@charset "utf-8";

:root {
  --primary: #1993ab;
  --primary-dark: #007a87;
  --primary-light: #f0fafa;
  --text: #333333;
  --text-light: #666666;
  --content-inset: calc((100vw - min(1600px, 86vw)) / 2);
}

body,div,span,h1,h2,h3,h4,h5,h6,p,em,img,strong,b,small,u,i,center,dl,dt,dd,ol,ul,li,sub,sup,tt,var,del,dfn,ins,kbd,q,s,samp,strike,applet,object,iframe,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,blockquote,pre,a,abbr,acronym,address,big,cite,code,mark,audio,video,textarea,select,input {margin:0;padding:0;outline:none}
ol,ul {list-style:none;}
html {-webkit-text-size-adjust:none;}

body {color:var(--text);font-family:'PingFang SC','Microsoft YaHei UI','Microsoft YaHei',sans-serif;overflow-x:hidden;line-height:1.8;padding-top:80px;}
.bannerbox,.partonebox,.partthreebox,.partsixbox,.partsevenbox,.footerbox{scroll-margin-top:80px;}

img {display:block;max-width:100%;border:none}

a {text-decoration:none;outline:none;transition:0.5s all;-webkit-transition:0.5s all;color:var(--text);}
a:hover{color:var(--primary)}

.juzhong {display:flex;justify-content:center;align-items:center;}
.erduan {display:flex;flex-direction:row;justify-content:space-between;align-content:center;align-items:center;}
.upshang {display:flex;flex-wrap:wrap;}

article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section {display:block;}
i,em {font-style:normal}

.nav-btnbox {display:none}

.pd2{padding-top:2%;padding-bottom:2%}
.pd3{padding-top:3%;padding-bottom:3%}
.pd4{padding-top:4%;padding-bottom:4%}
.pd5{padding-top:5%;padding-bottom:5%}
.pd6{padding-top:6%;padding-bottom:6%}

.mt1{margin-top:1%}
.mt2{margin-top:2%}
.mt3{margin-top:3%}
.mt4{margin-top:4%}
.mt5{margin-top:5%}

/* 滚动入场动画 */
.wow{visibility:hidden;}
.wow.animated{visibility:visible;}

.wow:nth-child(1){animation-delay:0.1s;}
.wow:nth-child(2){animation-delay:0.2s;}
.wow:nth-child(3){animation-delay:0.3s;}
.wow:nth-child(4){animation-delay:0.4s;}
.wow:nth-child(5){animation-delay:0.5s;}
.wow:nth-child(6){animation-delay:0.6s;}
.wow:nth-child(7){animation-delay:0.7s;}
.wow:nth-child(8){animation-delay:0.8s;}
.wow:nth-child(9){animation-delay:0.9s;}
.wow:nth-child(10){animation-delay:1s;}
.wow:nth-child(11){animation-delay:1.05s;}
.wow:nth-child(12){animation-delay:1.1s;}

.animated{-webkit-animation-duration:0.9s;animation-duration:0.9s;-webkit-animation-fill-mode:both;animation-fill-mode:both;}

@-webkit-keyframes fadeInUp{
  0%{opacity:0;-webkit-transform:translate3d(0,30px,0);transform:translate3d(0,30px,0);}
  to{opacity:1;-webkit-transform:none;transform:none;}
}
@keyframes fadeInUp{
  0%{opacity:0;-webkit-transform:translate3d(0,30px,0);transform:translate3d(0,30px,0);}
  to{opacity:1;-webkit-transform:none;transform:none;}
}
.fadeInUp{-webkit-animation-name:fadeInUp;animation-name:fadeInUp;}

@-webkit-keyframes fadeInDown{
  0%{opacity:0;-webkit-transform:translate3d(0,-30px,0);transform:translate3d(0,-30px,0);}
  to{opacity:1;-webkit-transform:none;transform:none;}
}
@keyframes fadeInDown{
  0%{opacity:0;-webkit-transform:translate3d(0,-30px,0);transform:translate3d(0,-30px,0);}
  to{opacity:1;-webkit-transform:none;transform:none;}
}
.fadeInDown{-webkit-animation-name:fadeInDown;animation-name:fadeInDown;}

