/* ===== 基础与设计变量 ===== */
:root{
  --navy-950:#071826;
  --navy-900:#0A2233;
  --navy-850:#0D2B40;
  --navy-800:#12344C;
  --signal:#12C2D6;
  --signal-soft:#7FDCE6;
  --amber:#F5A93C;
  --ink:#132A3A;
  --muted:#5C7486;
  --bg:#F3F7FA;
  --surface:#FFFFFF;
  --line:#D9E4EC;
  --ok:#2E9E6B;
  --radius:16px;
  --shadow-soft:0 16px 40px rgba(10,34,51,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:clamp(72px,8vw,112px) 0}
.section.alt{background:var(--bg)}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{font-size:clamp(26px,3.4vw,40px);color:var(--navy-950);font-weight:900;line-height:1.25}
.section-head .lead{color:var(--muted);max-width:760px;margin-top:12px;font-size:15.5px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--signal)}
.eyebrow::before{content:'';width:22px;height:2px;background:var(--signal);border-radius:2px}
.eyebrow.on-dark{color:var(--signal-soft)}
.eyebrow.on-dark::before{background:var(--signal-soft)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;border-radius:12px;padding:14px 26px;font-size:16px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--signal);color:#04303A}
.btn-primary:hover{background:#35D3E4;transform:translateY(-2px);box-shadow:0 10px 24px rgba(18,194,214,.35)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:#3A2505}
.btn-amber:hover{background:#FFC45C;transform:translateY(-2px)}
.btn-block{width:100%}

/* ===== 顶部导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(7,24,38,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo-mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--signal),#0B7E93);display:grid;place-items:center;flex:none}
.logo-mark svg{width:24px;height:24px}
.logo-txt{font-size:21px;font-weight:900;line-height:1.1}
.logo-txt small{display:block;font-size:10px;font-weight:500;color:#9FB8C8;letter-spacing:.22em}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{padding:9px 14px;color:#C7D8E2;font-size:15px;border-radius:8px;transition:background .2s,color .2s}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.phone-btn{display:inline-flex;align-items:center;gap:8px;background:var(--amber);color:#3A2505;font-weight:800;padding:10px 18px;border-radius:999px;font-size:15px;white-space:nowrap;transition:background .2s}
.phone-btn:hover{background:#FFC45C}
.phone-btn svg{width:17px;height:17px}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.28);border-radius:10px;width:42px;height:42px;color:#fff;cursor:pointer;place-items:center}
.menu-btn svg{width:22px;height:22px}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;background:var(--navy-950);overflow:hidden;padding:172px 0 96px}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,24,38,.96) 0%,rgba(7,24,38,.82) 42%,rgba(7,24,38,.38) 78%,rgba(7,24,38,.65) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(18,194,214,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(18,194,214,.055) 1px,transparent 1px);background-size:46px 46px}
.hero-inner{position:relative;max-width:680px}
.hero h1{font-size:clamp(32px,4.8vw,54px);font-weight:900;line-height:1.22;margin:18px 0 20px;letter-spacing:.01em}
.hero .lead{font-size:16.5px;color:#BCD3E0;line-height:1.85;max-width:600px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:36px 0 26px}
.hero-phone{display:inline-flex;align-items:center;gap:10px;color:#E8F2F7;font-size:15px;padding:10px 0;margin:-10px 0}
.hero-phone svg{width:20px;height:20px;color:var(--signal-soft)}
.hero-phone b{font-size:21px;font-weight:900;color:var(--amber);letter-spacing:.03em}
.hero-strip{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);overflow:hidden;margin-top:60px}
.hero-strip .item{background:rgba(7,24,38,.78);padding:20px 22px}
.hero-strip .k{font-size:clamp(18px,2vw,23px);font-weight:900;color:var(--signal-soft);line-height:1.3}
.hero-strip .v{font-size:13px;color:#AFC7D4;margin-top:6px;line-height:1.5}

/* ===== 服务板块 ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:46px}
.service-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;transition:transform .25s,border-color .25s,box-shadow .25s}
.service-card:hover{transform:translateY(-5px);border-color:var(--signal);box-shadow:var(--shadow-soft)}
.svc-icon{width:54px;height:54px;border-radius:14px;background:rgba(18,194,214,.12);color:var(--signal);display:grid;place-items:center;margin-bottom:18px}
.svc-icon svg{width:28px;height:28px}
.service-card h3{font-size:19px;color:var(--navy-950);font-weight:900;margin-bottom:8px}
.service-card>p{font-size:14.5px;color:var(--muted);line-height:1.75;flex:1}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 20px}
.tag{font-size:12.5px;color:var(--muted);background:var(--bg);border:1px solid var(--line);padding:4px 11px;border-radius:999px}
.svc-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--signal);cursor:pointer;border:none;background:none;padding:10px 6px;margin:-10px -6px;min-height:44px;transition:gap .2s,color .2s}
.svc-link svg{width:17px;height:17px}
.svc-link:hover{gap:10px;color:#0B7E93}

