/* 海角视频 - 主样式文件 | haijiao-cn.net */
/* 原创设计 - 深海蓝+金橙色主题 */

:root {
  --primary: #0d2b4e;
  --primary-light: #1a4a7a;
  --accent: #f5a623;
  --accent-dark: #d4891a;
  --bg-dark: #0a1929;
  --bg-card: #112240;
  --bg-light: #f8f9fa;
  --text-main: #e8edf3;
  --text-muted: #8fa3b8;
  --text-dark: #1a2a3a;
  --border: #1e3a5f;
  --gradient-hero: linear-gradient(135deg, #0d2b4e 0%, #1a4a7a 50%, #0d2b4e 100%);
  --gradient-card: linear-gradient(180deg, #112240 0%, #0d2b4e 100%);
  --shadow: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 30px rgba(245,166,35,0.2);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: all 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-dark); }

img { max-width: 100%; height: auto; display: block; }

/* ===== 顶部公告栏 ===== */
.top-bar {
  background: var(--accent);
  color: var(--primary);
  text-align: center;
  padding: 6px 20px;
  font-size: 13px;
  font-weight: 600;
}
.top-bar a { color: var(--primary); text-decoration: underline; }

/* ===== 导航栏 ===== */
.site-header {
  background: rgba(13,43,78,0.97);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.site-logo img { height: 44px; width: auto; }
.site-logo .logo-text {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 2px;
}
.site-logo .logo-sub {
  font-size: 11px;
  color: var(--accent);
  display: block;
  letter-spacing: 1px;
}

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--accent);
  color: var(--primary);
}

.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-join {
  background: var(--accent);
  color: var(--primary) !important;
  padding: 8px 20px !important;
  border-radius: 20px !important;
  font-weight: 700 !important;
}
.btn-join:hover { background: var(--accent-dark) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  transition: var(--transition);
}

/* ===== 搜索栏 ===== */
.search-bar {
  background: var(--primary);
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}
.search-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-form {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  flex: 1;
  max-width: 600px;
}
.search-form input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 10px 18px;
  color: var(--text-main);
  font-size: 14px;
}
.search-form input::placeholder { color: var(--text-muted); }
.search-form button {
  background: var(--accent);
  border: none;
  padding: 10px 20px;
  color: var(--primary);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.search-form button:hover { background: var(--accent-dark); }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tags a {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  transition: var(--transition);
}
.search-tags a:hover { border-color: var(--accent); color: var(--accent); }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-card);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb-inner a { color: var(--text-muted); }
.breadcrumb-inner a:hover { color: var(--accent); }
.breadcrumb-inner span { color: var(--accent); }

/* ===== Hero区域 ===== */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,43,78,0.95) 0%, rgba(13,43,78,0.5) 60%, transparent 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 20px;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245,166,35,0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p {
  font-size: clamp(14px, 2vw, 18px);
  color: rgba(255,255,255,0.8);
  max-width: 520px;
  margin-bottom: 30px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent);
  color: var(--primary);
  padding: 13px 30px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  border: 2px solid var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-outline {
  background: transparent;
  color: #fff;
  padding: 13px 30px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid rgba(255,255,255,0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.hero-stats {
  display: flex;
  gap: 30px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  display: block;
}
.hero-stat .label {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

/* ===== 通用区块 ===== */
.section { padding: 60px 0; }
.section-alt { background: var(--bg-card); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

.section-header { text-align: center; margin-bottom: 40px; }
.section-tag {
  display: inline-block;
  background: rgba(245,166,35,0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.section-header h2 {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.section-header h2 em { color: var(--accent); font-style: normal; }
.section-header p { color: var(--text-muted); font-size: 15px; max-width: 600px; margin: 0 auto; }

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--primary);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: var(--transition);
}
.video-card:hover .play-btn { background: rgba(0,0,0,0.4); }
.play-icon {
  width: 52px;
  height: 52px;
  background: rgba(245,166,35,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.7);
  transition: var(--transition);
}
.video-card:hover .play-icon {
  opacity: 1;
  transform: scale(1);
}
.play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 9px 0 9px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--accent);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.video-info { padding: 14px; }
.video-info h3 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.video-meta .author { display: flex; align-items: center; gap: 5px; }
.video-meta .author img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
}
.video-stats {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}
.video-stats span { display: flex; align-items: center; gap: 4px; }

/* ===== 专家卡片 ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--accent);
}
.expert-name { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.expert-title { font-size: 13px; color: var(--accent); margin-bottom: 10px; }
.expert-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.expert-awards { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px; }
.award-tag {
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.3);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  background: none;
}
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm.primary { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-sm.primary:hover { background: var(--accent-dark); }