@-webkit-keyframes fadeInLeft{
  0%{opacity:0;-webkit-transform:translate3d(-40px,0,0);transform:translate3d(-40px,0,0);}
  to{opacity:1;-webkit-transform:none;transform:none;}
}
@keyframes fadeInLeft{
  0%{opacity:0;-webkit-transform:translate3d(-40px,0,0);transform:translate3d(-40px,0,0);}
  to{opacity:1;-webkit-transform:none;transform:none;}
}
.fadeInLeft{-webkit-animation-name:fadeInLeft;animation-name:fadeInLeft;}

@-webkit-keyframes fadeInRight{
  0%{opacity:0;-webkit-transform:translate3d(40px,0,0);transform:translate3d(40px,0,0);}
  to{opacity:1;-webkit-transform:none;transform:none;}
}
@keyframes fadeInRight{
  0%{opacity:0;-webkit-transform:translate3d(40px,0,0);transform:translate3d(40px,0,0);}
  to{opacity:1;-webkit-transform:none;transform:none;}
}
.fadeInRight{-webkit-animation-name:fadeInRight;animation-name:fadeInRight;}

@-webkit-keyframes fadeIn{
  0%{opacity:0;}
  to{opacity:1;}
}
@keyframes fadeIn{
  0%{opacity:0;}
  to{opacity:1;}
}
.fadeIn{-webkit-animation-name:fadeIn;animation-name:fadeIn;}

/* Banner 首屏入场 */
@keyframes banLineGrow{
  from{width:0;opacity:0;}
  to{width:9.5em;opacity:1;}
}
@-webkit-keyframes banLineGrow{
  from{width:0;opacity:0;}
  to{width:9.5em;opacity:1;}
}
.top{-webkit-animation:fadeInDown 0.65s ease both;animation:fadeInDown 0.65s ease both;}
.banwenzi h2{-webkit-animation:fadeInUp 0.85s ease both;animation:fadeInUp 0.85s ease both;}
.banwenzi h3{-webkit-animation:fadeInUp 0.85s 0.12s ease both;animation:fadeInUp 0.85s 0.12s ease both;}
.banline{-webkit-animation:banLineGrow 0.65s 0.28s ease both;animation:banLineGrow 0.65s 0.28s ease both;}
.banbtns-area{-webkit-animation:fadeInUp 0.85s 0.42s ease both;animation:fadeInUp 0.85s 0.42s ease both;}
.banbtn{transition:transform 0.35s ease,background 0.35s ease,border-color 0.35s ease,box-shadow 0.35s ease;}
.banbtn:hover{-webkit-transform:translateY(-2px);transform:translateY(-2px);box-shadow:0 6px 16px rgba(55,162,178,0.35);}
.morebtn{transition:transform 0.35s ease,background 0.35s ease;}
.morebtn:hover{-webkit-transform:translateY(-2px);transform:translateY(-2px);}

@media (prefers-reduced-motion:reduce){
  .wow,.animated,.top,.banwenzi h2,.banwenzi h3,.banline,.banbtns-area{
    -webkit-animation:none !important;animation:none !important;
    visibility:visible !important;
    -webkit-transform:none !important;transform:none !important;
    opacity:1 !important;width:auto;
  }
  .banline{width:9.5em;}
  .banbtn:hover,.morebtn:hover,.advantage-item:hover{-webkit-transform:none;transform:none;}
}

.bigpic{overflow:hidden;position:relative}
.bigpic img{transition:1s all;width:100%}
a:hover .bigpic>img,li:hover .bigpic>img,.bigpic:hover img{transform:scale(1.05);}

.mainbox{margin:0 auto;max-width:1600px;width:86%}

.top{position:fixed;left:0;top:0;width:100%;z-index:12;transition:0.5s all;background:#fff;border-top:1px solid #e8e8e8;border-bottom:1px solid #e8e8e8;}
.top.cur,.top:hover{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,0.06);}
.top>.mainbox{height:80px;width:95%;max-width:100%;}
.top-inner{align-items:center;}

.logo{flex-shrink:0;}
.logo a{display:inline-grid;grid-template-columns:1fr;width:max-content;max-width:386px;}
.logo-cn{display:block;font-size:21px;color:#00667a;line-height:1.35;letter-spacing:0.5px;white-space:nowrap;}
.logo-en{display:block;width:0;min-width:100%;max-width:100%;font-size:9px;color:#000;line-height:1.3;margin-top:5px;letter-spacing:0;text-align:justify;text-justify:inter-character;font-weight:normal;white-space:nowrap;box-sizing:border-box;}

.topright{flex:1;min-width:0;justify-content:flex-end;align-items:center;gap:16px;}

