/* ========== 基础 ========== */
:root{
  --primary:#0a4ea3;
  --primary-deep:#062a5c;
  --blue-grad:linear-gradient(135deg,#0a3d7c 0%,#0a5cc0 55%,#1e88e5 100%);
  --text:#333;
  --text-light:#666;
  --text-white:#fff;
  --line:#e6e9ef;
  --radius:6px;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.7;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.btn{
  display:inline-block;padding:12px 36px;border:1px solid rgba(255,255,255,.7);
  color:#fff;font-size:15px;letter-spacing:2px;cursor:pointer;background:transparent;
  transition:all .3s;border-radius:2px;
}
.btn:hover{background:rgba(255,255,255,.15);border-color:#fff;}
.btn-primary{
  background:linear-gradient(135deg,#0a5cc0,#1e88e5);border:none;color:#fff;
  box-shadow:0 6px 18px rgba(10,92,192,.35);
}
.btn-primary:hover{background:linear-gradient(135deg,#084a9b,#1565c0);transform:translateY(-2px);}
.btn-default{
     color: #333;
    background-color: #fff;
    border-color: #ccc;
}
.btn-default:hover{
   color: #333;
    background-color: #e6e6e6;
    border-color: #adadad;
 transform:translateY(-2px);
}
.sec-title{text-align:center;margin-bottom:60px;}
.sec-title h2{
  font-size:36px;color:#1a1a1a;position:relative;display:inline-block;padding-bottom:14px;
}
.sec-title h2::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:56px;height:4px;background:linear-gradient(90deg,#0a5cc0,#1e88e5);border-radius:2px;
}
.sec-title p{margin-top:16px;color:var(--text-light);font-size:16px;}
section{padding:100px 0;}
/* 滚动入场动画 */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease;}
.reveal.in{opacity:1;transform:none;}

/* ========== 头部 ========== */
header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .3s,box-shadow .3s;
  background:linear-gradient(to right,rgba(4,26,61,.66),rgba(4,26,61,.77));
}
header.scrolled{background:#fff;box-shadow:0 2px 16px rgba(0,0,0,.08);}
.nav{display:flex;align-items:center;justify-content:space-between;height:80px;}
.logo{display:flex;align-items:center;gap:10px;color:#fff;}
.logo svg{width:36px;height:36px;}
.logo span{font-size:18px;font-weight:600;letter-spacing:2px;}
header.scrolled .logo{color:var(--primary);}
.menu{display:flex;align-items:center;}
.menu>li{position:relative;}
.menu>li>a{
  display:block;padding:0 20px;height:80px;line-height:80px;color:#fff;font-size:15px;
  letter-spacing:1px;transition:color .2s;
}
.menu>li>a::after{
  content:"";position:absolute;left:20px;right:20px;bottom:18px;height:2px;
  background:#1e88e5;transform:scaleX(0);transition:transform .3s;
}
.menu>li:hover>a::after,.menu>li.active>a::after{transform:scaleX(1);}
header.scrolled .menu>li>a{color:#333;}
.menu .cta a{
  margin-left:10px;padding:10px 10px;height:auto;line-height:1.4;border-radius:2px;
  background:linear-gradient(135deg,#0a5cc0,#1e88e5);color:#fff !important;box-shadow:0 4px 14px rgba(10,92,192,.35);
}
.menu .cta a::after{display:none;}
.submenu{
  position:absolute;top:80px;left:0;min-width:180px;background:#fff;border-radius:0 0 var(--radius) var(--radius);
  box-shadow:0 12px 30px rgba(0,0,0,.1);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .25s;list-style:none;margin:0;padding:6px 0;
}
.submenu li{position:relative;}
.submenu a{display:block;padding:12px 22px;font-size:14px;color:#444;transition:all .2s;white-space:nowrap;}
.submenu a:hover{background:#f0f6ff;color:var(--primary);padding-left:28px;}
.menu>li:hover>.submenu{opacity:1;visibility:visible;transform:none;}

/* 三级菜单 */
.submenu-sub{
  position:absolute;top:0;left:100%;min-width:180px;background:#fff;border-radius:var(--radius);
