:root{
  --bg:#0a3f98;
  --bg-deep:#082e75;
  --bg-soft:#0f58c6;
  --tint:#f3f8ff;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#5d6d86;
  --line:#d8e4f5;
  --line-strong:#bfd4f3;
  --cyan:#6fe1ff;
  --sky:#8fdcff;
  --blue:#3b82f6;
  --blue-deep:#1d4ed8;
  --indigo:#5b7cff;
  --white:#ffffff;
  --success:#10b981;
  --shadow:0 18px 48px rgba(12,53,124,.12);
  --shadow-soft:0 12px 28px rgba(15,23,42,.08);
  --radius:26px;
  --container:min(1180px, calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font:16px/1.7 "Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  background:#fff;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,textarea{font:inherit}
.container{width:var(--container);margin:0 auto}
.section{padding:92px 0}
.section-sm{padding:68px 0}
.section-tint{background:linear-gradient(180deg,#f6faff 0%,#ffffff 100%)}
.section-soft{background:#f7fbff}
.section-dark{
  background:
    radial-gradient(circle at top left, rgba(111,225,255,.15), transparent 24%),
    radial-gradient(circle at bottom right, rgba(91,124,255,.12), transparent 32%),
    linear-gradient(180deg,#0a3f98 0%, #0b57c0 100%);
  color:#fff;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  background:#eaf3ff;
  color:#1d4ed8;
}
.eyebrow.dark{
  background:rgba(255,255,255,.12);
  color:#d8fbff;
  border:1px solid rgba(255,255,255,.12);
}
.section-title{
  margin:18px 0 0;
  font-size:clamp(30px,4vw,50px);
  line-height:1.12;
  letter-spacing:-.03em;
}
.section-desc{
  margin:18px 0 0;
  max-width:780px;
  color:var(--muted);
  font-size:18px;
}
.section-dark .section-desc{color:rgba(255,255,255,.76)}
.topbar{
  background:linear-gradient(90deg,#09357f 0%, #0f57c0 100%);
  color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.topbar-inner{
  width:var(--container);
  margin:0 auto;
  min-height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:14px;
}
.topbar a{color:#cbf7ff}
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(15,23,42,.08);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 36px rgba(15,23,42,.08)}
.site-header .inner{
  width:var(--container);
  margin:0 auto;
  min-height:80px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
}
.brand img{width:52px;height:52px}
.brand-title{font-size:20px;font-weight:800;letter-spacing:-.03em}
.brand-sub{margin-top:2px;color:var(--muted);font-size:13px}
.desktop-nav{display:flex;align-items:center;gap:24px}
.desktop-nav a{color:#334155;font-weight:600;font-size:15px;position:relative}
.desktop-nav a.active,.desktop-nav a:hover{color:#0f172a}
.desktop-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:3px;border-radius:999px;
  background:linear-gradient(90deg,#3b82f6,#6fe1ff);
}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:46px;height:46px;border:1px solid rgba(15,23,42,.12);border-radius:14px;background:#fff;cursor:pointer;font-size:20px;
}
.mobile-panel{display:none;border-top:1px solid rgba(15,23,42,.08);background:#fff}
.mobile-panel.open{display:block}
.mobile-panel .container{padding:14px 0 18px;display:grid;gap:10px}
.mobile-panel a{padding:12px 14px;border-radius:14px;background:#f8fafc;font-weight:600}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 22px;border-radius:16px;border:1px solid transparent;font-weight:700;transition:.25s ease;cursor:pointer
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,#7ce6ff 0%, #4aa8ff 52%, #5b7cff 100%);color:#06224d}
.btn-dark{background:linear-gradient(135deg,#0c49a6 0%, #2563eb 100%);color:#fff}
.btn-light{background:#fff;color:#0f172a;border-color:rgba(15,23,42,.1)}
.btn-outline{color:#fff;border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.06)}
.btn-outline-dark{color:#0f172a;border-color:rgba(15,23,42,.15);background:#fff}
.btn-link{padding:0;min-height:auto;background:none;color:#0f57c0}
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 14% 18%, rgba(111,225,255,.24), transparent 26%),
    radial-gradient(circle at 85% 16%, rgba(91,124,255,.24), transparent 30%),
    radial-gradient(circle at 76% 84%, rgba(75,211,255,.15), transparent 26%),
    linear-gradient(180deg,#0a3e98 0%, #0d5ed0 100%);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;padding:74px 0 92px}
.hero h1{margin:18px 0 0;font-size:clamp(38px,5vw,66px);line-height:1.02;letter-spacing:-.045em}
.hero p{margin:22px 0 0;max-width:760px;color:rgba(255,255,255,.8);font-size:19px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-tags{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}
.tag{padding:11px 14px;border-radius:999px;background:rgba(255,255,255,.12);color:#eff6ff;border:1px solid rgba(255,255,255,.12);font-size:14px;font-weight:600}
.hero-card{