.nav{flex:1;min-width:0;display:flex;position:relative;margin-left:40px;padding-left:32px;}
.nav:before{content:'';position:absolute;left:8px;top:50%;transform:translateY(-50%);width:1px;height:60%;background:#e0e0e0;}
.nav ul{width:100%;justify-content:space-between;gap:0;padding:0 28px;}
.nav li{position:relative;flex:1;display:flex;align-items:center;justify-content:center;height:80px;padding:0 2px;}
.nav li>a{display:inline-block;line-height:1.2;padding:0;font-size:20px;color:#333;font-weight:normal;white-space:nowrap;position:relative;}
.nav li:hover>a{color:#333;}
.nav li.cur>a{color:#333;font-weight:normal;}
.nav li.cur>a:after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:#147689;}

.topright_right{flex-shrink:0;gap:20px;}

.tel a{color:var(--primary);white-space:nowrap;gap:12px;}
.telico{flex-shrink:0;border:none;animation:none;margin:0;width:auto;height:auto;}
.telico img{width:44px;height:auto;display:block;}
.teltxt{display:flex;flex-direction:column;line-height:1.3;text-align:left;}
.tel-label{font-size:14px;font-weight:normal;font-style:normal;color:var(--primary);}
.tel-num{font-size:22px;font-weight:bold;font-style:normal;color:var(--primary);}

.morebtn{text-align:center;color:#fff;background:var(--primary);border-radius:38px;padding:8px 10px 8px 20px;position:relative;overflow:hidden;max-width:160px;font-size:14px;display:inline-flex;align-items:center;}
.morebtn span{position:relative;z-index:2}
.morebtn em{position:relative;z-index:2;margin-left:8px;font-size:14px;font-style:normal;color:#fff;line-height:1;letter-spacing:-1px;}
.morebtn:hover em{color:#fff;}
.morebtn:before{content:'';position:absolute;left:-100%;top:0;width:100%;height:100%;background:var(--primary-dark);z-index:1;transition:0.5s all;border-radius:38px;}
.morebtn:hover:before{left:0;}
.morebtn:hover span{color:#fff}
.morebtn.small{max-width:130px;font-size:12px;padding:6px 8px 6px 16px;}

.banbtn{display:inline-flex;align-items:center;justify-content:center;text-align:center;background:#37a2b2;color:#fff;border-radius:24px;padding:8px 20px;font-size:18px;font-weight:bold;line-height:1.2;border:2px solid #37a2b2;white-space:nowrap;}
.banbtn:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;}

.banner{position:relative;display:flex;align-items:center;min-height:480px;padding:85px 0 90px;background:url("../images/banner.png") no-repeat center center;background-size:cover;}
.bantxt{width:100%;}
.banner .mainbox{margin-left:9%;margin-right:auto;}
.banwenzi{max-width:720px;}
.banwenzi h2{font-size:66px;color:#147689;font-weight:bold;line-height:1.35;}
.banwenzi h3{font-size:66px;color:#147689;font-weight:bold;line-height:1.35;margin-top:6px;}
.banline{display:block;width:9.5em;height:4px;background:#e5a853;margin-top:18px;border-radius:2px;}
.banbtns-area{margin-top:40px;}
.banbtns{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.ban-next{display:block;margin-top:40px;line-height:0;width:44px;}
.ban-next img{width:44px;height:44px;display:block;animation:banBounce 2s ease-in-out infinite;}
@-webkit-keyframes banBounce{
  0%,100%{-webkit-transform:translateY(0);transform:translateY(0);}
  50%{-webkit-transform:translateY(8px);transform:translateY(8px);}
}
@keyframes banBounce{
  0%,100%{-webkit-transform:translateY(0);transform:translateY(0);}
  50%{-webkit-transform:translateY(8px);transform:translateY(8px);}
}

.sytit{text-align:center;margin-bottom:10px;}
.sytit span{color:var(--primary);font-size:16px;font-weight:bold;}
.sytit span em{width:40px;height:1px;background:var(--primary);margin:0 10px;display:inline-block;vertical-align:middle;}
.sytit h3{font-size:32px;color:var(--text);font-weight:normal;margin-top:8px;letter-spacing:2px;}
.sytit p{color:#000;font-weight:300;line-height:1.6;margin-top:10px;}
.sytit.white span,.sytit.white h3,.sytit.white p{color:#fff;}
.sytit.white span em{background:#fff;}