  box-shadow:0 12px 30px rgba(0,0,0,.12);opacity:0;visibility:hidden;transform:translateX(8px);
  transition:all .25s;list-style:none;margin:0;padding:6px 0;
}
.submenu-sub a{display:block;padding:12px 22px;font-size:14px;color:#444;transition:all .2s;white-space:nowrap;}
.submenu-sub a:hover{background:#f0f6ff;color:var(--primary);padding-left:28px;}
.has-sub-sub:hover>.submenu-sub{opacity:1;visibility:visible;transform:none;}
.has-sub-sub>a .iconfont{font-size:12px;margin-left:6px;}

/* hover 时箭头向上 */
.menu>li.has-sub:hover>a .icon-xia:before,
.has-sub-sub:hover>a .icon-xia:before{content:"\e63c";}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
.hamburger span{width:24px;height:2px;background:#fff;transition:all .3s;}
header.scrolled .hamburger span{background:#333;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ========== 首屏 ========== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
  /* background:radial-gradient(ellipse at 30% 20%,#0d54ad 0%,#072b5e 55%,#041a3d 100%); */
  background:url(../images/bg1.jpg) center/cover no-repeat;
  overflow:hidden;padding:120px 0 80px;
}
.hero-carousel{
  position:relative;min-height:100vh;overflow:hidden;
}
.hero-track{display:flex;transition:transform .6s ease;height:100%;}
.hero-slide{
  flex:0 0 100%;min-width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:center/cover no-repeat;padding:120px 0 80px;position:relative;cursor:pointer;
}
/* 网络线条 */
/* .hero-carousel::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
} */
.hero-orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:float 10s ease-in-out infinite;z-index:1;}
.hero-orb.o1{width:520px;height:520px;background:#1e88e5;top:-140px;right:-100px;}
.hero-orb.o2{width:380px;height:380px;background:#0a5cc0;bottom:-120px;left:-80px;animation-delay:-5s;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-40px);}}
.hero-inner{position:relative;z-index:2;text-align:center;}
.hero-slide-inner{position:relative;z-index:2;text-align:center;}
.top-light{position:absolute;top:-40px;left:-80%;transform:translateX(-50%);width:415px;height:97px;background:url(../images/light.png) center/cover no-repeat;opacity:.6;animation:float 10s ease-in-out infinite;}
.top-light1{position:absolute;top:-40px;left:50%;transform:translateX(-50%);width:415px;height:97px;background:url(../images/light.png) center/cover no-repeat;opacity:.6;animation:float 10s ease-in-out infinite;animation-delay:-5s;}
.bottom-light{position:absolute;bottom:80px;left:-60%;transform:translateX(-50%);width:415px;height:97px;background:url(../images/light.png) center/cover no-repeat;opacity:.6;animation:float 8s ease-in-out infinite;}
.bottom-light1{position:absolute;bottom:80px;left:80%;transform:translateX(-50%);width:415px;height:97px;background:url(../images/light.png) center/cover no-repeat;opacity:.6;animation:float 8s ease-in-out infinite;animation-delay:-5s;}
.hero h1{
  font-size:64px;color:#fff;letter-spacing:8px;font-weight:700;
  text-shadow:0 0 30px rgba(30,136,229,.6);
  animation:fadeUp 1s ease both;
}
.hero-slide h1{
  font-size:64px;color:#fff;letter-spacing:8px;font-weight:700;
  text-shadow:0 0 30px rgba(30,136,229,.6);
  animation:fadeUp 1s ease both;
}
.hero-slide h1 em{font-style:normal;background:linear-gradient(90deg,#5ec2ff,#fff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.hero .slogan{
  margin:26px 0 46px;font-size:22px;color:rgba(255,255,255,.85);letter-spacing:3px;
  animation:fadeUp 1s .2s ease both;
}
.hero-slide .slogan{
