:root{
  --primary:#0b1f3a;
  --primary-2:#12355f;
  --accent:#2f80ed;
  --accent-2:#eaf3ff;
  --text:#1f2d3d;
  --muted:#667085;
  --bg:#f5f8fc;
  --white:#ffffff;
  --border:#dbe6f2;
  --shadow:0 10px 30px rgba(11,31,58,.08);
  --radius:18px;
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{
  width:min(var(--max),calc(100% - 32px));
  margin:0 auto;
}

.topbar{
  background:var(--primary);
  color:#dbe8ff;
  font-size:14px;
}
.topbar .container{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:10px 0;
  flex-wrap:wrap;
}

header{
  background:var(--white);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:200;
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:16px 0;
}
.brand{
  font-size:24px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.5px;
}
.brand:hover{text-decoration:none}
.brand small{
  display:block;
  font-size:12px;
  color:var(--muted);
  font-weight:500;
  margin-top:2px;
}

.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
}

.nav-menu{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  align-items:center;
}
.nav-menu a{
  color:var(--text);
  font-weight:600;
  padding:8px 2px;
  border-bottom:2px solid transparent;
}
.nav-menu a:hover{
  text-decoration:none;
  color:var(--accent);
}
.nav-menu a.active{
  color:var(--accent);
  border-bottom-color:var(--accent);
}

.nav-cta{
  display:inline-block;
  padding:10px 16px !important;
  background:var(--accent);
  color:#fff !important;
  border-radius:999px;
  font-weight:700;
  border-bottom:none !important;
}
.nav-cta:hover{
  opacity:.95;
}

.menu-toggle{
  display:none;
  border:1px solid var(--border);
  background:#fff;
  color:var(--primary);
  border-radius:10px;
  padding:10px 14px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
}

.hero{
  background:linear-gradient(135deg,#0b1f3a 0%,#153b68 55%,#1e579b 100%);
  color:#fff;
  padding:72px 0 60px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
  align-items:center;
}
.hero h1{
  font-size:40px;
  line-height:1.2;
  margin:0 0 16px;
}
.hero p{
  color:#deebfa;
  font-size:17px;
  margin:0 0 18px;
}
.company-identity{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:#cfe3fb !important;
}
.hero-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(10px);
  border-radius:20px;
  padding:26px;
  box-shadow:var(--shadow);
}
.hero-card h2{
  margin:0 0 12px;
  font-size:22px;
}
.hero-card ul{
  margin:0;
  padding-left:18px;
  color:#e8f2ff;
}

.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:24px;
}
.quick-nav{
  margin-top:22px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.quick-nav a{
  display:inline-block;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  padding:10px 14px;
  border-radius:999px;
}

.btn{
  display:inline-block;
  padding:13px 20px;
  border-radius:999px;
  font-weight:700;
  transition:.2s ease;
  border:none;
  cursor:pointer;
}
.btn:hover{
  transform:translateY(-1px);
  text-decoration:none;
}
.btn-primary{
  background:#fff;
  color:var(--primary);
}
.btn-secondary{
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  background:rgba(255,255,255,.08);
}
.btn-blue{
  background:var(--accent);
  color:#fff;
}

.section{
  padding:64px 0;
}
.section-title{
  text-align:center;
  margin-bottom:36px;
}
.section-title h2{
  margin:0 0 10px;
  font-size:32px;
  color:var(--primary);
}
.section-title p{
  margin:0;
  color:var(--muted);
}

.company-about-brief{
  padding-top:10px;
}
.company-about-brief p{
  max-width:900px;
  margin:0 auto;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  text-align:center;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.steps{
  counter-reset:step;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.steps-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.card,
.faq-card,
.step{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  height:100%;
}
.card h3,
.faq-card h3,
.step h3{
  margin-top:0;
  color:var(--primary);
}
.tag{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  background:var(--accent-2);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  margin-bottom:12px;
}
.list{
  padding-left:18px;
  margin:0;
}
.list li{
  margin-bottom:8px;
}

