:root{
  --primary:#1f4aa8;
  --primary-deep:#0f2e72;
  --primary-light:#2e8fd3;
  --ink:#0b1220;
  --muted:#5d6b82;
  --bg:#f5f8fc;
  --line:#dce5f2;
  --card:#ffffff;
  --accent:#e9f4ff;
  --shadow:0 18px 50px rgba(12,39,98,.10);
  --radius:22px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 0 0, rgba(46,143,211,.09), transparent 26%),
    radial-gradient(circle at 100% 0, rgba(31,74,168,.08), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, #f3f8fc 100%);
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 40px),var(--maxw));margin:auto}
.site-header{
  position:sticky;top:0;z-index:1000;
  backdrop-filter: blur(18px);
  background:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(220,229,242,.85);
}
.navbar{
  display:flex;align-items:center;justify-content:space-between;
  min-height:78px;gap:20px;
}
.brand{display:flex;align-items:center;gap:14px;font-weight:700}
.brand img{height:52px;width:auto}
.brand small{display:block;color:var(--muted);font-weight:500;letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nav-links a{
  padding:10px 16px;border-radius:999px;color:#243449;
  transition:.25s ease;
}
.nav-links a.active,.nav-links a:hover{background:var(--accent);color:var(--primary-deep)}
.menu-btn{
  display:none;border:0;background:#fff;padding:10px 12px;border-radius:12px;
  box-shadow:var(--shadow);cursor:pointer
}
.menu-btn span{display:block;width:20px;height:2px;background:#243449;margin:4px 0}
.hero{padding:72px 0 40px}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:34px;align-items:stretch;
}
.hero-copy{
  background:linear-gradient(135deg, rgba(255,255,255,.95), rgba(233,244,255,.9));
  border:1px solid rgba(31,74,168,.08);
  border-radius:34px;padding:44px;box-shadow:var(--shadow);
}
.eyebrow{
  display:inline-flex;gap:10px;align-items:center;
  padding:8px 14px;border-radius:999px;background:#eef6ff;color:var(--primary-deep);
  font-size:14px;font-weight:700;letter-spacing:.03em;margin-bottom:18px;
}
.hero h1{font-size:clamp(32px,5vw,58px);line-height:1.08;margin:0 0 18px}
.hero p.lead{font-size:17px;color:#32435a;margin:0 0 24px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;padding:14px 24px;font-weight:700;transition:.25s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;box-shadow:0 12px 30px rgba(31,74,168,.22)}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--primary-deep)}
.btn:hover{transform:translateY(-1px)}
.hero-visual{
  position:relative;overflow:hidden;border-radius:34px;
  background:linear-gradient(155deg, #0f2e72 0%, #1f4aa8 48%, #2e8fd3 100%);
  color:#fff;padding:36px;box-shadow:var(--shadow);min-height:100%;
}
.hero-visual::before{
  content:"";position:absolute;inset:auto -60px -70px auto;width:240px;height:240px;
  border-radius:50%;background:rgba(255,255,255,.10);filter:blur(2px)
}
.hero-visual::after{
  content:"";position:absolute;inset:28px auto auto -40px;width:170px;height:170px;
  border:1px solid rgba(255,255,255,.2);border-radius:28px;transform:rotate(18deg)
}
.hero-panel{position:relative;z-index:1}
.hero-visual h3{font-size:28px;line-height:1.2;margin:12px 0 10px}
.hero-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.metric{
  background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.16);
  border-radius:22px;padding:18px
}
.metric strong{display:block;font-size:24px;margin-bottom:4px}
.section{padding:28px 0 72px}
.section-head{margin-bottom:26px}
.section-head h2{font-size:clamp(28px,4vw,40px);margin:0 0 8px}
.section-head p{margin:0;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--card);border-radius:var(--radius);padding:28px;border:1px solid rgba(31,74,168,.08);
  box-shadow:var(--shadow)
}
.card h3{margin:0 0 10px;font-size:22px}
.card p{margin:0;color:#3d4d63}
.feature-list{display:grid;gap:12px;padding:0;margin:16px 0 0;list-style:none}
.feature-list li{
  position:relative;padding-left:28px;color:#32435a
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:10px;width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  box-shadow:0 0 0 5px rgba(46,143,211,.12)
