/* Homepage visual system based on the supplied RTM design board. */
:root{--qs-blue:#126fce;--qs-deep:#082e62;--qs-ink:#122e56;--qs-muted:#64748b;--qs-line:#dbe7f2;--qs-pale:#f4f8fc}
html,body{overflow-x:hidden!important}.qs-page-title{margin:26px auto 14px;max-width:1200px;font-size:30px;line-height:1.35;color:var(--qs-deep);font-weight:800}.news_content_title{height:auto!important;min-height:80px;padding:10px 0}.news_content_title h1{margin:0 0 8px!important;font-size:24px!important;line-height:1.45!important;color:#333}.news_content_title p{margin:0;line-height:1.8}body{background:#edf5fc!important;color:var(--qs-ink)!important;font-family:"Microsoft YaHei",Arial,sans-serif!important}.seo-page-title{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.totalwidth{width:min(1200px,calc(100% - 48px))!important}.qs-home{font-size:14px}.qs-home a{text-decoration:none}.qs-hero{position:relative;min-height:530px;overflow:hidden;background:#dfeefa}.qs-hero-media{position:absolute;inset:0;background-image:url('/img/main/cp/1-max.png');background-size:cover;background-position:center 46%;filter:saturate(.9)}.qs-hero-inner{position:relative;min-height:530px;padding-top:92px;padding-bottom:0;display:flex;flex-direction:column;justify-content:space-between}.qs-hero-copy{color:#fff}.qs-eyebrow,.qs-label{font-size:12px;letter-spacing:2px;font-weight:700;color:var(--qs-blue)}.qs-hero .qs-eyebrow{color:#bcdcff}.qs-hero h1{margin:18px 0 12px;font-size:42px;line-height:1.3;font-weight:400;letter-spacing:1px}.qs-hero h1 strong{font-weight:800}.qs-hero p{margin:0 0 20px;font-size:16px;letter-spacing:2px}.qs-hero-points{display:flex;gap:12px;margin-bottom:26px}.qs-hero-points span{padding:8px 14px;background:rgba(255,255,255,.9);color:var(--qs-deep);border-radius:18px;font-size:12px;font-weight:700}.qs-primary,.qs-outline{display:inline-flex;align-items:center;gap:14px;border-radius:24px;padding:12px 20px;background:var(--qs-blue);color:#fff!important;font-weight:700}.qs-primary b,.qs-outline b{font-size:18px}.qs-hero-stats{display:grid;grid-template-columns:repeat(4,1fr);padding:20px 30px;background:rgba(255,255,255,.94);color:var(--qs-blue);border-radius:12px 12px 0 0}.qs-hero-stats div{text-align:center;border-right:1px solid #cfe0f0}.qs-hero-stats div:last-child{border:0}.qs-hero-stats strong{display:block;font-size:27px}.qs-hero-stats strong span,.qs-about-stats span{font-size:15px}.qs-hero-stats small{display:block;color:var(--qs-muted);margin-top:4px}
.qs-section{padding:70px 0 0}.qs-section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:25px}.qs-section-head h2{margin:9px 0 4px;font-size:30px;letter-spacing:1px}.qs-section-head p{margin:0;color:var(--qs-muted)}.qs-section-head>a{color:var(--qs-blue);font-size:13px;font-weight:700}.qs-section-head>a b{font-size:18px;margin-left:6px}.qs-products-grid{display:grid;grid-template-columns:1fr 1.45fr;gap:14px}.qs-product-feature,.qs-product-list a,.qs-case-grid>a,.qs-solution-grid>a,.qs-news-feature{display:block;background:#fff;border:1px solid var(--qs-line);border-radius:10px;overflow:hidden;box-shadow:0 5px 18px rgba(45,91,135,.07)}.qs-product-feature img{width:100%;height:310px;object-fit:cover;display:block}.qs-product-feature div{padding:18px 20px}.qs-product-feature h3{margin:0 0 7px;font-size:18px}.qs-product-feature p{margin:0;color:var(--qs-muted);font-size:12px}.qs-product-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.qs-product-list a{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr auto auto;column-gap:10px;padding-bottom:13px}.qs-product-list img{grid-column:1/3;width:100%;height:142px;object-fit:cover}.qs-product-list b{padding:10px 0 0 13px;font-size:14px}.qs-product-list small{grid-column:1/3;padding:4px 13px 0;color:var(--qs-muted);font-size:11px}.qs-products a:hover,.qs-cases a:hover,.qs-solutions a:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(25,100,190,.14);transition:.25s}
.qs-filter,.qs-news-tabs{display:flex;gap:10px;margin-bottom:18px}.qs-filter a,.qs-news-tabs a{padding:8px 17px;border-radius:18px;color:var(--qs-muted);background:#f3f6fa;font-size:12px}.qs-filter a.active,.qs-news-tabs a.active{background:var(--qs-blue);color:#fff}.qs-filter a.active{background:linear-gradient(160deg,#0e6cc5 0%,#15529a 100%);box-shadow:0 8px 16px rgba(10,88,165,.2);color:#fff}.qs-case-grid{display:grid;grid-template-columns:1.2fr repeat(2,1fr);grid-template-rows:repeat(2,1fr);gap:12px}.qs-case-grid>a{display:grid;grid-template-rows:140px auto}.qs-case-grid img{width:100%;height:100%;object-fit:cover}.qs-case-grid div{padding:11px 13px}.qs-case-grid b,.qs-case-grid small{display:block}.qs-case-grid b{font-size:13px}.qs-case-grid small{margin-top:6px;color:var(--qs-muted);font-size:11px}.qs-case-large{grid-row:1/3;grid-template-rows:1fr auto!important}.qs-case-large img{min-height:330px}.qs-solutions{padding-bottom:0}.qs-solution-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.qs-solution-grid>a{display:flex;flex-direction:column;padding-bottom:16px}.qs-solution-grid img{width:100%;height:215px;object-fit:contain;background:#fff}.qs-solution-grid b{margin:11px 14px 4px;font-size:14px}.qs-solution-grid small{margin:0 14px;color:var(--qs-muted);line-height:1.7;font-size:11px;min-height:38px}.qs-solution-grid em{margin:7px 14px 0;color:var(--qs-blue);font-style:normal;font-size:20px}
.qs-advantages{padding-bottom:0}.qs-advantage-layout{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:center;padding:32px 45px;background:#fff url('/style/images/20190222162143_143279800.jpg') center bottom/100% 42% no-repeat;border-radius:10px;border:1px solid var(--qs-line)}.qs-advantage-item{text-align:center;padding:20px 10px}.qs-advantage-item strong{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border:2px solid var(--qs-blue);border-radius:50%;color:var(--qs-blue);font-size:18px}.qs-advantage-item h3{margin:12px 0 5px;font-size:15px}.qs-advantage-item p{margin:0;color:var(--qs-muted);font-size:11px;line-height:1.7}.qs-advantage-core{grid-column:2/4;grid-row:1/3;justify-self:center;width:210px;height:210px;border:14px solid #e7f2ff;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff;box-shadow:0 0 0 1px #b8d8fb;color:var(--qs-blue)}.qs-advantage-core b{font-size:25px}.qs-advantage-core strong{font-size:18px;margin:3px 0}.qs-advantage-core span{font-size:11px;color:var(--qs-muted)}
.qs-news{padding-bottom:70px}.qs-news-layout{display:grid;grid-template-columns:1fr 1.35fr;gap:18px}.qs-news-feature img{width:100%;height:170px;object-fit:cover}.qs-news-feature small,.qs-news-feature h3,.qs-news-feature p,.qs-news-feature span{display:block;margin-left:16px;margin-right:16px}.qs-news-feature small{margin-top:12px;color:var(--qs-muted);font-size:11px}.qs-news-feature h3{margin-top:8px;margin-bottom:6px;font-size:16px}.qs-news-feature p{margin-top:0;color:var(--qs-muted);font-size:12px}.qs-news-feature span{display:inline-block;margin-top:5px;padding:8px 16px;border-radius:18px;background:#d9ebff;color:var(--qs-blue);font-size:12px;font-weight:700}.qs-news-list{display:flex;flex-direction:column}.qs-news-list a{display:grid;grid-template-columns:55px 1fr 20px;gap:14px;align-items:center;padding:13px 10px;border-bottom:1px solid var(--qs-line);color:var(--qs-ink)}.qs-news-list time{padding:6px;border-radius:12px;background:#f3f6fa;color:var(--qs-muted);font-size:11px;text-align:center}.qs-news-list b{font-size:13px;font-weight:500}.qs-news-list i{color:var(--qs-blue);font-style:normal}
.qs-about,.qs-contact{position:relative;overflow:hidden;color:#fff}.qs-about{min-height:470px;background:#0f5fae}.qs-about-bg,.qs-contact-bg{position:absolute;inset:0;background-image:url('/img/main/cp/5-max.png');background-size:cover;background-position:center}.qs-about-inner,.qs-contact-inner{position:relative;min-height:365px;padding-top:62px}.qs-about .qs-label,.qs-contact .qs-label{color:#b9d8ff}.qs-about h2,.qs-contact h2{font-size:28px;margin:10px 0 16px}.qs-about h3,.qs-contact h3{font-size:23px;line-height:1.45;font-weight:400;margin:0 0 16px}.qs-about p{width:370px;line-height:1.9;color:#d3e6fb;font-size:12px}.qs-outline{margin-top:10px;background:transparent;border:1px solid #fff}.qs-about-slogan{position:absolute;right:10px;top:88px;font-size:32px;font-family:cursive;transform:rotate(-5deg)}.qs-about-slogan small{display:block;text-align:center;font:10px/1.6 Arial;letter-spacing:2px;margin-top:6px}.qs-about-stats{position:absolute;bottom:22px;left:280px;display:flex;gap:44px}.qs-about-stats b{font-size:25px}.qs-about-stats small{display:block;font-size:10px;font-weight:400;margin-top:4px}.qs-about-links{position:relative;margin-top:-1px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.qs-about-links a{display:flex;align-items:center;gap:12px;padding:19px 25px;background:#fff;color:var(--qs-ink);border-radius:5px 5px 0 0;font-size:13px;font-weight:700}.qs-about-links b{color:var(--qs-blue);font-size:20px}.qs-about-links i{margin-left:auto;color:var(--qs-blue);font-style:normal;font-size:18px}
.qs-contact{min-height:510px}.qs-contact-bg{background-image:url('/img/main/cp/8-max.png')}.qs-contact-inner{display:grid;grid-template-columns:1fr 440px;gap:70px;min-height:510px;padding-top:56px}.qs-contact-line{display:flex;gap:14px;margin:17px 0;color:#e2efff;font-size:13px}.qs-contact-line b{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid #b8d7fa;border-radius:50%;font-size:16px}.qs-contact-line small{display:block;color:#a6c5e7;font-size:10px;margin-top:3px}.qs-contact-qr{width:92px;height:92px;object-fit:cover;margin-top:2px}.qs-contact-form{align-self:start;margin-top:0;padding:28px;background:rgba(255,255,255,.96);border-radius:6px;color:var(--qs-ink)}.qs-contact-form label{display:block;font-size:12px;margin-bottom:13px}.qs-contact-form em{color:#e74b55;font-style:normal}.qs-contact-form input,.qs-contact-form textarea{display:block;width:100%;margin-top:7px;border:0;border-radius:5px;background:#f1f5fa;padding:12px 14px;box-sizing:border-box;font:12px inherit}.qs-contact-form textarea{height:88px;resize:vertical}.qs-contact-form button{width:100%;border:0;border-radius:22px;padding:13px;background:var(--qs-blue);color:#fff;font-weight:700;cursor:pointer}.qs-contact-form button:hover{background:#095aaa}
.qs-home+.link_bg{margin-top:0!important}.footWrap{margin-top:0!important}
@media(max-width:900px){.qs-hero{min-height:560px}.qs-hero-inner{min-height:560px;padding-top:60px}.qs-hero h1{font-size:34px}.qs-products-grid,.qs-news-layout,.qs-contact-inner{grid-template-columns:1fr}.qs-solution-grid{grid-template-columns:repeat(2,1fr)}.qs-case-grid{grid-template-columns:repeat(2,1fr)}.qs-case-large{grid-row:auto;grid-column:1/3}.qs-case-large img{min-height:220px}.qs-advantage-layout{grid-template-columns:repeat(2,1fr);padding:20px}.qs-advantage-core{grid-column:1/3;grid-row:auto}.qs-about-stats{left:0;bottom:18px;gap:22px}.qs-about-slogan{right:0}.qs-contact-inner{gap:20px}.qs-contact-form{margin-bottom:40px}.qs-about-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.totalwidth{width:calc(100% - 28px)!important}.qs-hero-points{flex-wrap:wrap}.qs-hero-stats{padding:16px 6px}.qs-hero-stats strong{font-size:20px}.qs-section{padding-top:45px}.qs-section-head{display:block}.qs-section-head>a{display:inline-block;margin-top:15px}.qs-product-list{grid-template-columns:1fr}.qs-case-grid,.qs-solution-grid{grid-template-columns:1fr}.qs-case-large{grid-column:auto}.qs-advantage-layout{grid-template-columns:1fr}.qs-advantage-core{grid-column:auto}.qs-about-inner{padding-top:45px}.qs-about-slogan{position:static;margin-top:30px}.qs-about-stats{position:static;margin-top:30px;gap:15px}.qs-about-stats b{font-size:18px}.qs-about-links{grid-template-columns:1fr 1fr}.qs-contact-inner{padding-top:44px}.qs-contact h3{font-size:20px}}

.qs-hero-media:after,.qs-about-bg:after,.qs-contact-bg:after{content:"";position:absolute;inset:0;background:rgba(6,54,115,.52)}
.qs-about-bg:after{background:rgba(3,47,105,.74)}.qs-contact-bg:after{background:rgba(3,35,78,.82)}

/* Fluid desktop scale: body content grows with 1080p, 2K, and ultrawide screens. */
.qs-home>.totalwidth{width:min(2200px,calc(100% - 64px))!important}
.qs-hero,.qs-hero-inner{min-height:clamp(530px,36vw,760px)}
.qs-hero-inner{padding-top:clamp(70px,6vw,130px)}
.qs-hero h1{font-size:clamp(42px,3.2vw,68px)}
.qs-section{padding-top:clamp(58px,4.3vw,90px)}
.qs-section-head h2{font-size:clamp(30px,2.2vw,46px)}
.qs-product-feature img{height:clamp(300px,18vw,440px)}
.qs-product-list img{height:clamp(142px,9vw,220px)}
.qs-case-grid>a{grid-template-rows:clamp(140px,10vw,240px) auto}
.qs-case-large img{min-height:clamp(330px,20vw,500px)}
.qs-solution-grid img{height:clamp(215px,14vw,340px)}
.qs-advantage-layout{min-height:clamp(420px,31vw,620px);grid-template-columns:1fr minmax(210px,clamp(210px,16vw,330px)) 1fr;grid-template-rows:repeat(3,1fr);padding:clamp(28px,3vw,62px) clamp(45px,7vw,150px);gap:clamp(18px,3vw,58px);position:relative}
.qs-advantage-item{padding:10px}.qs-advantage-item:nth-child(1){grid-column:1;grid-row:1}.qs-advantage-item:nth-child(2){grid-column:3;grid-row:1}.qs-advantage-item:nth-child(4){grid-column:1;grid-row:2}.qs-advantage-item:nth-child(5){grid-column:3;grid-row:2}.qs-advantage-item:nth-child(6){grid-column:1;grid-row:3}.qs-advantage-item:nth-child(7){grid-column:3;grid-row:3}.qs-advantage-core{grid-column:2;grid-row:1/4;width:clamp(210px,16vw,330px);height:clamp(210px,16vw,330px);border-width:clamp(12px,1vw,22px)}
.qs-advantage-icon{background-repeat:no-repeat!important;background-position:center!important;background-size:60% 60%!important;background-color:#fff!important}.qs-advantage-item:nth-child(1) .qs-advantage-icon,.qs-advantage-item:nth-child(5) .qs-advantage-icon{background-image:url('/style/images/20190222172057_17994421.png')!important}.qs-advantage-item:nth-child(2) .qs-advantage-icon,.qs-advantage-item:nth-child(6) .qs-advantage-icon{background-image:url('/style/images/20190222172151_1481866272.png')!important}.qs-advantage-item:nth-child(4) .qs-advantage-icon,.qs-advantage-item:nth-child(7) .qs-advantage-icon{background-image:url('/style/images/20190222172213_829008872.png')!important}
.qs-advantage-layout:before{content:"";position:absolute;left:clamp(110px,14vw,280px);right:clamp(110px,14vw,280px);top:50%;border-top:1px solid #c8e1fb;z-index:0}.qs-advantage-item,.qs-advantage-core{position:relative;z-index:1}
.qs-news-feature img{height:clamp(170px,12vw,280px)}
.qs-about-inner{min-height:clamp(365px,28vw,560px);padding-top:clamp(55px,4vw,90px)}.qs-about{min-height:clamp(470px,36vw,760px)}.qs-contact,.qs-contact-inner{min-height:clamp(510px,39vw,820px)}
@media(max-width:900px){.qs-home>.totalwidth{width:calc(100% - 48px)!important}.qs-hero,.qs-hero-inner{min-height:560px}.qs-hero h1{font-size:34px}.qs-advantage-layout{min-height:600px;grid-template-columns:repeat(2,1fr);padding:20px;gap:10px}.qs-advantage-layout:before{display:none}.qs-advantage-item:nth-child(n){grid-column:auto;grid-row:auto}.qs-advantage-core{grid-column:1/3;grid-row:auto;width:210px;height:210px}.qs-about,.qs-contact,.qs-about-inner,.qs-contact-inner{min-height:510px}}

/* Vertical desktop scale: preserve the visual weight on 1080p, 2K, and taller screens. */
@media(min-width:901px){
  .qs-hero,.qs-hero-inner{min-height:clamp(640px,70vh,940px)}
  .qs-hero-inner{padding-top:clamp(76px,8vh,130px)}
  .qs-section{padding-top:clamp(62px,6vh,96px)}
  .qs-product-feature img{height:clamp(360px,50vh,680px)}
  .qs-product-list img{height:clamp(170px,25vh,320px)}
  .qs-case-grid>a{grid-template-rows:clamp(170px,23vh,300px) auto}
  .qs-case-large img{min-height:clamp(380px,48vh,720px)}
  .qs-solution-grid img{height:clamp(230px,29vh,390px)}
  .qs-advantage-layout{min-height:clamp(500px,55vh,790px)}
  .qs-news-feature img{height:clamp(200px,27vh,360px)}
  .qs-about{min-height:clamp(560px,72vh,980px)}
  .qs-about-inner{min-height:clamp(420px,57vh,780px)}
  .qs-contact,.qs-contact-inner{min-height:clamp(600px,78vh,1000px)}
}

