/* ============================================================
   探花动物写真视频社区 - 主样式文件
   品牌色：森林绿 #e65100 | 金色 #c9a84c | 深绿 #0d3320
   域名：metahmos.cn
   ============================================================ */

/* ---- 全局重置 ---- */
*, *::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", sans-serif;
  background: #f5f7f2;
  color: #1e2a1a;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: #e65100; text-decoration: none; transition: color .25s; }
a:hover { color: #c9a84c; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; outline: none; }

/* ---- CSS变量 ---- */
:root {
  --green-dark: #0d3320;
  --green-main: #e65100;
  --green-mid:  #2a7a50;
  --green-light:#4caf78;
  --gold:       #c9a84c;
  --gold-light: #e8c97a;
  --white:      #ffffff;
  --off-white:  #f5f7f2;
  --gray-light: #e8ede4;
  --gray-mid:   #9aab92;
  --text-dark:  #1e2a1a;
  --text-mid:   #3d5240;
  --shadow-sm:  0 2px 8px rgba(26,92,56,.12);
  --shadow-md:  0 6px 24px rgba(26,92,56,.18);
  --shadow-lg:  0 12px 48px rgba(26,92,56,.22);
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ---- 干扰标签隐藏（不影响布局） ---- */
.dy-noise { display: none !important; }

/* ============================================================
   顶部导航
   ============================================================ */
#site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 9999;
  background: rgba(13,51,32,.97);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--gold);
  transition: box-shadow var(--transition);
}
#site-header.scrolled { box-shadow: var(--shadow-lg); }

.header-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; gap: 20px;
  height: 68px;
}

/* Logo区域 */
.site-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.site-logo img {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  object-fit: cover;
}
.logo-text {
  font-size: 1.4rem; font-weight: 800;
  color: var(--gold);
  letter-spacing: .05em;
  white-space: nowrap;
}
.logo-text span { color: var(--white); font-weight: 400; font-size: .85rem; display: block; line-height: 1; }

/* 主导航 */
.main-nav { flex: 1; display: flex; align-items: center; }
.nav-list {
  display: flex; gap: 4px; align-items: center;
}
.nav-list > li { position: relative; }
.nav-list > li > a {
  display: block; padding: 8px 14px;
  color: rgba(255,255,255,.88);
  font-size: .9rem; font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-list > li > a:hover,
.nav-list > li > a.active {
  color: var(--gold);
  background: rgba(201,168,76,.12);
}

/* 搜索框 */
.header-search {
  display: flex; align-items: center;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(201,168,76,.4);
  border-radius: 24px;
  padding: 6px 14px;
  gap: 8px;
  flex-shrink: 0;
}
.header-search input {
  background: transparent; border: none; outline: none;
  color: var(--white); font-size: .88rem; width: 160px;
}
.header-search input::placeholder { color: rgba(255,255,255,.5); }
.header-search button {
  background: transparent; color: var(--gold);
  font-size: 1rem; padding: 0;
  transition: transform var(--transition);
}
.header-search button:hover { transform: scale(1.15); }

/* 汉堡菜单 */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 6px; cursor: pointer;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--gold); border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* 搜索栏（导航下方） */
.search-bar-row {
  background: var(--green-dark);
  border-bottom: 1px solid rgba(201,168,76,.2);
  padding: 10px 24px;
  display: flex; justify-content: center;
}
.search-bar-row .search-full {
  display: flex; align-items: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(201,168,76,.35);
  border-radius: 28px;
  padding: 8px 20px; gap: 10px;
  width: 100%; max-width: 640px;
}
.search-bar-row .search-full input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--white); font-size: .95rem;
}
.search-bar-row .search-full input::placeholder { color: rgba(255,255,255,.45); }
.search-bar-row .search-full button {
  background: var(--gold); color: var(--green-dark);
  padding: 6px 18px; border-radius: 20px;
  font-size: .88rem; font-weight: 600;
  transition: background var(--transition);
}
.search-bar-row .search-full button:hover { background: var(--gold-light); }

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb {
  background: var(--gray-light);
  padding: 10px 24px;
  font-size: .82rem; color: var(--text-mid);
}
.breadcrumb-inner { max-width: 1280px; margin: 0 auto; }
.breadcrumb a { color: var(--green-main); }
.breadcrumb span { margin: 0 6px; color: var(--gray-mid); }

