:root{
    --bg:#EEF6FA;
    --nav:#08263A;
    --title:#0A3B5A;
    --brand:#0E88C8;
    --deep:#075C91;
    --cyan:#18D4C6;
    --soft:#F8FBFD;
    --text:#1F2D38;
    --muted:#5E7080;
    --light:#8A9AA8;
    --border:rgba(14,136,200,0.14);
    --shadow:0 14px 36px rgba(7,92,145,0.10);
    --btn:linear-gradient(135deg,#0E88C8 0%,#075C91 52%,#18D4C6 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:1.72;
    padding-top:126px;
}
body.panel-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.site-header{
    position:fixed;
    top:0;
    left:0;
    right:0;
    z-index:9000;
    background:var(--nav);
    box-shadow:0 8px 24px rgba(7,92,145,0.18);
}
.topbar{
    max-width:1200px;
    height:72px;
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:18px;
    padding:0 20px;
    min-width:0;
}
.site-logo{
    color:var(--cyan);
    font-weight:800;
    letter-spacing:1px;
    font-size:28px;
    white-space:nowrap;
}
.nav-core{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    flex:1;
    min-width:0;
}
.nav-core a{
    color:#EAF6FC;
    background:rgba(255,255,255,0.08);
    border-radius:999px;
    padding:8px 16px;
    font-size:15px;
    white-space:nowrap;
    transition:.2s ease;
}
.nav-core a:hover,.nav-core a.active{
    color:var(--cyan);
    background:rgba(24,212,198,0.12);
    box-shadow:inset 0 -2px 0 var(--cyan);
}
.header-actions{display:flex;align-items:center;gap:10px;white-space:nowrap}
.quick-btn{
    border:1px solid rgba(24,212,198,.42);
    background:rgba(255,255,255,.08);
    color:#EAF6FC;
    border-radius:999px;
    padding:9px 16px;
    cursor:pointer;
    font-weight:700;
}
.quick-btn:hover{color:var(--cyan);border-color:var(--cyan)}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--btn);
    color:#fff;
    border-radius:999px;
    box-shadow:0 10px 24px rgba(7,92,145,.18);
    font-weight:700;
    padding:10px 22px;
    transition:.18s ease;
    border:0;
}
.main-btn:hover{transform:translateY(-1px)}
.channel-strip{
    height:54px;
    max-width:1200px;
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:10px;
    padding:0 20px 12px;
    overflow:hidden;
}
.channel-strip a{
    color:var(--title);
    background:#fff;
    border:1px solid var(--border);
    border-radius:999px;
    padding:7px 16px;
    white-space:nowrap;
    font-size:14px;
    transition:.2s ease;
}
.channel-strip a:hover,.channel-strip a.active{
    color:var(--brand);
    border-color:rgba(24,212,198,.55);
    box-shadow:0 8px 18px rgba(7,92,145,.10);
}
.mobile-menu-btn{display:none}
.site-main{min-height:64vh}
.container,.page-hero,.page-content,.home-wrap{
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
}
.page-hero{
    padding-top:34px;
    padding-bottom:14px;
}
.page-hero-inner{
    background:linear-gradient(135deg,#fff 0%,#E8F4FA 56%,#E9FFFC 100%);
    border:1px solid var(--border);
    border-radius:28px;
    padding:36px;
    box-shadow:var(--shadow);
}
.kicker,.section-kicker,.tag,.label,.num,.badge{color:var(--brand);font-weight:800}
h1,h2,h3,.section-title{color:var(--title);line-height:1.32;margin-top:0}
h1{font-size:38px;margin-bottom:14px}
h2{font-size:28px;margin-bottom:14px}
h3{font-size:21px;margin-bottom:10px}
p{margin:0 0 14px}
.lead{font-size:18px;color:var(--muted);max-width:840px}
.section{
    max-width:1200px;
    margin:26px auto;
    padding:0 20px;
}
.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:18px;
    margin-bottom:18px;
}
.section-head p{color:var(--muted);max-width:680px}
.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,.notice-box{
    background:#fff;
    border:1px solid var(--border);
    box-shadow:var(--shadow);
    border-radius:22px;
    padding:22px;
}
.card.soft,.notice-box{background:var(--soft)}
.text-link{
    display:inline-flex;
    margin-top:8px;
    color:var(--brand);
    font-weight:800;
}
.text-link:hover{color:var(--cyan)}
.content-img,.zone-card img,.app-section img{
    width:100%;
    max-width:100%;
    object-fit:contain;
    background:#fff;
    border-radius:20px;
    border:1px solid var(--border);
