:root{
  --navy:#071a2f;--navy2:#0b3158;--blue:#0b78ee;--blue2:#055ecf;
  --ink:#0b223b;--muted:#657689;--line:#dce7f0;--soft:#f3f7fb;
  --white:#fff;--max:1240px;--shadow:0 18px 50px rgba(9,38,69,.10)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:var(--max);margin:auto;padding:0 24px}
.topbar{height:80px;background:rgba(255,255,255,.97);border-bottom:1px solid #e4edf4;position:sticky;top:0;z-index:100;backdrop-filter:blur(14px)}
.nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:12px;min-width:250px}
.logo{width:50px;height:44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#168cff,#0660d1);color:#fff;font-weight:900;font-size:22px;box-shadow:0 9px 24px rgba(11,120,238,.25)}
.brand b{display:block;font-size:19px;line-height:1.05}
.brand small{display:block;margin-top:4px;color:#768697;font-size:11px}
.links{display:flex;align-items:center;gap:25px;font-size:16px;font-weight:650}
.links a{position:relative;padding:29px 0}
.links a:after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:2px;background:var(--blue);transition:.2s}
.links a:hover:after{right:0}
.actions{display:flex;align-items:center;gap:10px}
.lang{font-weight:800;color:#425468;font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:14px 21px;font-weight:760;transition:.2s}
.btn.primary{background:linear-gradient(135deg,#138aff,#0861d7);color:#fff;box-shadow:0 10px 24px rgba(11,120,238,.23)}
.btn.primary:hover{transform:translateY(-1px)}
.btn.outline{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.05)}
.menu{display:none;font-size:28px}

.hero{position:relative;min-height:640px;color:#fff;overflow:hidden;background:#071a2f}
.hero-bg{position:absolute;inset:0;background:center/cover no-repeat}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,19,35,.97),rgba(5,25,45,.87) 48%,rgba(5,25,45,.28) 77%,rgba(5,25,45,.08))}
.hero-inner{position:relative;z-index:2;min-height:640px;display:flex;align-items:center}
.hero-copy{max-width:720px;padding:70px 0}
.tag{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);font-size:13px;color:#cce5ff}
.hero h1{font-size:58px;line-height:1.06;margin:22px 0 18px;letter-spacing:-2px}
.hero h1 em{font-style:normal;color:#37a4ff}
.hero .lead{font-size:20px;line-height:1.7;color:#dce8f3;max-width:700px}
.hero .note{font-size:14px;line-height:1.75;color:#a9bdce;max-width:680px}
.hero-buttons{display:flex;gap:13px;margin-top:30px}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:42px;max-width:780px}
.trust-item{padding-left:12px;border-left:2px solid #2d96f7;font-size:12px;color:#9db3c7}
.trust-item b{display:block;color:#fff;font-size:14px;margin-bottom:4px}

.section{padding:82px 0}
.section.soft{background:linear-gradient(180deg,#f9fbfd,#eef5fb)}
.heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.heading h2{font-size:36px;letter-spacing:-1px;margin:0}
.heading p{margin:9px 0 0;color:var(--muted);font-size:16px}
.more{font-size:14px;color:var(--blue);font-weight:760}

.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.card-img{height:190px;overflow:hidden;background:#d6e0e7}
.card-img img{width:100%;height:100%;object-fit:cover;transition:.35s}
.service:hover img,.case:hover img{transform:scale(1.035)}
.service-body{padding:20px}
.service-body h3{margin:0;font-size:20px}
.service-body p{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.7}

.cap-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cap{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px 15px;text-align:center;box-shadow:0 8px 26px rgba(8,37,68,.04)}
.cap .icon{width:50px;height:50px;border-radius:14px;margin:auto;display:grid;place-items:center;background:#eaf4ff;color:var(--blue);font-size:24px}
.cap b{display:block;margin-top:13px;font-size:16px}
.cap small{display:block;margin-top:6px;color:var(--muted);line-height:1.5}

.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}
.case .card-img{height:220px}
.case-body{padding:17px}
.case-body b{font-size:17px}
.case-body p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.6}

.why{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
.why-main{border-radius:22px;overflow:hidden;position:relative;min-height:430px;background:#071a2f}
.why-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.why-main:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,20,37,.92),rgba(5,20,37,.42))}
.why-copy{position:relative;z-index:2;padding:42px;color:#fff;max-width:620px}
.why-copy h2{font-size:34px;margin:0}
.why-copy p{color:#d0dce7;line-height:1.8}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.why-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff}
.why-card b{font-size:17px}
.why-card p{font-size:13px;color:var(--muted);line-height:1.65}

.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.knowledge{border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff}
.knowledge .kicker{font-size:12px;color:var(--blue);font-weight:800}
.knowledge h3{font-size:18px;margin:9px 0}
.knowledge p{font-size:13px;line-height:1.65;color:var(--muted)}

