:root{
    --bg:#F0F3FA;
    --sky:#D8F7FF;
    --nav:#EAFBFF;
    --soft:#F5FDFF;
    --white:#FFFFFF;
    --ice:#C8F0FF;
    --blue:#27A9E8;
    --deep-blue:#167BB8;
    --text:#1D2B36;
    --sub:#5D7280;
    --muted:#8194A0;
    --footer:#063B5C;
    --footer-text:#EAFBFF;
    --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%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#F0F3FA;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{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)}
.desktop-nav-wrap{max-width:1240px;margin:0 auto;min-height:78px;padding:0 22px;display:flex;align-items:center;gap:18px}
.brand-logo,.mobile-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center}
.brand-logo img{width:148px;max-height:54px;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;white-space:nowrap}
.nav a{color:#167BB8;font-weight:700;font-size:15px;padding:12px 11px;border-radius:14px;transition:.22s ease}
.nav a:hover,.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;background:linear-gradient(180deg,#52C8FF 0%,#27A9E8 55%,#168BD0 100%);color:#FFFFFF;border-radius:999px;box-shadow:0 10px 24px rgba(39,169,232,0.28);font-weight:800;min-height:42px;padding:10px 24px;border:0;transition:.22s ease;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);transform:translateY(-1px)}
.header-btn{min-width:88px}
.mobile-topbar{display:none;min-height:68px;padding:0 14px;align-items:center;justify-content:space-between;background:#EAFBFF}
.mobile-logo img,.drawer-logo img{width:138px;max-height:46px;object-fit:contain}
.menu-toggle{width:44px;height:44px;border:0;background:rgba(39,169,232,0.10);border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-toggle span{width:22px;height:2px;background:#167BB8;border-radius:10px}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:10000;opacity:0;pointer-events:none;transition:.24s ease}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#F5FDFF;z-index:10001;transform:translateX(-104%);transition:.28s ease;box-shadow:18px 0 42px rgba(6,59,92,.24);padding:16px;overflow-y:auto}
.drawer-open{overflow:hidden}
.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--border)}
.drawer-close{width:38px;height:38px;border:0;border-radius:12px;background:rgba(39,169,232,.12);color:#167BB8;font-size:28px;line-height:1}
.drawer-nav{display:grid;gap:8px;padding-top:16px}
.drawer-nav a{padding:13px 14px;border-radius:14px;background:#FFFFFF;color:#167BB8;font-weight:700;border:1px solid rgba(39,169,232,.14)}
.drawer-nav a.active{color:#27A9E8;box-shadow:inset 0 -2px 0 #27A9E8;background:rgba(39,169,232,.08)}
.page-shell{background:linear-gradient(180deg,#D8F7FF 0%,#F0F3FA 360px,#F0F3FA 100%);padding-bottom:52px;min-height:60vh}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#F5FDFF;box-shadow:0 18px 40px rgba(16,126,180,0.14);overflow:hidden;position:relative}
.slider-track{position:relative;height:470px;background:#F5FDFF}
.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .45s ease;display:grid;grid-template-columns:minmax(0,1fr);align-items:center;background:#F5FDFF}
.slide.active{opacity:1;pointer-events:auto}
.slide img{width:100%;height:100%;object-fit:contain;background:#F5FDFF}
.slide-copy{position:absolute;left:44px;bottom:42px;max-width:500px;background:rgba(245,253,255,.86);border:1px solid var(--border);box-shadow:0 16px 32px rgba(16,126,180,.16);border-radius:18px;padding:22px 24px}
.slide-copy span,.eyebrow,.section-heading span{display:inline-flex;color:#27A9E8;font-weight:800;letter-spacing:.04em;margin-bottom:8px}
.slide-copy h2{margin:0 0 8px;color:#27A9E8;font-size:34px;line-height:1.22}
.slide-copy p{margin:0;color:#5D7280;font-size:16px}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:#167BB8;font-size:24px;box-shadow:0 8px 20px rgba(16,126,180,.16);cursor:pointer}
.slider-prev{left:18px}.slider-next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:9px}
.slider-dot{width:10px;height:10px;border:0;border-radius:50%;background:rgba(22,123,184,.32);cursor:pointer}
.slider-dot.active{width:28px;border-radius:999px;background:#27A9E8}
.content-section,.inner-hero,.notice-band{max-width:1200px;margin:0 auto 34px;padding:0 22px}
.inner-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;padding-top:46px}
.inner-hero-text{background:rgba(255,255,255,.82);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:40px}
h1,h2,h3,.section-title{color:#27A9E8;line-height:1.28}
h1{font-size:42px;margin:0 0 16px}h2{font-size:30px;margin:0 0 12px}h3{font-size:20px;margin:0 0 10px}p{margin:0 0 14px}.inner-hero-text p{font-size:17px;color:#5D7280}.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 22px}.hero-tags span{color:#27A9E8;background:rgba(39,169,232,.12);border:1px solid var(--border);padding:8px 12px;border-radius:999px;font-weight:700}.inner-hero-media,.split-media{background:#F5FDFF;border:1px solid var(--border);border-radius:26px;box-shadow:var(--shadow);padding:18px;display:flex;align-items:center;justify-content:center;min-height:260px}.