    margin-bottom:16px;
}
.content-img{max-height:320px}
.zone-card img{height:190px}
.app-section img{max-height:280px}
.banner-slider{
    max-width:1200px;
    height:386px;
    margin:28px auto 36px;
    border-radius:24px;
    background:#fff;
    box-shadow:0 16px 38px rgba(7,92,145,.12);
    overflow:hidden;
    position:relative;
    z-index:1;
}
.banner-slider .slide{display:none;width:100%;height:100%;position:relative}
.banner-slider .slide.active{display:block}
.banner-slider img{
    width:100%;
    height:100%;
    object-fit:contain;
    background:#fff;
}
.slide-caption{
    position:absolute;
    left:28px;
    bottom:28px;
    max-width:450px;
    padding:18px 22px;
    border-radius:20px;
    background:rgba(6,27,43,.76);
    color:#EAF6FC;
    backdrop-filter:blur(4px);
}
.slide-caption strong{display:block;color:var(--cyan);font-size:22px;margin-bottom:5px}
.slide-caption p{margin:0;color:#EAF6FC}
.slider-arrow{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    z-index:3;
    border:none;
    width:42px;
    height:42px;
    border-radius:999px;
    background:rgba(255,255,255,.88);
    color:var(--brand);
    box-shadow:0 8px 20px rgba(7,92,145,.16);
    cursor:pointer;
    font-size:24px;
}
.slider-arrow.prev{left:18px}
.slider-arrow.next{right:18px}
.slider-dots{
    position:absolute;
    left:50%;
    bottom:14px;
    transform:translateX(-50%);
    display:flex;
    gap:8px;
    z-index:3;
}
.slider-dots button{
    width:9px;
    height:9px;
    border-radius:50%;
    border:none;
    background:rgba(14,136,200,.26);
    cursor:pointer;
}
.slider-dots button.active{background:var(--cyan)}
.feature-card{
    display:flex;
    gap:20px;
    align-items:center;
}
.feature-card .feature-text{flex:1}
.feature-card .content-img{width:42%;margin:0}
.mini-list{display:grid;gap:10px;margin:14px 0 0;padding:0;list-style:none}
.mini-list li{
    padding:10px 12px;
    background:#F8FBFD;
    border:1px solid var(--border);
    border-radius:14px;
}
.steps{counter-reset:item;display:grid;gap:12px;margin:0;padding:0;list-style:none}
.steps li{
    counter-increment:item;
    padding:14px 16px;
    border-radius:16px;
    background:#F8FBFD;
    border:1px solid var(--border);
}
.steps li:before{
    content:counter(item,decimal-leading-zero);
    color:var(--brand);
    font-weight:900;
    margin-right:10px;
}
.review-card p{color:var(--muted)}
.review-card strong{display:block;color:var(--title);margin-bottom:8px}
.faq-item h3{font-size:18px}
.page-body{
    display:grid;
    grid-template-columns:minmax(0,1fr) 320px;
    gap:24px;
    align-items:start;
}
.page-main,.page-side{display:grid;gap:20px}
.page-main .card p{color:var(--text)}
.side-sticky{position:sticky;top:150px}
.inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.inline-links a{
    color:var(--title);
    background:#F8FBFD;
    border:1px solid var(--border);
    border-radius:999px;
    padding:7px 13px;
}
.inline-links a:hover{color:var(--brand);border-color:rgba(24,212,198,.55)}
.quick-panel{
    position:fixed;
    top:0;
    right:-430px;
    width:420px;
    max-width:92vw;
    height:100vh;
    background:#fff;
    box-shadow:0 18px 48px rgba(7,92,145,.16);
    z-index:10000;
    transition:.28s ease;
    overflow:auto;
}
.quick-panel.active{right:0}
.panel-head,.drawer-head{
    height:70px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 22px;
    border-bottom:1px solid var(--border);
}
.panel-head strong,.drawer-head strong{font-size:22px;color:var(--title)}
.panel-head button,.drawer-head button{
    width:36px;
    height:36px;
    border:0;
    border-radius:50%;
    background:#E8F4FA;
    color:var(--title);
    font-size:24px;
    cursor:pointer;
}
.panel-body{padding:20px;display:grid;gap:18px}
.panel-group{display:grid;gap:10px}
.panel-group h2{font-size:18px;margin:0;color:var(--title)}
.panel-group a{
    display:block;
    padding:12px 14px;
    border:1px solid var(--border);
    border-radius:16px;
    background:#F8FBFD;
}
.panel-group a:hover{border-color:rgba(24,212,198,.55);color:var(--brand)}
