/* ============================================
   蜜桃传媒 - 原创样式表
   品牌色系：珊瑚粉 #FF6B6B / 暖橙 #FF8E53 / 深紫 #2D1B69 / 薰衣草 #9B7ED8 / 暖金 #FFD93D
   ============================================ */

/* CSS Variables */
:root {
  --brand-coral: #FF6B6B;
  --brand-orange: #FF8E53;
  --brand-purple: #2D1B69;
  --brand-lavender: #9B7ED8;
  --brand-gold: #FFD93D;
  --brand-light: #FFF5F5;
  --brand-dark: #1A0E3A;
  --text-primary: #2C2C2C;
  --text-secondary: #6B6B6B;
  --text-light: #FFFFFF;
  --bg-white: #FFFFFF;
  --bg-soft: #FAF0F0;
  --bg-section: #F8F4FF;
  --shadow-sm: 0 2px 8px rgba(45,27,105,0.08);
  --shadow-md: 0 4px 20px rgba(45,27,105,0.12);
  --shadow-lg: 0 8px 40px rgba(45,27,105,0.16);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::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", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--brand-coral); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--brand-orange); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--brand-purple); }

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

/* ============ HEADER ============ */
.site-header {
  background: linear-gradient(135deg, var(--brand-purple) 0%, var(--brand-dark) 100%);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; }
.logo-wrap img { height: 42px; width: auto; }
.logo-wrap .brand-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand-coral), var(--brand-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.main-nav ul { display: flex; gap: 6px; align-items: center; }
.main-nav a {
  color: var(--text-light);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  background: rgba(255,107,107,0.2);
  color: var(--brand-coral);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-light);
  margin: 5px 0;
  transition: var(--transition);
}

/* Search Bar */
.search-bar {
  background: rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(155,126,216,0.15);
  padding: 10px 0;
}
.search-bar .container { display: flex; justify-content: center; }
.search-input-wrap {
  display: flex;
  max-width: 560px;
  width: 100%;
  background: rgba(255,255,255,0.1);
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid rgba(155,126,216,0.3);
}
.search-input-wrap input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 20px;
  color: var(--text-light);
  font-size: 0.9rem;
  outline: none;
}
.search-input-wrap input::placeholder { color: rgba(255,255,255,0.5); }
.search-input-wrap button {
  background: linear-gradient(135deg, var(--brand-coral), var(--brand-orange));
  border: none;
  color: #fff;
  padding: 10px 24px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}
.search-input-wrap button:hover { opacity: 0.9; }

/* ============ HERO / BANNER ============ */
.hero-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-dark));
}
.hero-section img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  opacity: 0.85;
}
.hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px;
  background: linear-gradient(transparent, rgba(26,14,58,0.85));
}
.hero-overlay h1 {
  font-size: 2.2rem;
  color: var(--text-light);
  margin-bottom: 10px;
}
.hero-overlay p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  max-width: 600px;
}

/* ============ BREADCRUMB ============ */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid #f0e8f8;
}
.breadcrumb a { color: var(--brand-lavender); }
.breadcrumb span { margin: 0 6px; color: #ccc; }

/* ============ SECTION STYLES ============ */
.section { padding: 60px 0; }
.section-alt { background: var(--bg-section); }
.section-warm { background: var(--bg-soft); }
.section-dark {
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-dark));
  color: var(--text-light);
}
.section-dark h2, .section-dark h3 { color: var(--text-light); }
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-coral), var(--brand-orange));
  border-radius: 2px;
}
.section-title p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-top: 16px;
}

/* ============ VIDEO CARD GRID ============ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 60px;
  height: 60px;
  background: rgba(255,107,107,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(255,107,107,0.4);
}
.play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}
.video-card:hover .play-btn { transform: translate(-50%, -50%) scale(1); }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
}
.video-info { padding: 16px; }
.video-info h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.video-meta .views::before { content: '▶ '; }
.video-meta .likes::before { content: '♥ '; }
.video-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.video-tags .tag {
  background: linear-gradient(135deg, rgba(255,107,107,0.1), rgba(155,126,216,0.1));
  color: var(--brand-lavender);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
}

/* ============ EXPERT CARDS ============ */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}
.expert-card:hover {
  border-color: var(--brand-lavender);
  box-shadow: var(--shadow-md);
}
.expert-card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 16px;
  border: 3px solid var(--brand-lavender);
  object-fit: cover;
}
.expert-card h4 { font-size: 1.1rem; margin-bottom: 4px; }
.expert-card .role {
  color: var(--brand-coral);
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.expert-card p { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 16px; }
.expert-card .btn-group { display: flex; gap: 8px; justify-content: center; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-coral), var(--brand-orange));
  color: #fff;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(255,107,107,0.4); color: #fff; }
.btn-outline {
  background: transparent;
  border: 2px solid var(--brand-lavender);
  color: var(--brand-lavender);
}
.btn-outline:hover { background: var(--brand-lavender); color: #fff; }
.btn-sm { padding: 6px 16px; font-size: 0.8rem; }

