:root{--orange:#e4610f;--orange-dark:#b8480a;--gold:#ffc627;--ink:#1b1d2a;--muted:#596071;--line:#ebe7e2;--navy:#16182e;--soft:#fdf8f3;--max:1160px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font:16px/1.75 "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:var(--max);margin:auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:8px;z-index:100}
.skip:focus{left:8px}
a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.topbar{background:linear-gradient(90deg,var(--orange),#f58220 55%,var(--gold));color:#fff;font-size:13px}
.topbar .wrap{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar strong{font-size:12px}
.topbar a{font-weight:700}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.site-header .wrap{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-logo{width:192px;height:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:15px;color:#4a4e63;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--orange-dark)}
.nav a.active{font-weight:700}
.nav-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px;cursor:pointer;padding:4px 8px}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:10px 21px;border-radius:8px;font-weight:700;font-size:14px;line-height:1.4;transition:background .2s ease,color .2s ease}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark)}
.btn-light{border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn-light:hover{border-color:var(--orange);color:var(--orange-dark)}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:#737987;font-size:13px;margin-bottom:25px}
.breadcrumbs a:hover{color:var(--orange-dark)}
.eyebrow{font-size:12px;font-weight:700;color:var(--orange-dark);margin-bottom:10px}
.page-head{padding:54px 0 42px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff8f0,#fff)}
.page-head h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:900;max-width:850px}
.page-head .intro{color:var(--muted);font-size:17px;max-width:760px;margin-top:16px}
.page-head .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.archive{padding-top:48px;padding-bottom:76px}
.archive-title{font-size:22px;margin-bottom:22px}
.solution-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.solution-card{display:flex;flex-direction:column;min-height:245px;padding:25px 23px;border:1px solid var(--line);border-radius:8px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.solution-card:hover,.insight-card:hover{transform:translateY(-3px);border-color:#ffd3a6;box-shadow:0 10px 30px rgba(27,29,42,.08)}
.solution-card .number{font-size:12px;font-weight:700;color:var(--orange-dark);margin-bottom:24px}
.solution-card h2{font-size:20px;line-height:1.4;margin-bottom:10px}
.solution-card p{font-size:14px;color:var(--muted);line-height:1.7}
.solution-card .more{margin-top:auto;padding-top:20px;color:var(--orange-dark);font-size:14px;font-weight:700}
.insight-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.insight-card{display:block;overflow:hidden;border:1px solid var(--line);border-radius:8px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.insight-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.insight-card .body{padding:18px 20px 23px}
.chip{display:inline-block;background:#fff3e7;color:var(--orange-dark);border-radius:4px;padding:3px 8px;font-size:11px;font-weight:700}
.insight-card h2{font-size:18px;line-height:1.5;margin:12px 0}
.insight-card .meta,.article-meta{font-size:13px;color:#737987}
.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:72px;padding-top:50px;padding-bottom:78px}
.detail-main{min-width:0}
.detail-main section+section{margin-top:38px}
.detail-main h2{font-size:23px;line-height:1.4;margin-bottom:13px}
.detail-main p{color:#454b59;margin-bottom:15px}
.detail-main ol{counter-reset:steps;display:grid;gap:15px}
.detail-main ol li{position:relative;padding-left:38px;color:#454b59}
.detail-main ol li::before{counter-increment:steps;content:counter(steps,decimal-leading-zero);position:absolute;left:0;top:1px;color:var(--orange-dark);font-size:13px;font-weight:700}
.detail-main ul{list-style:disc;padding-left:23px;color:#454b59}
.detail-main li+li{margin-top:8px}
.detail-photo{width:100%;aspect-ratio:16/9;object-fit:cover;margin:0 0 34px}
.detail-aside{border-left:1px solid var(--line);padding-left:24px;align-self:start}
.detail-aside h2{font-size:14px;margin-bottom:16px}
.detail-aside ul{display:grid;gap:12px;font-size:14px;color:var(--muted)}
.detail-aside a:hover{color:var(--orange-dark)}
.detail-aside .btn{margin-top:25px}
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding-top:54px;padding-bottom:80px}
.contact-layout h2{font-size:24px;margin-bottom:13px}
.contact-layout p{color:var(--muted)}
.contact-method{padding:22px 0;border-top:1px solid var(--line)}
.contact-method:first-of-type{margin-top:25px}
.contact-method h3{font-size:14px;color:var(--orange-dark);margin-bottom:7px}
.contact-method a{font-size:21px;font-weight:700}
.contact-method a:hover{color:var(--orange-dark)}
.contact-method address{font-style:normal;font-size:17px}
.contact-topics{border-top:1px solid var(--line);padding-top:22px;margin-top:25px}
.contact-topics ul{list-style:disc;padding-left:22px;color:var(--muted)}
.contact-layout .actions{margin-top:24px}
.site-footer{background:var(--navy);color:#fff}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.3fr;gap:36px;padding-top:54px;padding-bottom:40px}
.foot-brand{width:220px}
.foot-about p{max-width:280px;margin-top:14px;font-size:13px;color:rgba(255,255,255,.65)}
.foot-grid h2{font-size:12px;color:rgba(255,255,255,.55);margin-bottom:14px}
.foot-grid li+li{margin-top:8px}
.foot-grid li,.foot-grid li a{font-size:13px;color:rgba(255,255,255,.78)}
.foot-grid a:hover{color:#fba544}
.foot-bottom{border-top:1px solid rgba(255,255,255,.13);padding:18px 0 24px;color:rgba(255,255,255,.54);font-size:12px;text-align:center;line-height:1.8}
@media(max-width:1080px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr;row-gap:30px}}
@media(max-width:900px){.nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;padding:8px 24px 18px;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line)}.nav.open{display:flex}.nav a{padding:10px 0;border-bottom:1px solid var(--line)}.nav-toggle{display:block}.site-header .wrap{position:relative}.site-header .btn-primary{margin-left:auto}.solution-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-layout{gap:35px}.insight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.topbar .wrap{min-height:40px}.topbar strong{display:none}.site-header .wrap{height:68px;gap:10px}.site-header .btn-primary{display:none}.brand-logo{width:160px}.nav{top:68px}.page-head{padding:34px 0}.page-head .intro{font-size:15px}.archive{padding-top:32px;padding-bottom:55px}.solution-grid,.insight-grid,.contact-layout{grid-template-columns:1fr}.solution-card{min-height:205px}.detail-layout{grid-template-columns:1fr;gap:35px;padding-top:32px;padding-bottom:55px}.detail-aside{border-left:0;border-top:1px solid var(--line);padding:25px 0 0}.contact-layout{gap:26px;padding-top:34px;padding-bottom:55px}.foot-grid{grid-template-columns:1fr 1fr;gap:28px}.foot-about{grid-column:1/-1}.foot-brand{width:200px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}