/* 基础样式 */
*,
::before,
::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: ui-sans-serif, system-ui, sans-serif;
  line-height: 1.5;
  color: #333;
  background-color: #fff;
}

a {
  text-decoration: none;
  color: inherit;
  font: inherit;
}

li {
  text-decoration: none;
  list-style-type: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 头部样式 */
.header {
  background-color: #fff;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.75rem 0;
}

.header .container {
 display: flex;
    justify-content: flex-start;
    align-items: center;
}
.logo-container {
  display: flex;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.logo {
  color: #0A4B9F;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: system-ui, sans-serif;
  background: linear-gradient(90deg, #0A4B9F 0%, #4A90E2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.company-name {
  margin-left: 0.5rem;
  color: #374151;
  font-weight: 500;
  font-size: 1.1rem;
}

.nav {
  display: none;
  margin-left: 65px;
}

.nav-list {

  display: flex;
  list-style: none;
  gap: 1.5rem;
  margin: 0;
  padding: 0.5rem 0.5rem;
}

.nav-link {
   
  color: #4B5563;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: 0.5rem 0;
  transition: color 0.15s;
}

.nav-link:hover,
.nav-link:focus {
  color: #0A4B9F;
}

.nav-link.active {
  color: #0A4B9F;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #0A4B9F 0%, #4A90E2 100%);
}

.sydianhua {
  margin-left: 500px;
  font-size: 1.5rem;
}

.mobile-menu {
  background: none;
  border: none;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #0A4B9F;
  padding: 0;
}

@media (min-width: 768px) {
  .nav {
    display: block;
  }

  .mobile-menu {
    display: none;
  }
}

@media (min-width: 1024px) {
  .company-name {
    font-size: 1.25rem;
  }

  .nav-list {
    gap: 2rem;
  }

  .nav-link {
    font-size: 1.1rem;
  }
}

/* Banner样式 */
.banner {
  background: linear-gradient(to right, #0A4B9F, #3B82F6);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 4rem 0;
}

.banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(74, 144, 226, 0.1) 2px, transparent 2px);
  background-size: 30px 30px;
  opacity: 0.2;
}

.banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4rem;
  background: linear-gradient(to top, #fff, transparent);
}

.banner-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  position: relative;
  z-index: 10;
}

.banner-text {
  width: 100%;
}

.banner-text h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.banner-text h2 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.banner-text p {
  font-size: 1.125rem;
  line-height: 1.625;
  margin-bottom: 2rem;
  max-width: 36rem;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-primary {
  background-color: #fff;
  color: #0A4B9F;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  transition: background-color 0.15s;
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: #f3f4f6;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid #fff;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  transition: background-color 0.15s;
  white-space: nowrap;
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.banner-image {
  width: 100%;
  display: flex;
  justify-content: center;
}

.banner-image img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;

}

/* 产品特点样式 */
.features {
  padding: 4rem 0;
  background-color: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: #4B5563;
  max-width: 48rem;
  margin: 0 auto;
}

.section-header .jsys {
  color: white;

}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature-card {
  background-color: #F9FAFB;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.15s;
}

.feature-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 3.5rem;
  height: 3.5rem;
  background-color: #DBEAFE;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-icon i{
  font-size:30px ;
  color: #4A7CBC;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: #4B5563;
}

/* 功能参数样式 */
.parameters {
  padding: 4rem 0;
  background-color: #fff;
}

.parameter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.parameter-card {
  background-color: #fff;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  border: 1px solid #F3F4F6;
}

.parameter-header {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.parameter-icon {
  width: 3rem;
  height: 3rem;
  background-color: #DBEAFE;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
}

.parameter-icon i {
  font-size: 25px;
  font-weight: bold;
  color: #235EAA;
}

.parameter-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1F2937;
}

.parameter-card p {
  color: #4B5563;
  margin-bottom: 1rem;
}

.parameter-card img {
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.department-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.department-grid i{
  font-size: 20px;
  color: #235EAA;
}

.department-item {
  background-color: #EFF6FF;
  padding: 0.75rem;
  border-radius: 16px;
  text-align: center;
}

.department-item p {
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  margin: 15px 0 0px 0;
}

/* 技术优势样式 */
.tech-advantages {
  padding: 4rem 0;
  background: linear-gradient(to right, #0A4B9F, #3B82F6);
  color: #fff;
}

.advantage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.advantage-card {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border-radius: 16px;
  padding: 1.5rem;
  transition: background-color 0.15s;
}

.advantage-card:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.advantage-icon {
  width: 3.5rem;
  height: 3.5rem;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.advantage-icon i {
  font-size: 32px;
  color: white;
}