  position:relative;padding:30px;border-radius:34px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(12,53,124,.24);backdrop-filter:blur(14px)
}
.hero-card::before{
  content:"";position:absolute;inset:0;border-radius:34px;background:linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,0));pointer-events:none
}
.hero-brand{display:flex;align-items:center;gap:18px}
.hero-brand img{width:82px;height:82px;filter:drop-shadow(0 12px 20px rgba(0,0,0,.22))}
.hero-brand h2{margin:0;font-size:30px;line-height:1.1}
.hero-brand p{margin:6px 0 0;color:#cfe8ff;font-size:15px}
.hero-stats{margin-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.stat{padding:18px 16px;border-radius:22px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1)}
.stat strong{display:block;font-size:24px}
.stat span{display:block;margin-top:6px;color:rgba(255,255,255,.74);font-size:14px}
.hero-points{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.hero-points li{display:flex;gap:12px;color:rgba(255,255,255,.88)}
.hero-points li::before{
  content:"✓";width:24px;height:24px;display:grid;place-items:center;border-radius:50%;
  color:#06224d;font-size:14px;font-weight:900;background:linear-gradient(135deg,var(--cyan),#fff);flex:none
}
.trust-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-40px;position:relative;z-index:2
}
.trust-item{
  padding:22px 20px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft)
}
.trust-item strong{display:block;font-size:17px}
.trust-item span{display:block;margin-top:6px;color:var(--muted);font-size:14px}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)
}
.card.dark{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);box-shadow:none}
.card h3{margin:0;font-size:23px;line-height:1.2}
.card p{margin:14px 0 0;color:var(--muted)}
.card.dark p{color:rgba(255,255,255,.76)}
.icon-badge{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#e0f2fe,#dbeafe);color:#0f172a;font-weight:900;margin-bottom:18px
}
.soft-panel{padding:32px;background:#f8fbff;border:1px solid var(--line);border-radius:32px}
.soft-panel.dark{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.1)}
.highlight{background:linear-gradient(135deg,#eef7ff 0%, #e8f0ff 100%);border:1px solid #c9ddff}
.list-check,.list-plain{margin:0;padding:0;list-style:none}
.list-check{display:grid;gap:12px;margin-top:18px}
.list-check li{display:flex;gap:12px;color:#334155}
.list-check li::before{
  content:"✓";flex:none;width:24px;height:24px;display:grid;place-items:center;border-radius:999px;background:#dbeafe;color:#1d4ed8;font-size:13px;font-weight:800
}
.section-dark .list-check li,.blue-panel .list-check li{color:rgba(255,255,255,.9)}
.section-dark .list-check li::before,.blue-panel .list-check li::before{background:rgba(255,255,255,.18);color:#fff}
.value-grid .card{padding-top:24px}
.mini-badge{
  display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:999px;background:#eaf3ff;color:#1d4ed8;font-size:12px;font-weight:800;margin-bottom:12px
}
.package-card{padding:30px}
.package-tag{display:inline-flex;padding:7px 11px;border-radius:999px;background:#eaf3ff;color:#1d4ed8;font-size:13px;font-weight:800}
.package-price{margin-top:20px;font-size:34px;line-height:1;font-weight:900}
.package-price small{font-size:16px;color:var(--muted);font-weight:700}
.steps{display:grid;gap:16px}
.step{
  display:flex;gap:18px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow)
}
.step-num{
  width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,#dbeafe,#eef6ff);display:grid;place-items:center;font-size:20px;font-weight:900;flex:none
}
.step h3{margin:0;font-size:20px}
.step p{margin:8px 0 0;color:var(--muted)}
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.metric-card{
  padding:24px;border-radius:24px;background:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%);border:1px solid var(--line);box-shadow:var(--shadow)
}
.metric-card strong{display:block;font-size:32px;line-height:1;font-weight:900;color:#0b3b93}
.metric-card span{display:block;margin-top:10px;color:var(--muted);font-size:15px}
.blue-panel{
  background:
    radial-gradient(circle at top left, rgba(111,225,255,.14), transparent 26%),
    radial-gradient(circle at bottom right, rgba(91,124,255,.15), transparent 32%),
    linear-gradient(135deg,#0a3b93 0%,#0f57c0 55%, #2d7ef7 100%);
  color:#fff;border-radius:34px;padding:36px;box-shadow:0 24px 60px rgba(16,68,152,.22)
}
.blue-panel .section-desc,.blue-panel p{color:rgba(255,255,255,.82)}
.table-like{display:grid;gap:14px;margin-top:22px}
.table-row{display:grid;grid-template-columns:220px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--line)}
.table-row:first-child{border-top:none;padding-top:0}
