@media(max-width:1180px){
.main-nav{gap:0}.nav-link{padding-inline:9px;font-size:13px}.header-phone{display:none}
.hero-inner{grid-template-columns:1fr .9fr;gap:40px}.problem-grid{grid-template-columns:repeat(3,1fr)}
.problem-card:nth-child(4),.problem-card:nth-child(5){min-height:190px}.brand-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:980px){
:root{--header-height:68px}.shell{width:min(calc(100% - 36px),var(--container))}
.mobile-toggle{display:block}.header-cta{display:none}.header-wechat{min-height:38px;padding:0 12px}
.main-nav{position:fixed;top:var(--header-height);right:0;bottom:auto;left:0;display:none;align-self:auto;height:calc(100vh - var(--header-height));height:calc(100dvh - var(--header-height));padding:18px;overflow-y:auto;overscroll-behavior:contain;background:var(--white);border-top:1px solid var(--line)}
.main-nav.is-open{display:block}.nav-item{display:block;border-bottom:1px solid var(--line)}
.nav-link{justify-content:space-between;width:100%;height:auto;min-height:52px;padding:14px 4px;font-size:15px}.nav-link::after{display:none}
.mega-menu{position:static;display:none;width:auto;padding:4px 0 16px;border:0;box-shadow:none;opacity:1;visibility:visible;transform:none}
.nav-item.is-open>.mega-menu{display:block}.mega-grid{grid-template-columns:1fr}
.hero-inner{grid-template-columns:1fr;min-height:0;padding-block:64px 72px}.hero-copy{max-width:820px}.hero-visual{max-width:680px}.hero h1{font-size:clamp(42px,8vw,68px)}
.problem-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:1fr 1fr}.product-card:last-child{grid-column:1/-1}
.process-rail{grid-template-columns:repeat(3,1fr);row-gap:32px}.process-rail::before{display:none}
.stats-band{grid-template-columns:repeat(2,1fr)}.case-grid{grid-template-columns:1fr}.case-side{grid-template-columns:1fr 1fr}
.service-list{grid-template-columns:repeat(3,1fr)}.resource-grid{grid-template-columns:1fr 1fr}
.cta-inner,.inner-hero__inner{grid-template-columns:1fr}.inner-hero__inner{min-height:0;padding-block:52px 66px}
.footer-main{grid-template-columns:1.2fr 1fr 1fr}.footer-brand{grid-column:1/-1}
.feature-tabs{grid-template-columns:1fr}.tab-list{grid-template-columns:repeat(3,1fr)}.brand-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:720px){
body{padding-bottom:62px}.shell{width:min(calc(100% - 28px),var(--container))}
.section-head{display:block}.section-head .btn{margin-top:22px}.section-head h2{font-size:34px}.brand img{height:36px}
.header-wechat{padding:0 10px}.header-wechat span{display:none}
.hero-inner{padding-block:48px 56px}.hero h1{font-size:clamp(37px,10.4vw,52px)}.hero-lead{font-size:15px}.hero-actions .btn{flex:1}
.hero-proof{grid-template-columns:1fr}.hero-proof__item,.hero-proof__item+.hero-proof__item{padding:14px 0;border-left:0;border-bottom:1px solid var(--line-dark)}.hero-proof__item:last-child{border-bottom:0}
.control-kpis{grid-template-columns:1fr 1fr}.control-kpis .control-kpi:last-child{grid-column:1/-1}.control-detail{grid-template-columns:1fr}
.trust-inner{display:block;padding-block:20px}.trust-label{display:block;margin-bottom:16px}.trust-items{flex-wrap:wrap;justify-content:flex-start;gap:12px 24px}
.problem-grid,.product-grid,.case-side,.service-list,.resource-grid,.download-grid{grid-template-columns:1fr}.product-card:last-child{grid-column:auto}
.problem-card{min-height:0}.problem-card__num{margin-bottom:30px}
.process-rail{grid-template-columns:1fr 1fr}.process-node{width:50px;height:50px;margin-bottom:14px}
.stats-band{grid-template-columns:1fr 1fr}.stat-item{min-height:140px;padding:20px}
.case-card{min-height:390px;padding:26px}.case-metrics{gap:16px}
.cta-inner{padding-block:50px}.contact-form{grid-template-columns:1fr}.contact-form .form-field--full,.contact-form .btn,.form-privacy,.form-success{grid-column:auto}
.footer-main{grid-template-columns:1fr 1fr;gap:30px;padding-block:46px 38px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom>span{display:block;margin-top:8px}
.inner-hero h1{font-size:40px}.inner-metrics{grid-template-columns:1fr}.inner-metrics .inner-metric{display:flex;align-items:baseline;justify-content:space-between}.inner-metric strong{font-size:24px}
.blueprint-row{grid-template-columns:1.2fr .65fr .8fr}.blueprint-row>:nth-child(3){display:none}
.compare-grid{grid-template-columns:1fr}.tab-list{grid-template-columns:1fr 1fr}.feature-points{grid-template-columns:1fr}.brand-grid{grid-template-columns:1fr 1fr}
.related-ribbon{display:block}.related-ribbon .btn{margin-top:18px}
.mobile-cta{position:fixed;right:0;bottom:0;left:0;z-index:90;display:grid;grid-template-columns:1fr 1fr;background:var(--white);border-top:1px solid var(--line);box-shadow:0 -10px 30px rgba(7,28,49,.1)}
.mobile-cta a{display:flex;align-items:center;justify-content:center;min-height:58px;color:var(--navy);font-size:14px;font-weight:650}.mobile-cta a:last-child{color:var(--white);background:var(--orange)}
}
@media(max-width:420px){
.hero-actions{display:grid;grid-template-columns:1fr}.cta-copy h2{font-size:30px}.line-steps{grid-template-columns:repeat(5,minmax(46px,1fr))}.line-step__dot{width:30px;height:30px}.line-step small{font-size:9px}
.process-rail{grid-template-columns:1fr}.stats-band{grid-template-columns:1fr}.tab-list{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}
}

@media(max-width:980px){
.problem-grid--three{grid-template-columns:repeat(2,1fr)}
.process-rail--five{grid-template-columns:repeat(3,1fr)}
.faq-layout{grid-template-columns:1fr;gap:32px}
}
@media(max-width:720px){
.problem-grid--three{grid-template-columns:1fr}
.process-rail--five{grid-template-columns:1fr 1fr}
.process-rail--five .process-step:last-child{grid-column:1/-1}
.blueprint-row{font-size:10px}
.line-step small{font-size:10px}
}
@media(max-width:420px){
.process-rail--five{grid-template-columns:1fr}
.process-rail--five .process-step:last-child{grid-column:auto}
}