/* Advantage board: six horizontal callouts around the branded center. */
.qs-advantage-layout{background:#fff;overflow:hidden}
.qs-advantage-layout:after{content:"";position:absolute;left:50%;top:50%;width:clamp(250px,22vw,430px);height:clamp(250px,22vw,430px);transform:translate(-50%,-50%);border:1px solid #dcecff;border-radius:50%;box-shadow:0 0 0 22px rgba(222,238,255,.42),0 0 0 52px rgba(238,247,255,.78);pointer-events:none;z-index:0}
.qs-advantage-item{display:flex;align-items:center;gap:clamp(16px,1.8vw,32px);padding:10px 0}
.qs-advantage-item:nth-child(1),.qs-advantage-item:nth-child(4),.qs-advantage-item:nth-child(6){flex-direction:row-reverse;text-align:right;justify-content:flex-start}
.qs-advantage-item:nth-child(2),.qs-advantage-item:nth-child(5),.qs-advantage-item:nth-child(7){text-align:left;justify-content:flex-start}
.qs-advantage-item>div{min-width:0}
.qs-advantage-item h3{margin:0 0 5px;color:var(--qs-deep);font-size:clamp(15px,1.1vw,21px)}
.qs-advantage-item p{font-size:clamp(11px,.8vw,15px);line-height:1.7}
.qs-advantage-item .qs-advantage-icon{flex:none;width:clamp(56px,4vw,78px);height:clamp(56px,4vw,78px);background-size:58% 58%!important;box-shadow:0 0 0 1px #9fcaff,0 0 0 8px #f0f7ff}
.qs-advantage-core{z-index:2!important;box-shadow:0 0 0 1px #b8d8fb,0 0 0 16px #eef7ff,0 0 0 38px rgba(239,247,255,.8)}
.qs-news-panels{position:relative}
.qs-news-panel{display:none;grid-template-columns:1fr 1.35fr;gap:18px}
.qs-news-panel.is-active{display:grid}
.qs-news-feature{display:flex;flex-direction:column;align-items:flex-start;height:100%}
.qs-news-feature span{margin-top:6px;margin-bottom:18px}
.qs-news-tabs a{transition:background .2s,color .2s,transform .2s}
.qs-news-tabs a:hover{background:var(--qs-blue);color:#fff;transform:translateY(-2px)}
.qs-contact-panel{align-self:center;justify-self:end;width:min(100%,520px);padding:clamp(24px,2.3vw,38px);box-sizing:border-box;background:rgba(255,255,255,.96);border:1px solid rgba(196,222,249,.9);border-radius:10px;color:var(--qs-ink);box-shadow:0 14px 30px rgba(0,32,88,.16)}
.qs-contact-panel-label{display:block;color:var(--qs-blue);font-size:12px;font-weight:700;letter-spacing:2px}
.qs-contact-panel h3{margin:12px 0 8px;color:var(--qs-deep);font-size:clamp(20px,1.7vw,30px);font-weight:700}
.qs-contact-panel p{margin:0;color:var(--qs-muted);font-size:13px;line-height:1.8}
.qs-contact-panel-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0}
.qs-contact-panel-points span{padding:12px;border-radius:6px;background:#f2f7fd;color:var(--qs-muted);font-size:12px}
.qs-contact-panel-points b{display:block;margin-bottom:4px;color:var(--qs-blue);font-size:20px}
.qs-contact-panel-bottom{display:flex;align-items:center;gap:20px}
.qs-contact-panel-bottom .qs-contact-qr{width:72px;height:72px}
.qs-contact-panel-bottom .qs-primary{margin-left:auto}
@media(min-width:901px){
  .qs-contact,.qs-contact-inner{min-height:clamp(420px,42vh,600px)}
  .qs-contact-inner{padding-top:0}
}
@media(max-width:900px){
  .qs-advantage-item{gap:12px;padding:8px 0}
  .qs-advantage-item h3{font-size:14px}
  .qs-advantage-item p{font-size:10px}
  .qs-advantage-item .qs-advantage-icon{width:52px;height:52px}
  .qs-advantage-layout:after{display:none}
  .qs-news-panel{grid-template-columns:1fr}
  .qs-contact-panel{justify-self:stretch;width:100%;margin-top:20px}
  .qs-contact-panel-bottom .qs-primary{padding:10px 14px}
}

/* Product center is a compact product matrix, distinct from the larger application cards below. */
.qs-product-catalog{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:14px}
.qs-product-card{position:relative;display:flex;flex-direction:column;min-width:0;min-height:258px;padding:18px 16px 16px;overflow:hidden;border:1px solid #d7e6f5;border-radius:12px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%);color:var(--qs-deep);box-shadow:0 8px 22px rgba(24,83,139,.08);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.qs-product-card-index{position:absolute;top:14px;right:15px;color:#8ca8c2;font-size:11px;font-weight:700;letter-spacing:1px}
.qs-product-card img{display:block;width:100%;height:clamp(92px,8vw,150px);margin:8px auto 5px;object-fit:contain;filter:drop-shadow(0 8px 10px rgba(44,99,150,.08));transition:transform .35s ease}
.qs-product-card>div{display:flex;flex-direction:column;align-items:flex-start;margin-top:auto}
.qs-product-card b{font-size:clamp(13px,1vw,17px);line-height:1.35;white-space:nowrap}
.qs-product-card small{margin-top:5px;color:var(--qs-muted);font-size:11px;line-height:1.5;white-space:nowrap}
.qs-product-card em{margin-top:11px;color:var(--qs-blue);font-size:11px;font-style:normal;opacity:.86}
.qs-product-card:hover{transform:translateY(-6px);border-color:#86bdf0;box-shadow:0 16px 30px rgba(15,101,190,.16)}
.qs-product-card:hover img{transform:scale(1.08) translateY(-3px)}
.qs-product-card:hover em{opacity:1}
.qs-product-card.is-featured{border-color:#1678d2;background:linear-gradient(160deg,#0e6cc5 0%,#15529a 100%);color:#fff;box-shadow:0 14px 28px rgba(10,88,165,.25)}
.qs-product-card.is-featured .qs-product-card-index,.qs-product-card.is-featured small{color:rgba(255,255,255,.68)}
.qs-product-card.is-featured em{color:#bfe2ff}
@media(max-width:1100px){.qs-product-catalog{grid-template-columns:repeat(4,minmax(0,1fr))}.qs-product-card{min-height:240px}}
@media(max-width:600px){.qs-product-catalog{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.qs-product-card{min-height:220px;padding:14px 12px}.qs-product-card img{height:100px}.qs-product-card small{font-size:10px}}
@media(max-width:380px){.qs-product-catalog{grid-template-columns:1fr 1fr}.qs-product-card b{font-size:13px}.qs-product-card small{white-space:normal}}

/* Product center: give the product system a full viewport stage and room for the planned photovoltaic carport. */
.qs-home>.qs-products{width:100%!important;max-width:none!important;box-sizing:border-box;min-height:clamp(720px,100vh,1120px);padding:clamp(64px,8vh,112px) 32px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(180deg,#f4f9ff 0%,#edf5fc 100%)}
.qs-products>.qs-section-head,.qs-products>.qs-product-catalog{width:min(2200px,100%);margin-left:auto;margin-right:auto}
.qs-products>.qs-section-head{margin-bottom:clamp(24px,3vh,42px)}
.qs-products>.qs-section-head h2{font-size:clamp(34px,3vw,54px)}
.qs-product-catalog{grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,1.4vw,30px)}
.qs-product-card{min-height:clamp(278px,31vh,390px);padding:clamp(20px,1.7vw,30px) clamp(18px,1.5vw,28px) clamp(18px,1.4vw,26px);border-radius:16px}
.qs-product-card img{height:clamp(150px,18vh,235px);margin:10px auto 8px}
.qs-product-card b{font-size:clamp(16px,1.35vw,23px)}
.qs-product-card small{font-size:clamp(11px,.8vw,14px);margin-top:7px}
.qs-product-card em{font-size:clamp(11px,.8vw,14px);margin-top:14px}
.qs-product-card.is-coming{border:1px dashed #9fc6e9;background:linear-gradient(145deg,#f9fcff,#eaf4fd);color:var(--qs-deep)}
.qs-product-card.is-coming:hover{border-style:solid}
.qs-product-card.is-coming .qs-product-card-index{color:#8aa9c5}
.qs-product-coming-icon{display:flex;align-items:center;justify-content:center;width:clamp(96px,8vw,138px);height:clamp(96px,8vw,138px);margin:clamp(12px,2vh,22px) auto 8px;border:1px solid #b5d4ef;border-radius:50%;background:radial-gradient(circle at 50% 45%,#fff 0,#edf7ff 64%,#dbeefe 100%);color:#3d97df;font-size:clamp(46px,4vw,68px);line-height:1;box-shadow:0 8px 20px rgba(35,119,190,.12)}
.qs-product-card.is-coming b{color:var(--qs-deep)}
.qs-product-card.is-coming em{color:#4e95cb}
@media(max-width:1100px){.qs-home>.qs-products{min-height:auto;padding-top:70px;padding-bottom:70px}.qs-product-catalog{grid-template-columns:repeat(4,minmax(0,1fr))}.qs-product-card{min-height:260px}.qs-product-card img{height:150px}}
@media(max-width:700px){.qs-home>.qs-products{padding-left:18px;padding-right:18px}.qs-product-catalog{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.qs-product-card{min-height:240px;padding:14px 12px}.qs-product-card img{height:112px}.qs-product-coming-icon{width:92px;height:92px}.qs-product-card b{font-size:15px}.qs-product-card small{font-size:10px;white-space:normal}}

/* Homepage product system: scheme C, matching the product-centre design board. */
.qs-products-c{position:relative;width:100%!important;max-width:none!important;box-sizing:border-box;min-height:clamp(820px,100vh,1120px);padding:clamp(62px,7vh,96px) 32px clamp(36px,4vh,60px)!important;background:linear-gradient(145deg,#eef7ff 0%,#f8fbff 52%,#eaf4fc 100%);display:flex;flex-direction:column;justify-content:center;isolation:isolate;overflow:hidden}
.qs-products-c:before{content:"";position:absolute;inset:0;z-index:-1;opacity:.48;background-image:url('/style/images/qingsong-products-bg.jpg?v=20260909-products-bg1'),linear-gradient(28deg,transparent 48%,rgba(114,170,211,.12) 49%,transparent 50%),linear-gradient(152deg,transparent 48%,rgba(114,170,211,.1) 49%,transparent 50%),radial-gradient(ellipse at 18% 20%,transparent 0 17%,rgba(119,182,222,.12) 17.2% 17.5%,transparent 17.7% 28%,rgba(119,182,222,.08) 28.2% 28.4%,transparent 28.6%),radial-gradient(ellipse at 84% 78%,transparent 0 13%,rgba(119,182,222,.1) 13.2% 13.5%,transparent 13.7% 24%,rgba(119,182,222,.06) 24.2% 24.4%,transparent 24.6%);background-position:center top,0 0,0 0,0 0,0 0;background-size:cover,180px 180px,220px 220px,100% 100%,100% 100%;background-repeat:no-repeat,repeat,repeat,no-repeat,no-repeat;pointer-events:none}
.qs-products-c:after{display:none}
.qs-products-c>.qs-section-head{position:relative;display:block;width:min(2200px,100%);margin:0 auto clamp(26px,3.4vh,44px);text-align:center}
.qs-products-c>.qs-section-head>div{display:flex;flex-direction:column;align-items:center}
.qs-products-c>.qs-section-head .qs-label{font-size:13px;letter-spacing:3px}
.qs-products-c>.qs-section-head h2{margin:12px 0 9px;color:var(--qs-deep);font-size:clamp(44px,3.8vw,66px);line-height:1.16;letter-spacing:3px}
.qs-products-c>.qs-section-head p{margin:0;color:#718ba3;font-size:14px}
.qs-products-c>.qs-section-head>a{position:absolute;right:0;bottom:4px;color:var(--qs-blue);font-size:13px;font-weight:700}
.qs-products-c>.qs-section-head>a b{margin-left:7px;font-size:18px}
.qs-product-showcase{position:relative;z-index:1;display:grid;grid-template-rows:auto auto;gap:20px;width:min(2200px,100%);margin:0 auto}
.qs-product-feature-row,.qs-product-groups-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;min-width:0}
.qs-product-banner{position:relative;z-index:1;display:flex;align-items:center;min-height:302px;overflow:visible;border-radius:20px;padding:38px 42px;box-sizing:border-box;text-decoration:none;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.qs-product-banner:after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(90deg,rgba(7,36,68,.22),transparent 76%);pointer-events:none}
.qs-product-banner-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;max-width:47%}
.qs-product-banner-copy>span{font:700 12px/1.2 Arial,sans-serif;letter-spacing:2.4px;opacity:.82}
.qs-product-banner-copy h3{margin:14px 0 10px;font-size:clamp(34px,2.8vw,50px);line-height:1.2;letter-spacing:1px}
.qs-product-banner-copy p{max-width:450px;margin:0;font-size:clamp(16px,1.1vw,19px);line-height:1.8;white-space:normal;overflow-wrap:break-word;opacity:.9}
.qs-product-banner-copy em{display:inline-flex;align-items:center;gap:10px;margin-top:28px;padding:12px 20px;border:1px solid rgba(255,255,255,.72);border-radius:999px;font-size:clamp(14px,1vw,17px);font-style:normal;font-weight:700;transition:background .25s ease,color .25s ease,transform .25s ease}
.qs-product-banner-copy em b{font-size:25px;font-weight:400;line-height:1;transform:translateY(-1px)}
.qs-product-banner-copy em:hover{background:#fff;color:#155399;transform:translateY(-2px)}
.qs-product-banner>img{position:absolute;z-index:3;right:1%;bottom:0;width:56%;height:100%;object-fit:contain;pointer-events:none;transition:transform .45s cubic-bezier(.2,.75,.25,1),filter .35s ease;filter:drop-shadow(0 14px 18px rgba(8,45,83,.24))}
.qs-product-banner:hover{z-index:5;transform:translateY(-5px);box-shadow:0 18px 34px rgba(15,90,160,.2)}
.qs-product-banner:hover>img{transform:translateY(-18px) scale(1.08) rotate(-1deg);filter:drop-shadow(0 22px 22px rgba(8,45,83,.3))}
.qs-product-banner-primary{background:linear-gradient(120deg,#1a6aab 0%,#0d4e85 50%,#073b65 100%);color:#fff;box-shadow:0 14px 28px rgba(12,89,164,.22)}
.qs-product-banner-primary .qs-product-banner-copy,.qs-product-banner-primary .qs-product-banner-copy>span,.qs-product-banner-primary .qs-product-banner-copy h3,.qs-product-banner-primary .qs-product-banner-copy p{color:#fff!important}
.qs-product-banner-primary>img{filter:drop-shadow(0 14px 18px rgba(7,35,66,.25));opacity:1}
.qs-product-banner-primary .qs-product-banner-copy em{color:#c9e6ff}
.qs-product-banner-secondary{border:1px solid #6a8caa;background:linear-gradient(120deg,#3a6b8f 0%,#2a547a 50%,#1d3f5e 100%);color:#fff;box-shadow:0 14px 28px rgba(20,60,100,.22)}
.qs-product-banner-secondary .qs-product-banner-copy,.qs-product-banner-secondary .qs-product-banner-copy>span,.qs-product-banner-secondary .qs-product-banner-copy h3,.qs-product-banner-secondary .qs-product-banner-copy p{color:#fff!important}
.qs-product-banner-secondary:after{background:linear-gradient(90deg,rgba(8,30,55,.25),transparent 76%)}
.qs-product-banner-secondary .qs-product-banner-copy em{color:#bcdcff}
.qs-product-solar-art{position:absolute;z-index:1;right:10%;top:50%;display:flex;align-items:center;justify-content:center;width:178px;height:178px;transform:translateY(-50%);border:1px solid rgba(180,210,255,.5);border-radius:50%;background:radial-gradient(circle at 50% 45%,rgba(255,255,255,.92) 0,#d0e4ff 62%,rgba(155,190,230,.5) 100%);color:#2a547a;font-size:94px;line-height:1;box-shadow:0 12px 24px rgba(15,45,80,.2);transition:transform .4s ease,box-shadow .4s ease}
.qs-product-banner-solar:hover .qs-product-solar-art{transform:translateY(-50%) scale(1.05) rotate(8deg);box-shadow:0 16px 30px rgba(2,75,69,.27)}
.qs-product-group{min-width:0;padding:24px 24px 22px;border:1px solid #a8c2d8;border-radius:20px;background:rgba(248,251,255,.78);box-shadow:0 10px 22px rgba(34,91,137,.08)}
.qs-product-group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:16px;white-space:nowrap}
.qs-product-group-head>span{color:#7da1be;font:700 12px/1 Arial,sans-serif;letter-spacing:2px}
.qs-product-group-head h3{margin:0;color:var(--qs-deep);font-size:24px;line-height:1.25}
.qs-product-group-head p{margin:0 0 0 auto;color:var(--qs-muted);font-size:12px}
.qs-product-group-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(175px,.85fr);gap:14px;min-height:244px}
.qs-product-group-feature{position:relative;z-index:1;display:flex;flex-direction:column;min-width:0;overflow:visible;border:1px solid #dceaf5;border-radius:13px;background:linear-gradient(145deg,#fff 0%,#f3f9ff 100%);color:var(--qs-deep);text-decoration:none;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.qs-product-group-feature:before{content:"";position:absolute;inset:0;z-index:0;border-radius:inherit;background:radial-gradient(ellipse at 50% 34%,rgba(196,225,250,.5),transparent 56%),linear-gradient(165deg,transparent 48%,rgba(113,173,220,.08) 49%,transparent 50%);pointer-events:none}
.qs-product-group-feature:after{content:"";position:absolute;inset:0;z-index:0;border-radius:inherit;background:url('/style/images/qingsong-products-bg.jpg?v=20260909-products-bg1') center 84%/cover no-repeat;opacity:.16;mix-blend-mode:multiply;pointer-events:none}
.qs-product-group-feature>img{position:relative;z-index:2;display:block;flex:0 0 228px;width:100%;height:228px;object-fit:contain;transform:scale(1.1);transform-origin:center 48%;transition:transform .4s cubic-bezier(.2,.75,.25,1),filter .3s ease;filter:drop-shadow(0 6px 10px rgba(8,45,83,.18))}
.qs-product-group-feature>div{position:relative;z-index:1;display:flex;flex:1;flex-direction:column;justify-content:flex-end;padding:10px 64px 18px 14px}
.qs-product-group-feature b{font-size:clamp(18px,1.35vw,24px);line-height:1.3}
.qs-product-group-feature small{margin-top:6px;color:var(--qs-muted);font-size:clamp(12px,.9vw,15px);line-height:1.5}
.qs-product-group-feature i{position:absolute;right:16px;bottom:16px;display:flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid #b9dcf7;border-radius:50%;background:linear-gradient(145deg,#eaf6ff,#d3ebff);color:var(--qs-blue);font-size:24px;font-style:normal;line-height:1;box-shadow:0 6px 14px rgba(22,111,206,.12);transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease}
.qs-product-group-feature:hover{z-index:4;transform:translateY(-4px);border-color:#3a6b8f;box-shadow:0 14px 26px rgba(14,96,177,.28)}
.qs-product-group-feature:hover>img{transform:translateY(-14px) scale(1.15);filter:drop-shadow(0 14px 14px rgba(0,0,0,.25))}
.qs-product-group-feature:hover i{transform:translateX(2px) scale(1.08);background:rgba(255,255,255,.24);color:#fff;box-shadow:0 9px 18px rgba(0,0,0,.16)}
.qs-product-mini-list{display:grid;grid-template-rows:repeat(2,minmax(0,1fr));gap:12px}
.qs-product-mini{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;min-width:0;min-height:0;padding:9px 10px;overflow:visible;border:1px solid #5a8ab4;border-radius:12px;background:linear-gradient(168deg,#6a9dc6 0%,#5889b3 48%,#4d7ba0 100%);color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(34,91,137,.12),inset 0 1px 0 rgba(255,255,255,.16);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease,background .3s ease,color .3s ease}
.qs-product-mini img{position:relative;z-index:2;display:block;width:100%;height:102px;object-fit:contain;transition:transform .4s cubic-bezier(.2,.75,.25,1),filter .3s ease;filter:drop-shadow(0 4px 8px rgba(0,0,0,.18))}
.qs-product-mini b{margin-top:auto;font-size:14px;line-height:1.3;white-space:nowrap;color:#fff}
.qs-product-mini small{margin-top:4px;color:rgba(255,255,255,.65);font-size:10px;line-height:1.25;white-space:nowrap}
.qs-product-mini i{position:absolute;right:10px;bottom:10px;display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid rgba(255,255,255,.3);border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:19px;font-style:normal;line-height:1;opacity:0;transform:translateX(-4px);transition:opacity .2s ease,transform .2s ease,background .2s ease,color .2s ease}
.qs-product-mini:hover{z-index:4;transform:translateY(-4px);border-color:#2a547a;background:linear-gradient(168deg,#2a547a 0%,#1d3f5e 100%);box-shadow:0 12px 24px rgba(14,96,177,.3);color:#fff}
.qs-product-mini:hover img{transform:translateY(-10px) scale(1.12);filter:drop-shadow(0 10px 10px rgba(0,0,0,.25))}
.qs-product-mini:hover small{color:rgba(255,255,255,.72)}
.qs-product-mini:hover i{opacity:1;transform:translateX(0) scale(1.05);background:rgba(255,255,255,.22);color:#fff}
.qs-product-info-bar{position:relative;display:flex;align-items:center;gap:18px;width:min(2200px,100%);margin:22px auto 0;padding:15px 24px;overflow:hidden;border:1px solid #cfe3f4;border-radius:18px;background:linear-gradient(100deg,rgba(255,255,255,.94),rgba(245,251,255,.86)),url('/style/images/qingsong-products-bg.jpg?v=20260909-products-bg1') center 76%/cover no-repeat;color:#3d5872;font-size:15px;box-sizing:border-box;box-shadow:0 10px 24px rgba(34,91,137,.08)}
.qs-product-info-bar span{position:relative;z-index:1;display:flex;flex:0 0 auto;align-items:baseline;justify-content:flex-start;gap:9px;min-width:0;color:#3d5872;font-size:15px;font-weight:600;white-space:nowrap}.qs-product-info-bar span b{color:var(--qs-blue);font-size:32px;line-height:1;font-weight:800;letter-spacing:-1px}.qs-product-info-bar>i{position:relative;z-index:1;flex:0 0 auto;height:34px;border-left:1px solid #cfe0ef}.qs-product-info-bar>a{position:relative;z-index:1;display:inline-flex;align-items:center;gap:10px;margin-left:auto;padding:10px 14px 10px 18px;border:1px solid #b8d9f3;border-radius:999px;background:rgba(255,255,255,.78);color:var(--qs-blue);font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap;transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease}.qs-product-info-bar>a b{display:inline-flex;align-items:center;justify-content:center;width:27px;height:27px;border-radius:50%;background:#dcefff;color:var(--qs-blue);font-size:19px;line-height:1}.qs-product-info-bar>a:hover{transform:translateY(-2px);background:var(--qs-blue);color:#fff;box-shadow:0 8px 16px rgba(18,111,206,.2)}.qs-product-info-bar>a:hover b{background:rgba(255,255,255,.2);color:#fff}
@media(max-width:1050px){.qs-products-c{min-height:auto;padding-top:72px!important;padding-bottom:54px!important}.qs-product-showcase{gap:16px}.qs-product-feature-row,.qs-product-groups-row{gap:16px}.qs-product-banner{min-height:230px;padding:24px}.qs-product-group{padding:16px 14px}.qs-product-group-layout{grid-template-columns:minmax(0,1fr) minmax(130px,.85fr)}.qs-product-group-feature>img{height:132px;flex-basis:132px}.qs-product-mini img{height:70px}}
@media(max-width:700px){.qs-products-c{padding-left:18px!important;padding-right:18px!important}.qs-products-c>.qs-section-head{display:block}.qs-products-c>.qs-section-head>div{align-items:flex-start;text-align:left}.qs-products-c>.qs-section-head h2{font-size:36px}.qs-products-c>.qs-section-head>a{position:static;display:inline-flex;margin-top:15px}.qs-product-feature-row,.qs-product-groups-row{grid-template-columns:1fr;gap:14px}.qs-product-banner{min-height:210px;padding:22px}.qs-product-banner-copy{max-width:56%}.qs-product-banner>img{width:56%;height:88%}.qs-product-solar-art{right:9%;width:112px;height:112px;font-size:62px}.qs-product-group-head{display:block;white-space:normal}.qs-product-group-head h3{margin-top:7px}.qs-product-group-head p{margin-top:4px}.qs-product-group-layout{min-height:190px}.qs-product-group-feature>img{height:130px;flex-basis:130px}.qs-product-mini img{height:68px}.qs-product-info-bar{flex-wrap:wrap;gap:12px;padding:12px 14px}.qs-product-info-bar span{flex:1 1 30%;font-size:13px}.qs-product-info-bar span b{font-size:24px}.qs-product-info-bar>i{display:none}.qs-product-info-bar>a{width:100%;margin-left:0}}
@media(max-width:430px){.qs-product-group-layout{grid-template-columns:minmax(0,1fr) minmax(118px,.85fr);gap:8px}.qs-product-group-feature>img{height:115px}.qs-product-group-feature>div{padding:7px 48px 10px 9px}.qs-product-group-feature b{font-size:12px}.qs-product-group-feature i{right:9px;bottom:10px;width:34px;height:34px;font-size:19px}.qs-product-mini{padding:8px}.qs-product-mini img{height:56px}.qs-product-mini b{font-size:10px}.qs-product-mini small{font-size:8px}.qs-product-banner-copy h3{font-size:22px}.qs-product-banner-copy p{font-size:11px}.qs-product-banner-copy em{margin-top:14px}}

