:root{
  --bg:#E6EBF2;
  --nav-bg:#F5F7FB;
  --card:#FFFFFF;
  --card-soft:#EEF2F7;
  --card-deep:#DDE4EE;
  --blue:#289CFF;
  --nav-text:#4E5F7A;
  --text:#243447;
  --muted:#66788A;
  --light:#8A9AAF;
  --footer:#243447;
  --footer-text:#EAF3FF;
  --shadow:0 14px 36px rgba(56,92,138,0.12);
  --border:rgba(40,156,255,0.16);
  --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(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.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;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{flex:0 0 auto;display:flex;align-items:center;min-width:142px}
.logo img{max-height:52px;width:auto;object-fit:contain}
.mobile-logo,.mobile-menu-btn{display:none}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:20px;white-space:nowrap;flex-wrap:nowrap}
.nav a,.more-toggle{position:relative;color:var(--nav-text);font-weight:700;font-size:15px;padding:22px 0;border:0;background:transparent;cursor:pointer;font-family:inherit;line-height:1}
.nav a.active,.nav a:hover,.more-toggle:hover{color:var(--blue)}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:999px;background:var(--blue)}
.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 22px;background:var(--btn);color:#fff;border-radius:999px;box-shadow:0 10px 24px rgba(36,155,255,0.25);font-weight:800;letter-spacing:.04em;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:190px;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;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s ease;padding:8px;white-space:nowrap}
.more-menu{right:0;left:auto}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu,.more-dropdown:hover .more-menu,.more-dropdown:focus-within .more-menu,.more-dropdown.open .more-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a,.more-menu a{display:block;padding:11px 14px;color:var(--nav-text);border-radius:10px;white-space:nowrap;font-weight:700}
.dropdown-menu a:hover,.more-menu a:hover,.dropdown-menu a.active,.more-menu a.active{color:var(--blue);background:rgba(40,156,255,0.08)}
.mobile-drawer,.drawer-mask{display:none}
.site-main{min-height:60vh}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.section{padding:34px 0}
.section.compact{padding:22px 0}
.hero-page{padding:46px 0 24px}
.eyebrow{display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;background:rgba(40,156,255,0.10);color:var(--blue);font-weight:800;font-size:14px;margin-bottom:12px}
h1,h2,h3,.section-title{color:var(--blue);line-height:1.28;margin:0 0 14px}
h1{font-size:clamp(30px,4vw,48px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:21px}
p{margin:0 0 12px;color:var(--text)}
.lead{font-size:18px;color:var(--muted);max-width:860px}
.muted{color:var(--muted)}
.tiny{color:var(--light);font-size:14px}
.grid{display:grid;gap:22px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-card{background:rgba(255,255,255,.92);border:1px solid var(--border);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:20px;padding:24px;overflow:hidden}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-card h3{margin-bottom:10px}
.text-link{color:var(--blue);font-weight:800;display:inline-flex;margin-top:6px}
.text-link:after{content:"›";margin-left:6px}
.media-card{padding:0;overflow:hidden}
.content-img,.zone-card img,.app-section img{max-width:100%;height:auto;object-fit:contain;border-radius:18px;background:#fff}
.media-card img{width:100%;height:300px;object-fit:contain;background:#fff;padding:8px}
.media-card .media-body{padding:24px}
.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;z-index:1;aspect-ratio:1200/440}
.slider-track{position:relative;width:100%;height:100%}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;pointer-events:none;background:#fff}
.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-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(40,156,255,.18);background:rgba(255,255,255,.86);box-shadow:0 8px 18px rgba(56,92,138,.14);color:var(--blue);font-size:30px;line-height:1;z-index:3;cursor:pointer}
.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;z-index:3}
.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(40,156,255,.30);cursor:pointer;padding:0}.slider-dot.active{width:26px;border-radius:999px;background:var(--blue)}
.welcome{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;align-items:center}
.welcome-visual{background:#fff;border-radius:22px;box-shadow:var(--shadow);border:1px solid var(--border);padding:12px}.welcome-visual img{width:100%;height:340px;object-fit:contain;background:#fff;border-radius:18px}
