/* ===================================
   开云体育官网 - 主样式文件
   asi-login-kaiyunplay.com
   =================================== */

/* CSS变量 */
:root {
  --primary: #0a3d8f;
  --primary-dark: #072d6b;
  --accent: #f47c20;
  --accent-dark: #d96a10;
  --text-dark: #1a1a2e;
  --text-gray: #555;
  --text-light: #888;
  --bg-light: #f5f7fa;
  --bg-white: #fff;
  --border: #e0e6ef;
  --shadow: 0 4px 20px rgba(10,61,143,0.10);
  --shadow-hover: 0 8px 32px rgba(10,61,143,0.18);
  --radius: 10px;
  --radius-lg: 18px;
  --transition: 0.3s ease;
}

/* 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',sans-serif; color: var(--text-dark); background: var(--bg-white); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ===== 顶部公告栏 ===== */
.top-bar {
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  padding: 7px 0;
  text-align: center;
}
.top-bar a { color: var(--accent); font-weight: 600; }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 2px 12px rgba(10,61,143,0.09);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo-wrap { display: flex; align-items: center; gap: 12px; }
.logo-wrap img { height: 48px; width: auto; object-fit: contain; }
.logo-text { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: 1px; }
.logo-text span { color: var(--accent); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--primary);
  color: #fff;
}

.header-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: 24px !important;
  font-weight: 700 !important;
  font-size: 14px !important;
}
.header-cta:hover { background: var(--accent-dark) !important; }

/* 汉堡菜单 */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }

/* ===== 搜索栏 ===== */
.search-bar-wrap {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: 10px 0;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-form {
  display: flex;
  align-items: center;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 30px;
  overflow: hidden;
  width: 100%;
  max-width: 560px;
  transition: var(--transition);
}
.search-form:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(10,61,143,0.10); }
.search-form input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 18px;
  font-size: 14px;
  background: transparent;
  color: var(--text-dark);
}
.search-form button {
  background: var(--primary);
  border: none;
  color: #fff;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.search-form button:hover { background: var(--primary-dark); }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tag {
  font-size: 12px;
  color: var(--text-light);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 3px 12px;
  cursor: pointer;
  transition: var(--transition);
}
.search-tag:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 通用容器 ===== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-light); }
.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  text-align: center;
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-gray);
  text-align: center;
  margin-bottom: 50px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.section-title-line {
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin: 12px auto 48px;
}

/* ===== Banner / Hero ===== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--primary-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7,45,107,0.82) 0%, rgba(10,61,143,0.55) 60%, rgba(244,124,32,0.18) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  color: #fff;
}
.hero-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.hero h1 {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hero h1 span { color: var(--accent); }
.hero-desc {
  font-size: 17px;
  opacity: 0.92;
  max-width: 580px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.hero-tag {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(244,124,32,0.4);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,124,32,0.5); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  padding: 13px 30px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.6);
  transition: var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 36px; font-weight: 900; color: var(--accent); }
.hero-stat-label { font-size: 13px; opacity: 0.8; margin-top: 2px; }

/* ===== 视频网格 ===== */
.video-section { background: var(--text-dark); padding: 80px 0; }
.video-section .section-title { color: #fff; }
.video-section .section-subtitle { color: rgba(255,255,255,0.7); }
.video-section .section-title-line { background: var(--accent); }

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: #1e2a3a;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.video-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 60px;
  height: 60px;
  background: rgba(244,124,32,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.85);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(244,124,32,0.5);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon::after {
  content: '';
  border-left: 22px solid #fff;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  margin-left: 4px;
}
.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}
.video-info { padding: 16px; }
.video-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 8px; line-height: 1.4; }
.video-meta { display: flex; gap: 14px; font-size: 12px; color: rgba(255,255,255,0.5); }
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ===== 品牌介绍 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-hover); }
.about-img-wrap img { width: 100%; height: 380px; object-fit: cover; }
.about-badge-float {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 4px 16px rgba(244,124,32,0.4);
}
.about-content h2 { font-size: 32px; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.about-content p { font-size: 15px; color: var(--text-gray); margin-bottom: 20px; line-height: 1.9; }
.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.value-item {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 16px;
  border-left: 4px solid var(--accent);
}
.value-item h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.value-item p { font-size: 13px; color: var(--text-gray); margin: 0; }

/* ===== 服务模块 ===== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 28px; }
.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}
.service-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), #1a5fb4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 32px;
}
.service-card h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.service-card p { font-size: 14px; color: var(--text-gray); line-height: 1.8; }

/* ===== 案例模块 ===== */
.cases-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.case-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.case-card:hover .case-thumb img { transform: scale(1.05); }
.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,61,143,0.7) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.case-card:hover .case-overlay { opacity: 1; }
.case-overlay-text { color: #fff; font-size: 13px; font-weight: 600; }
.case-info { padding: 20px; }
.case-tag {
  display: inline-block;
  background: rgba(10,61,143,0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}
.case-info h3 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.case-stats { display: flex; gap: 16px; font-size: 13px; color: var(--text-light); }

