*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --bg:#f4f8fb;
  --panel:#ffffff;
  --line:#d8e5f0;
  --text:#082149;
  --muted:#607286;
  --accent:#5eead4;
  --accent2:#2563eb;
  --dark:#082149;
  --soft:#eaf8fb;
  --shadow:0 24px 70px rgba(8,33,73,.09);
  --radius:30px;
}
body{
  margin:0;
  font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:linear-gradient(180deg,#f4f8fb 0%,#ffffff 70%);
  color:var(--text);
  line-height:1.72;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
button{font:inherit}
.container{width:min(1220px,calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(244,248,251,.88);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line)
}
.nav-wrap{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{
  width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--dark),#0f3d80);
  color:#fff;font-weight:900;display:grid;place-items:center;box-shadow:0 14px 30px rgba(8,33,73,.18)
}
.brand strong{display:block;font-size:16px;line-height:1.1}
.brand em{display:block;font-style:normal;color:var(--muted);font-size:11px;letter-spacing:.15em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:20px;flex:1;justify-content:center}
.nav-links a{font-size:14px;color:#40556b;font-weight:700}
.nav-links a.active,.nav-links a:hover{color:var(--accent2)}
.nav-actions{display:flex;gap:10px}
.menu-btn{display:none;border:0;background:transparent;padding:0}
.menu-btn span{display:block;width:24px;height:2px;background:var(--dark);margin:5px 0}
.btn{
  border:1px solid transparent;border-radius:999px;padding:12px 18px;
  font-weight:850;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:.22s
}
.btn:hover{transform:translateY(-1px)}
.btn.small{padding:10px 15px}
.btn.primary{background:linear-gradient(135deg,var(--accent),#bffcf4);color:#053044;box-shadow:0 14px 32px rgba(94,234,212,.28)}
.btn.dark{background:var(--dark);color:#fff}
.btn.line,.btn.ghost{background:#fff;border-color:var(--line);color:var(--dark)}
.eyebrow{
  display:inline-block;color:var(--accent2);font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase
}
.hero-nova{padding:60px 0 36px}
.hero-grid{display:grid;grid-template-columns:.96fr 1.04fr;gap:28px;align-items:center}
.hero-copy,.sub-hero-grid>div:first-child{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px
}
.hero-copy h1,.section-title h2,.section-head h2,.download-grid h2,.faq-grid h2,.sub-hero h1,.entry-grid h2,.product-details h2,.security-grid h2{
  margin:14px 0 12px;font-size:clamp(34px,5vw,72px);line-height:.98;letter-spacing:-.055em
}
.hero-copy p,.route-card p,.section-title p,.map-cards p,.preview-grid p,.download-grid p,.steps-grid p,.faq-list p,.sub-hero p,.entry-grid p,.product-details p,.choice-grid p,.category-grid p,.security-grid p{
  margin:0;color:var(--muted)
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}
.hero-search-row{display:flex;flex-wrap:wrap;gap:10px}
.hero-search-row span{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:9px 12px;font-size:13px}
.hero-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);min-height:620px;background:#000}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-badge-card{
  position:absolute;background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.5);border-radius:20px;padding:14px 16px;box-shadow:var(--shadow)
}
.hero-badge-card small{display:block;color:var(--muted);margin-bottom:6px}
.badge-a{left:24px;bottom:24px}
.badge-b{right:24px;top:24px}
.route-section,.section,.sub-hero,.entry-cards{padding:72px 0}
.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.route-card,.map-cards article,.preview-grid article,.steps-grid article,.entry-grid article,.choice-grid article,.category-grid article,.product-details article{
  background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow);text-align:left
}
.route-card{cursor:pointer}
.route-card.highlight{background:linear-gradient(180deg,#eafeff,#fff)}
.route-card span,.category-grid span,.steps-grid span{
  display:grid;place-items:center;width:44px;height:44px;background:var(--dark);color:#fff;border-radius:14px;font-weight:900;margin-bottom:16px
}
.route-card h2{margin:0 0 8px;font-size:24px;line-height:1.1}
.route-card b{display:block;margin-top:14px;word-break:break-all}
.service-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:24px;align-items:start}
.section-title{max-width:760px}
.map-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.map-cards b{font-size:22px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
.text-link{font-weight:900;color:var(--accent2)}
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.preview-grid article{text-align:center}
.preview-grid img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#f8fbfd;border-radius:20px;padding:14px}
