:root{
  --ink:#0B2545;
  --ink-2:#13315C;
  --brand:#246EB9;
  --brand-dk:#1B5FAE;
  --brand-lt:#EAF2FB;
  --gold:#C8A96A;
  --text:#1D2A38;
  --muted:#5C6E7F;
  --line:#E2E9F1;
  --soft:#F5F8FC;
  --white:#fff;
  --shadow:0 18px 44px -18px rgba(11,37,69,.28);
  --shadow-sm:0 6px 20px -10px rgba(11,37,69,.24);
  --radius:14px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--white);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- top strip ---------- */
.strip{background:var(--ink);color:#CBD8E6;font-size:13px}
.strip .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;height:40px;flex-wrap:wrap}
.strip b{color:#fff;font-weight:600}
.strip .codespan{color:#fff;font-weight:700;letter-spacing:.06em}
.strip .r{display:flex;gap:22px;align-items:center}
.strip a:hover{color:#fff}
.strip .badge{background:rgba(200,169,106,.16);border:1px solid rgba(200,169,106,.5);color:#EBD9B6;padding:1px 9px;border-radius:99px;font-size:12px}
@media(max-width:860px){.strip .r .mail{display:none}}
@media(max-width:620px){.strip .l .member{display:none}}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.head{display:flex;align-items:center;justify-content:space-between;height:82px;gap:20px}
.logo{display:flex;align-items:center;gap:12px}
.logo .mark{width:44px;height:44px;border-radius:11px;background:linear-gradient(145deg,var(--ink),var(--ink-2));display:grid;place-items:center;color:#fff;font-size:22px;font-weight:700;font-family:"Songti SC",serif;box-shadow:var(--shadow-sm)}
.logo .name{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.logo .sub{font-size:11.5px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
nav.main{display:flex;align-items:center;gap:4px}
nav.main a{padding:9px 14px;border-radius:8px;font-size:15.5px;font-weight:500;color:#33465A;transition:.18s}
nav.main a:hover{color:var(--brand);background:var(--brand-lt)}
nav.main a.on{color:var(--brand);font-weight:700}
.head .cta{display:flex;align-items:center;gap:14px}
.tel{display:flex;flex-direction:column;line-height:1.2}
.tel span{font-size:11px;color:var(--muted);letter-spacing:.04em}
.tel strong{font-size:17px;color:var(--ink);font-variant-numeric:tabular-nums}
.burger{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:11px;background:#fff;cursor:pointer;position:relative}
.burger i{position:absolute;left:13px;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.burger i:nth-child(1){top:16px}.burger i:nth-child(2){top:22px}.burger i:nth-child(3){top:28px}
.burger.open i:nth-child(1){top:22px;transform:rotate(45deg)}
.burger.open i:nth-child(2){opacity:0}
.burger.open i:nth-child(3){top:22px;transform:rotate(-45deg)}
@media(max-width:1080px){nav.main a{padding:9px 10px;font-size:15px}.logo .sub{display:none}}
@media(max-width:940px){
  nav.main{position:fixed;inset:126px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;background:#fff;padding:14px 20px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  nav.main.show{display:flex}
  nav.main a{padding:14px 12px;font-size:16.5px;border-radius:10px}
  .burger{display:block}
  .head .tel{display:none}
  .head{height:74px}
  nav.main{top:74px}
}
@media(max-width:940px) and (min-width:1px){ .strip{position:relative;z-index:70} }

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:11px;font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-dk));color:#fff;box-shadow:0 12px 26px -12px rgba(36,110,185,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(36,110,185,.8)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn .ar{transition:.2s}
.btn:hover .ar{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,#081B33 0%,#0B2545 42%,#153E6E 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(780px 380px at 88% 8%,rgba(36,110,185,.42),transparent 62%),
  radial-gradient(600px 300px at 6% 96%,rgba(200,169,106,.16),transparent 60%);pointer-events:none}
.hero .grid{position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:76px 24px 84px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;letter-spacing:.04em;color:#CFE0F2;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);padding:7px 15px;border-radius:99px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(200,169,106,.22)}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.24;margin:24px 0 0;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#F0D9A8,#C8A96A);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:20px;font-size:16.5px;color:#BFD3E8;max-width:610px}
.hero .acts{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero .kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:46px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:13px;overflow:hidden}
.hero .kpi div{background:rgba(8,27,51,.42);padding:18px 16px}
.hero .kpi b{display:block;font-size:25px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero .kpi span{font-size:12.5px;color:#A9C0DA}
.hero .shot{position:relative}
.hero .shot .frame{border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.2);box-shadow:0 30px 70px -26px rgba(0,0,0,.75)}
.hero .shot .frame img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
.hero .shot .plate{position:absolute;left:-22px;bottom:-26px;background:#fff;color:var(--ink);border-radius:13px;padding:14px 18px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px}
.hero .shot .plate .seal{width:40px;height:40px;border-radius:9px;background:var(--brand-lt);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:12px;text-align:center;line-height:1.1}
.hero .shot .plate strong{display:block;font-size:15px}
.hero .shot .plate small{font-size:12px;color:var(--muted)}
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding:56px 24px 68px}
  .hero .shot .plate{left:16px;bottom:-20px}
  .hero .kpi{grid-template-columns:repeat(2,1fr)}
}

