font-size: 1.1rem; color: #fff; }
.tool-body { padding: 20px; }
.tool-body p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.6; }
.tool-features { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.tool-features li { font-size: 0.82rem; color: var(--text-light); padding-left: 14px; position: relative; }
.tool-features li::before { content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.ai-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.ai-showcase img { border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); }
.ai-desc h2 { font-size: 1.5rem; margin-bottom: 8px; }
.ai-desc h3 { font-size: 1rem; color: var(--primary); margin-bottom: 14px; }
.ai-desc p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.7; }

/* ---- 动漫列表 ---- */
.tutorial-list { display: flex; flex-direction: column; gap: 16px; }
.tutorial-item { display: flex; gap: 16px; align-items: flex-start; background: var(--bg-card); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.tutorial-item:hover { transform: translateX(4px); box-shadow: var(--shadow-hover); }
.tut-num { font-size: 2rem; font-weight: 800; color: var(--border); flex-shrink: 0; line-height: 1; }
.tut-content h3 { font-size: 0.95rem; margin-bottom: 6px; }
.tut-content h3 a { color: var(--text); }
.tut-content h3 a:hover { color: var(--primary); }
.tut-content p { font-size: 0.83rem; color: var(--text-light); margin-bottom: 6px; }
.tut-meta { font-size: 0.78rem; color: var(--text-muted); }
.load-more-wrap { text-align: center; margin-top: 32px; }

/* ---- 模态框（视频播放） ---- */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.video-modal.open { display: flex; }
.modal-inner {
  background: var(--dark-2);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 700px;
  width: 90%;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover { color: #fff; }
.modal-video-placeholder {
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  margin-bottom: 14px;
  flex-direction: column;
  gap: 10px;
}
.modal-video-placeholder svg { opacity: 0.4; }
.modal-title { color: #fff; font-size: 1rem; }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .ai-content { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ai-showcase { grid-template-columns: 1fr; }
  .contact-page-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--dark); padding: 12px; border-bottom: 1px solid rgba(108,63,255,0.2); }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { display: block; padding: 10px 16px; }
  .nav-toggle { display: flex; }
  .hero-slider { height: 420px; }
  .hero-stats { gap: 16px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 40px 0; }
  .contact-qr { flex-direction: row; }
}

@media (max-width: 480px) {
  .hero-slider { height: 360px; }
  .hero-title { font-size: 1.5rem; }
  .hero-btns { flex-direction: column; gap: 8px; }
  .experts-grid { grid-template-columns: 1fr; }
  .share-btns { gap: 8px; }
  .share-btn { padding: 8px 14px; font-size: 0.8rem; }
  .contact-qr { flex-direction: column; align-items: center; }
  .join-steps { grid-template-columns: 1fr 1fr; }
}

/* ---- 懒加载动画 ---- */
img[loading="lazy"] { opacity: 0; transition: opacity 0.4s ease; }
img.loaded { opacity: 1; }

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

/* =============================================
   51视频 - 补充样式（EEAT优化版）
   ============================================= */

/* ---- 标签云 ---- */
.tag-cloud-section { background: var(--bg-soft); padding: 12px 0; border-bottom: 1px solid var(--border); }
.tag-cloud { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tc-label { font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; flex-shrink: 0; }
.tc-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 0.8rem;
  transition: var(--transition);
}
.tc-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- 视频发布日期 ---- */
.video-date { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 4px; }

/* ---- Section副标题 ---- */
.section-subtitle {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
  text-align: center;
}

/* ---- 专家社交账号 ---- */
.expert-social { margin: 10px 0; }
.expert-social h5 { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; }
.social-link {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  margin-right: 6px;
  margin-bottom: 4px;
  transition: var(--transition);
  font-weight: 500;
}
.weibo-link { background: rgba(230,22,45,0.1); color: #e6162d; border: 1px solid rgba(230,22,45,0.2); }
.weibo-link:hover { background: #e6162d; color: #fff; }
.bili-link { background: rgba(0,161,214,0.1); color: #00a1d6; border: 1px solid rgba(0,161,214,0.2); }
.bili-link:hover { background: #00a1d6; color: #fff; }
.dy-link { background: rgba(0,0,0,0.08); color: #333; border: 1px solid rgba(0,0,0,0.15); }
.dy-link:hover { background: #000; color: #fff; }

/* ---- 动漫资讯板块 ---- */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.news-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-img img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.news-body { padding: 16px; }
.news-cat {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  margin-bottom: 8px;
}
.news-body h3 { font-size: 0.95rem; margin-bottom: 8px; line-height: 1.4; }
.news-body h3 a { color: var(--text); }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { font-size: 0.83rem; color: var(--text-light); margin-bottom: 10px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; gap: 12px; font-size: 0.75rem; color: var(--text-muted); }

/* ---- 媒体报道板块 ---- */
.media-coverage-section { background: var(--bg-soft); }
.coverage-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-bottom: 28px; }
.coverage-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.coverage-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.coverage-media {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.coverage-title { font-size: 0.85rem; color: var(--text); line-height: 1.5; margin-bottom: 8px; }
.coverage-date { font-size: 0.75rem; color: var(--text-muted); }
.coverage-img-wrap { text-align: center; }
.coverage-img-wrap img { border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); max-width: 100%; }

