/* ==================== 全局基础样式 ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif; overflow-x: hidden; }

/* ==================== 导航栏通用样式 ==================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 15px 0;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}
.site-nav.scrolled { padding: 10px 0; box-shadow: 0 2px 20px rgba(0,0,0,0.1); }
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  white-space: nowrap;
}
.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.nav-menu {
  list-style: none;
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.nav-menu a {
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  padding: 8px 14px;
  border-radius: 20px;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.nav-menu a:hover, .nav-menu a.active { background: rgba(255,255,255,0.2); }

/* 汉堡菜单按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }

/* 各页面导航颜色 */
.home-page .site-nav { background: rgba(26, 115, 232, 0.95); }
.daima-page .site-nav { background: rgba(52, 168, 83, 0.95); }
.daihuai-page .site-nav { background: rgba(156, 39, 176, 0.95); }
.daisheng-page .site-nav { background: rgba(230, 81, 0, 0.95); }
.daimu-page .site-nav { background: rgba(13, 71, 161, 0.95); }
.zhuyun-page .site-nav { background: rgba(198, 40, 40, 0.95); }

/* ==================== 通用组件样式 ==================== */
.section-title {
  font-size: 42px;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  margin: 20px auto 0;
  border-radius: 2px;
}
.container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }

/* 页脚通用样式 */
.site-footer {
  padding: 80px 0 40px;
  color: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.footer-col h4 {
  font-size: 20px;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 15px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: rgba(255,255,255,0.5);
  border-radius: 2px;
}
.footer-col p, .footer-col a {
  color: rgba(255,255,255,0.8);
  line-height: 2;
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-col a:hover { color: #fff; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-bottom {
  text-align: center;
  padding-top: 40px;
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
}

/* 页脚颜色 */
.home-page .site-footer { background: linear-gradient(135deg, #0d47a1, #1a73e8); }
.daima-page .site-footer { background: linear-gradient(135deg, #1b5e20, #34a853); }
.daihuai-page .site-footer { background: linear-gradient(135deg, #4a148c, #9c27b0); }
.daisheng-page .site-footer { background: linear-gradient(135deg, #bf360c, #e65100); }
.daimu-page .site-footer { background: linear-gradient(135deg, #0d47a1, #1565c0); }
.zhuyun-page .site-footer { background: linear-gradient(135deg, #b71c1c, #c62828); }

/* 动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== 首页样式 ==================== */
.hero-section {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 50%, #4285f4 100%);
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: moveGrid 20s linear infinite;
}
@keyframes moveGrid {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}
.hero-content {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 0 20px;
}
.hero-content h1 {
  font-size: 64px;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease;
}
.hero-content h2 {
  font-size: 32px;
  font-weight: normal;
  margin-bottom: 30px;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}
.hero-content p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
  opacity: 0.85;
  animation: fadeInUp 1s ease 0.4s both;
}
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}
.scroll-indicator span {
  display: block;
  width: 30px;
  height: 50px;
  border: 2px solid #fff;
  border-radius: 15px;
  position: relative;
}
.scroll-indicator span::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  animation: scrollDot 2s infinite;
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}
@keyframes scrollDot {
  0% { top: 8px; opacity: 1; }
  100% { top: 30px; opacity: 0; }
}

.about-section {
  padding: 120px 0;
  background: #fff;
  position: relative;
}
.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, #0d47a1, #1a73e8, #4285f4, #1a73e8, #0d47a1);
}
.home-page .section-title { color: #1a73e8; }
.home-page .section-title::after { background: linear-gradient(90deg, #0d47a1, #4285f4); }
.about-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

.services-section {
  padding: 120px 0;
  background: linear-gradient(180deg, #f8fafc 0%, #e8f0fe 100%);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.service-card-flip { perspective: 1000px; height: 350px; }
.service-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}
.service-card-flip:hover .service-card-inner { transform: rotateY(180deg); }
.service-card-front, .service-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 20px;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.service-card-front {
  background: #fff;
  box-shadow: 0 10px 40px rgba(26,115,232,0.15);
}
.service-card-back {
  background: linear-gradient(135deg, #1a73e8, #4285f4);
  color: #fff;
  transform: rotateY(180deg);
}
.service-icon-large {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #1a73e8, #4285f4);
  border-radius: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  font-size: 48px;
  color: #fff;
  box-shadow: 0 8px 25px rgba(26,115,232,0.3);
}
.service-card-back .service-icon-large { background: rgba(255,255,255,0.2); }
.service-card-front h3 { font-size: 24px; color: #1a73e8; margin-bottom: 15px; }
.service-card-front p, .service-card-back p { font-size: 15px; line-height: 1.8; color: #666; }
.service-card-back p { color: rgba(255,255,255,0.9); }