/* Premium glass treatment for hero statistics. */
.qs-hero-stats{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.72);background:rgba(248,252,255,.68);backdrop-filter:blur(16px) saturate(1.18);-webkit-backdrop-filter:blur(16px) saturate(1.18);border-radius:16px 16px 0 0;box-shadow:0 -10px 30px rgba(7,39,77,.12),inset 0 1px 0 rgba(255,255,255,.86)}
.qs-hero-stats:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(255,255,255,.28),transparent 42%,rgba(176,222,255,.2));pointer-events:none}
.qs-hero-stats div{position:relative;z-index:1;border-right-color:rgba(180,211,236,.78)}
.qs-hero-stats strong{font-size:clamp(30px,2.2vw,42px);line-height:1.05;letter-spacing:-1px;font-weight:800;text-shadow:0 2px 8px rgba(18,111,206,.12)}
.qs-hero-stats strong span{font-size:18px;letter-spacing:0}
.qs-hero-stats small{margin-top:7px;color:#4e6781;font-size:13px;letter-spacing:1px;font-weight:600}
@media(max-width:560px){.qs-hero-stats{padding:16px 6px}.qs-hero-stats strong{font-size:20px}.qs-hero-stats strong span{font-size:14px}.qs-hero-stats small{font-size:11px;letter-spacing:0}}
/* Application-case filters: readable labels with immediate hover feedback. */
.qs-filter{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.qs-filter a{padding:10px 20px;border:1px solid transparent;border-radius:999px;color:#4c6680;background:rgba(255,255,255,.72);font-size:14px;font-weight:600;letter-spacing:.2px;box-shadow:0 4px 12px rgba(34,91,137,.06);transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;cursor:pointer}
.qs-filter a.active{background:linear-gradient(160deg,#0e6cc5 0%,#15529a 100%);border-color:#1b78d1;box-shadow:0 8px 16px rgba(10,88,165,.2);color:#fff}
.qs-filter a:hover{background:linear-gradient(160deg,#167edb 0%,#1261b0 100%);border-color:#4a9de3;color:#fff;transform:translateY(-2px);box-shadow:0 9px 18px rgba(10,88,165,.2)}
.qs-filter a:focus-visible{outline:3px solid rgba(22,126,219,.3);outline-offset:3px}
@media(max-width:700px){.qs-filter{gap:8px;margin-bottom:16px}.qs-filter a{padding:8px 14px;font-size:13px}}
/* Liquid-glass treatment for the hero metrics. */
.qs-hero-stats{isolation:isolate;border:1px solid rgba(255,255,255,.86);background:linear-gradient(125deg,rgba(255,255,255,.7) 0%,rgba(220,239,255,.43) 43%,rgba(245,252,255,.62) 100%);backdrop-filter:blur(22px) saturate(1.55) contrast(1.04);-webkit-backdrop-filter:blur(22px) saturate(1.55) contrast(1.04);border-radius:20px 20px 0 0;box-shadow:0 -12px 34px rgba(6,45,89,.16),inset 0 1px 0 rgba(255,255,255,.98),inset 0 -1px 0 rgba(122,177,220,.2)}
.qs-hero-stats:before{content:"";position:absolute;inset:-35% -8%;z-index:0;background:radial-gradient(ellipse at 16% 20%,rgba(255,255,255,.72) 0%,rgba(255,255,255,0) 34%),radial-gradient(ellipse at 82% 75%,rgba(90,183,255,.24) 0%,rgba(90,183,255,0) 39%),linear-gradient(110deg,rgba(255,255,255,.18),rgba(148,215,255,.08) 44%,rgba(255,255,255,.26));filter:blur(10px);pointer-events:none}
.qs-hero-stats:after{content:"";position:absolute;top:0;left:8%;right:8%;height:1px;z-index:2;background:linear-gradient(90deg,transparent,rgba(255,255,255,.98) 18%,rgba(255,255,255,.98) 82%,transparent);box-shadow:0 0 16px rgba(255,255,255,.9);pointer-events:none}
.qs-hero-stats div{z-index:3;border-right-color:rgba(169,207,235,.72)}
.qs-hero-stats strong{color:#0871d3;text-shadow:0 2px 10px rgba(7,87,170,.16)}
.qs-hero-stats small{color:#355675;text-shadow:0 1px 3px rgba(255,255,255,.55)}
/* Clear crystal liquid-glass refinement. */
.qs-hero-stats{background:linear-gradient(120deg,rgba(255,255,255,.34) 0%,rgba(214,239,255,.2) 45%,rgba(246,252,255,.31) 100%);backdrop-filter:blur(24px) saturate(1.7) contrast(1.06);-webkit-backdrop-filter:blur(24px) saturate(1.7) contrast(1.06);border-color:rgba(255,255,255,.9);box-shadow:0 -10px 28px rgba(4,39,78,.13),inset 0 1px 0 rgba(255,255,255,.98),inset 0 -1px 0 rgba(101,174,229,.18)}
.qs-hero-stats:before{inset:-42% -10%;background:radial-gradient(ellipse at 12% 12%,rgba(255,255,255,.55) 0%,rgba(255,255,255,0) 31%),radial-gradient(ellipse at 84% 78%,rgba(72,175,255,.18) 0%,rgba(72,175,255,0) 38%),linear-gradient(112deg,rgba(255,255,255,.12),rgba(150,218,255,.05) 48%,rgba(255,255,255,.16));filter:blur(12px)}
.qs-hero-stats:after{left:7%;right:7%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.98) 20%,rgba(255,255,255,.98) 80%,transparent);box-shadow:0 0 14px rgba(255,255,255,.82)}
.qs-hero-stats strong{color:#056bc9;text-shadow:0 2px 9px rgba(255,255,255,.6),0 2px 10px rgba(7,87,170,.12)}
.qs-hero-stats small{color:#294c70;text-shadow:0 1px 3px rgba(255,255,255,.68)}
/* iOS-style liquid glass: crisp type, thin material, refined edge. */
.qs-hero-stats{margin-bottom:14px;border:1px solid rgba(255,255,255,.72);border-radius:22px;background:linear-gradient(135deg,rgba(255,255,255,.22) 0%,rgba(224,242,255,.12) 48%,rgba(255,255,255,.2) 100%);backdrop-filter:blur(24px) saturate(1.65);-webkit-backdrop-filter:blur(24px) saturate(1.65);box-shadow:0 10px 25px rgba(4,35,70,.15),inset 0 1px 0 rgba(255,255,255,.9),inset 0 -1px 0 rgba(111,177,224,.2);background-clip:padding-box}
.qs-hero-stats:before{inset:-38% -8%;background:radial-gradient(ellipse at 13% 10%,rgba(255,255,255,.38) 0%,transparent 30%),radial-gradient(ellipse at 85% 78%,rgba(70,177,255,.14) 0%,transparent 38%),linear-gradient(115deg,rgba(255,255,255,.08),rgba(151,219,255,.03) 48%,rgba(255,255,255,.1));filter:blur(14px)}
.qs-hero-stats:after{top:1px;left:9%;right:9%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.92) 22%,rgba(255,255,255,.92) 78%,transparent);box-shadow:0 0 10px rgba(255,255,255,.62)}
.qs-hero-stats strong{font-weight:750;text-shadow:none;-webkit-font-smoothing:antialiased}
.qs-hero-stats small{text-shadow:none;-webkit-font-smoothing:antialiased}
@media(max-width:560px){.qs-hero-stats{margin-bottom:10px;border-radius:18px}}
/* Readable iOS glass variant: preserve transparency while restoring contrast. */
.qs-hero-stats{background:linear-gradient(135deg,rgba(248,253,255,.56) 0%,rgba(221,240,255,.42) 48%,rgba(247,252,255,.52) 100%);backdrop-filter:blur(24px) saturate(1.45) contrast(1.03);-webkit-backdrop-filter:blur(24px) saturate(1.45) contrast(1.03);border-color:rgba(255,255,255,.88);box-shadow:0 10px 25px rgba(4,35,70,.13),inset 0 1px 0 rgba(255,255,255,.98),inset 0 -1px 0 rgba(83,157,214,.22)}
.qs-hero-stats:before{inset:-35% -8%;background:radial-gradient(ellipse at 16% 14%,rgba(255,255,255,.7) 0%,transparent 32%),radial-gradient(ellipse at 84% 82%,rgba(83,180,255,.16) 0%,transparent 40%),linear-gradient(112deg,rgba(255,255,255,.16),rgba(143,213,255,.07) 48%,rgba(255,255,255,.2));filter:blur(12px)}
.qs-hero-stats div{border-right-color:rgba(255,255,255,.62)}
.qs-hero-stats strong{color:#066dcc;text-shadow:0 1px 0 rgba(255,255,255,.72),0 2px 7px rgba(0,53,112,.2)}
.qs-hero-stats small{color:#173f67;font-weight:700;letter-spacing:.7px;text-shadow:0 1px 0 rgba(255,255,255,.62),0 1px 3px rgba(255,255,255,.25)}
/* Final legibility pass: sharp typography over a restrained glass layer. */
.qs-hero-stats{background:linear-gradient(135deg,rgba(250,253,255,.68) 0%,rgba(225,241,252,.56) 50%,rgba(250,253,255,.65) 100%);backdrop-filter:blur(22px) saturate(1.35);-webkit-backdrop-filter:blur(22px) saturate(1.35)}
.qs-hero-stats strong{color:#056dcc;font-weight:800;text-shadow:none;letter-spacing:-.8px;font-synthesis:none;text-rendering:geometricPrecision}
.qs-hero-stats strong span{font-size:19px;font-weight:750;letter-spacing:0}
.qs-hero-stats small{margin-top:8px;color:#123f6b;font-size:15px;font-weight:700;letter-spacing:.35px;text-shadow:none;font-synthesis:none;text-rendering:geometricPrecision}
.qs-hero-stats div{border-right-color:rgba(255,255,255,.74)}
@media(max-width:560px){.qs-hero-stats strong span{font-size:15px}.qs-hero-stats small{font-size:12px}}
/* Hero stats v2: anchored deep-blue band, high contrast (replaces floating glass). */
.qs-hero-stats{margin:0;padding:24px 36px 22px;border:0;border-radius:20px 20px 0 0;background:linear-gradient(118deg,#0d4d9e 0%,#0a3d85 46%,var(--qs-deep) 100%);backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:0 -16px 42px rgba(3,24,52,.4),inset 0 1px 0 rgba(255,255,255,.16)}
.qs-hero-stats:before{inset:auto;top:0;left:0;right:0;height:3px;border-radius:0;filter:none;box-shadow:none;background:linear-gradient(90deg,#4aa8ff 0%,#8fd0ff 34%,rgba(143,208,255,.25) 72%,transparent 100%)}
.qs-hero-stats:after{display:none}
.qs-hero-stats div{border-right:1px solid rgba(255,255,255,.16);transition:transform .25s ease}
.qs-hero-stats div:hover{transform:translateY(-3px)}
.qs-hero-stats strong{color:#fff;font-size:clamp(32px,2.4vw,44px);font-weight:800;letter-spacing:-1px;text-shadow:none;font-variant-numeric:tabular-nums}
.qs-hero-stats strong span{color:#8fd0ff;font-size:19px;font-weight:700;letter-spacing:0;margin-left:2px}
.qs-hero-stats small{margin-top:9px;color:rgba(222,239,255,.82);font-size:14px;font-weight:600;letter-spacing:2.5px;text-shadow:none}
@media(max-width:560px){.qs-hero-stats{margin:0;padding:18px 10px 16px;border-radius:16px 16px 0 0;grid-template-columns:repeat(2,1fr);row-gap:18px}.qs-hero-stats div:nth-child(2n){border-right:0}.qs-hero-stats div:nth-child(-n+2){padding-bottom:2px}.qs-hero-stats strong{font-size:22px;letter-spacing:-.5px}.qs-hero-stats strong span{font-size:14px}.qs-hero-stats small{font-size:11px;letter-spacing:1px;margin-top:6px}}
/* Hero stats v3: floating card bridging the hero→products seam + entrance motion. */
.qs-hero{overflow:visible}
.qs-hero-stats{margin:0 0 -46px;border-radius:20px;z-index:5;box-shadow:0 24px 56px rgba(3,22,48,.35),0 4px 16px rgba(3,22,48,.22),inset 0 1px 0 rgba(255,255,255,.16)}
.qs-home .qs-products-c{padding-top:132px!important}
.qs-hero-stats div{animation:qsStatUp .7s cubic-bezier(.22,1,.36,1) backwards}
.qs-hero-stats div:nth-child(1){animation-delay:.1s}
.qs-hero-stats div:nth-child(2){animation-delay:.22s}
.qs-hero-stats div:nth-child(3){animation-delay:.34s}
.qs-hero-stats div:nth-child(4){animation-delay:.46s}
@keyframes qsStatUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@media(max-width:560px){.qs-hero-stats{margin:0 0 -34px;border-radius:16px}.qs-home .qs-products-c{padding-top:112px!important}}
@media(prefers-reduced-motion:reduce){.qs-hero-stats div{animation:none}}
/* v3.1: keep the whole card above the fold at load; deepen the hero bottom for immersion. */
@media(min-width:901px){.qs-home .qs-hero{height:min(calc(100dvh - 182px),56.25vw)}}
.qs-home .qs-hero .qs-hero-media:after{background:linear-gradient(90deg,rgba(5,26,49,.7),rgba(5,26,49,.32) 48%,rgba(5,26,49,.1)),linear-gradient(0deg,rgba(5,26,49,.2),transparent 50%),linear-gradient(0deg,rgba(5,26,49,.55) 0,rgba(5,26,49,0) 110px)}
/* Advantages v2: card-based hub layout, distinct SVG icons, reveal on scroll. */
.qs-advantage-layout{min-height:0;padding:clamp(28px,3.2vw,54px) clamp(24px,3.4vw,58px);gap:clamp(14px,1.8vw,28px) clamp(20px,2.8vw,54px)}
.qs-advantage-layout:before{display:none}
.qs-advantage-layout:after{width:clamp(220px,17vw,330px);height:clamp(220px,17vw,330px);box-shadow:0 0 0 20px rgba(18,111,206,.05),0 0 0 46px rgba(18,111,206,.035)}
.qs-advantage-item{background:#f7fbff;border:1px solid #e3eef9;border-radius:16px;padding:clamp(13px,1.3vw,20px) clamp(15px,1.5vw,24px);justify-content:center;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease,background .3s ease}
.qs-advantage-layout .qs-advantage-item{justify-content:center}
.qs-advantage-item:hover{transform:translateY(-4px);border-color:#b9d8f6;background:#fff;box-shadow:0 16px 34px rgba(10,61,133,.12)}
.qs-advantage-layout .qs-advantage-item strong.qs-advantage-icon{border:1px solid #d3e6f8;border-radius:14px;background-image:none!important;background-color:#eaf4ff!important;box-shadow:none!important;color:#0f66c9;transition:background .3s ease,color .3s ease}
.qs-advantage-layout .qs-advantage-item:hover strong.qs-advantage-icon{background-image:none!important;background-color:#126fce!important;color:#fff;border-color:#126fce}
.qs-advantage-icon svg{width:52%;height:52%;display:block}
.qs-advantage-core{border:0;border-radius:50%;background:linear-gradient(140deg,#0d4d9e 0%,#0a3d85 55%,#082e62 100%);color:#fff;box-shadow:0 22px 48px rgba(7,42,89,.32),0 0 0 16px rgba(18,111,206,.07),0 0 0 38px rgba(18,111,206,.045);transition:transform .35s ease}
.qs-advantage-core:hover{transform:scale(1.025)}
.qs-advantage-core b{font-size:clamp(22px,1.8vw,30px);letter-spacing:1.5px}
.qs-advantage-core strong{font-size:clamp(16px,1.25vw,20px)}
.qs-advantage-core span{color:rgba(224,240,255,.78)}
@keyframes qsAdvUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes qsCoreIn{from{opacity:0;transform:scale(.88)}to{opacity:1;transform:none}}
.qs-advantage-layout.qs-anim:not(.qs-inview) .qs-advantage-item{opacity:0;transform:translateY(24px)}
.qs-advantage-layout.qs-anim:not(.qs-inview) .qs-advantage-core{opacity:0;transform:scale(.88)}
.qs-advantage-layout.qs-inview .qs-advantage-item{animation:qsAdvUp .6s cubic-bezier(.22,1,.36,1) backwards}
.qs-advantage-layout.qs-inview .qs-advantage-core{animation:qsCoreIn .7s cubic-bezier(.22,1,.36,1) backwards}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(1){animation-delay:.02s}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(2){animation-delay:.1s}
.qs-advantage-layout.qs-inview .qs-advantage-core{animation-delay:.16s}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(4){animation-delay:.24s}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(5){animation-delay:.32s}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(6){animation-delay:.4s}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(7){animation-delay:.48s}
@media(max-width:640px){
.qs-advantage-layout{grid-template-columns:1fr;gap:12px;padding:20px 16px}
.qs-advantage-layout .qs-advantage-item{flex-direction:row;justify-content:flex-start;text-align:left;gap:14px;padding:14px 16px}
.qs-advantage-layout .qs-advantage-item:nth-child(1),.qs-advantage-layout .qs-advantage-item:nth-child(4),.qs-advantage-layout .qs-advantage-item:nth-child(6){flex-direction:row;text-align:left}
.qs-advantage-layout .qs-advantage-core{grid-column:auto;grid-row:auto;order:-1;justify-self:center;margin-bottom:8px}
}
@media(prefers-reduced-motion:reduce){.qs-advantage-layout.qs-anim:not(.qs-inview) .qs-advantage-item,.qs-advantage-layout.qs-anim:not(.qs-inview) .qs-advantage-core{opacity:1;transform:none}.qs-advantage-layout.qs-inview .qs-advantage-item,.qs-advantage-layout.qs-inview .qs-advantage-core{animation:none}}