.sytit-center .sytit-cn{font-size:36px;color:var(--primary);font-weight:bold;letter-spacing:2px;line-height:1.2;}
.sytit-center .sytit-en{display:block;font-size:14px;color:#646365;font-weight:300;letter-spacing:4px;margin-top:8px;text-transform:uppercase;}

.sectit{margin-bottom:20px;}
.sectit h4{font-size:32px;color:var(--primary);font-weight:bold;line-height:1.2;}
.sectit span{font-size:14px;color:var(--text-light);letter-spacing:2px;margin-top:6px;display:block;}

.sectit-v2 .sectit-en{display:block;font-size:30px;color:#d6d6d6;letter-spacing:2px;text-transform:uppercase;line-height:1;font-weight:normal;}
.sectit-v2 h4{font-size:32px;color:var(--primary);font-weight:bold;line-height:1.2;display:block;}
.sectit-v2 .sectit-line{display:flex;align-items:center;width:100%;margin-top:10px;font-size:32px;}
.sectit-v2 .sectit-line-thick{width:4.2em;height:4px;background:var(--primary);flex-shrink:0;}
.sectit-v2 .sectit-line-thin{flex:1;height:1px;background:#d3d3d3;}

.sectit-profile{margin-bottom:24px;}
.sectit-profile h4{font-size:42px;color:var(--primary);font-weight:bold;line-height:1.3;display:block;letter-spacing:1px;}
.sectit-profile .sectit-en{display:block;font-size:24px;color:#646365;font-weight:300;letter-spacing:3px;text-transform:uppercase;margin-top:8px;line-height:1.4;}

.partonebox{background:#fff;}

.aboutbox{align-items:flex-start;gap:40px;flex-wrap:nowrap;}
.aboutleft{width:42%;flex:1 1 42%;min-width:0;max-width:42%;}
.aboutright{width:54%;flex:1 1 54%;min-width:0;max-width:54%;align-self:flex-start;}
.aboutright.bigpic{overflow:visible;}
.aboutright.bigpic img{width:100%;height:auto;object-fit:contain;}
.abouttxt p{color:#000;margin-bottom:12px;text-align:justify;font-size:20px;line-height:1.8;text-indent:2em;}


.parttwobox{background:url("../images/qualification.png") no-repeat right center;background-size:cover;background-color:#f5f5f5;}

.briefbox{max-width:58%;padding:10px 0;}
.brieflist{margin-top:24px;}
.brieflist li{position:relative;padding-left:18px;color:#000;font-size:22px;margin-bottom:10px;line-height:2.15;font-weight:bold;}
.brieflist li:before{content:'';position:absolute;left:0;top:0.72em;width:8px;height:8px;background:#f59620;border-radius:50%;transform:translateY(-50%);}
.brieflist li .brief-red{color:#e60012;font-style:normal;font-weight:bold;}

.partthreebox{background:#fff;padding-bottom:0;}
.partthreebox > .mainbox{padding-top:36px;padding-bottom:20px;}
.partthreebox .sytit{margin-bottom:6px;}
.partthreebox .sytit-center .sytit-cn{line-height:1.1;}
.partthreebox .sytit-center .sytit-en{font-size:20px;margin-top:4px;letter-spacing:4px;}
.partthreebox .productlist{margin-top:16px;}

.productlist{display:flex;flex-direction:column;gap:0;margin-top:30px;}
.product-row{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;container-type:inline-size;}
.product-pics{width:100%;height:calc(50cqw * 600 / 962);display:block;overflow:hidden;box-sizing:border-box;}
.product-pics img{width:100%;height:100%;display:block;object-position:center;}
.producttxt{width:100%;height:calc(50cqw * 600 / 962);min-height:0;color:#fff;padding:clamp(10px,3.2cqh,28px) clamp(12px,3.8cqh,44px);display:flex;flex-direction:column;justify-content:flex-start;box-sizing:border-box;overflow:hidden;container-type:size;background-repeat:no-repeat;background-position:center;background-size:100% 100%;}
.producttxt-1{background-image:url("../images/productbg1.png");padding-left:var(--content-inset);}
.producttxt-2{background-image:url("../images/productbg2.png");padding-left:var(--content-inset);padding-right:clamp(12px,3.8cqh,44px);}
.producttxt h4{font-size:clamp(18px,9.5cqh,42px);margin-bottom:clamp(4px,1.2cqh,8px);font-weight:bold;color:#fff;line-height:1.25;flex-shrink:0;}
.product-sub{display:block;font-size:clamp(12px,5.2cqh,22px);color:rgba(255,255,255,0.65);font-weight:300;margin-bottom:clamp(6px,1.8cqh,12px);letter-spacing:0.5px;line-height:1.35;flex-shrink:0;}
.producttxt ul{position:relative;padding-left:23px;margin-top:clamp(16px,4.8cqh,40px);margin-bottom:clamp(8px,3.2cqh,32px);flex:1;min-height:0;display:flex;flex-direction:column;justify-content:space-between;}
.producttxt ul:before{content:'';position:absolute;left:6px;top:0.6em;bottom:0.6em;width:1px;background:rgba(255,255,255,0.9);}
.producttxt ul li{font-size:clamp(12px,5cqh,20px);line-height:1.7;padding-left:12px;position:relative;margin-bottom:0;flex-shrink:0;}
.producttxt ul li:before{content:'';position:absolute;left:-18px;top:0.6em;width:4px;height:8px;background:#f59620;transform:translateY(-50%);border-radius:0;}

