@charset "UTF-8";
.header{height: 55px;position: fixed;width: 100%; top: 0; z-index: 999;height:clamp(55px, 2.95vw, 100px);}
.head-nav{position: relative;background: #000;height: 100%;display: flex;    justify-content: center;flex-wrap: wrap;font-size:1rem;    color: #fff;align-items: center;}
.head-list{display: flex;flex-wrap: wrap;height: 100%;justify-content: space-between;width: 60%;}
.head-list li{ display: flex;flex-wrap: wrap; height: 100%;}
.head-list>li>a{height:100%;}
.head-list a{display: flex;align-items: center;font-size: clamp(14px, .85vw, 28px)}
.head-list .mega-menu-wrap a{ font-size: clamp(13px, .8vw, 26px) }
.logo img{height: 22px;    height: 50%;}
.mega-menu{position: absolute;top: 100%;left: 0;right: 0;background: rgba(0, 0, 0, 0.5); display: flex;justify-content: center;height: 60px;
    opacity: 0;
	visibility: hidden;
    transform: scaleY(0);
    transform-origin: top;
    -webkit-transition: all 0.3s ease-out 0s;
    -moz-transition: all 0.3s ease-out 0s;
    -ms-transition: all 0.3s ease-out 0s;
    -o-transition: all 0.3s ease-out 0s;
    transition: all 0.3s ease-out 0s;
        height: clamp(55px, 2.95vw, 100px);
}
.head-list>li:hover>a{color:#0071BC;}
.head-list>li:hover .mega-menu{
	opacity: 1;
	visibility: visible;
	transform: scaleY(1);
}
.menu-btn{position: absolute;left:0;}
.head-phone{position: absolute;right: 2rem;top: 0;bottom: 0;align-items: center;display: flex;font-weight: 600;font-size: clamp(16px, .85vw, 28px);}
.mega-menu-wrap{display: flex;    width: 100%;    justify-content: center;}
.mega-menu-wrap ul{display: flex;justify-content: space-between;width: 38%;}
.mobile-logo{display: none;height: 100%;}
.mobile-btn{
    width: 32px;
    height: 24px;
    position: relative;
    cursor: pointer;
    display: none;
}

.mobile-btn span{
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #ddd;
    border-radius: 2px;
    transition: all .3s ease;
}

.mobile-btn span:nth-child(1){
    top: 0;
}

.mobile-btn span:nth-child(2){
    top: 50%;
    transform: translateY(-50%);
}

.mobile-btn span:nth-child(3){
    bottom: 0;
}
.mobile-btn.active span:nth-child(1){
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.mobile-btn.active span:nth-child(2){
    opacity: 0;
}

.mobile-btn.active span:nth-child(3){
    bottom: auto;
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
}


.banner{
    height:100vh;
    min-height:700px;
    position:relative;
    overflow:hidden;
}

.banner-item{
    position:absolute;
    inset:0;
    opacity:0;
    visibility:hidden;
    transition:1s;
        background: #000;
}

.banner-item.active{
    opacity:1;
    visibility:visible;
}

.banner-bg{
    position:absolute;
    inset:0;
}

.banner-bg img{
    width:100%;
    height:100%;
    object-fit:cover;

    transform:scale(1.08);
    transition:6s;
}

.banner-item.active .banner-bg img{
    transform:scale(1);
}
.banner-content .en-sub-banner{color: #111;font-size: 24px;font-size: clamp(14px, 4vw, 24px);font-weight: bold;    margin-top: 0;}
.banner-content .banner2-title{font-size: clamp(24px, 4vw, 60px);line-height: 1;display: flex;}
.banner-content .banner2-title span{display: block;
    border: 0.5px solid #000;
    margin: 0 1rem;}
.banner-content{
    position:absolute;
    left:17%;
    top:50%;
    transform:translateY(-50%);
    z-index:2;

    opacity:0;
    transform:translateY(-50px);
    transition:.8s;
}

.banner-item.active .banner-content{
    opacity:1;
    transform:translateY(-50%);
}

.banner-content .line{
    width:42px;
    height:6px;
    background:#005D9F;
    display:block;
    margin-bottom:40px;
}

.banner-content h2,.banner-content h1{
    font-size:38px;
    font-size: clamp(16px, 4vw, 38px);
    line-height:1.5;
    color:#111;
    font-weight:700;
}