.panel-group span{display:block;font-weight:800}
.panel-group small{display:block;color:var(--muted);margin-top:2px}
.screen-mask{
    position:fixed;
    inset:0;
    z-index:9999;
    background:rgba(6,27,43,.46);
    display:none;
}
.screen-mask.active{display:block}
.mobile-drawer{
    position:fixed;
    top:0;
    left:-340px;
    width:84vw;
    max-width:320px;
    height:100vh;
    background:#fff;
    z-index:10000;
    transition:.28s ease;
    overflow:auto;
    box-shadow:0 18px 48px rgba(7,92,145,.20);
}
.mobile-drawer.active{left:0}
.drawer-nav{display:grid;padding:16px}
.drawer-nav a{
    padding:13px 14px;
    border-bottom:1px solid rgba(14,136,200,.11);
    color:var(--title);
    font-weight:700;
}
.drawer-nav a.active,.drawer-nav a:hover{color:var(--brand)}
.site-footer{
    background:#061B2B;
    color:#EAF6FC;
    margin-top:46px;
}
.footer-inner{
    max-width:1200px;
    margin:0 auto;
    display:grid;
    grid-template-columns:1.1fr 1.7fr;
    gap:36px;
    padding:42px 20px 30px;
}
.footer-brand p{color:#CDE7F2;margin-top:12px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.footer-links strong{display:block;color:#fff;margin-bottom:10px}
.footer-links a{display:block;color:#CDE7F2;margin:6px 0}
.footer-links a:hover{color:var(--cyan)}
.footer-notice{
    border-top:1px solid rgba(255,255,255,.1);
    max-width:1200px;
    margin:0 auto;
    padding:14px 20px 22px;
}
.footer-notice p{color:#CDE7F2;margin:0}
.mobile-bottom-nav{display:none}
@media (max-width:980px){
    body{padding-top:116px}
    .topbar{height:70px}
    .nav-core{display:none}
    .mobile-menu-btn{
        display:inline-flex;
        flex-direction:column;
        justify-content:center;
        gap:5px;
        width:38px;
        height:38px;
        border:1px solid rgba(24,212,198,.42);
        border-radius:12px;
        background:rgba(255,255,255,.08);
        padding:8px;
    }
    .mobile-menu-btn span{height:2px;background:#EAF6FC;border-radius:4px}
    .site-logo{font-size:24px}
    .topbar{justify-content:space-between}
    .quick-btn{display:none}
    .channel-strip{display:none}
    .banner-slider{height:260px;margin:20px 20px 28px}
    .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .page-body{grid-template-columns:1fr}
    .side-sticky{position:static}
    .feature-card{align-items:flex-start}
    .feature-card .content-img{width:45%}
    .footer-inner{grid-template-columns:1fr}
}
@media (max-width:640px){
    body{padding-top:70px;padding-bottom:74px}
    .topbar{padding:0 14px}
    .header-actions{gap:0}
    .header-register{padding:8px 15px;font-size:14px}
    .site-logo{position:absolute;left:50%;transform:translateX(-50%)}
    .page-hero{padding-top:20px}
    .page-hero-inner{padding:24px;border-radius:22px}
    h1{font-size:28px}
    h2{font-size:23px}
    .section{margin:22px auto;padding:0 14px}
    .container,.page-hero,.page-content,.home-wrap{padding-left:14px;padding-right:14px}
    .banner-slider{height:210px;border-radius:18px;margin:16px 14px 24px}
    .slide-caption{left:12px;right:12px;bottom:26px;padding:12px 14px}
    .slide-caption strong{font-size:17px}
    .slide-caption p{font-size:13px}
    .slider-arrow{width:34px;height:34px;font-size:19px}
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
    .feature-card{display:block}
    .feature-card .content-img{width:100%;margin-bottom:16px;max-height:220px}
    .zone-card img{height:160px}
    .content-img{max-height:230px}
    .footer-links{grid-template-columns:1fr}
    .mobile-bottom-nav{
        position:fixed;
        left:0;
        right:0;
        bottom:0;
        z-index:8900;
        display:grid;
        grid-template-columns:repeat(4,1fr);
        background:#fff;
        border-top:1px solid var(--border);
        box-shadow:0 -8px 22px rgba(7,92,145,.12);
    }
    .mobile-bottom-nav a{
        text-align:center;
        padding:10px 4px 12px;
        color:var(--title);
        font-weight:800;
        font-size:14px;
    }
    .mobile-bottom-nav a:hover{color:var(--brand)}
}