:root{
  --bg:#f3f8ff; --bg2:#eaf3ff; --card:#ffffff; --ink:#0e2440; --muted:#5a708c;
  --blue:#2f7bff; --blue2:#5b9cff; --blue-d:#1c5fe0; --line:#e3edfb;
  --gold:#c9a24b; --gold2:#e4c073; --ok:#16b67a; --shadow:0 18px 50px rgba(31,99,224,.10);
  --radius:22px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:
   radial-gradient(1200px 600px at 80% -10%, #e6f0ff 0, transparent 60%),
   radial-gradient(900px 500px at 0% 10%, #eaf4ff 0, transparent 55%),
   var(--bg);
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;
  font-size:15px;cursor:pointer;border:none;transition:.25s;letter-spacing:.3px}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 12px 28px rgba(47,123,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(47,123,255,.45)}
.btn-ghost{background:#fff;color:var(--blue);border:1.5px solid var(--line);box-shadow:var(--shadow)}
.btn-ghost:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#3a2c08;box-shadow:0 12px 28px rgba(201,162,75,.35)}
.btn-gold:hover{transform:translateY(-2px)}

/* NAV */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(255,255,255,.72);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:18px;height:70px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;letter-spacing:.5px}
.logo .mk{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));
  display:grid;place-items:center;color:#fff;font-size:20px;box-shadow:0 8px 18px rgba(47,123,255,.4)}
.logo small{display:block;font-size:11px;color:var(--muted);font-weight:600;letter-spacing:1px}
.nav-links{margin-left:auto;display:flex;gap:6px}
.nav-links a{padding:9px 15px;border-radius:10px;font-size:14.5px;color:var(--muted);font-weight:600;transition:.2s}
.nav-links a:hover{color:var(--blue);background:var(--bg2)}
.nav-cta{margin-left:8px}

/* HERO */
.hero{position:relative;padding:84px 0 70px;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-20% -10% auto -10%;height:520px;
  background:radial-gradient(600px 300px at 70% 0,#cfe2ff,transparent 70%),
             radial-gradient(500px 280px at 15% 20%,#dbeafe,transparent 70%);filter:blur(6px);z-index:0}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  padding:7px 15px;border-radius:999px;font-size:13px;color:var(--blue);font-weight:700;box-shadow:var(--shadow)}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(22,182,122,.18)}
.hero h1{font-size:clamp(34px,4.6vw,58px);line-height:1.12;margin:20px 0 16px;font-weight:900;letter-spacing:-.5px}
.hero h1 .grad{background:linear-gradient(135deg,var(--blue),#7aa9ff 60%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-stats{display:flex;gap:30px;flex-wrap:wrap}
.hero-stats .st b{font-size:28px;font-weight:900;color:var(--ink);display:block;line-height:1.1}
.hero-stats .st span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.float-card{position:absolute;background:#fff;border-radius:18px;padding:16px 18px;box-shadow:var(--shadow);
  border:1px solid var(--line);display:flex;align-items:center;gap:12px;animation:float 6s ease-in-out infinite}
.float-card .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:20px;color:#fff}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.fc1{top:6%;left:-4%;animation-delay:0s}.fc1 .ic{background:linear-gradient(135deg,#2f7bff,#5b9cff)}
.fc2{top:42%;right:-6%;animation-delay:1.5s}.fc2 .ic{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#3a2c08}
.fc3{bottom:4%;left:8%;animation-delay:3s}.fc3 .ic{background:linear-gradient(135deg,#16b67a,#4fd6a0)}
.hero-panel{background:linear-gradient(160deg,#ffffff,#f4f9ff);border:1px solid var(--line);border-radius:26px;
  padding:26px;box-shadow:var(--shadow);position:relative;z-index:2}
.hero-panel .badge-row{display:flex;gap:10px;margin-bottom:14px}
.b2b-badge{flex:1;text-align:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 8px}
.b2b-badge b{display:block;font-size:15px;font-weight:800}.b2b-badge span{font-size:11px;color:var(--muted)}

/* SECTION */
section.block{padding:74px 0;position:relative}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-tag{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--blue);text-transform:uppercase}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);margin:10px 0 12px;font-weight:900;letter-spacing:-.4px}
.sec-head p{color:var(--muted);font-size:16px}

/* BRAND cards */
.brand-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.brand-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;transition:.3s}
.brand-card:hover{transform:translateY(-6px);box-shadow:0 26px 60px rgba(31,99,224,.16)}
.brand-card:before{content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--blue),var(--blue2))}
.brand-card.gold:before{background:linear-gradient(90deg,var(--gold),var(--gold2))}
.brand-logo{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;font-size:30px;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--blue2));box-shadow:0 12px 24px rgba(47,123,255,.35);margin-bottom:18px}
.brand-card.gold .brand-logo{background:linear-gradient(135deg,var(--gold),var(--gold2))}
.brand-card h3{font-size:23px;font-weight:900;margin-bottom:4px}
.slogan{color:var(--blue);font-weight:700;font-size:14px;margin-bottom:16px}
.brand-card.gold .slogan{color:var(--gold)}
.brand-card p.desc{color:var(--muted);font-size:14.5px;margin-bottom:18px}
.brand-meta{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:var(--ink)}
.brand-meta div{display:flex;gap:8px;align-items:center}
.brand-meta .k{color:var(--muted);min-width:54px}
.brand-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{background:var(--bg2);color:var(--blue);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:600}

