:root{
  --navy:#0b2443;
  --deep:#123966;
  --blue:#2f80ed;
  --cyan:#59c7ee;
  --ice:#eef7ff;
  --soft:#f7fbff;
  --white:#ffffff;
  --ink:#172033;
  --muted:#5e6b7a;
  --line:#dce8f3;
  --gold:#c9a45c;
  --shadow:0 20px 55px rgba(11,36,67,.12);
  --radius:22px;
  --radius-sm:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,#f8fcff 0%,#ffffff 42%,#f9fcff 100%);
  line-height:1.78;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(220,232,243,.88);
}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:12px;min-width:190px}
.logo-mark{
  width:44px;height:44px;border-radius:16px;
  background:radial-gradient(circle at 35% 32%,#79dbff 0 20%,#2f80ed 21% 48%,#123966 49% 100%);
  box-shadow:0 10px 26px rgba(47,128,237,.22);
  position:relative;overflow:hidden;
}
.logo-mark:after{content:"";position:absolute;inset:13px 8px;border:2px solid rgba(255,255,255,.85);border-radius:50%}
.logo-text strong{display:block;font-size:20px;line-height:1.1;color:var(--navy);letter-spacing:.5px}
.logo-text span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.nav{display:flex;gap:2px;align-items:center}
.nav a{
  padding:10px 11px;border-radius:999px;font-size:14px;color:#314259;white-space:nowrap;
}
.nav a:hover,.nav a.active{background:#eaf5ff;color:var(--deep)}
.header-cta{display:flex;align-items:center;gap:10px}
.tel-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--navy);color:#fff;padding:10px 16px;border-radius:999px;
  box-shadow:0 12px 26px rgba(11,36,67,.2);font-weight:700;
}
.menu-btn{display:none;border:0;background:#eef6ff;border-radius:12px;padding:10px;color:var(--navy);font-size:18px}
.hero{
  position:relative;overflow:hidden;
  padding:78px 0 66px;
  background:
    radial-gradient(circle at 85% 18%, rgba(89,199,238,.28), transparent 28%),
    radial-gradient(circle at 12% 10%, rgba(47,128,237,.18), transparent 22%),
    linear-gradient(135deg,#f9fdff 0%,#eff8ff 45%,#ffffff 100%);
}
.hero:before{
  content:"";position:absolute;right:-180px;top:42px;width:520px;height:520px;border-radius:50%;
  background:conic-gradient(from 180deg,rgba(47,128,237,.12),rgba(89,199,238,.28),rgba(255,255,255,0),rgba(47,128,237,.14));
  filter:blur(.2px);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:42px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;border:1px solid #cfe8fb;border-radius:999px;
  background:rgba(255,255,255,.7);color:var(--deep);font-weight:700;font-size:13px;
}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(47,128,237,.14)}
h1{font-size:48px;line-height:1.18;margin:18px 0 18px;color:var(--navy);letter-spacing:-.8px}
.hero p.lead{font-size:18px;color:#3d5069;max-width:660px;margin:0 0 28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:13px 22px;font-weight:800;border:1px solid transparent;
  transition:.2s ease;cursor:pointer;
}
.btn.primary{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;box-shadow:0 18px 32px rgba(47,128,237,.24)}
.btn.secondary{background:#fff;color:var(--deep);border-color:#cfe0ef}
.btn:hover{transform:translateY(-2px)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;max-width:620px}
.stat{
  background:rgba(255,255,255,.78);border:1px solid #dcecf8;border-radius:18px;
  padding:14px 16px;box-shadow:0 12px 28px rgba(11,36,67,.06)
}
.stat strong{display:block;font-size:23px;color:var(--navy)}
.stat span{font-size:13px;color:var(--muted)}
.visual-card{
  position:relative;background:rgba(255,255,255,.82);
  border:1px solid #d9eafa;border-radius:34px;padding:28px;
  box-shadow:var(--shadow);min-height:430px;overflow:hidden;
}
.visual-orbit{
  position:absolute;inset:34px;border:1px dashed rgba(47,128,237,.28);border-radius:50%;
}
.visual-orbit:nth-child(2){inset:74px;transform:rotate(22deg)}
.scan-eye{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:250px;height:160px;border-radius:54% 46% 54% 46% / 58% 58% 42% 42%;
  background:linear-gradient(145deg,#ffffff,#dff2ff);
  border:1px solid #cbe7f7;box-shadow:inset 0 18px 40px rgba(47,128,237,.08),0 24px 50px rgba(11,36,67,.12);
}
.scan-eye:before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:92px;height:92px;border-radius:50%;
  background:radial-gradient(circle,#101d35 0 19%,#2f80ed 20% 42%,#76d9ff 43% 58%,#154777 59% 100%);
  box-shadow:0 0 0 14px rgba(47,128,237,.12),0 0 40px rgba(89,199,238,.42);
}
.scan-eye:after{
  content:"";position:absolute;left:26px;right:26px;top:50%;height:2px;
  background:linear-gradient(90deg,transparent,#59c7ee,transparent);
  box-shadow:0 -38px 0 rgba(89,199,238,.32),0 38px 0 rgba(89,199,238,.32);
