/* ============================================
   糖心vlog 主样式文件
   版本: 1.0.0
   品牌色: #FF4D7E (玫瑰红) #FF8FAB (浅粉) #1A1A2E (深夜蓝)
   ============================================ */

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
  background: #0d0d1a;
  color: #e8e8f0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: #FF4D7E; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ---- CSS变量 ---- */
:root {
  --brand:       #FF4D7E;
  --brand-light: #FF8FAB;
  --brand-dark:  #C8234F;
  --accent:      #FF6B35;
  --accent2:     #A855F7;
  --bg-deep:     #0d0d1a;
  --bg-card:     #161628;
  --bg-card2:    #1e1e35;
  --text-main:   #e8e8f0;
  --text-muted:  #9090b0;
  --border:      rgba(255,77,126,.18);
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 4px 24px rgba(255,77,126,.12);
  --shadow-lg:   0 8px 48px rgba(255,77,126,.22);
  --transition:  .3s cubic-bezier(.4,0,.2,1);
}

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

/* ============================================
   顶部公告条
   ============================================ */
.top-notice {
  background: linear-gradient(90deg, var(--brand-dark), var(--brand), var(--accent));
  color: #fff;
  text-align: center;
  font-size: .82rem;
  padding: 7px 16px;
  letter-spacing: .04em;
  position: relative;
  z-index: 200;
}
.top-notice a { color: #fff; font-weight: 700; text-decoration: underline; }

/* ============================================
   顶部导航
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,26,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 24px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.site-logo img.logo-img {
  height: 40px;
  width: auto;
}
.site-logo .logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.main-nav a {
  padding: 6px 13px;
  border-radius: 20px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  background: rgba(255,77,126,.18);
}
.main-nav a.active { color: var(--brand); }

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 5px 14px;
  gap: 8px;
  min-width: 200px;
  transition: var(--transition);
}
.header-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(255,77,126,.15);
}
.header-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: .88rem;
  width: 100%;
  font-family: inherit;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  transition: color .2s;
}
.header-search button:hover { color: var(--brand); }

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

/* ============================================
   搜索栏（导航下方独立区域）
   ============================================ */
.nav-search-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.nav-search-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-search-inner .search-big {
  flex: 1;
  max-width: 680px;
  display: flex;
  align-items: center;
  background: var(--bg-deep);
  border: 1.5px solid var(--border);
  border-radius: 28px;
  padding: 8px 18px;
  gap: 10px;
  transition: var(--transition);
}
.nav-search-inner .search-big:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(255,77,126,.12);
}
.nav-search-inner .search-big input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: .95rem;
  font-family: inherit;
}
.nav-search-inner .search-big input::placeholder { color: var(--text-muted); }
.nav-search-inner .search-big button {
  background: var(--brand);
  border: none;
  color: #fff;
  padding: 6px 18px;
  border-radius: 20px;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 600;
  transition: background .2s;
  white-space: nowrap;
}
.nav-search-inner .search-big button:hover { background: var(--brand-dark); }
.search-hot-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.search-hot-tags span {
  font-size: .78rem;
  color: var(--text-muted);
}
.search-hot-tags a {
  font-size: .78rem;
  color: var(--brand-light);
  background: rgba(255,77,126,.1);
  padding: 3px 10px;
  border-radius: 12px;
  transition: var(--transition);
}
.search-hot-tags a:hover {
  background: var(--brand);
  color: #fff;
}

/* ============================================
   Hero Banner 轮播
   ============================================ */
.hero-banner {
  position: relative;
  overflow: hidden;
  height: 480px;
  background: var(--bg-deep);
}
.hero-slides { display: flex; height: 100%; transition: transform .6s cubic-bezier(.4,0,.2,1); }
.hero-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(.65);
}
.hero-slide-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 60px;
  background: linear-gradient(to top, rgba(13,13,26,.95) 0%, transparent 100%);
}
.hero-slide-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  text-shadow: 0 2px 12px rgba(0,0,0,.5);
}
.hero-slide-content p {
  font-size: 1rem;
  color: rgba(255,255,255,.8);
  max-width: 600px;
  margin-bottom: 20px;
}
.hero-slide-content .btn-play {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand);
  color: #fff;
  padding: 11px 28px;
  border-radius: 28px;
  font-weight: 700;
  font-size: .95rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(255,77,126,.4);
}
.hero-slide-content .btn-play:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,77,126,.5);
}
.hero-dots {
  position: absolute;
  bottom: 20px;
  right: 60px;
  display: flex;
  gap: 8px;
}
.hero-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  transition: var(--transition);
}
.hero-dots span.active {
  background: var(--brand);
  width: 24px;
  border-radius: 4px;
}
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.hero-arrow:hover { background: var(--brand); }
.hero-arrow.prev { left: 20px; }
.hero-arrow.next { right: 20px; }

