:root{
  --bg:#0b1b2b;
  --bg2:#10263d;
  --primary:#1f6feb;
  --accent:#ff9f1c;
  --text:#1f2a37;
  --muted:#6b7280;
  --line:#e5e7eb;
  --card:#ffffff;
  --soft:#f7f9fc;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --radius:18px;
  --container:1200px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.65;
}
ul{padding-inline-start: 0;}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{ width:85%;margin:0 auto;}
.section{padding:72px 0}
.section-sm{padding:56px 0}
.section-title{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px
}
.section-title h2{margin:0;font-size:32px;line-height:1.15}
.section-title p{margin:0;color:var(--muted)}
.grid{display:grid;gap:20px}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.card-body{padding:22px}
.panel{
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
}
.muted{color:var(--muted)}
.badge{
  display:inline-block;
  padding:6px 12px;
  border-radius:999px;
  background:#eef4ff;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 20px;
  border-radius:999px;
  font-weight:700;
  transition:.25s ease;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-soft{background:#eef4ff;color:var(--primary)}
.btn-soft:hover{background:#dfeaff}
.btn-primary{border-color: rgba(255, 255, 255, .35);color: #fff;}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline{border-color:var(--line);color:var(--text);background:#fff}
.mt-12{margin-top:12px}
.mt-20{margin-top:20px}
.mt-28{margin-top:28px}
.mb-0{margin-bottom:0}


/* navbar */
.navbar{
  position:sticky;
  top:0;
  z-index:999;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(229,231,235,.8);
}
.navbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
  position:relative;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  flex-shrink:0;
  font-size: 24px;
}
.brand small{
  display:block;
  font-weight:600;
  color:var(--muted);
  font-size:12px;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:none;
  background:#f1f5f9;
  border-radius:12px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:#0f172a;
  border-radius:2px;
  transition:.3s ease;
}
.nav-toggle.active span:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2){
  opacity:0;
}
.nav-toggle.active span:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:24px;
  flex:1;
  justify-content:flex-end;
}
.nav{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}
.nav a{
  font-weight:600;
  color:#334155;
}
.nav a:hover,.nav a.active{
  color:var(--primary);
}
.nav-cta{
  display:flex;
  gap:10px;
  align-items:center;
}

/* hero */
.hero{
  min-height:640px;
  color:#fff;
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(90deg,rgba(5,16,34,.8),rgba(5,16,34,.4)),
    radial-gradient(circle at top right, rgba(31,111,235,.35), transparent 35%),
    url("../UploadFiles/bj/banner.jpg") center/cover no-repeat;
}
.hero .container{
  min-height:640px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  align-items:center;
  gap:30px;
}
.hero h1{
  font-size:54px;
  line-height:1.08;
  margin:0 0 18px;
}
.hero p{
  font-size:18px;
  color:#d9e4f7;
  max-width:640px;
  margin:0;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}


/* common modules */
.stats-grid{grid-template-columns:repeat(4,1fr)}
.stats-grid .card{
  text-align:center;
  padding:24px;
}
.stats-grid h3{
  margin:0;
  font-size:34px;
  color:var(--primary);
}
.stats-grid p{
  margin:6px 0 0;
  color:var(--muted);
}
.feature{
  padding:24px;
  border-radius:20px;
  background:linear-gradient(180deg,#fff,#f8fbff);
  border:1px solid var(--line);
}
.feature h3{margin:12px 0 8px}
.icon{
  width:52px;
  height:52px;
  border-radius:14px;
  background:#eef4ff;
  color:var(--primary);
  display:grid;
  place-items:center;
  font-size:22px;
  font-weight:800;
}
.product{
  display:flex;
  flex-direction:column;
  height:100%;
}
.product .thumb{
  aspect-ratio:4/3;
  background:linear-gradient(135deg,#dbeafe,#eff6ff);
  display:grid;
  place-items:center;
  color:#1d4ed8;
  font-weight:800;
  font-size:20px;
}
.product h3{margin:0 0 8px}

