/* ============================================
   麻豆传媒 - 原创样式表
   品牌：麻豆 | 域名：xrebwto.cn
   配色：樱花粉红 + 梦幻紫 + 深夜蓝
   ============================================ */

/* === CSS Variables === */
:root {
  --primary: #E8456B;
  --primary-light: #FF7B9C;
  --accent: #6C5CE7;
  --accent-light: #A29BFE;
  --bg-light: #FFF5F7;
  --bg-dark: #1A1A2E;
  --bg-card: #FFFFFF;
  --text-dark: #2D2D3F;
  --text-secondary: #6B7280;
  --text-light: #F8F9FA;
  --border: #F0E6E8;
  --shadow: 0 4px 20px rgba(232,69,107,0.08);
  --shadow-hover: 0 8px 32px rgba(108,92,231,0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-width: 1200px;
  --gradient-primary: linear-gradient(135deg, #E8456B 0%, #6C5CE7 100%);
  --gradient-soft: linear-gradient(135deg, #FFF5F7 0%, #F0E6FF 100%);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
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(--text-dark); }

/* === Container === */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* === Header === */
.site-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 42px; width: auto; }
.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Navigation === */
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--gradient-primary);
  color: #fff;
  -webkit-text-fill-color: #fff;
}
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
  padding: 8px;
}

/* === Search Bar === */
.search-bar {
  background: var(--gradient-soft);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.search-bar .container { display: flex; justify-content: center; }
.search-wrapper {
  display: flex;
  align-items: center;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 50px;
  padding: 4px 6px 4px 20px;
  width: 100%;
  max-width: 580px;
  transition: var(--transition);
}
.search-wrapper:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(232,69,107,0.1); }
.search-wrapper input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.95rem;
  background: transparent;
  color: var(--text-dark);
}
.search-wrapper input::placeholder { color: var(--text-secondary); }
.search-btn {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.search-btn:hover { opacity: 0.9; transform: scale(1.02); }

/* === Hero Banner === */
.hero {
  position: relative;
  height: 520px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.7);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}
.hero h1 {
  font-size: 3rem;
  color: #fff;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero h1 span { color: var(--primary-light); }
.hero p {
  font-size: 1.2rem;
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto 28px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.2);
}
.hero-tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.hero-tag {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}

/* === Section Common === */
.section { padding: 70px 0; }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-dark h2, .section-dark h3 { color: var(--text-light); }
.section-alt { background: #fff; }
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  margin: 12px auto 0;
  border-radius: 2px;
}
.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}
.section-dark .section-header p { color: rgba(255,255,255,0.7); }

/* === Video Card Grid === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 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;
}
.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;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn svg {
  width: 56px;
  height: 56px;
  fill: #fff;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}
.video-info { padding: 14px 16px; }
.video-info h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
  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 span { display: flex; align-items: center; gap: 3px; }
.video-tags { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.video-tags span {
  background: var(--bg-light);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
}

/* === Feature Cards === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem;
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* === Expert Section === */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.expert-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--primary-light);
}
.expert-card h4 { font-size: 1.05rem; margin-bottom: 4px; }
.expert-card .role { color: var(--primary); font-size: 0.85rem; margin-bottom: 10px; }
.expert-card p { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 14px; }
.expert-links { display: flex; gap: 8px; justify-content: center; }
.expert-links a {
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  border: 1px solid var(--primary);
  color: var(--primary);
  transition: var(--transition);
}
.expert-links a:hover { background: var(--primary); color: #fff; }

/* === Partner Logos === */
.krbpb {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  align-items: center;
}
.krbpb .tdtvs {
  background: #fff;
  padding: 16px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}
.krbpb .tdtvs:hover { box-shadow: var(--shadow-hover); color: var(--primary); }

