*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;
  color:#263544;
  background:#fff;
}

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

img{
  display:block;
  max-width:100%;
}

.container{
  width:min(1200px,92%);
  margin:auto;
}

.topbar{
  height:38px;
  background:#f4f6f8;
  color:#6d7883;
  font-size:13px;
}

.topbar-inner{
  height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.topbar strong{
  color:#1767a0;
}

.header{
  background:#fff;
  position:relative;
  z-index:50;
  box-shadow:0 2px 10px rgba(0,0,0,.06);
}

.header-main{
  height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand{
  display:flex;
  align-items:center;
  gap:13px;
}

.brand-mark{
  width:62px;
  height:52px;
  background:#1266a0;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:23px;
  letter-spacing:1px;
}

.brand-text{
  display:flex;
  flex-direction:column;
}

.brand-text strong{
  font-size:20px;
  color:#1b3349;
}

.brand-text span{
  margin-top:5px;
  font-size:12px;
  color:#87919b;
  letter-spacing:1px;
}

.nav{
  height:100%;
  display:flex;
  align-items:center;
  gap:37px;
}

.nav a{
  height:100%;
  display:flex;
  align-items:center;
  position:relative;
  font-size:15px;
  color:#283b4d;
}

.nav a:after{
  content:"";
  position:absolute;
  left:50%;
  right:50%;
  bottom:0;
  height:3px;
  background:#1471ad;
  transition:.25s;
}

.nav a:hover:after,
.nav a.active:after{
  left:0;
  right:0;
}

.nav a.active{
  color:#1471ad;
}

.menu-button{
  display:none;
}

.banner{
  height:590px;
  position:relative;
  overflow:hidden;
  background:#18364d;
}

.banner-slide{
  position:absolute;
  inset:0;
  opacity:0;
  visibility:hidden;
  background-size:cover;
  background-position:center;
  transition:opacity .8s ease;
}

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

.banner-slide.fallback{
  background:
    linear-gradient(110deg,#102f4a,#1b709f);
}

.banner-content{
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
  color:#fff;
}

.banner-content h1{
  max-width:780px;
  margin:0;
  font-size:50px;
  line-height:1.25;
  letter-spacing:2px;
}

.banner-content p{
  margin:20px 0 0;
  font-size:20px;
  letter-spacing:2px;
}

.banner-button{
  margin-top:35px;
  display:inline-flex;
  padding:14px 31px;
  border:1px solid rgba(255,255,255,.75);
  color:#fff;
  transition:.2s;
}

.banner-button:hover{
  background:#fff;
  color:#174b70;
}

.banner-dots{
  position:absolute;
  bottom:25px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:10px;
  z-index:5;
}

.banner-dots button{
  width:28px;
  height:4px;
  padding:0;
  border:0;
  background:rgba(255,255,255,.45);
  cursor:pointer;
}

.banner-dots button.active{
  background:#fff;
}

.section{
  padding:82px 0;
}

.section-heading{
  text-align:center;
  margin-bottom:43px;
}

.section-heading span,
.section-label{
  color:#1874ad;
  font-size:13px;
  font-weight:700;
  letter-spacing:3px;
}

.section-heading h2{
  margin:10px 0 10px;
  font-size:34px;
  color:#18354c;
}

.section-heading p{
  color:#89939d;
  margin:0;
}

.category-nav{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:34px;
}

.category-nav a{
  padding:10px 24px;
  background:#f2f5f7;
  transition:.2s;
}

.category-nav a:hover{
  background:#166da6;
  color:#fff;
}

.product-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}

.product-card{
  background:#fff;
  border:1px solid #e5eaee;
  transition:.25s;
}

.product-card:hover{
  transform:translateY(-5px);
  box-shadow:0 15px 35px rgba(21,55,78,.12);
}

.product-image{
  height:250px;
  background:#f2f5f7;
  overflow:hidden;
}

.product-image img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.product-placeholder{
  height:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  background:
    linear-gradient(145deg,#f5f8fa,#dce7ed);
  color:#235878;
}

.product-placeholder span{
  font-size:35px;
  font-weight:800;
  opacity:.18;
}

.product-placeholder strong{
  margin-top:10px;
  font-size:22px;
}

.product-placeholder small{
  margin-top:15px;
  color:#8797a2;
}

.product-info{
  padding:22px;
}

.product-info>span{
  color:#1680bd;
  font-size:12px;
}

.product-info h3{
  margin:8px 0 10px;
  font-size:18px;
  color:#1d3447;
}

.product-info p{
  margin:0;
  color:#89939c;
  font-size:14px;
  min-height:42px;
  line-height:1.7;
}