/* Advantage explorer: a calm capability map with pointer-led depth and card selection. */
.qs-advantage-heading{align-items:flex-end}
.qs-advantage-heading-meta{display:flex;align-items:center;gap:13px;padding-bottom:7px;color:#7893ad;font:700 10px/1 Arial,sans-serif;letter-spacing:2px;white-space:nowrap}
.qs-advantage-heading-meta i{display:block;width:42px;border-top:1px solid #bfd5e8}
.qs-advantage-heading-meta b{color:#2c5479;font-size:11px}
.qs-advantage-heading-meta em{color:#2e86de;font-style:normal}
.qs-advantage-orbit{position:relative;display:grid;grid-template-columns:minmax(250px,1fr) minmax(240px,clamp(230px,18vw,330px)) minmax(250px,1fr);grid-template-rows:repeat(3,minmax(118px,1fr));align-items:stretch;gap:clamp(18px,2.1vw,34px) clamp(34px,4.2vw,82px);min-height:clamp(520px,39vw,680px);padding:clamp(32px,4vw,70px) clamp(26px,4.5vw,92px);box-sizing:border-box;overflow:hidden;border:1px solid #d6e6f3;border-radius:28px;background:linear-gradient(135deg,#fbfdff 0%,#f2f8fd 54%,#e8f3fb 100%);box-shadow:0 20px 48px rgba(35,87,132,.09);isolation:isolate;perspective:1200px}
.qs-advantage-orbit:before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(0deg,transparent 0,transparent 70px,rgba(61,129,184,.055) 71px,transparent 72px),repeating-linear-gradient(90deg,transparent 0,transparent 92px,rgba(61,129,184,.045) 93px,transparent 94px);pointer-events:none}
.qs-advantage-orbit:after{content:"";position:absolute;inset:12px;z-index:0;border:1px solid rgba(141,185,218,.28);border-radius:20px;pointer-events:none}
.qs-advantage-grid-lines{position:absolute;inset:0;z-index:0;pointer-events:none}
.qs-advantage-grid-lines i{position:absolute;height:1px;background:linear-gradient(90deg,transparent,rgba(69,143,194,.3),transparent);transform-origin:center;opacity:.9}
.qs-advantage-grid-lines i:nth-child(1){top:24%;left:10%;width:32%;transform:rotate(12deg)}
.qs-advantage-grid-lines i:nth-child(2){top:41%;left:14%;width:27%;transform:rotate(-4deg)}
.qs-advantage-grid-lines i:nth-child(3){top:59%;right:14%;width:27%;transform:rotate(4deg)}
.qs-advantage-grid-lines i:nth-child(4){top:76%;right:10%;width:32%;transform:rotate(-12deg)}
.qs-advantage-orbit>.qs-advantage-item{position:relative;z-index:2;display:flex;align-items:center;width:100%;min-width:0;box-sizing:border-box;padding:clamp(15px,1.4vw,23px) clamp(17px,1.7vw,28px);border:1px solid #d9e8f4;border-radius:18px;background:rgba(255,255,255,.76);color:var(--qs-deep);font:inherit;text-align:inherit;cursor:pointer;box-shadow:0 10px 22px rgba(39,93,137,.06);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .35s cubic-bezier(.22,1,.36,1),border-color .25s ease,box-shadow .25s ease,background .25s ease;appearance:none}
.qs-advantage-orbit>.qs-advantage-item:nth-of-type(1),.qs-advantage-orbit>.qs-advantage-item:nth-of-type(3),.qs-advantage-orbit>.qs-advantage-item:nth-of-type(5){grid-column:1;flex-direction:row-reverse;justify-content:flex-start;text-align:right;border-right:3px solid var(--accent)}
.qs-advantage-orbit>.qs-advantage-item:nth-of-type(2),.qs-advantage-orbit>.qs-advantage-item:nth-of-type(4),.qs-advantage-orbit>.qs-advantage-item:nth-of-type(6){grid-column:3;justify-content:flex-start;text-align:left;border-left:3px solid var(--accent)}
.qs-advantage-orbit>.qs-advantage-item:nth-of-type(1){grid-row:1}.qs-advantage-orbit>.qs-advantage-item:nth-of-type(2){grid-row:1}.qs-advantage-orbit>.qs-advantage-item:nth-of-type(3){grid-row:2}.qs-advantage-orbit>.qs-advantage-item:nth-of-type(4){grid-row:2}.qs-advantage-orbit>.qs-advantage-item:nth-of-type(5){grid-row:3}.qs-advantage-orbit>.qs-advantage-item:nth-of-type(6){grid-row:3}
.qs-advantage-orbit>.qs-advantage-item:after{content:"";position:absolute;top:50%;width:clamp(26px,3.4vw,68px);border-top:1px solid var(--accent);opacity:.34;transition:opacity .25s ease,box-shadow .25s ease}
.qs-advantage-orbit>.qs-advantage-item:nth-of-type(odd):after{right:calc(clamp(26px,3.4vw,68px) * -1)}
.qs-advantage-orbit>.qs-advantage-item:nth-of-type(even):after{left:calc(clamp(26px,3.4vw,68px) * -1)}
.qs-advantage-orbit>.qs-advantage-item:before{content:"";position:absolute;top:calc(50% - 3px);width:5px;height:5px;border:1px solid var(--accent);border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.74);opacity:.72}
.qs-advantage-orbit>.qs-advantage-item:nth-of-type(odd):before{right:calc(clamp(26px,3.4vw,68px) * -1 - 3px)}
.qs-advantage-orbit>.qs-advantage-item:nth-of-type(even):before{left:calc(clamp(26px,3.4vw,68px) * -1 - 3px)}
.qs-advantage-orbit>.qs-advantage-item:hover,.qs-advantage-orbit>.qs-advantage-item.is-active{transform:translateY(-5px);border-color:var(--accent);background:rgba(255,255,255,.96);box-shadow:0 16px 30px rgba(18,77,128,.13)}
.qs-advantage-orbit>.qs-advantage-item:hover:after,.qs-advantage-orbit>.qs-advantage-item.is-active:after{opacity:.85;box-shadow:0 0 9px var(--accent)}
.qs-advantage-orbit>.qs-advantage-item:focus-visible{outline:3px solid rgba(46,134,222,.3);outline-offset:4px}
.qs-advantage-icon{display:inline-flex;align-items:center;justify-content:center;flex:none;width:clamp(55px,4vw,75px)!important;height:clamp(55px,4vw,75px)!important;margin:0 clamp(14px,1.5vw,24px);border:1px solid var(--accent)!important;border-radius:18px!important;background:linear-gradient(145deg,#f7fbff,#eaf4fb)!important;color:var(--accent)!important;box-shadow:inset 0 1px 0 rgba(255,255,255,.85),0 8px 16px rgba(47,110,157,.08)!important;transition:background .25s ease,color .25s ease,transform .3s cubic-bezier(.22,1,.36,1)}
.qs-advantage-item:hover .qs-advantage-icon,.qs-advantage-item.is-active .qs-advantage-icon{background:var(--accent)!important;color:#fff!important;transform:rotate(-6deg) scale(1.04)}
.qs-advantage-item>div{min-width:0}
.qs-advantage-item h3{margin:0 0 6px;color:var(--qs-deep);font-size:clamp(15px,1.15vw,20px);line-height:1.25}
.qs-advantage-item p{margin:0;color:#6b8298;font-size:clamp(11px,.8vw,14px);line-height:1.75}
.qs-advantage-card-no{position:absolute;top:11px;color:var(--accent);font:700 10px/1 Arial,sans-serif;letter-spacing:1px;opacity:.75}
.qs-advantage-item:nth-of-type(odd) .qs-advantage-card-no{left:14px}.qs-advantage-item:nth-of-type(even) .qs-advantage-card-no{right:14px}
.qs-advantage-core{grid-column:2;grid-row:1/4;align-self:center;justify-self:center;position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;width:clamp(230px,18vw,330px);aspect-ratio:1;box-sizing:border-box;border:0!important;border-radius:50%;background:linear-gradient(145deg,#1977d4 0%,#0d4d9e 48%,#082e62 100%);color:#fff;box-shadow:0 25px 44px rgba(6,50,103,.3),0 0 0 13px rgba(255,255,255,.8),0 0 0 14px rgba(106,170,218,.28),0 0 0 38px rgba(255,255,255,.44);transform:translate3d(var(--core-x,0),var(--core-y,0),0) rotateX(var(--core-rotate-x,0)) rotateY(var(--core-rotate-y,0));transition:transform .22s ease,box-shadow .3s ease}
.qs-advantage-core:before{content:"";position:absolute;inset:12px;border:1px solid rgba(182,224,255,.34);border-radius:50%;pointer-events:none}
.qs-advantage-core:after{content:"";position:absolute;inset:18% 28% 45% 18%;border-radius:50%;background:linear-gradient(135deg,rgba(255,255,255,.34),transparent 70%);filter:blur(3px);transform:rotate(-25deg);animation:qsCoreShine 5.5s ease-in-out infinite;pointer-events:none}
.qs-core-kicker{position:relative;z-index:1;color:#b7ddff!important;font:700 9px/1.2 Arial,sans-serif!important;letter-spacing:1.8px!important}
.qs-advantage-core>b{position:relative;z-index:1;margin:12px 0 1px;color:#fff;font:800 clamp(27px,2.1vw,39px)/1 Arial,sans-serif;letter-spacing:2px}
.qs-advantage-core>strong{position:relative;z-index:1;margin:0;color:#fff;font-size:clamp(16px,1.3vw,21px);line-height:1.3}
.qs-advantage-core>[data-advantage-copy]{position:relative;z-index:1;max-width:68%;margin-top:8px;color:rgba(230,244,255,.84);font-size:clamp(10px,.76vw,13px);line-height:1.65;text-align:center}
.qs-core-progress{position:relative;z-index:1;width:74px;height:3px;margin-top:18px;overflow:hidden;border-radius:99px;background:rgba(255,255,255,.2)}
.qs-core-progress i{display:block;width:var(--progress,16.66%);height:100%;border-radius:inherit;background:#a6ddff;box-shadow:0 0 9px rgba(166,221,255,.8);transition:width .4s cubic-bezier(.22,1,.36,1)}
.qs-advantage-core>small{position:relative;z-index:1;margin-top:8px;color:rgba(209,236,255,.72);font:700 10px/1 Arial,sans-serif;letter-spacing:1.5px}
@keyframes qsCoreShine{0%,100%{opacity:.26;transform:translateX(-8px) rotate(-25deg)}50%{opacity:.55;transform:translateX(12px) rotate(-25deg)}}
@media(max-width:1050px){.qs-advantage-orbit{grid-template-columns:minmax(210px,1fr) minmax(210px,230px) minmax(210px,1fr);gap:16px 28px;padding:30px 24px}.qs-advantage-icon{margin-left:10px;margin-right:10px}.qs-advantage-item h3{font-size:15px}.qs-advantage-item p{font-size:10px}}
@media(max-width:900px){.qs-advantage-heading-meta{display:none}.qs-advantage-orbit{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:auto;min-height:0;gap:12px;padding:26px 20px}.qs-advantage-orbit>.qs-advantage-item:nth-of-type(n){grid-column:auto;grid-row:auto;min-height:104px}.qs-advantage-orbit>.qs-advantage-core{grid-column:1/3;grid-row:1;width:220px;margin:10px auto 16px}.qs-advantage-orbit>.qs-advantage-item:after,.qs-advantage-orbit>.qs-advantage-item:before{display:none}}
@media(max-width:640px){.qs-advantage-orbit{grid-template-columns:1fr;gap:10px;padding:20px 14px;border-radius:22px}.qs-advantage-orbit>.qs-advantage-core{grid-column:auto;grid-row:auto;width:210px;margin:6px auto 12px}.qs-advantage-orbit>.qs-advantage-item:nth-of-type(n){min-height:84px;flex-direction:row;text-align:left;justify-content:flex-start;border-left:3px solid var(--accent);border-right:1px solid #d9e8f4}.qs-advantage-icon{width:50px!important;height:50px!important;margin:0 14px 0 2px;border-radius:14px!important}.qs-advantage-card-no{right:14px!important;left:auto!important}.qs-advantage-item h3{font-size:14px}.qs-advantage-item p{font-size:10px}}
@media(prefers-reduced-motion:reduce){.qs-advantage-core:after{animation:none}.qs-advantage-orbit>.qs-advantage-item,.qs-advantage-core,.qs-advantage-icon{transition:none}}
/* Cases v2: seven real category tabs, hover-to-switch panels. */
.qs-case-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.qs-case-tabs a{padding:9px 18px;border-radius:20px;background:#fff;border:1px solid var(--qs-line);color:var(--qs-ink);font-size:13px;font-weight:600;letter-spacing:.5px;transition:background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease}
.qs-case-tabs a:hover{border-color:#9fcaff;color:var(--qs-blue)}
.qs-case-tabs a.active{background:var(--qs-blue);border-color:var(--qs-blue);color:#fff;box-shadow:0 6px 16px rgba(18,111,206,.28)}
.qs-case-stage{position:relative}
.qs-case-panel{display:none}
.qs-case-panel.is-active{display:block;animation:qsPanelIn .4s ease}
@keyframes qsPanelIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
/* Product groups: tinted-glass blue cards — enough depth for white PNGs, elegant not flat. */
.qs-product-group-feature{border-color:#5a8ab4;background:linear-gradient(168deg,#5b93be 0%,#4a80aa 48%,#3f6f95 100%);box-shadow:0 6px 18px rgba(34,91,137,.14),inset 0 1px 0 rgba(255,255,255,.18)}
.qs-product-group-feature:before{background:radial-gradient(ellipse at 50% 22%,rgba(255,255,255,.22),transparent 50%),linear-gradient(180deg,rgba(255,255,255,.06),transparent 30%)}
.qs-product-group-feature:after{display:none}
.qs-product-group-feature b{color:#fff}
.qs-product-group-feature small{color:rgba(255,255,255,.68)}
.qs-product-group-feature i{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3);color:#fff}
.qs-product-mini{border-color:#5a8ab4;background:linear-gradient(168deg,#6a9dc6 0%,#5889b3 48%,#4d7ba0 100%);box-shadow:0 4px 14px rgba(34,91,137,.12),inset 0 1px 0 rgba(255,255,255,.16)}
.qs-product-mini b{color:#fff}
.qs-product-mini small{color:rgba(255,255,255,.65)}
@media(min-width:901px){
.qs-product-group-feature b{font-size:clamp(19px,1.4vw,25px)}
.qs-product-group-feature small{font-size:clamp(12.5px,.95vw,15.5px)}
.qs-product-mini b{font-size:15.5px}
.qs-product-mini small{font-size:11.5px;white-space:normal}
}
/* Cases grid v3: uniform 4:3 cards, images shown without crop-heavy distortion. */
.qs-case-grid{grid-template-columns:repeat(3,1fr);grid-template-rows:none;gap:14px}
.qs-case-grid>a{grid-template-rows:auto auto}
.qs-case-grid>a img,.qs-case-grid img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;min-height:0}
.qs-case-grid b{font-size:14px}
.qs-case-grid small{font-size:11.5px}
@media(max-width:900px){.qs-case-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.qs-case-grid{grid-template-columns:1fr}}
/* Product group polish: smoother motion, crisper type. */
.qs-product-mini:hover img{transform:translateY(-3px)}
.qs-product-mini img{filter:drop-shadow(0 6px 10px rgba(0,0,0,.18))}
.qs-product-group-feature>img{filter:drop-shadow(0 10px 16px rgba(0,0,0,.2))}
.qs-product-group-feature b{letter-spacing:.3px}
.qs-product-group-head h3{letter-spacing:.5px}
.qs-product-mini:hover i{border-color:rgba(255,255,255,.6)}
/* Cases grid v4: photo-led cards with gradient scrim captions + hover life. */
.qs-case-grid{gap:18px}
.qs-case-grid>a{display:block;position:relative;border-radius:16px;overflow:hidden;background:#0a3d85;box-shadow:0 8px 22px rgba(10,45,90,.14);transition:transform .35s ease,box-shadow .35s ease}
.qs-case-grid>a:hover{transform:translateY(-6px);box-shadow:0 24px 46px rgba(6,45,89,.3)}
.qs-case-grid>a img{display:block;aspect-ratio:4/3;object-fit:cover;transition:transform .55s cubic-bezier(.2,.75,.25,1)}
.qs-case-grid>a:hover img{transform:scale(1.07)}
.qs-case-grid>a div{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:44px 16px 13px;background:linear-gradient(180deg,rgba(4,24,50,0) 0%,rgba(4,24,50,.55) 38%,rgba(4,24,50,.86) 100%);pointer-events:none}
.qs-case-grid b{color:#fff;font-size:15px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qs-case-grid small{color:rgba(214,233,252,.82);margin-top:3px}
.qs-case-grid>a:after{content:"→";position:absolute;right:13px;bottom:12px;z-index:2;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.18);backdrop-filter:blur(3px);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-style:normal;opacity:0;transform:translateY(8px);transition:.3s ease}
.qs-case-grid>a:hover:after{opacity:1;transform:none}
@media(max-width:560px){.qs-case-grid>a:after{display:none}.qs-case-grid>a div{padding:34px 12px 11px}.qs-case-grid b{font-size:13.5px}}
/* Cases v5: cascade entrance on tab switch, hover ring, refined pills. */
@keyframes qsCardIn{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}
.qs-case-panel.is-active a{animation:qsCardIn .45s cubic-bezier(.22,1,.36,1) backwards}
.qs-case-panel.is-active a:nth-child(1){animation-delay:.02s}
.qs-case-panel.is-active a:nth-child(2){animation-delay:.08s}
.qs-case-panel.is-active a:nth-child(3){animation-delay:.14s}
.qs-case-panel.is-active a:nth-child(4){animation-delay:.2s}
.qs-case-panel.is-active a:nth-child(5){animation-delay:.26s}
.qs-case-panel.is-active a:nth-child(6){animation-delay:.32s}
@media(prefers-reduced-motion:reduce){.qs-case-panel.is-active a{animation:none}}
.qs-case-grid>a:hover{outline:2px solid rgba(18,111,206,.42);outline-offset:-2px;box-shadow:0 24px 46px rgba(6,45,89,.3)}
.qs-case-grid b{letter-spacing:.2px}
.qs-case-tabs a{transition:background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease}
.qs-case-tabs a:not(.active):hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(18,111,206,.16)}
.qs-case-tabs a.active{background:linear-gradient(135deg,#1479e0 0%,#0a4da0 100%);border-color:transparent;box-shadow:0 8px 18px rgba(13,90,180,.32)}
.qs-section-head>a{transition:color .2s ease}
.qs-section-head>a b{display:inline-block;transition:transform .25s ease}
.qs-section-head>a:hover b{transform:translateX(4px)}
/* Cases v6: calmer crossfade instead of per-card cascade; larger captions. */
.qs-case-panel.is-active a{animation:none}
@keyframes qsPanelSoft{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.qs-case-panel.is-active{animation:qsPanelSoft .4s cubic-bezier(.22,1,.36,1)}
.qs-case-grid>a:hover{outline:0;box-shadow:0 18px 40px rgba(6,45,89,.28)}
.qs-case-grid>a div{padding:56px 18px 15px}
.qs-case-grid b{font-size:17px;line-height:1.45}
.qs-case-grid small{font-size:12.5px;letter-spacing:.3px}
.qs-case-grid>a:after{width:36px;height:36px;right:14px;bottom:13px;font-size:17px}
@media(max-width:560px){.qs-case-grid b{font-size:15px}.qs-case-grid small{font-size:11.5px}.qs-case-grid>a div{padding:40px 12px 12px}}
/* Advantages v6: design-board 2x2 photo cards + slogan. */
.qs-advantage-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.qs-advantage-heading-meta{display:none!important}
.qs-advantage-layout{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:20px;min-height:0;padding:0;align-items:stretch;background:none;border:0;border-radius:0;box-shadow:none;overflow:visible}
.qs-advantage-layout:before,.qs-advantage-layout:after,.qs-advantage-grid-lines{display:none!important}
.qs-advantage-layout .qs-advantage-item{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-height:212px;padding:24px;overflow:hidden;border:1px solid #e2eef9;border-radius:18px;background:linear-gradient(135deg,#ffffff 0%,#eff7fe 100%);box-shadow:0 10px 26px rgba(31,81,138,.08);text-align:left;color:var(--qs-deep);cursor:default;transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease}
.qs-advantage-layout .qs-advantage-item:hover{transform:translateY(-5px);border-color:#bcd9f3;box-shadow:0 22px 44px rgba(9,58,120,.16)}
.qs-advantage-layout .qs-advantage-item .qs-advantage-icon{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%!important;border:1.5px solid var(--accent,#2e86de)!important;background:#fff!important;background-image:none!important;color:var(--accent,#2e86de)!important;box-shadow:0 6px 14px rgba(18,111,206,.14)!important;transition:background .3s ease,color .3s ease,transform .3s ease}
.qs-advantage-layout .qs-advantage-item:hover .qs-advantage-icon{background:var(--accent,#2e86de)!important;color:#fff!important;transform:rotate(-6deg)}
.qs-advantage-item .qs-advantage-icon svg{width:46%;height:46%}
.qs-advantage-body{position:relative;z-index:2;margin-top:2px}
.qs-advantage-body h3{margin:0 0 7px;font-size:19px;color:var(--qs-deep);letter-spacing:.3px}
.qs-advantage-body p{margin:0;font-size:13px;line-height:1.8;color:#52697f}
.qs-advantage-num{position:absolute;top:12px;right:18px;z-index:1;font-size:clamp(38px,3.4vw,52px);font-weight:800;line-height:1;color:rgba(18,111,206,.09);user-select:none;pointer-events:none}
.qs-advantage-layout .qs-advantage-item .qs-advantage-arrow{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;margin-top:auto;width:36px;height:36px;border:1px solid #c4dcf2;border-radius:50%;background:#fff;color:var(--qs-blue);font-style:normal;font-size:17px;line-height:1;transition:background .3s ease,color .3s ease,transform .3s ease,border-color .3s ease}
.qs-advantage-layout .qs-advantage-item:hover .qs-advantage-arrow{background:var(--qs-blue);border-color:var(--qs-blue);color:#fff;transform:translateX(3px)}
.qs-advantage-photo{position:absolute;top:0;right:0;z-index:0;height:100%;width:58%;object-fit:cover;object-position:center;opacity:.4;-webkit-mask-image:linear-gradient(100deg,transparent 2%,#000 62%);mask-image:linear-gradient(100deg,transparent 2%,#000 62%);transition:transform .55s cubic-bezier(.2,.75,.25,1),opacity .3s ease;pointer-events:none}
.qs-advantage-photo.qs-advantage-photo-service{object-fit:contain;box-sizing:border-box;padding:12px}
.qs-advantage-photo.qs-advantage-photo-design{object-fit:contain;box-sizing:border-box;padding:12px}
.qs-advantage-photo.qs-advantage-photo-materials{object-fit:contain;box-sizing:border-box;padding:12px}
.qs-advantage-layout .qs-advantage-item:hover .qs-advantage-photo{transform:scale(1.06);opacity:.48}
.qs-advantage-more{display:inline-flex;align-items:center;gap:8px;background:#0b2c54;color:#fff!important;border-radius:24px;padding:12px 24px;font-size:13.5px;font-weight:700;box-shadow:0 12px 24px rgba(7,35,74,.22);transition:transform .25s ease,box-shadow .25s ease}
.qs-advantage-more b{transition:transform .25s ease}
.qs-advantage-more:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(7,35,74,.3)}
.qs-advantage-more:hover b{transform:translateX(4px)}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(1){animation-delay:.02s}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(2){animation-delay:.1s}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(3){animation-delay:.18s}
.qs-advantage-layout.qs-inview .qs-advantage-item:nth-child(4){animation-delay:.26s}
.qs-advantage-slogan{position:relative;width:max-content;margin:30px 8px 0 auto;padding-bottom:12px;font-family:"STXingkai","华文行楷","STKaiti","KaiTi","楷体",serif;font-size:clamp(24px,2.4vw,34px);color:#4a6b8f;letter-spacing:3px}
.qs-advantage-slogan:after{content:"";position:absolute;left:0;right:8%;bottom:0;height:10px;border-bottom:2px solid rgba(74,107,143,.5);border-radius:0 0 100% 40%/0 0 14px 6px;transform:rotate(-1.2deg)}