/* ============================================
   通用容器
   ============================================ */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: 60px 0; }
.section-sm { padding: 40px 0; }

/* 区块标题 */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 24px;
  background: linear-gradient(to bottom, var(--brand), var(--accent));
  border-radius: 2px;
}
.section-title .badge {
  font-size: .72rem;
  background: var(--brand);
  color: #fff;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  vertical-align: middle;
}
.section-more {
  font-size: .85rem;
  color: var(--brand-light);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.section-more:hover { color: var(--brand); }

/* ============================================
   视频卡片网格
   ============================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.video-grid-5 {
  grid-template-columns: repeat(5, 1fr);
}
.video-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}
.video-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  position: relative;
}
.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--border);
  box-shadow: var(--shadow-lg);
}
.video-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-card2);
}
.video-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.video-card:hover .video-card-thumb img { transform: scale(1.06); }
.video-card-thumb .play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.3);
  opacity: 0;
  transition: opacity .3s;
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,77,126,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,77,126,.5);
  transition: transform .2s;
}
.video-card:hover .play-btn-icon { transform: scale(1.1); }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,.75);
  color: #fff;
  font-size: .72rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
}
.video-quality {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--brand);
  color: #fff;
  font-size: .68rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 700;
}
.video-card-info {
  padding: 12px 14px;
}
.video-card-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .75rem;
  color: var(--text-muted);
}
.video-card-meta .views::before { content: '▶ '; }
.video-card-meta .likes::before { content: '♥ '; color: var(--brand); }
.video-card-meta .comments::before { content: '💬 '; }
.video-card-author {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}
.video-card-author img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
}
.video-card-author span {
  font-size: .75rem;
  color: var(--text-muted);
}

/* ============================================
   分类标签栏
   ============================================ */
.cat-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.cat-tab {
  padding: 7px 18px;
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 600;
  background: var(--bg-card2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.cat-tab:hover,
.cat-tab.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ============================================
   专家卡片
   ============================================ */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.expert-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--brand);
}
.expert-name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.expert-role {
  font-size: .78rem;
  color: var(--brand-light);
  margin-bottom: 10px;
}
.expert-desc {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}
.expert-awards {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.expert-awards span {
  font-size: .7rem;
  background: rgba(255,77,126,.12);
  color: var(--brand-light);
  padding: 2px 8px;
  border-radius: 10px;
}
.expert-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.btn-sm {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-outline {
  background: transparent;
  color: var(--brand-light);
  border: 1px solid var(--brand-light);
}
.btn-outline:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ============================================
   用户评价
   ============================================ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review-card:hover {
  border-color: rgba(255,77,126,.35);
  box-shadow: var(--shadow);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}
.review-user-info .name {
  font-weight: 700;
  color: #fff;
  font-size: .9rem;
}
.review-user-info .date {
  font-size: .75rem;
  color: var(--text-muted);
}
.review-stars { color: #FFD700; font-size: .85rem; letter-spacing: 2px; margin-bottom: 8px; }
.review-text {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.review-tag {
  display: inline-block;
  margin-top: 10px;
  font-size: .72rem;
  background: rgba(168,85,247,.12);
  color: #c084fc;
  padding: 2px 9px;
  border-radius: 10px;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(255,77,126,.3); }
.faq-question {
  padding: 18px 22px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .95rem;
  user-select: none;
}
.faq-question .faq-icon {
  color: var(--brand);
  font-size: 1.2rem;
  transition: transform .3s;
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner {
  padding: 0 22px 18px;
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ============================================
   合作品牌Logo墙
   ============================================ */
.partner-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.partner-logo {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition);
  min-width: 120px;
  text-align: center;
}
.partner-logo:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(255,77,126,.06);
}