/* ===== 服务模式 ===== */
#model{background:var(--navy-950);color:#fff;position:relative}
#model .section-head h2{color:#fff}
#model .section-head .lead{color:#AFC7D4}
#model::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(18,194,214,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(18,194,214,.045) 1px,transparent 1px);background-size:46px 46px;pointer-events:none}
.flow{margin-top:52px;max-width:980px;margin-left:auto;margin-right:auto;position:relative}
.node{display:inline-flex;align-items:center;gap:11px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:11px 22px;font-weight:700;font-size:15.5px}
.node .ico{width:30px;height:30px;border-radius:50%;background:rgba(18,194,214,.18);color:var(--signal-soft);display:grid;place-items:center;flex:none}
.node .ico svg{width:16px;height:16px}
.flow-top{text-align:center}
.flow-vline{width:2px;height:34px;margin:14px auto;background:linear-gradient(180deg,var(--signal),rgba(18,194,214,.15))}
.decision{text-align:center}
.decision .node{border-color:rgba(245,169,60,.55);background:rgba(245,169,60,.09)}
.decision .node .ico{background:rgba(245,169,60,.18);color:var(--amber)}
.flow-lanes{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:6px}
.lane{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:26px}
.lane-head{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;margin-bottom:4px}
.lane-dot{width:10px;height:10px;border-radius:50%;flex:none}
.lane-dot.a{background:var(--signal);box-shadow:0 0 0 5px rgba(18,194,214,.18)}
.lane-dot.b{background:var(--amber);box-shadow:0 0 0 5px rgba(245,169,60,.18)}
.lane-sub{font-size:13px;color:#9FB8C8;margin-bottom:14px}
.lane-steps{counter-reset:step}
.lane-steps li{position:relative;padding:11px 0 11px 44px;color:#D7E6EE;font-size:15px;border-bottom:1px dashed rgba(255,255,255,.10)}
.lane-steps li:last-child{border-bottom:none}
.lane-steps li::before{counter-increment:step;content:counter(step);position:absolute;left:4px;top:11px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800}
.lane-a .lane-steps li::before{background:rgba(18,194,214,.16);color:var(--signal-soft)}
.lane-b .lane-steps li::before{background:rgba(245,169,60,.16);color:var(--amber)}
.flow-end{margin-top:6px;text-align:center}
.flow-end .node{border-color:rgba(46,158,107,.55);background:rgba(46,158,107,.1);color:#BDF0D8}
.flow-end .node .ico{background:rgba(46,158,107,.18);color:#5BD9A4}
.flow-note{margin-top:18px;text-align:center;font-size:13px;color:#8FA9B9}

/* ===== 服务保障 ===== */
.guar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:46px}
.g-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:transform .25s,border-color .25s,box-shadow .25s}
.g-item:hover{transform:translateY(-5px);border-color:var(--signal);box-shadow:var(--shadow-soft)}
.g-item h3{font-size:18px;font-weight:900;color:var(--navy-950);margin:16px 0 8px}
.g-item p{font-size:14px;color:var(--muted);line-height:1.75}
.g-icon{width:46px;height:46px;border-radius:12px;background:rgba(18,194,214,.12);color:var(--signal);display:grid;place-items:center}
.g-icon svg{width:24px;height:24px}

/* ===== 工程师入驻 ===== */
#engineer{background:var(--surface)}
.eng-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eng-left .lead{margin-top:14px}
.benefits{margin:24px 0 30px;display:grid;gap:12px}
.benefits li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--ink)}
.benefits svg{width:19px;height:19px;color:var(--ok);flex:none;margin-top:4px}
.eng-steps{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);overflow:hidden;margin-bottom:32px}
.eng-step{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line);align-items:center}
.eng-step:last-child{border-bottom:none}
.eng-num{width:42px;height:42px;border-radius:12px;background:var(--navy-900);color:var(--signal-soft);display:grid;place-items:center;font-weight:900;font-size:17px}
.eng-step h4{font-size:15.5px;font-weight:800;color:var(--navy-950)}
.eng-step p{font-size:13px;color:var(--muted);margin-top:2px}
.eng-media{position:relative}
.eng-media img,.about-media img{border-radius:18px;width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.eng-chip{position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;background:rgba(7,24,38,.85);border:1px solid rgba(18,194,214,.4);color:#fff;font-size:13px;font-weight:700;padding:9px 15px;border-radius:999px;backdrop-filter:blur(6px)}
.eng-chip svg{width:15px;height:15px;color:var(--signal-soft)}