.cta{background:linear-gradient(120deg,#075ac9,#138aff);color:#fff;padding:44px 0}
.cta-row{display:flex;align-items:center;justify-content:space-between;gap:26px}
.cta h2{font-size:34px;margin:0}
.cta p{color:#d9ecff;margin:9px 0 0}

.footer{background:#051a2e;color:#dbe5ee;padding:58px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.35fr .75fr 1.15fr .75fr;gap:44px}
.footer h4{font-size:17px;color:#fff;margin:0 0 15px}
.footer p,.footer a{font-size:15px;color:#aebdca;line-height:1.95}
.contact{font-size:15px;color:#d0dae4;line-height:2}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:22px;color:#8495a5;font-size:13px;display:flex;justify-content:space-between;gap:18px}
.mobilebar{display:none}

.page-hero{padding:75px 0 60px;background:linear-gradient(135deg,#071a2f,#0c406c);color:#fff}
.page-hero h1{font-size:44px;margin:0 0 14px}
.page-hero p{max-width:760px;color:#cfdeeb;line-height:1.8;font-size:17px}
.content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
.panel{border:1px solid var(--line);border-radius:18px;background:#fff;padding:28px}
.panel h2{font-size:27px;margin-top:0}
.list{padding:0;margin:0;list-style:none}
.list li{padding:12px 0;border-bottom:1px solid #edf2f6;line-height:1.6;color:#43586c}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--line);padding:13px 10px;text-align:left;font-size:14px}
.table th{background:#f5f9fc}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{font-size:13px;font-weight:700;color:#41566b}
.form input,.form textarea,.form select{width:100%;margin-top:7px;padding:13px;border:1px solid #cbd9e5;border-radius:10px;font:inherit}
.form textarea{min-height:120px;resize:vertical}
.form .full{grid-column:1/-1}
.notice{padding:14px 16px;border-radius:12px;background:#eef6ff;color:#24588d;font-size:13px;line-height:1.6}
.article{max-width:860px;margin:auto}
.article h2{font-size:28px;margin-top:38px}
.article p,.article li{font-size:16px;line-height:1.9;color:#3f5366}
.article img{width:100%;border-radius:16px;margin:24px 0}
.breadcrumb{font-size:13px;color:#8aa0b5;margin-bottom:14px}

@media(max-width:980px){
  .links{display:none}.menu{display:block}.actions .primary{display:none}.brand{min-width:auto}
  .hero,.hero-inner{min-height:650px}.hero h1{font-size:45px}.hero .lead{font-size:17px}
  .trust{grid-template-columns:1fr 1fr}.service-grid{grid-template-columns:1fr 1fr}
  .cap-grid{grid-template-columns:repeat(3,1fr)}.case-grid{grid-template-columns:1fr 1fr}
  .why{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.content-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .wrap{padding:0 16px}.topbar{height:68px}.logo{width:43px;height:38px;font-size:19px}.brand b{font-size:16px}.brand small{font-size:9px}
  .lang{font-size:13px}.hero,.hero-inner{min-height:625px}.hero-copy{padding:105px 0 42px}
  .hero h1{font-size:39px;letter-spacing:-1px}.hero .lead{font-size:16px}.hero-buttons{flex-direction:column}.hero-buttons .btn{width:100%}
  .trust{grid-template-columns:1fr 1fr;margin-top:28px}.section{padding:58px 0}.heading{align-items:start}.heading h2{font-size:29px}.heading p{font-size:14px}
  .service-grid{grid-template-columns:1fr 1fr;gap:10px}.card-img{height:130px}.service-body{padding:14px}.service-body h3{font-size:17px}.service-body p{font-size:12px}
  .cap-grid{grid-template-columns:1fr 1fr;gap:10px}.cap{padding:20px 12px}
  .case-grid{grid-template-columns:1fr 1fr;gap:10px}.case .card-img{height:125px}.case-body{padding:13px}.case-body b{font-size:14px}
  .why-copy{padding:28px}.why-copy h2{font-size:28px}.why-grid{grid-template-columns:1fr}.knowledge-grid{grid-template-columns:1fr}
  .cta-row{display:block}.cta h2{font-size:28px}.cta .btn{margin-top:20px;width:100%}
  .footer{padding-bottom:98px}.footer-grid{grid-template-columns:1fr}.footer p,.footer a,.contact{font-size:15px}.copy{display:block;line-height:1.8}
  .mobilebar{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:200;grid-template-columns:1fr 1fr;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(5,20,37,.96);backdrop-filter:blur(12px)}
  .mobilebar a{padding:14px;border-radius:10px;text-align:center;font-weight:760}.mobilebar .call{background:#fff;color:#0b223b}.mobilebar .quote{background:var(--blue);color:#fff}
  .page-hero{padding:55px 0 42px}.page-hero h1{font-size:34px}.form{grid-template-columns:1fr}.form .full{grid-column:auto}.gallery{grid-template-columns:1fr 1fr}
}