/* 忠实保留桌面设计稿的页面样式与响应式断点。 */

    :root{--ink:#11171d;--muted:#647381;--red:#e5262b;--blue:#1d6ddb;--line:#dde5eb;--soft:#f3f7f9;--shadow:0 20px 48px rgba(13,30,43,.12)}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#fff}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.topbar{height:36px;background:#151a1f;color:#dce3e9;padding:0 clamp(20px,5vw,80px);display:flex;justify-content:space-between;align-items:center;font-size:12px}.topbar span{margin-right:23px}.topbar a{font-weight:700;color:#fff}header{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,80px);border-bottom:1px solid #e8edf0;background:#fff;position:sticky;top:0;z-index:20}.brand img{width:146px;display:block}nav{display:flex;gap:38px;align-items:center;font-size:15px;font-weight:650}nav>a{padding:28px 0 25px;position:relative}nav>a:hover,nav>a.active{color:var(--red)}nav>a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:4px;background:var(--red)}.nav-contact{border:1px solid #d6dde3;border-radius:3px;padding:9px 15px}.mobile-toggle{display:none;border:0;background:none;font-size:24px}.hero{min-height:330px;display:flex;align-items:center;position:relative;overflow:hidden;color:#fff;background:#091017 var(--page-background0) center/cover no-repeat}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,10,16,.93),rgba(4,10,16,.64) 45%,rgba(4,10,16,.18))}.hero-inner{position:relative;z-index:1;max-width:1320px;width:100%;margin:auto;padding:50px clamp(24px,6vw,84px)}.breadcrumb{font-size:12px;color:#c3cdd4;margin-bottom:19px}.breadcrumb b{color:#ff6c70;margin:0 7px}h1{font-size:clamp(40px,4.8vw,63px);letter-spacing:-.045em;margin:0}.hero p{max-width:570px;color:#e4ebf0;line-height:1.75;margin:16px 0 0;font-size:15px}.section{padding:78px clamp(20px,6vw,84px)}.wrap{max-width:1320px;margin:auto}.contact-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:52px;align-items:start}.kicker{font-size:12px;font-weight:800;color:var(--red);letter-spacing:.15em}.section h2{font-size:clamp(30px,3.2vw,44px);letter-spacing:-.04em;margin:10px 0 18px}.lead{color:var(--muted);font-size:14px;line-height:1.85;margin:0 0 25px}.info-card{border:1px solid var(--line);padding:21px;margin-top:12px;display:flex;gap:14px;align-items:flex-start}.icon{flex:0 0 34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#f5e9ea;color:var(--red);font-weight:800}.info-card strong{display:block;font-size:14px;margin-bottom:5px}.info-card span,.info-card a{display:block;color:var(--muted);font-size:13px;line-height:1.6}.info-card a{color:var(--blue);font-weight:700}.info-note{margin:22px 0 0;padding:14px 16px;background:#f4f7f9;border-left:3px solid var(--red);color:#667480;font-size:12px;line-height:1.7}.form-card{background:#fff;border:1px solid #e1e8ed;padding:30px;box-shadow:var(--shadow)}.form-card h3{font-size:22px;margin:0 0 5px}.form-card>p{color:var(--muted);font-size:13px;margin:0 0 23px;line-height:1.65}.grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:800}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:5px;padding:0 12px;outline:0;background:#fff}.field input,.field select{height:44px}.field textarea{height:92px;padding-top:10px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,109,219,.12)}.options{display:flex;flex-wrap:wrap;gap:8px}.option{position:relative}.option input{position:absolute;opacity:0}.option span{display:block;border:1px solid var(--line);border-radius:99px;padding:7px 11px;color:#586774;font-size:12px;cursor:pointer}.option input:checked+span{border-color:var(--red);background:#fff0f0;color:#c31c21;font-weight:700}.submit{border:0;background:var(--red);color:#fff;font-weight:800;padding:14px 20px;margin-top:22px;width:100%;cursor:pointer}.submit:hover{background:#be1d23}.form-status{min-height:20px;color:#347d4d;font-size:12px;line-height:1.6;margin:11px 0 0}.support{background:#121a21;color:#fff;padding:66px clamp(20px,6vw,84px)}.support-inner{max-width:1320px;margin:auto;display:grid;grid-template-columns:1.1fr repeat(3,1fr);gap:2px}.support-title{padding:20px 25px 20px 0}.support-title h2{font-size:33px;margin:10px 0}.support-title p{color:#b8c4cd;font-size:14px;line-height:1.75;margin:0;max-width:300px}.support-card{padding:25px;background:rgba(255,255,255,.055);min-height:180px}.support-card