:root{--primary:#63c2fa;--black:#111111;--dark:#1C1C1C;--mid:#2B2B2B;--light:#F5F5F5;--white:#ffffff;--shadow:0 16px 40px rgba(17,17,17,.08);--radius:18px;}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#fff;color:var(--black);line-height:1.65;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(17,17,17,.06)}
.header-inner{max-width:1180px;margin:0 auto;min-height:72px;padding:12px 18px;display:grid;grid-template-columns:48px 1fr 48px;align-items:center;gap:12px}
.logo{display:flex;align-items:center;justify-content:center;min-width:120px}
.logo img{width:138px;max-height:46px;object-fit:contain}
.main-nav{display:none;align-items:center;justify-content:center;gap:10px}
.main-nav a{padding:10px 14px;border-radius:999px;font-weight:700;color:var(--mid)}
.main-nav a:hover{background:var(--light);color:var(--primary)}
.header-actions{display:none;align-items:center;justify-content:flex-end;gap:10px}
.mobile-menu-toggle{width:42px;height:42px;border:0;background:var(--light);border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.mobile-menu-toggle span{width:19px;height:2px;background:var(--black);border-radius:2px}
.mobile-actions{display:flex;justify-content:center;gap:10px;padding:0 18px 14px}
.mobile-actions .btn{min-width:124px;text-align:center}
.mobile-nav{display:none;border-top:1px solid rgba(17,17,17,.08);padding:8px 18px 14px;background:#fff}
.mobile-nav.active{display:grid;gap:8px}
.mobile-nav a{padding:12px 14px;background:var(--light);border-radius:14px;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:999px;background:linear-gradient(135deg,var(--primary),#2a86d3);color:#fff;font-weight:800;border:0;box-shadow:0 12px 24px rgba(99,194,250,.26);transition:transform .2s ease,box-shadow .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(99,194,250,.32)}
.btn-small{padding:10px 18px;font-size:14px}
.btn-alt{background:linear-gradient(135deg,#111111,#2B2B2B)}
.container{width:min(1120px,calc(100% - 36px));margin:0 auto}
section{padding:54px 0}
.hero,.banner{background:linear-gradient(145deg,#ffffff 0%,#f3fbff 42%,#e8f7ff 100%);position:relative;overflow:hidden}
.hero::after,.banner::after{content:"";position:absolute;inset:auto -90px -160px auto;width:280px;height:280px;background:var(--primary);opacity:.16;border-radius:999px}
.hero-wrap{display:grid;gap:28px;align-items:center;padding:48px 0}
.hero h1,.page-hero h1{font-size:34px;line-height:1.14;margin:0 0 16px;letter-spacing:-.02em}
.hero p,.page-hero p{font-size:17px;color:#464646;margin:0 0 20px}
.hero-image{background:#fff;border-radius:28px;padding:20px;box-shadow:var(--shadow);border:1px solid rgba(99,194,250,.2)}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.tag{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(99,194,250,.14);color:#0c5c8a;font-weight:700;font-size:14px}
.grid{display:grid;gap:18px}
.grid-2,.grid-3{grid-template-columns:1fr}
.card{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);border:1px solid rgba(17,17,17,.06)}
.card h2,.card h3{margin-top:0;line-height:1.25}
.card p:last-child{margin-bottom:0}
.notice{border-left:5px solid var(--primary);background:linear-gradient(90deg,rgba(99,194,250,.14),#fff);border-radius:16px;padding:18px;box-shadow:0 10px 28px rgba(17,17,17,.05)}
.faq{display:grid;gap:14px}
.faq details{background:#fff;border-radius:16px;padding:16px 18px;box-shadow:var(--shadow);border:1px solid rgba(17,17,17,.06)}
.faq summary{font-weight:800;cursor:pointer}
.page-hero{background:linear-gradient(135deg,#f7fcff,#ffffff);padding:44px 0;border-bottom:1px solid rgba(17,17,17,.06)}
.breadcrumb{font-size:14px;color:#666;margin-bottom:12px}
.list{padding-left:20px}
.list li{margin:8px 0}
.cta-box{background:var(--dark);color:#fff;border-radius:24px;padding:28px;display:grid;gap:16px;align-items:center}
.cta-box p{color:#e9e9e9}
.footer{background:var(--dark);color:#fff;padding:42px 0;margin-top:40px}
.footer-grid{display:grid;gap:26px}
.footer a{display:block;color:#f2f2f2;margin:8px 0}
.footer p{color:#d7d7d7}
.footer-logo img{width:132px;max-height:44px;object-fit:contain;margin-bottom:14px}
@media (min-width:768px){
  .header-inner{grid-template-columns:180px 1fr auto;min-height:78px;padding:14px 22px}
  .mobile-menu-toggle,.mobile-actions,.mobile-nav{display:none!important}
  .logo{justify-content:flex-start}
  .main-nav,.header-actions{display:flex}
  .hero-wrap{grid-template-columns:1.05fr .95fr;padding:64px 0}
  .hero h1,.page-hero h1{font-size:46px}
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .cta-box{grid-template-columns:1fr auto}
  .footer-grid{grid-template-columns:1.2fr .7fr 1.2fr}
}
@media (min-width:1024px){
  .header-inner{max-width:1240px;padding-left:32px;padding-right:32px}
  .logo img{width:156px}
  .main-nav{gap:18px}
  .hero h1{font-size:56px}
  section{padding:68px 0}
}