.more{
  margin-top:16px;
  font-size:13px;
  color:#176da4;
}

.center-button{
  text-align:center;
  margin-top:38px;
}

.outline-button{
  display:inline-block;
  border:1px solid #176da4;
  color:#176da4;
  padding:12px 31px;
}

.outline-button:hover{
  color:#fff;
  background:#176da4;
}

.about-section{
  background:#f2f5f7;
}

.about-grid{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  align-items:center;
  gap:65px;
}

.about-picture{
  min-height:410px;
  overflow:hidden;
}

.about-main-image{
  display:block;
  width:100%;
  height:410px;
  object-fit:cover;
}

.factory-placeholder{
  min-height:410px;
  background:
    linear-gradient(135deg,#173b54,#2478a4);
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  color:#fff;
}

.factory-placeholder span{
  font-size:75px;
  font-weight:900;
  opacity:.15;
}

.factory-placeholder strong{
  font-size:24px;
  letter-spacing:4px;
}

.factory-placeholder small{
  margin-top:14px;
  opacity:.65;
}

.about-content h2{
  margin:12px 0 18px;
  font-size:35px;
  color:#18354c;
}

.about-content h3{
  font-size:20px;
}

.about-content p{
  color:#6f7d88;
  line-height:2;
}

.blue-button{
  display:inline-block;
  margin-top:17px;
  background:#176da4;
  color:#fff;
  padding:13px 30px;
}

.advantages{
  background:#173a53;
  color:#fff;
}

.section-heading.light h2{
  color:#fff;
}

.section-heading.light span{
  color:#6fc0eb;
}

.section-heading.light p{
  color:#b7c8d3;
}

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

.advantage-item{
  min-height:210px;
  padding:30px;
  border-right:1px solid rgba(255,255,255,.16);
}

.advantage-item:last-child{
  border:0;
}

.advantage-item strong{
  font-size:40px;
  color:#4b94bd;
}

.advantage-item h3{
  font-size:20px;
}

.advantage-item p{
  color:#b7c6d0;
  line-height:1.8;
}

.news-section{
  background:#fff;
}

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

.news-card{
  padding:27px;
  border:1px solid #e6eaed;
  transition:.2s;
}

.news-card:hover{
  border-color:#176da4;
}

.news-date{
  color:#87939e;
  font-size:13px;
}

.news-card h3{
  color:#20394d;
  line-height:1.6;
}

.news-card p{
  color:#7c8994;
  line-height:1.8;
  font-size:14px;
}

.news-card span{
  color:#176da4;
  font-size:13px;
}

.empty-news{
  text-align:center;
  background:#f5f7f9;
  color:#8a96a0;
  padding:50px;
}

.contact-strip{
  background:#126ba4;
  color:#fff;
  padding:34px 0;
}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 2fr auto;
  gap:35px;
  align-items:center;
}

.contact-grid div{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.contact-grid span{
  opacity:.7;
  font-size:13px;
}

.contact-grid strong{
  font-size:17px;
}

.contact-grid a{
  padding:12px 26px;
  border:1px solid rgba(255,255,255,.6);
}

.footer{
  background:#132b3e;
  color:#aebbc5;
  padding-top:55px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.5fr;
  gap:50px;
}

.footer-logo{
  display:inline-flex;
  background:#fff;
  color:#176da4;
  padding:10px 14px;
  font-size:23px;
  font-weight:bold;
}

.footer h3,
.footer h4{
  color:#fff;
}

.footer a{
  display:block;
  margin:12px 0;
}

.footer p{
  line-height:1.8;
}

.copyright{
  margin-top:45px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px;
  text-align:center;
  font-size:13px;
}

@media(max-width:980px){

  .nav{
    display:none;
    position:absolute;
    top:88px;
    left:0;
    right:0;
    height:auto;
    background:#fff;
    flex-direction:column;
    gap:0;
    align-items:stretch;
    padding:10px 4%;
  }

  .nav.open{
    display:flex;
  }

  .nav a{
    padding:14px 5px;
  }

  .menu-button{
    display:block;
    border:0;
    background:none;
    font-size:27px;
  }