/* ============================================================
   Hero Banner
   ============================================================ */
.hero-banner {
  position: relative;
  width: 100%; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  margin-top: 68px; /* header height */
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/banner-hero.jpg');
  background-size: cover; background-position: center;
  filter: brightness(.45);
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero-banner:hover .hero-bg { transform: scale(1); }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,51,32,.7) 0%, rgba(26,92,56,.4) 50%, rgba(201,168,76,.15) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center; padding: 60px 24px;
  max-width: 900px;
}
.hero-badge {
  display: inline-block;
  background: rgba(201,168,76,.2);
  border: 1px solid var(--gold);
  color: var(--gold-light);
  padding: 6px 20px; border-radius: 20px;
  font-size: .82rem; letter-spacing: .1em;
  margin-bottom: 24px;
}
.hero-content h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900; color: var(--white);
  line-height: 1.2; margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,.5);
}
.hero-content h1 .brand { color: var(--gold); }
.hero-content .hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: rgba(255,255,255,.85);
  margin-bottom: 12px;
}
.hero-content .hero-desc {
  font-size: .95rem; color: rgba(255,255,255,.7);
  max-width: 680px; margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--gold);
  color: var(--green-dark);
  padding: 14px 36px; border-radius: 28px;
  font-size: 1rem; font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(201,168,76,.4);
}
.btn-primary:hover {
  background: var(--gold-light); transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(201,168,76,.5);
  color: var(--green-dark);
}
.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,.6);
  color: var(--white);
  padding: 12px 32px; border-radius: 28px;
  font-size: 1rem; font-weight: 600;
  transition: all var(--transition);
}
.btn-outline:hover {
  border-color: var(--gold); color: var(--gold);
  transform: translateY(-2px);
}
.hero-stats {
  display: flex; gap: 40px; justify-content: center;
  margin-top: 48px; flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 2rem; font-weight: 800; color: var(--gold);
  display: block;
}
.hero-stat .label { font-size: .82rem; color: rgba(255,255,255,.7); }

/* ============================================================
   通用区块
   ============================================================ */
.section { padding: 80px 24px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  background: rgba(26,92,56,.1);
  color: var(--green-main);
  border: 1px solid rgba(26,92,56,.2);
  padding: 4px 16px; border-radius: 20px;
  font-size: .78rem; font-weight: 600;
  letter-spacing: .08em; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800; color: var(--text-dark);
  line-height: 1.3; margin-bottom: 12px;
}
.section-title .brand { color: var(--green-main); }
.section-desc {
  font-size: 1rem; color: var(--text-mid);
  max-width: 600px; margin: 0 auto;
}
.section-alt { background: var(--white); }
.section-dark {
  background: var(--green-dark);
  color: var(--white);
}
.section-dark .section-title { color: var(--white); }
.section-dark .section-title .brand { color: var(--gold); }
.section-dark .section-desc { color: rgba(255,255,255,.75); }
.section-dark .section-tag {
  background: rgba(201,168,76,.15);
  color: var(--gold); border-color: rgba(201,168,76,.3);
}

/* ============================================================
   视频卡片
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.video-thumb {
  position: relative;
  width: 100%; padding-top: 56.25%; /* 16:9 */
  overflow: hidden; background: var(--green-dark);
}
.video-thumb img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--transition);
}
.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(13,51,32,.35);
  opacity: 0; transition: opacity var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 60px; height: 60px;
  background: rgba(201,168,76,.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transform: scale(.85); transition: transform var(--transition);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon::after {
  content: '';
  border-left: 20px solid var(--green-dark);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 4px;
}
.video-duration {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,.75); color: var(--white);
  padding: 2px 8px; border-radius: 4px;
  font-size: .75rem;
}
.video-tag {
  position: absolute; top: 8px; left: 8px;
  background: var(--gold); color: var(--green-dark);
  padding: 2px 10px; border-radius: 4px;
  font-size: .72rem; font-weight: 700;
}
.video-info { padding: 16px; }
.video-title {
  font-size: .95rem; font-weight: 700;
  color: var(--text-dark); margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.video-meta {
  display: flex; gap: 12px; align-items: center;
  font-size: .78rem; color: var(--gray-mid);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.vtag {
  background: rgba(26,92,56,.08);
  color: var(--green-main);
  padding: 2px 8px; border-radius: 12px;
  font-size: .72rem;
}

