/* =====================================================
   海角 - 主样式文件
   品牌色系：深紫 #2D1B4E | 金色 #C9A84C | 绯红 #C0392B | 玉白 #F5F0E8
   ===================================================== */

/* ---- CSS变量 ---- */
:root {
  --color-primary: #2D1B4E;
  --color-secondary: #C9A84C;
  --color-accent: #C0392B;
  --color-bg: #F5F0E8;
  --color-bg-dark: #1A0F2E;
  --color-text: #2c2c2c;
  --color-text-light: #f0ece0;
  --color-card-bg: #ffffff;
  --color-border: rgba(201,168,76,0.3);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --shadow-card: 0 4px 20px rgba(45,27,78,0.15);
  --shadow-hover: 0 8px 30px rgba(45,27,78,0.3);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: all 0.3s ease;
}

/* ---- 重置与基础 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-secondary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ---- 滚动条美化 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }

/* =====================================================
   顶部公告栏
   ===================================================== */
.xtq7z4me {
  background: var(--color-primary);
  color: var(--color-secondary);
  text-align: center;
  padding: 6px 20px;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.xtq7z4me a { color: var(--color-secondary); }
.xtq7z4me a:hover { color: #fff; }

/* =====================================================
   导航栏
   ===================================================== */
.site-header {
  background: rgba(26,15,46,0.97);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-secondary);
  object-fit: cover;
}
.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 1px;
}
.logo-text span { color: #fff; }

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: block;
  padding: 8px 14px;
  color: #e8e0d0;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav > li > a:hover,
.main-nav > li > a.active {
  color: var(--color-secondary);
  background: rgba(201,168,76,0.1);
}
/* 下拉菜单 */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-width: 160px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 100;
  box-shadow: var(--shadow-hover);
}
.main-nav > li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li a {
  display: block;
  padding: 8px 18px;
  color: #ccc;
  font-size: 13px;
  transition: var(--transition);
}
.dropdown-menu li a:hover {
  color: var(--color-secondary);
  background: rgba(201,168,76,0.08);
  padding-left: 24px;
}

/* 搜索框 */
.search-wrap {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 24px;
  overflow: hidden;
  transition: var(--transition);
}
.search-wrap:focus-within {
  border-color: var(--color-secondary);
  background: rgba(255,255,255,0.12);
}
.search-input {
  background: transparent;
  border: none;
  outline: none;
  padding: 7px 14px;
  color: #fff;
  font-size: 13px;
  width: 180px;
}
.search-input::placeholder { color: rgba(255,255,255,0.4); }
.search-btn {
  background: var(--color-secondary);
  border: none;
  padding: 7px 14px;
  cursor: pointer;
  color: var(--color-primary);
  font-size: 14px;
  transition: var(--transition);
}
.search-btn:hover { background: #e0bb5a; }

/* 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(--color-secondary);
  border-radius: 2px;
  transition: var(--transition);
}

/* =====================================================
   面包屑
   ===================================================== */
.breadcrumb {
  background: rgba(45,27,78,0.06);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}
.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  font-size: 13px;
  color: #888;
}
.breadcrumb-inner a { color: var(--color-primary); }
.breadcrumb-inner span { margin: 0 6px; }

/* =====================================================
   Hero Banner
   ===================================================== */
.hero-banner {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,15,46,0.85) 0%, rgba(45,27,78,0.6) 50%, rgba(192,57,43,0.3) 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: 40px;
  align-items: center;
}
.hero-text h1 {
  font-size: clamp(28px, 4vw, 48px);
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
}
.hero-text h1 em {
  font-style: normal;
  color: var(--color-secondary);
  display: block;
}
.hero-text .hero-desc {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  margin-bottom: 24px;
  line-height: 1.8;
}
.hero-stats {
  display: flex;
  gap: 30px;
  margin-bottom: 32px;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-secondary);
  display: block;
}
.stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: 30px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary:hover {
  background: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 30px;
  font-size: 15px;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.hero-image-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image-wrap img {
  max-height: 420px;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  border: 2px solid var(--color-border);
}

/* =====================================================
   通用区块样式
   ===================================================== */
.section { padding: 70px 0; }
.section-alt { background: linear-gradient(180deg, #f0ece0 0%, #e8e2d4 100%); }
.section-dark { background: var(--color-bg-dark); color: var(--color-text-light); }
.section-purple { background: linear-gradient(135deg, #2D1B4E 0%, #3d2568 100%); color: var(--color-text-light); }