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

  .about-grid{
    grid-template-columns:1fr;
  }

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

  .news-grid{
    grid-template-columns:1fr;
  }

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

}

@media(max-width:600px){

  .topbar{
    display:none;
  }

  .header-main{
    height:72px;
  }

  .brand-mark{
    width:52px;
    height:44px;
  }

  .brand-text strong{
    font-size:16px;
  }

  .brand-text span{
    display:none;
  }

  .nav{
    top:72px;
  }

  .banner{
    height:450px;
  }

  .banner-content h1{
    font-size:32px;
  }

  .banner-content p{
    font-size:16px;
  }

  .section{
    padding:58px 0;
  }

  .product-grid{
    grid-template-columns:1fr;
  }

  .advantage-grid{
    grid-template-columns:1fr;
  }

  .advantage-item{
    border-right:0;
    border-bottom:1px solid rgba(255,255,255,.16);
  }

  .contact-grid{
    grid-template-columns:1fr;
  }

  .footer-grid{
    grid-template-columns:1fr;
  }

}

/* ========================================
   首页 - 应用领域
======================================== */

.applications-section {
  background: #f5f7fa;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.application-item {
  position: relative;
  min-height: 150px;
  padding: 30px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #e8edf3;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.application-item:hover {
  transform: translateY(-5px);
  border-color: #1f5fae;
  box-shadow: 0 15px 35px rgba(20, 48, 82, .10);
}

.application-item strong {
  display: block;
  margin-bottom: 24px;
  color: #1f5fae;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
}

.application-item h3 {
  margin: 0;
  color: #172433;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
}

.application-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: #1f5fae;
  transition: width .3s ease;
}

.application-item:hover::after {
  width: 100%;
}


/* ========================================
   首页 - 工程案例
======================================== */

.cases-section {
  background: #f5f7fa;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.case-item {
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #e7ebf0;
  transition: transform .3s ease, box-shadow .3s ease;
}

.case-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 38px rgba(20, 48, 82, .12);
}

.case-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e9eef4;
}

.case-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

.case-item:hover .case-image img {
  transform: scale(1.04);
}

.case-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #1f5fae;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 3px;
}

.case-info {
  padding: 22px 24px 26px;
}

.case-info h3 {
  margin: 0 0 10px;
  color: #172433;
  font-size: 20px;
  line-height: 1.45;
}

.case-info p {
  margin: 0;
  color: #6b7785;
  font-size: 14px;
  line-height: 1.8;
}


/* ========================================
   首页新增模块 - 响应式
======================================== */

@media (max-width: 991px) {
  .application-grid,
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .application-grid,
  .case-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 28px;
  }

  .application-item {
    min-height: 120px;
    padding: 22px;
  }

  .application-item strong {
    margin-bottom: 16px;
  }

  .application-item h3 {
    font-size: 19px;
  }

  .case-info {
    padding: 18px;
  }
}


/* 首页应用领域图片卡片 */

.application-grid-image{
  align-items:stretch;
}

.application-card{
  background:#fff;
  overflow:hidden;
  border:1px solid #e6edf2;
  box-shadow:0 8px 24px rgba(20,48,68,.06);
  transition:transform .25s ease, box-shadow .25s ease;
}

.application-card:hover{
  transform:translateY(-5px);
  box-shadow:0 14px 34px rgba(20,48,68,.12);
}

.application-card-image{
  height:220px;
  overflow:hidden;
  background:#eaf0f4;
}

.application-card-image img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}

.application-card:hover .application-card-image img{
  transform:scale(1.04);
}

.application-card-placeholder{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#173b54,#2478a4);
  color:#fff;
}

.application-card-placeholder span{
  font-size:48px;
  font-weight:800;
  opacity:.22;
}

.application-card-body{
  position:relative;
  padding:24px 24px 26px;
}

.application-card-no{
  margin-bottom:8px;
  color:#1680bd;
  font-size:12px;
  font-weight:700;
  letter-spacing:2px;
}

.application-card-body h3{
  margin:0 0 10px;
  font-size:20px;
  color:#1d3447;
}

.application-card-body p{
  margin:0;
  color:#71808b;
  font-size:14px;
  line-height:1.8;
}

@media(max-width:991px){
  .application-card-image{
    height:200px;
  }
}

@media(max-width:640px){
  .application-card-image{
    height:210px;
  }

  .application-card-body{
    padding:20px;
  }
}


/* ==================================================
   Homepage Hero 2.0
   ================================================== */

