/* ========== 全局共用 ========== */
.brand-text {
  font-size: 14px;
  font-weight: 700;
  color: #000;
  text-decoration: none;
  max-width: 280px;
  line-height: 1.3;
}
.brand-text:hover {
  color: #333;
}
.top-bar {
  background: #e65100;
  color: #fff;
  padding: 10px 0;
  font-size: 13px;
}
.top-bar a {
  color: #fff;
  text-decoration: none;
}
.top-bar a:hover {
  color: #ffcc80;
}
.top-bar .top-bar-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px 30px;
}
.top-bar .top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
@media (max-width: 768px) {
  .top-bar {
    font-size: 12px;
    padding: 8px 10px;
  }
  .top-bar .top-bar-inner {
    flex-direction: column;
    gap: 5px;
  }
}

/* ========== 首页 - 科技蓝 ========== */
.tech-blue-theme {
  --primary-color: #1a73e8;
  --secondary-color: #0d47a1;
  --accent-color: #4fc3f7;
}
.hero-section {
  background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 50%, #4fc3f7 100%);
  padding: 120px 0;
  color: #fff;
}
.service-card {
  background: #fff;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s;
  height: 100%;
}
.service-card:hover {
  transform: translateY(-5px);
}
.service-icon {
  font-size: 48px;
  color: #1a73e8;
  margin-bottom: 20px;
}
.stats-section {
  background: linear-gradient(135deg, #0d47a1, #1a73e8);
  color: #fff;
  padding: 80px 0;
}
.stat-item {
  text-align: center;
  padding: 20px;
}
.stat-number {
  font-size: 48px;
  font-weight: 700;
  color: #4fc3f7;
}
.contact-section {
  background: #f5f5f5;
  padding: 60px 0;
}

/* ========== 代妈 - 深蓝 ========== */
.deep-blue-theme {
  --primary-color: #0d47a1;
  --secondary-color: #1565c0;
  --accent-color: #1e88e5;
  --light-color: #e3f2fd;
}
.hero-deep-blue {
  background: linear-gradient(135deg, #0d47a1 0%, #1565c0 50%, #1e88e5 100%);
  padding: 100px 0;
  color: #fff;
}
.service-detail-card {
  background: #fff;
  border-left: 4px solid #0d47a1;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 2px 15px rgba(13,71,161,0.1);
}
.service-detail-card h4 {
  color: #0d47a1;
  margin-bottom: 15px;
}
.tech-spec {
  background: #e3f2fd;
  padding: 15px 20px;
  border-radius: 4px;
  margin-top: 15px;
}
.tech-spec ul {
  margin: 0;
  padding-left: 20px;
}
.cta-section {
  background: linear-gradient(135deg, #0d47a1, #1e88e5);
  color: #fff;
  padding: 60px 0;
}

/* ========== 代怀 - 绿色 ========== */
.green-theme {
  --primary-color: #2e7d32;
  --secondary-color: #388e3c;
  --accent-color: #4caf50;
  --light-color: #e8f5e9;
}
.hero-green {
  background: linear-gradient(135deg, #1b5e20 0%, #2e7d32 50%, #4caf50 100%);
  padding: 100px 0;
  color: #fff;
}
.product-card {
  background: #fff;
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 15px rgba(46,125,50,0.1);
  transition: transform 0.3s;
  height: 100%;
  border-top: 3px solid #2e7d32;
}
.product-card:hover {
  transform: translateY(-5px);
}
.product-icon {
  font-size: 40px;
  color: #2e7d32;
  margin-bottom: 15px;
}
.spec-table {
  width: 100%;
  margin-top: 15px;
  border-collapse: collapse;
}
.spec-table th, .spec-table td {
  padding: 8px 12px;
  border: 1px solid #e8f5e9;
  text-align: left;
}
.spec-table th {
  background: #e8f5e9;
  color: #2e7d32;
}
.partner-section {
  background: #e8f5e9;
  padding: 60px 0;
}
.cta-green {
  background: linear-gradient(135deg, #2e7d32, #4caf50);
  color: #fff;
  padding: 60px 0;
}