/* ---- 合作品牌Logo增强 ---- */
.partner-logo { display: flex; align-items: center; gap: 8px; }
.pl-icon { font-size: 1.2rem; }

/* ---- 加入社区副标题 ---- */
.join-sub { font-size: 0.88rem; color: var(--primary); text-align: center; margin-bottom: 20px; }

/* ---- 办公室照片 ---- */
.office-photo-wrap { position: relative; margin-bottom: 32px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-hover); }
.office-photo { width: 100%; max-height: 400px; object-fit: cover; display: block; }
.office-photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: #fff;
  padding: 20px 20px 14px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---- AI副标题 ---- */
.ai-sub { font-size: 0.85rem; color: var(--gold); margin-bottom: 14px; }

/* ---- 技能副标题 ---- */
.skill-sub { font-size: 0.82rem; color: var(--primary); margin-bottom: 8px; }

/* ---- 社区功能副标题 ---- */
.cf-sub { font-size: 0.8rem; color: var(--primary); margin-bottom: 8px; }

/* ---- 语音陪伴板块 ---- */
.voice-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.voice-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}
.voice-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.voice-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 14px;
}
.voice-card h3 { font-size: 1rem; margin-bottom: 4px; }
.voice-card h4 { font-size: 0.82rem; color: var(--primary); margin-bottom: 10px; }
.voice-card p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
.voice-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.voice-tags span {
  background: var(--bg-soft);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.72rem;
  border: 1px solid var(--border);
}

/* ---- 情感话题板块 ---- */
.emotion-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; margin-bottom: 24px; }
.emotion-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.emotion-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.ec-icon { font-size: 2.2rem; margin-bottom: 12px; }
.emotion-card h3 { font-size: 1rem; margin-bottom: 4px; color: var(--dark); }
.emotion-card h4 { font-size: 0.82rem; color: var(--primary); margin-bottom: 10px; }
.emotion-card p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
.ec-topics { margin-bottom: 14px; }
.ec-topics li { font-size: 0.8rem; color: var(--text-light); padding: 3px 0 3px 14px; position: relative; }
.ec-topics li::before { content: '·'; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.emotion-notice {
  background: rgba(108,63,255,0.06);
  border: 1px solid rgba(108,63,255,0.2);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.emotion-notice p { font-size: 0.85rem; color: var(--text-light); line-height: 1.7; margin: 0; }

/* ---- 工具分类导航 ---- */
.tools-tab-nav {
  background: var(--dark);
  border-bottom: 1px solid rgba(108,63,255,0.2);
  padding: 0;
}
.tools-tab-nav .container { display: flex; gap: 0; }
.ttab {
  padding: 14px 24px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}
.ttab:hover, .ttab.active { color: var(--gold); border-bottom-color: var(--gold); }

/* ---- 实用工具箱 ---- */
.util-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.util-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.util-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.util-icon { font-size: 2rem; margin-bottom: 10px; }
.util-card h3 { font-size: 0.95rem; margin-bottom: 4px; color: var(--dark); }
.util-card h4 { font-size: 0.8rem; color: var(--primary); margin-bottom: 8px; }
.util-card p { font-size: 0.83rem; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
.util-demo { margin-top: 12px; }
.calc-row { display: flex; align-items: center; gap: 6px; }
.util-input {
  width: 70px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font);
  outline: none;
}
.util-input:focus { border-color: var(--primary); }
.util-textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.82rem;
  font-family: var(--font);
  resize: none;
  outline: none;
}
.util-textarea:focus { border-color: var(--primary); }
.util-select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font);
  outline: none;
  background: var(--bg-card);
}
.util-select:focus { border-color: var(--primary); }
.util-result {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--bg-soft);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--primary);
  min-height: 32px;
  line-height: 1.5;
}
.update-list { display: flex; flex-direction: column; gap: 6px; }
.update-item { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; }
.update-day {
  background: var(--primary);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  flex-shrink: 0;
}

/* ---- HowTo步骤 ---- */
.howto-steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; margin-bottom: 40px; }
.howto-step {
  display: flex;
  gap: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.howto-step:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.howto-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.howto-content h3 { font-size: 0.95rem; margin-bottom: 4px; }
.howto-content h4 { font-size: 0.8rem; color: var(--primary); margin-bottom: 8px; }
.howto-content p { font-size: 0.83rem; color: var(--text-light); line-height: 1.6; }

/* ---- 工具副标题 ---- */
.tool-sub { font-size: 0.8rem; color: rgba(255,255,255,0.8); margin-bottom: 0; font-weight: 400; }

/* ---- 响应式补充 ---- */
@media (max-width: 768px) {
  .tools-tab-nav .container { overflow-x: auto; scrollbar-width: none; }
  .tools-tab-nav .container::-webkit-scrollbar { display: none; }
  .ttab { white-space: nowrap; }
  .howto-steps { grid-template-columns: 1fr; }
  .voice-grid { grid-template-columns: 1fr; }
  .emotion-grid { grid-template-columns: 1fr; }
  .coverage-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .coverage-grid { grid-template-columns: 1fr; }
  .util-grid { grid-template-columns: 1fr; }
}