.hero-v2{
  height:720px;
  position:relative;
  overflow:hidden;
  background:#102f48;
}

.hero-v2 .hero-slide{
  position:absolute;
  inset:0;
  opacity:0;
  visibility:hidden;
  background-size:cover;
  background-position:center center;
  background-repeat:no-repeat;
  transition:opacity .8s ease;
}

.hero-v2 .hero-slide.active{
  opacity:1;
  visibility:visible;
}

.hero-v2 .hero-inner{
  position:relative;
  height:100%;
  z-index:2;
}

.hero-v2 .hero-content{
  position:relative;
  z-index:4;
  height:100%;
  max-width:760px;
  padding-bottom:145px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
  color:#fff;
}

.hero-kicker{
  margin-bottom:18px;
  font-size:14px;
  font-weight:700;
  letter-spacing:5px;
  color:rgba(255,255,255,.72);
}

.hero-v2 .hero-content h1{
  max-width:850px;
  margin:0;
  font-size:58px;
  line-height:1.18;
  letter-spacing:1px;
  text-shadow:0 3px 18px rgba(0,0,0,.18);
}

.hero-v2 .hero-content p{
  max-width:720px;
  margin:24px 0 0;
  font-size:20px;
  line-height:1.8;
  letter-spacing:1px;
  color:rgba(255,255,255,.88);
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}

.hero-button{
  min-width:138px;
  height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 27px;
  border:1px solid rgba(255,255,255,.8);
  transition:
    background .2s ease,
    color .2s ease,
    border-color .2s ease,
    transform .2s ease;
}

.hero-button:hover{
  transform:translateY(-2px);
}

.hero-button-primary{
  background:#176da4;
  border-color:#176da4;
  color:#fff;
}

.hero-button-primary:hover{
  background:#fff;
  border-color:#fff;
  color:#174b70;
}

.hero-button-secondary{
  background:rgba(0,0,0,.08);
  color:#fff;
}

.hero-button-secondary:hover{
  background:#fff;
  color:#174b70;
}

.hero-product-layer{
  position:absolute;
  right:-35px;
  bottom:-10px;
  z-index:3;
  width:58%;
  max-width:820px;
  pointer-events:none;
}

.hero-product-layer img{
  display:block;
  width:100%;
  max-height:410px;
  object-fit:contain;
  object-position:right bottom;
  filter:
    drop-shadow(0 24px 22px rgba(0,0,0,.25));
}

.hero-position-center .hero-content{
  max-width:900px;
  margin:0 auto;
  align-items:center;
  text-align:center;
}

.hero-position-center .hero-content p{
  margin-left:auto;
  margin-right:auto;
}

.hero-position-center .hero-actions{
  justify-content:center;
}

.hero-position-center .hero-product-layer{
  left:50%;
  right:auto;
  transform:translateX(-50%);
  width:64%;
}

.hero-position-right .hero-content{
  margin-left:auto;
  align-items:flex-end;
  text-align:right;
}

.hero-position-right .hero-actions{
  justify-content:flex-end;
}

.hero-position-right .hero-product-layer{
  left:-35px;
  right:auto;
}

.hero-v2 .banner-dots{
  bottom:28px;
  z-index:10;
}

.hero-v2 .banner-dots button{
  width:38px;
  height:4px;
  border-radius:10px;
  background:rgba(255,255,255,.38);
}

.hero-v2 .banner-dots button.active{
  background:#fff;
}

@media(max-width:1100px){

  .hero-v2{
    height:650px;
  }

  .hero-v2 .hero-content{
    max-width:620px;
    padding-bottom:135px;
  }

  .hero-v2 .hero-content h1{
    font-size:48px;
  }

  .hero-product-layer{
    width:55%;
    right:-60px;
  }

}

@media(max-width:820px){

  .hero-v2{
    height:590px;
  }

  .hero-v2 .hero-content,
  .hero-position-right .hero-content{
    max-width:100%;
    padding-bottom:160px;
    align-items:flex-start;
    text-align:left;
  }

  .hero-v2 .hero-content h1{
    font-size:40px;
  }

  .hero-v2 .hero-content p{
    font-size:17px;
  }

  .hero-product-layer,
  .hero-position-center .hero-product-layer,
  .hero-position-right .hero-product-layer{
    width:78%;
    max-width:620px;
    left:auto;
    right:-45px;
    bottom:-5px;
    transform:none;
  }