  margin:26px 0 46px;font-size:22px;color:rgba(255,255,255,.85);letter-spacing:3px;
  animation:fadeUp 1s .2s ease both;
}
.hero-btns{display:flex;gap:20px;justify-content:center;animation:fadeUp 1s .4s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:none;}}
.hero-scroll{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;
  width:26px;height:44px;border:2px solid rgba(255,255,255,.5);border-radius:14px;
}
.hero-scroll::before{
  content:"";position:absolute;top:8px;left:50%;width:4px;height:8px;margin-left:-2px;
  background:#fff;border-radius:2px;animation:wheel 1.8s ease infinite;
}
@keyframes wheel{0%{opacity:1;transform:translateY(0);}70%{opacity:0;transform:translateY(16px);}100%{opacity:0;}}

/* 轮播箭头 */
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:50px;height:50px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:rgba(0,0,0,.2);
  color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;
  transition:all .3s;
}
.hero-arrow:hover{background:rgba(0,0,0,.5);border-color:#fff;}
.hero-arrow.prev{left:20px;}
.hero-arrow.next{right:20px;}

/* 轮播指示点 */
.hero-dots{
  position:absolute;bottom:80px;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;gap:10px;
}
.hero-dots button{
  width:10px;height:10px;border-radius:50%;border:none;background:rgba(255,255,255,.4);
  cursor:pointer;transition:all .3s;
}
.hero-dots button.active{background:#fff;width:28px;border-radius:5px;}

/* ========== 关于 ========== */
.about{background:#fff;}
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:center;}
.about-text h3{font-size:26px;color:#1a1a1a;margin-bottom:22px;}
.about-text p{color:var(--text-light);font-size:15px;margin-bottom:16px;text-align:justify;}
.btn-outline{
  display:inline-block;margin-top:14px;padding:10px 32px;border:1px solid #0a5cc0;color:var(--primary);
  border-radius:2px;font-size:14px;transition:all .3s;
}
.btn-outline:hover{background:var(--primary);color:#fff;}
.stats{display:flex;gap:60px;margin-top:44px;flex-wrap:wrap;}
.stat b{font-size:44px;font-weight:700;color:var(--primary);font-family:Georgia,serif;}
.stat b i{font-style:normal;font-size:26px;}
.stat span{display:block;color:var(--text-light);font-size:14px;margin-top:4px;}
.about-visual{position:relative;}
.about-visual .main-img{
  height:400px;border-radius:var(--radius);
  background:url('../images/building.jpg') center/cover no-repeat;
  z-index:999;
  box-shadow:0 24px 60px rgba(10,61,129,.25);position:relative;overflow:hidden;
}
.about-visual .main-img::before{ /* 大楼剪影 */
  content:"";position:absolute;inset:auto 0 0 0;height:62%;
  background:
    linear-gradient(90deg,transparent 0 6%,rgba(255,255,255,.16) 6% 13%,transparent 13% 18%,rgba(255,255,255,.22) 18% 27%,transparent 27% 33%,rgba(255,255,255,.28) 33% 44%,transparent 44% 50%,rgba(255,255,255,.18) 50% 58%,transparent 58% 64%,rgba(255,255,255,.24) 64% 74%,transparent 74% 80%,rgba(255,255,255,.16) 80% 90%,transparent 90%);
  clip-path:polygon(6% 100%,6% 30%,13% 30%,13% 100%,18% 100%,18% 12%,27% 12%,27% 100%,33% 100%,33% 40%,44% 40%,44% 100%,50% 100%,50% 20%,58% 20%,58% 100%,64% 100%,64% 34%,74% 34%,74% 100%,80% 100%,80% 26%,90% 26%,90% 100%);
}
.about-visual .main-img::after{ /* 地平线光 */
  content:"";position:absolute;left:0;right:0;bottom:0;height:100px;
  background:linear-gradient(to top,rgba(4,26,61,.55),transparent);
}
.about-visual .float-img{
  position:absolute;top:-36px;right:-110px;width:220px;height:260px;border-radius:var(--radius);
  background:url('../images/icon1.jpg') center/cover no-repeat;
  box-shadow:0 16px 40px rgba(4,26,61,.35);z-index:2;
}