.process-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:36px;}
.process-group{background:#fff;border:none;overflow:hidden;transition:box-shadow 0.4s ease,transform 0.4s ease;}
.process-group:hover{box-shadow:0 8px 24px rgba(0,0,0,0.08);transform:translateY(-4px);}
.process-head{background:#cccccc;color:#3075aa;font-size:21px;font-weight:bold;padding:14px 32px 14px 16px;line-height:1.4;}
.process-body{display:flex;align-items:flex-start;gap:0;padding:40px 0 0;}
.process-col{width:50%;flex-shrink:0;box-sizing:border-box;}
.process-col:first-child{padding-right:28px;}
.process-col:last-child{padding-left:28px;}
.processpic{border:4px solid #cccccc;overflow:hidden;aspect-ratio:1;box-sizing:border-box;margin:0;}
.processpic img{width:100%;height:100%;object-fit:cover;}
.process-col p{font-size:18px;color:#000;line-height:1.8;margin-top:14px;text-align:left;}

.partfourbox > .mainbox{width:95%;max-width:1720px;padding-top:32px;padding-bottom:32px;}
.partfourbox .process-wrap{margin-top:0;}

.craftintro{position:relative;padding:56px 0;background:none;display:flex;align-items:center;}
.craftintro::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:100%;aspect-ratio:1920 / 491;background:url("../images/dingzhibg.png") no-repeat center center;background-size:100% 100%;z-index:0;pointer-events:none;}
.craftintro > .mainbox{position:relative;z-index:1;width:86%;max-width:1600px;padding-top:0;padding-bottom:0;}
.craftintro-inner{width:100%;max-width:1600px;margin:0 auto;text-align:center;}
.craftintro-inner h3{font-size:42px;color:var(--primary);font-weight:bold;margin-bottom:40px;line-height:1.4;letter-spacing:1px;text-align:center;}
.craftintro-inner p{width:100%;max-width:none;margin:0;color:#000;font-size:30px;line-height:2.2;text-align:justify;text-indent:2em;}

.partfivebox{background:#fff;}
.partfivebox > .mainbox{padding-top:48px;padding-bottom:24px;}
.partfivebox .sytit{margin-bottom:6px;}
.partfivebox .sytit-center .sytit-cn{color:var(--primary);}
.partfivebox .sytit-center .sytit-en{font-size:20px;color:#646365;margin-top:4px;letter-spacing:4px;}
.partfivebox .caselist{margin-top:24px;}
.partfivebox .casetit-bar{background:var(--primary);}
.partfivebox .casetit h4{font-size:20px;color:#000;font-weight:bold;line-height:1.6;}
.partfivebox .case-en{font-size:16px;color:#000;font-weight:normal;margin-left:6px;}
.partfivebox .case-note{font-size:15px;color:#00667a;line-height:1.7;margin-top:6px;}
.partfivebox .case-block{border:1px solid var(--primary);padding:16px;background:#fff;}
.partfivebox .case-label{font-size:15px;color:#000;margin-top:10px;line-height:1.4;}

.caselist{display:flex;flex-direction:column;gap:40px;}
.case-row{padding:0 0 40px;border-bottom:1px solid #eee;}
.case-row:last-child{border-bottom:none;padding-bottom:0;}

.casetit{display:flex;align-items:stretch;gap:12px;margin-bottom:20px;}
.casetit-bar{width:4px;background:#147689;flex-shrink:0;border-radius:1px;}
.casetit-text{flex:1;}
.casetit h4{font-size:16px;color:#333;font-weight:bold;line-height:1.6;}
.case-en{font-size:13px;color:#999;font-weight:normal;margin-left:6px;}
.case-note{font-size:13px;color:var(--primary);line-height:1.7;margin-top:6px;}

