:root{
  --navy-900:#0A1A3C; --navy-800:#0B2A5E; --navy-700:#0E3A7A;
  --cyan:#00C2FF; --cyan-soft:#18A8FF; --emerald:#00E0A8; --gold:#C9A86A; --gold-soft:#E4CF9E;
  --ink:#0E1A33; --muted:#5A6B85; --line:#E6EBF3;
  --bg:#FFFFFF; --bg-soft:#F6F8FC; --bg-deep:#08152F;
  --radius:18px; --radius-sm:12px; --shadow:0 18px 50px rgba(10,26,60,.10);
  --shadow-lg:0 30px 80px rgba(10,26,60,.18);
  --maxw:1200px;
  --serif:"Noto Serif SC",Georgia,"Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;font-style:normal;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;font-style:normal;}
ul{list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.18em;color:var(--cyan-soft);font-weight:700;text-transform:uppercase;}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--cyan),var(--gold));}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.25;font-style:normal;}
.section-title{font-size:clamp(28px,4vw,44px);margin:14px 0 16px;font-style:normal;}
.section-sub{color:var(--muted);max-width:660px;font-size:16px;}
.center{text-align:center;}
.center .section-sub{margin:0 auto;}
section{padding:104px 0;position:relative;}
.sec-head{margin-bottom:54px;}

/* NAV */
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s;}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand img{width:36px;height:36px;object-fit:contain;}
.brand .name{font-family:var(--serif);font-weight:900;font-size:21px;color:#fff;letter-spacing:.04em;font-style:normal;}
.brand .name span{color:var(--cyan);}
.brand .name em{font-style:normal;font-weight:400;font-size:12px;color:rgba(255,255,255,.7);margin-left:8px;letter-spacing:.05em;}
.nav-links{display:flex;gap:34px;}
.nav-links a{color:rgba(255,255,255,.82);font-size:15px;font-weight:500;position:relative;transition:.25s;font-style:normal;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:2px;background:var(--cyan);transition:.3s;}
.nav-links a:hover,.nav-links a.active{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-cta{padding:10px 22px;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--cyan-soft));color:#04122b!important;font-weight:700;font-size:14px;box-shadow:0 8px 24px rgba(0,194,255,.35);transition:.25s;}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,194,255,.5);}
header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(10,26,60,.08);}
header.scrolled .brand .name{color:var(--navy-900);}
header.scrolled .brand .name em{color:var(--muted);}
header.scrolled .nav-links a{color:var(--muted);}
header.scrolled .nav-links a:hover,header.scrolled .nav-links a.active{color:var(--navy-900);}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:url('../assets/hero.webp') center/cover no-repeat;transform:scale(1.05);}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,21,47,.92) 0%,rgba(8,21,47,.74) 42%,rgba(8,21,47,.30) 100%);}
.hero .wrap{position:relative;z-index:2;padding-top:90px;padding-bottom:60px;}
.hero h1{font-size:clamp(34px,5.4vw,62px);font-weight:900;margin:18px 0 22px;max-width:880px;font-style:normal;}
.hero h1 .hl{background:linear-gradient(90deg,var(--cyan),var(--gold-soft));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{font-size:clamp(15px,1.6vw,19px);color:rgba(255,255,255,.84);max-width:600px;margin-bottom:34px;font-style:normal;}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;transition:.28s;cursor:pointer;border:0;font-style:normal;}
.btn-primary{background:linear-gradient(90deg,var(--cyan),var(--cyan-soft));color:#04122b;box-shadow:0 12px 34px rgba(0,194,255,.4);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(0,194,255,.55);}
.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);}
.hero-stats{display:flex;gap:42px;margin-top:58px;flex-wrap:wrap;}
.hero-stats .s b{font-family:var(--serif);font-size:38px;font-weight:900;background:linear-gradient(90deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;display:block;line-height:1;font-style:normal;}
.hero-stats .s span{color:rgba(255,255,255,.72);font-size:14px;}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.about-img{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);}
.about-img img{width:100%;height:480px;object-fit:cover;}
.about-img .badge{position:absolute;left:22px;bottom:22px;background:rgba(10,26,60,.82);backdrop-filter:blur(8px);color:#fff;padding:14px 20px;border-radius:14px;border:1px solid rgba(255,255,255,.15);}
.about-img .badge b{font-family:var(--serif);font-size:30px;color:var(--cyan);font-style:normal;}
.about-img .badge span{font-size:13px;color:rgba(255,255,255,.82);}
.about-text p{color:var(--muted);font-size:16px;margin-bottom:18px;font-style:normal;}
.about-text h2{font-size:clamp(26px,3.4vw,38px);margin:6px 0 18px;font-style:normal;}
.feat-list{list-style:none;margin-top:26px;display:grid;gap:14px;}
.feat-list li{display:flex;gap:13px;align-items:flex-start;font-size:15px;color:var(--ink);font-style:normal;}
.feat-list .ic{flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--cyan),var(--navy-700));display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;}