/* ========== 代生 - 紫色 ========== */
.purple-theme {
  --primary-color: #6a1b9a;
  --secondary-color: #7b1fa2;
  --accent-color: #9c27b0;
  --light-color: #f3e5f5;
}
.hero-purple {
  background: linear-gradient(135deg, #4a148c 0%, #6a1b9a 50%, #9c27b0 100%);
  padding: 100px 0;
  color: #fff;
}
.dev-card {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(106,27,154,0.1);
  transition: all 0.3s;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.dev-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #6a1b9a, #9c27b0);
}
.dev-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(106,27,154,0.2);
}
.dev-icon {
  font-size: 48px;
  color: #6a1b9a;
  margin-bottom: 20px;
}
.tech-stack {
  background: #f3e5f5;
  padding: 15px 20px;
  border-radius: 8px;
  margin-top: 15px;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 15px 0 0 0;
}
.feature-list li {
  padding: 8px 0;
  border-bottom: 1px solid #f3e5f5;
}
.feature-list li:last-child {
  border-bottom: none;
}
.feature-list li::before {
  content: '\2713';
  color: #6a1b9a;
  font-weight: bold;
  margin-right: 10px;
}
.lowcode-section {
  background: linear-gradient(135deg, #6a1b9a, #9c27b0);
  color: #fff;
  padding: 80px 0;
}
.cta-purple {
  background: linear-gradient(135deg, #6a1b9a, #9c27b0);
  color: #fff;
  padding: 60px 0;
}

/* ========== 代母 - 橙色 ========== */
.orange-theme {
  --primary-color: #e65100;
  --secondary-color: #ef6c00;
  --accent-color: #f57c00;
  --light-color: #fff3e0;
}
.hero-orange {
  background: linear-gradient(135deg, #bf360c 0%, #e65100 50%, #f57c00 100%);
  padding: 100px 0;
  color: #fff;
}
.integration-card {
  background: #fff;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(230,81,0,0.1);
  transition: all 0.3s;
  height: 100%;
}
.integration-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(230,81,0,0.2);
}
.integration-icon {
  font-size: 48px;
  color: #e65100;
  margin-bottom: 20px;
}
.project-badge {
  display: inline-block;
  background: #fff3e0;
  color: #e65100;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  margin: 4px;
}
.qualify-section {
  background: #fff3e0;
  padding: 60px 0;
}
.case-card {
  background: #fff;
  border-left: 4px solid #e65100;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(230,81,0,0.08);
}
.cta-orange {
  background: linear-gradient(135deg, #e65100, #f57c00);
  color: #fff;
  padding: 60px 0;
}

/* ========== 助孕 - 青色 ========== */
.cyan-theme {
  --primary-color: #006064;
  --secondary-color: #00838f;
  --accent-color: #00acc1;
  --light-color: #e0f7fa;
}
.hero-cyan {
  background: linear-gradient(135deg, #004d40 0%, #006064 50%, #00acc1 100%);
  padding: 100px 0;
  color: #fff;
}
.iot-card {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0,96,100,0.1);
  transition: all 0.3s;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.iot-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #006064, #00acc1);
}
.iot-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,96,100,0.2);
}
.iot-icon {
  font-size: 48px;
  color: #006064;
  margin-bottom: 20px;
}
.data-highlight {
  background: linear-gradient(135deg, #006064, #00acc1);
  color: #fff;
  padding: 60px 0;
}
.data-item {
  text-align: center;
  padding: 20px;
}
.data-number {
  font-size: 48px;
  font-weight: 700;
  color: #80deea;
}
.service-detail {
  background: #e0f7fa;
  padding: 20px;
  border-radius: 8px;
  margin-top: 15px;
}
.service-detail ul {
  margin: 0;
  padding-left: 20px;
}
.cta-cyan {
  background: linear-gradient(135deg, #006064, #00acc1);
  color: #fff;
  padding: 60px 0;
}
.platform-section {
  background: #fff;
  padding: 80px 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.feature-item {
  background: #e0f7fa;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}
.feature-item h5 {
  color: #006064;
  margin-bottom: 10px;
}