*{box-sizing:border-box}
html{scroll-behavior:smooth}
html.drawer-open,html.drawer-open body{overflow:hidden}
body{margin:0;background:#E6EBF2;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.72}
a{color:#289CFF;text-decoration:none}
a:hover{color:#1E90F0}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:#F5F7FB;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,0.10)}
.header-inner{max-width:1220px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{flex:0 0 auto;display:flex;align-items:center}
.logo img{max-height:52px;width:auto}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}
.nav a,.nav-drop{font:700 15px/1.2 inherit;color:#4E5F7A;border:0;background:transparent;cursor:pointer;padding:25px 0 22px;position:relative}
.nav a.active,.nav-drop.active,.nav a:hover,.nav-drop:hover{color:#289CFF}
.nav a.active:after,.nav-drop.active:after{content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:999px;background:#289CFF}
.header-action{flex:0 0 auto;display:flex;align-items:center}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 24px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF;border-radius:999px;box-shadow:0 10px 24px rgba(36,155,255,0.25);font-weight:800;letter-spacing:.02em;border:0}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);color:#FFFFFF;transform:translateY(-1px)}
.dropdown{position:relative}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:188px;background:#FFFFFF;border:1px solid rgba(40,156,255,0.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,0.16);z-index:10000;padding:8px;overflow:hidden}
.dropdown:hover .dropdown-menu,.dropdown.menu-open .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:12px 16px;color:#4E5F7A;white-space:nowrap;border-radius:10px;font-weight:700}
.dropdown-menu a:hover,.dropdown-menu a.active{color:#289CFF;background:rgba(40,156,255,0.08)}
.menu-toggle{display:none;width:42px;height:42px;border:0;background:#FFFFFF;border-radius:12px;box-shadow:0 8px 18px rgba(56,92,138,.12);padding:10px}
.menu-toggle span{display:block;height:2px;background:#4E5F7A;border-radius:99px;margin:5px 0}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:10002;box-shadow:20px 0 42px rgba(36,52,71,.18);transform:translateX(-105%);transition:transform .28s ease;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-overlay{display:none;position:fixed;inset:0;background:rgba(36,52,71,.42);z-index:10001}
.drawer-overlay.show{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px 18px 12px;border-bottom:1px solid rgba(40,156,255,.12)}
.drawer-logo img{height:46px;width:auto}
.drawer-close{width:36px;height:36px;border:0;background:#EEF2F7;color:#4E5F7A;border-radius:50%;font-size:22px;cursor:pointer}
.drawer-nav{display:grid;grid-template-columns:1fr;gap:4px;padding:14px}
.drawer-nav a{display:block;padding:13px 14px;color:#4E5F7A;border-radius:12px;font-weight:700;background:#F5F7FB}
.drawer-nav a:hover{color:#289CFF;background:rgba(40,156,255,.10)}
.site-main{min-height:60vh}
.container{max-width:1220px;margin:0 auto;padding:0 20px}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative}
.slider-track{position:relative;height:clamp(230px,42vw,520px);background:#FFFFFF}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;display:flex;align-items:center;justify-content:center;background:#FFFFFF}
.slide.active{opacity:1;z-index:1}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:44px;height:44px;border-radius:50%;border:1px solid rgba(40,156,255,.18);background:rgba(255,255,255,.88);color:#289CFF;font-size:28px;line-height:1;cursor:pointer;box-shadow:0 10px 24px rgba(56,92,138,.16)}
.slider-arrow:hover{background:#FFFFFF}
.slider-prev{left:16px}
.slider-next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;z-index:4;display:flex;align-items:center;justify-content:center;gap:10px}
.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(78,95,122,.38);cursor:pointer;padding:0}
.slider-dot.active{width:28px;border-radius:999px;background:#289CFF}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.section{padding:36px 0}
.section.compact{padding:22px 0}
