/* 麻豆 - yeajsbkt.cn - 原创浪漫粉紫主题 */
/* ================================================ */

:root {
  --primary: #FF6B9D;
  --primary-dark: #E91E8C;
  --primary-light: #FFB3CC;
  --secondary: #A855F7;
  --secondary-dark: #7C3AED;
  --accent: #FF8E53;
  --accent2: #FFC107;
  --bg-dark: #0D0812;
  --bg-card: #1A0F24;
  --bg-card2: #231535;
  --bg-section: #150D1F;
  --text-main: #F5E6FF;
  --text-sub: #C4A8E0;
  --text-muted: #7A5A9A;
  --border: #2D1A45;
  --border-glow: rgba(255,107,157,0.3);
  --shadow-pink: 0 4px 30px rgba(255,107,157,0.2);
  --shadow-purple: 0 4px 30px rgba(168,85,247,0.2);
  --gradient-main: linear-gradient(135deg, #FF6B9D 0%, #A855F7 50%, #FF8E53 100%);
  --gradient-card: linear-gradient(145deg, #1A0F24 0%, #231535 100%);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans CJK SC', sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }

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

.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ===== 干扰标签隐藏 ===== */
.nnd25hd { display: none !important; visibility: hidden !important; pointer-events: none !important; }

/* ===== 顶部信息栏 ===== */
.topbar {
  background: linear-gradient(90deg, #1A0F24 0%, #231535 50%, #1A0F24 100%);
  border-bottom: 1px solid var(--border);
  padding: 6px 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar-left { display: flex; gap: 16px; align-items: center; }
.topbar-right { display: flex; gap: 12px; align-items: center; }
.topbar a { color: var(--text-muted); font-size: 0.78rem; }
.topbar a:hover { color: var(--primary); }
.topbar-tag {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  font-size: 0.8rem;
}

/* ===== 导航栏 ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,8,18,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(255,107,157,0.1);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  box-shadow: 0 0 12px rgba(255,107,157,0.4);
}
.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
}
.logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  display: block;
  line-height: 1;
  margin-top: 2px;
}

/* 搜索框 */
.search-bar {
  flex: 1;
  max-width: 360px;
  position: relative;
}
.search-bar input {
  width: 100%;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 8px 42px 8px 18px;
  color: var(--text-main);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
}
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,107,157,0.15);
}
.search-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition);
}
.search-btn:hover { color: var(--primary); }

/* 导航菜单 */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  color: var(--text-sub);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav a:hover, .nav a.active {
  color: var(--primary);
  background: rgba(255,107,157,0.1);
}
.nav-btn {
  background: var(--gradient-main);
  color: #fff !important;
  padding: 7px 18px !important;
  border-radius: 20px !important;
  font-weight: 700 !important;
}
.nav-btn:hover { opacity: 0.9; transform: translateY(-1px); }

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

/* ===== 英雄区 ===== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,8,18,0.88) 0%, rgba(26,15,36,0.75) 50%, rgba(13,8,18,0.6) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 60px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,107,157,0.15);
  border: 1px solid rgba(255,107,157,0.3);
  color: var(--primary-light);
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  font-weight: 600;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 18px;
  color: var(--text-main);
}
.hero h1 .highlight { background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  margin-bottom: 32px;
  line-height: 1.8;
  max-width: 540px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: var(--shadow-pink);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,107,157,0.4); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--primary-light);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: rgba(255,107,157,0.1); transform: translateY(-2px); color: var(--primary-light); }
.btn-secondary {
  background: rgba(168,85,247,0.15);
  color: var(--secondary);
  border: 1.5px solid rgba(168,85,247,0.4);
}
.btn-secondary:hover { background: rgba(168,85,247,0.25); transform: translateY(-2px); color: var(--secondary); }

/* 英雄统计 */
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 1.6rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.hero-stat .label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

/* ===== 通用区块 ===== */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-section); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}
.section-title .gradient { background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-subtitle { font-size: 0.95rem; color: var(--text-sub); max-width: 560px; margin: 0 auto; }
.section-more { display: flex; justify-content: center; margin-top: 36px; }

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-pink);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #0D0812;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,8,18,0.4);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 54px;
  height: 54px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 24px rgba(255,107,157,0.5);
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon::after {
  content: '';
  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;
  font-size: 0.75rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
}
.video-info { padding: 14px 16px; }
.video-title {
  font-size: 0.9rem;
  font-weight: 700;
  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;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.video-stats {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-sub);
}

/* ===== 特性卡片 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transition: var(--transition);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-pink);
}
.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,107,157,0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  border: 1px solid rgba(255,107,157,0.2);
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.feature-card p { font-size: 0.85rem; color: var(--text-sub); line-height: 1.7; }