.about-visual .badge{
  position:absolute;bottom:-28px;left:-28px;width:150px;height:110px;border-radius:var(--radius);
  background:#fff;box-shadow:0 16px 40px rgba(0,0,0,.12);z-index:2;
  display:flex;align-items:center;justify-content:center;
}
.about-visual .badge svg{width:70px;height:70px;}

/* ========== 产品服务 ========== */
.products{background:#f6f9fe;}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.prod-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;position:relative;
  box-shadow:0 8px 30px rgba(10,61,129,.08);transition:transform .35s,box-shadow .35s;
}
.prod-card:hover{transform:translateY(-10px);box-shadow:0 20px 50px rgba(10,61,129,.18);}
.prod-card .cover{
  height:220px;position:relative;overflow:hidden;
  background:linear-gradient(160deg,#062a5c,#0a5cc0 60%,#1e88e5);
}
.prod-card .cover::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.25) 1.5px,transparent 1.5px);
  background-size:26px 26px;}
.prod-card:nth-child(1) .cover{background:radial-gradient(circle at 30% 70%,#1565c0,#041a3d 75%);}
.prod-card:nth-child(2) .cover{background:radial-gradient(circle at 70% 30%,#1e88e5,#072b5e 75%);}
.prod-card:nth-child(3) .cover{background:radial-gradient(circle at 50% 80%,#0a5cc0,#041a3d 75%);}
.cover .sat{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);}
.cover .sat svg{width:150px;height:150px;filter:drop-shadow(0 0 18px rgba(94,194,255,.6));}
.prod-body{padding:30px 28px 34px;}
.prod-body h3{font-size:20px;color:#1a1a1a;margin-bottom:10px;}
.prod-body p.desc{color:var(--text-light);font-size:14px;margin-bottom:18px;min-height:66px;}
.prod-body ul li{
  position:relative;padding:7px 0 7px 22px;font-size:14px;color:#444;
  border-bottom:1px dashed var(--line);
}
.prod-body ul li::before{
  content:"";position:absolute;left:0;top:14px;width:10px;height:10px;border-radius:50%;
  border:2px solid #1e88e5;
}
.prod-more{display:inline-block;margin-top:18px;font-size:14px;color:var(--primary);transition:padding .3s;}
.prod-more:hover{padding-left:8px;}

/* ========== 产品服务 pc端 ========== */
.service-flex{
  display:flex;flex-wrap:wrap;justify-content:flex-start;
}
.service-card{
  overflow:hidden;position:relative;
  box-shadow:0 8px 30px rgba(10,61,129,.08);transition:transform .35s,box-shadow .35s;
  display:flex;flex-direction:column;justify-content:flex-start;
}
.service-body h3{
  font-size: 20px;
  margin-bottom: 10px;
}
.service-body ul li{
  position:relative;padding:7px 0 7px 22px;font-size:14px;color:var(--text-white);
}
.service-body ul li::before{
  content:"";position:absolute;left:0;top:14px;width:10px;height:10px;
  background:url('../images/icon2.png') center/cover no-repeat;
}
.service-body a{
  color: var(--text-white);
}
.service-body{
  width:260px;
  height: 400px;
  padding:28px 24px;
  font-size:14px;line-height:1.6;
  background:#2787E9;
  color:#fff;
}
.server-image{
  width: 640px;
}
.server-image-bg{
  width: 640px;
  height: 400px;
  background: url('../images/bd1.jpg') center/cover no-repeat;
  position: relative;
  display:flex;align-items:left;justify-content:center;
}
.server-image-opacity{
  opacity: 0.8;
}
.server-body-gay::after{
  content: "";
  position: absolute;
  inset: 0;
  height: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0, 0, 0.2), rgba(0,0,0,.1));  
}
/* ========== 应用案例 ========== */
.cases{
  background:
    /* linear-gradient(rgba(4,26,61,.88),rgba(4,26,61,.92)),
    radial-gradient(circle at 70% 20%,#0a5cc0,transparent 60%),
    #041a3d; */
    url('../images/anli.jpg') center/cover no-repeat;
}