}
.float-note{
  position:absolute;border-radius:18px;background:#fff;border:1px solid #dcecf8;
  padding:13px 15px;box-shadow:0 15px 35px rgba(11,36,67,.11);max-width:190px;
}
.float-note strong{display:block;color:var(--navy);font-size:15px}
.float-note span{font-size:12px;color:var(--muted)}
.float-note.one{left:28px;top:46px}
.float-note.two{right:26px;top:90px}
.float-note.three{left:48px;bottom:42px}
.float-note.four{right:30px;bottom:54px}
.section{padding:72px 0}
.section.alt{background:linear-gradient(180deg,#f4f9ff 0,#ffffff 100%)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:28px}
.section-title{max-width:760px}
.kicker{color:var(--blue);font-size:14px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
h2{font-size:34px;line-height:1.25;margin:0;color:var(--navy);letter-spacing:-.5px}
.section-title p{margin:12px 0 0;color:var(--muted);font-size:16px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:0 14px 36px rgba(11,36,67,.07);
  position:relative;overflow:hidden;
}
.card:after{content:"";position:absolute;right:-35px;top:-35px;width:100px;height:100px;border-radius:50%;background:rgba(47,128,237,.06)}
.icon{
  width:48px;height:48px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e8f6ff,#ffffff);border:1px solid #d5eafb;color:var(--blue);
  font-size:22px;margin-bottom:16px;
}
.card h3{margin:0 0 8px;color:var(--navy);font-size:20px}
.card p{margin:0;color:var(--muted);font-size:15px}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px;
  box-shadow:0 14px 36px rgba(11,36,67,.07);
}
.dark-panel{
  background:linear-gradient(135deg,var(--navy),#174a7c);
  color:#fff;border-radius:28px;padding:30px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.dark-panel:after{content:"";position:absolute;right:-70px;bottom:-70px;width:220px;height:220px;border-radius:50%;background:rgba(89,199,238,.18)}
.dark-panel h3{font-size:26px;margin:0 0 14px}
.dark-panel p,.dark-panel li{color:rgba(255,255,255,.82)}
.check-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.check-list li{padding-left:30px;position:relative;color:#425269}
.check-list li:before{content:"✓";position:absolute;left:0;top:0;width:21px;height:21px;line-height:21px;text-align:center;border-radius:50%;background:#e8f6ff;color:var(--blue);font-weight:900;font-size:13px}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px 18px;
  box-shadow:0 12px 28px rgba(11,36,67,.06);position:relative;counter-increment:step;
}
.step:before{
  content:"0" counter(step);display:inline-flex;width:42px;height:42px;border-radius:14px;
  align-items:center;justify-content:center;background:var(--navy);color:#fff;font-weight:900;margin-bottom:14px;
}
.step h3{font-size:18px;margin:0 0 8px;color:var(--navy)}
.step p{font-size:14px;margin:0;color:var(--muted)}
.city-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px;margin-bottom:20px;
  box-shadow:0 12px 28px rgba(11,36,67,.06);
}
.search-box{position:relative;flex:1}
.search-box input{
  width:100%;border:1px solid #d8e5f0;border-radius:999px;padding:13px 18px 13px 42px;font-size:15px;
  outline:none;background:#f8fbfe;
}
.search-box:before{content:"⌕";position:absolute;left:17px;top:8px;color:#7c8da0;font-size:22px}
.city-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.city-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;
  box-shadow:0 10px 24px rgba(11,36,67,.06);
}
.city-card h3{margin:0 0 8px;color:var(--navy);font-size:20px;display:flex;align-items:center;justify-content:space-between}
.city-card h3 span{font-size:12px;color:var(--blue);background:#eaf6ff;padding:4px 8px;border-radius:999px}
.city-card p{margin:6px 0;color:var(--muted);font-size:14px}
.city-card .addr{color:#2d3c50}
.faq{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:0 10px 24px rgba(11,36,67,.05);
}
.faq-q{width:100%;border:0;background:#fff;text-align:left;padding:18px 20px;font-size:17px;font-weight:800;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;gap:20px}
.faq-q:after{content:"+";color:var(--blue);font-size:22px;line-height:1}
.faq-item.open .faq-q:after{content:"−"}
.faq-a{display:none;padding:0 20px 20px;color:var(--muted)}
.faq-item.open .faq-a{display:block}
.cta-band{
  padding:42px;border-radius:30px;background:
  radial-gradient(circle at 90% 20%,rgba(89,199,238,.26),transparent 28%),
  linear-gradient(135deg,var(--navy),#1d5f97);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow);
}
.cta-band h2{color:#fff;font-size:30px}
.cta-band p{color:rgba(255,255,255,.78);margin:8px 0 0}