  .hero-position-center .hero-content{
    margin:0;
  }

  .hero-position-center .hero-actions,
  .hero-position-right .hero-actions{
    justify-content:flex-start;
  }

}

@media(max-width:600px){

  .hero-v2{
    height:540px;
  }

  .hero-v2 .hero-slide{
    background-position:center center;
  }

  .hero-v2 .hero-content{
    justify-content:flex-start;
    padding-top:80px;
    padding-bottom:150px;
  }

  .hero-kicker{
    margin-bottom:12px;
    font-size:11px;
    letter-spacing:3px;
  }

  .hero-v2 .hero-content h1{
    font-size:32px;
    line-height:1.28;
  }

  .hero-v2 .hero-content p{
    margin-top:15px;
    font-size:15px;
    line-height:1.7;
  }

  .hero-actions{
    margin-top:22px;
    gap:10px;
  }

  .hero-button{
    min-width:118px;
    height:42px;
    padding:0 18px;
    font-size:13px;
  }

  .hero-product-layer,
  .hero-position-center .hero-product-layer,
  .hero-position-right .hero-product-layer{
    width:92%;
    right:-12%;
    bottom:5px;
  }

  .hero-product-layer img{
    max-height:230px;
  }

  .hero-v2 .banner-dots{
    bottom:15px;
  }

}


/* ==================================================
   AGR 企业级导航 2.0
   ================================================== */

.header{
  position:relative;
  z-index:100;
  background:#fff;
  box-shadow:
    0 1px 0 rgba(27,51,73,.08),
    0 5px 18px rgba(19,47,68,.05);
}

.header-main{
  height:98px;
}

.brand{
  flex-shrink:0;
}

.brand-mark{
  width:66px;
  height:58px;
  font-size:24px;
  background:linear-gradient(
    135deg,
    #0d5f98,
    #1878b3
  );
}

.brand-text strong{
  font-size:21px;
  font-weight:700;
  color:#172f43;
}

.brand-text span{
  margin-top:6px;
  font-size:12px;
  letter-spacing:.5px;
  color:#8794a0;
}


/* 主导航 */

.nav{
  height:100%;
  display:flex;
  align-items:stretch;
  gap:0;
}

.nav-item{
  position:relative;
  height:100%;
  display:flex;
  align-items:stretch;
}

.nav-main-link{
  position:relative;
  height:100%;
  padding:0 22px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  white-space:nowrap;
  color:#23394b;
  font-size:15px;
  font-weight:500;
  transition:.25s;
}

/* 覆盖原来的 .nav a 样式 */
.nav .nav-main-link{
  height:100%;
}

.nav .nav-main-link:after{
  content:"";
  position:absolute;
  left:50%;
  right:50%;
  bottom:0;
  height:3px;
  background:#1471ad;
  transition:.25s;
}

.nav .nav-main-link:hover,
.nav .nav-main-link.active,
.nav-item:hover > .nav-main-link{
  color:#1471ad;
}

.nav .nav-main-link:hover:after,
.nav .nav-main-link.active:after,
.nav-item:hover > .nav-main-link:after{
  left:20px;
  right:20px;
}

.nav-arrow{
  font-size:15px;
  color:#9aa5ad;
  transition:transform .25s;
}

.nav-item:hover .nav-arrow{
  transform:rotate(180deg);
}


/* 二级下拉 */

.nav-dropdown{
  position:absolute;
  top:100%;
  left:50%;
  z-index:150;

  width:250px;
  background:#fff;
  border-top:3px solid #1471ad;

  box-shadow:
    0 18px 45px rgba(20,47,67,.16);

  opacity:0;
  visibility:hidden;

  transform:
    translate(-50%,12px);

  transition:
    opacity .22s ease,
    visibility .22s ease,
    transform .22s ease;
}

