:root{
    --bg:#071B24;
    --bg-2:#0A2632;
    --bg-3:#0E3340;
    --bg-4:#102B38;
    --dark:#06131B;
    --cyan:#00E6F6;
    --blue:#00C8FF;
    --deep-cyan:#009CB8;
    --light:#B7EFFF;
    --text:#EAFBFF;
    --muted:#A8C8D6;
    --soft:#7FA4B3;
    --card:rgba(10,38,50,0.92);
    --border:rgba(0,230,246,0.18);
    --footer:#041017;
    --grad:linear-gradient(135deg,#00E6F6 0%,#00B9FF 48%,#0077FF 100%);
    --shadow:0 16px 40px rgba(0,230,246,0.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    background:radial-gradient(circle at top left,rgba(0,230,246,0.10),transparent 34%),linear-gradient(180deg,#071B24 0%,#06131B 100%);
    color:var(--text);
    font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;
    line-height:1.75;
    overflow-x:hidden;
    padding-top:116px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
p{margin:0 0 14px;color:var(--muted)}
h1,h2,h3{margin:0 0 14px;color:var(--cyan);line-height:1.28}
h1{font-size:clamp(30px,5vw,52px);letter-spacing:-1px}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:21px}
ul{margin:0;padding:0;list-style:none}
.site-header{
    position:fixed;
    top:0;
    left:0;
    right:0;
    z-index:100;
    background:rgba(4,16,23,0.92);
    backdrop-filter:blur(12px);
    box-shadow:0 8px 26px rgba(0,230,246,0.10);
}
.top-nav{
    max-width:1200px;
    margin:0 auto;
    height:68px;
    padding:0 18px;
    display:flex;
    align-items:center;
    gap:18px;
}
.brand-logo{display:flex;align-items:center;min-width:140px}
.brand-logo img{width:132px;max-height:48px;object-fit:contain}
.nav-core{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;min-width:0}
.nav-core a{
    color:var(--light);
    position:relative;
    font-weight:600;
    padding:10px 14px;
    border-radius:999px;
    white-space:nowrap;
}
.nav-core a:hover,.nav-core a.active{color:var(--cyan);background:rgba(0,230,246,0.08)}
.nav-core a.active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:-9px;
    width:28px;
    height:3px;
    border-radius:999px;
    background:linear-gradient(90deg,#00E6F6,#00B9FF);
    transform:translateX(-50%);
}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--grad);
    color:#041017;
    border-radius:999px;
    box-shadow:0 12px 26px rgba(0,230,246,0.22);
    font-weight:800;
    padding:10px 22px;
    border:0;
    cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease;
    white-space:nowrap;
}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,230,246,0.32)}
.header-btn{margin-left:auto;min-width:104px}
.menu-toggle{display:none}
.channel-bar{
    background:rgba(10,38,50,0.86);
    border-top:1px solid rgba(0,230,246,0.10);
    border-bottom:1px solid rgba(0,230,246,0.10);
    overflow-x:auto;
    white-space:nowrap;
}
.channel-scroll{max-width:1200px;margin:0 auto;display:flex;gap:8px;padding:9px 18px;overflow-x:auto;scrollbar-width:thin}
.channel-bar a{
    color:var(--muted);
    border-radius:999px;
    padding:7px 13px;
    font-size:14px;
    border:1px solid transparent;
}
.channel-bar a:hover,.channel-bar a.active{color:var(--cyan);background:rgba(0,230,246,0.10);border-color:rgba(0,230,246,0.16)}
.page-main{min-height:60vh}
.section,.inner-hero,.banner-slider{max-width:1200px;margin-left:auto;margin-right:auto}
.section{padding:42px 18px}
.section.compact{padding-top:20px}
.section-head{max-width:760px;margin-bottom:24px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-kicker,.tag,.label,.num,.badge{color:var(--cyan);font-weight:800;letter-spacing:.5px}
.section-kicker{display:inline-flex;margin-bottom:8px;font-size:14px}
.text-link{display:inline-flex;color:var(--blue);font-weight:700;align-items:center;gap:5px}
.text-link:hover{color:var(--cyan)}
.banner-slider{
    height:340px;
    margin-top:24px;
    margin-bottom:34px;
    border-radius:22px;
    background:#0A2632;
    box-shadow:0 18px 44px rgba(0,230,246,0.14);
