/* =============================================
   sm视频 - 主样式文件 | bpmld.cn
   ============================================= */

/* CSS Variables */
:root {
  --primary: #e8436a;
  --primary-light: #f7a8b8;
  --primary-dark: #c42d52;
  --secondary: #ff6b9d;
  --accent: #ffd6e0;
  --bg-main: #fff8fa;
  --bg-card: #ffffff;
  --text-main: #2d2d2d;
  --text-sub: #666666;
  --text-light: #999999;
  --border: #f0d0da;
  --shadow: 0 4px 20px rgba(232,67,106,0.12);
  --shadow-hover: 0 8px 32px rgba(232,67,106,0.22);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* =============================================
   HEADER & NAVIGATION
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(232,67,106,0.08);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img { height: 44px; width: auto; }
.site-logo .logo-text {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

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

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 12px; }
.btn-login {
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white !important;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 3px 12px rgba(232,67,106,0.3);
  transition: var(--transition);
}
.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(232,67,106,0.4);
  color: white !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================================
   SEARCH BAR
   ============================================= */
.search-bar-wrap {
  background: linear-gradient(135deg, #fff0f4 0%, #fff8fa 100%);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-form {
  flex: 1;
  max-width: 640px;
  display: flex;
  align-items: center;
  background: white;
  border: 2px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  transition: var(--transition);
}
.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,67,106,0.1);
}
.search-form input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 18px;
  font-size: 14px;
  background: transparent;
  color: var(--text-main);
}
.search-form button {
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.search-form button:hover { background: var(--primary-dark); }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tag {
  padding: 4px 12px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 12px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}
.search-tag:hover { background: var(--primary); color: white; }

/* =============================================
   HERO / BANNER
   ============================================= */
.hero-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1a0a10 0%, #2d0f1e 50%, #1a0a10 100%);
  min-height: 520px;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/banner_hero.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,67,106,0.6) 0%, rgba(26,10,16,0.8) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  color: white;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero-text h1 .brand { color: var(--primary-light); }
.hero-text p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 28px;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 6px 24px rgba(232,67,106,0.4);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(232,67,106,0.5);
  color: white;
}
.btn-outline {
  padding: 14px 32px;
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 28px;
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: white;
  color: white;
}
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-light);
  display: block;
}
.hero-stat .label { font-size: 12px; color: rgba(255,255,255,0.7); }
.hero-visual { position: relative; }
.hero-video-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  position: relative;
  cursor: pointer;
}
.hero-video-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.hero-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  transition: var(--transition);
}
.hero-play-btn svg {
  width: 64px; height: 64px;
  fill: white;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
  transition: var(--transition);
}
.hero-video-card:hover .hero-play-btn { background: rgba(232,67,106,0.4); }
.hero-video-card:hover .hero-play-btn svg { transform: scale(1.1); }

/* =============================================
   SECTION COMMON
   ============================================= */
.section { padding: 64px 20px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}
.section-header p { color: var(--text-sub); font-size: 15px; margin-top: 16px; }
.section-alt { background: white; }

/* =============================================
   VIDEO CARDS
   ============================================= */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #1a0a10;
}
.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); }
.video-play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .video-play-overlay { opacity: 1; }
.play-btn-circle {
  width: 52px; height: 52px;
  background: rgba(232,67,106,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(232,67,106,0.5);
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover .play-btn-circle { transform: scale(1); }
.play-btn-circle svg { width: 22px; height: 22px; fill: white; margin-left: 3px; }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: white;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
}
.video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}
.video-info { padding: 14px 16px; }
.video-info h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  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-light);
}
.video-meta .author { display: flex; align-items: center; gap: 4px; }
.video-meta .author img {
  width: 20px; height: 20px;
  border-radius: 50%;
  object-fit: cover;
}
.video-stats { display: flex; gap: 12px; margin-top: 8px; font-size: 12px; color: var(--text-light); }
.video-stats span { display: flex; align-items: center; gap: 3px; }