.advantages-section {
  padding: 120px 0;
  background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 100%);
  position: relative;
  overflow: hidden;
}
.advantages-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  top: -300px;
  right: -200px;
}
.advantages-section::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
  bottom: -200px;
  left: -100px;
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}
.advantage-item {
  text-align: center;
  padding: 50px 30px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.4s ease;
}
.advantage-item:hover { background: rgba(255,255,255,0.2); transform: translateY(-10px); }
.advantage-number {
  font-size: 72px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 15px;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.2);
}
.advantage-label { font-size: 18px; color: rgba(255,255,255,0.9); }

.team-section { padding: 120px 0; background: #fff; }
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}
.team-item {
  text-align: center;
  padding: 40px 30px;
  border-radius: 20px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  transition: all 0.4s ease;
}
.team-item:hover { transform: translateY(-10px); box-shadow: 0 15px 40px rgba(26,115,232,0.15); }
.team-icon {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, #1a73e8, #4285f4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  font-size: 48px;
  color: #fff;
  box-shadow: 0 10px 30px rgba(26,115,232,0.3);
}
.team-item h3 { font-size: 24px; color: #1a73e8; margin-bottom: 15px; }
.team-item p { font-size: 15px; color: #666; line-height: 1.8; }

.conclusion-section {
  padding: 120px 0;
  background: linear-gradient(180deg, #e8f0fe 0%, #f8fafc 100%);
  position: relative;
}
.conclusion-container { max-width: 900px; margin: 0 auto; padding: 0 20px; }
.conclusion-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

/* ==================== 大庆代妈页面样式 ==================== */
.daima-hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1b5e20 0%, #34a853 50%, #4caf50 100%);
  position: relative;
  overflow: hidden;
}
.daima-hero::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.daima-hero-content {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 0 20px;
}
.daima-hero-content h1 {
  font-size: 64px;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease;
}
.daima-hero-content h2 {
  font-size: 32px;
  font-weight: normal;
  margin-bottom: 30px;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}
.daima-hero-content p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
  opacity: 0.85;
  animation: fadeInUp 1s ease 0.4s both;
}

.daima-about { padding: 120px 0; background: #fff; }
.daima-container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.daima-title {
  font-size: 42px;
  color: #34a853;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}
.daima-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #1b5e20, #4caf50);
  margin: 20px auto 0;
  border-radius: 2px;
}
.daima-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

.daima-waterfall {
  padding: 120px 0;
  background: linear-gradient(180deg, #f1f8e9 0%, #e8f5e9 100%);
}
.waterfall-grid {
  columns: 3;
  column-gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.waterfall-card {
  break-inside: avoid;
  background: #fff;
  border-radius: 20px;
  padding: 40px 30px;
  margin-bottom: 30px;
  box-shadow: 0 8px 30px rgba(52,168,83,0.12);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(52,168,83,0.1);
  position: relative;
  overflow: hidden;
}
.waterfall-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #34a853, #4caf50);
}
.waterfall-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(52,168,83,0.2);
}
.waterfall-icon {
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, #34a853, #4caf50);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  font-size: 40px;
  color: #fff;
  box-shadow: 0 8px 20px rgba(52,168,83,0.3);
  transition: all 0.3s ease;
}
.waterfall-card:hover .waterfall-icon { transform: rotate(5deg) scale(1.05); }
.waterfall-card h3 {
  font-size: 24px;
  color: #34a853;
  text-align: center;
  margin-bottom: 15px;
}
.waterfall-card p {
  font-size: 15px;
  color: #666;
  line-height: 1.8;
  text-align: center;
}

.daima-advantages {
  padding: 120px 0;
  background: linear-gradient(135deg, #1b5e20 0%, #34a853 100%);
  position: relative;
  overflow: hidden;
}
.daima-advantages::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.advantage-card {
  text-align: center;
  padding: 50px 30px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.4s ease;
}
.advantage-card:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-10px);
}
.advantage-card .advantage-number {
  font-size: 72px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 15px;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.2);
}
.advantage-card .advantage-label {
  font-size: 18px;
  color: rgba(255,255,255,0.9);
}

