:root{
  --main-bg:#E6EBF2;
  --nav-bg:#F5F7FB;
  --white:#FFFFFF;
  --soft:#EEF2F7;
  --soft-dark:#DDE4EE;
  --blue:#289CFF;
  --nav-text:#4E5F7A;
  --text:#243447;
  --muted:#66788A;
  --light:#8A9AAF;
  --footer:#243447;
  --footer-text:#EAF3FF;
  --btn:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
  --shadow:0 14px 36px rgba(56,92,138,0.12);
  --border:rgba(40,156,255,0.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--main-bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
.site-header{position:sticky;top:0;z-index:9999;background:var(--nav-bg);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,0.10)}
.header-inner{max-width:1240px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;padding:0 20px}
.logo-link{flex:0 0 auto;display:flex;align-items:center;min-width:142px}
.logo-link 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{position:relative;color:var(--nav-text);font-size:15px;font-weight:700;padding:24px 0;transition:.2s ease}
.nav a:hover,.nav a.active{color:var(--blue)}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;border-radius:999px;background:var(--blue);box-shadow:0 0 16px rgba(40,156,255,.35)}
.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;border-radius:999px;background:var(--btn);color:#fff;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,0.25);border:0;transition:.2s ease;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px)}
.dropdown,.more-dropdown{position:relative}
.dropdown-menu,.more-menu{position:absolute;top:100%;left:0;min-width:180px;background:#fff;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;opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s ease}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a,.more-menu a{display:block;padding:10px 14px;color:var(--nav-text);white-space:nowrap;border-radius:10px;font-size:14px}
.dropdown-menu a:after,.more-menu a:after{display:none}
.dropdown-menu a:hover,.more-menu a:hover{color:var(--blue);background:rgba(40,156,255,0.08)}
.menu-toggle{display:none;width:42px;height:42px;border:0;background:#fff;border-radius:12px;box-shadow:0 8px 20px rgba(56,92,138,.10);align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.menu-toggle span{width:20px;height:2px;background:var(--nav-text);border-radius:999px}
.drawer-mask{position:fixed;inset:0;background:rgba(36,52,71,.38);z-index:10001;opacity:0;visibility:hidden;transition:.25s ease}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;left:0;height:100vh;width:84vw;max-width:320px;background:#fff;z-index:10002;box-shadow:24px 0 50px rgba(36,52,71,.18);transform:translateX(-105%);transition:.28s ease;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.12)}
.drawer-top img{max-height:44px;width:auto}
.drawer-close{border:0;background:#EEF2F7;color:var(--text);font-size:26px;width:38px;height:38px;border-radius:12px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;padding:12px}
.drawer-nav a{padding:13px 14px;border-radius:12px;color:var(--nav-text);font-weight:700}
.drawer-nav a:hover{background:rgba(40,156,255,.08);color:var(--blue)}
.page-main{padding:0 20px 70px}
.section{max-width:1200px;margin:0 auto 34px}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative;z-index:1}
.slider-track{position:relative;aspect-ratio:16/6.2;background:#fff}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;display:flex;align-items:center;justify-content:center;background:#fff}
.slide.active{opacity:1;z-index:2}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:var(--blue);font-size:34px;line-height:1;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(56,92,138,.18);cursor:pointer}
.slider-prev{left:18px}.slider-next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:6;display:flex;gap:8px;justify-content:center}
.slider-dots button{width:10px;height:10px;border:0;border-radius:999px;background:rgba(78,95,122,.35);cursor:pointer;padding:0}
.slider-dots button.active{width:28px;background:var(--blue)}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.hero-intro,.inner-hero,.split-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero-intro,.inner-hero,.soft-panel,.notice-panel{background:rgba(255,255,255,0.92);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:34px}
.eyebrow{display:inline-flex;color:var(--blue);font-weight:800;background:rgba(40,156,255,.09);border:1px solid rgba(40,156,255,.12);border-radius:999px;padding:4px 12px;margin-bottom:12px}
h1,h2,h3,.section-title{color:var(--blue);line-height:1.25;margin:0 0 14px}
h1{font-size:clamp(30px,4vw,48px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:20px}
p{margin:0 0 12px;color:var(--muted)}
.lead{font-size:18px;color:var(--text)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}
.section-head p{max-width:740px}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.qa-card,.mini-card{background:rgba(255,255,255,0.92);border:1px solid var(--border);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:22px;padding:22px;min-width:0}
.card strong,.zone-card strong,.mini-card strong{color:var(--blue)}
.text-link{display:inline-flex;margin-top:8px;color:var(--blue);font-weight:800}
.visual-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px;overflow:hidden;padding:12px}
.visual-card img,.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;background:#fff;border-radius:16px}
.icon-num{width:36px;height:36px;border-radius:12px;background:rgba(40,156,255,.1);display:inline-flex;align-items:center;justify-content:center;color:var(--blue);font-weight:900;margin-bottom:12px}
.split-panel{background:#EEF2F7;border-radius:24px;padding:28px;border:1px solid rgba(40,156,255,.12)}
.check-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.check-list li{position:relative;padding-left:28px;color:var(--muted)}
.check-list li:before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px rgba(40,156,255,.12)}
.review-card p{color:var(--text)}
.review-name{margin-top:14px;color:var(--light);font-size:14px}
.qa-card h3{font-size:18px;margin-bottom:10px}
.notice-panel{background:#DDE4EE}
.notice-panel p{color:var(--text)}
.site-footer{background:var(--footer);color:var(--footer-text);padding:42px 20px;margin-top:30px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:28px;align-items:start}
.footer-brand img{max-height:50px;width:auto;margin-bottom:14px}
.site-footer p,.site-footer a{color:var(--footer-text)}
.footer-links{display:grid;gap:10px}
.footer-links a{font-weight:700}
.footer-note{background:rgba(255,255,255,.08);border-radius:18px;padding:18px}
@media (max-width:1100px){
  .menu-toggle{display:flex;order:1;flex:0 0 auto}
  .header-inner{min-height:64px;gap:10px;position:relative;padding:0 14px}
  .logo-link{order:2;position:absolute;left:50%;transform:translateX(-50%);min-width:0;justify-content:center}
  .logo-link img{max-height:42px}
  .nav-wrap{display:none}
  .header-action{order:3;margin-left:auto}
  .main-btn{min-height:38px;padding:0 18px}
  .page-main{padding-left:14px;padding-right:14px}
  .hero-intro,.inner-hero,.split-panel{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-inner{grid-template-columns:1fr}
  .slider-track{aspect-ratio:16/8.2}
}
@media (max-width:640px){
  .header-action .main-btn{padding:0 15px;font-size:14px}
  .hero-intro,.inner-hero,.soft-panel,.notice-panel{padding:22px;border-radius:20px}
  .banner-slider{margin:16px auto 24px;border-radius:16px}
  .slider-track{aspect-ratio:16/10.5}
  .slider-arrow{width:34px;height:34px;font-size:28px}
  .slider-prev{left:10px}.slider-next{right:10px}
  .section-head{display:block}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .card,.zone-card,.info-card,.review-card,.qa-card,.mini-card{padding:18px;border-radius:18px}
}