/* 视频模态框 */
.video-modal {
  display: none; position: fixed; inset: 0; z-index: 99999;
  background: rgba(0,0,0,.88);
  align-items: center; justify-content: center;
}
.video-modal.open { display: flex; }
.modal-inner {
  position: relative; width: 90%; max-width: 860px;
  background: var(--green-dark); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-lg);
}
.modal-close {
  position: absolute; top: 12px; right: 16px; z-index: 10;
  background: rgba(201,168,76,.9); color: var(--green-dark);
  width: 32px; height: 32px; border-radius: 50%;
  font-size: 1.1rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.modal-video-wrap {
  width: 100%; padding-top: 56.25%; position: relative;
  background: #000;
}
.modal-video-wrap video {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: contain;
}
.modal-info { padding: 20px; }
.modal-info h3 { color: var(--gold); font-size: 1.1rem; margin-bottom: 8px; }
.modal-info p { color: rgba(255,255,255,.75); font-size: .88rem; }

/* ============================================================
   特色模块 - 动物传媒
   ============================================================ */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.media-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
}
.media-card:hover {
  border-color: var(--green-main);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.media-icon {
  width: 60px; height: 60px; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--green-main), var(--green-mid));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
}
.media-card h3 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.media-card p { font-size: .82rem; color: var(--text-mid); line-height: 1.6; }

/* ============================================================
   AI赋能区块
   ============================================================ */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.ai-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(201,168,76,.2);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition);
}
.ai-card:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--gold);
  transform: translateY(-4px);
}
.ai-card .ai-num {
  font-size: 2.5rem; font-weight: 900;
  color: rgba(201,168,76,.3); line-height: 1;
  margin-bottom: 12px;
}
.ai-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--gold); margin-bottom: 10px; }
.ai-card p { font-size: .88rem; color: rgba(255,255,255,.75); line-height: 1.7; }

/* ============================================================
   专家展示
   ============================================================ */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.expert-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.expert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.expert-photo {
  width: 100%; height: 220px; object-fit: cover;
}
.expert-info { padding: 20px; }
.expert-name { font-size: 1.1rem; font-weight: 800; color: var(--text-dark); margin-bottom: 4px; }
.expert-role {
  font-size: .82rem; color: var(--green-main);
  font-weight: 600; margin-bottom: 10px;
}
.expert-cert {
  display: inline-block;
  background: rgba(26,92,56,.1);
  color: var(--green-main);
  padding: 3px 10px; border-radius: 12px;
  font-size: .72rem; margin-bottom: 10px;
}
.expert-desc { font-size: .85rem; color: var(--text-mid); line-height: 1.6; margin-bottom: 14px; }
.expert-actions { display: flex; gap: 10px; }
.btn-sm {
  padding: 7px 16px; border-radius: 20px;
  font-size: .8rem; font-weight: 600;
  transition: all var(--transition);
}
.btn-sm-primary {
  background: var(--green-main); color: var(--white);
}
.btn-sm-primary:hover { background: var(--green-mid); color: var(--white); }
.btn-sm-outline {
  border: 1.5px solid var(--green-main); color: var(--green-main);
}
.btn-sm-outline:hover { background: var(--green-main); color: var(--white); }

/* ============================================================
   社区功能区
   ============================================================ */
.community-tabs {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.ctab {
  padding: 8px 20px; border-radius: 20px;
  font-size: .88rem; font-weight: 600;
  border: 1.5px solid var(--gray-light);
  color: var(--text-mid); background: var(--white);
  transition: all var(--transition); cursor: pointer;
}
.ctab.active, .ctab:hover {
  background: var(--green-main); color: var(--white);
  border-color: var(--green-main);
}

/* ============================================================
   合作品牌Logo墙
   ============================================================ */
.partner-wall {
  display: flex; gap: 20px; flex-wrap: wrap;
  align-items: center; justify-content: center;
}
.partner-item {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-size: .9rem; font-weight: 700;
  color: var(--text-mid);
  transition: all var(--transition);
}
.partner-item:hover {
  border-color: var(--green-main);
  color: var(--green-main);
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-q {
  padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; gap: 12px;
}
.faq-q h3 {
  font-size: .95rem; font-weight: 700; color: var(--text-dark);
  flex: 1;
}
.faq-arrow {
  width: 24px; height: 24px; flex-shrink: 0;
  background: rgba(26,92,56,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--green-main); font-size: .8rem;
  transition: transform var(--transition);
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease, padding .3s;
  padding: 0 24px;
}
.faq-a p { font-size: .88rem; color: var(--text-mid); line-height: 1.8; padding-bottom: 18px; }
.faq-item.open .faq-a { max-height: 400px; }