.checks{
  list-style:none;
  padding:0;
  margin:16px 0 0;
}
.checks li{
  margin:10px 0;
  padding-left:24px;
  position:relative;
}
.checks li::before{
  content:"✓";
  position:absolute;
  left:0;
  color:var(--primary);
  font-weight:800;
}
.timeline{
  border-left:2px solid var(--line);
  padding-left:18px;
}
.timeline .item{
  position:relative;
  padding-bottom:18px;
}
.timeline .item::before{
  content:"";
  position:absolute;
  left:-25px;
  top:6px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--primary);
}
.case{
  display:flex;
  flex-direction:column;
  height:100%;
}
.case .thumb{
  aspect-ratio:16/9;
  background:linear-gradient(135deg,#0f172a,#1d4ed8);
  color:#fff;
  display:grid;
  place-items:center;
  text-align:center;
  font-weight:700;
  padding:18px;
}
.news-list{display:grid;gap:14px}
.news-item{
  display:flex;
  justify-content:space-between;
  gap:18px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.news-item:last-child{border-bottom:none}
.news-item strong{
  display:block;
  margin-bottom:6px;
}
.news-item span{
  color:var(--muted);
  font-size:14px;
}
.breadcrumb{
  background:linear-gradient(135deg,#0b1b2b,#123255);
  color:#fff;
  padding:34px 0;
}
.breadcrumb h1{
  margin:0 0 8px;
  font-size:34px;
}
.breadcrumb p{
  margin:0;
  color:#dbe7ff;
}
.form{display:grid;gap:14px}
input,select,textarea{
  width:100%;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:14px;
  font:inherit;
  background:#fff;
  outline:none;
}
textarea{
  min-height:140px;
  resize:vertical;
}
.table{
  width:100%;
  border-collapse:collapse;
  overflow:hidden;
  border-radius:16px;
  border:1px solid var(--line);
}
.table th,.table td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.table th{background:#f8fafc}
.table-wrap{overflow-x:auto}

/* footer */
.footer{
  background:#07101c;
  color:#cbd5e1;
  padding:48px 0 22px;
  margin-top:48px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr ;
  gap:22px;
}
.footer h4{
  margin:0 0 12px;
  color:#fff;
}
.footer a{color:#cbd5e1}
.footer-bottom{
  margin-top:24px;
  padding-top:18px;
  border-top:1px solid rgba(148,163,184,.18);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:14px;
}
.jszc1{
  display: flex;
  align-items: center; 
}

/* floating contact */
.float-actions{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:998;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.float-actions a{
  min-width:120px;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  box-shadow:0 10px 25px rgba(0,0,0,.15);
  font-size:14px;
  font-weight:700;
}
.float-phone{background:#fff;color:var(--text);border:1px solid var(--line)}
.float-quote{background:var(--primary);color:#fff}

/* responsive */
@media (max-width: 992px){
  .nav-toggle{display:flex}
  .nav-menu{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    box-shadow:0 20px 40px rgba(15,23,42,.12);
    padding:18px;
    margin-top:10px;
    flex-direction:column;
    align-items:stretch;
    gap:16px;
  }
  .nav-menu.open{display:flex}
  .nav{
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
  }
  .nav a{
    display:block;
    width:100%;
    padding:10px 4px;
    border-bottom:1px solid #f1f5f9;
  }
  .nav a:last-child{border-bottom:none}
  .nav-cta{
    flex-direction:column;
    align-items:stretch;
    width:100%;
  }
  .nav-cta .btn{width:100%}

  .hero .container,.split,.footer-grid,.cols-4,.cols-3,.cols-2,.stats-grid{
    grid-template-columns:1fr 1fr;
  }
  .hero h1{font-size:42px}
}
@media (max-width: 768px){
  .container{
    width:96%;
  }
  .topbar .container,
  .section-title,
  .news-item,
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
  .footer-bottom > :nth-child(1){width: 100%;text-align: center;}
  
  .topbar{display:none}
  .brand small{display:none}
  .hero,.hero .container{min-height:auto}
  .hero .container{
    grid-template-columns:1fr;
    padding:56px 0;
  }
  .hero h1{font-size:28px}
  .cols-4,.cols-3,.cols-2,.stats-grid,.split,.footer-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{grid-auto-flow: column;}
  .footer-grid > :nth-child(1){display: none;}
  .footer-grid > :nth-child(2),.footer-grid > :nth-child(3){width: 100%;}
  .section{padding:56px 0}
  .breadcrumb h1{font-size:28px}
  .float-actions a{
    min-width:104px;
    height:42px;
    font-size:13px;
  }
}


/* 首页关于我们 */
/* .gywmbig{
  display: flex;
}
.cardgywm{
  width: 50%;
} */


/* 联系我们 */
.nylxnr:nth-child(1) {font-size: 30px; line-height: 52px; color:#212121; font-weight: 600; text-align: center; letter-spacing: 2px; margin-top: 40px;}
.nylxnr:nth-child(2) {font-size: 22px; line-height: 46px; text-align:center; color: #333; letter-spacing:2px;}
.lxlb {display: flex; flex-direction:row; width: 100%; box-sizing: border-box; margin-top: 40px;list-style: none;}
.lxlb li {flex-grow:9; padding: 35px 0; box-sizing: border-box; border-right: 1px solid #e1e1e1; box-sizing: border-box; transition: all 0.4s;}
.lxlb li:nth-last-child(1) {flex-grow:10; border-right: 0;}
.lxlb li img {width: 80px; display: block; margin: 0 auto;}
.lxlb li p:nth-child(2) {font-size: 16px; color: #666; text-align: center; line-height: 30px; margin-top: 12px;}
.lxlb li p:nth-child(3) {font-size: 22px; color: #333; text-align: center; line-height: 36px; letter-spacing: 1px;}
.lxlb li:hover {box-shadow:rgba(0,0,0,.2) 0px 0px 30px;}
.nylxr {width: 100%; height: 462px; margin-top: 40px;}
#dituContent {width: 100%; height: 434px;}
@media (max-width:768px) {
  .lxlb{
    flex-direction: column;
  }
  .nylxnr:nth-child(1){
    font-size: 24px;
  }
}



