:root{
  --bg:#07111f;
  --bg-2:#0a1830;
  --panel:#0f1e3b;
  --panel-2:#10254a;
  --primary:#155efb;
  --primary-2:#7aa8ff;
  --text:#f4f8ff;
  --muted:#b8c7e6;
  --line:rgba(122,168,255,.22);
  --shadow:0 24px 80px rgba(0,0,0,.28);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:
    radial-gradient(circle at 80% 10%, rgba(21,94,251,.14), transparent 28%),
    radial-gradient(circle at 10% 35%, rgba(122,168,255,.10), transparent 25%),
    var(--bg);
  color:var(--text);
  line-height:1.7;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px, calc(100% - 40px)); margin:0 auto}

.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(7,17,31,.78);
  backdrop-filter: blur(18px);
  border-bottom:1px solid rgba(122,168,255,.12);
}
.nav-wrap{
  height:82px; display:flex; align-items:center; justify-content:space-between; gap:22px;
}
.brand{
  display:flex; align-items:center; gap:14px; min-width:0;
}
.brand img{
  width:54px; height:54px; object-fit:contain; border-radius:14px;
  background:#fff; padding:4px; box-shadow:0 8px 28px rgba(21,94,251,.18);
}
.brand-text strong{
  display:block; font-size:18px; line-height:1.1;
}
.brand-text span{
  display:block; color:var(--muted); font-size:12px;
}
.main-nav{
  display:flex; gap:30px; color:#d7e3fb; font-size:15px;
}
.main-nav a{opacity:.88; transition:.2s}
.main-nav a:hover{opacity:1; color:#fff}
.nav-cta,.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 20px; border-radius:999px; font-weight:700; transition:.25s ease;
}
.nav-cta{
  background:linear-gradient(135deg,var(--primary),#3a78ff);
  color:#fff;
  box-shadow:0 12px 34px rgba(21,94,251,.25);
}
.menu-btn{
  display:none; background:none; border:none; color:#fff; font-size:26px; line-height:1;
}

.hero{
  position:relative; min-height:880px; overflow:hidden; display:flex; align-items:center;
}
.hero-bg{
  position:absolute; inset:0;
  background-image:linear-gradient(90deg, rgba(7,17,31,.95), rgba(7,17,31,.72)), url("assets/hero-bg.svg");
  background-size:cover; background-position:center;
}
.hero::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:170px;
  background:linear-gradient(transparent, var(--bg));
}
.hero-grid{
  position:relative; z-index:2;
  display:grid; grid-template-columns:1.08fr .92fr; gap:56px; align-items:center;
  padding:86px 0 110px;
}
.hero-topline,.section-kicker,.section-title span{
  color:var(--primary-2); font-weight:800; letter-spacing:.08em; text-transform:uppercase; font-size:14px;
}
.free-flag{
  display:inline-flex; align-items:center; justify-content:center;
  margin:18px 0 18px; padding:12px 22px; border-radius:999px;
  background:linear-gradient(135deg,var(--primary),#3a78ff);
  color:#fff; font-size:18px; font-weight:900; letter-spacing:.03em;
  box-shadow:0 18px 40px rgba(21,94,251,.30);
}
h1,h2,h3,p{margin-top:0}
h1{
  font-size:78px; line-height:1.06; margin:0 0 20px; letter-spacing:-.04em;
}
h1 span{
  color:var(--primary-2);
}
.hero-subtitle{
  font-size:28px; line-height:1.4; color:#fff; font-weight:700; margin-bottom:14px;
}
.hero-desc{
  font-size:18px; color:var(--muted); max-width:660px;
}
.hero-points{
  display:flex; flex-wrap:wrap; gap:12px; margin:24px 0 30px;
}
.hero-points span,.contact-badges span,.highlight-right div{
  padding:10px 14px; border-radius:999px;
  background:rgba(21,94,251,.10);
  border:1px solid rgba(122,168,255,.24);
  color:#dbe7ff; font-size:14px;
}
.hero-actions{
  display:flex; gap:16px; flex-wrap:wrap;
}
.btn.primary{
  background:linear-gradient(135deg,var(--primary),#3a78ff);
  color:#fff; box-shadow:0 18px 46px rgba(21,94,251,.25);
}
.btn.secondary{
  background:rgba(255,255,255,.06); border:1px solid rgba(122,168,255,.18); color:#fff;
}
.btn:hover,.nav-cta:hover{transform:translateY(-2px)}

