:root{
  --navy:#020b18;
  --navy2:#07182e;
  --blue:#0b8cff;
  --cyan:#39d5ff;
  --text:#eaf4ff;
  --muted:#9eb3c9;
  --card:#071a33;
  --line:rgba(82,176,255,.28);
  --white:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color:var(--text);
  background:var(--navy);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:auto}
.nav{
  position:sticky;top:0;z-index:30;
  backdrop-filter: blur(18px);
  background:rgba(2,11,24,.86);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-size:30px;font-weight:800;letter-spacing:-1px}
.logo span{color:var(--blue)}
.logo small{display:block;font-size:14px;font-weight:500;color:var(--cyan);letter-spacing:0}
.menu{display:flex;gap:28px;align-items:center;font-size:14px;color:#dbeaff}
.menu a{opacity:.9}
.menu a:hover,.menu a.active{color:var(--cyan)}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid rgba(99,190,255,.45);
  background:linear-gradient(135deg,var(--blue),#0065d7);
  padding:14px 22px;border-radius:10px;font-weight:700;
  color:white;box-shadow:0 12px 30px rgba(0,124,255,.25);
}
.btn.secondary{background:transparent;box-shadow:none}
.mobile-toggle{display:none;font-size:28px}
.hero{
  min-height:720px;display:grid;align-items:center;position:relative;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(2,11,24,.96),rgba(2,11,24,.65),rgba(2,11,24,.2)),
    url('../images/hero.svg') center/cover no-repeat;
}
.hero h1{font-size:clamp(48px,8vw,92px);line-height:1.02;margin:0 0 20px;letter-spacing:-3px}
.hero h1 span{color:var(--blue)}
.hero p{font-size:20px;max-width:620px;color:#dcecff;line-height:1.6}
.kicker{color:var(--cyan);text-transform:uppercase;letter-spacing:3px;font-size:14px;font-weight:800;margin-bottom:16px}
.actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:32px}
.section{padding:88px 0}
.light{background:linear-gradient(180deg,#f7fbff,#edf5ff);color:#07182e}
.dark{background:radial-gradient(circle at 50% 0%,rgba(20,120,230,.24),transparent 45%),#020b18}
.center{text-align:center}
.section h2{font-size:clamp(34px,5vw,58px);line-height:1.08;margin:0 0 18px;letter-spacing:-1.5px}
.section .lead{max-width:760px;margin:0 auto 42px;color:var(--muted);line-height:1.7;font-size:18px}
.light .lead{color:#536579}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 20px 70px rgba(0,0,0,.18);
}
.light .card{background:white;border-color:#dce9f6;color:#07182e}
.card-body{padding:24px}
.card h3{font-size:22px;line-height:1.15;margin:0 0 12px}
.card p{color:var(--muted);line-height:1.6}
.light .card p{color:#4d6074}
.card-img{height:230px;object-fit:cover;width:100%}
.ecosystem{
  display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:22px;align-items:center;margin-top:44px;
}
.eco-box{
  border:1px solid var(--line);border-radius:28px;padding:30px;text-align:center;background:rgba(255,255,255,.05)
}
.eco-icon{width:86px;height:86px;border-radius:50%;background:white;color:#0a2240;margin:0 auto 18px;display:grid;place-items:center;font-size:34px;font-weight:800}
.plus{font-size:48px;color:var(--cyan)}
.result{
  margin-top:42px;border:1px solid var(--line);border-radius:28px;padding:34px;
  background:linear-gradient(135deg,rgba(11,140,255,.16),rgba(255,255,255,.04));
}
.icon-row{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:24px}
.icon-item{text-align:center;border-left:1px solid var(--line);padding:12px}
.showcase-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.partner-list{display:grid;gap:20px}
.partner-row{
  display:grid;grid-template-columns:40% 1fr;gap:24px;align-items:center;
  background:rgba(255,255,255,.92);color:#07182e;border-radius:24px;overflow:hidden;border:1px solid #dce9f6
}
.partner-row img{height:240px;width:100%;object-fit:cover}
.partner-row ul{margin:12px 0 0;padding-left:20px;color:#44576c;line-height:1.8}
.cta{
  background:
    linear-gradient(90deg,rgba(2,11,24,.92),rgba(2,11,24,.68)),
    url('../images/partners.svg') center/cover no-repeat;
  padding:92px 0;
}
.footer{padding:34px 0;border-top:1px solid rgba(255,255,255,.08);color:var(--muted)}
.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}
.page-hero{padding:96px 0;background:linear-gradient(135deg,#020b18,#062245);text-align:center}
.page-hero h1{font-size:clamp(42px,6vw,76px);margin:0 0 18px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.panel{border:1px solid var(--line);border-radius:24px;padding:30px;background:rgba(255,255,255,.05)}
.form{display:grid;gap:14px}
input,textarea{
  width:100%;padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:white;font:inherit
}
textarea{min-height:150px}
.badges{display:flex;gap:12px;flex-wrap:wrap}
.badge{border:1px solid var(--line);border-radius:999px;padding:10px 14px;color:var(--cyan)}
@media(max-width:900px){
  .menu{display:none;position:absolute;top:76px;left:0;right:0;background:#020b18;padding:20px;flex-direction:column;align-items:flex-start}
  .menu.open{display:flex}
  .mobile-toggle{display:block}
  .hero{min-height:650px}
  .cards,.showcase-grid,.icon-row{grid-template-columns:1fr}
  .ecosystem{grid-template-columns:1fr;gap:14px}
  .plus{transform:rotate(90deg);text-align:center}
  .partner-row,.two-col{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;align-items:flex-start}
}


.visual-preview{
  background:#06172d;
  border:1px solid rgba(82,176,255,.25);
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 30px 90px rgba(0,0,0,.35);
  margin:34px auto;
}
.visual-preview img{
  width:100%;
  height:auto;
  display:block;
}
.preview-note{
  font-size:14px;
  color:var(--muted);
  margin-top:12px;
}
.mockup-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
@media(max-width:900px){
  .mockup-grid{grid-template-columns:1fr}
}

/* 首页效果图区域：上移并压缩空间 */
.homepage-mockup-section{
  padding-top: 30px !important;
  padding-bottom: 40px !important;
  margin-top: -80px !important;
}

.homepage-mockup-section .visual-preview{
  margin-top: 0 !important;
}