.advantage-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.advantage-card p {
  color: rgba(255, 255, 255, 0.8);
}

/* 认证与资质样式 */
.certifications {
  padding: 4rem 0;
  background-color: #F9FAFB;
}

.certification-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.certification-card {
  background-color: #fff;
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 16rem;
}

.certification-icon {
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.certification-icon i {
  font-size: 45px;
  color: #0A4B9F;
}

.certification-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 0.5rem;
}

.certification-card p {
  color: #4B5563;
}

/* 联系我们样式 */
.contact {
  padding: 4rem 0;
  background-color: #fff;
}

.contact-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 1.5rem;
}

.contact-info p {
  font-size: 1.125rem;
  color: #4B5563;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
}

.contact-icon {
  width: 2.5rem;
  height: 2.5rem;
  background-color: #DBEAFE;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  margin-top: 0.25rem;
}

.contact-icon i {
  font-size: 20px;
  color:#0A4B9F;
}

.contact-item h3 {
  font-weight: 500;
  color: #1F2937;
}

.contact-item p {
  color: #4B5563;
}

.form-container {
  background-color: #F9FAFB;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.form-container h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  color: #374151;
  margin-bottom: 0.5rem;
}

.form-group input {
  width: 100%;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid #D1D5DB;
  transition: border-color 0.15s;
}

.form-group input:focus {
  border-color: #0A4B9F;
  outline: none;
  box-shadow: 0 0 0 3px rgba(10, 75, 159, 0.2);
}

.btn-submit {
  width: 100%;
  background-color: #0A4B9F;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  transition: background-color 0.15s;
  white-space: nowrap;
}

.btn-submit:hover {
  background-color: rgba(10, 75, 159, 0.9);
}

/* 页脚样式 */
.footer {
  background-color: #111827;
  color: #fff;
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-about h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-about p {
  color: #9CA3AF;
}

.footer-links h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: #9CA3AF;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-links li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid #1F2937;
  padding-top: 2rem;
}

.copyright {
  text-align: center;
  color: #9CA3AF;
}

/* 响应式设计 */
@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .mobile-menu {
    display: none;
  }

  .banner-content {
    flex-direction: row;
  }

  .banner-text {
    width: 50%;
  }

  .banner-image {
    width: 50%;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .parameter-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .department-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .advantage-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-content {
    flex-direction: row;
  }

  .contact-info {
    width: 50%;
  }

  .contact-form {
    width: 50%;
  }

  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 图标字体 */
@font-face {
  font-family: "iconfont";
  src: url('//at.alicdn.com/t/c/font_4848887_h7j6kagw88g.woff2?t=1747891764972') format('woff2'),
    url('//at.alicdn.com/t/c/font_4848887_h7j6kagw88g.woff?t=1747891764972') format('woff'),
    url('//at.alicdn.com/t/c/font_4848887_h7j6kagw88g.ttf?t=1747891764972') format('truetype');
}

.iconfont {
  font-family: "iconfont" !important;
  font-size: 16px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-wuchuangyuyuesshixin:before {
  content: "\e6b3";
}

.icon-xinlixue:before {
  content: "\e607";
}

.icon-w_electrocardiogram_normal:before {
  content: "\e78d";
}

.icon-jiantou_xiangyou:before {
  content: "\eb08";
}

.icon-chanpinshouce:before {
  content: "\e7c1";
}

.icon-24gl-shieldCheck:before {
  content: "\e9d4";
}

.icon--:before {
  content: "\e611";
}

.icon-dizhi:before {
  content: "\e606";
}

.icon-head-side-brain:before {
  content: "\ea05";
}

.icon-activity:before {
  content: "\e6ea";
}

.icon-DEMO-chengshidanaozhanting:before {
  content: "\e610";
}

.icon-sharpicons_ribbon-:before {
  content: "\e793";
}

.icon-jingshenke:before {
  content: "\e677";
}

.icon-tubiao_-:before {
  content: "\e6eb";
}

.icon-keshiguanli-:before {
  content: "\e798";
}

.icon-heimingdan:before {
  content: "\e612";
}

.icon-shenjingneike:before {
  content: "\e609";
}

.icon-a-8kangfuyixueke:before {
  content: "\e628";
}

.icon-xueguan:before {
  content: "\e600";
}

.icon-icon-shujukeshihuafenxi:before {
  content: "\e745";
}

.icon-zhinengfenxixitong:before {
  content: "\e66a";
}

.icon-dianhua:before {
  content: "\e842";
}

.icon-tijianke:before {
  content: "\e81e";
}