.band{
  background:#eef5fd;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}

.step::before{
  counter-increment:step;
  content:counter(step);
  width:34px;
  height:34px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--primary);
  color:#fff;
  font-weight:800;
  margin-bottom:12px;
}

.faq-item{
  padding:16px 0;
  border-top:1px solid var(--border);
}
.faq-item:first-of-type{
  border-top:none;
  padding-top:0;
}
.faq-item h4{
  margin:0 0 8px;
  font-size:17px;
  color:#183b65;
}

.info-list{
  list-style:none;
  padding:0;
  margin:0;
}
.info-list li{
  padding:12px 0;
  border-top:1px solid var(--border);
}
.info-list li:first-child{
  border-top:none;
  padding-top:0;
}

form{
  display:grid;
  gap:14px;
}
label{
  font-weight:700;
  color:#183b65;
}
input,textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:12px;
  font:inherit;
  background:#fff;
}
textarea{
  min-height:140px;
  resize:vertical;
}
.note{
  margin-top:12px;
  font-size:14px;
  color:var(--muted);
}

.table-wrap{
  overflow-x:auto;
  border-radius:18px;
}
table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
th,td{
  padding:16px;
  border:1px solid var(--border);
  text-align:left;
  vertical-align:top;
}
th{
  background:#eef5fd;
  color:var(--primary);
}

.cta-box{
  background:linear-gradient(135deg,#102847,#1b4b82);
  color:#fff;
  border-radius:24px;
  padding:34px;
  box-shadow:var(--shadow);
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:center;
  flex-wrap:wrap;
}
.cta-box h2{
  margin:0 0 10px;
}
.cta-box p{
  margin:0;
  color:#d8e7fb;
}

.highlight-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.highlight-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:24px;
  box-shadow:var(--shadow);
}
.highlight-card h3{
  margin:0 0 10px;
  color:var(--primary);
  font-size:20px;
}
.highlight-card p{
  margin:0;
  color:var(--muted);
}

footer{
  background:var(--primary);
  color:#d9e6f7;
  margin-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr 1fr;
  gap:24px;
  padding:44px 0 26px;
}
footer h3,footer h4{
  color:#fff;
  margin-top:0;
}
footer ul{
  margin:0;
  padding-left:18px;
}
footer a{
  color:#d9e6f7;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:16px 0 28px;
  font-size:14px;
  color:#b8c9df;
}
.footer-company-note{
  margin-top:8px;
  font-size:14px;
  color:#b8c9df;
}
.icp-link{
  color:#b8c9df;
}
.icp-link:hover{
  color:#fff;
}

@media (max-width:980px){
  .hero-grid,
  .grid-3,
  .grid-2,
  .steps,
  .steps-3,
  .footer-grid,
  .highlight-grid{
    grid-template-columns:1fr;
  }

  .nav{
    align-items:center;
  }
  .nav-right{
    width:100%;
    display:block;
  }
  .menu-toggle{
    display:inline-block;
  }
  .nav-menu{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:flex-start;
    padding-top:12px;
    gap:8px;
  }
  .nav-menu.open{
    display:flex;
  }
  .nav-menu a{
    width:100%;
    padding:10px 0;
    border-bottom:none;
  }
  .nav-cta{
    width:auto !important;
  }
  .hero h1{
    font-size:32px;
  }
}

@media (max-width:640px){
  .hero{
    padding:58px 0 48px;
  }
  .hero h1{
    font-size:28px;
  }
  .section{
    padding:48px 0;
  }
  .section-title h2{
    font-size:26px;
  }
  .container{
    width:min(var(--max),calc(100% - 24px));
  }
  .company-identity{
    font-size:14px;
  }
  .company-about-brief p{
    font-size:14px;
  }
  .footer-company-note{
    font-size:13px;
  }
}