    overflow:hidden;
    position:relative;
    z-index:1;
    border:1px solid rgba(0,230,246,0.16);
}
.banner-slider .slide{display:none;width:100%;height:100%}
.banner-slider .slide.active{display:block}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#0A2632}
.slider-arrow{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    z-index:3;
    border:none;
    width:42px;
    height:42px;
    border-radius:999px;
    background:rgba(4,16,23,0.82);
    color:#00E6F6;
    box-shadow:0 8px 20px rgba(0,230,246,0.16);
    cursor:pointer;
    font-size:28px;
    line-height:1;
}
.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(0,230,246,0.24);padding:0;cursor:pointer}
.slider-dots button.active{background:#00E6F6}
.home-intro,.inner-hero{
    display:grid;
    grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);
    gap:28px;
    align-items:center;
    padding:46px 18px;
}
.intro-copy,.inner-copy,.panel,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box,.content-tile,.support-box{
    background:var(--card);
    border:1px solid rgba(0,230,246,0.16);
    box-shadow:var(--shadow);
    border-radius:22px;
}
.intro-copy,.inner-copy{padding:30px}
.hero-visual,.feature-visual{
    border-radius:24px;
    overflow:hidden;
    padding:14px;
    background:linear-gradient(180deg,rgba(0,230,246,0.10),rgba(10,38,50,0.92));
    border:1px solid rgba(0,230,246,0.16);
    box-shadow:0 18px 44px rgba(0,230,246,0.12);
}
.hero-visual img,.feature-visual img,.content-img,.zone-card img,.app-img{width:100%;max-height:300px;object-fit:contain;background:#0A2632;border-radius:18px}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:22px}
.pill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pill-item{background:rgba(0,230,246,0.06);border:1px solid var(--border);border-radius:999px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.pill-item p{font-size:13px;margin:0;color:var(--soft)}
.pill-item strong{color:var(--text);display:block;white-space:nowrap}
.strip{border:1px solid rgba(0,230,246,0.20);background:linear-gradient(90deg,rgba(0,230,246,0.10),rgba(10,38,50,0.88),rgba(0,200,255,0.08));border-radius:24px;padding:24px 28px;box-shadow:var(--shadow)}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card,.zone-card,.info-card,.review-card,.faq-item,.content-tile,.support-box{padding:22px}
.info-card .num{font-size:26px;display:block;margin-bottom:10px}
.zone-card{display:flex;flex-direction:column;gap:16px}
.zone-card img{max-height:220px}
.list-lines{display:grid;gap:10px;margin:16px 0}
.list-lines li{padding-left:18px;position:relative;color:var(--muted)}
.list-lines li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(0,230,246,.65)}
.content-wall{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.notice-box{padding:26px;border-left:3px solid var(--cyan)}
.review-card p{color:#D7F7FF}
.faq-list{display:grid;gap:14px}
.faq-item h3{font-size:18px;color:var(--text)}
.faq-item p{margin-bottom:0}
.compliance{background:rgba(4,16,23,0.72);border:1px solid rgba(0,230,246,0.14);border-radius:22px;padding:24px}
.compliance p{margin-bottom:0}
.floating-service{position:fixed;right:18px;top:42%;z-index:60;display:grid;gap:8px;width:112px}
.floating-service a,.floating-service button{background:rgba(10,38,50,0.92);color:#00E6F6;border:1px solid rgba(0,230,246,0.16);box-shadow:0 14px 30px rgba(0,230,246,0.10);border-radius:16px;padding:10px 8px;text-align:center;font-weight:700;cursor:pointer;font-family:inherit}
.floating-service a.register-link{background:var(--grad);color:#041017}
.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}
.site-footer{background:#041017;color:#DDF8FF;margin-top:42px}
.footer-inner{max-width:1200px;margin:0 auto;padding:38px 18px;display:grid;grid-template-columns:1.2fr 1fr 1.1fr;gap:28px;align-items:start}
