:root{
  --bg:#E6EBF2;
  --nav:#F5F7FB;
  --panel:#FFFFFF;
  --soft:#EEF2F7;
  --soft-dark:#DDE4EE;
  --blue:#289CFF;
  --deep:#243447;
  --nav-text:#4E5F7A;
  --muted:#66788A;
  --hint:#8A9AAF;
  --line:rgba(40,156,255,0.16);
  --shadow:0 14px 36px rgba(56,92,138,0.12);
  --btn:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--deep);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden;padding-top:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:var(--nav);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,.10)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{flex:0 0 auto;display:inline-flex;align-items:center}
.logo img{max-height:52px;width:auto;display:block}
.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-link{position:relative;display:inline-flex;align-items:center;border:0;background:transparent;color:var(--nav-text);font:inherit;font-weight:700;padding:24px 0;cursor:pointer;line-height:1}
.nav-link:hover,.nav-link.active,.dropdown-toggle.active{color:var(--blue)}
.nav-link.active:after,.dropdown-toggle.active:after{content:"";position:absolute;left:0;right:0;bottom:15px;height:3px;border-radius:99px;background:var(--blue);box-shadow:0 4px 12px rgba(40,156,255,.25)}
.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:10px 24px;background:var(--btn);color:#fff;border-radius:999px;box-shadow:0 10px 24px rgba(36,155,255,.25);font-weight:800;line-height:1;transition:.22s ease;border:0;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:190px;background:#fff;border:1px solid rgba(40,156,255,.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s ease}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu,.dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a,.more-menu a{display:block;padding:11px 14px;color:var(--nav-text);white-space:nowrap;border-radius:10px;font-weight:700}
.dropdown-menu a:hover,.more-menu a:hover{color:var(--blue);background:rgba(40,156,255,.08)}
.mobile-header{display:none;min-height:66px;align-items:center;justify-content:space-between;gap:12px}
.menu-toggle{width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#fff;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;box-shadow:0 8px 20px rgba(56,92,138,.08)}
.menu-toggle span{width:18px;height:2px;border-radius:99px;background:var(--nav-text)}
.drawer-mask{position:fixed;inset:0;background:rgba(36,52,71,.46);z-index:10001;opacity:0;visibility:hidden;transition:.2s ease}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:min(86vw,320px);background:#fff;z-index:10002;transform:translateX(-105%);transition:.24s ease;box-shadow:18px 0 40px rgba(36,52,71,.22);overflow-y:auto}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:var(--nav)}
.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#fff;color:var(--blue);font-size:26px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;gap:4px;padding:14px}
.drawer-nav a{display:block;padding:12px 14px;border-radius:12px;color:var(--nav-text);font-weight:800;background:#fff}
.drawer-nav a:hover{background:rgba(40,156,255,.08);color:var(--blue)}
.page-wrap{padding:32px 0 56px}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative;aspect-ratio:16/6;min-height:260px;z-index:1}
.slider-track,.slide{position:absolute;inset:0}
.slide{opacity:0;transition:opacity .45s ease;pointer-events:none;background:#fff;display:flex;align-items:center;justify-content:center}
.slide.active{opacity:1;pointer-events:auto}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.86);color:var(--blue);font-size:26px;font-weight:900;box-shadow:0 8px 18px rgba(56,92,138,.16);cursor:pointer;z-index:5}
.slider-prev{left:18px}.slider-next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:10px;z-index:5}
.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(78,95,122,.35);cursor:pointer;padding:0}
.slider-dot.active{background:var(--blue);box-shadow:0 0 0 5px rgba(40,156,255,.14)}
.section{padding:34px 0}
.section-card,.card,.zone-card,.info-card,.review-card,.faq-item,.hero-card{background:rgba(255,255,255,.92);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}
.section-card{padding:34px}
.section-title{font-size:clamp(26px,3vw,40px);line-height:1.25;margin:0 0 14px;color:var(--blue)}
.section-lead{max-width:850px;color:var(--muted);font-size:17px;margin:0 0 18px}