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

.section-header { text-align: center; margin-bottom: 50px; }
.section-tag {
  display: inline-block;
  background: rgba(201,168,76,0.15);
  color: var(--color-secondary);
  border: 1px solid rgba(201,168,76,0.4);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(22px, 3vw, 36px);
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-dark .section-title,
.section-purple .section-title { color: #fff; }
.section-subtitle {
  color: #666;
  font-size: 15px;
  max-width: 600px;
  margin: 0 auto;
}
.section-dark .section-subtitle,
.section-purple .section-subtitle { color: rgba(255,255,255,0.7); }

/* 分割线 */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  margin: 14px auto 0;
  border-radius: 2px;
}

/* =====================================================
   视频卡片
   ===================================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  background: #1a0f2e;
}
.video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-btn { opacity: 1; }
.play-icon {
  width: 60px;
  height: 60px;
  background: rgba(201,168,76,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon::after {
  content: '';
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent var(--color-primary);
  margin-left: 4px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.video-info { padding: 14px 16px; }
.video-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.4;
  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: #888;
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-stats {
  display: flex;
  gap: 14px;
  margin-top: 8px;
  font-size: 12px;
  color: #999;
}

/* =====================================================
   专家卡片
   ===================================================== */
.vc471q-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.expert-card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.expert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}
.expert-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.expert-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--color-secondary);
  box-shadow: 0 4px 15px rgba(201,168,76,0.3);
}
.expert-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.expert-title {
  font-size: 13px;
  color: var(--color-secondary);
  margin-bottom: 12px;
}
.expert-desc {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 16px;
}
.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.tag {
  background: rgba(45,27,78,0.08);
  color: var(--color-primary);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  border: 1px solid rgba(45,27,78,0.15);
}
.expert-btns { display: flex; gap: 10px; justify-content: center; }
.btn-sm {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-sm-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-sm-primary:hover { background: #3d2568; }
.btn-sm-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-sm-outline:hover { background: var(--color-primary); color: #fff; }

/* =====================================================
   功能模块卡片
   ===================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.feature-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover {
  background: rgba(201,168,76,0.08);
  border-color: var(--color-secondary);
  transform: translateY(-4px);
}
.feature-icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
}
.feature-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

/* =====================================================
   社区动物区块
   ===================================================== */
.xq4u3sbd-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.xq4u3sbd-card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border-left: 4px solid var(--color-secondary);
}
.xq4u3sbd-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-hover);
}
.xq4u3sbd-emoji { font-size: 40px; flex-shrink: 0; }
.xq4u3sbd-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.xq4u3sbd-info p {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
}
.xq4u3sbd-count {
  font-size: 12px;
  color: var(--color-secondary);
  font-weight: 600;
  margin-top: 6px;
}

/* =====================================================
   用户评价
   ===================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
}
.review-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 60px;
  color: rgba(201,168,76,0.15);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.review-stars { color: #f5a623; font-size: 14px; margin-bottom: 10px; }
.review-text {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 16px;
}
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 600; color: var(--color-primary); }
.review-date { font-size: 12px; color: #999; }

/* =====================================================
   FAQ
   ===================================================== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--color-card-bg);
}
.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
  user-select: none;
}
.faq-question:hover { background: rgba(45,27,78,0.04); }
.faq-question.active { color: var(--color-secondary); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-question.active .faq-icon {
  background: var(--color-secondary);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-answer.open { max-height: 300px; }
.faq-answer-inner {
  padding: 0 24px 18px;
  font-size: 14px;
  color: #555;
  line-height: 1.8;
}

/* =====================================================
   合作品牌Logo墙
   ===================================================== */
.eo74lds-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}
.partner-item {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  transition: var(--transition);
  text-align: center;
  min-width: 120px;
}
.partner-item:hover {
  background: var(--color-primary);
  color: var(--color-secondary);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* =====================================================
   联系我们
   ===================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}
.contact-info-card h3 {
  font-size: 20px;
  color: var(--color-secondary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.contact-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.contact-label { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 2px; }
.contact-value { font-size: 14px; color: rgba(255,255,255,0.9); }
.qrcode-row {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 24px;
}
.qrcode-item { text-align: center; }
.qrcode-item img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  margin: 0 auto 8px;
}
.qrcode-item p { font-size: 12px; color: rgba(255,255,255,0.6); }

/* =====================================================
   社交分享
   ===================================================== */
.adtx7 {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.qasocna {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.d1d304 { background: #07C160; color: #fff; }
.qekf7qd { background: #E6162D; color: #fff; }
.qljecsv { background: #000; color: #fff; border: 1px solid #333; }
.pccz9eg { background: #00A1D6; color: #fff; }
.cdl5b2t { background: #12B7F5; color: #fff; }
.qasocna:hover { opacity: 0.85; transform: translateY(-2px); }

