body{
  background: #f8f8f8;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-weight: 300;
}
ul, li {
  list-style: none;
}
.clearfix:after{
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.help .help_nav ul{
  margin: 0 auto;
  float:none;
  width: 680px;
}
.help_nav li {
  display: block;
  float: left;
  text-align: center;
}
.help_nav li a{
  text-decoration: none;
  color: #000;
}
.help_nav li a:hover{
  color: #259ad6;
}
.help_nav_active{
  color: #259ad6 !important;
}
.help .row h1{
  font-size: 22px;
  font-weight: 600;
  color: #000000 !important;
}
#computer_con,#aftermarket_con,#install_con,#mobile_con{
  background: transparent;
}
.help .row h2{
  font-size: 18px;
  font-weight: 600;
  margin-bottom:20px ;
  color: #000000 !important;
}
.help .row p{
  font-size: 14px;
}
.help-content{
  padding-bottom:50px;
}
.container .row .help-content .standard {
  float: left;
  width: 44%;
  margin: 0 2% 20px;
}
.container .row .help-content .standard p{
  margin-top: 10px;
}
.computer_img{
  width: 100%;
  background-repeat: no-repeat;
}
.mobile_img{
  width: 100%;
}
.appbox{
  width: 100%;
}
.appbox .appleft,.appbox .appright{
  float: left;
  width: 46%;
  margin: 0 2%;
}
#mobile_con p{
  text-align: center;
}

/* ============================================
   install.html 高端样式
   ============================================ */

/* 区块标题样式 */
.install-section {
  margin-bottom: 80px;
}

.install-section-title {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
  padding: 0 0 20px 0;
  margin: 0 0 35px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

/* Apple 风格 Hero 区域 */
.install-hero {
  text-align: center;
  padding-top: 80px;
  padding-bottom: 30px;
}

.install-hero-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #f26110;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.install-hero-title {
  font-size: 56px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 8px 0;
  line-height: 1.1;
  letter-spacing: -1px;
}

.install-hero-subtitle {
  font-size: 21px;
  font-weight: 400;
  color: #86868b;
  margin: 0;
  line-height: 1.4;
}

.install-section-title i {
  color: #259ad6;
  font-size: 28px;
}

/* 接线方式卡片 */
.install-cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.install-card {
  flex: 1;
  min-width: 280px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 16px;
  padding: 30px 25px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(37, 154, 214, 0.08);
}

.install-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.install-card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.install-card-icon i {
  font-size: 26px;
  color: #fff;
}

.install-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
  text-align: center;
}

.install-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 15px;
  text-align: center;
}

.install-card-img img {
  width: 100%;
  border-radius: 10px;
}

/* 注意事项卡片 */
.install-warn-cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.install-warn-card {
  flex: 1;
  min-width: 250px;
  background: #fff;
  border-radius: 12px;
  padding: 25px 20px;
  border-left: 4px solid #efefef;
  transition: all 0.3s ease;
  box-shadow: 0 2px 15px rgba(37, 154, 214, 0.08);
}

.install-warn-card:hover {
  transform: translateX(5px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.install-warn-card .warn-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.install-warn-card .warn-icon i {
  font-size: 20px;
  color: #fff;
}

.install-warn-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #259ad6;
  margin-bottom: 10px;
}

.install-warn-card p {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 8px;
}

.install-warn-card p strong {
  color: #259ad6;
}

/* 状态灯说明 */
.status-lights {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.status-light-item {
  flex: 1;
  min-width: 300px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: #fff;
  padding: 25px;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.status-light {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.status-light span {
  width: 30px;
  height: 30px;
  border-radius: 50%;
}

.red-light {
  background: linear-gradient(135deg, #ffebee, #ffcdd2);
  box-shadow: 0 0 20px rgba(244, 67, 54, 0.3);
}

.red-light span {
  background: linear-gradient(135deg, #f44336, #d32f2f);
}

.green-light {
  background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
  box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
}

.green-light span {
  background: linear-gradient(135deg, #4caf50, #388e3c);
}

.blue-light {
  background: linear-gradient(135deg, #e3f2fd, #bbdefb);
  box-shadow: 0 0 20px rgba(33, 150, 243, 0.3);
}

.blue-light span {
  background: linear-gradient(135deg, #2196f3, #1976d2);
}

.status-light-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.status-detail {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #666;
}

.status-row .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-row.blink .dot {
  animation: blink 1s infinite;
}

/* 各颜色闪烁独立 */
.blink-red .dot { background: #f44336; }
.blink-green .dot { background: #4caf50; }
.blink-blue .dot { background: #2196f3; }

/* 各颜色常亮独立 */
.solid-red .dot { background: #f44336; }
.solid-green .dot { background: #4caf50; }
.solid-blue .dot { background: #2196f3; }

/* 各颜色熄灭独立 */
.off-red .dot { background: #f44336; }
.off-green .dot { background: #4caf50; }
.off-blue .dot { background: #2196f3; }