/* ============================================================
   用户评论
   ============================================================ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  border-left: 4px solid var(--green-main);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.review-stars { color: var(--gold); font-size: 1rem; margin-bottom: 10px; }
.review-text { font-size: .88rem; color: var(--text-mid); line-height: 1.75; margin-bottom: 14px; }
.review-user { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-main), var(--gold));
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-weight: 700; font-size: .9rem;
  flex-shrink: 0;
}
.review-name { font-size: .85rem; font-weight: 700; color: var(--text-dark); }
.review-location { font-size: .75rem; color: var(--gray-mid); }
.review-tag {
  display: inline-block;
  background: rgba(26,92,56,.08);
  color: var(--green-main);
  padding: 2px 8px; border-radius: 10px;
  font-size: .7rem; margin-top: 4px;
}

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.contact-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(201,168,76,.2);
  border-radius: var(--radius-md);
  padding: 28px 24px; text-align: center;
  transition: all var(--transition);
}
.contact-card:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--gold);
}
.contact-icon {
  font-size: 2rem; margin-bottom: 12px;
}
.contact-card h3 { color: var(--gold); font-size: 1rem; margin-bottom: 8px; }
.contact-card p { color: rgba(255,255,255,.75); font-size: .88rem; line-height: 1.6; }

/* ============================================================
   社交分享
   ============================================================ */
.share-bar {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center;
  padding: 24px;
}
.share-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 24px;
  font-size: .88rem; font-weight: 600;
  transition: all var(--transition);
}
.share-wechat { background: #07c160; color: #fff; }
.share-weibo  { background: #e6162d; color: #fff; }
.share-douyin { background: #000; color: #fff; border: 1px solid #fe2c55; }
.share-bilibili { background: #00a1d6; color: #fff; }
.share-btn:hover { opacity: .85; transform: translateY(-2px); color: #fff; }

/* ============================================================
   二维码区域
   ============================================================ */
.qrcode-section {
  display: flex; gap: 40px; justify-content: center;
  flex-wrap: wrap; padding: 40px 24px;
}
.qrcode-item { text-align: center; }
.qrcode-item img {
  width: 140px; height: 140px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(201,168,76,.4);
  margin: 0 auto 10px;
}
.qrcode-item p { font-size: .82rem; color: rgba(255,255,255,.7); }

/* ============================================================
   信任认证区
   ============================================================ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}
.trust-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 16px; text-align: center;
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
}
.trust-card:hover { border-color: var(--gold); box-shadow: var(--shadow-sm); }
.trust-icon { font-size: 2rem; margin-bottom: 8px; }
.trust-card h4 { font-size: .85rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.trust-card p { font-size: .75rem; color: var(--gray-mid); }

/* ============================================================
   娱乐专区
   ============================================================ */
.entertain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.entertain-card {
  position: relative; border-radius: var(--radius-md);
  overflow: hidden; cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.entertain-card img {
  width: 100%; height: 200px; object-fit: cover;
  transition: transform var(--transition);
}
.entertain-card:hover img { transform: scale(1.06); }
.entertain-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(13,51,32,.9));
  padding: 20px 16px 16px;
}
.entertain-overlay h3 { color: var(--white); font-size: .95rem; font-weight: 700; margin-bottom: 4px; }
.entertain-overlay p { color: rgba(255,255,255,.75); font-size: .78rem; }
.tiktok-badge {
  position: absolute; top: 10px; right: 10px;
  background: linear-gradient(135deg, #fe2c55, #25f4ee);
  color: #fff; padding: 3px 10px; border-radius: 12px;
  font-size: .7rem; font-weight: 700;
}

/* ============================================================
   页脚
   ============================================================ */
#site-footer {
  background: #060e08;
  color: rgba(255,255,255,.7);
  padding: 60px 24px 24px;
  border-top: 2px solid rgba(201,168,76,.3);
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px; margin-bottom: 48px;
}
.footer-brand .logo-wrap {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.footer-brand .logo-wrap img {
  width: 44px; height: 44px; border-radius: 50%;
  border: 2px solid var(--gold); object-fit: cover;
}
.footer-brand .brand-name {
  font-size: 1.3rem; font-weight: 800; color: var(--gold);
}
.footer-brand p {
  font-size: .85rem; line-height: 1.75; margin-bottom: 16px;
  color: rgba(255,255,255,.6);
}
.footer-contact-info { font-size: .82rem; line-height: 2; }
.footer-contact-info a { color: rgba(255,255,255,.6); }
.footer-contact-info a:hover { color: var(--gold); }
.footer-col h4 {
  font-size: .95rem; font-weight: 700; color: var(--gold);
  margin-bottom: 16px; padding-bottom: 8px;
  border-bottom: 1px solid rgba(201,168,76,.2);
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: .85rem; color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.45); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: .8rem; color: rgba(255,255,255,.45); }
.footer-links a:hover { color: var(--gold); }
.update-time { font-size: .78rem; color: rgba(255,255,255,.35); }