/* =====================================================
   页脚
   ===================================================== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
  border-top: 1px solid var(--color-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text { font-size: 20px; margin-bottom: 12px; }
.footer-desc {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.footer-col h4 {
  font-size: 15px;
  color: var(--color-secondary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--color-secondary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--color-secondary); }

/* =====================================================
   内页通用
   ===================================================== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #3d2568 100%);
  padding: 60px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/banner.jpg') center/cover no-repeat;
  opacity: 0.15;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(24px, 4vw, 42px);
  margin-bottom: 12px;
}
.page-hero p {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto;
}

/* =====================================================
   AI赋能区块
   ===================================================== */
.ai-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-card {
  background: linear-gradient(135deg, rgba(45,27,78,0.8), rgba(61,37,104,0.6));
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ai-card::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(201,168,76,0.2), transparent);
  border-radius: 50%;
}
.ai-card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-4px);
}
.ai-icon { font-size: 40px; margin-bottom: 16px; }
.ai-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 10px;
}
.ai-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

/* =====================================================
   数据统计条
   ===================================================== */
.stats-bar {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #e0bb5a 100%);
  padding: 30px 0;
}
.stats-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.stats-item { text-align: center; }
.stats-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  line-height: 1;
}
.stats-label {
  font-size: 13px;
  color: rgba(45,27,78,0.7);
  margin-top: 4px;
}

/* =====================================================
   How-To加入社区
   ===================================================== */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step-card {
  text-align: center;
  padding: 28px 20px;
  position: relative;
}
.step-card::after {
  content: '';
  position: absolute;
  top: 40px;
  right: -10px;
  width: 20px;
  height: 2px;
  background: var(--color-border);
}
.step-card:last-child::after { display: none; }
.step-num {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-secondary), #e0bb5a);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin: 0 auto 16px;
  box-shadow: 0 4px 15px rgba(201,168,76,0.3);
}
.step-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.step-desc { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.6; }

/* =====================================================
   响应式布局
   ===================================================== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-image-wrap { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ai-features { grid-template-columns: 1fr 1fr; }
  .howto-steps { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .search-wrap { display: none; }
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 22px; }
  .xq4u3sbd-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .ai-features { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: 1fr 1fr; }
  .step-card::after { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .video-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: 1fr; }
  .qrcode-row { flex-direction: column; align-items: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* =====================================================
   移动端导航抽屉
   ===================================================== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border);
  z-index: 999;
  padding: 16px 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 12px 0;
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav a:hover { color: var(--color-secondary); }
.mobile-search {
  display: flex;
  margin-top: 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  overflow: hidden;
}
.mobile-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 10px 16px;
  color: #fff;
  font-size: 14px;
}
.mobile-search button {
  background: var(--color-secondary);
  border: none;
  padding: 10px 16px;
  cursor: pointer;
  color: var(--color-primary);
}

/* =====================================================
   懒加载占位
   ===================================================== */
img[loading="lazy"] {
  background: linear-gradient(90deg, #e0d8f0, #f0e8d8, #e0d8f0);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* =====================================================
   视频模态框
   ===================================================== */
.u54m3 {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.u54m3.open { display: flex; }
.t2bhb1o2 {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 800px;
  width: 90%;
  position: relative;
}
.yj5d1uav {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.aqh2dta9 {
  width: 100%;
  aspect-ratio: 16/9;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
}

/* =====================================================
   回到顶部按钮
   ===================================================== */
.b01w6 {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  box-shadow: 0 4px 15px rgba(201,168,76,0.4);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 500;
  border: none;
}
.b01w6.visible { opacity: 1; visibility: visible; }
.b01w6:hover { transform: translateY(-3px); background: #e0bb5a; }

/* =====================================================
   内页文章样式
   ===================================================== */
.article-content {
  max-width: 860px;
  margin: 0 auto;
  line-height: 1.9;
}
.article-content h2 {
  font-size: 22px;
  color: var(--color-primary);
  margin: 32px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--color-secondary);
}
.article-content h3 {
  font-size: 18px;
  color: var(--color-primary);
  margin: 24px 0 10px;
}
.article-content p { margin-bottom: 16px; color: #444; }
.article-content ul { padding-left: 20px; margin-bottom: 16px; }
.article-content ul li { margin-bottom: 8px; color: #444; list-style: disc; }

/* =====================================================
   通知提示
   ===================================================== */
.rdc8brb4 {
  background: linear-gradient(90deg, var(--color-primary), #3d2568);
  color: rgba(255,255,255,0.9);
  padding: 12px 20px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}
.notice-icon { font-size: 16px; flex-shrink: 0; }
.nw0alg {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
}
.notice-text {
  display: inline-block;
  animation: marquee 30s linear infinite;
}
@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}