:root{
    --bg:#F0F3FA;
    --soft:#D8F7FF;
    --nav:#EAFBFF;
    --panel:#F5FDFF;
    --white:#FFFFFF;
    --line:rgba(39,169,232,0.22);
    --title:#27A9E8;
    --navtext:#167BB8;
    --text:#1D2B36;
    --sub:#5D7280;
    --muted:#8194A0;
    --footer:#063B5C;
    --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:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.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:74px;padding:0 22px;display:flex;align-items:center;gap:22px}
.logo-wrap,.drawer-logo{display:flex;align-items:center;flex:0 0 auto}
.logo-wrap img{width:148px;max-height:48px;object-fit:contain}
.desktop-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;white-space:nowrap}
.desktop-nav a{color:#167BB8;font-size:15px;font-weight:700;padding:12px 10px;border-radius:12px;transition:.2s ease}
.desktop-nav a:hover,.desktop-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:var(--btn);color:#FFFFFF;border-radius:999px;box-shadow:0 10px 24px rgba(39,169,232,0.28);font-weight:800;padding:10px 22px;min-width:82px;transition:.2s ease;border:0;cursor:pointer}
.main-btn:hover{background:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);transform:translateY(-1px)}
.header-btn{flex:0 0 auto}
.menu-toggle{display:none;width:42px;height:42px;border:0;background:rgba(39,169,232,0.12);border-radius:12px;padding:10px;gap:5px;flex-direction:column;justify-content:center}
.menu-toggle span{display:block;height:2px;background:#167BB8;border-radius:2px}
.page-main{min-height:60vh}
.container{max-width:1200px;margin:0 auto;padding:0 22px}
.section{margin:34px auto}
.section-pad{padding:54px 0}
.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;min-height:430px}
.slide{display:none;position:relative;min-height:430px;background:#F5FDFF}
.slide.active{display:block}
.slide img{width:100%;height:430px;object-fit:contain;background:#F5FDFF}
.slide-copy{position:absolute;left:42px;bottom:38px;width:min(480px,calc(100% - 84px));padding:24px;border-radius:20px;background:rgba(245,253,255,.86);border:1px solid var(--line);box-shadow:0 14px 32px rgba(16,126,180,.16)}
.slide-copy h1,.slide-copy h2{margin:0 0 10px;color:#27A9E8;font-size:34px;line-height:1.18}
.slide-copy p{margin:0;color:#1D2B36;font-size:16px}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(39,169,232,.86);color:#fff;font-size:30px;line-height:1;cursor:pointer;box-shadow:0 10px 24px rgba(39,169,232,.26)}
.slider-prev{left:18px}.slider-next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:10px}
.slider-dot{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:rgba(39,169,232,.35);cursor:pointer;box-shadow:0 4px 12px rgba(16,126,180,.22)}
.slider-dot.active{background:#27A9E8;width:28px;border-radius:999px}
.hero-panel,.feature-panel,.two-col,.image-text,.notice-panel{background:rgba(255,255,255,0.88);border:1px solid rgba(39,169,232,0.22);box-shadow:var(--shadow);border-radius:24px;padding:32px}
.hero-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(234,251,255,.92))}
.hero-panel h1,.page-hero h1{margin:0 0 12px;color:#27A9E8;font-size:42px;line-height:1.2}
.hero-panel p,.page-hero p{color:#5D7280;margin:0 0 18px;font-size:17px}
.kicker{color:#27A9E8;font-weight:800;letter-spacing:.08em;margin-bottom:8px;display:block}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.tags span,.mini-tag{display:inline-flex;align-items:center;border:1px solid var(--line);background:#EAFBFF;color:#27A9E8;border-radius:999px;padding:6px 12px;font-weight:800;font-size:13px}
.content-img{width:100%;max-height:380px;object-fit:contain;background:#F5FDFF;border-radius:20px;border:1px solid var(--line);padding:10px}
.page-hero{max-width:1200px;margin:28px auto 34px;padding:42px 22px}
.page-hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(216,247,255,.82));border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:36px}
.page-hero .content-img{max-height:360px}
.section-title{margin:0 0 16px;color:#27A9E8;font-size:30px;line-height:1.28}
.section-desc{margin:0 0 24px;color:#5D7280;max-width:860px;font-size:17px}
.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{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}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-item h3{margin:0 0 10px;color:#27A9E8;font-size:21px}
.card p,.zone-card p,.info-card p,.review-card p,.faq-item p{margin:0;color:#5D7280}