.cases .sec-title h2{color:#fff;}
.sec-title .service::before{
  content:"PRODUCTS & SERVICES";
  position:absolute;
  left:-60%;
  top:-8px;
  font-size:44px;
  transform:translateY(-50%);
  width:541px;
  height:38px;
  opacity:.2;
  border-radius:50%;
  color:#2787E9;
}
.anli::before{
  content:"APPLICATION SCENARIOS";
  position:absolute;
  left:-60%;
  top:5px;
  font-size:34px;
  transform:translateY(-50%);
  width:500px;
  height:38px;
  opacity:.2;
  border-radius:50%;
  color:#2787E9;
}
.xinwen::before{
  content:"NEWS";
  position:absolute;
  left:-120%;
  top:5px;
  font-size:34px;
  transform:translateY(-50%);
  width:500px;
  height:38px;
  opacity:.2;
  border-radius:50%;
  color:#2787E9;
}
.partners::before{
  content:"ECOSYSTEM PARTNERS";
  position:absolute;
  left:-70%;
  top:5px;
  font-size:34px;
  transform:translateY(-50%);
  width:500px;
  height:38px;
  opacity:.2;
  border-radius:50%;
  color:#2787E9;
}
.contactUs::before{
  content:"CONTACT US";
  position:absolute;
  left:-110%;
  top:5px;
  font-size:34px;
  transform:translateY(-50%);
  width:500px;
  height:38px;
  opacity:.2;
  border-radius:50%;
  color:#2787E9;
}
.cases .sec-title p{color:rgba(255,255,255,.65);}
.case-stage{position:relative;max-width:1000px;margin:0 auto;}
.case-viewport{overflow:hidden;border-radius:var(--radius);}
.case-track{display:flex;transition:transform .5s ease;}
.case-slide{flex:0 0 100%;display:grid;grid-template-columns:1.1fr 1fr;background:#fff;}
.case-img{
  min-height:320px;position:relative;
  background:
    radial-gradient(circle at 50% 40%,rgba(94,194,255,.5),transparent 55%),
    linear-gradient(160deg,#0a3d7c,#041a3d);
  display:flex;align-items:center;justify-content:center;
}
.case-img svg{width:70%;max-width:320px;}
.case-info{padding:48px 44px;display:flex;flex-direction:column;justify-content:center;}
.case-info h3{font-size:22px;color:#1a1a1a;margin-bottom:14px;}
.case-info p{color:var(--text-light);font-size:14px;margin-bottom:24px;}
.case-arrow{
  position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;
  border:none;background:linear-gradient(135deg,#0a5cc0,#1e88e5);color:#fff;font-size:20px;cursor:pointer;
  box-shadow:0 8px 22px rgba(10,92,192,.4);transition:transform .2s;z-index:5;
}
.case-arrow:hover{transform:translateY(-50%) scale(1.08);}
.case-arrow.prev{left:-26px;}
.case-arrow.next{right:-26px;}
.case-dots{display:flex;gap:10px;justify-content:center;margin-top:30px;}
.case-dots button{
  width:26px;height:4px;border:none;border-radius:2px;background:rgba(255,255,255,.3);cursor:pointer;
  transition:background .3s,width .3s;
}
.case-dots button.active{background:#1e88e5;width:40px;}

/* ========== 资讯 ========== */
.news{background:#f5f5f5;}
.news-tabs{display:flex;gap:16px;justify-content:center;margin-bottom:44px;flex-wrap:wrap;}
.news-tabs button{
  padding:10px 30px;border:1px solid var(--line);background:#fff;border-radius:22px;font-size:15px;
  color:#555;cursor:pointer;transition:all .3s;
}
.news-tabs button.active{background:linear-gradient(135deg,#0a5cc0,#1e88e5);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(10,92,192,.3);}
.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
/* index1：HTML 内嵌多面板，通过类切换 */
.news-pane{display:none;grid-column:1/-1;}
.news-pane.active{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
.news-feature .thumb img,.news-list .thumb-s img{width:100%;height:100%;object-fit:cover;display:block;}
.news-list .thumb-s::before{display:none;}
.news-feature{position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;height:442px;}