.casepairs{display:flex;gap:24px;margin-bottom:16px;}
.case-block{flex:1;border:1px solid #d8e8eb;padding:16px;background:#fff;}
.case-compare{display:flex;gap:12px;}
.case-compare-item{flex:1;text-align:center;}
.case-compare-item .casepic{border:none;border-radius:0;overflow:hidden;}
.case-compare-item .casepic img{width:100%;height:auto;object-fit:cover;}
.case-label{font-size:12px;color:#000;margin-top:10px;line-height:1.4;}

.casemore{text-align:right;}
.case-morebtn{display:inline-block;background:var(--primary);color:#fff;border-radius:24px;padding:8px 22px;font-size:13px;line-height:1.4;transition:0.3s all;}
.case-morebtn:hover{background:var(--primary-dark);color:#fff;}

/* 案例详情弹窗 */
.case-modal{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity 0.3s ease,visibility 0.3s ease;}
.case-modal.is-open{opacity:1;visibility:visible;pointer-events:auto;}
body.case-modal-open{overflow:hidden;}
.case-modal-mask{position:absolute;inset:0;background:rgba(0,0,0,0.72);}
.case-modal-panel{position:relative;z-index:1;width:min(920px,100%);max-height:calc(100vh - 48px);background:#fff;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,0.25);padding:20px 20px 16px;box-sizing:border-box;display:flex;flex-direction:column;}
.case-modal-close{position:absolute;top:10px;right:12px;width:36px;height:36px;border:none;background:transparent;color:#666;font-size:28px;line-height:1;cursor:pointer;transition:color 0.2s;}
.case-modal-close:hover{color:var(--primary);}
.case-modal-title{margin:0 40px 14px 8px;font-size:18px;color:#333;font-weight:bold;line-height:1.45;}
.case-modal-body{position:relative;display:flex;align-items:center;gap:8px;flex:1;min-height:0;}
.case-modal-imgwrap{flex:1;min-width:0;display:flex;align-items:center;justify-content:center;background:#f5f8f9;border-radius:8px;overflow:hidden;min-height:280px;max-height:calc(100vh - 200px);}
.case-modal-img{display:block;max-width:100%;max-height:calc(100vh - 200px);width:auto;height:auto;object-fit:contain;}
.case-modal-arrow{flex-shrink:0;width:44px;height:44px;border:none;border-radius:50%;background:var(--primary);color:#fff;font-size:28px;line-height:1;cursor:pointer;transition:background 0.2s,opacity 0.2s;}
.case-modal-arrow:hover{background:var(--primary-dark);}
.case-modal-arrow.is-disabled{opacity:0.35;cursor:not-allowed;pointer-events:none;}
.case-modal-counter{margin:12px 0 0;text-align:center;font-size:14px;color:#666;}

.partsixbox{position:relative;padding:28px 0 40px;background-color:#edf6f8;background-image:url("../images/youshibg.png");background-repeat:no-repeat;background-position:center top;background-size:100% auto;}
.partsixbox > .mainbox{position:relative;z-index:1;padding-top:24px;padding-bottom:20px;}
.partsixbox .sytit{margin-bottom:6px;}
.partsixbox .sytit-center .sytit-cn{color:var(--primary);line-height:1.1;}
.partsixbox .sytit-center .sytit-en{font-size:20px;color:#646365;margin-top:4px;letter-spacing:4px;}
.partsixbox .advantage-intro{width:100%;max-width:none;margin:16px auto 0;color:#000;font-size:30px;line-height:2.2;text-align:justify;text-indent:0;}
.partsixbox .advantage-grid{margin-top:20px;gap:24px;}
.partsixbox .advantage-item{border-radius:18px;padding:40px 40px 34px;min-height:0;display:flex;flex-direction:column;align-items:stretch;}
.partsixbox .advantage-item h4{font-size:26px;margin-bottom:28px;line-height:1.35;font-weight:bold;}
.partsixbox .advantage-item p{font-size:18px;line-height:1.8;flex:1;}