.daima-features { padding: 120px 0; background: #fff; }
.features-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.feature-list { list-style: none; padding: 0; }
.feature-list li {
  padding: 18px 0 18px 40px;
  border-bottom: 1px dashed #c8e6c9;
  position: relative;
  transition: all 0.3s ease;
}
.feature-list li:hover {
  background: rgba(52,168,83,0.05);
  padding-left: 45px;
}
.feature-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #34a853;
  font-weight: bold;
  font-size: 20px;
  width: 28px;
  height: 28px;
  background: #e8f5e9;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.target-groups {
  background: #e8f5e9;
  border-radius: 20px;
  padding: 40px;
}
.target-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 20px;
}
.target-tag {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  color: #2e7d32;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}
.target-tag:hover {
  background: #c8e6c9;
  border-color: #34a853;
  transform: translateY(-3px);
}

.daima-future {
  padding: 120px 0;
  background: linear-gradient(180deg, #e8f5e9 0%, #f1f8e9 100%);
}
.future-container { max-width: 900px; margin: 0 auto; padding: 0 20px; }
.future-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

/* ==================== 大庆代怀页面样式 ==================== */
.daihuai-hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #4a148c 0%, #9c27b0 50%, #ba68c8 100%);
  position: relative;
  overflow: hidden;
}
.daihuai-hero::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}
.daihuai-hero-content {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 0 20px;
}
.daihuai-hero-content h1 {
  font-size: 64px;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease;
}
.daihuai-hero-content h2 {
  font-size: 32px;
  font-weight: normal;
  margin-bottom: 30px;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}
.daihuai-hero-content p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
  opacity: 0.85;
  animation: fadeInUp 1s ease 0.4s both;
}

.daihuai-about { padding: 120px 0; background: #fff; }
.daihuai-container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.daihuai-title {
  font-size: 42px;
  color: #9c27b0;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}
.daihuai-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #4a148c, #ba68c8);
  margin: 20px auto 0;
  border-radius: 2px;
}
.daihuai-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

.daihuai-carousel {
  padding: 120px 0;
  background: linear-gradient(180deg, #f3e5f5 0%, #e1bee7 100%);
}
.carousel-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 80px;
  position: relative;
}
.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}
.carousel-card {
  min-width: 100%;
  padding: 0 50px;
}
.carousel-inner {
  background: #fff;
  border-radius: 20px;
  padding: 60px 50px;
  box-shadow: 0 10px 40px rgba(156,39,176,0.15);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.carousel-icon {
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, #9c27b0, #ba68c8);
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  color: #fff;
  margin: 0 auto;
  box-shadow: 0 10px 30px rgba(156,39,176,0.3);
}
.carousel-content h3 {
  font-size: 28px;
  color: #9c27b0;
  margin-bottom: 20px;
}
.carousel-content p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
}
.carousel-nav {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 40px;
}
.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(156,39,176,0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}
.carousel-dot.active {
  background: #9c27b0;
  transform: scale(1.3);
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  z-index: 10;
  border: none;
  font-size: 20px;
  color: #9c27b0;
  line-height: 1;
}
.carousel-btn::before {
  content: '';
  display: block;
  width: 12px;
  height: 12px;
  border-top: 3px solid #9c27b0;
  border-right: 3px solid #9c27b0;
  transition: all 0.3s ease;
}
.carousel-btn.prev::before {
  transform: rotate(-135deg);
  margin-left: 4px;
}
.carousel-btn.next::before {
  transform: rotate(45deg);
  margin-right: 4px;
}
.carousel-btn:hover {
  background: #9c27b0;
}
.carousel-btn:hover::before {
  border-color: #fff;
}
.carousel-btn.prev { left: -25px; }
.carousel-btn.next { right: -25px; }