.section-head{max-width:820px;margin:0 auto 24px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#289CFF;background:rgba(40,156,255,.10);border:1px solid rgba(40,156,255,.14);border-radius:999px;padding:5px 13px;font-weight:800;font-size:13px}
h1,h2,h3,.section-title{color:#289CFF;margin:0 0 14px;line-height:1.25}
h1{font-size:clamp(30px,5vw,54px);letter-spacing:-.03em}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:20px}
p{margin:0 0 14px}
.lead{font-size:18px;color:#66788A}
.muted{color:#66788A}
.small-note{color:#8A9AAF;font-size:14px}
.hero-panel{background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:24px;padding:34px;display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero-panel.single{grid-template-columns:1fr}
.content-img{width:100%;height:auto;object-fit:contain;background:#FFFFFF;border-radius:20px;border:1px solid rgba(40,156,255,.12);box-shadow:0 12px 28px rgba(56,92,138,.10)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:20px;padding:22px}
.card .num,.step-card .num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:rgba(40,156,255,.10);color:#289CFF;font-weight:900;margin-bottom:12px}
.card-link{display:inline-flex;margin-top:8px;font-weight:800;color:#289CFF}
.image-card{overflow:hidden;padding:0}
.image-card img{width:100%;height:240px;object-fit:contain;background:#FFFFFF}
.image-card div{padding:20px}
.notice-strip{border-radius:22px;background:#DDE4EE;border:1px solid rgba(40,156,255,.14);padding:22px;color:#243447;box-shadow:0 10px 26px rgba(56,92,138,.08)}
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0 0;padding:0;list-style:none}
.check-list li{background:#FFFFFF;border:1px solid rgba(40,156,255,.14);border-radius:14px;padding:14px 16px;color:#4E5F7A}
.check-list li strong{color:#289CFF}
.review-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card p{color:#4E5F7A}
.review-card strong{display:block;color:#289CFF;margin-bottom:8px}
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq-item h3{font-size:18px}
.cta-band{background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(238,242,247,.95));border:1px solid rgba(40,156,255,.16);border-radius:24px;padding:28px;display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:0 14px 36px rgba(56,92,138,.10)}
.table-like{display:grid;gap:12px}
.table-like div{display:grid;grid-template-columns:180px 1fr;gap:18px;background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.14);border-radius:16px;padding:16px}
.table-like strong{color:#289CFF}
.site-footer{margin-top:46px;background:#243447;color:#EAF3FF}
.footer-inner{max-width:1220px;margin:0 auto;padding:38px 20px;display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:28px;align-items:start}
.footer-brand img{height:52px;width:auto;margin-bottom:14px}
.footer-brand p,.footer-note p{color:#EAF3FF;opacity:.9}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.footer-links a{color:#EAF3FF;background:rgba(255,255,255,.08);border-radius:12px;padding:10px 12px}
.footer-links a:hover{background:rgba(40,156,255,.25);color:#FFFFFF}
@media(max-width:1100px){
  .nav{gap:13px}
  .nav a,.nav-drop{font-size:14px}
  .main-btn{padding:0 18px}
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .header-inner{min-height:66px;gap:12px}
  .menu-toggle{display:block;flex:0 0 auto}
  .desktop-nav,.nav-wrap{display:none}
  .logo{position:absolute;left:50%;transform:translateX(-50%)}
  .logo img{max-height:44px}
  .header-action{margin-left:auto}
  .main-btn{min-height:38px;padding:0 16px}
  .banner-slider{margin:18px 14px 28px;border-radius:16px}
  .slider-track{height:clamp(190px,54vw,360px)}
  .hero-panel{grid-template-columns:1fr;padding:24px}
  .grid,.grid.three,.grid.two,.review-list,.faq-list{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .cta-band{align-items:flex-start;flex-direction:column}
  .table-like div{grid-template-columns:1fr;gap:6px}
  .footer-inner{grid-template-columns:1fr}
}
@media(max-width:540px){
  .container{padding:0 14px}
  .section{padding:26px 0}
  .hero-panel,.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{border-radius:18px;padding:18px}
  .slider-arrow{width:36px;height:36px;font-size:22px}
  .slider-prev{left:10px}
  .slider-next{right:10px}
  .footer-links{grid-template-columns:1fr}
}