/* Advantage cards: match the supplied design while leaving the four photos untouched. */
.qs-advantage-layout .qs-advantage-item{position:relative;align-items:flex-start;justify-content:flex-start;min-height:212px;padding:24px 24px 20px;box-sizing:border-box}
.qs-advantage-layout .qs-advantage-meta{position:absolute;left:clamp(150px,9vw,205px);top:28px;display:flex;align-items:center;gap:14px;z-index:2;pointer-events:none}
.qs-advantage-layout .qs-advantage-meta b{color:rgba(18,111,206,.09);font:800 clamp(44px,4vw,66px)/.85 Arial,sans-serif;letter-spacing:1px}
.qs-advantage-layout .qs-advantage-meta span{color:#c0d1e2;font:700 10px/1.55 Arial,sans-serif;letter-spacing:2.2px;white-space:nowrap}
.qs-advantage-layout .qs-advantage-body{position:relative;z-index:2;margin-top:22px}
.qs-advantage-layout .qs-advantage-body h3{font-size:clamp(20px,1.5vw,26px);margin:0 0 7px}
.qs-advantage-layout .qs-advantage-body p{font-size:clamp(13px,.9vw,16px);line-height:1.7}
.qs-advantage-layout .qs-advantage-arrow{position:relative;z-index:2;flex:none;margin-top:auto;width:42px;height:42px}
.qs-advantage-layout .qs-advantage-arrow-label{position:absolute;left:84px;bottom:33px;z-index:2;margin:0;color:#274b70;font-size:14px;white-space:nowrap}
.qs-advantage-layout .qs-advantage-num{display:none}
.qs-advantage-more{background:linear-gradient(135deg,#3d95ff,#126fce);border-radius:999px;padding:13px 18px 13px 24px;box-shadow:0 12px 24px rgba(18,111,206,.24)}
.qs-advantage-more b{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:#fff;color:#126fce}
@media(max-width:640px){.qs-advantage-layout .qs-advantage-meta{left:126px;top:20px}.qs-advantage-layout .qs-advantage-meta b{font-size:44px}.qs-advantage-layout .qs-advantage-body{margin-top:70px}}
@media(max-width:900px){.qs-advantage-layout{gap:16px}.qs-advantage-layout .qs-advantage-item{min-height:190px;padding:20px}}
@media(max-width:640px){.qs-advantage-layout{grid-template-columns:1fr}.qs-advantage-photo{opacity:.3}.qs-advantage-num{font-size:38px}.qs-advantage-slogan{margin:24px auto 0}}
/* Cases v7: curated one-image-per-category card rail per design board. */
.qs-cases-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.qs-cases-eyebrow{font-size:13px;color:#7d8ea3;font-weight:600;letter-spacing:2px}
.qs-cases-head h2{margin:8px 0 10px;font-size:clamp(24px,2.2vw,32px);font-weight:800;color:#12253f;letter-spacing:.5px}
.qs-cases-head p{margin:0;font-size:14px;color:#5b6f86}
.qs-cases-nav{display:flex;gap:12px;flex:none}
.qs-cases-nav button{width:44px;height:44px;border-radius:50%;border:1px solid #d5e2ee;background:#fff;color:#1c3a5e;font-size:17px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease}
.qs-cases-nav button:hover{background:var(--qs-blue);border-color:var(--qs-blue);color:#fff;box-shadow:0 8px 18px rgba(18,111,206,.3);transform:translateY(-2px)}
.qs-cases-rail{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 54px)/4);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px;margin:-4px -4px 0}
.qs-cases-rail::-webkit-scrollbar{display:none}
.qs-case-card{scroll-snap-align:start;display:block;background:#fff;border-radius:16px;padding:10px 10px 14px;box-shadow:0 6px 18px rgba(45,91,135,.08);transition:transform .3s ease,box-shadow .3s ease}
.qs-case-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(6,45,89,.16)}
.qs-case-card-pic{display:block;overflow:hidden;border-radius:12px;aspect-ratio:1/1.02;background:#eef5fb}
.qs-case-card-pic img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.75,.25,1)}
.qs-case-card:hover .qs-case-card-pic img{transform:scale(1.06)}
.qs-case-card-body{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 6px 0}
.qs-case-card-txt b{display:block;font-size:16.5px;color:#12253f}
.qs-case-card-txt small{display:block;margin-top:5px;font-size:12.5px;color:#6a7f95}
.qs-case-card-body i{flex:none;width:34px;height:34px;border:1px solid #dbe6f0;border-radius:50%;display:flex;align-items:center;justify-content:center;font-style:normal;color:#33506e;font-size:15px;transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease}
.qs-case-card:hover i{background:var(--qs-blue);border-color:var(--qs-blue);color:#fff;transform:translateX(2px)}
.qs-cases-stats{display:flex;align-items:center;gap:clamp(18px,2.6vw,40px);margin-top:26px;background:#fff;border-radius:18px;padding:20px clamp(18px,2.5vw,36px);box-shadow:0 6px 18px rgba(45,91,135,.07)}
.qs-cases-stat b{font-size:clamp(22px,2vw,28px);font-weight:800;color:#12253f;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.qs-cases-stat b i{font-style:normal;font-size:.55em;font-weight:800;margin-left:1px;color:var(--qs-blue)}
.qs-cases-stat small{display:block;margin-top:3px;font-size:12.5px;color:#6a7f95}
.qs-cases-cta{margin-left:auto;flex:none;display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:26px;background:#12253f;color:#fff!important;font-weight:700;font-size:14.5px;transition:background .25s ease,transform .25s ease,box-shadow .25s ease}
.qs-cases-cta:hover{background:var(--qs-blue);transform:translateY(-2px);box-shadow:0 12px 24px rgba(18,111,206,.3)}
.qs-cases-cta b{font-size:16px}
@media(min-width:901px){.qs-cases-stat+.qs-cases-stat{border-left:1px solid #e5eef6;padding-left:clamp(18px,2.6vw,40px)}}
@media(max-width:900px){.qs-cases-nav{display:none}.qs-cases-rail{grid-auto-columns:calc((100% - 18px)/2)}.qs-cases-stats{flex-wrap:wrap;gap:18px}.qs-cases-cta{margin-left:0;width:100%;justify-content:center}}
@media(max-width:560px){.qs-cases-rail{grid-auto-columns:78%}.qs-cases-head h2{font-size:22px}}
/* v6 fix: neutralize legacy grid placements from earlier hub layouts. */
.qs-advantage-layout .qs-advantage-item{grid-column:auto!important;grid-row:auto!important}
.qs-advantage-layout{grid-template-rows:none!important}
.qs-advantage-layout .qs-advantage-item:hover strong.qs-advantage-icon{background-color:var(--accent,#2e86de)!important;color:#fff!important}
/* Cases v8: five cards per view. */
.qs-cases-rail{grid-auto-columns:calc((100% - 72px)/5)}
/* v7: SVG arrows + design-board typography scale. */
.qs-advantage-layout .qs-advantage-item .qs-advantage-arrow{width:40px;height:40px}
.qs-advantage-layout .qs-advantage-item .qs-advantage-arrow svg{width:19px;height:19px;display:block}
.qs-advantage-body h3{font-size:clamp(20px,1.5vw,23px);letter-spacing:.4px}
.qs-advantage-body p{font-size:13.5px;line-height:1.9;color:#5b7186}
.qs-advantage-layout .qs-advantage-item .qs-advantage-icon{width:58px;height:58px}
.qs-advantage-item .qs-advantage-icon svg{width:47%;height:47%;stroke-width:1.6}
.qs-advantage-num{font-size:clamp(44px,4vw,62px);color:rgba(18,111,206,.075)}
.qs-advantage-heading h2{font-size:clamp(28px,2.6vw,38px)}
.qs-advantage-more svg{width:17px;height:17px;display:block}
.qs-advantage-more b{display:flex;align-items:center}
/* v49: crisp SVG line arrows (1em sized), design-matched stat units. */
.qs-home .qs-ico svg{display:block;width:1em;height:1em}
.qs-cases-nav button svg{display:block;width:17px;height:17px}
.qs-case-card-body i.qs-ico{background:#f6fafc;border-color:#e6eef5;color:#2c4a66}
.qs-case-card:hover i.qs-ico{background:var(--qs-blue);border-color:var(--qs-blue);color:#fff}
.qs-cases-stat b i{color:#16305a}
/* Contact v2: white background, footer-consistent chips, dual QR codes. */
.qs-contact{background:linear-gradient(180deg,#ffffff 0%,#f2f8fe 100%);color:var(--qs-ink)}
.qs-contact-bg{display:none}
.qs-contact .qs-label{color:var(--qs-blue)}
.qs-contact h2{color:var(--qs-deep)}
.qs-contact h3{color:#2b4a6e}
.qs-contact-line{color:#41566e}
.qs-contact-line b{width:44px;height:44px;background:#eaf4ff;border:1px solid #d3e6f8;color:var(--qs-blue)}
.qs-contact-line b svg{width:20px;height:20px}
.qs-contact-line small{color:#8aa2b8}
.qs-contact-tel{color:var(--qs-deep);font-size:17px;font-weight:700;letter-spacing:.5px}
.qs-contact-tel:hover{color:var(--qs-blue)}
.qs-contact-panel{background:#fff;border:1px solid #dfeefb;border-radius:18px;box-shadow:0 14px 34px rgba(10,61,133,.1)}
.qs-contact-panel-points span{background:#f2f8fe;border-radius:10px}
.qs-contact-qr-item{margin:0;text-align:center}
.qs-contact-qr-item img{display:block;width:96px;height:96px;border-radius:12px;border:1px solid #e3eef9;background:#fff;padding:5px;box-sizing:border-box;box-shadow:0 6px 14px rgba(10,61,133,.08)}
.qs-contact-qr-item figcaption{margin-top:7px;font-size:11.5px;color:var(--qs-muted)}
.qs-contact-panel-bottom{justify-content:flex-start}
.qs-contact-panel-bottom .qs-primary{margin-left:auto}
/* Contact v2.1: left column as info cards matching the right panel. */
.qs-contact h2{display:inline-block;font-size:30px}
.qs-contact h2:after{content:"";display:block;width:46px;height:3px;border-radius:2px;margin-top:10px;background:linear-gradient(90deg,#2e8bff,#8fd0ff)}
.qs-contact h3{margin:16px 0 4px;font-size:20px;color:#5c7893}
.qs-contact-line{margin:13px 0;padding:15px 18px;background:#fff;border:1px solid #e3eef9;border-radius:14px;box-shadow:0 6px 16px rgba(10,61,133,.06);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.qs-contact-line:hover{transform:translateY(-3px);border-color:#b9d8f6;box-shadow:0 12px 26px rgba(10,61,133,.12)}
.qs-contact-line b{width:46px;height:46px;background:linear-gradient(140deg,#eaf4ff,#dbeefe)}
.qs-contact-line em{display:block;font-style:normal;font-size:11px;letter-spacing:2px;color:#8aa2b8;margin-bottom:3px}
.qs-contact-line span{font-size:15px;color:var(--qs-ink);font-weight:600}
.qs-contact-line small{display:block;font-size:11px;color:#8aa2b8;margin-top:3px;font-weight:400}
.qs-contact-line a{color:inherit}
.qs-contact-line a:hover{color:var(--qs-blue)}
.qs-contact-tel{font-size:17px}
.qs-contact .qs-label{display:block;margin-bottom:14px}
.qs-contact-inner{padding-top:78px!important;padding-bottom:70px!important}
@media(max-width:900px){.qs-contact-inner{padding-top:52px!important;padding-bottom:48px!important}}
.qs-contact-panel{align-self:end}
.qs-contact-copy{display:flex;flex-direction:column}
.qs-contact-copy .qs-contact-line:last-child{flex:1;align-items:center}
.qs-contact-copy .qs-contact-line:last-child{margin-bottom:0}
/* Contact v2.2: hero phone card, no email/CTA clutter. */
.qs-contact-line-primary{background:linear-gradient(135deg,#0d4d9e 0%,#0a3d85 55%,#082e62 100%);border-color:transparent;box-shadow:0 16px 34px rgba(7,42,89,.3)}
.qs-contact-line-primary:hover{border-color:transparent;box-shadow:0 20px 40px rgba(7,42,89,.38);transform:translateY(-3px)}
.qs-contact-line-primary em{color:rgba(173,214,247,.78);letter-spacing:2.5px}
.qs-contact-line-primary .qs-contact-tel{color:#fff;font-size:25px;letter-spacing:1.5px}
.qs-contact-line-primary .qs-contact-tel:hover{color:#8fd0ff}
.qs-contact-line-primary small{color:rgba(173,214,247,.62)}
.qs-contact-line-primary b{width:54px;height:54px;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.32);color:#fff}
.qs-contact-line-primary b svg{width:24px;height:24px}
.qs-contact-panel-bottom{justify-content:center;gap:36px}
/* Contact v2.3: faint real-project photo wash behind the section. */
.qs-contact:before{content:"";position:absolute;inset:0;z-index:0;background:url('/uploadfile/ueditor/image/202304/1680696786f18f79.jpg') center 40%/cover no-repeat;opacity:.1;pointer-events:none}
.qs-contact-inner{position:relative;z-index:1}
@media(max-width:900px){.qs-contact:before{opacity:.06}}
/* Contact v2.4: real project photo card in the middle gap (replaces faint wash). */
.qs-contact:before{display:none}
@media(min-width:901px){
.qs-contact-inner{grid-template-columns:minmax(320px,1fr) clamp(240px,22vw,320px) minmax(360px,440px);gap:clamp(18px,2.2vw,40px)}
.qs-contact-visual{margin:0;position:relative;border-radius:18px;overflow:hidden;box-shadow:0 16px 34px rgba(10,61,133,.16);aspect-ratio:1145/1374;align-self:end;height:auto;max-height:100%}
.qs-contact-visual img{display:block;width:100%;height:100%;object-fit:cover;transition:none}
.qs-contact-visual:hover img{transform:none}
.qs-contact-visual figcaption{position:absolute;left:14px;bottom:14px;z-index:1;padding:7px 14px;border-radius:18px;background:rgba(6,30,60,.6);backdrop-filter:blur(4px);color:#fff;font-size:12px;letter-spacing:1px}
}
@media(max-width:900px){.qs-contact-visual{display:none}}
/* Contact v2.5: 01/02 point cards with 3D icons per design mock. */
.qs-contact-panel-points{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0}
.qs-contact-panel-points > span{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px;border-radius:14px;background:linear-gradient(160deg,#f4f9ff 0%,#e4f0fd 100%);border:1px solid #dcecfc;box-shadow:0 4px 12px rgba(10,61,133,.05);font-size:13px;color:#3d5570}
.qs-contact-panel-points b{margin:0 0 6px;color:#2e7ce0;font-size:24px;font-weight:800;line-height:1;letter-spacing:.5px}
.qs-contact-panel-points .qs-pt-txt{display:block;padding:0;background:none;border:0;box-shadow:none;font-size:12.5px;font-weight:700;color:#3d5570}
.qs-contact-panel-points .qs-pt-txt:after{content:"";display:block;width:30px;height:3px;border-radius:2px;margin-top:8px;background:linear-gradient(90deg,#4d9bff,#a9d4ff)}
.qs-contact-panel-points img{width:54px;height:54px;object-fit:contain;flex:none;filter:drop-shadow(0 4px 8px rgba(46,124,224,.18))}
/* Cases rail v2: six cards per view on desktop. */
@media(min-width:901px){.qs-cases-rail{grid-auto-columns:calc((100% - 90px)/6)}}
/* News v2: design-board featured carousel + date list. */
.qs-news .qs-section-head>a.qs-news-more{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border:1.5px solid var(--qs-blue);border-radius:24px;color:var(--qs-blue)!important;font-weight:700;font-size:13.5px;transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease}
.qs-news .qs-section-head>a.qs-news-more:hover{background:var(--qs-blue);color:#fff!important;transform:translateY(-2px);box-shadow:0 10px 22px rgba(18,111,206,.28)}
.qs-news-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.qs-news-tabs a{padding:9px 20px;border-radius:20px;background:#fff;border:1px solid var(--qs-line);color:var(--qs-ink);font-size:13.5px;font-weight:600;transition:background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease}
.qs-news-tabs a:hover{border-color:#9fcaff;color:var(--qs-blue)}
.qs-news-tabs a.active{background:var(--qs-blue);border-color:var(--qs-blue);color:#fff;box-shadow:0 6px 16px rgba(18,111,206,.28)}
.qs-news-panel{display:none;grid-template-columns:1.06fr 1fr;gap:22px;align-items:stretch}
.qs-news-panel.is-active{display:grid;animation:qsPanelSoft .4s cubic-bezier(.22,1,.36,1)}
.qs-news-feature{position:relative;border-radius:20px;overflow:hidden;background:#0a3d85;min-height:480px;box-shadow:0 14px 34px rgba(6,45,89,.18)}
.qs-news-slide{position:absolute;inset:0;opacity:0;transition:opacity .5s ease;pointer-events:none}
.qs-news-slide.is-active{opacity:1;pointer-events:auto}
.qs-news-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.qs-news-slide:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,24,50,.05) 30%,rgba(4,24,50,.78) 78%,rgba(4,24,50,.92) 100%)}
.qs-news-chip{position:absolute;top:18px;left:18px;z-index:2;padding:7px 15px;border-radius:8px;background:var(--qs-blue);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:1px}
.qs-news-slide-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:0 26px 24px;color:#fff}
.qs-news-slide-body b{display:block;font-size:22px;line-height:1.4;text-shadow:0 2px 10px rgba(0,12,28,.4)}
.qs-news-slide-body p{margin:10px 0 18px;font-size:13.5px;line-height:1.75;color:rgba(230,242,255,.88);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qs-news-slide-body em{font-style:normal;display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:24px;background:#fff;color:#12253f;font-size:13.5px;font-weight:700;transition:background .25s ease,color .25s ease}
.qs-news-slide:hover em{background:var(--qs-blue);color:#fff}
.qs-news-slide-body em .qs-ico svg{display:block;width:1em;height:1em}
.qs-news-ctrl{position:absolute;right:22px;bottom:24px;z-index:3;display:flex;align-items:center;gap:12px}
.qs-news-ctrl button{width:38px;height:38px;border-radius:50%;border:0;background:rgba(255,255,255,.18);backdrop-filter:blur(4px);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s ease,transform .25s ease}
.qs-news-ctrl button:hover{background:var(--qs-blue);transform:translateY(-2px)}
.qs-news-ctrl button svg{width:15px;height:15px}
.qs-news-counter{color:#fff;font-size:13px;font-weight:700;letter-spacing:1px}
.qs-news-counter b{font-size:16px}
.qs-news-counter span{color:rgba(255,255,255,.65);margin-left:4px}
.qs-news-list{display:flex;flex-direction:column;gap:13px}
.qs-news-list>a{display:grid;grid-template-columns:auto 128px 1fr auto;align-items:center;gap:16px;background:#fff;border:1px solid var(--qs-line);border-radius:14px;padding:11px 16px 11px 14px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.qs-news-list>a:hover{transform:translateY(-3px);border-color:#9fcaff;box-shadow:0 12px 26px rgba(10,61,133,.1)}
.qs-news-date b{display:block;font-size:20px;font-weight:800;color:var(--qs-blue);letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.qs-news-date small{display:block;margin-top:2px;font-size:11px;color:#8ba0b5}
.qs-news-thumb{width:128px;height:84px;border-radius:10px;overflow:hidden;background:#eef5fb}
.qs-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.qs-news-list>a:hover .qs-news-thumb img{transform:scale(1.06)}
.qs-news-txt{min-width:0}
.qs-news-txt b{display:block;font-size:15px;color:#12253f;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qs-news-txt p{margin:5px 0 0;font-size:12.5px;line-height:1.65;color:#6a7f95;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qs-news-list>a .qs-ico{width:34px;height:34px;border:1px solid #dbe6f0;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#33506e;font-style:normal;transition:background .25s ease,color .25s ease,border-color .25s ease}
.qs-news-list>a .qs-ico svg{display:block;width:15px;height:15px}
.qs-news-list>a:hover .qs-ico{background:var(--qs-blue);border-color:var(--qs-blue);color:#fff}
@media(max-width:900px){.qs-news-panel{grid-template-columns:1fr}.qs-news-feature{min-height:340px}}
@media(max-width:560px){.qs-news-list>a{grid-template-columns:auto 96px 1fr;gap:12px}.qs-news-thumb{width:96px;height:70px}.qs-news-list>a .qs-ico{display:none}.qs-news-slide-body b{font-size:18px}.qs-news-slide-body p{margin-bottom:14px}}
/* News v3: comprehensive override of old .qs-news-feature span rule (line 8, specificity 0,1,1)
   that wrongly applies background:#d9ebff, padding:8px 16px, border-radius:18px, margin, font-weight:700
   to ALL spans inside .qs-news-feature — including slide-body, chip, counter. */
/* slide-body: transparent text overlay at bottom of image, NOT a blue pill */
.qs-news-feature .qs-news-slide-body{
  background:none;border-radius:0;padding:0 26px 24px;margin:0;
  display:block;font-weight:400;color:#fff;font-size:14px
}
/* chip: blue badge, not light-blue pill */
.qs-news-feature .qs-news-chip{
  background:var(--qs-blue);border-radius:8px;padding:7px 15px;margin:0;
  display:inline-block;font-weight:700;color:#fff;font-size:12.5px;letter-spacing:1px
}
/* counter: plain text, not a pill */
.qs-news-feature .qs-news-counter{
  background:none;border-radius:0;padding:0;margin:0;
  display:inline;font-weight:700;color:#fff;font-size:13px;letter-spacing:1px
}
.qs-news-feature .qs-news-counter b{
  background:none;border-radius:0;padding:0;margin:0;
  display:inline;font-weight:900;color:#fff;font-size:16px
}
.qs-news-feature .qs-news-counter span{
  background:none;border-radius:0;padding:0;margin:0 0 0 4px;
  display:inline;font-weight:700;color:rgba(255,255,255,.65);font-size:13px
}