.zone-card img,.app-section img{width:100%;height:180px;object-fit:contain;background:#F5FDFF;border-radius:18px;border:1px solid var(--line);padding:8px;margin-bottom:16px}
.text-link{display:inline-flex;margin-top:14px;color:#27A9E8;font-weight:800;align-items:center;gap:6px}
.text-link:after{content:'›';font-size:18px}
.steps{counter-reset:item;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step{position:relative;padding:24px 22px 22px 62px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 28px rgba(16,126,180,.10)}
.step:before{counter-increment:item;content:counter(item);position:absolute;left:18px;top:22px;width:32px;height:32px;border-radius:50%;background:#27A9E8;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.step h3{margin:0 0 8px;color:#27A9E8}.step p{margin:0;color:#5D7280}
.image-text{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}
.app-section{background:linear-gradient(135deg,rgba(234,251,255,.92),rgba(255,255,255,.92));border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:32px;display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center}
.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}
.feature-list span{background:#F5FDFF;border:1px solid var(--line);border-radius:16px;padding:13px 16px;color:#167BB8;font-weight:800}
.notice-panel{background:linear-gradient(135deg,#EAFBFF,#FFFFFF)}
.notice-panel p{margin:0;color:#5D7280}
.faq-list{display:grid;gap:16px}
.review-card strong{display:block;color:#1D2B36;margin-bottom:8px}
.site-footer{margin-top:54px;background:#063B5C;color:#EAFBFF}
.footer-inner{max-width:1200px;margin:0 auto;padding:46px 22px;display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:30px}
.footer-brand img{width:148px;max-height:48px;object-fit:contain;margin-bottom:16px}
.footer-brand p,.footer-note p{margin:0;color:rgba(234,251,255,.86)}
.footer-links h3,.footer-note h3{margin:0 0 14px;color:#FFFFFF;font-size:18px}
.footer-links a{display:block;color:#EAFBFF;margin:8px 0}
.copyright{text-align:center;border-top:1px solid rgba(234,251,255,.18);padding:16px;color:rgba(234,251,255,.76)}
.mobile-drawer{position:fixed;left:0;top:0;width:84vw;max-width:320px;height:100vh;background:#F5FDFF;z-index:10001;transform:translateX(-104%);transition:.25s ease;box-shadow:18px 0 40px rgba(6,59,92,.22);overflow:auto}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:10000;opacity:0;visibility:hidden;transition:.25s ease}
.drawer-open .drawer-mask{opacity:1;visibility:visible}.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)}
.drawer-logo img{width:138px;max-height:44px;object-fit:contain}
.drawer-close{border:0;background:#EAFBFF;color:#167BB8;font-size:28px;width:42px;height:42px;border-radius:12px;line-height:1;cursor:pointer}
.drawer-nav{padding:16px}.drawer-nav a{display:block;color:#167BB8;font-weight:800;border-radius:14px;padding:13px 14px;margin:5px 0;background:#FFFFFF;border:1px solid rgba(39,169,232,.12)}
.drawer-nav a.active{color:#27A9E8;background:linear-gradient(180deg,rgba(39,169,232,.13),rgba(39,169,232,.04));box-shadow:inset 0 -2px 0 #27A9E8}
@media (max-width:1100px){.desktop-nav{display:none}.menu-toggle{display:flex}.header-inner{justify-content:space-between;min-height:68px}.logo-wrap{position:absolute;left:50%;transform:translateX(-50%)}.logo-wrap img{width:132px}.header-btn{padding:9px 16px;min-width:68px}.hero-panel,.page-hero-inner,.image-text,.app-section{grid-template-columns:1fr}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr 1fr}.banner-slider{margin:18px 16px 30px;min-height:360px}.slide,.slide img{min-height:360px;height:360px}.slide-copy{left:20px;bottom:26px;width:calc(100% - 40px)}.slide-copy h1,.slide-copy h2{font-size:28px}}
@media (max-width:720px){.container{padding:0 16px}.section{margin:24px auto}.hero-panel,.page-hero-inner,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-panel,.app-section,.image-text{padding:20px;border-radius:18px}.hero-panel h1,.page-hero h1{font-size:30px}.section-title{font-size:25px}.grid-4,.grid-3,.grid-2,.steps,.feature-list,.footer-inner{grid-template-columns:1fr}.banner-slider{border-radius:16px;min-height:300px}.slide,.slide img{min-height:300px;height:300px}.slide-copy{position:relative;left:auto;bottom:auto;width:auto;margin:0;border-radius:0;border-left:0;border-right:0}.slider-arrow{width:38px;height:38px;font-size:24px}.slider-prev{left:10px}.slider-next{right:10px}.page-hero{padding:18px 16px}.content-img{max-height:300px}.zone-card img,.app-section img{height:160px}}