:root{
    --page-bg:#E6EBF2;
    --nav-bg:#F5F7FB;
    --soft-bg:#EEF2F7;
    --white:#FFFFFF;
    --title:#289CFF;
    --nav-text:#4E5F7A;
    --text:#243447;
    --muted:#66788A;
    --light:#8A9AAF;
    --footer:#243447;
    --footer-text:#EAF3FF;
    --line:rgba(40,156,255,0.16);
    --shadow:0 14px 36px rgba(56,92,138,0.10);
    --shadow-lg:0 18px 40px rgba(56,92,138,0.12);
    --grad:linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
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:1.75;padding-top:82px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
p{margin:0 0 14px;color:#66788A}
h1,h2,h3,.section-title{color:#289CFF;margin:0;line-height:1.25}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:#F5F7FB;box-shadow:0 10px 28px rgba(56,92,138,0.10);border-bottom:1px solid rgba(40,156,255,0.12)}
.header-inner{max-width:1240px;margin:0 auto;height:82px;padding:0 22px;display:flex;align-items:center;gap:18px}
.brand-link{display:flex;align-items:center;gap:10px;min-width:max-content;font-weight:800;font-size:20px;color:#243447}
.site-logo{width:46px;height:46px;object-fit:contain}
.nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{color:#4E5F7A;font-size:14px;font-weight:700;padding:9px 10px;border-radius:999px;white-space:nowrap;transition:.2s ease}
.nav a:hover,.nav a.active{color:#289CFF;background:rgba(40,156,255,0.10)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 24px;border-radius:999px;background:linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);color:#FFFFFF;font-weight:800;border:0;box-shadow:0 10px 24px rgba(36,155,255,.25);cursor:pointer;transition:transform .2s ease, box-shadow .2s ease}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(36,155,255,.30)}
.header-btn{min-width:88px}
.menu-toggle{display:none;width:44px;height:44px;border:0;background:#FFFFFF;border-radius:14px;box-shadow:0 10px 22px rgba(56,92,138,0.12);padding:11px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:#289CFF;border-radius:2px;margin:5px 0}
.mobile-mask{position:fixed;inset:0;background:rgba(36,52,71,.38);opacity:0;pointer-events:none;transition:.2s;z-index:1001}
.mobile-mask.show{opacity:1;pointer-events:auto}
.mobile-panel{position:fixed;top:0;right:-330px;width:310px;max-width:86vw;height:100vh;background:#F5F7FB;z-index:1002;padding:18px;box-shadow:-20px 0 40px rgba(36,52,71,.18);transition:right .25s ease;display:flex;flex-direction:column}
.mobile-panel.open{right:0}
.mobile-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.mobile-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:#243447;font-size:18px}
.mobile-logo img{width:44px;height:44px;object-fit:contain}
.mobile-close{width:40px;height:40px;border:0;border-radius:12px;background:#FFFFFF;color:#289CFF;font-size:28px;line-height:1;cursor:pointer}
.mobile-nav{display:grid;gap:8px;overflow:auto;padding-right:4px}
.mobile-nav a{padding:12px 14px;border-radius:14px;background:#FFFFFF;color:#4E5F7A;font-weight:700;border:1px solid rgba(40,156,255,0.12)}
.mobile-nav a.active{color:#289CFF;background:#EEF7FF}
.mobile-register{margin-top:18px;width:100%}
.mobile-tip{font-size:13px;color:#8A9AAF;margin-top:14px}
.menu-open{overflow:hidden}
.page-shell{max-width:1240px;margin:0 auto;padding:26px 22px 60px}
.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;min-height:420px}
.slider-track{position:relative;height:520px;background:#FFFFFF}
.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .5s ease;display:grid;grid-template-columns:1fr;align-items:stretch;background:#FFFFFF}
.slide.active{opacity:1;pointer-events:auto}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.slide-copy{position:absolute;left:34px;bottom:34px;max-width:480px;padding:24px;border-radius:22px;background:rgba(255,255,255,.88);box-shadow:0 14px 34px rgba(56,92,138,.15);backdrop-filter:blur(8px)}
.slide-copy span{display:inline-flex;color:#289CFF;font-weight:800;margin-bottom:6px}
.slide-copy h1,.slide-copy h2{font-size:34px;color:#289CFF;margin-bottom:10px}
.slide-copy p{color:#243447;margin-bottom:16px}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:#289CFF;font-size:26px;box-shadow:0 10px 28px rgba(56,92,138,.16);cursor:pointer;z-index:3}
.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:8px;z-index:4}
.slider-dots button{width:10px;height:10px;border:0;border-radius:50%;background:rgba(40,156,255,.28);cursor:pointer;padding:0}
.slider-dots button.active{width:28px;border-radius:999px;background:#289CFF}
.section{margin:34px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}
.section-title{font-size:30px;font-weight:900}
.section-sub{max-width:720px;color:#66788A}
.card,.zone-card,.info-card,.review-card,.faq-card,.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:22px;padding:24px}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-card h3,.step-card h3{font-size:20px;margin-bottom:10px;color:#289CFF}
.grid{display:grid;gap:18px}
.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))}
.grid.five{grid-template-columns:repeat(5,minmax(0,1fr))}
.intro-card{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:26px;padding:30px;background:rgba(255,255,255,.92);border-radius:26px;border:1px solid rgba(40,156,255,.16);box-shadow:var(--shadow)}
.intro-card h2{font-size:32px;margin-bottom:12px}
.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}