.nav-item:hover .nav-dropdown{
  opacity:1;
  visibility:visible;

  transform:
    translate(-50%,0);
}

.nav-dropdown-title{
  padding:19px 22px 14px;

  color:#163952;
  font-size:17px;
  font-weight:700;

  border-bottom:
    1px solid #edf1f4;
}

.nav-dropdown-title span{
  display:block;

  margin-top:4px;

  color:#a0a9b1;
  font-size:10px;
  font-weight:500;
  letter-spacing:2px;
}

.nav .nav-dropdown a{
  position:relative;

  width:100%;
  height:auto;
  min-height:52px;

  padding:0 22px;

  display:flex;
  align-items:center;
  justify-content:space-between;

  color:#425563;
  font-size:14px;

  border-bottom:
    1px solid #edf1f4;

  transition:.2s;
}

.nav .nav-dropdown a:last-child{
  border-bottom:0;
}

.nav .nav-dropdown a:after{
  display:none !important;
}

.nav-dropdown a b{
  font-size:13px;
  font-weight:400;
  color:#b1bbc2;

  transition:.2s;
}

.nav-dropdown a:hover{
  padding-left:27px;

  color:#1471ad;
  background:#f6fafc;
}

.nav-dropdown a:hover b{
  color:#1471ad;
  transform:translateX(3px);
}


/* 中等屏幕 */

@media(max-width:1100px){

  .nav-main-link{
    padding-left:15px;
    padding-right:15px;
  }

  .brand-text span{
    display:none;
  }

}


/* 手机端 */

@media(max-width:820px){

  .header-main{
    height:76px;
  }

  .brand-mark{
    width:54px;
    height:48px;
    font-size:21px;
  }

  .brand-text strong{
    font-size:18px;
  }

  .menu-button{
    display:flex;
    width:42px;
    height:42px;

    padding:0;
    border:0;

    align-items:center;
    justify-content:center;

    background:#1471ad;
    color:#fff;
    font-size:22px;

    cursor:pointer;
  }

  .nav{
    position:absolute;

    top:76px;
    left:0;
    right:0;

    height:auto;
    max-height:
      calc(100vh - 76px);

    overflow-y:auto;

    display:none;
    flex-direction:column;
    align-items:stretch;

    background:#fff;

    box-shadow:
      0 18px 35px
      rgba(20,49,68,.14);
  }

  .nav.open,
  .nav.show{
    display:flex;
  }

  .nav-item{
    display:block;
    height:auto;

    border-bottom:
      1px solid #edf1f4;
  }

  .nav .nav-main-link{
    width:100%;
    height:54px;

    padding:0 22px;

    justify-content:
      space-between;
  }

  .nav .nav-main-link:after{
    display:none;
  }

  .nav-dropdown{
    position:static;

    width:100%;

    border-top:0;
    box-shadow:none;

    opacity:1;
    visibility:visible;
    transform:none;

    display:none;

    background:#f7f9fa;
  }

  .nav-item:hover .nav-dropdown{
    display:block;
    transform:none;
  }

  .nav-dropdown-title{
    display:none;
  }

  .nav .nav-dropdown a{
    min-height:48px;

    padding-left:38px;
    padding-right:22px;

    font-size:13px;
  }

}


/* ==================================================
   AGR 右侧悬浮咨询工具
   ================================================== */

.floating-tools{
  position:fixed;
  right:20px;
  top:50%;
  z-index:300;
  display:flex;
  flex-direction:column;
  gap:2px;
  transform:translateY(-35%);
}

.floating-tool{
  position:relative;
  width:64px;
  min-height:64px;
  padding:7px 4px;
  border:0;

  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;

  background:#126fa9;
  color:#fff;

  font-family:inherit;
  cursor:pointer;

  box-shadow:
    0 5px 16px rgba(20,67,96,.15);

  transition:
    background .2s,
    transform .2s;
}

.floating-tool:hover{
  background:#0b5688;
  transform:translateX(-3px);
}

.floating-tool strong{
  font-size:21px;
  line-height:1;
}

.floating-tool span{
  font-size:11px;
  white-space:nowrap;
}

.floating-1688{
  background:#ff6b20;
}

.floating-1688:hover{
  background:#e95712;
}

.floating-top{
  background:#415667;
}

.floating-top:hover{
  background:#263c4d;
}

.floating-popover{
  position:absolute;
  right:76px;
  top:50%;

  width:190px;
  padding:16px 18px;

  background:#fff;
  color:#324958;

  text-align:left;

  border-left:3px solid #126fa9;

  box-shadow:
    0 12px 35px
    rgba(20,47,67,.16);

  opacity:0;
  visibility:hidden;

  transform:
    translate(10px,-50%);

  transition:.2s;

  pointer-events:none;
}

.floating-tool:hover
.floating-popover{
  opacity:1;
  visibility:visible;

  transform:
    translate(0,-50%);
}

.floating-popover small{
  display:block;
  margin-bottom:5px;

  color:#8b98a2;
  font-size:12px;
}

.floating-popover b{
  display:block;

  color:#1267a0;
  font-size:18px;
  white-space:nowrap;
}


@media(max-width:820px){

  .floating-tools{
    right:8px;
    top:auto;
    bottom:85px;
    transform:none;
  }

