:root{
  --bg:#05070c;
  --panel:rgba(255,255,255,.045);
  --line:rgba(150,195,255,.16);
  --silver:#c8d3e6;
  --blue:#4da3ff;
  --violet:#8f7dff;
  --text:#e9eff9;
  --muted:#93a2b8;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:-10%;
  z-index:-2;
  background:
    radial-gradient(circle at 14% 8%, rgba(77,163,255,.22), transparent 44%),
    radial-gradient(circle at 86% 22%, rgba(143,125,255,.18), transparent 46%),
    radial-gradient(circle at 48% 96%, rgba(90,220,255,.14), transparent 52%),
    #05070c;
  animation:aurora 20s ease-in-out infinite alternate;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
}
@keyframes aurora{
  from{transform:translate3d(-2%,-1%,0) scale(1.04)}
  to{transform:translate3d(2%,2%,0) scale(1.12)}
}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,12,.74);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 0;flex-wrap:wrap}
.logo{
  font-size:18px;font-weight:700;letter-spacing:.22em;text-decoration:none;color:#fff;white-space:nowrap;
}
.logo em{font-style:normal;color:var(--blue)}
.nav-links{display:flex;flex-wrap:wrap;gap:6px}
.nav-links a{
  color:var(--silver);text-decoration:none;font-size:14px;
  padding:7px 14px;border-radius:999px;border:1px solid transparent;
  transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(77,163,255,.14);border-color:var(--line)}

/* hero */
.hero{padding:76px 0 60px;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--blue);margin-bottom:16px;
}
.hero h1{
  font-size:clamp(26px,3.2vw,42px);
  line-height:1.3;margin:0 0 20px;font-weight:700;letter-spacing:.01em;
  background:linear-gradient(100deg,#ffffff 20%,#a8c8ff 62%,#dbe6ff 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{color:var(--muted);font-size:16px;margin:0 0 26px;max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.btn{
  display:inline-block;text-decoration:none;font-size:14px;font-weight:600;
  padding:12px 26px;border-radius:999px;border:1px solid var(--line);
  color:var(--silver);background:rgba(255,255,255,.04);transition:all .28s ease;
}
.btn:hover{color:#fff;border-color:rgba(120,180,255,.55);transform:translateY(-2px)}
.btn.primary{
  color:#04101f;border:none;
  background:linear-gradient(120deg,#7ec4ff,#4da3ff 55%,#9f8dff);
  box-shadow:0 10px 30px rgba(77,163,255,.35);
}
.btn.primary:hover{box-shadow:0 14px 38px rgba(120,160,255,.5)}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  font-size:13px;color:var(--silver);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  background:rgba(255,255,255,.03);
}
.hero-visual{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line)}
.hero-visual img{width:100%;display:block;filter:saturate(1.05) contrast(1.03)}
.hero-visual::after{
  content:"";position:absolute;inset:auto -20% -40% -20%;height:70%;
  background:radial-gradient(ellipse at 50% 100%, rgba(77,163,255,.4), transparent 70%);
  pointer-events:none;
}

/* sections */
section{padding:64px 0;position:relative}
.sec-head{margin-bottom:34px;max-width:820px}
.sec-head h2{
  font-size:clamp(21px,2.3vw,30px);margin:0 0 12px;font-weight:700;letter-spacing:.01em;
}
.sec-head p{color:var(--muted);margin:0;font-size:15px}

/* geo */
.geo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.geo-block{
  position:relative;overflow:hidden;
  background:linear-gradient(155deg,rgba(255,255,255,.075),rgba(255,255,255,.018));
  border:1px solid var(--line);border-radius:18px;padding:26px 24px;
  transition:transform .3s ease,border-color .3s ease;
}
.geo-block::after{
  content:"";position:absolute;width:200px;height:200px;right:-70px;top:-80px;
  background:radial-gradient(circle,rgba(77,163,255,.32),transparent 68%);
  filter:blur(8px);pointer-events:none;
}
.geo-block:hover{transform:translateY(-4px);border-color:rgba(120,180,255,.45)}
.geo-block h3{margin:0 0 10px;font-size:15px;letter-spacing:.12em;color:var(--blue);font-weight:700}
.geo-block p{margin:0;color:var(--silver);font-size:14.5px;line-height:1.8}

/* story */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
.story-card{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:20px;padding:30px;
}
.story-card h3{margin:0 0 14px;font-size:19px}
.story-card p{margin:0 0 14px;color:var(--muted);font-size:15px}
.story-card p:last-child{margin-bottom:0}
.story-visual{border-radius:20px;overflow:hidden;border:1px solid var(--line);display:flex;align-items:center}
.story-visual img{width:100%;display:block}

/* stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.stat{
  border:1px solid var(--line);border-radius:18px;padding:28px 24px;
  background:linear-gradient(150deg,rgba(77,163,255,.12),rgba(255,255,255,.02));
  position:relative;overflow:hidden;
}
.stat b{display:block;font-size:36px;line-height:1.1;font-weight:700;
  background:linear-gradient(100deg,#ffffff,#8fbcff);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{display:block;margin-top:10px;color:var(--muted);font-size:14px}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.adv{
  border:1px solid var(--line);border-radius:18px;padding:26px 24px;
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.015));
  transition:transform .3s ease,border-color .3s ease;position:relative;overflow:hidden;
}
.adv:hover{transform:translateY(-5px);border-color:rgba(143,125,255,.5)}
.adv h3{margin:0 0 10px;font-size:16px;color:#fff}
.adv p{margin:0;color:var(--muted);font-size:14.5px}
.adv .num{
  position:absolute;right:18px;top:12px;font-size:44px;font-weight:800;
  color:rgba(120,180,255,.12);line-height:1;
}

/* brands */
.brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.brand{
  border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  background:rgba(255,255,255,.03);transition:.28s ease;
}
.brand:hover{background:rgba(77,163,255,.1);border-color:rgba(120,180,255,.45)}
.brand strong{display:block;font-size:15px;color:#fff;letter-spacing:.04em}
.brand small{color:var(--muted);font-size:12.5px;letter-spacing:.06em}
.brand-visual{margin-top:26px;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.brand-visual img{width:100%;display:block}

/* news */
.news-lead{
  display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;margin-bottom:30px;
  border:1px solid var(--line);border-radius:20px;padding:26px;
  background:linear-gradient(150deg,rgba(143,125,255,.12),rgba(255,255,255,.02));
}
.news-lead img{width:100%;display:block;border-radius:14px}
.news-lead h3{margin:0 0 10px;font-size:19px}
.news-lead p{margin:0;color:var(--muted);font-size:14.5px}
.news-item{
  border:1px solid var(--line);border-radius:18px;padding:26px;
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.012));
  margin-bottom:16px;transition:border-color .28s ease,transform .28s ease;
}
.news-item:hover{border-color:rgba(120,180,255,.45);transform:translateY(-3px)}
.news-item h3{margin:0 0 8px;font-size:17.5px;line-height:1.55;color:#fff}
.news-item time{display:inline-block;font-size:12.5px;letter-spacing:.1em;color:var(--blue);margin-bottom:12px}
.news-item p{margin:0 0 10px;color:var(--silver);font-size:14.5px}
.news-item p:last-child{margin-bottom:0}
.news-item .quote{color:#a9bde0;border-left:2px solid rgba(77,163,255,.55);padding-left:14px}

/* faq */
details{
  border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:12px;
  background:linear-gradient(150deg,rgba(255,255,255,.055),rgba(255,255,255,.014));
  transition:border-color .25s ease;
}
details[open]{border-color:rgba(120,180,255,.45)}
summary{
  cursor:pointer;font-size:15.5px;font-weight:600;color:#fff;
  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--blue);font-size:20px;line-height:1;flex:none}
details[open] summary::after{content:"−"}
details p{margin:14px 0 0;color:var(--muted);font-size:14.8px;line-height:1.85}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
.contact-card{
  border:1px solid var(--line);border-radius:20px;padding:30px;
  background:linear-gradient(155deg,rgba(77,163,255,.1),rgba(255,255,255,.02));
}
.contact-card h3{margin:0 0 16px;font-size:18px}
.contact-card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:14.5px}
.contact-card dt{color:var(--muted)}
.contact-card dd{margin:0;color:#fff}
.contact-visual{border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.contact-visual img{width:100%;display:block}

/* footer */
.site-footer{
  border-top:1px solid var(--line);margin-top:40px;padding:52px 0 26px;
  background:rgba(255,255,255,.018);
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:34px}
.footer-col h4{margin:0 0 14px;font-size:14px;letter-spacing:.18em;color:var(--blue);font-weight:700}
.footer-col p,.footer-col li{color:var(--muted);font-size:13.8px;margin:0 0 8px;list-style:none}
.footer-col ul{padding:0;margin:0}
.footer-col a{color:var(--muted);text-decoration:none;transition:color .25s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--silver);text-decoration:none}
.footer-bottom a:hover{color:#fff}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:34px;padding:52px 0 40px}
  .story-grid,.news-lead,.contact-grid,.footer-grid{grid-template-columns:1fr}
  section{padding:48px 0}
  .header-inner{justify-content:center}
}