.post-nav{
  margin:24px 0 0;
  padding-left:20px;
  line-height:2;
  list-style: none;
}
.post-nav a{
  color:#1f2a37;
  text-decoration:none;
}
.post-nav a:hover{
  color:#1f6feb;
}


.sjkx{
  display: none;
}
@media (max-width:1000px) {
  .sjkx{
    display: block;
  }
}


/* 关于我们 */
/* 左右结构内页布局 */
.inner-layout{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:28px;
  align-items:start;
}

.inner-content{
  min-width:0;
}

.contact-company-title{
  margin-bottom:20px;
  padding:20px 24px;
  border-radius:20px;
  background:linear-gradient(135deg,#0d2340,#16355a);
  color:#fff;
  font-size:28px;
  font-weight:700;
  line-height:1.4;
  box-shadow:0 10px 30px rgba(15,23,42,.08);
}

/* 侧边栏 */
.page-sidebar{
  display:grid;
  gap:20px;
}

.sidebar-card{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 10px 30px rgba(15,23,42,.06);
}

.sidebar-title{
  padding:18px 20px;
  background:linear-gradient(135deg,#0d2340,#16355a);
  color:#fff;
  font-size:18px;
  font-weight:700;
}

.sidebar-nav{
  list-style:none;
  margin:0;
  padding:12px;
}

.sidebar-nav li + li{
  margin-top:10px;
}

.sidebar-nav a{
  display:block;
  padding:14px 16px;
  border-radius:14px;
  color:#1f2a37;
  background:#f8fafc;
  text-decoration:none;
  font-weight:600;
  transition:.25s ease;
}

.sidebar-nav a:hover{
  background:#eef4ff;
  color:#1f6feb;
  transform:translateX(4px);
}

.sidebar-nav a.active{
  background:linear-gradient(135deg,#1f6feb,#0ea5e9);
  color:#fff;
}

.sidebar-contact{
  padding-bottom:8px;
}

.sidebar-contact p{
  margin:0;
  padding:12px 20px;
  color:#334155;
  line-height:1.8;
  border-bottom:1px solid #f1f5f9;
}

.sidebar-contact p:last-child{
  border-bottom:none;
}

/* 响应式 */
@media (max-width: 992px){
  .inner-layout{
    grid-template-columns:1fr;
  }

  .page-sidebar{
    display: none;
  }

  .inner-content{
    order:1;
  }
}

@media (max-width: 768px){
  .contact-company-title{
    font-size:22px;
    padding:16px 18px;
    border-radius:16px;
  }

  .sidebar-title{
    font-size:16px;
    padding:16px 18px;
  }

  .sidebar-nav a{
    padding:12px 14px;
  }

  .sidebar-contact p{
    padding:10px 18px;
  }
}


.cpnr h1{
  text-align: center;
}


/* 分页样式 */
/* 分页 */
.fenye{
  margin-top: 36px;
  display: flex;
  justify-content: flex-end;
}

.pagination{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(15,23,42,.06);
}

.pagination a,
.pagination span,
.pagination strong{
  box-sizing: border-box;
}

.pagination a{
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #fff;
  color: #334155;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
}

.pagination a:hover{
  color: #1f6feb;
  border-color: #1f6feb;
  background: #eef4ff;
  transform: translateY(-2px);
}

/* 当前页常见写法兼容 */
.pagination .current,
.pagination .on,
.pagination strong,
.pagination > span:not(.page-total){
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg,#1f6feb,#0ea5e9);
  color: #fff;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
}

/* 总页数 */
.pagination .page-total{
  margin-left: 6px;
  padding: 0 4px 0 10px;
  color: #64748b;
  font-size: 14px;
  line-height: 42px;
  white-space: nowrap;
}

.pagination .page-total strong{
  min-width: auto;
  height: auto;
  padding: 0;
  margin: 0 2px;
  background: none;
  border: none;
  color: #1f6feb;
  display: inline;
  font-size: 15px;
  font-weight: 700;
}

/* 首尾页按钮稍微宽一点 */
.pagination .page-edge,
.pagination .page-prev,
.pagination .page-next{
  padding: 0 16px;
}

/* 移动端 */
@media (max-width: 768px){
  .fenye{
    justify-content: center;
  }

  .pagination{
    justify-content: center;
    gap: 8px;
    padding: 14px;
    border-radius: 16px;
  }

  .pagination a,
  .pagination .current,
  .pagination .on,
  .pagination strong,
  .pagination > span:not(.page-total){
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    font-size: 13px;
  }

  .pagination .page-total{
    width: 100%;
    text-align: center;
    margin-left: 0;
    padding: 4px 0 0;
    line-height: 1.8;
  }
}