/* ===== 专家卡片 ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-pink);
}
.expert-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--primary);
  box-shadow: 0 0 16px rgba(255,107,157,0.3);
}
.expert-name { font-size: 1.05rem; font-weight: 800; color: var(--text-main); margin-bottom: 4px; }
.expert-title { font-size: 0.82rem; color: var(--primary-light); margin-bottom: 10px; font-weight: 600; }
.expert-desc { font-size: 0.83rem; color: var(--text-sub); line-height: 1.7; margin-bottom: 14px; }
.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.expert-tag {
  background: rgba(255,107,157,0.1);
  border: 1px solid rgba(255,107,157,0.2);
  color: var(--primary-light);
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 12px;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.expert-btns a {
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 16px;
  font-weight: 600;
}

/* ===== 统计数字 ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}
.stat-item {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}
.stat-item:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.stat-num {
  font-size: 1.8rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 4px;
}
.stat-label { font-size: 0.82rem; color: var(--text-sub); }

/* ===== 用户评价 ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}
.review-card:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-weight: 700; color: var(--text-main); font-size: 0.9rem; }
.review-date { font-size: 0.75rem; color: var(--text-muted); }
.review-stars { color: var(--accent2); font-size: 0.85rem; margin-bottom: 8px; }
.review-text { font-size: 0.87rem; color: var(--text-sub); line-height: 1.75; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-glow); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.95rem;
  gap: 12px;
}
.faq-q::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  display: none;
  padding: 0 22px 18px;
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.faq-item.open .faq-a { display: block; }

/* ===== 合作品牌 ===== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}
.partner-item {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-sub);
  transition: var(--transition);
}
.partner-item:hover { border-color: var(--border-glow); color: var(--primary); transform: translateY(-2px); }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-section);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb-inner a { color: var(--text-muted); }
.breadcrumb-inner a:hover { color: var(--primary); }
.breadcrumb-inner span { color: var(--primary); }

/* ===== 联系区 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.contact-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.contact-card:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.contact-icon { font-size: 2rem; margin-bottom: 12px; }
.contact-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.contact-card p { font-size: 0.83rem; color: var(--text-sub); }

/* ===== 页脚 ===== */
.footer {
  background: linear-gradient(180deg, #0D0812 0%, #06040A 100%);
  border-top: 1px solid var(--border);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-wrap { margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.8; max-width: 280px; }
.footer-qr-row { display: flex; gap: 16px; margin-top: 16px; }
.footer-qr { text-align: center; }
.footer-qr img { width: 72px; height: 72px; border-radius: 8px; border: 1px solid var(--border); }
.footer-qr span { font-size: 0.7rem; color: var(--text-muted); display: block; margin-top: 4px; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.83rem; color: var(--text-muted); }
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 32px;
  height: 32px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-social a:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 视频模态框 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  max-width: 800px;
  width: 100%;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}
.modal-overlay.active .modal-box { transform: scale(1); }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 0.95rem; font-weight: 700; color: var(--text-main); }
.modal-close {
  width: 30px;
  height: 30px;
  background: var(--bg-card2);
  border: none;
  border-radius: 8px;
  color: var(--text-sub);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(255,107,157,0.15); color: var(--primary); }
.modal-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-video-placeholder {
  text-align: center;
  color: var(--text-muted);
}
.modal-video-placeholder .big-play {
  width: 80px;
  height: 80px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  cursor: pointer;
}
.modal-video-placeholder .big-play::after {
  content: '';
  border-style: solid;
  border-width: 14px 0 14px 26px;
  border-color: transparent transparent transparent #fff;
  margin-left: 5px;
}

/* ===== 特性行 ===== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-img img { border-radius: var(--radius-lg); width: 100%; box-shadow: var(--shadow-pink); }
.feature-text h2 { font-size: 1.8rem; font-weight: 800; color: var(--text-main); margin-bottom: 14px; }
.feature-text p { font-size: 0.9rem; color: var(--text-sub); line-height: 1.8; margin-bottom: 14px; }
.feature-list { list-style: none; margin-bottom: 24px; }
.feature-list li {
  font-size: 0.88rem;
  color: var(--text-sub);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}
.feature-list li::before {
  content: '♥';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.75rem;
}

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  background: rgba(255,107,157,0.1);
  border: 1px solid rgba(255,107,157,0.2);
  color: var(--primary-light);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
}
.tag-purple {
  background: rgba(168,85,247,0.1);
  border-color: rgba(168,85,247,0.2);
  color: #C084FC;
}
.tag-orange {
  background: rgba(255,142,83,0.1);
  border-color: rgba(255,142,83,0.2);
  color: #FFA07A;
}

/* ===== 分享按钮 ===== */
.share-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
  background: var(--bg-card2);
  color: var(--text-sub);
}
.share-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* ===== 滚动动画 ===== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .nav { display: none; position: fixed; top: 68px; left: 0; right: 0; background: rgba(13,8,18,0.98); flex-direction: column; padding: 20px; gap: 8px; border-bottom: 1px solid var(--border); z-index: 999; }
  .nav.open { display: flex; }
  .nav a { padding: 10px 16px; border-radius: 10px; }
  .hamburger { display: flex; }
  .search-bar { display: none; }
  .hero { min-height: 460px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 48px 0; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.7rem; }
  .hero-btns { flex-direction: column; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .topbar-left { display: none; }
}