/* === FAQ Section === */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-bottom: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--border);
}
.faq-question {
  padding: 18px 24px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  font-size: 0.95rem;
}
.faq-question:hover { color: var(--primary); }
.faq-question .arrow {
  transition: var(--transition);
  font-size: 1.2rem;
  color: var(--primary);
}
.faq-item.active .faq-question .arrow { transform: rotate(180deg); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 18px; }

/* === Reviews === */
.review-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-left: 4px solid var(--primary);
}
.review-card:hover { box-shadow: var(--shadow-hover); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}
.review-name { font-weight: 600; font-size: 0.95rem; }
.review-stars { color: #FFB800; font-size: 0.85rem; }
.review-text { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.8; }

/* === Contact Section === */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  align-items: start;
}
.contact-info-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}
.contact-info-card h3 { font-size: 1.2rem; margin-bottom: 20px; color: var(--primary); }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.contact-item .icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}
.contact-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.qr-item { text-align: center; }
.qr-item img {
  width: 160px;
  height: 160px;
  border-radius: var(--radius);
  margin: 0 auto 8px;
  object-fit: cover;
}
.qr-item p { font-size: 0.85rem; color: var(--text-secondary); }

/* === How-To Guide === */
.31agabd {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.reyub2 {
  text-align: center;
  padding: 24px 16px;
  position: relative;
}
.reyub2::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 auto 16px;
}
.reyub2 h4 { font-size: 1rem; margin-bottom: 8px; }
.reyub2 p { color: var(--text-secondary); font-size: 0.85rem; }

/* === Social Share === */
.nrccek {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}
.prbxpbrx {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: #fff;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.prbxpbrx:hover { opacity: 0.85; transform: translateY(-2px); }
.lsr89 { background: #07C160; }
.mj9mwx7 { background: #E6162D; }
.snkctjh { background: #161823; }
.5o9cw5o { background: #00A1D6; }

/* === Footer === */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 50px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}
.footer-brand .logo-text {
  font-size: 1.6rem;
  margin-bottom: 12px;
  display: block;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.8; margin-bottom: 16px; }
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  padding: 5px 0;
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary-light); padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}
.footer-qr-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 20px;
}
.footer-qr-item { text-align: center; }
.footer-qr-item img {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  margin-bottom: 6px;
  object-fit: cover;
}
.footer-qr-item p { font-size: 0.8rem; color: rgba(255,255,255,0.5); }

/* === Breadcrumb === */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* === Inner Page Banner === */
.page-banner {
  height: 300px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.page-banner .hero-bg { filter: brightness(0.5); }
.page-banner h1 {
  color: #fff;
  font-size: 2.4rem;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 16px rgba(0,0,0,0.3);
}

/* === Content Area === */
.content-area {
  padding: 48px 0;
}
.content-area article {
  max-width: 900px;
  margin: 0 auto;
}
.content-area article h2 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}
.content-area article p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(232,69,107,0.3); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }

/* === MCP Service Frontend (Decorative) === */
.q5r1xj {
  background: var(--gradient-soft);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 24px;
  text-align: center;
  border: 1px dashed var(--border);
}
.q5r1xj p { font-size: 0.85rem; color: var(--text-secondary); }

/* === Lazy Load Placeholder === */
.lazy-img {
  background: var(--gradient-soft);
  transition: opacity 0.5s ease;
}
.lazy-img[data-loaded="true"] { background: transparent; }

/* === Responsive === */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .31agabd { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-inner { height: 56px; }
  .main-nav { 
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border-bottom: 2px solid var(--primary);
  }
  .main-nav.active { display: flex; }
  .mobile-menu-btn { display: block; }
  .hero { height: 380px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .section-header h2 { font-size: 1.6rem; }
  .page-banner { height: 220px; }
  .page-banner h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .31agabd { grid-template-columns: 1fr; }
  .hero { height: 320px; }
  .hero h1 { font-size: 1.6rem; }
  .search-wrapper { max-width: 100%; }
}

/* === Animation === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }