*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:"Microsoft YaHei",Arial,sans-serif;
  color:#222;
  background:#fff;
  line-height:1.8;
}

.container{
  width:88%;
  max-width:1200px;
  margin:auto;
}

header{
  position:fixed;
  top:0;
  width:100%;
  z-index:999;
  background:#062f6b;
  box-shadow:0 3px 15px rgba(0,0,0,.15);
}

.nav{
  height:95px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  color:#fff;
}

.brand img{
  height:70px;
  width:auto;
}

.brand h1{
  font-size:28px;
  line-height:1.1;
}

.brand p{
  font-size:14px;
  opacity:.85;
}

nav a{
  color:#fff;
  text-decoration:none;
  margin-left:34px;
  font-size:17px;
  font-weight:500;
}

nav a:hover{
  color:#f6b400;
}

.hero{
  min-height:760px;
  background:
  linear-gradient(90deg,rgba(0,20,50,.88),rgba(0,40,90,.55)),
  url("https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=2070&auto=format&fit=crop");
  background-size:cover;
  background-position:center;
  color:#fff;
  display:flex;
  align-items:center;
  padding-top:95px;
}

.hero-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:60px;
}

.hero-text{
  max-width:760px;
}

.hero h2{
  font-size:56px;
  margin-bottom:20px;
}

.hero p{
  font-size:24px;
  margin-bottom:35px;
  color:#e8eef8;
}

.hero-logo img{
  width:280px;
  animation:floatLogo 3.5s ease-in-out infinite;
  filter:drop-shadow(0 0 28px rgba(0,155,255,.45));
}

.btns a{
  display:inline-block;
  background:#f6b400;
  color:#111;
  padding:13px 34px;
  border-radius:5px;
  text-decoration:none;
  font-weight:bold;
  margin-right:15px;
}

.btns .white{
  background:#fff;
}

.section{
  padding:85px 0;
}

.gray{
  background:#f3f6fa;
}

.title{
  display:flex;
  align-items:center;
  margin-bottom:35px;
}

.title span{
  width:6px;
  height:42px;
  background:#f6b400;
  border-radius:10px;
  margin-right:16px;
}

.title h2{
  font-size:36px;
  color:#062f6b;
}

.text{
  font-size:18px;
  max-width:1050px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:22px;
}

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

.card-link{
  text-decoration:none;
  color:inherit;
}

.card,
.culture div,
.contact p{
  background:#fff;
  padding:28px 24px;
  border-radius:12px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
}

.card{
  transition:.3s;
  height:100%;
}

.card:hover{
  transform:translateY(-8px);
  box-shadow:0 16px 36px rgba(0,0,0,.14);
}

.card h3,
.culture h3{
  color:#062f6b;
  font-size:22px;
  margin-bottom:12px;
}

.card p,
.culture p{
  color:#555;
  font-size:16px;
}

.culture{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.contact{
  max-width:850px;
}

.contact p{
  margin-bottom:14px;
  font-size:17px;
}

.page-hero{
  min-height:420px;
  padding-top:140px;
  background:
  linear-gradient(90deg,rgba(0,20,50,.9),rgba(0,45,100,.65)),
  url("https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=2070&auto=format&fit=crop");
  background-size:cover;
  background-position:center;
  color:#fff;
  display:flex;
  align-items:center;
}

.page-hero h2{
  font-size:52px;
  margin-bottom:18px;
}

.page-hero p{
  font-size:22px;
  max-width:900px;
  color:#e8eef8;
}

.solution-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:26px;
}

.solution-card{
  background:#fff;
  padding:32px 28px;
  border-radius:14px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
  transition:.3s;
  height:100%;
}

.solution-card:hover{
  transform:translateY(-6px);
  box-shadow:0 16px 36px rgba(0,0,0,.14);
}

.solution-card h3{
  color:#062f6b;
  font-size:26px;
  margin-bottom:14px;
}

.solution-card p{
  color:#444;
  font-size:17px;
  margin-bottom:16px;
}

.select-box{
  background:#fff;
  border-left:5px solid #f6b400;
  padding:30px;
  border-radius:12px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
}

.select-box p{
  font-size:18px;
  color:#333;
}

.tag-list{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

.tag-list span{
  background:#f3f6fa;
  color:#062f6b;
  padding:12px 20px;
  border-radius:30px;
  font-weight:bold;
  box-shadow:0 4px 12px rgba(0,0,0,.06);
}

footer{
  background:#08101d;
  color:#aaa;
  text-align:center;
  padding:28px;
  font-size:14px;
}