.banner-content p{
    margin-top:10px;
    font-size:18px;
    line-height:1.8;
    color:#333;
    font-family: "Bronova";
}

.banner-btn{
    margin-top:50px;
    display:inline-block;
    padding:8px 25px;
    background:#005D9F;
    color:#fff;
    font-size:18px;
    font-size: clamp(12px, 2vw, 18px);
}

.banner-dots{
    position:absolute;
    bottom:50px;
    left:50%;
    transform:translateX(-50%);
    display:flex;
    gap:10px;
    z-index:20;
}

.banner-dots span{
    width:12px;
    height:12px;
    border-radius:50%;
    background:#ccc;
    cursor:pointer;
}

.banner-dots span.active{
    background:#005D9F;
}

@media (max-width: 1200px) {
    .header{height: 50px;}
    .head-list{width: 100%;height:80%;background: #000000;position: fixed;top: 50px;right: -102%; transition:right .3s ease;overflow:hidden;}
    .head-list.active{right:0;        border-top: 1px solid #ddd;}
    .head-list li{width:100%;line-height: 3;border-top: 1px solid #ddd;height: auto;}
    
    .head-list>li {
        width: 90% !important;
        margin: 0 auto;
    }
    .head-list li a{width: 100%;height:auto;}
    .head-list .logo,.head-phone{display: none;}
    .mobile-btn{display: block;margin-right: 10px;        width: 26px;height: 18px;}
    .mobile-logo{display: block;margin-left: 10px;padding: 15px 0;}
    .mobile-logo img{max-height: 100%;}
    .header-nav{
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: #fff;
        transition: .3s;
        overflow-y: auto;
    }
   .head-nav{justify-content: space-between;}
   .header-nav.active{left: 0;}
   .mega-menu{
            opacity: 1;
        visibility: visible;
        transform: scaleY(1);
        position: relative;
        top: 0;
        height: auto;
        width: 100%;
   }
   .mega-menu-wrap ul{flex-wrap: wrap;  width: 85%;}
   .banner-content p{display: none;}
   .banner-content .line{margin-bottom: 10px;}
   .banner-btn{ font-size: 12px; padding: 10px;margin-top: 10px;}
   .banner-content{left: 5%;right: 5%;}
   .banner{height: auto;min-height: auto;width: 100%; aspect-ratio: 2000 / 1190;margin-top: 50px;}
   .banner-content .certificate-introduction p,.banner-content .en-sub-banner{display: block;}
   .banner-dots{    bottom: 5px;}
}


/* 首页品牌 */
.brand-section {
  width: 100%;
  padding: 100px 20px 100px 0px;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  background: #ffffff;
      padding-top: clamp(24px, 6vw, 200px);
    padding-bottom: clamp(24px, 6vw, 200px);
}
.brand-wrap {
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* 左侧图片 */
.brand-pic img {
  width: 100%;
  display: block;
}

/* 标题样式 严格对标设计图 */
.title-block .cn-title {
  font-size: 42px;
  font-weight: 700;
  color: #000000;
  line-height: 1.1;
  font-size: clamp(24px, 3vw, 76px);
}
.title-block .en-sub {
  font-size: 16px;
  color: #9FA0A0;
  margin: 6px 0 12px;
  letter-spacing: 2px;
  font-family: "Nexa";
  font-size: clamp(16px, 1.3vw, 32px);
}
.blue-line {
  display: block;
  width: 42px;
  height: 5px;
  background-color: #005D9F;
  margin-bottom: 30px;
}

/* 正文段落 */
.desc-text {
  font-size: 14px;
  color: #525252;
  line-height: 2;
  margin-bottom: 20px;
  /* font-weight: 300; */
  letter-spacing: 1px;
  font-size: clamp(14px, .8vw, 28px);
}
.brand-text{  padding: 0 135px; padding: 0 8vw;}
/* 数据网格 2x2 排版 和原图一致 */
.data-grid {
    display: flex;
    /* grid-template-columns: 1fr 1fr; */
    /* gap: 35px 20px; */
    margin-top: 65px;
    font-family: "Nexa";
    justify-content: space-between;
}
.data-grid::after{
    content: '';
    position: absolute;
    width: 40%;
    height: 88%;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
    top: 50%;
    left: 53%;
    transform: translate(-50%, -50%);
}