/* ---------- section shell ---------- */
section{padding:84px 0}
.shead{max-width:760px}
.shead.center{margin:0 auto;text-align:center}
.kick{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand)}
.kick::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.shead h2{font-size:clamp(26px,3.1vw,38px);margin-top:16px;color:var(--ink)}
.shead p{margin-top:16px;color:var(--muted);font-size:16.5px}

/* ---------- credentials ---------- */
.creds{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}
.creds .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cred{display:flex;gap:13px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.cred svg{flex:none;width:26px;height:26px;color:var(--brand)}
.cred b{display:block;font-size:15px;color:var(--ink)}
.cred span{font-size:13px;color:var(--muted);line-height:1.5}
@media(max-width:900px){.creds .wrap{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.creds .wrap{grid-template-columns:1fr}}

/* ---------- services ---------- */
.svcs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 24px;position:relative;transition:.24s;display:flex;flex-direction:column}
.svc::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;background:var(--brand);border-radius:0 3px 3px 0;opacity:0;transition:.24s}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#CFE0F2}
.svc:hover::before{opacity:1}
.svc .ico{width:52px;height:52px;border-radius:13px;background:var(--brand-lt);color:var(--brand);display:grid;place-items:center;margin-bottom:18px}
.svc .un{font-size:11.5px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.svc h3{font-size:20px;color:var(--ink);margin-top:6px}
.svc p{font-size:14.5px;color:var(--muted);margin-top:12px;min-height:66px}
.svc ul{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.svc ul li{font-size:12.5px;color:#3C5570;background:var(--soft);border:1px solid var(--line);border-radius:7px;padding:4px 9px}
.svc .more{margin-top:20px;font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.svc:hover .more .ar{transform:translateX(4px)}
@media(max-width:1040px){.svcs{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.svcs{grid-template-columns:1fr}}

/* ---------- about ---------- */
.about{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.about::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 420px at 96% 12%,rgba(36,110,185,.4),transparent 60%)}
.about .wrap{position:relative;z-index:2;display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:center}
.about .pic{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:0 30px 66px -26px rgba(0,0,0,.7)}
.about .pic img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.about .kick{color:#8FB8E4}
.about .kick::before{background:#8FB8E4}
.about h2{color:#fff;font-size:clamp(25px,3vw,36px);margin-top:16px}
.about p{color:#BDD2E7;margin-top:18px;font-size:16px}
.about .trio{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.about .trio div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:16px}
.about .trio b{display:block;color:#fff;font-size:16px}
.about .trio span{font-size:13px;color:#A9C0DA}
.about .nums{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:28px;background:rgba(255,255,255,.15);border-radius:12px;overflow:hidden}
.about .nums div{background:rgba(8,27,51,.45);padding:16px}
.about .nums b{display:block;font-size:23px;font-weight:800;color:#fff}
.about .nums span{font-size:12.5px;color:#A9C0DA}
@media(max-width:980px){.about .wrap{grid-template-columns:1fr;gap:36px}.about .nums{grid-template-columns:repeat(2,1fr)}}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:46px;position:relative}
.steps::before{content:"";position:absolute;top:34px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,var(--line),#CFE0F2,var(--line))}
.step{position:relative;text-align:center;padding:0 6px}
.step .n{width:68px;height:68px;margin:0 auto;border-radius:50%;background:#fff;border:2px solid var(--line);display:grid;place-items:center;font-size:22px;font-weight:800;color:var(--brand);position:relative;z-index:2;transition:.24s}
.step:hover .n{border-color:var(--brand);box-shadow:0 12px 26px -12px rgba(36,110,185,.6)}
.step b{display:block;margin-top:18px;font-size:16.5px;color:var(--ink)}
.step span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.6}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr);gap:26px}.steps::before{display:none}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- why ---------- */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.why .card{background:linear-gradient(180deg,#fff,var(--soft));border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.24s}
.why .card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm)}
.why .card svg{width:30px;height:30px;color:var(--brand)}
.why .card h4{font-size:17.5px;color:var(--ink);margin-top:16px}
.why .card p{font-size:14.5px;color:var(--muted);margin-top:10px}
@media(max-width:1040px){.why{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.why{grid-template-columns:1fr}}

/* ---------- news ---------- */
.news{background:var(--soft)}
.news .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.24s}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#CFE0F2}
.post .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.post .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.post:hover .thumb img{transform:scale(1.05)}
.post .date{position:absolute;left:14px;top:14px;background:var(--brand);color:#fff;border-radius:10px;padding:9px 12px;text-align:center;line-height:1.1;box-shadow:0 10px 22px -10px rgba(11,37,69,.6)}
.post .date b{display:block;font-size:20px;font-weight:800}
.post .date span{font-size:11px;opacity:.9}
.post .body{padding:22px;display:flex;flex-direction:column;flex:1}
.post .tag{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--brand);text-transform:uppercase}
.post h3{font-size:18px;margin-top:10px;color:var(--ink);line-height:1.45}
.post p{font-size:14.5px;color:var(--muted);margin-top:12px;flex:1}
.post .more{margin-top:18px;font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.post:hover .more .ar{transform:translateX(4px)}
@media(max-width:960px){.news .grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.news .grid{grid-template-columns:1fr}}