/* ===== 资讯模块 ===== */
.news-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px; }
.news-main-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.news-main-card:hover { box-shadow: var(--shadow-hover); }
.news-main-img { aspect-ratio: 16/9; overflow: hidden; }
.news-main-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.news-main-card:hover .news-main-img img { transform: scale(1.04); }
.news-main-body { padding: 24px; }
.news-cat {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 12px;
  margin-bottom: 12px;
}
.news-main-body h3 { font-size: 20px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.4; }
.news-main-body p { font-size: 14px; color: var(--text-gray); line-height: 1.8; }
.news-date { font-size: 12px; color: var(--text-light); margin-top: 12px; }

.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.news-item:hover { box-shadow: var(--shadow-hover); transform: translateX(4px); }
.news-item-num {
  min-width: 32px;
  height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.news-item-body h4 { font-size: 14px; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; line-height: 1.4; }
.news-item-body span { font-size: 12px; color: var(--text-light); }

/* ===== 用户评价 ===== */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.review-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.review-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.review-quote {
  font-size: 48px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
  font-family: Georgia, serif;
}
.review-text { font-size: 14px; color: var(--text-gray); line-height: 1.8; margin-bottom: 20px; }
.review-stars { color: #f5a623; font-size: 16px; margin-bottom: 14px; }
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.review-name { font-weight: 700; font-size: 14px; color: var(--text-dark); }
.review-role { font-size: 12px; color: var(--text-light); }

/* ===== FAQ ===== */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--border);
}
.faq-question {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  user-select: none;
}
.faq-question:hover { background: var(--bg-light); color: var(--primary); }
.faq-question.active { background: var(--primary); color: #fff; }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(10,61,143,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-question.active .faq-icon { background: rgba(255,255,255,0.2); color: #fff; transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 20px 24px;
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.9;
  border-top: 1px solid var(--border);
  background: #fafbff;
}
.faq-answer.open { display: block; }

/* ===== 合作伙伴 ===== */
.partners-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin-bottom: 50px;
}
.partner-logo {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 28px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-gray);
  transition: var(--transition);
  min-width: 140px;
  text-align: center;
}
.partner-logo:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow); }

.coop-process {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 40px;
}
.process-step {
  text-align: center;
  padding: 20px 24px;
}
.process-num {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  margin: 0 auto 10px;
}
.process-step h4 { font-size: 14px; font-weight: 700; color: var(--text-dark); }
.process-arrow { font-size: 24px; color: var(--accent); font-weight: 700; padding: 0 8px; }

/* ===== 联系模块 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-info h2 { font-size: 28px; font-weight: 800; color: var(--primary); margin-bottom: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-item h4 { font-size: 13px; color: var(--text-light); margin-bottom: 2px; }
.contact-item p { font-size: 15px; font-weight: 600; color: var(--text-dark); }
.map-placeholder {
  background: linear-gradient(135deg, #e8edf5, #d0daea);
  border-radius: var(--radius-lg);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 16px;
  border: 2px dashed var(--border);
}

/* ===== 下载区 ===== */
.download-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #1a5fb4 100%);
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.download-section h2 { font-size: 36px; font-weight: 900; margin-bottom: 14px; }
.download-section p { font-size: 17px; opacity: 0.85; margin-bottom: 36px; }
.download-btns { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--primary);
  padding: 14px 28px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.dl-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.dl-btn .dl-icon { font-size: 28px; }

/* ===== 页脚 ===== */
.site-footer {
  background: #0d1b2e;
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text { color: #fff; font-size: 20px; }
.footer-brand p { font-size: 13px; line-height: 1.8; margin-top: 14px; opacity: 0.7; }
.footer-qrcodes { display: flex; gap: 16px; margin-top: 20px; }
.qrcode-item { text-align: center; }
.qrcode-box {
  width: 80px;
  height: 80px;
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--text-gray);
  text-align: center;
  padding: 4px;
}
.qrcode-label { font-size: 11px; margin-top: 6px; opacity: 0.6; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; opacity: 0.7; transition: var(--transition); }
.footer-col ul li a:hover { opacity: 1; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  opacity: 0.6;
}
.footer-social { display: flex; gap: 12px; }
.social-btn {
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  cursor: pointer;
}
.social-btn:hover { background: var(--accent); }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-light);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.breadcrumb-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; font-size: 13px; color: var(--text-light); }
.breadcrumb-inner a { color: var(--primary); }
.breadcrumb-inner span { margin: 0 8px; }

/* ===== 页面内横幅 ===== */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 60px 0;
  text-align: center;
  color: #fff;
}
.page-hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 10px; }
.page-hero p { font-size: 16px; opacity: 0.85; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: #fff; box-shadow: 0 8px 24px rgba(0,0,0,0.1); padding: 16px; z-index: 999; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; border-radius: 8px; }
  .nav-toggle { display: flex; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .hero { min-height: 460px; }
  .hero h1 { font-size: 26px; }
  .hero-stats { gap: 24px; }
  .hero-stat-num { font-size: 28px; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .coop-process { flex-direction: column; }
  .process-arrow { transform: rotate(90deg); }
  .about-values { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .video-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { justify-content: center; }
  .search-tags { display: none; }
}

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

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