/* News v3 polish: stronger scrim, bigger title, richer slide text, tighter controls */
.qs-news-slide{color:#fff}
.qs-news-slide-body b{color:#fff;font-size:24px;line-height:1.35;text-shadow:0 2px 12px rgba(0,12,28,.5)}
.qs-news-slide-body p{margin:10px 0 20px;font-size:14px;line-height:1.8;color:rgba(232,244,255,.92)}
.qs-news-slide:after{background:linear-gradient(180deg,rgba(4,24,50,0) 18%,rgba(4,24,50,.55) 55%,rgba(4,24,50,.95) 100%)}
.qs-news-slide-body em{padding:12px 24px;border-radius:26px;font-size:14px}
.qs-news-ctrl button{background:rgba(8,32,62,.5);border:1px solid rgba(255,255,255,.35)}
.qs-news-ctrl button:hover{background:var(--qs-blue);border-color:var(--qs-blue)}

/* News v3 list polish: bigger date, better title, hover lift */
.qs-news-list>a{padding:12px 16px 12px 14px}
.qs-news-date b{font-size:22px}
.qs-news-date small{font-size:11px}
.qs-news-thumb{width:128px;height:88px}
.qs-news-txt b{font-size:15.5px}
.qs-news-txt p{font-size:12.5px;line-height:1.7}
.qs-news-list>a:hover{transform:translateY(-3px);border-color:#9fcaff;box-shadow:0 14px 30px rgba(10,61,133,.12)}
/* Product cards v3: user-provided stage backgrounds (HomePageBackground1-8), light copy per design mock. */
.qs-product-banner,.qs-product-group-feature,.qs-product-mini{background-color:#e9f3fd}
.qs-bg-1{background-image:url('/style/images/HomePageBackground1.png');background-size:cover;background-position:center 55%;background-repeat:no-repeat}
.qs-bg-2{background-image:url('/style/images/HomePageBackground2.png');background-size:cover;background-position:center 55%;background-repeat:no-repeat}
.qs-bg-3{background-image:url('/style/images/HomePageBackground3.png');background-size:cover;background-position:center 62%;background-repeat:no-repeat}
.qs-bg-4{background-image:url('/style/images/HomePageBackground4.png');background-size:cover;background-position:center 62%;background-repeat:no-repeat}
.qs-bg-5{background-image:url('/style/images/HomePageBackground5.png');background-size:cover;background-position:center 62%;background-repeat:no-repeat}
.qs-bg-6{background-image:url('/style/images/HomePageBackground6.png');background-size:cover;background-position:center 62%;background-repeat:no-repeat}
.qs-bg-7{background-image:url('/style/images/HomePageBackground7.png');background-size:cover;background-position:center 62%;background-repeat:no-repeat}
.qs-bg-8{background-image:url('/style/images/HomePageBackground8.png');background-size:cover;background-position:center 62%;background-repeat:no-repeat}
.qs-product-banner{border:1px solid #cfe2f4}
.qs-product-banner:after{background:linear-gradient(90deg,rgba(255,255,255,.55),rgba(255,255,255,.06) 58%)}
.qs-product-banner-primary{box-shadow:0 14px 28px rgba(12,89,164,.16)}
.qs-product-banner-secondary{border-color:#cfe2f4;box-shadow:0 14px 28px rgba(12,89,164,.16)}
.qs-product-banner-primary .qs-product-banner-copy,.qs-product-banner-secondary .qs-product-banner-copy{color:#0e3a6d!important}
.qs-product-banner-primary .qs-product-banner-copy>span,.qs-product-banner-secondary .qs-product-banner-copy>span{color:#2e7ce0!important;opacity:1}
.qs-products-c .qs-product-banner-copy h3,.qs-products-c .qs-product-banner-copy p{color:#fff!important;opacity:1!important;filter:none!important;-webkit-text-fill-color:#fff!important;text-shadow:none!important}
.qs-product-banner .qs-product-banner-copy em{background:linear-gradient(135deg,#3d95ff,#126fce);border-color:transparent;color:#fff;box-shadow:0 10px 20px rgba(18,111,206,.28)}
.qs-product-banner .qs-product-banner-copy em:hover{background:#0d5ea8;color:#fff;transform:translateY(-2px)}
.qs-product-group-feature{border-color:#c3dcf0;box-shadow:0 10px 22px rgba(34,91,137,.1)}
.qs-product-group-feature:before{background:none}
.qs-product-group-feature b{color:#0e3a6d}
.qs-product-group-feature small{color:#5c7893}
.qs-product-group-feature i{background:linear-gradient(145deg,#eaf6ff,#d3ebff);border-color:#b9dcf7;color:var(--qs-blue)}
.qs-product-group-feature:hover{border-color:#8fc1ea;box-shadow:0 14px 26px rgba(14,96,177,.22)}
.qs-product-group-feature:hover i{background:#fff;color:var(--qs-blue);border-color:#9cc8ee}
.qs-product-mini{border-color:#c3dcf0;box-shadow:0 6px 16px rgba(34,91,137,.1)}
.qs-product-mini b{color:#0e3a6d}
.qs-product-mini small{color:#5c7893}
.qs-product-mini i{opacity:1;transform:none;background:#fff;border-color:#c9e2f6;color:var(--qs-blue)}
.qs-product-mini:hover{border-color:#8fc1ea;box-shadow:0 12px 24px rgba(14,96,177,.22);color:#0e3a6d}
.qs-product-mini:hover b{color:#0e3a6d}
.qs-product-mini:hover small{color:#46617c}
.qs-product-mini:hover i{background:var(--qs-blue);color:#fff;border-color:var(--qs-blue)}
.qs-bg-4:hover{background-image:linear-gradient(rgba(255,255,255,.4),rgba(255,255,255,.4)),url('/style/images/HomePageBackground4.png');background-size:cover;background-position:center 62%}
.qs-bg-5:hover{background-image:linear-gradient(rgba(255,255,255,.4),rgba(255,255,255,.4)),url('/style/images/HomePageBackground5.png');background-size:cover;background-position:center 62%}
.qs-bg-7:hover{background-image:linear-gradient(rgba(255,255,255,.4),rgba(255,255,255,.4)),url('/style/images/HomePageBackground7.png');background-size:cover;background-position:center 62%}
.qs-bg-8:hover{background-image:linear-gradient(rgba(255,255,255,.4),rgba(255,255,255,.4)),url('/style/images/HomePageBackground8.png');background-size:cover;background-position:center 62%}
/* Seat renders on the baked-in floor shadows of the stage backgrounds. */
.qs-bg-1{background-position:62% 55%}
.qs-product-banner-primary>img{bottom:24px;object-position:bottom}
.qs-bg-4{background-position:64% 62%}
.qs-bg-5{background-position:62% 62%}
.qs-bg-7{background-position:62% 62%}
.qs-bg-8{background-position:58% 62%}
.qs-product-mini img{transform:translateY(5px)}
.qs-product-mini:hover img{transform:translateY(2px)}
.qs-product-banner-primary>img{bottom:40px}
.qs-bg-3{background-size:auto 120%;background-position:46% 1%}
.qs-bg-5{background-position:70% 62%}
.qs-bg-7{background-position:58% 62%}
/* Seat renders by CONTENT bounds (PNG alpha-trimmed feet), not box bottoms. */
.qs-product-banner-primary>img{bottom:32px;object-position:bottom center}
.qs-product-group-feature>img{object-position:bottom center}
.qs-product-group-public .qs-product-group-feature>img{flex:0 0 253px}
.qs-bg-3{background-size:auto 100%;background-position:45% 0%}
/* Carport render stays inside the card at rest; hover lift may still poke out. */
.qs-product-banner-primary>img{height:calc(100% - 32px)}

/* Carport stage alignment: match the transparent render to the baked-in floor shadows. */
.qs-product-banner-primary>img{
  right:-2.8%;
  bottom:25px;
  transform:scaleX(1.124);
  transform-origin:right bottom;
}

/* Contact-point pass from the annotated product-center reference. */
.qs-product-banner-primary>img{right:-4.6%;bottom:5px}
.qs-bg-3{background-size:cover;background-position:center 58%}
.qs-product-group-public .qs-product-group-feature>img{transform:translate(36px,0) scale(1.1)}
.qs-product-group-engineering .qs-product-group-feature>img{transform:translate(70px,18px) scale(1.1)}
.qs-product-group-public .qs-product-mini:nth-child(1) img{transform:translate(0,12px)}
.qs-product-group-public .qs-product-mini:nth-child(2) img{transform:translate(20px,11px)}
.qs-product-group-engineering .qs-product-mini:nth-child(1) img{transform:translate(35px,12px)}
.qs-product-group-engineering .qs-product-mini:nth-child(2) img{transform:translate(-10px,12px)}

/* Final contact-point correction against the annotated product-center reference. */
.qs-product-banner-primary>img{right:-2.8%;bottom:24px}
.qs-product-group-public .qs-product-group-feature>img{transform:translate(24px,0) scale(1.1)}
.qs-product-group-engineering .qs-product-group-feature>img{transform:translate(0,0) scale(1.1)}
.qs-product-group-public .qs-product-mini:nth-child(2) img{transform:translate(-4px,0)}
.qs-product-group-engineering .qs-product-mini:nth-child(1) img{transform:translate(12px,0)}
.qs-product-group-engineering .qs-product-mini:nth-child(2) img{transform:translate(13px,0)}

/* Keep product PNGs at their native proportions; background art carries the contact shadows. */
.qs-product-banner-primary>img{right:1%;bottom:0;width:56%;height:100%;transform:none;transform-origin:center center}
.qs-product-group-feature>img{transform:none;transform-origin:center center}
.qs-product-group-public .qs-product-group-feature>img,.qs-product-group-engineering .qs-product-group-feature>img{transform:none}
.qs-product-mini img,.qs-product-group-public .qs-product-mini img,.qs-product-group-engineering .qs-product-mini img{transform:none}

/* Product renders stay fixed on hover as well; only the background shadow layer changes. */
.qs-product-banner:hover>img,.qs-product-group-feature:hover>img,.qs-product-mini:hover img{transform:none}

/* Keep the original proportional presentation; only the background raster supplies alignment shadows. */
.qs-product-banner-primary>img{right:1%;bottom:0;width:56%;height:100%;transform:none;transform-origin:center center}
.qs-product-group-feature>img{transform:scale(1.1);transform-origin:center 48%}
.qs-product-group-public .qs-product-group-feature>img,.qs-product-group-engineering .qs-product-group-feature>img{transform:scale(1.1)}
.qs-product-mini img,.qs-product-group-public .qs-product-mini img,.qs-product-group-engineering .qs-product-mini img{transform:translateY(5px)}

/* Formal positions from the final manual alignment pass. */
.qs-product-banner-primary>img{transform:translate(17px,18px) scale(.9);transform-origin:center center;z-index:4}
.qs-product-group-public .qs-product-group-feature>img{transform:translate(0,-3px) scale(1.276);transform-origin:center 48%;z-index:4}
.qs-product-group-public .qs-product-mini:nth-child(1) img{transform:translate(41px,29px) scale(1);z-index:4}
.qs-product-group-public .qs-product-mini:nth-child(2) img{transform:translate(43px,47px) scale(1);z-index:4}
.qs-product-group-engineering .qs-product-group-feature>img{transform:translate(8px,40px) scale(1.1);transform-origin:center 48%;z-index:4}
.qs-product-group-engineering .qs-product-mini:nth-child(1) img{transform:translate(26px,31px) scale(1.08);z-index:4}
.qs-product-group-engineering .qs-product-mini:nth-child(2) img{transform:translate(25px,36px) scale(1.48);z-index:4}

/* On hover the render lifts and grows slightly beyond the card edge. */
.qs-product-banner-primary:hover>img{transform:translate(17px,-6px) scale(.98)}
.qs-product-group-public .qs-product-group-feature:hover>img{transform:translate(0,-27px) scale(1.36)}
.qs-product-group-public .qs-product-mini:nth-child(1):hover img{transform:translate(41px,5px) scale(1.08)}
.qs-product-group-public .qs-product-mini:nth-child(2):hover img{transform:translate(43px,23px) scale(1.08)}
.qs-product-group-engineering .qs-product-group-feature:hover>img{transform:translate(8px,16px) scale(1.18)}
.qs-product-group-engineering .qs-product-mini:nth-child(1):hover img{transform:translate(26px,7px) scale(1.16)}
.qs-product-group-engineering .qs-product-mini:nth-child(2):hover img{transform:translate(25px,12px) scale(1.58)}

/* Advantage icon scale and first-card membrane linework refinement. */
.qs-advantage-layout .qs-advantage-item .qs-advantage-icon{width:74px;height:74px}
.qs-advantage-layout .qs-advantage-body{margin-top:16px}
@media(max-width:640px){.qs-advantage-layout .qs-advantage-item .qs-advantage-icon{width:64px;height:64px}.qs-advantage-layout .qs-advantage-body{margin-top:14px}}