.status-row.off .dot {
  background: #999;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* 规范说明卡片 */
.spec-cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.spec-card {
  flex: 1;
  min-width: 280px;
  background: #fff;
  border-radius: 16px;
  padding: 30px 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.spec-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.spec-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.spec-icon i {
  font-size: 22px;
  color: #fff;
}

.spec-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: #259ad6;
  margin-bottom: 15px;
}

.spec-card ul {
  padding-left: 0;
}

.spec-card ul li {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  padding-left: 20px;
  position: relative;
}

.spec-card ul li::before {
  content: '•';
  color: #259ad6;
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* 接线步骤卡片 */
.wire-steps {
  margin-top: 30px;
}

.wire-steps h2 {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wire-steps h2 i {
  color: #259ad6;
}

.wire-step-cards {
  display: flex;
  gap: 20px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 10px;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  box-sizing: border-box;
}

.wire-step-card {
  flex: 1;
  min-width: 200px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.wire-step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.wire-step-card .step-num {
  position: absolute;
  top: 0px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 154, 214, 0.4);
  border: 3px solid #fff;
}

.wire-step-card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.wire-step-card p {
  font-size: 13px;
  color: #666;
  line-height: 1.5;
}

/* FAQ卡片 */
.faq-cards {
  display: flex;
  flex-direction: column;
  gap: 25px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.faq-card {
  display: flex;
  gap: 25px;
  background: #fff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(37, 154, 214, 0.08);
  transition: all 0.3s ease;
}

.faq-card:hover {
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.faq-num {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-content {
  flex: 1;
}

.faq-content h4 {
  font-size: 17px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.faq-content p {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 10px;
}

.faq-content strong {
  color: #259ad6;
}

.faq-img {
  margin-top: 20px;
  text-align: center;
}

.faq-img img {
  max-width: 70%;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* 响应式适配 */
@media (max-width: 768px) {
  .install-section-title {
    font-size: 22px;
  }
  
  .install-cards,
  .install-warn-cards,
  .spec-cards {
    flex-direction: column;
  }
  
  .status-lights {
    flex-direction: column;
  }
  
  .faq-card {
    flex-direction: column;
    text-align: center;
  }
  
  .faq-num {
    margin: 0 auto;
  }
  
  .wire-step-cards {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .wire-step-card {
    min-width: 160px;
  }
}

/* ============================================
   aftermarket.html 售后服务页面样式
   ============================================ */

/* 服务保障卡片 */
.service-cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto 60px;
  padding: 0 20px;
  box-sizing: border-box;
}

.service-card {
  flex: 1;
  min-width: 220px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 16px;
  padding: 30px 20px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(37, 154, 214, 0.08);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.service-card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.service-card-icon i {
  font-size: 26px;
  color: #fff;
}

.service-card h4,
#aftermarket_con .service-card h4,
#aftermarket_con .service-cards h4 {
  font-size: 18px;
  font-weight: 700;
  color: #259ad6 !important;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 质保卡片 */
.warranty-cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.warranty-card {
  flex: 1;
  min-width: 280px;
  background: #fff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.warranty-free {
  border-left: 4px solid #4caf50;
}

.warranty-paid {
  border-left: 4px solid #ff9800;
}

.warranty-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.warranty-card h4 i {
  color: #259ad6;
}

.warranty-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 15px;
}

.warranty-note {
  font-size: 13px;
  color: #f26110;
  background: #fff3e0;
  padding: 10px 15px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 免责/例外卡片 */
.exception-cards,
.disclaimer-cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto 50px;
  padding: 0 20px;
  box-sizing: border-box;
}

.exception-card {
  flex: 1;
  min-width: 280px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(37, 154, 214, 0.08);
  display: flex;
  gap: 15px;
  align-items: flex-start;
  transition: all 0.3s ease;
}

.exception-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.exception-num {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

.exception-content h4 {
  font-size: 16px;
  font-weight: 700;
  color: #259ad6;
  margin-bottom: 8px;
}

.exception-content p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.disclaimer-card {
  flex: 1;
  min-width: 220px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(37, 154, 214, 0.08);
  transition: all 0.3s ease;
}

.disclaimer-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.disclaimer-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #259ad6;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.disclaimer-card h4 i {
  color: #259ad6;
}

.disclaimer-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.exception-content h4 {
  font-size: 16px;
  font-weight: 700;
  color: #259ad6;
  margin-bottom: 8px;
}

/* 保养维护卡片 */
.maintenance-cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.maintenance-card {
  flex: 1;
  min-width: 280px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(37, 154, 214, 0.08);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all 0.3s ease;
}

.maintenance-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.15);
}

.maintenance-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.maintenance-icon i {
  font-size: 22px;
  color: #fff;
}

.maintenance-content h4 {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 10px;
}

.maintenance-content p {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
}

/* 响应式 */
@media (max-width: 768px) {
  .service-cards,
  .warranty-cards,
  .exception-cards,
  .disclaimer-cards,
  .maintenance-cards {
    flex-direction: column;
  }

  .service-card,
  .warranty-card,
  .exception-card,
  .disclaimer-card,
  .maintenance-card {
    min-width: auto;
  }
}