.footer-brand img{width:138px;max-height:54px;object-fit:contain;margin-bottom:14px}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.footer-links a{color:var(--light)}
.footer-links a:hover{color:var(--cyan)}
.footer-note{background:rgba(10,38,50,0.48);border:1px solid rgba(0,230,246,0.12);border-radius:18px;padding:18px}
.footer-note strong{color:var(--cyan)}
.inner-hero{padding-top:42px}
.inner-copy{min-height:260px}
.rich-text{display:grid;gap:16px}
.rich-text p{font-size:16px}
.split-section{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:center}
.app-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.badge-row span{border:1px solid rgba(0,230,246,.18);background:rgba(0,230,246,.06);color:var(--light);padding:6px 12px;border-radius:999px;font-size:13px}
@media (max-width:1100px){
    .floating-service{display:none}
    .grid.four{grid-template-columns:repeat(2,1fr)}
    .pill-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
    body{padding-top:68px;padding-bottom:76px}
    .top-nav{height:68px;justify-content:space-between;gap:10px}
    .menu-toggle{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;border:1px solid rgba(0,230,246,.18);background:rgba(10,38,50,.85);color:var(--cyan);font-size:24px}
    .brand-logo{min-width:auto;position:absolute;left:50%;transform:translateX(-50%)}
    .brand-logo img{width:112px;max-height:42px}
    .nav-core,.channel-bar{display:none}
    .header-btn{min-width:auto;padding:8px 14px;font-size:13px;margin-left:0}
    .banner-slider{height:200px;margin:16px 14px 24px;border-radius:18px}
    .slider-arrow{width:34px;height:34px;font-size:22px}
    .slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}
    .home-intro,.inner-hero,.split-section,.app-section{grid-template-columns:1fr;padding:28px 14px;gap:18px}
    .section{padding:30px 14px}
    .intro-copy,.inner-copy,.card,.zone-card,.info-card,.review-card,.faq-item,.content-tile,.support-box{padding:18px;border-radius:18px}
    .grid.two,.grid.three,.grid.four,.content-wall,.footer-inner{grid-template-columns:1fr}
    .pill-grid{grid-template-columns:1fr}
    .pill-item{border-radius:18px;align-items:flex-start;flex-direction:column}
    .drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.52);z-index:120;opacity:0;pointer-events:none;transition:opacity .2s ease}
    .mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:84vw;max-width:320px;background:#071B24;border-right:1px solid rgba(0,230,246,.18);z-index:130;transform:translateX(-105%);transition:transform .24s ease;box-shadow:20px 0 50px rgba(0,0,0,.35);overflow-y:auto}
    body.drawer-open{overflow:hidden}
    body.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
    body.drawer-open .mobile-drawer{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(0,230,246,.12)}
    .drawer-logo img{width:118px;max-height:48px;object-fit:contain}
    .drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(0,230,246,.18);background:#0A2632;color:var(--cyan);font-size:28px;line-height:1}
    .drawer-links{display:grid;gap:8px;padding:16px}
    .drawer-links a{padding:12px 14px;border-radius:14px;color:var(--light);background:rgba(10,38,50,.62);border:1px solid rgba(0,230,246,.08)}
    .drawer-links a.active,.drawer-links a:hover{color:var(--cyan);border-color:rgba(0,230,246,.24);background:rgba(0,230,246,.08)}
    .mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;background:rgba(4,16,23,.94);backdrop-filter:blur(12px);border-top:1px solid rgba(0,230,246,.16);z-index:90;padding:8px 6px}
    .mobile-bottom-nav a{text-align:center;color:var(--light);font-weight:700;padding:8px 4px;border-radius:12px;font-size:13px}
    .mobile-bottom-nav a:hover{color:var(--cyan);background:rgba(0,230,246,.08)}
    .footer-inner{padding-bottom:28px}
}
@media (max-width:480px){
    h1{font-size:28px}.banner-slider{height:176px}.hero-visual img,.feature-visual img,.content-img,.zone-card img,.app-img{max-height:230px}.footer-links{grid-template-columns:1fr}
}