/* Header navigation upgrade: direct product categories with image mega menus. */
.top{position:relative!important;z-index:1000!important}
.qs-main-nav{position:relative!important}
.qs-main-nav>.qs-nav-item{position:relative!important}
.qs-main-nav>.qs-nav-item>a{gap:5px!important;white-space:nowrap!important}
.qs-nav-caret{display:inline-block;font-size:14px;line-height:1;color:currentColor;transform:translateY(-1px);transition:transform .25s ease}
.qs-nav-has-menu:hover>.qs-nav-caret,.qs-nav-has-menu:focus-within>.qs-nav-caret{transform:rotate(180deg) translateY(1px)}
.qs-nav-mega{position:absolute;top:calc(100% - 1px);left:50%;width:min(930px,calc(100vw - 36px));padding:20px;box-sizing:border-box;border:1px solid #dceaf6;border-radius:0 0 18px 18px;background:rgba(255,255,255,.98);box-shadow:0 22px 46px rgba(16,65,112,.18);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,10px);transition:opacity .22s ease,transform .22s ease,visibility .22s ease}
.qs-nav-has-menu:nth-child(1)>.qs-nav-mega{left:0;transform:translateY(10px)}
.qs-nav-has-menu:nth-child(3)>.qs-nav-mega{left:auto;right:0;transform:translateY(10px)}
.qs-nav-has-menu:hover>.qs-nav-mega,.qs-nav-has-menu:focus-within>.qs-nav-mega{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.qs-nav-has-menu:nth-child(1):hover>.qs-nav-mega,.qs-nav-has-menu:nth-child(1):focus-within>.qs-nav-mega,.qs-nav-has-menu:nth-child(3):hover>.qs-nav-mega,.qs-nav-has-menu:nth-child(3):focus-within>.qs-nav-mega{transform:translateY(0)}
.qs-nav-mega-inner{display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:stretch}
.qs-nav-mega-heading{display:flex;flex-direction:column;justify-content:center;padding:8px 4px 8px 6px}
.qs-nav-mega-heading>span{color:#4b98e8;font:700 10px/1.2 Arial,sans-serif;letter-spacing:2px}
.qs-nav-mega-heading>b{margin-top:10px;color:#103c71;font-size:22px;line-height:1.25}
.qs-nav-mega-heading>small{margin-top:9px;color:#7890a8;font-size:12px;line-height:1.7}
.qs-nav-mega-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.qs-nav-mega-cards>a{display:flex!important;flex-direction:column!important;align-items:flex-start!important;height:auto!important;min-width:0!important;padding:10px!important;border:1px solid #e3eef8;border-radius:12px;background:linear-gradient(145deg,#f8fbff,#edf6fd);color:#183c69!important;line-height:1.3!important;box-sizing:border-box;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.qs-nav-mega-cards>a:hover{border-color:#9bc9f4;box-shadow:0 10px 22px rgba(23,104,183,.16);transform:translateY(-3px)}
.qs-nav-mega-cards img{display:block!important;width:100%!important;height:104px!important;object-fit:contain!important;margin:0 0 7px!important;opacity:1!important;transform:none!important}
.qs-nav-mega-cards b{display:block!important;height:auto!important;margin:0!important;color:#153d6d!important;font-size:14px!important;line-height:1.4!important;font-weight:700!important}
.qs-nav-mega-cards small{display:block!important;margin-top:4px!important;color:#71869c!important;font-size:11px!important;line-height:1.4!important}
@media(max-width:900px){.qs-nav-mega{width:min(720px,calc(100vw - 24px));padding:16px}.qs-nav-mega-inner{grid-template-columns:135px 1fr;gap:14px}.qs-nav-mega-cards{gap:8px}.qs-nav-mega-cards img{height:82px!important}.qs-nav-mega-heading>b{font-size:19px}}
@media(max-width:640px){.qs-main-nav{gap:8px!important}.qs-main-nav>.qs-nav-item>a{font-size:12px!important}.qs-nav-mega{position:fixed;left:12px!important;right:12px!important;top:72px;width:auto;transform:translateY(10px)!important}.qs-nav-has-menu:hover>.qs-nav-mega,.qs-nav-has-menu:focus-within>.qs-nav-mega{transform:translateY(0)!important}.qs-nav-mega-inner{grid-template-columns:1fr}.qs-nav-mega-heading{padding:0}.qs-nav-mega-cards img{height:76px!important}}
/* Keep each mega menu fully inside the content width on desktop. */
.qs-nav-mega{width:min(820px,calc(100vw - 36px))}
.qs-nav-has-menu:nth-child(1)>.qs-nav-mega{left:auto;right:-440px;transform:translateY(10px)}
.qs-nav-has-menu:nth-child(2)>.qs-nav-mega{left:auto;right:-330px;transform:translateY(10px)}
.qs-nav-has-menu:nth-child(3)>.qs-nav-mega{left:auto;right:-180px;transform:translateY(10px)}
.qs-nav-has-menu:nth-child(1):hover>.qs-nav-mega,.qs-nav-has-menu:nth-child(1):focus-within>.qs-nav-mega,.qs-nav-has-menu:nth-child(2):hover>.qs-nav-mega,.qs-nav-has-menu:nth-child(2):focus-within>.qs-nav-mega,.qs-nav-has-menu:nth-child(3):hover>.qs-nav-mega,.qs-nav-has-menu:nth-child(3):focus-within>.qs-nav-mega{transform:translateY(0)}
@media(max-width:900px){.qs-nav-mega{width:min(720px,calc(100vw - 24px))}.qs-nav-has-menu:nth-child(1)>.qs-nav-mega,.qs-nav-has-menu:nth-child(2)>.qs-nav-mega,.qs-nav-has-menu:nth-child(3)>.qs-nav-mega{right:0}}
/* Override legacy fixed-height nav links inside mega-menu cards. */
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a{display:flex!important;flex-direction:column!important;align-items:flex-start!important;height:auto!important;min-height:0!important;overflow:hidden!important;line-height:1.3!important}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a img{height:104px!important;flex:none!important}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a b{height:auto!important;line-height:1.4!important}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a small{height:auto!important;line-height:1.4!important}
/* Header refinement: centered navigation, enlarged logo, full-width glass mega menus. */
.top{position:sticky!important;top:0!important;background:rgba(255,255,255,.78)!important;border-bottom:1px solid rgba(210,226,239,.72)!important;box-shadow:0 8px 24px rgba(37,78,115,.08)!important;backdrop-filter:saturate(150%) blur(16px)!important;-webkit-backdrop-filter:saturate(150%) blur(16px)!important}
.top_in{position:relative!important;z-index:2!important}
.top_in .totalwidth{position:relative!important;justify-content:center!important;align-items:center!important}
.top .logo{position:absolute!important;left:0!important;top:50%!important;transform:translateY(-50%)!important;width:270px!important;height:62px!important;flex:0 0 270px!important;margin:0!important;z-index:3!important}
.top .nav.menu{margin:0 auto!important;transform:none!important;z-index:4!important}
.NavCeshi{justify-content:center!important;gap:clamp(22px,2.5vw,36px)!important}
.NavCeshi>li{min-width:0!important;padding:0!important}
.NavCeshi>li>a{font-size:15px!important;font-weight:600!important}
.qs-header-tools{position:absolute;right:0;top:0;height:88px;display:flex;align-items:center;gap:16px;z-index:5}
.qs-header-tools a{color:#647587;font-size:12px;white-space:nowrap;text-decoration:none;transition:color .2s ease}
.qs-header-tools a:hover{color:var(--qs-blue)}
.qs-nav-mega{position:fixed!important;top:88px!important;left:0!important;right:0!important;width:100vw!important;max-width:none!important;padding:26px 0 30px!important;border-radius:0!important;border-left:0!important;border-right:0!important;transform:translateY(10px)!important}
.qs-nav-has-menu:nth-child(1)>.qs-nav-mega,.qs-nav-has-menu:nth-child(2)>.qs-nav-mega,.qs-nav-has-menu:nth-child(3)>.qs-nav-mega{left:0!important;right:0!important}
.qs-nav-has-menu:hover>.qs-nav-mega,.qs-nav-has-menu:focus-within>.qs-nav-mega{transform:translateY(0)!important}
.qs-nav-mega-inner{width:min(1200px,calc(100% - 48px));margin:0 auto;grid-template-columns:180px minmax(0,1fr) 172px;gap:28px;align-items:stretch}
.qs-nav-mega-side{display:flex;flex-direction:column;justify-content:center;gap:10px;padding:8px 0 8px 28px;border-left:1px solid #e2edf6}
.qs-nav-mega-side>span{margin-bottom:3px;color:#9aabba;font:700 10px/1.2 Arial,sans-serif;letter-spacing:1.8px}
.qs-nav-mega-side>a{display:block!important;height:auto!important;padding:0!important;color:#284c70!important;font-size:13px!important;font-weight:500!important;line-height:1.45!important;text-decoration:none!important;transition:color .2s ease,transform .2s ease}
.qs-nav-mega-side>a:hover{color:var(--qs-blue)!important;transform:translateX(3px)}
@media(max-width:1100px){.top .logo{width:235px!important;height:54px!important;flex-basis:235px!important}.qs-header-tools{display:none}.NavCeshi{gap:20px!important}.qs-nav-mega-inner{grid-template-columns:150px minmax(0,1fr) 150px;gap:18px}}
@media(max-width:640px){.top{position:sticky!important}.top_in .totalwidth{height:72px!important}.top .logo{width:190px!important;height:44px!important}.NavCeshi{gap:10px!important}.NavCeshi>li>a{font-size:12px!important}.qs-nav-mega{top:72px!important}.qs-nav-mega-inner{width:calc(100% - 24px);grid-template-columns:1fr;gap:16px}.qs-nav-mega-side{border-left:0;border-top:1px solid #e2edf6;padding:14px 0 0;display:grid;grid-template-columns:repeat(2,1fr)}.qs-nav-mega-side>span{grid-column:1/-1}}
/* Keep utility links compact inside the full-width panel. */
.qs-main-nav>.qs-nav-item .qs-nav-mega-side>a{display:block!important;height:auto!important;min-height:0!important;padding:0!important;line-height:1.45!important}
/* Use a true fixed header so the glass navigation stays visible while the document scrolls. */
.top{position:fixed!important;top:0!important;left:0!important;right:0!important;width:100%!important}
body{padding-top:88px!important}
@media(max-width:640px){body{padding-top:72px!important}}

/* Layout refinement v98: use the same centered side margins as the reference sites. */
@media(min-width:901px){
  .top{height:76px!important}
  .top_in .totalwidth{width:calc(100% - 64px)!important;height:76px!important}
  .top .logo{width:250px!important;height:56px!important}
  .NavCeshi,.NavCeshi>li,.NavCeshi>li>a{height:76px!important}
  .qs-nav-mega{top:76px!important}
  .qs-header-tools{height:76px!important}
  body{padding-top:76px!important}
}

/* Keep the home content centered with generous but consistent outer breathing room. */
.qs-home>.totalwidth{width:min(1920px,80vw)!important}
.qs-home>.qs-products{width:100%!important;max-width:none!important;padding-left:0!important;padding-right:0!important}
.qs-products>.qs-section-head,.qs-products>.qs-product-catalog{width:min(1920px,80vw)!important;margin-left:auto!important;margin-right:auto!important}
.qs-nav-mega-inner{width:min(1920px,80vw)!important}

/* Contact area now shares the same content width and gives the consultation card room to breathe. */
.qs-contact-inner{width:min(1920px,80vw)!important;min-height:clamp(480px,33vw,700px)!important;padding-top:44px!important;padding-bottom:50px!important;grid-template-columns:minmax(380px,1.25fr) minmax(240px,320px) minmax(400px,.95fr)!important;gap:clamp(24px,2vw,42px)!important}
.qs-contact-panel{width:100%;box-sizing:border-box}
.qs-contact-visual{width:100%}

@media(max-width:900px){
  .top,.top_in,.top_in .totalwidth{height:72px!important}
  .NavCeshi,.NavCeshi>li,.NavCeshi>li>a{height:72px!important}
  .top .logo{height:44px!important}
  .qs-nav-mega{top:72px!important}
  .qs-home>.totalwidth,.qs-contact-inner{width:calc(100% - 48px)!important}
  .qs-products>.qs-section-head,.qs-products>.qs-product-catalog{width:calc(100% - 48px)!important}
  .qs-contact-inner{min-height:0!important;padding-top:42px!important;padding-bottom:46px!important;grid-template-columns:1fr!important}
}

/* Layout refinement v99: a shorter, vertically centered header and a product centre aligned to the page grid. */
@media(min-width:901px){
  .top,.top_in,.top_in .totalwidth{height:64px!important}
  .top .nav.menu{height:64px!important}
  .top .logo{width:244px!important;height:50px!important;top:50%!important;transform:translateY(-50%)!important}
  .NavCeshi,.NavCeshi>li,.NavCeshi>li>a{height:64px!important}
  .qs-header-tools{height:64px!important}
  .qs-nav-mega{top:64px!important}
  body{padding-top:64px!important}
}
.qs-home>.qs-products.qs-products-c{width:min(1920px,80vw)!important;max-width:none!important;margin-left:auto!important;margin-right:auto!important}
.qs-products-c>.qs-section-head,.qs-products-c>.qs-product-showcase,.qs-products-c>.qs-product-info-bar{width:100%!important;max-width:none!important}
@media(max-width:900px){
  .top,.top_in,.top_in .totalwidth{height:64px!important}
  .top .nav.menu{height:64px!important}
  .NavCeshi,.NavCeshi>li,.NavCeshi>li>a{height:64px!important}
  .top .logo{height:40px!important}
  .qs-nav-mega{top:64px!important}
  body{padding-top:64px!important}
  .qs-home>.qs-products.qs-products-c{width:calc(100% - 48px)!important;padding-left:18px!important;padding-right:18px!important}
}

/* Contact redesign v100: match the supplied three-column contact artwork. */
.qs-contact{background:linear-gradient(180deg,#f8fcff 0%,#eef7fd 100%)!important;color:var(--qs-ink)}
.qs-contact:before{display:block!important;z-index:0;opacity:.2;pointer-events:none;background:url('/style/images/qingsong-products-bg.jpg?v=20260909-products-bg1') center/cover no-repeat}
.qs-contact-inner{grid-template-columns:minmax(0,1fr) minmax(360px,.62fr) minmax(0,1fr)!important;gap:clamp(24px,2vw,44px)!important;min-height:clamp(560px,35vw,760px)!important;padding-top:44px!important;padding-bottom:44px!important}
.qs-contact-copy{justify-content:flex-start!important}
.qs-contact h2{font-size:clamp(34px,2.3vw,48px)!important;line-height:1.15!important;margin:10px 0 16px!important}
.qs-contact h3{font-size:clamp(21px,1.35vw,28px)!important;line-height:1.5!important}
.qs-contact-line{position:relative;overflow:hidden}
.qs-contact-line-primary{min-height:132px;box-sizing:border-box;background:linear-gradient(135deg,#1674d0 0%,#1263bb 55%,#08458e 100%)!important;border-radius:16px!important}
.qs-contact-line-primary:after{content:"";position:absolute;right:-8%;bottom:-58%;width:72%;height:120%;border-radius:50%;background:radial-gradient(ellipse at center,rgba(111,190,255,.26),rgba(111,190,255,0) 70%);pointer-events:none}
.qs-contact-line-primary:before{content:"专业服务\A随时在线";position:absolute;right:8%;top:36%;z-index:1;white-space:pre;color:rgba(220,241,255,.8);font-size:13px;line-height:1.55;letter-spacing:1px;border-left:1px solid rgba(220,241,255,.35);padding-left:24px}
.qs-contact-line-primary>span,.qs-contact-line-primary>b{position:relative;z-index:1}
.qs-contact-line-primary .qs-contact-tel{font-size:clamp(22px,1.55vw,30px)!important;letter-spacing:1px}
.qs-contact-copy .qs-contact-line:last-child{flex:0 0 auto!important;min-height:126px;box-sizing:border-box;background:linear-gradient(135deg,rgba(255,255,255,.98),rgba(247,252,255,.86)),repeating-linear-gradient(145deg,transparent 0 42px,rgba(111,170,224,.08) 43px 44px)!important}
.qs-contact-copy .qs-contact-line:last-child:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 84% 40%,rgba(28,131,243,.18) 0 14px,transparent 15px),radial-gradient(circle at 84% 40%,transparent 0 30px,rgba(28,131,243,.1) 31px 32px,transparent 33px);pointer-events:none}
.qs-contact-copy .qs-contact-line:last-child:before{content:"";position:absolute;right:10%;top:50%;z-index:1;width:54px;height:54px;transform:translateY(-50%);background:url('/style/images/location.svg') center/contain no-repeat;filter:drop-shadow(0 5px 8px rgba(18,111,206,.2))}
.qs-contact-visual{align-self:center!important;max-height:560px!important;border-radius:18px!important;box-shadow:0 14px 30px rgba(24,94,150,.14)!important}
.qs-contact-panel{align-self:center!important;min-height:520px;box-sizing:border-box;padding:34px 38px 28px!important;border-radius:18px!important;background:rgba(255,255,255,.94)!important;box-shadow:0 12px 30px rgba(20,88,145,.12)!important}
.qs-contact-panel{justify-self:start!important;width:min(100%,550px)!important}
.qs-contact-copy{height:520px!important;box-sizing:border-box!important;align-self:center!important}
.qs-contact-copy .qs-contact-line:last-child{margin-top:auto!important}
.qs-contact-visual{width:100%!important;max-width:470px!important;height:520px!important;max-height:none!important;align-self:center!important;display:block!important;transform:none!important;border-radius:18px!important;box-shadow:0 14px 30px rgba(24,94,150,.14)!important;background:#eaf5fd!important;overflow:hidden!important}
.qs-contact-panel{height:520px!important;min-height:520px!important;align-self:center!important}
.qs-contact-inner{grid-template-columns:minmax(380px,1.15fr) minmax(400px,.72fr) minmax(430px,1fr)!important}
.qs-contact-visual img{transform:none!important;object-fit:cover!important;object-position:center center!important;width:100%!important;height:100%!important;margin:0!important;background:transparent!important;border-radius:0!important;box-shadow:none!important}
@media (min-width:901px) and (max-width:1500px){
  .qs-contact-inner{grid-template-columns:minmax(0,.9fr) minmax(360px,.75fr) minmax(0,1fr)!important;gap:24px!important}
  .qs-contact-visual{max-width:440px!important}
}
.qs-contact-visual img{width:100%!important;height:100%!important;margin:0!important;object-fit:cover!important;object-position:center center!important;transform:none!important;transition:none!important}
.qs-contact-visual:hover img{transform:none!important}
.qs-contact-panel{overflow:hidden!important}
.qs-contact-panel-bottom{box-sizing:border-box!important;max-width:100%!important;overflow:hidden!important}
@media (min-width:1501px){.qs-contact-panel-bottom{padding-right:150px!important}.qs-contact-panel-bottom:after{right:0!important;width:132px!important;font-size:10px!important;letter-spacing:1.2px!important}.qs-contact-panel-bottom:before{right:142px!important}}
@media (min-width:2200px){
  .qs-contact-copy,.qs-contact-visual,.qs-contact-panel{height:620px!important;min-height:620px!important}
  .qs-contact-visual img{height:100%!important}
  .qs-contact-panel{padding-top:38px!important;padding-bottom:34px!important}
  .qs-contact-panel-bottom{min-height:170px!important;padding-top:28px!important}
  .qs-contact-inner{width:min(1920px,80vw)!important;grid-template-columns:minmax(470px,.75fr) minmax(400px,.62fr) minmax(470px,1fr)!important;gap:36px!important}
  .qs-contact-visual img{width:100%!important;height:100%!important;margin:0!important;transform:none!important}
  .qs-contact-panel{padding-left:34px!important;padding-right:28px!important}
  .qs-contact-panel-bottom{padding-right:168px!important;gap:24px!important}
  .qs-contact-panel-bottom:after{width:145px!important;font-size:10px!important;letter-spacing:1.5px!important}
  .qs-contact-panel-bottom:before{right:156px!important}
}
@media (min-width:2200px) and (max-width:3000px){
  .qs-contact-copy,.qs-contact-visual,.qs-contact-panel{height:520px!important;min-height:520px!important}
  .qs-contact-inner{width:min(1920px,80vw)!important;grid-template-columns:minmax(0,1.15fr) minmax(360px,.82fr) minmax(0,1fr)!important;gap:30px!important}
  .qs-contact-visual{max-width:470px!important}
  .qs-contact-panel-bottom{min-height:145px!important}
}
/* Stable desktop baseline: 2K layout, larger screens keep the same geometry. */
@media (min-width:901px){
  .qs-contact-inner{width:min(1536px,calc(100vw - 80px))!important;grid-template-columns:minmax(0,1fr) 470px minmax(0,1fr)!important;gap:32px!important}
  .qs-contact-copy,.qs-contact-visual,.qs-contact-panel{height:520px!important;min-height:520px!important}
  .qs-contact-visual{max-width:470px!important}
}
.qs-contact-visual img,.qs-contact-visual:hover img{transform:none!important;transition:none!important}
.qs-contact-visual,.qs-contact-visual:hover,.qs-contact-visual img,.qs-contact-visual:hover img{transition:none!important;animation:none!important}
.qs-contact-visual img{transform:none!important;object-fit:cover!important;object-position:center center!important}
/* No hover motion anywhere in the contact block: image stays put, info cards do not lift. */
.qs-contact .qs-contact-line,.qs-contact .qs-contact-line:hover{transform:none!important;transition:none!important}
.qs-contact .qs-contact-line:hover{border-color:#e3eef9;box-shadow:0 6px 16px rgba(10,61,133,.06)}
.qs-contact-copy h3{font-size:clamp(22px,1.45vw,28px)!important;color:#607e9d!important}
.qs-contact-line-primary{min-height:132px!important}
.qs-contact-copy .qs-contact-line:last-child{min-height:126px!important}
.qs-contact-panel h3{margin-top:16px!important;font-size:clamp(22px,1.55vw,32px)!important;color:var(--qs-deep)!important}
.qs-contact-panel-points{gap:14px!important;margin:24px 0 28px!important}
.qs-contact-panel-points>span{min-height:128px;box-sizing:border-box;padding:16px!important}
.qs-contact-panel-points .qs-pt-txt{display:flex!important;flex-direction:column;align-items:flex-start;gap:2px}
.qs-contact-panel-points .qs-pt-txt strong{font-size:14px;color:#284c70}
.qs-contact-panel-points .qs-pt-txt small{font-size:11px;color:#8ba6bd;line-height:1.45}
.qs-contact-panel-points img{width:58px!important;height:58px!important}
.qs-contact-panel-bottom{padding-top:24px;border-top:1px solid #e2edf6;justify-content:flex-start!important;gap:34px!important}
.qs-contact-qr-item img{width:104px!important;height:104px!important}
@media(max-width:900px){
  .qs-contact:before{opacity:.1}
  .qs-contact-inner{grid-template-columns:1fr!important;min-height:0!important;padding-top:42px!important;padding-bottom:46px!important}
  .qs-contact-panel{min-height:0;padding:28px 24px 26px!important}
  .qs-contact-panel-points>span{min-height:116px}
}
@media(max-width:640px){
  .top .logo{width:130px!important;height:32px!important}
  .top .nav.menu{position:absolute!important;left:140px!important;right:0!important;top:0!important;margin:0!important;overflow:hidden!important}
  .NavCeshi{justify-content:flex-start!important;gap:4px!important;width:max-content!important}
  .NavCeshi>li>a{font-size:9px!important;white-space:nowrap!important}
}