@keyframes floatLogo{
  0%{
    transform:translateY(0);
  }

  50%{
    transform:translateY(-16px);
  }

  100%{
    transform:translateY(0);
  }
}

@media(max-width:900px){
  nav{
    display:none;
  }

  .nav{
    height:85px;
  }

  .brand img{
    height:58px;
  }

  .brand h1{
    font-size:22px;
  }

  .hero{
    min-height:680px;
    padding-top:85px;
    text-align:center;
  }

  .hero-inner{
    flex-direction:column;
    justify-content:center;
    gap:30px;
  }

  .hero h2{
    font-size:36px;
  }

  .hero p{
    font-size:18px;
  }

  .hero-logo img{
    width:180px;
  }

  .grid,
  .four,
  .culture,
  .solution-grid{
    grid-template-columns:1fr;
  }

  .section{
    padding:60px 0;
  }

  .page-hero{
    min-height:360px;
    padding-top:120px;
  }

  .page-hero h2{
    font-size:36px;
  }

  .page-hero p{
    font-size:18px;
  }
}.table-wrap{
  overflow-x:auto;
  background:#fff;
  border-radius:14px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
}

.product-table{
  width:100%;
  border-collapse:collapse;
  min-width:980px;
  font-size:15px;
}

.product-table th{
  background:#062f6b;
  color:#fff;
  padding:16px 14px;
  text-align:left;
  white-space:nowrap;
}

.product-table td{
  padding:16px 14px;
  border-bottom:1px solid #e6eaf0;
  color:#333;
  vertical-align:top;
}

.product-table tr:hover{
  background:#f6f9fd;
}

.product-table td:first-child{
  font-weight:bold;
  color:#062f6b;
  white-space:nowrap;
}.series-tabs{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.series-tabs a{
  display:block;
  background:#fff;
  color:#062f6b;
  text-decoration:none;
  font-weight:bold;
  font-size:20px;
  padding:24px;
  border-radius:12px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
  border-top:4px solid #f6b400;
  transition:.3s;
}

.series-tabs a:hover{
  transform:translateY(-6px);
  box-shadow:0 16px 36px rgba(0,0,0,.14);
}

.table-wrap{
  overflow-x:auto;
  background:#fff;
  border-radius:14px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
}

.product-table{
  width:100%;
  border-collapse:collapse;
  min-width:980px;
  font-size:15px;
}

.product-table th{
  background:#062f6b;
  color:#fff;
  padding:16px 14px;
  text-align:left;
  white-space:nowrap;
}

.product-table td{
  padding:16px 14px;
  border-bottom:1px solid #e6eaf0;
  color:#333;
  vertical-align:top;
}

.product-table tr:hover{
  background:#f6f9fd;
}

.product-table td:first-child{
  font-weight:bold;
  color:#062f6b;
  white-space:nowrap;
}

@media(max-width:900px){
  .series-tabs{
    grid-template-columns:1fr;
  }
}.products-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:24px;
  margin-top:40px;
}

.product-card{
  background:#fff;
  border-radius:18px;
  padding:34px 28px;
  text-decoration:none;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
  transition:.3s;
  border-top:4px solid #f6b400;
}

.product-card:hover{
  transform:translateY(-8px);
  box-shadow:0 20px 40px rgba(0,0,0,.15);
}

.product-icon{
  width:64px;
  height:64px;
  background:#062f6b;
  color:#fff;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  font-weight:bold;
  margin-bottom:24px;
}

.product-card h3{
  color:#062f6b;
  font-size:30px;
  margin-bottom:16px;
}

.product-card p{
  color:#555;
  line-height:1.8;
  font-size:16px;
}

@media(max-width:1200px){
  .products-grid{
    grid-template-columns:repeat(2,1fr);
  }
}

@media(max-width:768px){
  .products-grid{
    grid-template-columns:1fr;
  }
}.products-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:24px;
  margin-top:40px;
}

.product-card{
  background:#fff;
  border-radius:18px;
  padding:34px 28px;
  text-decoration:none;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
  transition:.3s;
  border-top:4px solid #f6b400;
}

.product-card:hover{
  transform:translateY(-8px);
  box-shadow:0 20px 40px rgba(0,0,0,.15);
}

.product-icon{
  width:64px;
  height:64px;
  background:#062f6b;
  color:#fff;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  font-weight:bold;
  margin-bottom:24px;
}

.product-card h3{
  color:#062f6b;
  font-size:28px;
  margin-bottom:16px;
}

.product-card p{
  color:#555;
  line-height:1.8;
  font-size:16px;
}

@media(max-width:1200px){
  .products-grid{
    grid-template-columns:repeat(2,1fr);
  }
}

@media(max-width:768px){
  .products-grid{
    grid-template-columns:1fr;
  }
}