.news-feature .thumb{
  height:320px;
  background:radial-gradient(circle at 30% 60%,#1565c0,#041a3d 70%);
  position:relative;
  display:block
}
.news-feature .thumb::after{
  content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(4,26,61,.85),transparent 55%);
}
.news-feature .date{
  position:absolute;left:22px;bottom:96px;z-index:2;color:#fff;
  background: #2787E9;
border-radius: 50%;
width:70px;
height: 70px;
text-align: center;
opacity: 0.8;
}
.news-feature .date b{display:block;font-size:24px;line-height:1;font-family:Georgia,serif;margin-top:9px;}
.news-feature .date span{font-size:13px;opacity:.8;}
.news-feature .title-box{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#333;}
.news-feature .title-box h4{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.news-feature .title-box p{font-size:13px;color:#666;    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;}
.news-list li{
  display:flex;gap:20px;margin-bottom:24px;border-bottom:1px solid var(--line);cursor:pointer;
  padding:10px;
  transition:padding-left .3s;
  background:#fff;
}
.news-list li:hover{padding-left:8px;}
.news-list .thumb-s{
  flex:0 0 130px;height:86px;border-radius:4px;
  background:linear-gradient(150deg,#0a3d7c,#1e88e5);
  position:relative;overflow:hidden;
}
.news-list .thumb-s::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.3) 1.5px,transparent 1.5px);background-size:18px 18px;}
.news-list .info{flex:1;min-width:0;}
.news-list .info h5{
  font-size:15px;color:#222;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:6px;
}
.news-list .info p{
  font-size:13px;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;
}
.news-list .meta{font-size:12px;color:#999;margin-top:8px;}

/* ========== 伙伴 ========== */
.partners{background:#f6f9fe;}
.partner-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:24px;
}
.partner-item{
  background:#fff;border-radius:var(--radius);height:96px;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;color:#9aa7b8;letter-spacing:1px;
  box-shadow:0 4px 16px rgba(10,61,129,.05);transition:all .3s;
}
.partner-item:hover{color:var(--primary);transform:translateY(-6px);box-shadow:0 14px 32px rgba(10,61,129,.14);}

/* ========== 联系 ========== */
.contact{background:#fff;}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:center;}
.contact-info h3{font-size:22px;color:#1a1a1a;margin-bottom:28px;}
.contact-info li{display:flex;gap:14px;margin-bottom:18px;font-size:15px;color:#555;align-items:flex-start;}
.contact-info li svg{flex:0 0 20px;margin-top:3px;}
.qr-row{display:flex;gap:18px;margin-top:30px;align-items:center;}
.qr{
  width:96px;height:96px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:6px;
  box-shadow:0 6px 18px rgba(0,0,0,.06);
}
.qr svg{width:100%;height:100%;}
.qr-row span{font-size:13px;color:var(--text-light);}
.contact-map{
  height:420px;border-radius:var(--radius);position:relative;overflow:hidden;
  background:linear-gradient(160deg,#eaf3fd,#dceafe);
  box-shadow:0 20px 50px rgba(10,61,129,.12);
}
.baidu-map{width:100%;height:100%;}

/* ========== 页脚 ========== */
footer{background:url("../images/footerBg.jpg") center/cover no-repeat;
  color:rgba(255,255,255,.7);padding:70px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(6,1fr);gap:30px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot-brand .logo{margin-bottom:18px;color:#fff;}
.foot-brand p{font-size:13px;line-height:1.9;margin-bottom:10px;}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.foot-col a{display:block;font-size:13px;padding:5px 0;transition:color .2s,padding-left .2s;}