.advantage-intro{max-width:1100px;margin:24px auto 0;color:#000;font-size:14px;line-height:2;text-align:justify;text-indent:2em;}
.advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.advantage-item{width:auto;background-color:var(--primary);background-image:url("../images/youshismallbg.png");background-repeat:no-repeat;background-position:center center;background-size:100% 100%;color:#fff;padding:40px 40px 34px;border-radius:18px;text-align:center;box-sizing:border-box;display:flex;flex-direction:column;align-items:stretch;transition:transform 0.4s ease,box-shadow 0.4s ease;}
.advantage-item:hover{transform:translateY(-6px);box-shadow:0 12px 28px rgba(0,0,0,0.15);}
.advantage-item h4{font-size:26px;margin-bottom:28px;line-height:1.35;font-weight:bold;}
.advantage-item p{font-size:18px;line-height:1.8;opacity:0.95;text-align:left;flex:1;}

.partsevenbox{background:url("../images/liuchengbg.png") no-repeat center center;background-size:cover;padding:50px 0;}
.partsevenbox > .mainbox{padding-top:24px;padding-bottom:20px;}
.partsevenbox .sytit{margin-bottom:6px;}
.partsevenbox .sytit-center .sytit-cn{color:var(--primary);line-height:1.1;}
.partsevenbox .sytit-center .sytit-en{font-size:20px;color:#646365;margin-top:4px;letter-spacing:4px;}
.partsevenbox .flow-intro{width:70%;max-width:none;margin:16px auto 0;color:#000;font-size:24px;line-height:2.1;text-align:left;text-indent:0;}
.partsevenbox .flowbox{margin-top:20px;}
.partsevenbox .flow-grid{max-width:none;width:100%;}
.partsevenbox .flow-row{gap:0;}
.partsevenbox .flow-row-bottom{margin-top:0;}
.partsevenbox .flow-step{position:relative;flex:1;max-width:none;padding:0;}
/* 内容区公共样式 */
.partsevenbox .flow-step-inner{position:absolute;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;box-sizing:border-box;overflow:hidden;padding:0;margin:0;}
.partsevenbox .flow-step-inner h5{font-size:32px;color:var(--primary);font-weight:bold;margin-bottom:14px;line-height:1.35;text-align:center;flex-shrink:0;width:100%;}
.partsevenbox .flow-step-6 .flow-step-inner h5{color:#fe7800;}
.partsevenbox .flow-step-inner p{font-size:17px;color:#000;line-height:1.6;text-align:left;text-indent:0;width:100%;margin:0;padding:0;}
/* 各步骤内容区定位（可单独调整 top / left / width / height / transform） */
.partsevenbox .flow-step-1 .flow-step-inner{top:50%;left:42%;width:54%;height:44%;transform:translate(-50%,-50%);}
.partsevenbox .flow-step-2 .flow-step-inner{top:50%;left:41%;width:54%;height:44%;transform:translate(-50%,-50%);}
.partsevenbox .flow-step-3 .flow-step-inner{top:45%;left:50%;width:54%;height:44%;transform:translate(-50%,-50%);}
.partsevenbox .flow-step-4 .flow-step-inner{top:50%;left:58%;width:54%;height:44%;transform:translate(-50%,-50%);}
.partsevenbox .flow-step-5 .flow-step-inner{top:50%;left:57%;width:54%;height:44%;transform:translate(-50%,-50%);}
.partsevenbox .flow-step-6 .flow-step-inner{top:50%;left:50%;width:54%;height:44%;transform:translate(-50%,-50%);}

.flow-intro{max-width:900px;margin:20px auto 0;color:#000;font-size:14px;line-height:2;text-align:center;}

.flow-grid{max-width:1200px;margin:0 auto;}
.flow-row{display:flex;align-items:center;justify-content:center;gap:12px;}
.flow-row-bottom{margin-top:8px;}
.flow-step{position:relative;flex:1;max-width:340px;aspect-ratio:1;background-repeat:no-repeat;background-position:center;background-size:contain;padding:0;box-sizing:border-box;}
.flow-step-1{background-image:url("../images/lc1.png");}
.flow-step-2{background-image:url("../images/lc2.png");}
.flow-step-3{background-image:url("../images/lc3.png");}
.flow-step-4{background-image:url("../images/lc4.png");}
.flow-step-5{background-image:url("../images/lc5.png");}
.flow-step-6{background-image:url("../images/lc6.png");}
.flow-step-inner{width:72%;padding:22px 14px;display:flex;flex-direction:column;justify-content:center;box-sizing:border-box;}
.flow-step-inner h5{font-size:18px;color:var(--primary);font-weight:bold;margin-bottom:10px;line-height:1.4;text-align:center;flex-shrink:0;}
.flow-step-6 .flow-step-inner h5{color:#fe7800;}
.flow-step-inner p{font-size:14px;color:#000;line-height:1.75;text-align:left;}