/* Video placeholder (no real image) */
.video-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2d0f1e, #1a0a10);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.video-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,67,106,0.2), transparent);
}
.video-placeholder .ph-icon {
  width: 48px; height: 48px;
  fill: rgba(255,255,255,0.3);
  position: relative;
  z-index: 1;
}

/* =============================================
   PHOTO CARDS (美图展示)
   ============================================= */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.photo-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.photo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.photo-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.photo-card:hover img { transform: scale(1.06); }
.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  padding: 20px 12px 12px;
  transform: translateY(100%);
  transition: var(--transition);
}
.photo-card:hover .photo-overlay { transform: translateY(0); }
.photo-overlay span { color: white; font-size: 13px; font-weight: 500; }

/* =============================================
   EXPERT CARDS
   ============================================= */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: white;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.expert-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--accent);
}
.expert-name { font-size: 18px; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.expert-title { font-size: 13px; color: var(--primary); margin-bottom: 12px; font-weight: 500; }
.expert-desc { font-size: 13px; color: var(--text-sub); line-height: 1.6; margin-bottom: 16px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.award-tag {
  padding: 3px 10px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}
.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);
}
.btn-sm-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}
.btn-sm-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-sm-outline:hover { background: var(--primary); color: white; }

/* =============================================
   STATS / NUMBERS
   ============================================= */
.stats-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 48px 20px;
}
.stats-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item .num {
  font-size: 40px;
  font-weight: 900;
  color: white;
  display: block;
  line-height: 1;
}
.stat-item .unit { font-size: 18px; }
.stat-item .label { font-size: 14px; color: rgba(255,255,255,0.85); margin-top: 8px; }

/* =============================================
   FAQ
   ============================================= */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: white;
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-question {
  padding: 18px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-main);
  user-select: none;
}
.faq-question::after {
  content: '+';
  font-size: 20px;
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 18px; }

/* =============================================
   REVIEWS / TESTIMONIALS
   ============================================= */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-hover); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.review-name { font-weight: 600; font-size: 14px; color: var(--text-main); }
.review-date { font-size: 12px; color: var(--text-light); }
.review-stars { color: #ffc107; font-size: 14px; margin-bottom: 10px; }
.review-text { font-size: 14px; color: var(--text-sub); line-height: 1.7; }
.review-tags { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.review-tag {
  padding: 2px 8px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 8px;
  font-size: 11px;
}

/* =============================================
   PARTNER LOGOS
   ============================================= */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.partner-item {
  padding: 12px 24px;
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-sub);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.partner-item:hover { border-color: var(--primary); color: var(--primary); background: var(--accent); }
.partner-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

/* =============================================
   HOW TO JOIN
   ============================================= */
.join-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  position: relative;
}
.join-step {
  text-align: center;
  padding: 28px 20px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}
.step-num {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin: 0 auto 16px;
}
.join-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--text-main); }
.join-step p { font-size: 13px; color: var(--text-sub); line-height: 1.6; }

/* =============================================
   CONTACT / INFO
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 { font-size: 22px; font-weight: 700; margin-bottom: 20px; color: var(--text-main); }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  padding: 14px;
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.contact-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 18px; height: 18px; fill: var(--primary); }
.contact-label { font-size: 12px; color: var(--text-light); margin-bottom: 2px; }
.contact-value { font-size: 14px; color: var(--text-main); font-weight: 500; }
.qr-grid { display: flex; gap: 24px; }
.qr-item { text-align: center; }
.qr-item img { width: 120px; height: 120px; border-radius: 8px; border: 2px solid var(--border); margin-bottom: 8px; }
.qr-item p { font-size: 12px; color: var(--text-sub); }

