@font-face{font-family:Archivo;src:url(/assets/fonts/archivo-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Archivo;src:url(/assets/fonts/archivo-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Archivo;src:url(/assets/fonts/archivo-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:Archivo;src:url(/assets/fonts/archivo-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:Archivo;src:url(/assets/fonts/archivo-800.woff2) format("woff2");font-weight:800;font-display:swap}
:root{--navy:#13294B;--navy2:#0D1D36;--copper:#C2672A;--copper-d:#A4541E;--copper-l:#E08A4C;--ink:#1D2633;--muted:#4A5568;
--line:#D9DFE7;--tint:#F3F5F8;--white:#fff;--r:14px;--max:1200px;
--font:Archivo,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
html:lang(zh-CN){--font:Archivo,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC",system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--white);font-size:17px;line-height:1.6}
img,svg{max-width:100%}
a{color:var(--copper-d)}a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--copper);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:16px}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy)}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text b{font-weight:800;letter-spacing:.04em;font-size:18px}
.logo-text small{font-size:9.5px;letter-spacing:.2em;color:var(--muted);font-weight:500;margin-top:3px}
.brand-link{text-decoration:none}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:15.5px;padding:10px 12px;border-radius:8px}
.nav a:hover{background:var(--tint);color:var(--navy)}
.nav .btn{margin-left:6px}
.langs{display:flex;align-items:center;gap:2px;margin-left:8px;padding-left:12px;border-left:1px solid var(--line)}
.langs a{font-size:13.5px;font-weight:600;padding:8px 8px;color:var(--muted)}
.langs a[aria-current]{color:var(--navy);background:var(--tint)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:46px;height:46px;align-items:center;justify-content:center;color:var(--navy);cursor:pointer}
@media (max-width:1020px){
 .menu-btn{display:inline-flex}
 .nav{position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:12px clamp(16px,4vw,40px) 24px;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(19,41,75,.12);display:none;max-height:calc(100vh - 72px);overflow:auto}
 .nav.open{display:flex}
 .nav a{padding:14px 12px;font-size:17px}
 .nav .btn{margin:8px 0 0;justify-content:center}
 .langs{margin:12px 0 0;padding:12px 0 0;border-left:0;border-top:1px solid var(--line);justify-content:flex-start;flex-wrap:wrap}
 .langs a{font-size:15px;padding:10px 14px}
}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--copper);color:#fff;text-decoration:none;font-weight:600;padding:13px 22px;border-radius:10px;border:0;font-size:16px;cursor:pointer;font-family:inherit;min-height:48px}
.btn:hover{background:var(--copper-d);color:#fff}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.1)}
.nav .btn{color:#fff;padding:10px 18px;min-height:44px}
.nav .btn:hover{background:var(--copper-d);color:#fff}
/* hero */
.hero{background:radial-gradient(1200px 600px at 85% 20%,#1C3A66 0%,var(--navy) 55%,var(--navy2) 100%);color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:clamp(56px,9vw,110px);padding-bottom:clamp(56px,9vw,110px)}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--copper-l);margin:0 0 14px}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.08;margin:0 0 20px;font-weight:800;letter-spacing:-.01em}
.hero p.sub{font-size:clamp(17px,1.6vw,20px);color:#D3DCEA;max-width:640px;margin:0 0 30px}
.ctas{display:flex;flex-wrap:wrap;gap:14px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px;padding:0;list-style:none}
.tags li{font-size:13.5px;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 14px;color:#E3E9F3}
.hero-art{width:100%;height:auto}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero-art{max-width:420px;margin:0 auto;opacity:.9}}
/* sections */
section{scroll-margin-top:80px}
.sec{padding:clamp(64px,9vw,112px) 0}
.sec.tint{background:var(--tint)}
.sec h2{font-size:clamp(28px,3.6vw,42px);line-height:1.15;margin:0 0 18px;color:var(--navy);font-weight:800;max-width:860px}
.sec .kicker{color:var(--copper-d)}
.lead{font-size:clamp(17px,1.5vw,19px);color:var(--muted);max-width:760px}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,72px);align-items:start}