  .floating-tool{
    width:48px;
    min-height:48px;
  }

  .floating-tool strong{
    font-size:17px;
  }

  .floating-tool span{
    display:none;
  }

  .floating-popover{
    display:none;
  }

}

/* Banner 图片内按钮真实点击区域 */

.hero-hotspots{
  position:absolute;
  inset:0;
  z-index:20;
  pointer-events:none;
}

.hero-hotspot{
  position:absolute;
  display:block;
  pointer-events:auto;
}

/* 对应图片里的“产品中心”按钮 */
.hero-hotspot-products{
  left:7.2%;
  top:58.8%;
  width:10.7%;
  height:7.5%;
}

/* 对应图片里的“联系我们”按钮 */
.hero-hotspot-contact{
  left:19.2%;
  top:58.8%;
  width:10.7%;
  height:7.5%;
}

@media(max-width:820px){

  .hero-hotspots{
    display:none;
  }

}


/* ==================================================
   在线咨询弹窗
   ================================================== */

body.modal-open{
  overflow:hidden;
}

.inquiry-modal{
  position:fixed;
  inset:0;
  z-index:1000;

  display:flex;
  align-items:center;
  justify-content:center;

  padding:24px;

  opacity:0;
  visibility:hidden;

  transition:.2s ease;
}

.inquiry-modal.open{
  opacity:1;
  visibility:visible;
}

.inquiry-mask{
  position:absolute;
  inset:0;

  background:
    rgba(8,23,34,.62);

  backdrop-filter:
    blur(3px);
}

.inquiry-dialog{
  position:relative;
  z-index:2;

  width:min(520px,100%);
  max-height:
    calc(100vh - 48px);

  overflow-y:auto;

  padding:34px;

  background:#fff;

  box-shadow:
    0 28px 70px
    rgba(5,25,40,.28);

  transform:
    translateY(18px);

  transition:
    transform .22s ease;
}

.inquiry-modal.open
.inquiry-dialog{
  transform:
    translateY(0);
}

.inquiry-close{
  position:absolute;

  top:14px;
  right:16px;

  width:36px;
  height:36px;

  border:0;
  background:none;

  color:#80909b;
  font-size:30px;
  line-height:1;

  cursor:pointer;
}

.inquiry-close:hover{
  color:#176da4;
}

.inquiry-head{
  margin-bottom:24px;
}

.inquiry-head > span{
  display:block;

  margin-bottom:7px;

  color:#176da4;
  font-size:11px;
  font-weight:700;
  letter-spacing:2px;
}

.inquiry-head h3{
  margin:0;

  color:#1c3a50;
  font-size:27px;
}

.inquiry-head p{
  margin:9px 0 0;

  color:#7d8991;
  font-size:14px;
  line-height:1.7;
}

.inquiry-field{
  margin-bottom:16px;
}

.inquiry-field label{
  display:block;

  margin-bottom:7px;

  color:#415565;
  font-size:13px;
  font-weight:600;
}

.inquiry-field input,
.inquiry-field textarea{
  width:100%;

  border:
    1px solid #dce3e8;

  border-radius:0;

  outline:none;

  background:#fff;

  color:#2d4353;
  font-family:inherit;
  font-size:14px;

  transition:.2s;
}

.inquiry-field input{
  height:46px;
  padding:0 13px;
}

.inquiry-field textarea{
  resize:vertical;
  min-height:110px;
  padding:12px 13px;
  line-height:1.7;
}

.inquiry-field input:focus,
.inquiry-field textarea:focus{
  border-color:#176da4;

  box-shadow:
    0 0 0 3px
    rgba(23,109,164,.08);
}

.inquiry-submit{
  width:100%;
  height:48px;

  border:0;

  background:#176da4;
  color:#fff;

  font-family:inherit;
  font-size:15px;
  font-weight:700;

  cursor:pointer;

  transition:.2s;
}

.inquiry-submit:hover{
  background:#0f5d90;
}

.inquiry-submit:disabled{
  opacity:.65;
  cursor:not-allowed;
}

.inquiry-status{
  min-height:20px;

  margin:
    -2px 0 12px;

  font-size:13px;
}

.inquiry-status.success{
  color:#23834c;
}

.inquiry-status.error{
  color:#d7473e;
}

.inquiry-phone{
  margin-top:17px;

  padding-top:16px;

  border-top:
    1px solid #edf1f3;

  text-align:center;

  color:#81909a;
  font-size:13px;
}

.inquiry-phone strong{
  margin-left:4px;

  color:#176da4;
  font-size:16px;
}


@media(max-width:600px){

  .inquiry-modal{
    padding:12px;
    align-items:flex-end;
  }

  .inquiry-dialog{
    width:100%;
    max-height:90vh;
    padding:27px 20px 22px;
  }