/* Contact alignment polish v103 */
.qs-contact-copy{padding-top:8px!important}
.qs-contact-copy .qs-label{font-size:12px!important;letter-spacing:2.5px!important;color:#1677d2!important}
.qs-contact-copy h2{font-size:clamp(34px,2.2vw,46px)!important;letter-spacing:1px!important;margin:9px 0 13px!important}
.qs-contact-copy h3{font-size:clamp(20px,1.3vw,25px)!important;line-height:1.55!important;color:#64809d!important;margin-bottom:18px!important}
.qs-contact-line-primary{padding:22px 24px!important;gap:15px!important;align-items:center!important}
.qs-contact-line-primary b{width:52px!important;height:52px!important;flex:0 0 52px!important}
.qs-contact-line-primary>span{display:flex!important;flex-direction:column!important}
.qs-contact-line-primary em{font-size:11px!important;margin-bottom:3px!important}
.qs-contact-line-primary .qs-contact-tel{font-size:clamp(21px,1.45vw,28px)!important;font-weight:800!important;line-height:1.15!important}
.qs-contact-line-primary small{font-size:10px!important;margin-top:6px!important}
.qs-contact-copy .qs-contact-line:last-child{padding:20px 24px!important;gap:15px!important;align-items:center!important}
.qs-contact-copy .qs-contact-line:last-child>b{width:50px!important;height:50px!important;flex:0 0 50px!important;background:#e8f3ff!important;border-color:#cce4fb!important;color:#1677d2!important}
.qs-contact-copy .qs-contact-line:last-child>span{font-size:15px!important;font-weight:700!important;color:#284c70!important;line-height:1.5!important}
.qs-contact-copy .qs-contact-line:last-child em{display:block!important;font-size:11px!important;color:#7995ae!important;font-weight:400!important;margin-bottom:3px!important}

/* Contact v107: larger small text in the contact cards — labels and opening hours were too small to read. */
.qs-contact-line-primary em{font-size:13px!important;margin-bottom:4px!important}
.qs-contact-line-primary small{font-size:12px!important;margin-top:7px!important}
.qs-contact-copy .qs-contact-line:last-child em{font-size:13px!important;margin-bottom:4px!important}
.qs-contact-copy .qs-contact-line:last-child>span{font-size:16px!important}
.qs-contact-panel-bottom{position:relative!important;padding-right:200px!important;min-height:132px!important;box-sizing:border-box!important}
.qs-contact-panel-bottom:after{content:'专业空间结构\A支撑更美好的空间\A\A——\A BETTER SPACES\A A BRIGHTER TOMORROW';white-space:pre;position:absolute;right:0;top:26px;width:165px;color:#9ab0c6;font-size:11px;line-height:1.65;letter-spacing:2px}
.qs-contact-panel-bottom:before{content:'';position:absolute;right:182px;top:18px;width:1px;height:105px;background:#dce8f2}
@media(max-width:900px){.qs-contact-panel-bottom{padding-right:0!important}.qs-contact-panel-bottom:after,.qs-contact-panel-bottom:before{display:none}}
.qs-contact-qr-item{min-width:104px!important}
.qs-contact-qr-item figcaption{margin-top:8px!important;color:#294f74!important;font-size:14px!important;font-weight:700!important;line-height:1.35!important;white-space:nowrap!important}
.qs-contact-qr-item:first-child figcaption:after{content:'获取专业顾问支持';display:block;color:#91a9bf;font-size:11px;font-weight:400;letter-spacing:.2px;margin-top:3px}
.qs-contact-qr-item:last-child figcaption:after{content:'了解更多项目案例';display:block;color:#91a9bf;font-size:11px;font-weight:400;letter-spacing:.2px;margin-top:3px}

/* Logo optical centering: stretch the link/image box so the artwork is centered inside the header. */
.top .logo a,.top .logo img{display:block!important;width:100%!important;height:100%!important}
.top .logo img{object-fit:contain!important}

/* Inner product pages: let the page wash continue behind the content instead of a solid white wrapper. */
#bodycon,#bodycon>#center{background:transparent!important}

/* Align the desktop logo with the 1200px inner-page content column. */
@media(min-width:901px){
  .top .logo{left:calc(50% - 600px)!important}
}

/* Contact alignment polish v105: the artwork is shown in full — card size is locked to the
   image ratio and scaled as a whole; narrower screens donate width from the left contact column. */
.qs-contact-visual img{width:100%!important;height:100%!important;object-fit:cover!important;object-position:center center!important;transform:none!important;transition:none!important}
.qs-contact-visual:hover img{transform:none!important}
@media (min-width:901px){
  .qs-contact-inner{grid-template-columns:minmax(0,1fr) 434px minmax(0,1fr)!important}
  .qs-contact-visual{width:434px!important;max-width:434px!important;height:auto!important;min-height:0!important;max-height:none!important;aspect-ratio:1078/1293!important;align-self:center!important}
}
@media (min-width:1251px) and (max-width:1500px){
  .qs-contact-inner{grid-template-columns:minmax(0,1fr) 400px minmax(0,1fr)!important;gap:24px!important}
  .qs-contact-visual{width:400px!important;max-width:400px!important}
}
@media (min-width:1101px) and (max-width:1250px){
  .qs-contact-inner{grid-template-columns:minmax(0,1fr) 370px minmax(0,1fr)!important;gap:24px!important}
  .qs-contact-visual{width:370px!important;max-width:370px!important}
}
@media (min-width:1001px) and (max-width:1100px){
  .qs-contact-inner{grid-template-columns:minmax(0,1fr) 340px minmax(0,1fr)!important;gap:20px!important}
  .qs-contact-visual{width:340px!important;max-width:340px!important}
}
@media (min-width:901px) and (max-width:1000px){
  .qs-contact-inner{grid-template-columns:minmax(0,1fr) 310px minmax(0,1fr)!important;gap:18px!important}
  .qs-contact-visual{width:310px!important;max-width:310px!important}
}

/* Navigation dropdown v1: a quiet, full-width product panel matching the supplied reference. */
.qs-nav-mega{
  top:64px!important;
  left:0!important;
  right:0!important;
  width:100vw!important;
  max-width:none!important;
  padding:26px 0 19px!important;
  border:0!important;
  border-bottom:1px solid #e7eff7!important;
  border-radius:0!important;
  background:#fff!important;
  box-shadow:0 14px 30px rgba(24,79,126,.08)!important;
}
.qs-nav-mega-inner{
  width:min(1380px,calc(100% - 96px))!important;
  margin:0 auto!important;
  display:grid!important;
  grid-template-columns:clamp(240px,18vw,276px) minmax(0,1fr)!important;
  gap:clamp(20px,2.1vw,32px)!important;
  align-items:stretch!important;
}
.qs-nav-mega-heading{
  display:flex!important;
  flex-direction:column!important;
  justify-content:center!important;
  align-items:flex-start!important;
  padding:0!important;
}
.qs-nav-mega-heading>span{
  color:#1b4c85!important;
  font:600 12px/1.2 Arial,sans-serif!important;
  letter-spacing:2.8px!important;
}
.qs-nav-mega-heading>b{
  margin-top:10px!important;
  color:#092f63!important;
  font-size:clamp(28px,2.1vw,34px)!important;
  line-height:1.2!important;
  letter-spacing:1px!important;
}
.qs-nav-mega-heading>small{
  margin-top:10px!important;
  color:#476581!important;
  font-size:16px!important;
  line-height:1.45!important;
  white-space:nowrap!important;
}
.qs-nav-mega-cards{
  display:grid!important;
  grid-template-columns:repeat(3,minmax(0,1fr))!important;
  gap:0!important;
  min-width:0!important;
}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a{
  position:relative!important;
  display:flex!important;
  flex-direction:column!important;
  align-items:flex-start!important;
  justify-content:flex-start!important;
  min-width:0!important;
  height:auto!important;
  min-height:144px!important;
  padding:0 28px 0!important;
  overflow:visible!important;
  border:0!important;
  border-left:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  color:#123866!important;
  line-height:1.35!important;
  text-align:left!important;
  --qs-nav-text-inset:clamp(48px,4vw,62px);
  transform:none!important;
}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:first-child{border-left:0!important}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:not(:first-child):before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:0;
  width:1px;
  background:#dfeaf4;
}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:hover,
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:focus-visible{
  border-color:#dfeaf4!important;
  background:transparent!important;
  box-shadow:none!important;
  transform:none!important;
}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:focus-visible{outline:2px solid #8db5dc!important;outline-offset:3px!important}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a img{
  display:block!important;
  align-self:center!important;
  width:min(240px,100%)!important;
  height:108px!important;
  flex:none!important;
  object-fit:contain!important;
  object-position:center center!important;
  margin:0 auto 10px!important;
  opacity:1!important;
  transform:none!important;
  position:relative!important;
  top:0!important;
}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a b{
  display:block!important;
  width:calc(100% - var(--qs-nav-text-inset))!important;
  height:auto!important;
  margin:0 0 0 var(--qs-nav-text-inset)!important;
  color:#11396b!important;
  font-size:18px!important;
  font-weight:700!important;
  line-height:1.3!important;
  white-space:nowrap!important;
  text-align:left!important;
  position:relative!important;
  top:0!important;
}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a small{
  display:block!important;
  width:calc(100% - var(--qs-nav-text-inset))!important;
  height:auto!important;
  margin:6px 0 0 var(--qs-nav-text-inset)!important;
  padding-right:24px!important;
  color:#4d6680!important;
  font-size:14px!important;
  line-height:1.35!important;
  white-space:nowrap!important;
  text-align:left!important;
  position:relative!important;
  top:0!important;
}
.qs-nav-mega-arrow{
  position:absolute!important;
  right:clamp(56px,5.2vw,80px)!important;
  bottom:0!important;
  display:block!important;
  color:#164b8b!important;
  font:normal 400 24px/1 Arial,sans-serif!important;
  opacity:1!important;
  transform:none!important;
  transition:transform .2s ease!important;
}
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:hover .qs-nav-mega-arrow,
.qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:focus-visible .qs-nav-mega-arrow{transform:translateX(4px)!important}
.qs-nav-mega-side{display:none!important}

@media(max-width:900px){
  .qs-nav-mega{top:64px!important;padding:22px 0 24px!important}
  .qs-nav-mega-inner{width:calc(100% - 32px)!important;grid-template-columns:220px minmax(0,1fr)!important;gap:18px!important}
  .qs-nav-mega-heading>span{font-size:10px!important;letter-spacing:2px!important}
  .qs-nav-mega-heading>b{font-size:25px!important}
  .qs-nav-mega-heading>small{font-size:13px!important;white-space:normal!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a{padding:0 16px!important;min-height:128px!important;--qs-nav-text-inset:0px!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a img{height:76px!important;margin-bottom:8px!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a b{font-size:15px!important;margin-left:0!important;width:100%!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a small{font-size:12px!important;margin:4px 0 0!important;width:100%!important}
  .qs-nav-mega-arrow{right:14px!important;font-size:20px!important}
}
@media(max-width:640px){
  .qs-nav-mega{top:64px!important;padding:20px 0 22px!important}
  .qs-nav-mega-inner{width:calc(100% - 28px)!important;grid-template-columns:1fr!important;gap:18px!important}
  .qs-nav-mega-heading{padding:0 2px!important}
  .qs-nav-mega-heading>small{font-size:12px!important}
  .qs-nav-mega-cards{grid-template-columns:1fr!important;gap:14px!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a,
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:first-child{min-height:84px!important;padding:0 8px 12px!important;border-left:0!important;border-bottom:1px solid #dfeaf4!important;--qs-nav-text-inset:0px!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a:last-child{border-bottom:0!important;padding-bottom:0!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a img{align-self:flex-start!important;width:150px!important;height:58px!important;margin:0 0 4px!important;top:0!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a b{font-size:15px!important;top:0!important}
  .qs-main-nav>.qs-nav-item .qs-nav-mega-cards>a small{font-size:12px!important;top:0!important}
  .qs-nav-mega-arrow{right:8px!important;bottom:17px!important}
}
@media(max-width:900px){
  .qs-contact-visual{width:min(100%,434px)!important;max-width:100%!important;height:auto!important;min-height:0!important;aspect-ratio:1078/1293!important}
}
/* Slimmer right-panel footer so the QR row fits the narrower panel column. */
.qs-contact-panel-bottom{padding-right:180px!important}
.qs-contact-panel-bottom:after{width:160px!important;font-size:11px!important;letter-spacing:1px!important}
.qs-contact-panel-bottom:before{right:172px!important}
/* The decorative caption needs a ~500px panel; below that, drop it so the QR row never collides. */
@media (max-width:1574px){
  .qs-contact-panel-bottom{padding-right:0!important}
  .qs-contact-panel-bottom:after,.qs-contact-panel-bottom:before{display:none!important}
}
@media (min-width:901px) and (max-width:1100px){
  .qs-contact-panel-bottom{gap:18px!important}
  .qs-contact-qr-item{min-width:92px!important}
  .qs-contact-qr-item img{width:92px!important;height:92px!important}
}
@media (min-width:901px) and (max-width:1000px){
  .qs-contact-panel-bottom{gap:12px!important;flex-wrap:wrap!important}
  .qs-contact-qr-item{min-width:0!important}
  .qs-contact-qr-item img{width:84px!important;height:84px!important}
  .qs-contact-qr-item figcaption{white-space:normal!important;font-size:10px!important}
}
@media(max-width:900px){.qs-contact-panel-bottom{padding-right:0!important}}

/* Contact v106: dedicated background art for the two contact cards
   (content-tel.png = light swoosh on the blue hotline card, content-map.png = faint map on the white address card). */
.qs-contact-line-primary{background:url('/style/images/content-tel.png?v=1') right bottom/100% 100% no-repeat,linear-gradient(135deg,#1674d0 0%,#1263bb 55%,#08458e 100%)!important}
.qs-contact-line-primary:after{display:none!important}
.qs-contact-copy .qs-contact-line:last-child{background:url('/style/images/content-map.png?v=1') right center/100% 100% no-repeat,#fff!important}
.qs-contact-copy .qs-contact-line:last-child:after{display:none!important}


/* 2026 icon refresh */
.qs-advantage-layout .qs-advantage-item .qs-advantage-icon img{width:76%;height:76%;object-fit:contain;display:block;transition:transform .3s ease,filter .3s ease}
/* Keep the original blue artwork visible on hover; the colored badge supplies the state change. */
.qs-advantage-layout .qs-advantage-item:hover .qs-advantage-icon img{transform:scale(1.08);filter:none}
.qs-advantage-layout .qs-advantage-item .qs-advantage-arrow{width:42px;height:42px;border:0;background:linear-gradient(145deg,#fff,#edf6ff);box-shadow:0 5px 12px rgba(18,111,206,.15);color:#1676d2}
.qs-advantage-layout .qs-advantage-item .qs-advantage-arrow svg{width:20px;height:20px;stroke-width:2.2}
.qs-advantage-layout .qs-advantage-item:hover .qs-advantage-arrow{background:linear-gradient(145deg,#3d95ff,#126fce);box-shadow:0 8px 16px rgba(18,111,206,.3);color:#fff;transform:translateX(4px)}
.qs-advantage-more b{width:34px;height:34px;box-shadow:0 2px 6px rgba(11,44,84,.18)}

/* Final icon polish: a slightly larger, layered badge with a soft halo. */
.qs-advantage-layout .qs-advantage-item .qs-advantage-icon{width:78px;height:78px;border-width:1.5px!important;background:linear-gradient(145deg,#ffffff 0%,#edf6ff 100%)!important;box-shadow:0 0 0 6px rgba(231,243,255,.9),0 10px 22px rgba(18,111,206,.16)!important}
.qs-advantage-layout .qs-advantage-item:hover .qs-advantage-icon{background:linear-gradient(145deg,#f5fbff 0%,#dceeff 100%)!important;color:var(--accent,#2e86de)!important;transform:translateY(-3px) scale(1.04)}
.qs-advantage-layout .qs-advantage-item:hover .qs-advantage-icon img{transform:scale(1.1)}
@media(max-width:640px){.qs-advantage-layout .qs-advantage-item .qs-advantage-icon{width:66px;height:66px}}

/* Icon-only treatment for the advantages cards: remove the circular badge and
   let the original artwork sit directly in the layout at a larger size. */
.qs-advantage-layout .qs-advantage-item .qs-advantage-icon{
  width:92px!important;
  height:92px!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  background-image:none!important;
  outline:0!important;
  box-shadow:none!important;
}
.qs-advantage-layout .qs-advantage-item .qs-advantage-icon img{
  width:100%!important;
  height:100%!important;
}
.qs-advantage-layout .qs-advantage-item:hover .qs-advantage-icon{
  background:transparent!important;
  background-image:none!important;
  box-shadow:none!important;
  transform:translateY(-3px) scale(1.04);
}
@media(max-width:640px){
  .qs-advantage-layout .qs-advantage-item .qs-advantage-icon{width:78px!important;height:78px!important}
}