/* ---------- jobs ---------- */
.jobs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.job{border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;background:#fff;transition:.24s;display:flex;flex-direction:column}
.job:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.job .hd{display:flex;justify-content:space-between;align-items:center;gap:12px}
.job h4{font-size:18px;color:var(--ink)}
.job .pill{font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-lt);border-radius:99px;padding:4px 11px;white-space:nowrap}
.job ul{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.job li{font-size:14.5px;color:var(--muted);display:flex;gap:9px;align-items:flex-start}
.job li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:9px}
.job .more{margin-top:20px;font-size:14px;font-weight:700;color:var(--brand)}
@media(max-width:960px){.jobs{grid-template-columns:1fr}}

/* ---------- contact ---------- */
.contact{position:relative;background:#081B33;color:#fff;overflow:hidden}
.contact::after{content:"";position:absolute;inset:0;background:radial-gradient(720px 380px at 10% 8%,rgba(36,110,185,.4),transparent 62%)}
.contact .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact h2{color:#fff;font-size:clamp(25px,3vw,36px);margin-top:16px}
.contact .kick{color:#8FB8E4}.contact .kick::before{background:#8FB8E4}
.contact p.lead{color:#BDD2E7;margin-top:16px}
.info{margin-top:30px;display:flex;flex-direction:column;gap:14px}
.info li{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:16px 18px}
.info svg{flex:none;width:22px;height:22px;color:#8FB8E4;margin-top:3px}
.info b{display:block;font-size:12px;letter-spacing:.1em;color:#93AECB;text-transform:uppercase}
.info span{font-size:16px;color:#fff;font-weight:600}
.form{background:#fff;border-radius:18px;padding:30px;color:var(--text);box-shadow:0 30px 70px -26px rgba(0,0,0,.6)}
.form h3{font-size:20px;color:var(--ink)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.fld{display:flex;flex-direction:column;gap:7px}
.fld.full{grid-column:1/-1}
.fld label{font-size:13px;font-weight:600;color:#3C5570}
.fld input,.fld select,.fld textarea{border:1px solid var(--line);border-radius:10px;padding:12px 13px;font:inherit;font-size:15px;color:var(--text);background:#FBFDFF;outline:none;transition:.18s;width:100%}
.fld textarea{min-height:104px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(36,110,185,.14)}
.form .go{margin-top:20px;width:100%;justify-content:center}
.form .note{margin-top:14px;font-size:12.5px;color:var(--muted);text-align:center}
.form .ok{display:none;margin-top:18px;background:#EDF7EE;border:1px solid #BFE3C4;color:#1F6B33;border-radius:10px;padding:13px 15px;font-size:14.5px}
.form .ok.show{display:block}
@media(max-width:980px){.contact .wrap{grid-template-columns:1fr;gap:36px}}
@media(max-width:520px){.form .row{grid-template-columns:1fr}}

/* ---------- cta band ---------- */
.band{background:linear-gradient(135deg,var(--brand),var(--brand-dk));color:#fff;padding:52px 0}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.band h3{font-size:clamp(20px,2.6vw,30px);max-width:660px}
.band p{margin-top:10px;color:#DCEAF8;font-size:15px}
.band .btn{background:#fff;color:var(--brand-dk);box-shadow:0 16px 32px -14px rgba(0,0,0,.4)}
.band .btn:hover{transform:translateY(-2px)}

/* ---------- footer ---------- */
footer{background:#050F1E;color:#93AECB;padding:62px 0 0;font-size:14.5px}
footer .top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
footer .logo .mark{background:linear-gradient(145deg,#153E6E,#0B2545)}
footer .logo .name{color:#fff}
footer h5{color:#fff;font-size:15px;font-weight:700;letter-spacing:.04em;margin:0 0 16px}
footer .desc{margin-top:18px;line-height:1.8;font-size:13.5px;max-width:330px}
footer li{margin-bottom:11px}
footer li a:hover{color:#fff}
footer .fnote{font-size:13.5px;line-height:1.85}
footer .fnote b{color:#fff;font-weight:600}
footer .bar{margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C93AB}
footer .bar a:hover{color:#fff}
footer .bar .lic{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
@media(max-width:980px){footer .top{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:560px){footer .top{grid-template-columns:1fr}}

/* ---------- toTop ---------- */
#toTop{position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;border:none;cursor:pointer;display:grid;place-items:center;opacity:0;pointer-events:none;transition:.25s;z-index:70;box-shadow:var(--shadow-sm)}
#toTop.show{opacity:1;pointer-events:auto}
#toTop:hover{background:var(--brand);transform:translateY(-3px)}

/* ---------- reveal (fails open) ---------- */
.js-ready .rv{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.js-ready .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js-ready .rv{opacity:1;transform:none;transition:none}
  *{transition:none!important}
}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}