/* SERVICES */
#services{background:var(--bg-soft);}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:.32s;position:relative;overflow:hidden;}
.svc-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--cyan),var(--gold));transform:scaleX(0);transform-origin:left;transition:.4s;}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent;}
.svc-card:hover::before{transform:scaleX(1);}
.svc-ic{width:58px;height:58px;border-radius:14px;background:linear-gradient(135deg,var(--navy-800),var(--navy-700));display:flex;align-items:center;justify-content:center;margin-bottom:22px;}
.svc-ic svg{width:30px;height:30px;stroke:var(--cyan);fill:none;stroke-width:1.8;}
.svc-card h3{font-size:21px;margin-bottom:12px;font-style:normal;}
.svc-card p{color:var(--muted);font-size:14.5px;margin-bottom:18px;font-style:normal;}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;}
.svc-tags span{font-size:12px;color:var(--navy-700);background:var(--bg-soft);border:1px solid var(--line);padding:4px 11px;border-radius:999px;}

/* PROCESS */
#process{background:var(--bg-deep);color:#fff;}
#process .section-title,#process h2{color:#fff;}
#process .section-sub{color:rgba(255,255,255,.65);}
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:20px;}
.proc-step{position:relative;padding:32px 24px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);}
.proc-step .num{font-family:var(--serif);font-size:46px;font-weight:900;color:transparent;-webkit-text-stroke:1.4px var(--cyan);opacity:.75;line-height:1;font-style:normal;}
.proc-step h3{font-size:19px;margin:14px 0 10px;font-style:normal;}
.proc-step p{color:rgba(255,255,255,.66);font-size:14px;font-style:normal;}
.proc-step::after{content:"";position:absolute;top:46px;right:-13px;width:24px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.proc-step:last-child::after{display:none;}

/* CASES */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.case-card{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.32s;}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.case-thumb{height:200px;position:relative;overflow:hidden;}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.case-card:hover .case-thumb img{transform:scale(1.07);}
.case-tag{position:absolute;top:14px;left:14px;background:rgba(10,26,60,.8);color:#fff;font-size:12px;padding:5px 13px;border-radius:999px;backdrop-filter:blur(6px);}
.case-body{padding:24px 26px 28px;}
.case-body h3{font-size:19px;margin-bottom:10px;font-style:normal;}
.case-body p{color:var(--muted);font-size:14px;margin-bottom:18px;font-style:normal;}
.case-metric{display:flex;align-items:baseline;gap:8px;}
.case-metric b{font-family:var(--serif);font-size:30px;color:var(--cyan-soft);font-weight:900;font-style:normal;}
.case-metric span{font-size:13px;color:var(--muted);}

/* STATS BAND */
.stats-band{background:linear-gradient(120deg,var(--navy-900),var(--navy-700));color:#fff;}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;}
.stats-inner .b b{font-family:var(--serif);font-size:clamp(36px,5vw,56px);font-weight:900;background:linear-gradient(90deg,var(--cyan),var(--gold-soft));-webkit-background-clip:text;background-clip:text;color:transparent;display:block;font-style:normal;}
.stats-inner .b span{color:rgba(255,255,255,.72);font-size:14.5px;}

/* CHARTS */
#data{background:var(--bg-soft);}
.chart-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.chart-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow);}
.chart-card h3{font-size:18px;margin-bottom:18px;color:var(--navy-900);font-style:normal;}
.chart-box{position:relative;height:300px;}
.chart-wide{grid-column:1 / -1;}
.chart-wide .chart-box{height:340px;}

/* NEWS */
#news{background:var(--bg);}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.3s;display:flex;gap:0;}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.news-date{flex:0 0 110px;background:linear-gradient(160deg,var(--navy-800),var(--navy-700));color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px 10px;}
.news-date b{font-family:var(--serif);font-size:26px;font-style:normal;}
.news-date span{font-size:12px;color:rgba(255,255,255,.7);margin-top:4px;}
.news-body{padding:22px 26px;}
.news-body .cat{display:inline-block;font-size:12px;color:var(--cyan-soft);font-weight:700;margin-bottom:8px;}
.news-body h3{font-size:18px;margin-bottom:10px;line-height:1.45;font-style:normal;}
.news-body p{color:var(--muted);font-size:14px;font-style:normal;}
.news-body .body{margin-top:12px;color:var(--muted);font-size:14px;line-height:1.8;}
.news-body .more{display:inline-block;margin-top:14px;color:var(--cyan-soft);font-weight:700;font-size:14px;font-style:normal;}
.news-meta{margin-top:14px;font-size:15px;color:var(--muted);font-style:normal;}
.news-meta .cat{display:inline-block;font-size:13px;color:#fff;background:linear-gradient(120deg,var(--navy-800),var(--cyan-soft));padding:3px 12px;border-radius:20px;margin-right:10px;font-weight:600;}
.article{max-width:820px;padding:64px 24px 110px;font-style:normal;}
.article .lead-p{font-size:19px;line-height:1.8;color:var(--navy-800);font-weight:500;margin-bottom:22px;font-style:normal;}
.article p{font-style:normal;line-height:1.95;color:var(--ink);}