/* ============ FAQ SECTION ============ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--brand-purple);
  transition: var(--transition);
}
.faq-question:hover { color: var(--brand-coral); }
.faq-question .icon {
  font-size: 1.2rem;
  transition: var(--transition);
  color: var(--brand-coral);
}
.faq-item.active .faq-question .icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer p {
  padding: 0 24px 18px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ============ REVIEWS ============ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--brand-coral);
}
.review-card .stars { color: var(--brand-gold); margin-bottom: 10px; font-size: 1rem; }
.review-card .content {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
  font-style: italic;
}
.review-card .author {
  font-weight: 600;
  color: var(--brand-purple);
  font-size: 0.88rem;
}

/* ============ PARTNER LOGOS ============ */
.partner-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
  align-items: center;
}
.partner-wall .partner-item {
  width: 140px;
  height: 60px;
  background: var(--bg-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  font-weight: 700;
  color: var(--brand-lavender);
  font-size: 0.85rem;
  transition: var(--transition);
}
.partner-wall .partner-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

/* ============ HOW-TO GUIDE ============ */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.howto-step {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  counter-increment: step;
}
.howto-step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--brand-coral), var(--brand-orange));
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 16px;
}
.howto-step h4 { margin-bottom: 8px; font-size: 1rem; }
.howto-step p { font-size: 0.88rem; color: var(--text-secondary); }

/* ============ CONTACT INFO ============ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.contact-card {
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  border: 1px solid rgba(155,126,216,0.2);
}
.contact-card h4 { margin-bottom: 12px; font-size: 1.05rem; }
.contact-card p { font-size: 0.9rem; opacity: 0.85; }

/* ============ SOCIAL SHARE ============ */
.share-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  transition: var(--transition);
}
.share-btn:hover { transform: translateY(-2px); color: #fff; }
.share-btn.wechat { background: #07C160; }
.share-btn.weibo { background: #E6162D; }
.share-btn.douyin { background: #161823; }
.share-btn.bilibili { background: #00A1D6; }

/* ============ FOOTER ============ */
.site-footer {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand-purple));
  color: rgba(255,255,255,0.75);
  padding: 50px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-col h4 {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 1.05rem;
}
.footer-col p, .footer-col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 2;
}
.footer-col a:hover { color: var(--brand-coral); }
.footer-qr { display: flex; gap: 20px; margin-top: 10px; }
.footer-qr img { width: 100px; height: 100px; border-radius: var(--radius-sm); }
.footer-bottom {
  border-top: 1px solid rgba(155,126,216,0.2);
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
}

/* ============ CATEGORY MODULES ============ */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.module-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-align: center;
}
.module-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.module-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.module-card h4 { padding: 14px 14px 4px; font-size: 0.95rem; }
.module-card .card-desc {
  padding: 0 14px 14px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.module-grid-8 {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.review-date {
  font-size: 0.78rem;
  color: var(--brand-lavender);
  margin-top: 6px;
}

/* ============ INNER PAGE CONTENT ============ */
.page-content {
  padding: 40px 0 60px;
  min-height: 60vh;
}
.page-content h2 { margin-bottom: 20px; }
.page-content p { margin-bottom: 16px; color: var(--text-secondary); }
.content-img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; }
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  .main-nav.active { display: block; }
  .main-nav ul {
    flex-direction: column;
    padding: 10px 0;
  }
  .main-nav a { display: block; padding: 10px 16px; }
  .hero-section img { height: 240px; }
  .hero-overlay { padding: 20px; }
  .hero-overlay h1 { font-size: 1.4rem; }
  .hero-overlay p { font-size: 0.9rem; }
  .section { padding: 40px 0; }
  .section-title h2 { font-size: 1.4rem; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .module-grid-8 { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .expert-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .container { padding: 0 16px; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: 1fr; }
  .logo-wrap .brand-text { font-size: 1.1rem; }
}

/* ============ LAZY LOAD ============ */
img[data-src] { opacity: 0; transition: opacity 0.5s ease; }
img[data-src].loaded { opacity: 1; }

/* ============ PRINT ============ */
@media print {
  .site-header, .site-footer, .search-bar, .share-bar { display: none; }
  body { color: #000; }
}