/* SERVICE cards */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
  transition:.3s;position:relative;overflow:hidden}
.svc-card:hover{transform:translateY(-6px)}
.svc-ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:26px;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--blue2));box-shadow:0 12px 22px rgba(47,123,255,.3);margin-bottom:16px}
.svc-card h4{font-size:19px;font-weight:800;margin-bottom:8px}
.svc-card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.svc-card .more{color:var(--blue);font-weight:700;font-size:13.5px}

/* PRODUCT MALL */
.mall-bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:space-between;margin-bottom:22px}
.search{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 18px;box-shadow:var(--shadow);min-width:280px}
.search input{border:none;outline:none;font-size:14.5px;background:transparent;width:100%;color:var(--ink)}
.search .si{color:var(--blue);margin-right:8px}
.chips{display:flex;gap:9px;flex-wrap:wrap}
.chip{padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:700;
  color:var(--muted);cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.active{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;border-color:transparent;box-shadow:0 10px 22px rgba(47,123,255,.3)}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);
  cursor:pointer;transition:.28s;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(31,99,224,.18)}
.prod .ph{aspect-ratio:1/1;background:linear-gradient(135deg,#eef4ff,#e3edff);display:grid;place-items:center;overflow:hidden;position:relative}
.prod .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.prod:hover .ph img{transform:scale(1.06)}
.prod .pb{padding:14px 15px}
.prod .pb .cat{font-size:11.5px;color:var(--blue);font-weight:700;background:var(--bg2);border-radius:6px;padding:2px 8px;display:inline-block;margin-bottom:7px}
.prod .pb .nm{font-size:14.5px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod .pb .go{margin-top:10px;font-size:12.5px;color:var(--muted);font-weight:600}

/* SUPPLY wall */
.supply-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sup{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow);transition:.25s}
.sup:hover{transform:translateY(-4px)}
.sup .top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.sup .av{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--blue),var(--blue2))}
.sup .who b{font-size:14.5px;display:block}.sup .who span{font-size:12px;color:var(--muted)}
.sup .type{margin-left:auto;font-size:11.5px;font-weight:800;padding:4px 10px;border-radius:999px}
.sup .type.s{background:#eafaf2;color:var(--ok)}.sup .type.b{background:#fff4e6;color:#e08a1e}
.sup p{color:var(--ink);font-size:14px}
.sup .foot{margin-top:12px;font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between}

/* PROMO / contact */
.promo-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
.pay-card{background:linear-gradient(160deg,#0e2440,#16335c);border-radius:var(--radius);padding:38px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.pay-card:before{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(91,156,255,.4),transparent 70%)}
.pay-card h3{font-size:24px;font-weight:900;margin-bottom:10px;position:relative}
.pay-card p{color:#c7d6ee;font-size:14.5px;margin-bottom:20px;position:relative}
.acct{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:18px;position:relative}
.acct .row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:14.5px}
.acct .row:last-child{border-bottom:none}
.acct .row b{color:#fff;font-weight:800;letter-spacing:.5px}
.note{font-size:12.5px;color:#9fb6d6;margin-top:14px;position:relative}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.contact-card h3{font-size:20px;font-weight:900;margin-bottom:18px}
.ci{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line)}
.ci:last-child{border-bottom:none}
.ci .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue2));flex-shrink:0}
.ci .t b{display:block;font-size:14.5px}.ci .t span{font-size:13px;color:var(--muted)}

/* FOOTER */
footer{background:linear-gradient(180deg,#0e2440,#102a4d);color:#c7d6ee;padding:54px 0 26px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:34px}
.foot-grid h5{color:#fff;font-size:15px;margin-bottom:14px;font-weight:800}
.foot-grid a,.foot-grid p{color:#9fb6d6;font-size:13.5px;display:block;padding:4px 0}
.foot-grid a:hover{color:#fff}
.foot-brand .logo{color:#fff;margin-bottom:12px}
.foot-brand p{font-size:13.5px;line-height:1.7}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#7e97bd}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(14,36,64,.55);backdrop-filter:blur(4px);z-index:100;display:none;
  align-items:center;justify-content:center;padding:20px}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:22px;max-width:560px;width:100%;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.3);
  animation:pop .25s ease}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal-box .mh{aspect-ratio:16/9;background:linear-gradient(135deg,#eef4ff,#e3edff);display:grid;place-items:center;position:relative}
.modal-box .mh img{width:100%;height:100%;object-fit:cover}
.modal-box .mb{padding:24px}
.modal-box .mb .cat{font-size:12px;color:var(--blue);font-weight:800;background:var(--bg2);padding:3px 10px;border-radius:6px}
.modal-box .mb h3{font-size:22px;font-weight:900;margin:12px 0}
.modal-box .mb p{color:var(--muted);font-size:14px;margin-bottom:18px}
.modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.9);
  border:none;font-size:18px;cursor:pointer;color:#0e2440;box-shadow:var(--shadow)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:980px){
  .hero-grid,.brand-grid,.promo-grid{grid-template-columns:1fr}
  .svc-grid,.supply-grid{grid-template-columns:1fr 1fr}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media(max-width:620px){
  .svc-grid,.supply-grid,.prod-grid{grid-template-columns:1fr 1fr}
  .hero-stats{gap:18px}.hero-stats .st b{font-size:22px}
}