/* ============================================
   社区加入指南
   ============================================ */
.how-to-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.how-to-step {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
}
.how-to-step .step-num {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 16px;
}
.how-to-step h4 {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.how-to-step p {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   联系/公司信息
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-box {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
}
.contact-info-box h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}
.contact-item .icon {
  width: 36px;
  height: 36px;
  background: rgba(255,77,126,.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  color: var(--brand);
}
.contact-item .label {
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-item .value {
  font-size: .9rem;
  color: var(--text-main);
  font-weight: 500;
}
.qr-grid {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.qr-box {
  text-align: center;
}
.qr-box .qr-img {
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 8px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  color: #333;
}
.qr-box .qr-label {
  font-size: .78rem;
  color: var(--text-muted);
}

/* ============================================
   社交分享
   ============================================ */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.share-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.share-wechat { background: #07C160; color: #fff; }
.share-weibo  { background: #E6162D; color: #fff; }
.share-douyin { background: #010101; color: #fff; border: 1px solid #333; }
.share-bilibili { background: #00A1D6; color: #fff; }
.share-btn:hover { opacity: .85; transform: translateY(-2px); }

/* ============================================
   统计数字展示
   ============================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 20px;
  border: 1px solid var(--border);
}
.stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: .82rem;
  color: var(--text-muted);
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
  background: #080812;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  background: var(--bg-card2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  color: var(--text-muted);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.footer-social a:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.footer-col h4 {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  font-size: .82rem;
  color: var(--text-muted);
  transition: color .2s;
}
.footer-col ul li a:hover { color: var(--brand); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: .78rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--brand-light); }
.footer-bottom a:hover { color: var(--brand); }
.footer-logo-img {
  height: 32px;
  width: auto;
  margin-bottom: 12px;
}

/* ============================================
   视频播放页
   ============================================ */
.video-player-wrap {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/9;
  position: relative;
}
.video-player-wrap video,
.video-player-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.video-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: start;
}
.video-info-box {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
}
.video-info-box h1 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
}
.video-action-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0;
}
.action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
  background: var(--bg-card2);
  color: var(--text-muted);
}
.action-btn:hover, .action-btn.active { background: var(--brand); color: #fff; border-color: var(--brand); }
.action-btn.like.active { background: #E6162D; border-color: #E6162D; }

/* 弹幕区 */
.danmaku-bar {
  background: var(--bg-card2);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
}
.danmaku-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: .88rem;
  font-family: inherit;
}
.danmaku-bar button {
  background: var(--brand);
  border: none;
  color: #fff;
  padding: 6px 16px;
  border-radius: 14px;
  font-size: .82rem;
  cursor: pointer;
}

/* 侧边推荐 */
.sidebar-recommend .video-card { margin-bottom: 12px; }
.sidebar-recommend .video-card .video-card-thumb { aspect-ratio: 16/9; }

/* ============================================
   面包屑
   ============================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); transition: color .2s; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--brand-light); }

/* ============================================
   分页
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.page-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  text-decoration: none;
}
.page-btn:hover, .page-btn.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ============================================
   AI赋能模块
   ============================================ */
.ai-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ai-card {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card2));
  border-radius: var(--radius);
  padding: 28px 22px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ai-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,77,126,.06) 0%, transparent 60%);
  pointer-events: none;
}
.ai-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.ai-card .ai-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}
.ai-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.ai-card p {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   直播/社区模块
   ============================================ */
.live-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.live-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.live-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.live-thumb {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}
.live-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.live-card:hover .live-thumb img { transform: scale(1.06); }
.live-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: #E6162D;
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.live-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  animation: blink 1s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.live-viewers {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,.7);
  color: #fff;
  font-size: .7rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.live-info {
  padding: 10px 12px;
}
.live-name {
  font-size: .85rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.live-topic {
  font-size: .75rem;
  color: var(--text-muted);
}