/* CONTACT */
#contact{background:var(--bg);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start;}
.contact-info h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:16px;font-style:normal;}
.contact-info p{color:var(--muted);margin-bottom:28px;font-style:normal;}
.info-list{list-style:none;display:grid;gap:18px;}
.info-list li{display:flex;gap:14px;align-items:flex-start;}
.info-list .ic{flex:0 0 42px;width:42px;height:42px;border-radius:12px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;color:var(--navy-700);}
.info-list .ic svg{width:20px;height:20px;stroke:var(--navy-700);fill:none;stroke-width:1.8;}
.info-list b{display:block;font-size:15px;font-style:normal;}
.info-list span{color:var(--muted);font-size:14px;}
.qr{margin-top:26px;display:flex;gap:16px;align-items:center;}
.qr .box{width:110px;height:110px;border-radius:14px;background:linear-gradient(135deg,var(--navy-800),var(--navy-700));display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:12px;text-align:center;}
.qr small{color:var(--muted);}
form{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--navy-700);font-weight:600;margin-bottom:7px;font-style:normal;}
.field input,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:11px;font-family:var(--sans);font-size:14px;background:#fff;transition:.25s;color:var(--ink);font-style:normal;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,194,255,.15);}
.field textarea{resize:vertical;min-height:96px;}
.form-btn{width:100%;justify-content:center;}
.form-hint{margin:12px 2px 0;font-size:13.5px;font-weight:500;min-height:18px;font-style:normal;}
.form-hint.ok{color:#1c7a45;}
.form-hint.err{color:#d8453a;}
.toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);background:var(--navy-900);color:#fff;padding:14px 26px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:.35s;z-index:200;box-shadow:var(--shadow-lg);}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* FOOTER */
footer{background:var(--bg-deep);color:rgba(255,255,255,.7);padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.foot-brand .brand .name{color:#fff;}
.foot-brand p{margin:18px 0;font-size:14px;max-width:300px;color:rgba(255,255,255,.6);font-style:normal;}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-family:var(--sans);font-weight:700;font-style:normal;}
.foot-col a{display:block;color:rgba(255,255,255,.62);font-size:14px;margin-bottom:11px;transition:.2s;font-style:normal;}
.foot-col a:hover{color:var(--cyan);}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:46px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.5);}

/* PAGE HERO (inner pages) */
.page-hero{position:relative;padding:160px 0 70px;background:linear-gradient(120deg,var(--navy-900),var(--navy-700));color:#fff;overflow:hidden;}
.page-hero .eyebrow{color:var(--cyan);}
.page-hero h1{font-size:clamp(30px,4.5vw,50px);font-weight:900;margin:14px 0 12px;font-style:normal;}
.page-hero p{color:rgba(255,255,255,.72);max-width:640px;font-size:16px;font-style:normal;}

/* SERVICE DETAIL */
.svc-detail{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.svc-detail .svc-card{display:flex;flex-direction:column;}
.svc-detail .svc-card p.detail{margin-top:6px;}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:.8s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}

/* RESPONSIVE */
@media(max-width:980px){
  .about-grid,.contact-grid{grid-template-columns:1fr;}
  .svc-grid,.case-grid,.proc-grid{grid-template-columns:repeat(2,1fr);}
  .proc-step::after{display:none;}
  .chart-grid,.news-grid,.svc-detail{grid-template-columns:1fr;}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:30px 16px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:680px){
  .nav-links{display:none;}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;background:#fff;padding:18px 24px;gap:14px;box-shadow:var(--shadow);}
  .nav-links.open a{color:var(--navy-900);}
  .menu-btn{display:block;}
  .svc-grid,.case-grid,.proc-grid,.chart-grid,.news-grid,.svc-detail{grid-template-columns:1fr;}
  section{padding:72px 0;}
  .hero-stats{gap:26px;}
  .foot-grid{grid-template-columns:1fr;}
  .news-card{flex-direction:column;}
  .news-date{flex:none;flex-direction:row;gap:8px;padding:14px 20px;}
}

/* ARTICLE DETAIL (news) */
.article-hero .news-meta{color:rgba(255,255,255,.72);margin-top:10px;font-size:14px;font-style:normal;}
.article-hero .eyebrow{margin-bottom:14px;}
.article{margin:64px auto 90px;max-width:820px;padding:0 24px;}
.article .lead-p{font-size:19px;line-height:1.8;color:var(--navy-700);font-weight:500;margin-bottom:26px;}
.article-body p{margin:0 0 18px;color:var(--ink);font-size:16px;line-height:1.95;font-style:normal;}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin:34px 0 6px;padding-top:22px;border-top:1px solid var(--line);}
.article-nav a{color:var(--navy-700);font-weight:600;font-style:normal;}
.article-nav a:hover{color:var(--cyan);}
@media(max-width:680px){
  .article{margin:40px auto 64px;}
  .article-nav{flex-direction:column;}
}