.daihuai-3d { padding: 120px 0; background: #fff; }
.flip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.flip-card {
  perspective: 1000px;
  height: 300px;
}
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}
.flip-card:hover .flip-card-inner { transform: rotateY(180deg); }
.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 20px;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.flip-card-front {
  background: #fff;
  box-shadow: 0 10px 40px rgba(156,39,176,0.15);
}
.flip-card-back {
  background: linear-gradient(135deg, #9c27b0, #ba68c8);
  color: #fff;
  transform: rotateY(180deg);
}
.flip-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #9c27b0, #ba68c8);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 36px;
  color: #fff;
}
.flip-card-back .flip-icon { background: rgba(255,255,255,0.2); }
.flip-card-front h3 { font-size: 22px; color: #9c27b0; margin-bottom: 15px; }
.flip-card-front p, .flip-card-back p { font-size: 14px; line-height: 1.8; color: #666; }
.flip-card-back p { color: rgba(255,255,255,0.9); }

.daihuai-scenes {
  padding: 120px 0;
  background: linear-gradient(135deg, #4a148c 0%, #9c27b0 100%);
  position: relative;
  overflow: hidden;
}
.daihuai-scenes::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  top: -250px;
  right: -100px;
}
.scenes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}
.scene-card {
  text-align: center;
  padding: 40px 25px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.4s ease;
}
.scene-card:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-10px);
}
.scene-icon { font-size: 48px; margin-bottom: 20px; }
.scene-card h4 { font-size: 18px; color: #fff; margin-bottom: 10px; }
.scene-card p { font-size: 14px; color: rgba(255,255,255,0.8); line-height: 1.6; }

/* ==================== 大庆代生页面样式 ==================== */
.daisheng-hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #bf360c 0%, #e65100 50%, #ff9800 100%);
  position: relative;
  overflow: hidden;
}
.daisheng-hero::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 35px,
    rgba(255,255,255,0.05) 35px,
    rgba(255,255,255,0.05) 70px
  );
  animation: moveStripes 30s linear infinite;
}
@keyframes moveStripes {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-70px, -70px); }
}
.daisheng-hero-content {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 0 20px;
}
.daisheng-hero-content h1 {
  font-size: 64px;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease;
}
.daisheng-hero-content h2 {
  font-size: 32px;
  font-weight: normal;
  margin-bottom: 30px;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}
.daisheng-hero-content p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
  opacity: 0.85;
  animation: fadeInUp 1s ease 0.4s both;
}

.daisheng-about { padding: 120px 0; background: #fff; }
.daisheng-container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.daisheng-title {
  font-size: 42px;
  color: #e65100;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}
.daisheng-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #bf360c, #ff9800);
  margin: 20px auto 0;
  border-radius: 2px;
}
.daisheng-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

.daisheng-steps {
  padding: 120px 0;
  background: linear-gradient(180deg, #fff3e0 0%, #ffe0b2 100%);
}
.steps-container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.step-item {
  display: flex;
  gap: 40px;
  margin-bottom: 60px;
  align-items: flex-start;
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease;
}
.step-item.visible { opacity: 1; transform: translateX(0); }
.step-item:nth-child(even) { flex-direction: row-reverse; transform: translateX(50px); }
.step-item:nth-child(even).visible { transform: translateX(0); }
.step-number {
  min-width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #e65100, #ff9800);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #fff;
  font-weight: bold;
  box-shadow: 0 10px 30px rgba(230,81,0,0.3);
}
.step-content {
  flex: 1;
  background: #fff;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(230,81,0,0.1);
}
.step-content h3 { font-size: 24px; color: #e65100; margin-bottom: 15px; }
.step-content p { font-size: 16px; color: #666; line-height: 1.8; }

.daisheng-timeline {
  padding: 120px 0;
  background: #fff;
  position: relative;
}
.daisheng-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #e65100, #ff9800);
  transform: translateX(-50%);
}
.timeline-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; position: relative; }
.timeline-item { display: flex; margin-bottom: 60px; position: relative; }
.timeline-item:nth-child(odd) { justify-content: flex-start; padding-right: calc(50% + 40px); }
.timeline-item:nth-child(even) { justify-content: flex-end; padding-left: calc(50% + 40px); }
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 20px;
  width: 24px;
  height: 24px;
  background: #fff;
  border: 4px solid #e65100;
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.timeline-card {
  background: #fff;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 8px 30px rgba(230,81,0,0.12);
  transition: all 0.3s ease;
}
.timeline-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(230,81,0,0.2);
}
.timeline-card h4 { font-size: 20px; color: #e65100; margin-bottom: 10px; }
.timeline-card p { font-size: 14px; color: #666; line-height: 1.8; }