/* ============================================
   内页 Hero
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card2) 100%);
  border-bottom: 1px solid var(--border);
  padding: 40px 0 32px;
}
.page-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
.page-hero p {
  font-size: .95rem;
  color: var(--text-muted);
  max-width: 600px;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1100px) {
  .video-grid-5 { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .ai-features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .video-grid-5,
  .video-grid-4 { grid-template-columns: repeat(3, 1fr); }
  .video-detail-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-banner { height: 320px; }
  .hero-slide-content { padding: 24px 28px; }
  .hero-slide-content h2 { font-size: 1.5rem; }
}
@media (max-width: 768px) {
  .main-nav { display: none; position: fixed; top: 64px; left: 0; right: 0; background: rgba(13,13,26,.98); flex-direction: column; padding: 20px; gap: 4px; border-bottom: 1px solid var(--border); z-index: 99; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; border-radius: 8px; width: 100%; }
  .hamburger { display: flex; }
  .header-search { display: none; }
  .video-grid-5,
  .video-grid-4,
  .video-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-banner { height: 240px; }
  .hero-slide-content { padding: 16px 20px; }
  .hero-slide-content h2 { font-size: 1.2rem; }
  .hero-slide-content p { display: none; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .ai-features { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .search-hot-tags { display: none; }
}
@media (max-width: 480px) {
  .video-grid,
  .video-grid-5,
  .video-grid-4,
  .video-grid-3 { grid-template-columns: 1fr 1fr; gap: 12px; }
  .live-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-banner { height: 200px; }
  .section-title { font-size: 1.2rem; }
}

/* ============================================
   工具类
   ============================================ */
.text-brand { color: var(--brand); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.hidden { display: none; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.bg-card { background: var(--bg-card); border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); }
.divider { height: 1px; background: var(--border); margin: 32px 0; }

/* 渐变文字 */
.gradient-text {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 标签 */
.tag {
  display: inline-block;
  font-size: .72rem;
  padding: 2px 9px;
  border-radius: 10px;
  font-weight: 600;
}
.tag-brand { background: rgba(255,77,126,.12); color: var(--brand); }
.tag-purple { background: rgba(168,85,247,.12); color: #c084fc; }
.tag-orange { background: rgba(255,107,53,.12); color: #ff6b35; }
.tag-blue { background: rgba(0,161,214,.12); color: #00a1d6; }

/* 加载动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp .5s ease forwards; }

/* 二维码SVG样式 */
.qr-svg-wrap {
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: 8px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
}

/* ============================================
   CSS补丁 v2.0 - 补全缺失样式
   ============================================ */

/* ---- 面包屑条 ---- */
.breadcrumb-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.breadcrumb-bar .container {
  padding-top: 13px;
  padding-bottom: 13px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  font-size: .84rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--brand-light); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { color: var(--text-muted); margin: 0 2px; }
.breadcrumb .current { color: var(--text-main); }

/* ---- 视频元数据行 ---- */
.video-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .84rem;
  color: var(--text-muted);
  margin: 10px 0;
}
.video-meta-row .views::before { content: '▶ '; }
.video-meta-row .likes::before { content: '♥ '; color: var(--brand); }
.video-meta-row .upload-date::before { content: '📅 '; }
.video-meta-row .tag-label {
  background: rgba(255,77,126,.15);
  color: var(--brand-light);
  border: 1px solid rgba(255,77,126,.3);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: .76rem;
}

/* ---- 标签标签 ---- */
.tag-label {
  background: rgba(255,77,126,.15);
  color: var(--brand-light);
  border: 1px solid rgba(255,77,126,.3);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: .76rem;
  display: inline-block;
}

/* ---- 功能卡片网格 ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
@media (max-width: 900px) { .features-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.feature-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.feature-list li {
  font-size: .84rem;
  color: var(--text-muted);
}

/* ---- AI赋能统计 ---- */
.ai-recommend-box {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  margin-top: 24px;
}
.ai-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
@media (max-width: 700px) { .ai-stat-grid { grid-template-columns: repeat(2, 1fr); } }
.ai-stat-item {
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.ai-stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.ai-stat-label {
  font-size: .82rem;
  color: var(--text-muted);
}

/* ---- 直播指示器 ---- */
.live-indicator {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(220,30,30,.9);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
  letter-spacing: .05em;
}
.live-dot {
  width: 7px;
  height: 7px;
  background: #fff;
  border-radius: 50%;
  animation: livePulse 1.2s infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.7); }
}