.brandpromise{background:var(--primary);padding:40px 0;text-align:left;}
.brandpromise > .mainbox{width:86%;max-width:1600px;}
.brandpromise h4{color:#fff;font-size:42px;font-weight:bold;margin-bottom:20px;line-height:1.3;}
.brandpromise p{color:#fff;font-size:30px;line-height:2;max-width:none;width:100%;margin:0;}

.parteightbox{margin:0;padding:0;line-height:0;background:transparent;}
.gongyibox{position:relative;margin:0;padding:0;line-height:normal;overflow:hidden;}
.gongyibox img{width:100%;display:block;vertical-align:top;}
.gongyitxt{
  position:absolute;left:0;bottom:0;top:auto;width:40%;height:auto;
  padding:0 9% 2% 2.5%;box-sizing:border-box;z-index:1;
  max-height:46%;overflow:visible;
}
.gongyi-bottom{
  padding-top:0;
  max-width:100%;
  word-break:break-word;
  overflow-wrap:anywhere;
}
.gongyi-tag{
  display:inline-block;width:fit-content;max-width:100%;
  padding:6px 14px;font-size:13px;color:#fff;letter-spacing:1px;
  background:linear-gradient(90deg,#1993ab 0%,#f59620 100%);
  line-height:1.3;margin-bottom:14px;
}
.gongyi-title{
  font-size:clamp(28px,2.8vw,52px);color:#3075aa;font-weight:bold;
  line-height:1.15;margin-bottom:6px;letter-spacing:2px;
}
.gongyi-title .gongyi-en{
  font-size:clamp(14px,1.2vw,22px);font-weight:normal;color:#5da3c4;
  letter-spacing:1px;margin-left:6px;
}
.gongyi-brand{font-size:clamp(16px,1.4vw,24px);color:#3075aa;font-weight:bold;margin:8px 0 10px;line-height:1.3;}
.gongyi-desc{
  font-size:clamp(13px,1vw,18px);color:#333;line-height:1.85;
  text-align:justify;margin-top:12px;max-width:96%;
}
.gongyi-subtitle{
  font-size:clamp(24px,2.6vw,46px);color:#fff;font-weight:bold;
  line-height:1.15;margin-bottom:clamp(6px,0.6vw,10px);letter-spacing:2px;
}
.gongyi-suben{
  font-size:clamp(11px,0.85vw,15px);color:#fff;line-height:1.45;
  font-weight:normal;margin-bottom:2px;
}
.gongyi-subcn{
  font-size:clamp(12px,0.9vw,16px);color:#fff;line-height:1.45;
  margin:0;font-weight:normal;
}
.gongyi-desc2{
  font-size:clamp(11px,0.95vw,20px);color:#fff;line-height:1.85;
  text-align:justify;max-width:100%;
  margin-top:clamp(12px,8.5vw,188px);
}

.footer{margin-top:0;background:url("../images/contactbg.png") no-repeat center center;background-size:cover;color:#fff;}
.footbox{padding:72px 0 60px;}
.footer > .footbox > .mainbox{width:96%;max-width:1920px;}
.foottit{text-align:center;margin-bottom:48px;}
.foottit h3{font-size:36px;font-weight:bold;color:#fff;letter-spacing:3px;}
.foottit-line{display:block;width:70px;height:3px;background:#fff;margin:8px auto 14px;}
.foottit p{font-size:24px;color:#fff;opacity:0.95;line-height:1.7;}
.footlist{justify-content:space-between;gap:28px;}
.foot-item{width:22%;text-align:center;}
.footico{width:100px;height:100px;margin:0 auto 22px;border:2px solid rgba(255,255,255,0.65);border-radius:50%;display:flex;align-items:center;justify-content:center;padding:20px;box-sizing:border-box;}
.footico img{width:100%;height:100%;object-fit:contain;}
.foot-item h4{font-size:22px;font-weight:bold;margin-bottom:14px;}
.foot-item p{font-size:18px;line-height:1.85;opacity:0.95;}
.foot-item a{color:#fff;font-size:18px;}
.foot-item a:hover{text-decoration:underline;color:#fff;}

.bottom_txt{text-align:center;padding:20px 0;background:rgba(0,0,0,0.25);}
.bottom_txt p{font-size:15px;letter-spacing:2px;opacity:0.8;}