.hero-panel{
  display:grid; gap:22px;
}
.hero-mini-card,.hero-free-card,.problem-card,.service-card,.statement-card,.highlight-card,.qr-card{
  background:linear-gradient(180deg,rgba(16,37,74,.82),rgba(11,23,42,.94));
  border:1px solid rgba(122,168,255,.18);
  border-radius:28px;
  box-shadow:var(--shadow);
}
.hero-mini-card{
  padding:24px;
}
.mini-title{
  font-size:18px; font-weight:800; margin-bottom:16px;
}
.mini-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:14px;
}
.mini-box{
  padding:18px; border-radius:18px;
  background:rgba(255,255,255,.04); border:1px solid rgba(122,168,255,.12);
}
.mini-box b{display:block; font-size:16px; margin-bottom:6px}
.mini-box span{display:block; font-size:13px; color:var(--muted)}
.hero-free-card{
  padding:28px;
  background:linear-gradient(135deg, rgba(21,94,251,.20), rgba(58,120,255,.08));
}
.hero-free-card small{
  display:block; color:var(--primary-2); letter-spacing:.12em; font-weight:800; margin-bottom:10px;
}
.hero-free-card h3{
  font-size:34px; line-height:1.2; margin:0 0 10px;
}
.hero-free-card p{color:#d9e5ff; font-size:17px; margin-bottom:0}

.section{padding:96px 0}
.section-title{text-align:center; max-width:820px; margin:0 auto 56px}
.section-title h2,.split h2,.highlight-card h2,.contact h2{
  font-size:44px; line-height:1.2; margin:10px 0 14px; letter-spacing:-.03em;
}
.section-title p,.split p,.highlight-card p,.contact p{
  color:var(--muted); font-size:17px;
}

.problem-grid,.service-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.problem-card,.service-card{
  padding:28px;
}
.problem-card b{color:var(--primary-2); font-size:26px}
.problem-card h3,.service-card h3{
  font-size:22px; line-height:1.35; margin:16px 0 10px;
}
.problem-card p,.service-card p{color:var(--muted); margin-bottom:0}

.highlight{
  padding-top:0;
}
.highlight-card{
  padding:40px;
  display:grid; grid-template-columns:1.1fr .9fr; gap:30px; align-items:center;
  background:
    linear-gradient(135deg, rgba(21,94,251,.18), rgba(58,120,255,.06)),
    linear-gradient(180deg,rgba(16,37,74,.82),rgba(11,23,42,.94));
}
.highlight-left span{
  display:inline-block; color:var(--primary-2); font-size:14px; font-weight:800; letter-spacing:.08em; margin-bottom:8px;
}
.highlight-right{
  display:grid; grid-template-columns:1fr 1fr; gap:12px;
}
.highlight-right div{
  text-align:center; font-weight:700; border-radius:18px; padding:18px 12px;
}

.position{
  background:linear-gradient(180deg, rgba(255,255,255,0), rgba(21,94,251,.03), rgba(255,255,255,0));
}
.split{
  display:grid; grid-template-columns:1.06fr .94fr; gap:58px; align-items:center;
}
.check-list{
  list-style:none; padding:0; margin:26px 0 0;
}
.check-list li{
  position:relative; padding-left:32px; margin:14px 0; color:#d6e1fa;
}
.check-list li::before{
  content:"✓"; position:absolute; left:0; top:0; color:var(--primary-2); font-weight:900;
}
.statement-card{
  padding:38px; border-radius:30px;
}
.statement-card h3{font-size:28px}
.statement-card p{font-size:24px; line-height:1.5; color:#fff; font-weight:700}
.statement-lines{
  display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-top:24px;
}
.statement-lines span{
  padding:14px; border-radius:16px; background:rgba(21,94,251,.08); border:1px solid rgba(122,168,255,.16); text-align:center; color:#e7eeff;
}
.service-card .icon{
  width:58px; height:58px; border-radius:18px;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--primary),#3a78ff);
  color:#fff; font-size:25px; font-weight:900;
}