}
.band{
  background:linear-gradient(135deg, rgba(31,74,168,.08), rgba(46,143,211,.10));
  border:1px solid rgba(31,74,168,.10);
  border-radius:32px;padding:34px;box-shadow:var(--shadow)
}
.timeline{display:grid;gap:18px}
.timeline-item{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px 22px 18px
}
.timeline-item h4{margin:0 0 10px;font-size:20px}
.timeline-item p{margin:0;color:#3d4d63}
.split{
  display:grid;grid-template-columns:1.02fr .98fr;gap:24px;align-items:start
}
.logo-cloud{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px
}
.logo-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;
  min-height:88px;display:flex;align-items:center;justify-content:center;
  text-align:center;font-weight:700;color:#294261;box-shadow:0 8px 24px rgba(14,32,74,.05)
}
.placeholder{
  display:grid;place-items:center;min-height:260px;
  border:2px dashed rgba(31,74,168,.20);border-radius:24px;
  background:linear-gradient(135deg,#f9fcff,#eef6ff);color:var(--muted);text-align:center;padding:24px
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  background:#fff;border-radius:24px;padding:22px;border:1px solid var(--line);box-shadow:var(--shadow)
}
.stat strong{display:block;font-size:30px;color:var(--primary-deep);line-height:1.1}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.job-list,.benefit-list{columns:2;gap:24px;padding:0;margin:16px 0 0;list-style:none}
.job-list li,.benefit-list li{break-inside:avoid;margin:0 0 12px;padding-left:22px;position:relative}
.job-list li::before,.benefit-list li::before{
  content:"•";position:absolute;left:0;top:0;color:var(--primary)
}
.contact-box{
  background:#fff;border:1px solid rgba(31,74,168,.08);
  border-radius:28px;padding:30px;box-shadow:var(--shadow)
}
.kv{display:grid;gap:14px}
.kv div{
  padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,#f8fbff,#eef6ff);
  border:1px solid var(--line)
}
.kv strong{display:block;font-size:14px;color:var(--muted);margin-bottom:4px}
.footer{
  padding:26px 0 42px;color:#51617a
}
.footer-inner{
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  border-top:1px solid rgba(220,229,242,.9);padding-top:24px
}
.page-banner{
  padding:52px 0 18px
}
.page-banner-box{
  background:linear-gradient(135deg, rgba(15,46,114,.97), rgba(46,143,211,.92));
  border-radius:30px;padding:36px;color:#fff;box-shadow:var(--shadow)
}
.page-banner h1{font-size:clamp(30px,4vw,48px);margin:0 0 8px}
.page-banner p{margin:0;max-width:760px;color:rgba(255,255,255,.88)}
.content-stack{display:grid;gap:22px}
.service-block{
  background:#fff;border-radius:26px;padding:28px;border:1px solid var(--line);box-shadow:var(--shadow)
}
.service-block h3{margin:0 0 10px;font-size:26px}
.sub-block{
  margin-top:18px;padding:20px 20px 10px;border-radius:20px;background:#f8fbff;border:1px solid #e2ecf8
}
.sub-block h4{margin:0 0 10px;font-size:20px;color:var(--primary-deep)}
.sub-block p{margin:0 0 12px;color:#33445c}
.note{
  margin-top:12px;padding:16px 18px;border-radius:18px;
  background:linear-gradient(135deg,#edf6ff,#f7fbff);border:1px solid var(--line);color:#31435b
}
@media (max-width: 980px){
  .hero-grid,.split,.contact-grid,.card-grid,.stat-grid{grid-template-columns:1fr 1fr}
  .logo-cloud{grid-template-columns:repeat(3,1fr)}
}
@media (max-width: 760px){
  .container{width:min(calc(100% - 28px),var(--maxw))}
  .navbar{min-height:72px}
  .brand img{height:60px}
  .menu-btn{display:block}
  .nav-links{
    display:none;position:absolute;left:14px;right:14px;top:76px;padding:12px;
    background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow);flex-direction:column;align-items:stretch
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .hero{padding-top:34px}
  .hero-grid,.split,.contact-grid,.card-grid,.stat-grid,.hero-metrics{grid-template-columns:1fr}
  .hero-copy,.hero-visual,.page-banner-box,.band,.contact-box{padding:26px}
  .logo-cloud{grid-template-columns:repeat(2,1fr)}
  .job-list,.benefit-list{columns:1}
  .footer-inner{flex-direction:column;align-items:flex-start}
}