.preview-grid h3{margin:14px 0 6px;font-size:23px}
.download-band{background:linear-gradient(135deg,#082149,#0b4aa0);color:#fff}
.download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:center}
.download-grid p{color:#d6e7fa}
.download-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.download-image{border-radius:26px;overflow:hidden;border:1px solid rgba(255,255,255,.2);box-shadow:var(--shadow)}
.download-image img{width:100%;height:100%;object-fit:cover}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps-grid h3{margin:0 0 8px;font-size:23px}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:24px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;box-shadow:var(--shadow)}
.faq-list summary{font-weight:900;cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list p{margin-top:12px}
.site-footer{padding:34px 0 52px;border-top:1px solid var(--line);background:#fff}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:24px}
.footer-grid strong{font-size:22px}
.footer-grid p{margin:8px 0 0;color:var(--muted);max-width:640px}
.footer-links{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.footer-contact{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;cursor:pointer}
.sub-hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}
.sub-hero-image,.security-img{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.sub-hero-image img,.security-img img{width:100%;height:100%;object-fit:cover}
.breadcrumbs{display:flex;gap:8px;color:var(--muted);font-size:13px;margin-bottom:18px}
.entry-grid,.choice-grid,.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.entry-grid article strong{display:block;margin:16px 0;word-break:break-all}
.product-details{display:grid;gap:18px}
.product-details article{display:grid;grid-template-columns:260px 1fr;gap:22px;align-items:center}
.product-details img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#f8fbfd;border-radius:22px;padding:14px}
.compare-board{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden}
.compare-row{display:grid;grid-template-columns:1fr 1.5fr 1.15fr 1fr 1.4fr .7fr;gap:14px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-head{background:var(--dark);color:#fff;font-weight:900}
.mini{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;cursor:pointer}
.security-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}
.security-deep{background:#fff}
.security-grid>div:first-child{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}
.contact-modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:100}
.contact-modal.open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(8,33,73,.48);backdrop-filter:blur(8px)}
.modal-card{position:relative;z-index:2;width:min(430px,calc(100% - 28px));background:#fff;border-radius:28px;padding:28px;text-align:center;box-shadow:0 38px 90px rgba(8,33,73,.22)}
.modal-close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:30px;cursor:pointer}
.modal-card h2{margin:0 0 18px;font-size:30px}
.qr-frame{background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;overflow:hidden}
.qr-frame img{width:100%}
.modal-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:16px}
.modal-actions a{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:10px 14px}
.float-contact{position:fixed;right:18px;bottom:18px;z-index:50;border:0;border-radius:999px;padding:14px 18px;background:linear-gradient(135deg,var(--accent),#bffcf4);color:#053044;font-weight:900;cursor:pointer;box-shadow:0 16px 34px rgba(94,234,212,.28)}
.lock{overflow:hidden}
@media(max-width:1180px){
  .nav-links,.nav-actions{display:none}
  .menu-btn{display:block}
  .hero-grid,.route-grid,.service-grid,.preview-grid,.download-grid,.steps-grid,.faq-grid,.sub-hero-grid,.entry-grid,.choice-grid,.category-grid,.product-details article,.security-grid{grid-template-columns:1fr}
  .route-grid,.preview-grid,.steps-grid,.entry-grid,.choice-grid,.category-grid{grid-template-columns:repeat(2,1fr)}
  .compare-row{grid-template-columns:1fr 1fr}
  .compare-head{display:none}
  .footer-grid{flex-direction:column;align-items:flex-start}
  .footer-links{align-items:flex-start}
  .hero-visual{min-height:auto}
  .hero-badge-card{position:static;margin:12px}
}
@media(max-width:760px){
  .container{width:min(100%,calc(100% - 24px))}
  .hero-copy,.sub-hero-grid>div:first-child,.security-grid>div:first-child,.modal-card{padding:22px}
  .hero-copy h1,.section-title h2,.section-head h2,.download-grid h2,.faq-grid h2,.sub-hero h1,.entry-grid h2,.product-details h2,.security-grid h2{font-size:38px}
  .route-grid,.map-cards,.preview-grid,.steps-grid,.entry-grid,.choice-grid,.category-grid{grid-template-columns:1fr}
  .section-head{display:block}
  .compare-row{grid-template-columns:1fr}
  .float-contact{right:14px;bottom:14px}
}