.daisheng-stats {
  padding: 120px 0;
  background: linear-gradient(135deg, #bf360c 0%, #e65100 100%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.stat-card {
  text-align: center;
  padding: 40px 20px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
}
.stat-number {
  font-size: 48px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 10px;
}
.stat-label { font-size: 16px; color: rgba(255,255,255,0.9); }

/* ==================== 大庆代母页面样式 ==================== */
.daimu-hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d47a1 0%, #1565c0 50%, #1976d2 100%);
  position: relative;
  overflow: hidden;
}
.daimu-hero::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.daimu-hero-content {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 0 20px;
}
.daimu-hero-content h1 {
  font-size: 64px;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease;
}
.daimu-hero-content h2 {
  font-size: 32px;
  font-weight: normal;
  margin-bottom: 30px;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}
.daimu-hero-content p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
  opacity: 0.85;
  animation: fadeInUp 1s ease 0.4s both;
}

.daimu-about { padding: 120px 0; background: #fff; }
.daimu-container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.daimu-title {
  font-size: 42px;
  color: #1565c0;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}
.daimu-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #0d47a1, #1976d2);
  margin: 20px auto 0;
  border-radius: 2px;
}
.daimu-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

.daimu-dashboard {
  padding: 120px 0;
  background: linear-gradient(180deg, #e3f2fd 0%, #bbdefb 100%);
}
.dashboard-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}
.dashboard-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 10px 40px rgba(21,101,192,0.1);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #0d47a1, #1976d2);
}
.dashboard-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 50px rgba(21,101,192,0.2);
}
.dashboard-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #1565c0, #1976d2);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #fff;
  margin-bottom: 25px;
}
.dashboard-card h3 { font-size: 22px; color: #1565c0; margin-bottom: 15px; }
.dashboard-card p { font-size: 14px; color: #666; line-height: 1.8; }

.daimu-metrics {
  padding: 120px 0;
  background: linear-gradient(135deg, #0d47a1 0%, #1565c0 100%);
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.metric-card {
  text-align: center;
  padding: 40px 20px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.3s ease;
}
.metric-card:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-5px);
}
.metric-number {
  font-size: 48px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 10px;
}
.metric-label { font-size: 16px; color: rgba(255,255,255,0.9); }

.daimu-categories { padding: 120px 0; background: #fff; }
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}
.category-item {
  display: flex;
  gap: 20px;
  padding: 30px;
  background: #f5f5f5;
  border-radius: 15px;
  transition: all 0.3s ease;
}
.category-item:hover {
  background: #e3f2fd;
  transform: translateX(5px);
}
.category-icon {
  min-width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #1565c0, #1976d2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
}
.category-content h4 { font-size: 18px; color: #1565c0; margin-bottom: 8px; }
.category-content p { font-size: 14px; color: #666; line-height: 1.6; }

/* ==================== 大庆助孕页面样式 ==================== */
.zhuyun-hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #b71c1c 0%, #c62828 50%, #d32f2f 100%);
  position: relative;
  overflow: hidden;
}
.zhuyun-hero::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 10% 90%, rgba(255,255,255,0.1) 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(255,255,255,0.08) 0%, transparent 40%);
}
.zhuyun-hero-content {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 0 20px;
}
.zhuyun-hero-content h1 {
  font-size: 64px;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease;
}
.zhuyun-hero-content h2 {
  font-size: 32px;
  font-weight: normal;
  margin-bottom: 30px;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}
.zhuyun-hero-content p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
  opacity: 0.85;
  animation: fadeInUp 1s ease 0.4s both;
}

.zhuyun-about { padding: 120px 0; background: #fff; }
.zhuyun-container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.zhuyun-title {
  font-size: 42px;
  color: #c62828;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}
.zhuyun-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #b71c1c, #d32f2f);
  margin: 20px auto 0;
  border-radius: 2px;
}
.zhuyun-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

.zhuyun-faq { padding: 120px 0; background: #fff; }
.faq-container { max-width: 900px; margin: 0 auto; padding: 0 20px; }
.faq-item {
  margin-bottom: 20px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(198,40,40,0.08);
  border: 1px solid rgba(198,40,40,0.1);
}
.faq-question {
  padding: 25px 30px;
  background: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}
.faq-question:hover { background: #ffebee; }
.faq-question h4 { font-size: 18px; color: #c62828; font-weight: normal; }
.faq-toggle {
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, #c62828, #d32f2f);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  transition: transform 0.3s ease;
}
.faq-item.active .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-content {
  padding: 0 30px 25px;
  font-size: 15px;
  color: #666;
  line-height: 1.8;
}