/* ---- 弹幕列表 ---- */
.danmaku-label {
  font-size: .8rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.danmaku-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  padding: 10px;
  background: var(--bg-card2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  min-height: 40px;
}
.danmaku-item {
  background: rgba(255,77,126,.12);
  color: var(--brand-light);
  border: 1px solid rgba(255,77,126,.25);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: .8rem;
}

/* ---- 底部二维码行 ---- */
.footer-qr-row {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 32px 0 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 24px 0;
}
.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.qr-box .qr-svg-wrap {
  width: 104px;
  height: 104px;
  background: #fff;
  border-radius: 8px;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-label {
  font-size: .76rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

/* ---- 底部友情链接行 ---- */
.footer-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-links-row a {
  color: var(--text-muted);
  transition: color .2s;
}
.footer-links-row a:hover { color: var(--brand); }

/* ---- 底部品牌域名 ---- */
.footer-domain {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ---- 底部版权 ---- */
.footer-bottom {
  text-align: center;
  padding: 16px 0 8px;
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.8;
}
.footer-bottom a { color: var(--brand-light); }
.footer-bottom a:hover { color: var(--brand); }

/* ---- 回到顶部按钮 ---- */
.back-to-top {
  display: none;
  position: fixed;
  bottom: 32px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(255,77,126,.4);
  z-index: 999;
  transition: var(--transition);
}
.back-to-top:hover { background: var(--brand-dark); transform: translateY(-2px); }

/* ---- 分页 ---- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.page-btn, .page-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .88rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.page-btn.active, .page-item.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.page-btn:hover, .page-item:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ---- 视频播放器 ---- */
.video-player-wrap {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.video-player-wrap video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ---- 视频详情布局 ---- */
.video-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: start;
}
.video-main { min-width: 0; }
.sidebar-recommend { min-width: 0; }
.sidebar-recommend h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.sidebar-recommend .video-card { margin-bottom: 12px; cursor: pointer; }
.sidebar-recommend .video-card .video-card-thumb { aspect-ratio: 16/9; }
@media (max-width: 900px) {
  .video-detail-layout { grid-template-columns: 1fr; }
}

/* ---- 视频信息框 ---- */
.video-info-box {
  margin-top: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
}
.video-info-box h1 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 8px;
}

/* ---- 操作按钮行 ---- */
.video-action-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-card2);
  color: var(--text-muted);
  font-size: .84rem;
  cursor: pointer;
  transition: var(--transition);
}
.action-btn:hover, .action-btn.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.action-btn.like.liked { background: #E6162D; border-color: #E6162D; color: #fff; }

/* ---- 弹幕输入框 ---- */
.danmaku-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 10px 14px;
  background: var(--bg-card2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.danmaku-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: .88rem;
}
.danmaku-bar input::placeholder { color: var(--text-muted); }
.danmaku-bar button {
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: .84rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.danmaku-bar button:hover { background: var(--brand-dark); }

/* ---- 分割线 ---- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* ---- 底部品牌Logo ---- */
.footer-logo-img {
  height: 46px;
  width: auto;
  margin-bottom: 14px;
}
.footer-logo-link:hover { opacity: .85; }

/* ---- 底部品牌区 ---- */
.footer-brand p {
  font-size: .84rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}

/* ---- 底部社交图标 ---- */
.footer-social {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.footer-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .82rem;
  color: var(--text-muted);
  transition: var(--transition);
  font-weight: 700;
}
.footer-social a:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ---- 底部列标题 ---- */
.footer-col h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: .84rem;
  color: var(--text-muted);
  transition: color .2s;
}
.footer-col ul li a:hover { color: var(--brand); }

/* ---- 页面Hero ---- */
.page-hero {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-deep) 100%);
  padding: 60px 0 50px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.3;
}
.page-hero p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}
@media (max-width: 600px) {
  .page-hero h1 { font-size: 1.5rem; }
  .page-hero { padding: 40px 0 32px; }
}

/* ---- 按钮样式 ---- */
.btn-primary {
  display: inline-block;
  padding: 10px 24px;
  background: var(--brand);
  color: #fff;
  border-radius: 24px;
  font-size: .9rem;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid var(--brand);
}
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn-outline {
  display: inline-block;
  padding: 10px 24px;
  background: transparent;
  color: var(--brand-light);
  border-radius: 24px;
  font-size: .9rem;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid var(--brand);
}
.btn-outline:hover { background: var(--brand); color: #fff; }