.table-row strong{font-size:16px}
.table-row div:last-child{color:var(--muted)}
.matrix{
  overflow:auto;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow);margin-top:28px
}
.matrix table{width:100%;min-width:780px;border-collapse:collapse}
.matrix th,.matrix td{padding:18px 20px;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.matrix thead th{border-top:none;background:#f8fbff;font-size:14px;color:#1d4ed8}
.matrix tbody td:first-child,.matrix thead th:first-child{font-weight:800;color:#0f172a}
.faq-grid{display:grid;gap:16px;margin-top:30px}
.faq-item{
  border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow-soft);overflow:hidden
}
.faq-question{
  width:100%;background:none;border:0;padding:22px 24px;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-weight:800;color:#0f172a
}
.faq-question span:last-child{
  width:34px;height:34px;border-radius:999px;display:grid;place-items:center;background:#eef6ff;color:#1d4ed8;font-size:20px;flex:none
}
.faq-answer{display:none;padding:0 24px 22px;color:var(--muted)}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.notice-band{
  padding:22px 24px;border-radius:24px;background:linear-gradient(135deg,#eef7ff,#f8fbff);border:1px solid var(--line-strong)
}
.notice-band strong{display:block;font-size:18px}
.notice-band p{margin:10px 0 0;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:24px}
.contact-card{
  background:
    radial-gradient(circle at top left, rgba(111,225,255,.14), transparent 26%),
    linear-gradient(180deg,#0b3f97 0%,#0f57c0 100%);
  color:#fff;border-radius:34px;padding:36px;box-shadow:0 26px 60px rgba(2,8,23,.24)
}
.contact-card p{color:rgba(255,255,255,.78)}
.contact-info{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.info-box{
  padding:18px;border-radius:20px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.12)
}
.info-box.full{grid-column:1/-1}
.info-box .label{font-size:13px;color:rgba(255,255,255,.58)}
.info-box .value{margin-top:8px;font-size:18px;font-weight:800;word-break:break-word}
.contact-side{border-radius:32px;background:#fff;border:1px solid var(--line);padding:30px;box-shadow:var(--shadow)}
.notice{margin-top:20px;padding:18px;border-radius:18px;background:#f8fafc;color:#334155}
.mini-list{margin-top:16px;display:grid;gap:14px}
.mini-item{padding:16px 18px;border-radius:18px;background:#f8fafc;border:1px solid var(--line)}
.quick-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.quick-box{padding:20px;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
.quick-box strong{display:block}
.quick-box span{display:block;margin-top:8px;color:var(--muted);font-size:14px}
.page-hero{
  background:
    radial-gradient(circle at 10% 20%, rgba(71,198,255,.18), transparent 26%),
    radial-gradient(circle at 90% 10%, rgba(37,99,235,.12), transparent 28%),
    linear-gradient(180deg,#f4f9ff 0%, #ffffff 100%);
  border-bottom:1px solid var(--line);
}
.page-hero .inner{padding:66px 0 54px}
.breadcrumb{color:var(--muted);font-size:14px}
.page-hero h1{margin:14px 0 0;font-size:clamp(36px,5vw,56px);line-height:1.08;letter-spacing:-.035em}
.page-hero p{max-width:840px;margin:18px 0 0;color:var(--muted);font-size:18px}
.site-footer{
  background:linear-gradient(90deg,#09357f 0%, #0f57c0 100%);
  color:rgba(255,255,255,.78);margin-top:34px
}
.footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:26px;padding:58px 0 34px}
.site-footer h3{margin:0 0 14px;font-size:20px;color:#fff}
.site-footer p,.site-footer li,.site-footer a{color:rgba(255,255,255,.74)}
.site-footer ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:18px 0 26px;color:rgba(255,255,255,.56);font-size:14px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap
}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.visible{opacity:1;transform:none}
@media (max-width: 1080px){
  .hero-grid,.contact-grid,.grid-3{grid-template-columns:1fr 1fr}
  .grid-4,.trust-strip,.metric-strip,.quick-actions{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 820px){
  .topbar-inner{flex-direction:column;align-items:flex-start;padding:10px 0}
  .desktop-nav,.header-actions .btn{display:none}
  .menu-toggle{display:inline-grid;place-items:center}
  .hero-grid,.grid-2,.grid-3,.grid-4,.contact-grid,.footer-grid,.hero-stats,.contact-info,.trust-strip,.metric-strip,.quick-actions{
    grid-template-columns:1fr;
  }
  .section{padding:72px 0}
  .hero-grid{padding:58px 0 72px}
  .hero p,.section-desc,.page-hero p{font-size:17px}
  .cta-band,.blue-panel{padding:30px}
  .contact-card,.contact-side,.card,.soft-panel,.step,.hero-card,.trust-item{padding:22px}
  .table-row{grid-template-columns:1fr;gap:8px}
}