.cta-band .btn.secondary{background:#fff;color:var(--navy)}
.site-footer{background:#071d36;color:#d7e6f4;padding:46px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:28px;margin-bottom:28px}
.footer-title{font-size:20px;font-weight:900;color:#fff;margin-bottom:12px}
.footer-grid a,.footer-grid p{display:block;color:#b7c6d8;margin:6px 0;font-size:14px}
.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#8ca1b8;font-size:13px}
.breadcrumb{font-size:14px;color:#6c7a89;margin-bottom:12px}
.breadcrumb a{color:var(--blue)}
.subhero{padding:62px 0;background:
  radial-gradient(circle at 78% 18%,rgba(89,199,238,.24),transparent 22%),
  linear-gradient(135deg,#f7fbff,#eef8ff 54%,#fff);
  border-bottom:1px solid #dcecf8;
}
.subhero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.subhero h1{font-size:42px}
.mini-visual{
  min-height:260px;border-radius:30px;background:linear-gradient(145deg,#fff,#eaf7ff);
  border:1px solid #d8ecf9;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.mini-visual:before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:30px;top:30px;border:1px dashed rgba(47,128,237,.25)}
.mini-visual:after{content:"";position:absolute;left:55px;top:62px;width:180px;height:120px;border-radius:60% 40% 60% 40%;background:rgba(255,255,255,.74);border:1px solid #cfe5f4;box-shadow:0 20px 44px rgba(11,36,67,.1)}
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
.metric strong{display:block;color:var(--navy);font-size:20px}
.metric span{color:var(--muted);font-size:13px}
.two-col{display:grid;grid-template-columns:.86fr 1.14fr;gap:26px}
.info-list{display:grid;gap:12px}
.info-row{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 10px 24px rgba(11,36,67,.05)}
.info-row b{display:flex;align-items:center;justify-content:center;width:34px;height:34px;flex:0 0 34px;border-radius:12px;background:#eaf6ff;color:var(--blue)}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:0 14px 36px rgba(11,36,67,.07);
}
.article-body h2{font-size:28px;margin:28px 0 12px}
.article-body h3{font-size:20px;color:var(--navy);margin:22px 0 8px}
.article-body p{color:#3f4d5e;margin:10px 0}
.article-body ul{color:#3f4d5e}
.note-box{background:#f3f9ff;border-left:4px solid var(--blue);border-radius:16px;padding:18px;margin:18px 0;color:#3f4d5e}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 28px rgba(11,36,67,.05)}
table{border-collapse:collapse;width:100%;min-width:720px}
th,td{padding:14px 16px;border-bottom:1px solid #e7eef5;text-align:left;font-size:14px}
th{background:#f1f8ff;color:var(--navy);font-weight:900}
td{color:#3d4d60}
tr:last-child td{border-bottom:0}
.sticky-consult{
  position:fixed;right:18px;bottom:22px;z-index:40;display:grid;gap:10px;
}
.sticky-consult a{
  display:flex;align-items:center;gap:8px;background:#fff;color:var(--navy);border:1px solid #dcecf8;
  padding:10px 13px;border-radius:999px;box-shadow:0 14px 32px rgba(11,36,67,.16);font-size:14px;font-weight:800;
}
.sticky-consult a:first-child{background:var(--blue);color:#fff;border-color:var(--blue)}
@media(max-width:1080px){
  .nav{display:none;position:absolute;left:0;right:0;top:78px;background:#fff;border-bottom:1px solid var(--line);padding:14px 4vw;flex-direction:column;align-items:flex-start}
  .nav.open{display:flex}
  .nav a{width:100%;border-radius:12px}
  .menu-btn{display:inline-block}
  .header-cta .tel-pill{display:none}
  .hero-grid,.subhero-grid,.feature-row,.two-col{grid-template-columns:1fr}
  .hero{padding:56px 0}
  h1{font-size:40px}
  .visual-card{min-height:360px}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .card-grid,.city-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .header-inner{height:68px}
  .nav{top:68px}
  .logo-text span{display:none}
  .logo-text strong{font-size:18px}
  .hero{padding:42px 0}
  h1,.subhero h1{font-size:32px}
  h2{font-size:26px}
  .hero p.lead{font-size:16px}
  .hero-stats,.metric-strip,.card-grid,.city-grid,.timeline,.footer-grid{grid-template-columns:1fr}
  .float-note{display:none}
  .visual-card{min-height:290px;padding:18px}
  .scan-eye{width:210px;height:132px}
  .scan-eye:before{width:74px;height:74px}
  .section{padding:52px 0}
  .section-head{display:block}
  .cta-band{display:block;padding:28px}
  .cta-band .hero-actions{margin-bottom:0}
  .city-toolbar{display:block}
  .city-toolbar .btn{margin-top:12px;width:100%}
  .sticky-consult{left:12px;right:12px;bottom:12px;grid-template-columns:1fr 1fr}
  .sticky-consult a{justify-content:center;border-radius:14px}
  body{padding-bottom:74px}
}