/* ============================================================
   内页通用
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-main) 100%);
  padding: 80px 24px 60px;
  text-align: center; margin-top: 68px;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900; color: var(--white); margin-bottom: 12px;
}
.page-hero h1 .brand { color: var(--gold); }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,.8); max-width: 600px; margin: 0 auto; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .nav-list { gap: 2px; }
  .nav-list > li > a { padding: 8px 10px; font-size: .85rem; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: fixed; top: 68px; left: 0; width: 100%;
    background: var(--green-dark);
    padding: 16px 0;
    transform: translateY(-120%);
    transition: transform var(--transition);
    border-bottom: 2px solid var(--gold);
    z-index: 9998;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list > li > a { padding: 12px 24px; border-radius: 0; }
  .header-search { display: none; }
  .hero-banner { min-height: 80vh; }
  .hero-stats { gap: 24px; }
  .footer-top { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .section { padding: 56px 16px; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .video-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp .6s ease both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }

/* 懒加载占位 */
img[data-src] { opacity: 0; transition: opacity .4s; }
img.loaded { opacity: 1; }

/* 滚动条美化 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--off-white); }
::-webkit-scrollbar-thumb { background: var(--green-mid); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-main); }

/* ============================================================
   时间线 Timeline
   ============================================================ */
.timeline { max-width: 800px; margin: 0 auto; position: relative; padding-left: 44px; }
.timeline::before { content: ''; position: absolute; left: 14px; top: 0; bottom: 0; width: 3px; background: linear-gradient(to bottom, var(--green-main), var(--gold)); border-radius: 2px; }
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-item::before { content: ''; position: absolute; left: -36px; top: 8px; width: 14px; height: 14px; background: var(--gold); border-radius: 50%; border: 3px solid var(--green-main); box-shadow: 0 0 0 4px rgba(201,168,76,.2); }
.timeline-year { display: inline-block; background: var(--green-main); color: var(--white); font-size: .8rem; font-weight: 700; padding: 3px 14px; border-radius: 20px; margin-bottom: 10px; letter-spacing: 1px; }
.timeline-content h3 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.timeline-content p { font-size: .87rem; color: var(--text-mid); line-height: 1.7; }

/* ============================================================
   视频标签 vtag
   ============================================================ */
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.vtag { display: inline-block; background: rgba(26,92,56,.1); color: var(--green-main); font-size: .7rem; padding: 2px 8px; border-radius: 8px; font-weight: 600; }

/* ============================================================
   媒体图标 media-icon
   ============================================================ */
.media-icon { font-size: 2.2rem; margin-bottom: 14px; }

/* ============================================================
   视频模态框
   ============================================================ */
.video-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.88); z-index: 99999; align-items: center; justify-content: center; }
.video-modal.active { display: flex; }
.modal-inner { background: var(--green-dark); border-radius: var(--radius-lg); max-width: 820px; width: 96%; position: relative; overflow: hidden; box-shadow: 0 24px 80px rgba(0,0,0,.6); }
.modal-close { position: absolute; top: 14px; right: 18px; background: rgba(255,255,255,.1); border: none; color: var(--white); font-size: 1.3rem; cursor: pointer; z-index: 10; width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: background var(--transition); }
.modal-close:hover { background: rgba(255,255,255,.2); }
.modal-video-wrap { width: 100%; aspect-ratio: 16/9; background: #000; }
.modal-video-wrap video { width: 100%; height: 100%; object-fit: contain; }
.modal-info { padding: 20px 24px; }
.modal-info h3 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.modal-info p { color: rgba(255,255,255,.65); font-size: .85rem; }

/* ============================================================
   AI 专区补充
   ============================================================ */
.ai-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }

/* ============================================================
   响应式补充
   ============================================================ */
@media (max-width: 768px) {
  .timeline { padding-left: 30px; }
  .timeline-item::before { left: -24px; }
  .ai-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .contact-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .page-hero { padding: 60px 16px 40px; }
}