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}.inner-hero-media img,.split-media img{max-height:360px;width:100%;object-fit:contain}.section-heading{text-align:center;max-width:780px;margin:0 auto 24px}.section-heading p{color:#5D7280}.align-left{text-align:left;margin-left:0}.narrow-section{max-width:980px}.article-card,.card,.zone-card,.info-card,.review-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}.article-card{padding:30px}.article-card p{color:#1D2B36}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card{padding:24px}.info-card strong{display:inline-flex;color:#27A9E8;background:rgba(39,169,232,.12);padding:5px 10px;border-radius:999px;margin-bottom:14px}.info-card p,.review-card p,.zone-card p,.card p,.split-text p{color:#5D7280}.split-section{display:grid;grid-template-columns:1fr .78fr;gap:24px;align-items:center;background:rgba(255,255,255,.72);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:30px}.split-text{padding:4px 8px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:24px}.review-card b{color:#27A9E8}.faq-list{display:grid;gap:12px}.faq-list details{background:rgba(255,255,255,.9);border:1px solid var(--border);box-shadow:0 10px 26px rgba(16,126,180,.10);border-radius:18px;padding:18px 20px}.faq-list summary{cursor:pointer;color:#167BB8;font-weight:800}.faq-list p{color:#5D7280;margin:10px 0 0}.notice-band{background:linear-gradient(135deg,rgba(245,253,255,.92),rgba(216,247,255,.92));border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:28px}.notice-band p{color:#5D7280}.intro-section{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}.intro-card{padding:34px}.intro-card .main-btn{margin-top:8px}.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.tag-list span{background:rgba(39,169,232,.12);color:#27A9E8;border:1px solid var(--border);border-radius:999px;padding:8px 12px;font-weight:700}.media-card{background:#F5FDFF;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:18px;display:flex;align-items:center;justify-content:center}.media-card img{width:100%;max-height:340px;object-fit:contain}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.quick-card{padding:22px}.text-link{color:#27A9E8;font-weight:800;display:inline-flex;margin-top:4px}.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.zone-card{padding:18px}.zone-card figure{height:190px;background:#F5FDFF;border-radius:18px;display:flex;align-items:center;justify-content:center;margin:0 0 16px;padding:10px}.zone-card img{max-height:170px;width:100%;object-fit:contain}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.app-section{display:grid;grid-template-columns:.86fr 1.14fr;gap:24px;align-items:center;background:rgba(255,255,255,.82);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:28px}.app-section figure{background:#F5FDFF;border-radius:22px;padding:16px;margin:0;display:flex;align-items:center;justify-content:center}.app-section img{max-height:350px;object-fit:contain}.mini-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0}.mini-list span{background:#FFFFFF;border:1px solid var(--border);border-radius:14px;padding:12px;color:#167BB8;font-weight:700}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.site-footer{background:#063B5C;color:#EAFBFF;padding:48px 22px 0}.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.3fr .7fr .7fr .7fr;gap:28px}.footer-logo img{width:150px;max-height:54px;object-fit:contain;margin-bottom:14px}.footer-brand p{color:#EAFBFF;opacity:.88}.footer-btn{margin-top:6px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links h3{color:#EAFBFF;margin-bottom:8px}.footer-links a{color:#EAFBFF;opacity:.86}.footer-links a:hover{opacity:1;color:#FFFFFF}.footer-bottom{max-width:1200px;margin:34px auto 0;border-top:1px solid rgba(234,251,255,.18);padding:18px 0;text-align:center}.footer-bottom p{margin:0;color:#EAFBFF;opacity:.78;font-size:14px}.contact-box{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.contact-box .info-card{min-height:170px}.list-card{padding:24px}.list-card ul{margin:0;padding-left:20px;color:#5D7280}.list-card li{margin:8px 0}.faq-page .faq-list details{padding:22px 24px}
@media (max-width:1180px){.nav a{font-size:14px;padding:10px 8px}.feature-grid,.quick-grid{grid-template-columns:repeat(2,1fr)}.zone-grid,.steps-grid,.review-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:900px){.desktop-nav-wrap{display:none}.mobile-topbar{display:flex}.page-shell{background:linear-gradient(180deg,#D8F7FF 0%,#F0F3FA 300px,#F0F3FA 100%)}.banner-slider{margin:18px 14px 28px;border-radius:18px}.slider-track{height:390px}.slide-copy{left:18px;right:18px;bottom:44px;max-width:none;padding:18px}.slide-copy h2{font-size:26px}.slider-btn{width:38px;height:38px}.inner-hero,.intro-section,.split-section,.app-section{grid-template-columns:1fr}.inner-hero{padding-top:26px}.inner-hero-text{padding:28px}h1{font-size:34px}h2{font-size:26px}.footer-inner{grid-template-columns:1fr 1fr}.two-col,.contact-box{grid-template-columns:1fr}.mobile-topbar .header-btn{padding:8px 16px;min-width:70px}}
@media (max-width:640px){.content-section,.inner-hero,.notice-band{padding-left:14px;padding-right:14px;margin-bottom:26px}.slider-track{height:330px}.slide-copy{position:static;margin:0;border-radius:0;box-shadow:none;border-left:0;border-right:0}.slide{display:block}.slide img{height:220px}.slider-dots{bottom:10px}.slider-btn{top:110px}.quick-grid,.feature-grid,.zone-grid,.steps-grid,.review-grid,.mini-list{grid-template-columns:1fr}.article-card,.info-card,.review-card,.notice-band,.split-section,.app-section,.intro-card{padding:22px}.inner-hero-media,.split-media{min-height:210px}.footer-inner{grid-template-columns:1fr}.site-footer{padding-top:36px}.mobile-logo img{width:126px}.header-btn{font-size:14px}}