b{display:block;color:#f55c60;font-size:12px}.support-card h3{font-size:19px;margin:31px 0 9px}.support-card p{color:#bec8d0;font-size:13px;line-height:1.7;margin:0}footer{background:#0d1216;color:#b8c2ca;padding:28px clamp(20px,6vw,84px);font-size:12px;border-top:1px solid #2d363d}footer div{max-width:1320px;margin:auto}@media(max-width:980px){.contact-layout{grid-template-columns:1fr}.support-inner{grid-template-columns:1fr 1fr}.support-title{grid-column:1/-1}}@media(max-width:680px){.topbar span:nth-child(2),.topbar a{display:none}header{height:64px}.brand img{width:118px}nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;box-shadow:0 14px 25px rgba(0,0,0,.12);padding:8px 23px}.nav-open nav{display:grid;gap:0}nav>a{padding:12px 0}.mobile-toggle{display:block}.hero{min-height:300px}.section{padding:58px 20px}.form-card{padding:23px 18px}.grid,.support-inner{grid-template-columns:1fr}.support-title{padding:5px 0 18px}}

/* Shared product-and-solutions navigation */
nav > .has-mega{position:relative;display:flex;align-items:center}nav > .has-mega > .nav-trigger{padding:28px 0 25px;position:relative;color:inherit;font-weight:650;font-size:15px;border:0;background:transparent;cursor:pointer;white-space:nowrap}nav > .has-mega > .nav-trigger:hover,.has-mega:hover .nav-trigger,.has-mega.is-open .nav-trigger,.has-mega .nav-trigger.active{color:var(--red,#e5262b)}.has-mega .nav-trigger.active:after,.has-mega.is-open .nav-trigger:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:8px;background:var(--red,#e5262b)}.mega-toggle{border:0;background:transparent;color:inherit;cursor:pointer;padding:28px 0 25px 6px;font-size:13px;transition:transform .2s}.has-mega.is-open .mega-toggle{color:var(--red,#e5262b);transform:rotate(180deg)}.mega-menu{width:min(900px,calc(100vw - 38px));position:absolute;z-index:50;top:100%;left:50%;padding:0;border:1px solid #e1e7ec;background:#fff;box-shadow:0 22px 48px rgba(6,21,34,.2);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-40%,12px);transition:opacity .18s,transform .18s,visibility .18s}.has-mega:hover .mega-menu,.has-mega:focus-within .mega-menu,.has-mega.is-open .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-40%,0)}.mega-top{display:grid;grid-template-columns:205px 1fr}.mega-intro{padding:28px 24px;background:#151b20;color:#fff}.mega-intro small{color:#ff6d71;display:block;letter-spacing:.13em;font-size:10px;font-weight:800}.mega-intro strong{display:block;font-size:22px;margin:12px 0 9px}.mega-intro p{font-size:12px;line-height:1.7;color:#b9c3ca;margin:0}.mega-groups{display:grid;grid-template-columns:repeat(3,1fr);padding:22px 14px 15px;gap:0}.mega-group{display:block;min-height:124px;padding:7px 13px 14px;border-left:1px solid #edf0f3;transition:background .16s}.mega-group:first-child{border-left:0}.mega-group:hover{background:#fafbfc;color:inherit}.mega-title{display:block;color:var(--red,#e5262b);font-size:17px;font-weight:800;margin-bottom:7px}.mega-sub{display:block;color:#26323c;font-size:12px;line-height:1.55;font-weight:700}.mega-links{display:block;margin-top:9px;color:#798591;font-size:11px;line-height:1.7}.mega-bottom{border-top:1px solid #e9edf0;padding:13px 24px;display:flex;gap:26px;align-items:center;background:#f8fafb}.mega-bottom a{padding:0!important;font-size:12px!important;color:#536270!important}.mega-bottom a:hover{color:var(--red,#e5262b)!important}.mega-bottom strong{color:#202a33;margin-right:auto;font-size:12px}@media(max-width:680px){.has-mega{display:flex!important;flex-wrap:wrap}.has-mega .nav-trigger{width:calc(100% - 36px);padding:12px 0!important;text-align:left}.mega-toggle{width:36px;padding:12px 3px}.mega-menu{position:static;width:100%;display:none;transform:none;margin:0 0 7px;box-shadow:none;border:1px solid #e5e9ed;flex-basis:100%}.has-mega:hover .mega-menu,.has-mega:focus-within .mega-menu,.has-mega.is-open .mega-menu{display:block;transform:none}.mega-top{grid-template-columns:1fr}.mega-intro{padding:15px 17px}.mega-intro strong{font-size:18px;margin:6px 0}.mega-intro p{display:none}.mega-groups{grid-template-columns:repeat(2,1fr);padding:10px 5px}.mega-group{min-height:96px;padding:9px 11px}.mega-title{font-size:15px}.mega-bottom{padding:11px 15px;gap:12px;flex-wrap:wrap}.mega-bottom strong{width:100%}}