.ecosystem-wrap{
  position:relative; height:520px; overflow:hidden;
  border-radius:36px; border:1px solid rgba(122,168,255,.18);
  background:radial-gradient(circle at 50% 50%, rgba(21,94,251,.16), transparent 24%), rgba(11,23,42,.85);
}
.eco-lines{
  position:absolute; inset:0; width:100%; height:100%;
  stroke:rgba(122,168,255,.32); stroke-width:2; fill:none;
}
.eco-center,.eco-item{
  position:absolute; z-index:2; left:50%; top:50%; transform:translate(-50%,-50%);
  display:flex; align-items:center; justify-content:center; text-align:center;
  border:1px solid rgba(122,168,255,.22); box-shadow:0 0 30px rgba(21,94,251,.14);
}
.eco-center{
  width:160px; height:160px; border-radius:50%;
  background:linear-gradient(135deg,#174ccb,#10254a);
  color:#fff; font-size:26px; font-weight:900;
}
.eco-item{
  width:150px; height:54px; border-radius:999px;
  background:#10254a; color:#e7eeff;
}
.item-1{left:19%;top:18%}
.item-2{left:79%;top:18%}
.item-3{left:16%;top:79%}
.item-4{left:82%;top:79%}
.item-5{left:50%;top:10%}
.item-6{left:50%;top:90%}
.item-7{left:25%;top:51%}

.contact-grid{
  display:grid; grid-template-columns:1fr 360px; gap:54px; align-items:center;
}
.contact-badges{
  display:flex; flex-wrap:wrap; gap:12px; margin:24px 0;
}
.contact-info p{margin:10px 0}
.qr-card{
  padding:28px; text-align:center;
}
.qr-card img{
  width:250px; margin:0 auto 18px; border-radius:18px; background:#fff; padding:10px;
}
.qr-card h3{
  font-size:24px; margin:0 0 8px;
}
.qr-card p{margin:0; color:var(--muted)}

.site-footer{
  background:#060d18; border-top:1px solid rgba(122,168,255,.12); padding:42px 0 26px;
}
.footer-grid{
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.footer-brand{
  display:flex; align-items:center; gap:14px;
}
.footer-brand img{
  width:56px; height:56px; object-fit:contain; border-radius:14px; background:#fff; padding:4px;
}
.footer-brand strong{display:block; font-size:18px}
.footer-brand p{margin:2px 0 0; color:var(--muted)}
.footer-links{
  display:flex; gap:24px; color:#d7e3fb; flex-wrap:wrap;
}
.footer-bottom{
  display:flex; justify-content:space-between; gap:20px;
  margin-top:26px; padding-top:20px; border-top:1px solid rgba(255,255,255,.06);
  color:#91a6d8; font-size:14px;
}

.reveal{opacity:0; transform:translateY(24px); transition:opacity .8s ease, transform .8s ease}
.reveal.show{opacity:1; transform:none}
.delay-1{transition-delay:.12s}
.delay-2{transition-delay:.22s}
.delay-3{transition-delay:.32s}

@media(max-width:980px){
  .container{width:min(100% - 28px, 1180px)}
  .menu-btn{display:block}
  .main-nav{
    position:absolute; left:14px; right:14px; top:82px;
    display:none; flex-direction:column; gap:14px;
    padding:18px; border-radius:18px;
    background:rgba(7,17,31,.98); border:1px solid rgba(122,168,255,.14);
  }
  .main-nav.open{display:flex}
  .nav-cta{display:none}
  .hero{min-height:auto}
  .hero-grid,.split,.contact-grid,.highlight-card{grid-template-columns:1fr}
  .hero-grid{padding:72px 0 94px; gap:28px}
  h1{font-size:56px}
  .hero-subtitle{font-size:22px}
  .mini-grid,.problem-grid,.service-grid,.highlight-right{grid-template-columns:1fr}
  .section{padding:72px 0}
  .section-title h2,.split h2,.highlight-card h2,.contact h2{font-size:34px}
  .ecosystem-wrap{height:640px}
  .eco-center{width:138px;height:138px;font-size:22px}
  .eco-item{width:132px;font-size:14px}
  .item-1{left:28%;top:13%}
  .item-2{left:72%;top:13%}
  .item-3{left:25%;top:82%}
  .item-4{left:75%;top:82%}
  .item-5{left:50%;top:28%}
  .item-6{left:50%;top:72%}
  .item-7{left:50%;top:90%}
  .eco-lines{display:none}
  .footer-grid,.footer-bottom{flex-direction:column; align-items:flex-start}
}
@media(max-width:560px){
  .brand-text span{display:none}
  .brand img,.footer-brand img{width:48px;height:48px}
  h1{font-size:46px}
  .free-flag{font-size:16px}
  .hero-desc{font-size:16px}
  .hero-points span,.contact-badges span{font-size:13px}
  .section-title h2,.split h2,.highlight-card h2,.contact h2{font-size:30px}
  .hero-free-card h3{font-size:28px}
}