:root{
    --page-bg:#F0F3FA;--soft-blue:#D8F7FF;--nav-bg:#EAFBFF;--sub-bg:#F5FDFF;--white:#FFFFFF;
    --blue:#27A9E8;--nav-blue:#167BB8;--deep:#1D2B36;--muted:#5D7280;--light:#8194A0;
    --footer:#063B5C;--footer-text:#EAFBFF;--card:rgba(255,255,255,0.88);--border:rgba(39,169,232,0.22);
    --shadow:0 14px 36px rgba(16,126,180,0.14);
    --btn:linear-gradient(180deg,#52C8FF 0%,#27A9E8 55%,#168BD0 100%);
    --btn-hover:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:var(--page-bg);color:var(--deep);line-height:1.75}
body.drawer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.site-header{position:sticky;top:0;z-index:9999;background:#EAFBFF;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(16,126,180,0.14)}
.header-inner{max-width:1240px;margin:0 auto;min-height:76px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand-logo img{width:148px;max-height:54px;object-fit:contain}
.main-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}
.main-nav a{color:#167BB8;font-weight:700;font-size:15px;padding:18px 12px;border-radius:14px;transition:.25s ease;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#27A9E8;background:linear-gradient(180deg,rgba(39,169,232,0.14),rgba(39,169,232,0.04));box-shadow:inset 0 -2px 0 #27A9E8,0 10px 22px rgba(39,169,232,0.16)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 24px;color:#fff;background:var(--btn);border-radius:999px;font-weight:800;letter-spacing:.03em;box-shadow:0 10px 24px rgba(39,169,232,0.28);transition:.25s ease;border:0;white-space:nowrap}
.main-btn:hover{background:var(--btn-hover);transform:translateY(-1px)}
.text-link{display:inline-flex;color:#27A9E8;font-weight:800;border-bottom:1px solid rgba(39,169,232,.35)}
.text-link:hover{border-color:#27A9E8}
.menu-toggle{display:none;width:44px;height:44px;border:0;background:transparent;padding:8px;cursor:pointer}
.menu-toggle span{display:block;height:3px;margin:6px 0;border-radius:6px;background:#167BB8}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.38);opacity:0;visibility:hidden;transition:.25s ease}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#F5FDFF;transform:translateX(-105%);transition:.28s ease;box-shadow:18px 0 42px rgba(6,59,92,.24);z-index:10001;overflow-y:auto;padding:18px}
.mobile-drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid rgba(39,169,232,.18)}
.drawer-logo img{width:140px;max-height:52px;object-fit:contain}
.drawer-close{width:40px;height:40px;border:0;border-radius:50%;background:rgba(39,169,232,.12);color:#27A9E8;font-size:30px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;gap:8px;padding:18px 0}
.drawer-nav a{padding:12px 14px;color:#167BB8;border-radius:12px;font-weight:800;background:rgba(255,255,255,.68)}
.drawer-nav a.active{color:#27A9E8;box-shadow:inset 3px 0 0 #27A9E8;background:rgba(39,169,232,.11)}
.drawer-note{padding:14px;border-radius:16px;background:#fff;color:#5D7280;font-size:13px}
.page-main{max-width:100%;overflow:hidden}
.section,.inner-hero,.banner-slider{max-width:1200px;margin-left:auto;margin-right:auto}
.banner-slider{margin-top:28px;margin-bottom:36px;border-radius:24px;background:#F5FDFF;box-shadow:0 18px 40px rgba(16,126,180,0.14);overflow:hidden;position:relative;min-height:440px}
.slider-track{position:relative;min-height:440px}
.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .5s ease;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:28px;padding:36px;background:linear-gradient(135deg,#F5FDFF 0%,#D8F7FF 100%)}
.slide.active{opacity:1;pointer-events:auto;position:relative}
.slide img{width:100%;height:360px;object-fit:contain;background:#F5FDFF;border-radius:20px}
.slide-copy{max-width:520px}
.eyebrow{display:inline-flex;color:#27A9E8;background:rgba(39,169,232,.12);border:1px solid rgba(39,169,232,.22);padding:5px 12px;border-radius:999px;font-size:14px;font-weight:800;margin-bottom:12px}
.slide h1,.inner-hero h1{color:#27A9E8;font-size:clamp(34px,5vw,58px);line-height:1.15;margin:0 0 18px}
.slide p,.inner-hero p{color:#5D7280;font-size:17px;margin:0 0 22px}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:44px;height:44px;border:0;border-radius:50%;color:#fff;background:rgba(39,169,232,.82);font-size:30px;cursor:pointer;box-shadow:0 10px 22px rgba(16,126,180,.2)}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{position:absolute;z-index:7;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:10px}
.slider-dot{width:12px;height:12px;border:0;border-radius:50%;background:rgba(22,123,184,.28);cursor:pointer}
.slider-dot.active{width:30px;border-radius:999px;background:#27A9E8}
.section{margin-top:38px;padding:0 20px}