.feature-list{display:grid;gap:12px;margin-top:18px}.feature-list span{display:flex;gap:10px;align-items:flex-start;background:rgba(255,255,255,.72);border:1px solid var(--border);border-radius:14px;padding:12px;color:var(--muted)}.feature-list strong{color:var(--blue)}
.check-list{display:grid;gap:12px;padding:0;margin:16px 0 0;list-style:none}.check-list li{background:#fff;border:1px solid var(--border);border-radius:14px;padding:13px 16px;color:var(--muted)}.check-list li:before{content:"✓";color:var(--blue);font-weight:900;margin-right:8px}
.notice{border-left:4px solid var(--blue);background:#fff;border-radius:18px;padding:20px 22px;box-shadow:var(--shadow);color:var(--muted)}
.steps{counter-reset:step;display:grid;gap:16px}.step{position:relative;padding-left:66px}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:0;top:2px;width:46px;height:46px;border-radius:16px;background:rgba(40,156,255,.1);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900}
.review-card p{font-style:normal;color:var(--muted)}
.faq-list{display:grid;gap:16px}.faq-card h3{font-size:19px}.faq-card p{color:var(--muted)}
.page-visual{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}.page-visual .image-box{background:#fff;border-radius:22px;border:1px solid var(--border);box-shadow:var(--shadow);padding:12px}.page-visual img{width:100%;height:360px;object-fit:contain;border-radius:18px;background:#fff}
.page-kicker{color:var(--blue);font-weight:900;margin-bottom:8px}
.site-footer{background:var(--footer);color:var(--footer-text);margin-top:48px}.footer-inner{width:min(1200px,calc(100% - 40px));margin:0 auto;padding:42px 0;display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:28px}.footer-brand img{height:50px;width:auto;margin-bottom:14px}.site-footer p,.site-footer a{color:var(--footer-text)}.footer-links{display:grid;gap:10px;align-content:start}.footer-links a:hover{color:#8ED8FF}.footer-note{background:rgba(255,255,255,.08);border-radius:18px;padding:20px}
@media(max-width:1120px){.nav{gap:14px}.nav a,.more-toggle{font-size:14px}.header-inner{gap:14px}.logo{min-width:126px}.main-btn{padding:0 18px}}
@media(max-width:920px){
  .header-inner{min-height:68px;padding:0 14px;display:grid;grid-template-columns:48px 1fr auto;gap:10px}.desktop-logo,.nav-wrap{display:none}.mobile-logo{display:flex;justify-content:center;min-width:0}.mobile-logo img{max-height:46px}.mobile-menu-btn{display:inline-flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;width:44px;height:44px;border:0;background:#fff;border-radius:14px;box-shadow:0 8px 20px rgba(56,92,138,.10)}.mobile-menu-btn span{display:block;width:20px;height:2px;background:var(--blue);border-radius:4px}.main-btn{min-height:38px;padding:0 16px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(14,32,55,.42);z-index:10001;opacity:0;visibility:hidden;transition:.2s ease}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:84vw;max-width:320px;background:#fff;z-index:10002;transform:translateX(-105%);transition:.25s ease;box-shadow:20px 0 50px rgba(36,52,71,.18);overflow-y:auto}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.12)}.drawer-head img{height:46px;width:auto}.drawer-head button{width:38px;height:38px;border:0;border-radius:12px;background:rgba(40,156,255,.10);color:var(--blue);font-size:26px;line-height:1}.drawer-links{display:grid;padding:12px}.drawer-links a{padding:13px 14px;border-radius:12px;color:var(--nav-text);font-weight:800}.drawer-links a:hover{background:rgba(40,156,255,.08);color:var(--blue)}.container{width:min(100% - 28px,1200px)}.banner-slider{margin:18px auto 24px;border-radius:16px;aspect-ratio:16/8}.slider-arrow{width:36px;height:36px;font-size:26px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}.grid.two,.grid.three,.grid.four,.welcome,.page-visual,.footer-inner{grid-template-columns:1fr}.media-card img,.welcome-visual img,.page-visual img{height:auto;max-height:360px}.section{padding:26px 0}.hero-page{padding:32px 0 16px}.footer-inner{gap:18px;padding:34px 0}}
@media(max-width:520px){h1{font-size:28px}h2{font-size:23px}.card,.zone-card,.info-card,.review-card,.faq-card{padding:20px}.header-action .main-btn{padding:0 14px}.mobile-logo img{max-width:142px}.banner-slider{aspect-ratio:16/9}.slider-dots{bottom:10px}.slider-dot{width:8px;height:8px}.slider-dot.active{width:22px}.welcome-visual img,.page-visual img{max-height:280px}.step{padding-left:0;padding-top:58px}.step:before{top:0}}