/* ===== 关于平台 ===== */
#about{background:var(--bg)}
.ab-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:center}
.about-media{position:relative}
.about-chip{position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;background:rgba(7,24,38,.85);border:1px solid rgba(245,169,60,.5);color:#fff;font-size:13px;font-weight:700;padding:9px 15px;border-radius:999px;backdrop-filter:blur(6px)}
.about-chip svg{width:15px;height:15px;color:var(--amber)}
.ab-text .lead{margin-top:14px}
.ab-text p{font-size:15px;color:var(--muted);line-height:1.85;margin-top:14px}
.ab-text .btn{margin-top:28px}
.ab-points{display:grid;gap:10px;margin-top:22px}
.ab-points li{display:flex;gap:10px;font-size:14.5px;color:var(--ink);align-items:flex-start}
.ab-points svg{width:18px;height:18px;color:var(--ok);flex:none;margin-top:4px}

/* ===== 报修咨询 ===== */
#contact{background:var(--navy-950);color:#fff;position:relative;overflow:hidden}
#contact::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(18,194,214,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(18,194,214,.045) 1px,transparent 1px);background-size:46px 46px;pointer-events:none}
#contact .section-head h2{color:#fff}
#contact .section-head .lead{color:#AFC7D4}
.ct-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;margin-top:46px;position:relative}
.ct-info .big-phone{display:flex;align-items:center;gap:16px;margin:26px 0 8px}
.big-phone .ph-icon{width:58px;height:58px;border-radius:16px;background:rgba(245,169,60,.14);color:var(--amber);display:grid;place-items:center;flex:none}
.big-phone .ph-icon svg{width:28px;height:28px}
.big-phone a{font-size:clamp(30px,3.6vw,44px);font-weight:900;color:var(--amber);letter-spacing:.02em;line-height:1.1;display:inline-block;padding:10px 0}
.ct-info .sub{color:#AFC7D4;font-size:14px;margin-bottom:30px}
.ct-list{display:grid;gap:14px}
.ct-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#D7E6EE}
.ct-list svg{width:19px;height:19px;color:var(--signal-soft);flex:none;margin-top:3px}
.ct-card{background:#fff;color:var(--ink);border-radius:18px;padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.tabs{display:flex;gap:6px;background:var(--bg);padding:6px;border-radius:12px;margin-bottom:22px}
.tab{flex:1;padding:12px;border:none;background:transparent;border-radius:9px;font-weight:800;color:var(--muted);cursor:pointer;font-size:15px;transition:background .2s,color .2s,box-shadow .2s}
.tab.active{background:#fff;color:var(--navy-950);box-shadow:0 2px 10px rgba(10,34,51,.10)}
.tab-panel{display:none}
.tab-panel.active{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--navy-850);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;outline:none}
.field textarea{resize:vertical;min-height:92px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--signal);box-shadow:0 0 0 3px rgba(18,194,214,.15)}
.form-note{font-size:12px;color:var(--muted);margin-top:10px;text-align:center}

/* ===== 页脚 ===== */
.site-footer{background:#061724;color:#8FA9B9;padding:60px 0 26px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.f-brand .logo{margin-bottom:14px}
.f-brand p{font-size:13.5px;line-height:1.8;max-width:300px}
.f-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px}
.f-col a{display:block;font-size:13.5px;color:#8FA9B9;padding:9px 0;transition:color .2s}
.f-col a:hover{color:var(--signal-soft)}
.f-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px}

/* ===== Toast 与返回顶部 ===== */
#toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);background:var(--navy-900);color:#fff;padding:14px 24px;border-radius:12px;border:1px solid rgba(18,194,214,.45);box-shadow:0 14px 36px rgba(0,0,0,.35);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:300;font-size:14.5px;max-width:calc(100vw - 48px);text-align:center}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toTop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:13px;background:var(--navy-900);color:var(--signal);border:1px solid rgba(18,194,214,.4);display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:150}
#toTop.show{opacity:1;pointer-events:auto}
#toTop:hover{transform:translateY(-3px)}
#toTop svg{width:20px;height:20px}

/* ===== 滚动显现 ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .guar-grid{grid-template-columns:repeat(2,1fr)}
  .eng-grid,.ab-grid,.ct-grid{grid-template-columns:1fr;gap:40px}
  .eng-media img,.about-media img{aspect-ratio:16/9}
  .f-grid{grid-template-columns:1fr 1fr}
  .menu-btn{display:grid}
  .nav{position:fixed;top:72px;left:0;right:0;background:rgba(7,24,38,.98);flex-direction:column;padding:14px 24px 26px;display:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav.open{display:flex}
  .nav a{padding:13px 10px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav a:last-child{border-bottom:none}
  .header-phone{display:none}
}
@media (max-width:760px){
  .svc-grid,.guar-grid{grid-template-columns:1fr}
  .flow-lanes{grid-template-columns:1fr}
  .hero{padding:140px 0 72px}
  .hero-strip{grid-template-columns:repeat(2,1fr);margin-top:44px}
  .form-row{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr;gap:28px}
  .ct-card{padding:22px}
  .hero-cta .btn{width:100%}
  .field input,.field select,.field textarea{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .service-card,.g-item{transition:none}
  .btn{transition:none}
}















/* ===== 分站新增样式（不改动原网格） ===== */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:18px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--signal)}
.breadcrumb .sep{color:#B7C6D2}
.breadcrumb .cur{color:var(--navy-850);font-weight:700}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.subnav a{padding:9px 16px;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:700;color:var(--navy-850);background:#fff;transition:.2s}
.subnav a:hover{border-color:var(--signal);color:var(--signal);transform:translateY(-2px)}
.subnav a.active{background:var(--signal);color:#04303A;border-color:var(--signal)}
.entry-band{background:linear-gradient(120deg,var(--navy-900),var(--navy-850));color:#fff;border-radius:var(--radius);padding:clamp(28px,4vw,44px);position:relative;overflow:hidden}
.entry-band::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(18,194,214,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(18,194,214,.06) 1px,transparent 1px);background-size:42px 42px;pointer-events:none}
.entry-band .eb-in{position:relative;max-width:760px}
.entry-band h2{color:#fff;font-size:clamp(22px,3vw,32px);font-weight:900;margin-bottom:10px}
.entry-band p{color:#C7D8E2;font-size:15px;margin-bottom:22px}
.models-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.model-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
.model-card:hover{transform:translateY(-4px);border-color:var(--signal);box-shadow:var(--shadow-soft)}
.model-card h3{font-size:17px;color:var(--navy-950);font-weight:900;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.model-card h3::before{content:'';width:9px;height:9px;border-radius:2px;background:var(--signal)}
.model-card ul{display:grid;gap:9px}
.model-card li{font-size:14px;color:var(--ink);padding-left:16px;position:relative;line-height:1.6}
.model-card li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--signal-soft)}
.scn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.scn-card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:22px}
.scn-card h4{font-size:16px;color:var(--navy-950);font-weight:800;margin-bottom:8px}
.scn-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.case-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;transition:.25s}
.case-card:hover{transform:translateY(-4px);border-color:var(--signal);box-shadow:var(--shadow-soft)}
.case-card .tag{display:inline-block;font-size:12px;font-weight:800;color:#04303A;background:rgba(18,194,214,.18);padding:4px 11px;border-radius:999px;margin-bottom:14px;align-self:flex-start}
.case-card h4{font-size:16.5px;color:var(--navy-950);font-weight:800;margin-bottom:10px;line-height:1.45}
.case-card p{font-size:14px;color:var(--muted);line-height:1.75;flex:1}
.case-card .meta{margin-top:16px;font-size:12.5px;color:var(--signal);font-weight:700}
.region-nav{background:var(--bg);border-top:1px solid var(--line)}
.region-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:30px}
.region-grid a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;font-size:14.5px;font-weight:700;color:var(--navy-850);transition:.2s}
.region-grid a:hover{border-color:var(--signal);color:var(--signal);transform:translateY(-2px)}
.region-grid a .arr{color:#B7C6D2;font-size:13px}
.region-grid a:hover .arr{color:var(--signal)}
.hero-sub .hero-inner{max-width:760px}
.hero-sub h1{font-size:clamp(30px,4.4vw,48px)}
@media(max-width:1024px){.models-grid,.scn-grid,.case-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.models-grid,.scn-grid,.case-grid{grid-template-columns:1fr}}