/* ===================================================
   糖心vlog 官方网站 - 全站样式
   域名：https://www.zuqzisg.cn
   =================================================== */

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #e8294a;
  --primary-dark: #c01f38;
  --primary-light: #fff0f3;
  --secondary: #ff6b35;
  --accent: #ffd700;
  --text-dark: #1a1a2e;
  --text-mid: #4a4a6a;
  --text-light: #8888aa;
  --bg: #f9f9fc;
  --bg-white: #ffffff;
  --border: #e8e8f0;
  --shadow: 0 4px 24px rgba(232,41,74,0.10);
  --shadow-lg: 0 12px 48px rgba(232,41,74,0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---------- Reset ---------- */
*, *::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", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  color: var(--text-dark);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 6px 20px rgba(232,41,74,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(232,41,74,0.45);
}
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

/* ---------- 通用 Section ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-white); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}
.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-title span { color: var(--primary); }
.section-desc {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}
.text-center { text-align: center; }

/* ---------- 顶部导航 ---------- */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 800;
}
.logo em { font-style: normal; color: var(--primary); }
.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.main-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-mid);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}
.header-cta {
  flex-shrink: 0;
}
.header-cta .btn {
  padding: 9px 20px;
  font-size: 13px;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* 搜索栏 */
.search-bar-row {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 10px 0;
}
.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: 8px 16px;
  max-width: 560px;
  margin: 0 auto;
  transition: var(--transition);
}
.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,41,74,0.10);
}
.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--text-dark);
  background: transparent;
}
.search-input::placeholder { color: var(--text-light); }
.search-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}
.search-btn:hover { background: var(--primary-dark); }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb a { color: var(--text-mid); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--primary); font-weight: 600; }

/* ---------- Banner 首屏 ---------- */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a0a10 0%, #2d0f1e 40%, #1a1a2e 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,41,74,0.55) 0%, rgba(26,26,46,0.85) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  color: #fff;
  padding: 80px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
  backdrop-filter: blur(8px);
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}
.hero h1 {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero h1 .highlight {
  background: linear-gradient(90deg, #ffd700, #ff6b35);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  line-height: 1.8;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-stat-item { text-align: center; }
.hero-stat-num {
  font-size: 26px;
  font-weight: 900;
  color: #ffd700;
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-label { font-size: 12px; color: rgba(255,255,255,0.7); }

/* ---------- 统计数字条 ---------- */
.stats-bar {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-item { text-align: center; color: #fff; }
.stat-num { font-size: 32px; font-weight: 900; line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 13px; opacity: 0.85; }

/* ---------- 视频卡片 ---------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #1a1a2e;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.08); }
.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: 56px;
  height: 56px;
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.85);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--primary);
  margin-left: 4px;
}
.video-card:hover .play-icon { transform: scale(1); }
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
}
.video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
}
.video-info { padding: 16px; }
.video-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-light);
  flex-wrap: wrap;
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ---------- 服务卡片 ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  border: 1.5px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: var(--primary-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.service-icon {
  font-size: 40px;
  margin-bottom: 18px;
  display: block;
}
.service-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.service-desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
}

/* ---------- 案例卡片 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.case-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: var(--transition);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.case-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.case-card:hover .case-img img { transform: scale(1.05); }
.case-industry {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.case-body { padding: 22px; }
.case-title { font-size: 16px; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; }
.case-result { font-size: 14px; color: var(--text-mid); line-height: 1.7; margin-bottom: 16px; }
.case-data { display: flex; gap: 16px; }
.case-data-item { text-align: center; }
.case-data-num { font-size: 18px; font-weight: 800; color: var(--primary); }
.case-data-label { font-size: 12px; color: var(--text-light); }

/* ---------- 资讯卡片 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.news-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  transition: var(--transition);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-img { aspect-ratio: 16/9; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-card:hover .news-img img { transform: scale(1.05); }
.news-body { padding: 20px; }
.news-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
}
.news-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-date { 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: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  border: 1.5px solid var(--border);
  transition: var(--transition);
  position: relative;
}
.review-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow); }
.review-quote {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 48px;
  color: var(--primary-light);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-stars { color: #ffd700; font-size: 16px; margin-bottom: 12px; }
.review-text {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 18px;
}
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 700; color: var(--text-dark); }
.review-role { font-size: 12px; color: var(--text-light); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  user-select: none;
  gap: 12px;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 22px;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 22px 18px; }

/* ---------- 合作伙伴 ---------- */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}
.partner-item {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-mid);
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.partner-item:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* ---------- 流程步骤 ---------- */
.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 18px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-label { font-size: 13px; font-weight: 600; color: var(--text-mid); }
.step-arrow { font-size: 20px; color: var(--primary); margin-top: -20px; }

/* ---------- 联系模块 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-label { font-size: 12px; color: var(--text-light); margin-bottom: 4px; }
.contact-value { font-size: 15px; font-weight: 600; color: var(--text-dark); }
.map-placeholder {
  background: linear-gradient(135deg, #f0f0f8, #e8e8f5);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 14px;
  border: 2px dashed var(--border);
  text-align: center;
  padding: 20px;
}

/* ---------- 关于页布局 ---------- */
.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; }
.about-img-wrap img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: var(--primary);
  color: #fff;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
}
.about-desc { font-size: 15px; color: var(--text-mid); line-height: 1.9; margin-bottom: 16px; }
.about-values { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.value-item { display: flex; align-items: flex-start; gap: 14px; }
.value-icon { font-size: 24px; flex-shrink: 0; }
.value-title { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.value-desc { font-size: 13px; color: var(--text-mid); }

/* ---------- 内页 Hero ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 60px 0;
  text-align: center;
  color: #fff;
}
.page-hero h1 { font-size: clamp(24px, 4vw, 40px); font-weight: 900; margin-bottom: 12px; }
.page-hero p { font-size: 16px; opacity: 0.9; }

/* ---------- 页脚 ---------- */
#site-footer {
  background: #12121e;
  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 { margin-bottom: 14px; }
.footer-desc { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.55); }
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-social { display: flex; gap: 10px; }
.social-link {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.social-link:hover { background: var(--primary); color: #fff; }

/* ---------- 资讯侧边栏 ---------- */
.news-tag { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 50px; margin-bottom: 8px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .main-nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #fff; padding: 16px; border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(0,0,0,0.1); z-index: 999; }
  .main-nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .header-cta { display: none; }
  .hero-content { padding: 60px 0; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { gap: 8px; }
  .step-arrow { display: none; }
  .case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
}