.intro-card img,.hero-visual img,.image-panel img,.zone-card img{width:100%;max-height:360px;object-fit:contain;background:#FFFFFF;border-radius:18px;border:1px solid rgba(40,156,255,.10)}
.text-link{display:inline-flex;color:#289CFF;font-weight:800;margin-top:8px}
.category-card{min-height:180px;display:flex;flex-direction:column;justify-content:space-between}
.badge{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 10px;border-radius:999px;background:rgba(40,156,255,.10);color:#289CFF;font-weight:900;margin-bottom:10px}
.zone-card{display:flex;flex-direction:column;gap:12px}
.zone-card .meta{color:#8A9AAF;font-size:14px}
.app-section{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px;align-items:center;background:#EEF2F7;border-radius:26px;padding:26px;border:1px solid rgba(40,156,255,.12)}
.app-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
.app-points span{background:#FFFFFF;border-radius:14px;padding:12px 14px;color:#4E5F7A;font-weight:700;border:1px solid rgba(40,156,255,.12)}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step-card{position:relative;padding-top:58px}
.step-card:before{counter-increment:step;content:counter(step);position:absolute;top:18px;left:22px;width:30px;height:30px;border-radius:50%;background:rgba(40,156,255,.12);color:#289CFF;font-weight:900;display:grid;place-items:center}
.review-card p{color:#4E5F7A}.review-card strong{display:block;color:#289CFF;margin-bottom:8px}
.notice-panel{background:#243447;color:#EAF3FF;border-radius:26px;padding:28px;box-shadow:0 18px 40px rgba(36,52,71,.16)}
.notice-panel h2,.notice-panel h3{color:#EAF3FF}.notice-panel p{color:#EAF3FF}.notice-panel .text-link{color:#FFFFFF}
.inner-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);border-radius:28px;padding:34px;box-shadow:var(--shadow-lg);margin:26px 0 32px}
.eyebrow{display:inline-flex;color:#289CFF;font-weight:900;margin-bottom:10px}
.inner-hero h1{font-size:40px;margin-bottom:14px}
.hero-actions{display:flex;align-items:center;gap:14px;margin-top:18px;flex-wrap:wrap}
.visual-note{margin-top:12px;padding:12px 14px;border-radius:16px;background:#F5F7FB;color:#66788A;font-size:14px;border:1px solid rgba(40,156,255,.12)}
.inner-section{margin:32px 0}
.inner-title{font-size:28px;margin-bottom:16px}
.faq-list{display:grid;gap:14px}
.faq-card h3{font-size:18px}
.service-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.link-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.link-pill{display:inline-flex;align-items:center;border-radius:999px;background:#FFFFFF;border:1px solid rgba(40,156,255,.16);color:#289CFF;font-weight:800;padding:8px 14px}
.site-footer{background:#243447;color:#EAF3FF;margin-top:20px}
.footer-inner{max-width:1240px;margin:0 auto;padding:42px 22px 28px;display:grid;grid-template-columns:1.1fr 1.6fr;gap:36px}
.footer-brand img{width:54px;height:54px;object-fit:contain;margin-bottom:12px}
.footer-brand p{color:#EAF3FF;max-width:460px}
.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.footer-links h3{color:#EAF3FF;margin-bottom:12px;font-size:18px}
.footer-links a{display:block;color:#EAF3FF;opacity:.88;margin:8px 0}
.footer-links a:hover{opacity:1;color:#FFFFFF}
.footer-notice{max-width:1240px;margin:0 auto;border-top:1px solid rgba(234,243,255,.18);padding:18px 22px 30px}
.footer-notice p{color:#EAF3FF;font-size:14px;margin:0}
.simple-page{max-width:900px;margin:34px auto;background:#FFFFFF;border-radius:24px;padding:34px;box-shadow:var(--shadow);border:1px solid rgba(40,156,255,.16)}
.simple-page h1{font-size:34px;margin-bottom:14px}
@media(max-width:1100px){
    body{padding-top:74px}.header-inner{height:74px}.nav{justify-content:flex-start}.nav a{font-size:13px;padding:8px}.grid.four,.grid.five{grid-template-columns:repeat(2,minmax(0,1fr))}.slider-track{height:450px}.slide-copy h1,.slide-copy h2{font-size:28px}.service-list,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:860px){
    .nav,.header-btn{display:none}.menu-toggle{display:block;margin-left:auto}.brand-link span{font-size:18px}.page-shell{padding:18px 16px 44px}.banner-slider{margin:18px auto 24px;min-height:360px;border-radius:18px}.slider-track{height:390px}.slide-copy{left:16px;right:16px;bottom:44px;padding:18px}.slide-copy h1,.slide-copy h2{font-size:24px}.intro-card,.inner-hero,.app-section{grid-template-columns:1fr;padding:22px}.grid.two,.grid.three,.grid.four,.grid.five,.service-list,.steps,.app-points{grid-template-columns:1fr}.section-title,.intro-card h2,.inner-title{font-size:25px}.inner-hero h1{font-size:30px}.section-head{display:block}.footer-inner{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.slider-arrow{width:38px;height:38px;font-size:22px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}
}
@media(max-width:560px){
    body{padding-top:68px}.header-inner{height:68px;padding:0 14px}.site-logo{width:40px;height:40px}.banner-slider{min-height:310px}.slider-track{height:340px}.slide-copy{position:absolute;left:12px;right:12px;bottom:38px;padding:14px;border-radius:18px}.slide-copy p{font-size:14px;margin-bottom:10px}.slide-copy h1,.slide-copy h2{font-size:21px}.main-btn{min-height:40px;padding:0 18px}.card,.zone-card,.info-card,.review-card,.faq-card,.step-card{padding:18px}.footer-links{grid-template-columns:1fr}.simple-page{margin:20px 14px;padding:24px}
}