/* ===== 功能特性 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px 20px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.feature-icon {
  font-size: 36px;
  margin-bottom: 12px;
  display: block;
}
.feature-card h3 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ===== 合作品牌 ===== */
.partners-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.partner-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}
.partner-item:hover { border-color: var(--accent); color: var(--accent); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-q:hover { color: var(--accent); }
.faq-q::after {
  content: '+';
  font-size: 20px;
  color: var(--accent);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 20px 18px;
}

/* ===== 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: 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review-card:hover { border-color: var(--accent); }
.review-stars { color: var(--accent); font-size: 16px; margin-bottom: 10px; }
.review-text { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
.reviewer { display: flex; align-items: center; gap: 10px; }
.reviewer-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent);
  font-weight: 700;
}
.reviewer-name { font-size: 14px; font-weight: 600; color: #fff; }
.reviewer-info { font-size: 12px; color: var(--text-muted); }

/* ===== 联系区域 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.contact-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
}
.contact-card h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--text-muted);
}
.contact-icon { font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.contact-item strong { color: var(--text-main); display: block; margin-bottom: 2px; }
.qr-row { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.qr-item { text-align: center; }
.qr-item img { width: 120px; height: 120px; border-radius: 8px; margin-bottom: 8px; }
.qr-item p { font-size: 12px; color: var(--text-muted); }

/* ===== 社区入口 ===== */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.community-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.community-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.community-icon { font-size: 32px; margin-bottom: 10px; }
.community-card h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 6px; }
.community-card p { font-size: 12px; color: var(--text-muted); }

/* ===== 分享按钮 ===== */
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.share-btn {
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.share-wechat { background: #07c160; color: #fff; }
.share-weibo { background: #e6162d; color: #fff; }
.share-douyin { background: #000; color: #fff; border: 1px solid #fff; }
.share-bilibili { background: #00a1d6; color: #fff; }
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 2px solid var(--border);
  padding: 50px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 40px;
}
.footer-brand .logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .logo img { height: 40px; }
.footer-brand .logo span { font-size: 20px; font-weight: 800; color: #fff; }
.footer-brand p { font-size: 13px; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }
.update-time { font-size: 12px; color: var(--text-muted); }

/* ===== 内页Hero ===== */
.page-hero {
  background: var(--gradient-hero);
  padding: 50px 0;
  text-align: center;
  border-bottom: 2px solid var(--border);
}
.page-hero h1 { font-size: clamp(24px, 4vw, 42px); font-weight: 800; color: #fff; margin-bottom: 10px; }
.page-hero p { font-size: 15px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.3);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 12px;
  margin: 2px;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.page-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary);
}

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

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

@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--primary); padding: 10px; border-bottom: 2px solid var(--border); }
  .main-nav.open { display: flex; }
  .hamburger { display: flex; }
  .nav-actions .btn-join { display: none; }
  .hero { min-height: 400px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .expert-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .search-tags { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .video-grid { grid-template-columns: 1fr; }
}

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

/* ===== 通知条 ===== */
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #e6162d;
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.live-dot {
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  animation: blink 1s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ===== 数据统计条 ===== */
.stats-bar {
  background: var(--primary);
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-row {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--accent); display: block; }
.stat-label { font-size: 12px; color: var(--text-muted); }

/* ===== How-To指南 ===== */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: step;
}
.howto-step {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}
.howto-step:hover { border-color: var(--accent); }
.step-num {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 12px;
}
.howto-step h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.howto-step p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }


/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb-inner a { color: var(--text-muted); }
.breadcrumb-inner a:hover { color: var(--accent); }

/* ===== 页面Hero ===== */
.page-hero {
  background: var(--gradient-hero);
  padding: 60px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
}
.page-hero p {
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.page-btn {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
  font-weight: 700;
}

/* ===== 联系页面 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.contact-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
}
.contact-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}
.contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.contact-icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-item strong {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-item span {
  font-size: 14px;
  color: var(--text-main);
}
.contact-item a { color: var(--accent); }
.contact-item a:hover { color: var(--accent-dark); }

/* ===== QR码区域 ===== */
.qr-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.qr-item {
  text-align: center;
}
.qr-item img {
  border-radius: 8px;
  border: 2px solid var(--border);
}
.qr-item p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== 合作伙伴 ===== */
.partners-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.partner-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
  transition: var(--transition);
}
.partner-item:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== 分享按钮 ===== */
.share-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.share-btn {
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}
.share-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}
.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== 奖项标签 ===== */
.award-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(245,166,35,0.15);
  border: 1px solid rgba(245,166,35,0.3);
  font-size: 11px;
  color: var(--accent);
  margin: 2px;
}

/* ===== 响应式补充 ===== */
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 40px 16px; }
  .page-hero h1 { font-size: 28px; }
}