.data-item {
  display: flex;
  flex-direction: column;
}
.num-box {
  display: flex;
 align-items: self-end;
}
.big-num {
  font-size: 60px;
  font-weight: 700;
  color: #005D9F;
  line-height: 1;
  font-size: clamp(60px, 3.3vw, 120px);
}
.unit-txt {
  font-size: 12px;
  color: #005D9F;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  font-size: clamp(12px, .8vw, 40px);
  margin-bottom: clamp(12px, .75vw, 120px);
}
.unit-txt i{ font-style: normal;        width: 22px;
    height: 22px;
    text-align: center;
    line-height: 22px;
    
       line-height: clamp(12px, 1.2vw, 60px);
     width: clamp(12px, 1.2vw, 60px);
    height: clamp(12px, 1.2vw, 60px);
}
.unit-txt i:last-child{
      background: #005D9F;
    color: #fff;
    border-radius: 50%;

}
.unit-txt i.add{
    font-size: 30px;
    font-size: clamp(12px, 2vw, 80px);
}
.data-desc {
  font-size: 14px;
  color: #525252;
  margin-top: 6px;
  font-size: clamp(14px, .8vw, 28px);
}

/* 响应式适配 */
@media screen and (max-width: 1024px) {
  .brand-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cn-title {
    font-size: 34px !important;
  }
  .big-num {
    font-size: 48px !important;
  }
  .brand-text{  padding: 0 10px; padding: 0 2vw;}
}
@media screen and (max-width: 640px) {
  .data-grid {
    gap: 25px 10px;
    margin-top: 30px;
    flex-wrap: wrap;
  }
  .big-num {
    font-size: 40px !important;
  }
  .brand-section {
    padding: 40px 10px;
  }
  .data-grid::after{
    display: none;
  }
  .unit-txt i {
    width: 18px;
    height: 18px;
    line-height: 18px;

  }
  .unit-txt i.add {
    font-size: 22px;
 }
 .unit-txt{    margin-bottom: 8px;}
}
/* 首页品牌end */
/*业务版图*/
.map-section {
    width: 100%;
    background-color: #f3f3f3;
    height: 100vh;
    background-size: cover;
    background-repeat: no-repeat;
    background-size: 100%;
    min-height: 680px;
}
.map-container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 100px 0px 50px 0px;
}
/* 地图容器定位 */
.map-wrap {
    position: relative;
    width: 100%;
}
.world-map-bg {
    width: 100%;
    height: auto;
    display: block;
}
.map-line-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* 点位脉冲扩散动画 */
.pulse-dot {
    transform-origin: center;
}


/* 底部双栏信息面板 */
.map-info-box {
    display: flex;
    background: #ffffff;
    position: relative;
    z-index: 2;
}
.info-col {
    flex: 1;
    padding: 35px 40px;
}
.split-line {
    width: 1px;
    background: #e0e0e0;
    margin: 20px 0;
}
.col-title {
    font-size: 22px;
    color: #005D9F;
    font-weight: 600;
    margin-bottom: 16px;
    font-size: clamp(14px, 1.3vw, 48px);
}
.col-text {
    font-size: 14px;
    color: #525252;
    line-height: 1.7;
    margin-bottom: 6px;
    font-size: clamp(14px, .8vw, 28px);
}

@media screen and (max-width: 1024px) {
    .map-section{height: auto;}
}
/* 响应式适配 */
@media screen and (max-width: 1024px) {
    .map-info-box {
        flex-direction: column;
    }
    .split-line {
        width: 90%;
        height: 1px;
        margin: 0 auto;
    }
    .map-title-block .map-cn-title {
        font-size: 34px;
    }
    .info-col {
        padding: 25px 30px;
    }
}
@media screen and (max-width: 640px) {
    .map-section {
        padding: 40px 15px;
    }
    .map-title-block .map-cn-title {
        font-size: 28px;
    }
    .col-title {
        font-size: 19px;
    }
}
/*业务版图end*/
/*证书*/
.certificate-section{
    width: 100%;
    background-color: #000;;
    height: 100vh;
    background-size: cover;
    background-repeat: no-repeat;
    background-size: 100%;
    background-position-y: bottom;
    min-height: 680px;
}
 .certificate-container .title-block .cn-title, .certificate-container .title-block .en-sub{color:#fff;}
 .certificate-introduction{color:#ddd;max-width: 400px;font-size:14px;line-height: 2;letter-spacing: 1px;    font-weight: 300;font-size: clamp(14px, .8vw, 28px);}
 .certificate-container{padding: 100px 0px 50px 0px;    padding-top: 21vh;}
 @media screen and (max-width: 1200px) {
    .certificate-section{height: auto;}
    .certificate-container{padding: 40px 15px;}
 }
@media screen and (max-width: 680px) {
.certificate-section{
min-height: 490px;
}
}