.zhuyun-services {
  padding: 120px 0;
  background: linear-gradient(180deg, #ffebee 0%, #ffcdd2 100%);
}
.services-list { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.service-item {
  display: flex;
  gap: 30px;
  padding: 40px;
  background: #fff;
  border-radius: 20px;
  margin-bottom: 30px;
  box-shadow: 0 8px 30px rgba(198,40,40,0.1);
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateX(-30px);
}
.service-item.visible { opacity: 1; transform: translateX(0); }
.service-item:hover { transform: translateX(10px); box-shadow: 0 15px 40px rgba(198,40,40,0.15); }
.service-item-icon {
  min-width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #c62828, #d32f2f);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: #fff;
}
.service-item-content h3 { font-size: 22px; color: #c62828; margin-bottom: 10px; }
.service-item-content p { font-size: 15px; color: #666; line-height: 1.8; }

.zhuyun-guarantee {
  padding: 120px 0;
  background: linear-gradient(135deg, #b71c1c 0%, #c62828 100%);
}
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.guarantee-card {
  text-align: center;
  padding: 50px 30px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.4s ease;
}
.guarantee-card:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-10px);
}
.guarantee-icon {
  font-size: 48px;
  margin-bottom: 20px;
}
.guarantee-card h4 {
  font-size: 20px;
  color: #fff;
  margin-bottom: 10px;
}
.guarantee-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}

.zhuyun-conclusion { padding: 120px 0; background: #fff; }
.zhuyun-conclusion-container { max-width: 900px; margin: 0 auto; padding: 0 20px; }
.zhuyun-conclusion-text {
  font-size: 16px;
  line-height: 2;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 992px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: inherit;
    flex-direction: column;
    padding: 20px;
    gap: 10px;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }
  .nav-menu.active { transform: translateY(0); }
  .nav-menu a { display: block; text-align: center; padding: 12px; }
  
  .services-grid, .advantages-grid, .team-grid, .footer-grid,
  .flip-grid, .scenes-grid, .dashboard-grid, .metrics-grid,
  .stats-grid, .guarantee-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .waterfall-grid { columns: 2; }
  .features-layout, .carousel-inner, .categories-grid { grid-template-columns: 1fr; }
  .hero-content h1, .daima-hero-content h1, .daihuai-hero-content h1,
  .daisheng-hero-content h1, .daimu-hero-content h1, .zhuyun-hero-content h1 {
    font-size: 48px;
  }
  .hero-content h2, .daima-hero-content h2, .daihuai-hero-content h2,
  .daisheng-hero-content h2, .daimu-hero-content h2, .zhuyun-hero-content h2 {
    font-size: 24px;
  }
  .step-item, .step-item:nth-child(even) { flex-direction: column; }
  .daisheng-timeline::before { left: 30px; }
  .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-left: 70px;
    padding-right: 0;
  }
  .timeline-dot { left: 30px; }
}

@media (max-width: 768px) {
  .services-grid, .advantages-grid, .team-grid, .footer-grid,
  .flip-grid, .scenes-grid, .dashboard-grid, .metrics-grid,
  .stats-grid, .guarantee-grid {
    grid-template-columns: 1fr;
  }
  .waterfall-grid { columns: 1; }
  .target-grid { grid-template-columns: 1fr; }
  
  .hero-content h1, .daima-hero-content h1, .daihuai-hero-content h1,
  .daisheng-hero-content h1, .daimu-hero-content h1, .zhuyun-hero-content h1 {
    font-size: 36px;
  }
  .hero-content h2, .daima-hero-content h2, .daihuai-hero-content h2,
  .daisheng-hero-content h2, .daimu-hero-content h2, .zhuyun-hero-content h2 {
    font-size: 20px;
  }
  .section-title, .daima-title, .daihuai-title, .daisheng-title,
  .daimu-title, .zhuyun-title {
    font-size: 32px;
  }
  .carousel-card { padding: 0 20px; }
  .carousel-inner { padding: 40px 30px; }
  .service-item { flex-direction: column; }
  .nav-logo span { display: none; }
}