  .inquiry-head h3{
    font-size:23px;
  }

}


/* ===== 首页关于阿甘达升级 ===== */

.about-workshop-slider{
  position:relative;
}

.about-workshop-slide{
  position:absolute;
  inset:0;
  opacity:0;
  visibility:hidden;
  transition:opacity .6s ease;
}

.about-workshop-slide.active{
  opacity:1;
  visibility:visible;
}

.about-workshop-caption{
  position:absolute;
  left:20px;
  right:20px;
  bottom:20px;
  padding:14px 18px;
  background:rgba(13,42,61,.76);
  color:#fff;
}

.about-workshop-caption strong{
  display:block;
  font-size:16px;
  margin-bottom:5px;
}

.about-workshop-caption span{
  font-size:12px;
  line-height:1.7;
  opacity:.85;
}

.about-workshop-dots{
  position:absolute;
  right:20px;
  bottom:18px;
  z-index:10;
  display:flex;
  gap:7px;
}

.about-workshop-dots button{
  width:25px;
  height:4px;
  padding:0;
  border:0;
  background:rgba(255,255,255,.5);
  cursor:pointer;
}

.about-workshop-dots button.active{
  background:#fff;
}


/* 五项企业实力 */

.about-strengths{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  margin-top:45px;
  background:#fff;
  border-top:1px solid #dde5ea;
  border-left:1px solid #dde5ea;
}

.about-strength-item{
  min-height:185px;
  padding:26px 18px;
  text-align:center;
  border-right:1px solid #dde5ea;
  border-bottom:1px solid #dde5ea;
  transition:.25s ease;
}

.about-strength-item:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 28px rgba(15,55,80,.10);
}

.about-strength-icon{
  width:52px;
  height:52px;
  margin:0 auto 13px;
  border-radius:50%;
  display:flex;
  justify-content:center;
  align-items:center;
  background:#edf5fa;
  color:#176da4;
  font-size:13px;
  font-weight:700;
}

.about-strength-value{
  display:block;
  color:#176da4;
  font-size:26px;
  margin-bottom:6px;
}

.about-strength-item h3{
  margin:0 0 8px;
  font-size:16px;
  color:#213c50;
}

.about-strength-item p{
  margin:0;
  font-size:12px;
  line-height:1.7;
  color:#7b8993;
}


@media(max-width:1100px){

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

}


@media(max-width:700px){

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

}


@media(max-width:480px){

  .about-strengths{
    grid-template-columns:1fr;
  }

}

/* ===== 阿甘达 LOGO ===== */

.site-logo-img{
  display:block;
  width:auto;
  max-width:220px;
  height:58px;
  object-fit:contain;
}

.footer-logo-img{
  display:block;
  width:auto;
  max-width:210px;
  max-height:72px;
  object-fit:contain;
}

@media(max-width:700px){
  .site-logo-img{
    max-width:170px;
    height:48px;
  }

  .footer-logo-img{
    max-width:170px;
  }
}

/* ===== 完整企业 LOGO ===== */

.site-logo-full{
  display:block;
  width:auto;
  height:auto;
  max-width:285px;
  max-height:70px;
  object-fit:contain;
}

.brand:has(.site-logo-full){
  display:flex;
  align-items:center;
}

@media(max-width:900px){
  .site-logo-full{
    max-width:220px;
    max-height:60px;
  }
}

@media(max-width:600px){
  .site-logo-full{
    max-width:180px;
    max-height:52px;
  }
}

/* ===== 首页合作伙伴 ===== */

.partners-image-section{
  padding:45px 0;
  background:#fff;
}

.partners-image{
  display:block;
  width:100%;
  height:auto;
  margin:0 auto;
  object-fit:contain;
}

@media(max-width:700px){
  .partners-image-section{
    padding:25px 0;
  }
}