:root{--navy:#0b2545;--navy2:#13315c;--blue:#1e6fd9;--blue-soft:#e8f0fc;--ink:#1f2933;--muted:#5b6774;--line:#e3e8ee;--bg:#ffffff;--bg2:#f5f7fa;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
img,svg{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.25;margin:0 0 .5em;color:var(--navy);font-weight:700}
h1{font-size:2.4rem}h2{font-size:1.75rem}h3{font-size:1.15rem}
p{margin:0 0 1em}
/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:700;letter-spacing:.02em}
.brand:hover{text-decoration:none}
.brand .mark{width:36px;height:36px;flex:none}
.brand .name{display:flex;flex-direction:column;line-height:1.1}
.brand .name small{font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.18em}
.nav-toggle{display:none}
.nav-btn{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-btn span{display:block;width:18px;height:2px;background:var(--navy);box-shadow:0 -6px 0 var(--navy),0 6px 0 var(--navy)}
.nav{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
.nav a{display:block;padding:8px 12px;border-radius:8px;color:var(--ink);font-weight:500}
.nav a:hover{background:var(--bg2);text-decoration:none}
.nav a.active{color:var(--blue);font-weight:600}
.nav .lang a{border:1px solid var(--line);margin-left:8px;font-size:.9rem;padding:6px 12px}
/* hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 55%,#1a4a8a 100%);color:#fff;padding:88px 0 80px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(closest-side,rgba(30,111,217,.55),rgba(30,111,217,0))}
.hero .wrap{position:relative;max-width:820px;margin-left:auto;margin-right:auto}
.hero h1{color:#fff;font-size:2.6rem;margin-bottom:.6em}
.hero p{font-size:1.1rem;color:#d6e0f0;max-width:700px;margin-bottom:2em}
.btn{display:inline-block;padding:12px 26px;border-radius:8px;font-weight:600;border:1px solid transparent;margin-right:10px;margin-bottom:10px}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#1a61bf}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}.btn-ghost:hover{background:rgba(255,255,255,.1)}
/* facts */
.facts{background:var(--bg2);border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:28px;padding-bottom:28px}
.fact b{display:block;font-size:1.5rem;color:var(--navy)}
.fact span{color:var(--muted);font-size:.92rem}
/* sections */
.section{padding:72px 0}
.section.alt{background:var(--bg2)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head p{color:var(--muted);font-size:1.05rem}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid>*,.two>*,.contact-grid>*,.svc>*,.site-footer .cols>*{min-width:0}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 24px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 10px 30px rgba(11,37,69,.08);transform:translateY(-2px)}
.card .icon{width:44px;height:44px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-weight:700}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);margin:0;font-size:.97rem}
.two{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.two p{font-size:1.05rem}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
table.reg{width:100%;border-collapse:collapse;font-size:.97rem}
table.reg th,table.reg td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
table.reg th{width:34%;color:var(--muted);font-weight:500;white-space:nowrap}
table.reg td{color:var(--ink);overflow-wrap:anywhere}
.timeline{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 22px 26px}
.timeline li:before{content:"";position:absolute;left:-7px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--blue);border:2px solid #fff;box-shadow:0 0 0 2px var(--blue)}
.timeline b{display:block;color:var(--navy)}
.timeline span{color:var(--muted)}
/* services detail */
.svc{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:40px 0;border-top:1px solid var(--line);align-items:start}
.svc:first-of-type{border-top:0}
.svc .num{color:var(--blue);font-weight:700;letter-spacing:.1em;font-size:.85rem;display:block;margin-bottom:6px}
.svc ul{margin:0;padding-left:1.2em}.svc li{margin-bottom:6px}
.svc p{color:var(--muted)}
/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.contact-grid .card p{color:var(--ink);font-size:1.02rem}
.contact-grid .card small{color:var(--muted);display:block;margin-bottom:6px;letter-spacing:.06em;text-transform:uppercase;font-size:.75rem}
.strip{background:var(--navy);color:#fff;padding:56px 0}
.strip h2{color:#fff}.strip p{color:#c9d5e8}
.strip .btn-primary{margin-top:6px}
/* footer */
.site-footer{background:#08192f;color:#a9b7c9;padding:44px 0 32px;font-size:.9rem}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:28px}
.site-footer h4{color:#fff;margin:0 0 10px;font-size:1rem}
.site-footer a{color:#cfd9e6}
.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin-bottom:6px}
.site-footer .legal{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;font-size:.84rem;color:#8395ab}
@media (max-width:860px){
 .facts .wrap,.grid,.two,.svc,.contact-grid,.site-footer .cols{grid-template-columns:1fr}
 h1,.hero h1{font-size:2rem}
 .hero{padding:64px 0 56px}
 .nav-btn{display:flex}
 .nav{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 16px 16px}
 .nav-toggle:checked ~ .nav{display:flex}
 .nav .lang a{margin-left:0;margin-top:6px;text-align:center}
 table.reg th{white-space:normal;width:40%}
 .btn{margin-right:6px}
}