.kicker,.tag{display:inline-flex;align-items:center;color:var(--blue);font-weight:900;letter-spacing:.04em;margin-bottom:10px}
.grid{display:grid;gap:20px}
.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,.faq-item{padding:24px}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-item h3{margin:0 0 10px;color:var(--blue);font-size:21px;line-height:1.35}
.card p,.zone-card p,.info-card p,.review-card p,.faq-item p{margin:0;color:var(--muted)}
.text-link{display:inline-flex;margin-top:14px;color:var(--blue);font-weight:900}
.media-card{overflow:hidden;padding:0}
.media-card img,.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;background:#fff;border-radius:20px}
.media-card .media-body{padding:24px}
.hero-card{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;align-items:center;padding:34px;margin-bottom:30px;background:linear-gradient(145deg,rgba(255,255,255,.96),rgba(238,242,247,.92))}
.hero-card h1{margin:0 0 16px;color:var(--blue);font-size:clamp(30px,4vw,52px);line-height:1.16}
.hero-card p{color:var(--muted);font-size:17px;margin:0 0 14px}
.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:18px}
.hero-image img{border-radius:22px;background:#fff;box-shadow:0 12px 28px rgba(56,92,138,.10)}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:center}
.notice{background:#DDE4EE;border:1px solid rgba(40,156,255,.16);border-radius:20px;padding:22px;color:var(--muted)}
.notice strong{color:var(--blue)}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pill-list span{display:inline-flex;padding:8px 13px;border-radius:999px;background:rgba(40,156,255,.09);color:var(--blue);font-weight:800}
.steps{counter-reset:item;display:grid;gap:14px}
.step{position:relative;padding-left:56px}
.step:before{counter-increment:item;content:counter(item);position:absolute;left:0;top:2px;width:38px;height:38px;border-radius:50%;background:rgba(40,156,255,.12);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900}
.review-card{background:linear-gradient(180deg,#fff,rgba(245,247,251,.92))}
.review-card p{font-size:15px}
.faq-list{display:grid;gap:16px}
.faq-item{padding:22px 24px}
.faq-item h2{margin:0 0 8px;color:var(--blue);font-size:20px}
.page-hero{padding:34px;margin-bottom:28px;background:linear-gradient(145deg,#fff,rgba(245,247,251,.96));border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow)}
.page-hero h1{margin:0 0 14px;color:var(--blue);font-size:clamp(30px,3.5vw,48px);line-height:1.2}
.page-hero p{max-width:900px;margin:0;color:var(--muted);font-size:17px}
.breadcrumb{font-size:14px;color:var(--hint);margin-bottom:8px}
.app-section{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.site-footer{background:#243447;color:#EAF3FF;margin-top:40px;padding:46px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:26px;align-items:start}
.footer-brand p{color:rgba(234,243,255,.82);margin:14px 0 0}
.footer-note{font-size:14px;color:rgba(234,243,255,.72)!important}
.footer-logo img{max-height:48px}
.footer-links h3{margin:0 0 12px;color:#fff;font-size:18px}
.footer-links a{display:block;color:rgba(234,243,255,.78);padding:5px 0}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(234,243,255,.16);margin-top:30px;padding-top:18px;color:rgba(234,243,255,.72);font-size:14px}
@media (max-width:1100px){.nav{gap:14px}.nav-link{font-size:15px}.main-btn{padding:10px 20px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){.header-inner{display:none}.mobile-header{display:flex}.page-wrap{padding-top:20px}.banner-slider{width:calc(100% - 24px);margin:18px auto 28px;min-height:210px;aspect-ratio:16/8}.grid-2,.grid-3,.grid-4,.hero-card,.split,.app-section{grid-template-columns:1fr}.section-card,.hero-card,.page-hero{padding:24px}.footer-grid{grid-template-columns:1fr 1fr}.slider-prev,.slider-next{width:36px;height:36px;font-size:22px}}
@media (max-width:560px){.container{width:min(100% - 22px,1200px)}.logo img{max-height:42px}.header-register{min-height:38px;padding:9px 16px}.section{padding:24px 0}.card,.zone-card,.info-card,.review-card,.faq-item{padding:20px}.footer-grid{grid-template-columns:1fr}.banner-slider{min-height:180px;border-radius:16px}.slider-prev{left:10px}.slider-next{right:10px}.hero-actions{align-items:flex-start;flex-direction:column}.main-btn{width:auto}.section-title{font-size:26px}}