 /*证书end*/

 /* 案例 */
 .case-section{ height: 100vh;min-height: 680px;}
.case-container{    display: flex;
    height: 100%;
    flex-direction: column;
    justify-content: center;
    align-items: center;}
.case-container .title-block{text-align: center;}
.case-box{
    display: flex;
    justify-content: space-between;
    width: 100%;
}
.case-list{width: 49%;background: #fff;    margin-top: 2rem;transition: all .35s ease;}
.case-list:hover{}
.case-list:hover span{color: #fff;background: #005D9F;}
.case-list img{width: 100%;height: 100%;transition: transform 0.5s ease;}
.case-list:hover img{transform: scale(1.1);}
.case-list>a{}
.case-img{overflow: hidden;aspect-ratio: 16 / 10;}
.case-title{display: flex;justify-content: space-between;padding: 12px 20px;padding: clamp(14px, .7vw, 28px) 20px;}
.case-title h3{    color: #666;font-weight: 600;font-size: 18px;font-size: clamp(16px, 1.1vw, 32px);}
.case-title span{
 display: flex;
    border: 1px solid #888;
    color: #888;
    font-size: 12px;
    align-items: center;
    padding: 0px 15px;
    border-radius: 2px; 
    font-size: clamp(12px, .75vw, 28px);    
}
@media screen and (max-width: 1200px) {
  .case-section{height: auto;padding: 2rem 0;}
  .case-box{flex-wrap: wrap;}
  .case-list{width: 100%;}
}
 /* 案例end */

 /* 底部 */
  .footer{
    background:#000;
    color:#fff;
    padding:80px 0 50px;
    overflow:hidden;
}
.footer .container{
    margin:0 auto;
    padding:0 30px;
}
/* =====================================
   Top
===================================== */

.footer-top{
    display:-webkit-box;
    display:-ms-flexbox;
    display:flex;

    -webkit-box-pack:justify;
    -ms-flex-pack:justify;
    justify-content:space-between;

    -webkit-box-align:start;
    -ms-flex-align:start;
    align-items:flex-start;
}


/* =====================================
   Nav
===================================== */

.footer-nav{
    display:-webkit-box;
    display:-ms-flexbox;
    display:flex;

    -webkit-box-flex:1;
    -ms-flex:1 1 auto;
    flex:1 1 auto;
}

.footer-col{
    margin-right:90px;
}

.footer-col:last-child{
    margin-right:0;
}

.footer-col h4{
    position:relative;
    display:inline-block;
    font-size:18px;
    font-weight:600;
    color:#FFF;
    padding-bottom:6px;
    margin-bottom:12px;
    font-size: clamp(18px, .9vw, 28px);
}

.footer-col h4:after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:100%;
    height:2px;
    background: #0071bc;
}

.footer-col li{
    margin-bottom:12px;
}

.footer-col a{
    font-size:16px;
	font-size: 1rem;
    color:#b3b3b3;
    color:rgba(255,255,255,.7);

    -webkit-transition:all .3s ease;
    transition:all .3s ease;
    font-size: clamp(14px, .85vw, 28px)
}

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


/* =====================================
   Contact
===================================== */

.footer-contact{
    width:420px;
    min-width:0;
    -ms-flex-negative:0;
    flex-shrink:0;
    width: clamp(420px, 20vw, 800px);
}

.footer-phone{
    margin-bottom:35px;

    display:-webkit-box;
    display:-ms-flexbox;
    display:flex;

    -webkit-box-pack:end;
    -ms-flex-pack:end;
    justify-content:flex-end;