.foot-col a:hover{color:#5ec2ff;padding-left:6px;}
.copyright{padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45);}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .hero-slide h1{font-size:48px;}
  .about-grid{gap:44px;}
  .partner-grid{grid-template-columns:repeat(4,1fr);}
  .case-arrow.prev{left:10px;}
  .case-arrow.next{right:10px;}
}
@media (max-width:768px){
  section{padding:70px 0;}
  .sec-title h2{font-size:28px;}
  .sec-title{margin-bottom:40px;}
  /* 导航 */
  .hamburger{display:flex;z-index:1002;position:relative;}
  .menu{
    position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;background:#fff;flex-direction:column;
    align-items:stretch;padding:100px 24px 30px;transform:translateX(100%);transition:transform .35s;
    box-shadow:-10px 0 40px rgba(0,0,0,.15);overflow-y:auto;
  }
  .menu.open{transform:none;}
  .menu>li>a{height:auto;line-height:1.4;padding:14px 4px;color:#333 !important;border-bottom:1px solid var(--line);}
  .menu>li>a::after{display:none;}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border-radius:0;
    padding-left:16px;display:none;}
  .menu>li.sub-open>.submenu{display:block;}
  .submenu-sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border-radius:0;
    padding-left:16px;display:none;}
  .has-sub-sub.sub-open>.submenu-sub{display:block;}
  .menu .cta a{margin:20px 0 0;text-align:center;}
  header .nav{height:66px;}
  /* 首屏 */
  .hero-slide h1{font-size:34px;letter-spacing:4px;}
  .hero-slide .slogan{font-size:15px;padding:0 16px;}
  .hero-btns{flex-direction:column;align-items:center;}
  /* 关于 */
  .about-grid{grid-template-columns:1fr;}
  .about-visual .main-img{height:300px;}
  .about-visual .float-img{right:0px;width:220px;height:260px;}
  .about-visual .badge{left:10px;bottom:-20px;width:120px;height:90px;}
  .stats{gap:32px;}
  /* 产品 */
  .prod-grid{grid-template-columns:1fr;}
  .prod-body p.desc{min-height:0;}
  /* 案例 */
  .case-slide{grid-template-columns:1fr;}
  .case-img{min-height:200px;}
  .case-info{padding:28px 24px;}
  /* 资讯 */
  .news-layout{grid-template-columns:1fr;}
  .news-pane.active{grid-template-columns:1fr;}
  .news-feature .thumb{height:280px;}
  /* 伙伴 */
  .partner-grid{grid-template-columns:repeat(2,1fr);}
  .partner-item{height:78px;font-size:15px;}
  /* 联系 */
  .contact-grid{grid-template-columns:1fr;gap:44px;}
  .contact-map{height:300px;}
  /* 页脚 */
  .foot-grid{grid-template-columns:repeat(2,1fr);}
  .foot-brand{grid-column:1/-1;}
}
@media (max-width:480px){
  .hero-slide h1{font-size:28px;}
  .sec-title h2{font-size:24px;}
  .stats b{font-size:36px;}
  .stat{flex:1;min-width:100px;}
  .news-list .thumb-s{flex-basis:100px;height:72px;}
  .partner-grid{gap:14px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:22px;}
}

/* ========== 产品列表页 ========== */
.product-page{background:#f8f9fa;padding-bottom:100px;}
.category-tabs{display:flex;align-items:center;gap:0;margin-bottom:40px;padding-top:60px;flex-wrap:wrap;}
.category-tabs .tab-item{position:relative;padding:0 28px;font-size:26px;color:#333;cursor:pointer;transition:color .3s;white-space:nowrap;}
.category-tabs .tab-item:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:20px;background:#ccc;}
.category-tabs .tab-item.active{color:var(--primary);font-weight:600;}
.category-tabs .tab-item:hover{color:var(--primary);}
.filter-bar{display:flex;gap:14px;margin-bottom:28px;flex-wrap:wrap;}
.filter-bar .filter-btn{padding:10px 28px;border:1px solid #d9d9d9;background:#fff;border-radius:4px;font-size:14px;color:#555;cursor:pointer;transition:all .3s;}