/* =============================================
   SOCIAL SHARE
   ============================================= */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.share-label { font-size: 14px; color: var(--text-sub); font-weight: 500; }
.share-btn {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.share-wechat { background: #07c160; color: white; }
.share-weibo { background: #e6162d; color: white; }
.share-douyin { background: #010101; color: white; }
.share-bilibili { background: #00a1d6; color: white; }
.share-btn:hover { opacity: 0.85; transform: translateY(-1px); }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: linear-gradient(135deg, #1a0a10 0%, #2d0f1e 100%);
  color: rgba(255,255,255,0.8);
  padding: 60px 20px 0;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-light);
}
.footer-brand p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 20px; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--primary-light); }
.footer-logo-svg { height: 36px; width: auto; }

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
}
.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb-inner a { color: var(--text-sub); }
.breadcrumb-inner a:hover { color: var(--primary); }
.breadcrumb-inner .sep { color: var(--text-light); }
.breadcrumb-inner .current { color: var(--primary); font-weight: 500; }

/* =============================================
   PAGE HERO (inner pages)
   ============================================= */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 48px 20px;
  text-align: center;
  color: white;
}
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 15px; opacity: 0.9; max-width: 600px; margin: 0 auto; }

/* =============================================
   AI FEATURES
   ============================================= */
.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.ai-feature-card {
  background: white;
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ai-feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.ai-feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.ai-icon {
  width: 52px; height: 52px;
  background: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 24px;
}
.ai-feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
.ai-feature-card p { font-size: 13px; color: var(--text-sub); line-height: 1.7; }

/* =============================================
   COMMUNITY FEATURES
   ============================================= */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.community-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.community-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }
.community-icon { font-size: 36px; margin-bottom: 12px; }
.community-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--text-main); }
.community-card p { font-size: 12px; color: var(--text-sub); line-height: 1.6; }

/* =============================================
   TAGS
   ============================================= */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 5px 14px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.tag:hover { background: var(--primary); color: white; }
.tag.active { background: var(--primary); color: white; }

/* =============================================
   PAGINATION
   ============================================= */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.page-btn {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: white;
  color: var(--text-sub);
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* =============================================
   NOTICE BAR
   ============================================= */
.notice-bar {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: white;
  padding: 10px 20px;
  text-align: center;
  font-size: 13px;
}
.notice-bar a { color: white; text-decoration: underline; }

/* =============================================
   MODAL (video player)
   ============================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-box {
  background: #1a0a10;
  border-radius: 16px;
  overflow: hidden;
  width: 90%;
  max-width: 800px;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px; right: 12px;
  width: 32px; height: 32px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  font-size: 18px;
  z-index: 1;
  transition: var(--transition);
}
.modal-close:hover { background: var(--primary); }
.modal-video-placeholder {
  aspect-ratio: 16/9;
  background: #0d0508;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  gap: 16px;
}
.modal-video-placeholder svg { width: 64px; height: 64px; fill: var(--primary); opacity: 0.7; }
.modal-video-placeholder p { font-size: 15px; }

/* =============================================
   SCROLL TO TOP
   ============================================= */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(232,67,106,0.4);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  border: none;
  font-size: 18px;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-3px); }

/* =============================================
   INNER PAGE CONTENT
   ============================================= */
.content-section { padding: 48px 20px; }
.content-inner { max-width: 1280px; margin: 0 auto; }
.content-intro {
  background: white;
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.content-intro h2 { font-size: 22px; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
.content-intro p { font-size: 15px; color: var(--text-sub); line-height: 1.9; margin-bottom: 12px; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; position: fixed; top: 68px; left: 0; right: 0; background: white; flex-direction: column; padding: 20px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); z-index: 999; }
  .main-nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .header-actions .btn-login { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .hero-stats { gap: 20px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .section { padding: 40px 16px; }
  .search-bar-wrap { padding: 10px 16px; }
  .search-tags { display: none; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-wrap: wrap; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* =============================================
   UTILITIES
   ============================================= */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.hidden { display: none !important; }
.show-mobile { display: none; }
@media (max-width: 768px) { .show-mobile { display: block; } .hide-mobile { display: none; } }

/* Lazy load fade in */
img.lazy { opacity: 0; transition: opacity 0.4s ease; }
img.lazy.loaded { opacity: 1; }