    -webkit-box-align:center;
    -ms-flex-align:center;
    align-items:center;
    flex-wrap: wrap;
}

.footer-phone span{
    font-size:50px;
    font-weight:700;
    line-height:1;
    white-space:nowrap;
        font-size: clamp(16px, 3vw, 60px);
    width: 100%;
    text-align: right;
}

.footer-phone em{
    font-style:normal;
    font-size:20px;
    margin-left:12px;

    color:#bfbfbf;
    color:rgba(255,255,255);
    font-size: clamp(16px, 1.5vw, 40px);
}


/* =====================================
   QR
===================================== */

.footer-qrcode{
    display:-webkit-box;
    display:-ms-flexbox;
    display:flex;

    margin-left:-4px;
    margin-right:-4px;
}

.qr-item{
    padding:0 4px;
    text-align:center;

    -webkit-box-flex:1;
    -ms-flex:1 1 0;
    flex:1 1 0;
}

.qr-item img{
    display:block;
    width:100%;
    max-width:180px;
    height:auto;
    margin:0 auto;
	aspect-ratio: 4 / 4;
    border:1px solid rgba(255,255,255,.15);
	border-radius: 4px;
}

.qr-item p{
    margin-top:10px;
    font-size:14px;
    color:#bfbfbf;
    color:rgba(255,255,255,.75);
    font-size: clamp(14px, .7vw, 28px);
}


/* =====================================
   Divider
===================================== */

.footer-line{
    width:100%;
    height:2px;
    background:#222;
    background:rgba(255,255,255,.1);
    margin:90px 0 60px;
}


/* =====================================
   Logo
===================================== */

.footer-logo{
    text-align:center;    display: flex;
    justify-content: center
}

.footer-logo img{
    width:100%;
    max-width:180px;
}


/* =====================================
   Copyright
===================================== */

.copyright{
    margin-top:20px;
    text-align:center;
    font-size:12px;
    line-height:1.8;
     font-size: clamp(12px, .7vw, 28px);
    color:#b3b3b3;
    color:rgba(255,255,255,.7);
}

.copyright a{
    color:#b3b3b3;
    color:rgba(255,255,255,.7);
    display: inline-block;
    -webkit-transition:all .3s ease;
    transition:all .3s ease;
   
}

.copyright a:hover{
    color:#fff;
}

.copyright img{
    width:16px;
    position:relative;
    top:-1px;
    display: inline-block;
}


/* =====================================
   ≤1200
===================================== */

@media screen and (max-width:1200px){

    .footer-top{
        display:block;
    }

    .footer-contact{
        width:100%;
        margin-top:60px;
    }

    .footer-phone{
        justify-content:flex-start;
    }
     .footer-phone span{
         width: 100%;
         text-align: left;
     }
}


/* =====================================
   ≤768
===================================== */

@media screen and (max-width:768px){

    .footer{
        padding:60px 0 40px;
    }

    .footer-nav{
        -ms-flex-wrap:wrap;
        flex-wrap:wrap;
    }

    .footer-col{
        width:50%;
        margin-right:0;
        margin-bottom:40px;
    }

    .footer-phone{
        display: flex;
        flex-wrap: wrap;
    }

    .footer-phone em{
        display:block;
        margin-left:0;
        margin-top:10px;
    }
    .footer-phone em br{display:none;}
    .footer-phone span{
        font-size:42px;
         width: 100%;
    }

    .footer-qrcode{
        -ms-flex-wrap:wrap;
        flex-wrap:wrap;
    }

    .qr-item{
        width:50%;
        margin-bottom:20px;
    }

    .footer-line{
        margin:60px 0 40px;
    }

}


/* =====================================
   ≤480
===================================== */
@media screen and (max-width:480px){

    .footer .container{
        padding:0 20px;
    }

    .footer-col{
        width:50%;
    }

    .footer-phone span{
        font-size:34px;
    }

    .footer-col h4{
        font-size:18px;
    }

    .footer-col a{
        font-size:14px;
    }

} 
 /* 底部end */
 /* 产品服务 */
.product-banner{}
.product-banner h1{color: #f5f5f5;}
.product-banner p{color: #ccc;}

/* 服务 */
.server-banner .banner-content{ }
 /* 联系我们 */
.contact-banner .banner-content{ left:auto; right: 32%;}