.section-block{padding:34px;border-radius:24px;background:rgba(255,255,255,.72);border:1px solid rgba(39,169,232,.16);box-shadow:var(--shadow)}
.section-head{max-width:840px;margin:0 auto 24px;text-align:center}
.section-head.left{text-align:left;margin-left:0}
.section-title,.section h2{color:#27A9E8;font-size:clamp(28px,4vw,42px);line-height:1.25;margin:0 0 12px}
.section h3,.inner-hero h2,.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-item h3{color:#27A9E8}
.section-head p,.card p,.zone-card p,.info-card p,.review-card p,.faq-item p,.list-card li,.timeline li{color:#5D7280}
.muted{color:#5D7280}.small{color:#8194A0;font-size:14px}
.intro-grid,.app-grid,.support-grid,.inner-hero,.two-col{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:28px}
.inner-hero{margin-top:30px;padding:38px;border-radius:26px;background:linear-gradient(135deg,#F5FDFF 0%,#D8F7FF 100%);box-shadow:var(--shadow)}
.inner-hero img,.content-img{width:100%;max-height:420px;object-fit:contain;background:#F5FDFF;border-radius:22px;border:1px solid rgba(39,169,232,.16)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px}
.tag-list span,.num{display:inline-flex;align-items:center;justify-content:center;color:#27A9E8;background:rgba(39,169,232,.12);border:1px solid rgba(39,169,232,.2);border-radius:999px;padding:6px 12px;font-weight:800}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box,.list-card{background:rgba(255,255,255,0.88);border:1px solid rgba(39,169,232,0.22);box-shadow:0 14px 36px rgba(16,126,180,0.12);border-radius:22px;padding:24px}
.zone-card{display:flex;flex-direction:column;gap:14px}
.zone-card img{width:100%;height:188px;object-fit:contain;background:#F5FDFF;border-radius:18px;border:1px solid rgba(39,169,232,.12)}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-item h3{margin:0 0 10px;font-size:21px}
.card p,.zone-card p,.info-card p,.review-card p,.faq-item p{margin:0 0 14px}
.list-card ul,.timeline{padding-left:0;margin:0;list-style:none;display:grid;gap:12px}
.list-card li,.timeline li{position:relative;padding-left:28px}
.list-card li:before,.timeline li:before{content:"";position:absolute;left:0;top:.7em;width:10px;height:10px;border-radius:50%;background:#27A9E8;box-shadow:0 0 0 6px rgba(39,169,232,.12)}
.review-card{display:flex;flex-direction:column}
.review-card strong{color:#1D2B36;margin-bottom:8px}
.notice-box{background:linear-gradient(135deg,rgba(216,247,255,.9),rgba(255,255,255,.92))}
.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.faq-list{display:grid;gap:16px}
.faq-item h3{font-size:19px}
.site-footer{margin-top:60px;background:#063B5C;color:#EAFBFF}
.footer-inner{max-width:1200px;margin:0 auto;padding:42px 20px 30px;display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:28px}
.footer-brand img{width:150px;max-height:56px;object-fit:contain;margin-bottom:16px}
.footer-brand p,.footer-reminder p{color:rgba(234,251,255,.86);margin:0}
.footer-links{display:grid;gap:8px;align-content:start}
.footer-links h3{margin:0 0 8px;color:#fff;font-size:18px}
.footer-links a{color:rgba(234,251,255,.84)}
.footer-links a:hover{color:#fff}
.footer-reminder{max-width:1200px;margin:0 auto;padding:20px;border-top:1px solid rgba(234,251,255,.18);display:grid;gap:10px}
.footer-reminder p:last-child{font-size:14px;color:rgba(234,251,255,.7)}
@media (max-width:1100px){.main-nav a{font-size:14px;padding:16px 8px}.brand-logo img{width:132px}}
@media (max-width:920px){
.header-inner{min-height:66px;display:grid;grid-template-columns:56px 1fr auto;gap:10px}.menu-toggle{display:block}.brand-logo{justify-self:center}.brand-logo img{width:136px}.main-nav{display:none}.header-btn{padding:8px 18px;min-height:38px}
.banner-slider{margin:18px 14px 28px;min-height:unset;border-radius:20px}.slider-track{min-height:unset}.slide{grid-template-columns:1fr;padding:26px 20px 54px;gap:16px}.slide img{height:250px;order:-1}.slider-arrow{width:38px;height:38px;font-size:24px}
.intro-grid,.app-grid,.support-grid,.inner-hero,.two-col{grid-template-columns:1fr}.inner-hero{margin:18px 14px 28px;padding:24px}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.section{margin-top:28px;padding:0 14px}.section-block{padding:22px}.footer-inner{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.header-inner{padding:0 12px}.brand-logo img{width:118px}.header-btn{padding:7px 14px;font-size:14px}.slide h1,.inner-hero h1{font-size:31px}.section-title,.section h2{font-size:26px}.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box,.list-card{padding:19px;border-radius:18px}.zone-card img{height:150px}.footer-inner{grid-template-columns:1fr}}