.filter-bar .filter-btn:hover{border-color:var(--primary);color:var(--primary);}
.filter-bar .filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);}
.search-bar{display:flex;gap:12px;margin-bottom:36px;align-items:center;flex-wrap:wrap;}
.search-bar .search-input{flex:1;min-width:260px;position:relative;}
.search-bar .search-input input{width:100%;padding:12px 16px 12px 40px;border:1px solid #e6e9ef;border-radius:4px;font-size:14px;color:#333;background:#fff;transition:border-color .3s;}
.search-bar .search-input input:focus{outline:none;border-color:var(--primary);}
.search-bar .search-input .svg-search{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#999;width:16px;height:16px;}
.search-bar .search-input input::placeholder{color:#bbb;}
.search-bar .btn-search{padding:12px 32px;background:var(--primary);color:#fff;border:none;border-radius:4px;font-size:14px;cursor:pointer;transition:all .3s;}
.search-bar .btn-search:hover{background:#084a9b;}
.search-bar .btn-reset{padding:12px 32px;background:#b0b0b0;color:#fff;border:none;border-radius:4px;font-size:14px;cursor:pointer;transition:all .3s;}
.search-bar .btn-reset:hover{background:#999;}
.product-grid-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.product-card-item{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .35s,box-shadow .35s;position:relative;display:flex;flex-direction:column;}
.product-card-item:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(10,61,129,.14);}
.product-card-item .card-image{height:200px;overflow:hidden;position:relative;background:#f0f2f5;}
.product-card-item .card-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s;}
.product-card-item:hover .card-image img{transform:scale(1.05);}
.product-card-item .card-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column;position:relative;min-height:130px;}
.product-card-item .card-title{font-size:18px;color:var(--primary);font-weight:600;margin-bottom:12px;}
.product-card-item .card-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;}
.product-card-item .card-tags .tag{padding:5px 14px;background:#f5f5f5;border-radius:4px;font-size:13px;color:#666;}
.product-card-item .card-arrow{position:absolute;right:22px;bottom:22px;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;}
.product-card-item .card-arrow.default{border:1px solid #ddd;background:#fff;color:#999;}
.product-card-item .card-arrow.default:hover{border-color:var(--primary);color:var(--primary);}
.product-card-item .card-arrow.primary{background:var(--primary);color:#fff;border:1px solid var(--primary);}
.product-card-item .card-arrow.primary:hover{background:#084a9b;border-color:#084a9b;}

@media (max-width:1024px){
  .product-grid-list{grid-template-columns:repeat(2,1fr);}
  .category-tabs .tab-item{font-size:22px;padding:0 20px;}
}
@media (max-width:768px){
  .product-page{padding-bottom:70px;}
  .category-tabs{padding-top:40px;margin-bottom:28px;}
  .category-tabs .tab-item{font-size:18px;padding:0 14px;}
  .filter-bar{gap:10px;}
  .filter-bar .filter-btn{padding:8px 18px;font-size:13px;}
  .search-bar .search-input{min-width:100%;}
  .search-bar{gap:10px;}
  .search-bar .btn-search,.search-bar .btn-reset{padding:10px 24px;flex:1;}
  .product-grid-list{grid-template-columns:1fr;gap:20px;}
  .product-card-item .card-image{height:180px;}
}
@media (max-width:480px){
  .category-tabs .tab-item{font-size:16px;padding:0 10px;}
  .category-tabs .tab-item:not(:last-child)::after{height:16px;}
}