.about-grid p{margin:0 0 16px;color:var(--ink)}
.points{display:grid;gap:14px}
.point{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.point .ic{flex:none;width:44px;height:44px;border-radius:12px;background:var(--tint);color:var(--copper-d);display:flex;align-items:center;justify-content:center}
.point h3{margin:0 0 4px;font-size:18px;color:var(--navy)}
.point p{margin:0;color:var(--muted);font-size:15.5px}
@media (max-width:900px){.about-grid{grid-template-columns:1fr}}
.group{margin-top:44px}
.group h3.gt{display:flex;align-items:center;gap:12px;font-size:20px;color:var(--navy);margin:0 0 18px}
.group h3.gt::before{content:"";width:28px;height:3px;background:var(--copper);border-radius:2px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:12px;transition:border-color .2s,box-shadow .2s,transform .2s}
.card:hover{border-color:#C9D2DE;box-shadow:0 14px 30px rgba(19,41,75,.08);transform:translateY(-2px)}
.card .ic{width:48px;height:48px;border-radius:12px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center}
.card h4{margin:0;font-size:18px;line-height:1.3;color:var(--navy)}
.card p{margin:0;color:var(--muted);font-size:15.5px}
.ind{background:var(--navy);color:#fff}
.ind h2{color:#fff}.ind .kicker{color:var(--copper-l)}
.ind-grid{list-style:none;padding:0;margin:36px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,190px),1fr));gap:14px}
.ind-grid li{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:18px;font-weight:600;font-size:17px}
.ind-grid .ico{color:var(--copper-l);flex:none}
.steps{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps li{position:relative;border-top:3px solid var(--line);padding-top:26px;counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;top:-18px;left:0;background:#fff;color:var(--copper-d);font-weight:800;font-size:15px;padding-right:10px}
.steps li:first-child{border-top-color:var(--copper)}
.steps h3{margin:0 0 6px;color:var(--navy);font-size:19px}
.steps p{margin:0;color:var(--muted);font-size:15.5px}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,64px);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.mails{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:10px}
.mails li a{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;min-height:56px}
.mails li a:hover{border-color:var(--copper)}
.mails .ico{color:var(--copper-d);flex:none}
.mails small{display:block;color:var(--muted);font-size:13.5px;line-height:1.3}
.mails span.addr{font-weight:600;color:var(--navy);word-break:break-all;line-height:1.35}
form.cf{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,32px);display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cf .full{grid-column:1/-1}
.cf label{display:block;font-weight:600;font-size:14.5px;color:var(--navy);margin-bottom:6px}
.cf label .req{color:var(--copper-d);font-weight:500}
.cf input,.cf select,.cf textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);border:1px solid #C3CCD8;border-radius:10px;padding:12px 14px;background:#fff;min-height:48px}
.cf textarea{min-height:140px;resize:vertical}
.cf input:focus,.cf select:focus,.cf textarea:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(194,103,42,.18)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.consent input{width:20px;height:20px;min-height:0;margin-top:2px;flex:none;accent-color:var(--copper)}
.hp{position:absolute;left:-9999px}
@media (max-width:560px){form.cf{grid-template-columns:1fr}}
/* footer */
.ftr{background:var(--navy2);color:#C3CEDF;padding:56px 0 28px;font-size:14.5px}
.ftr .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
.ftr .logo{color:#fff}.ftr .logo-text small{color:#9DB0CC}
.ftr h3{color:#fff;font-size:14px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 14px}
.ftr ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.ftr a{color:#C3CEDF;text-decoration:none}.ftr a:hover{color:#fff;text-decoration:underline}
.ftr .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:13.5px;color:#9DB0CC}
@media (max-width:820px){.ftr .cols{grid-template-columns:1fr}}
/* páginas simples */
.page{padding:clamp(56px,8vw,96px) 0;min-height:60vh}
.page h1{color:var(--navy);font-size:clamp(30px,4vw,44px);margin:0 0 24px}
.page h2{color:var(--navy);font-size:20px;margin:28px 0 8px}
.page p{max-width:760px;color:var(--ink)}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}