*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#171A22;color:#F2F5FA;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button{font:inherit}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(23,26,34,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,90,24,.14)}
.header-inner{max-width:1240px;margin:0 auto;padding:0 22px;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{flex:0 0 auto;display:inline-flex;align-items:center}
.logo img{max-height:52px;width:auto}
.nav-core{flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{font-size:15px;color:#F2F5FA;transition:.2s}
.nav-core a:hover,.nav-core a.active{color:#d50505}
.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}
.all-menu-btn{border:1px solid rgba(255,90,24,.28);background:rgba(255,255,255,.06);color:#d50505;border-radius:999px;padding:10px 16px;cursor:pointer}
.all-menu-btn:hover{background:rgba(255,90,24,.12)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 22px;border-radius:999px;background:linear-gradient(180deg,#FF7A22 0%,#d50505 45%,#E94710 100%);color:#fff;font-weight:700;box-shadow:0 12px 26px rgba(233,71,16,.22);border:0;white-space:nowrap}
.main-btn:hover{filter:brightness(1.05);transform:translateY(-1px)}
.nav-register{min-width:82px}
.mobile-menu-btn{display:none;width:42px;height:42px;border:1px solid rgba(255,90,24,.22);background:rgba(255,255,255,.05);border-radius:12px;padding:9px;cursor:pointer}
.mobile-menu-btn span{display:block;height:2px;background:#F2F5FA;margin:5px 0;border-radius:999px}
.mega-backdrop{position:fixed;inset:76px 0 0;background:rgba(0,0,0,.34);z-index:9998;opacity:0;visibility:hidden;transition:.2s}
.mega-backdrop.open{opacity:1;visibility:visible}
.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%) translateY(-10px);width:min(1120px,calc(100% - 32px));background:rgba(31,37,48,.96);border:1px solid rgba(255,90,24,.16);border-radius:24px;box-shadow:0 24px 60px rgba(0,0,0,.36);z-index:10000;padding:22px;opacity:0;visibility:hidden;pointer-events:none;transition:.22s}
.mega-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.mega-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.mega-head strong{font-size:20px;color:#d50505}
.panel-close,.drawer-close{border:0;background:rgba(255,255,255,.06);color:#F2F5FA;border-radius:999px;width:38px;height:38px;cursor:pointer;font-size:24px;line-height:1}
.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.mega-group{background:#1D222C;border:1px solid rgba(255,90,24,.12);border-radius:18px;padding:16px}
.mega-group h2{margin:0 0 12px;color:#d50505;font-size:16px}
.mega-group a{display:block;padding:10px;border-radius:12px;color:#F2F5FA;transition:.2s}
.mega-group a span{display:block;font-weight:700}
.mega-group a em{display:block;font-size:12px;color:#8F98A6;font-style:normal;margin-top:2px}
.mega-group a:hover,.mega-group a.active{background:rgba(255,90,24,.1);color:#d50505}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:10001;opacity:0;visibility:hidden;transition:.22s}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;left:0;top:0;height:100vh;width:84vw;max-width:320px;background:#1F2530;z-index:10002;transform:translateX(-104%);transition:.25s;box-shadow:24px 0 54px rgba(0,0,0,.38);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-active{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(255,90,24,.16)}
.drawer-logo img{max-height:48px;width:auto}
.drawer-nav{padding:14px}
.drawer-nav a{display:block;padding:13px 14px;border-radius:12px;color:#F2F5FA;border:1px solid transparent}
.drawer-nav a:hover,.drawer-nav a.active{color:#d50505;background:rgba(255,90,24,.1);border-color:rgba(255,90,24,.16)}
main{display:block}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.section{padding:54px 0}
.section.tight{padding:34px 0}
.section-title{color:#d50505;font-size:clamp(26px,3vw,40px);line-height:1.22;margin:0 0 18px}
.section-kicker{color:#d50505;font-weight:700;letter-spacing:.08em;font-size:13px;margin-bottom:8px}
.lead{font-size:17px;color:#DCE3EF;max-width:920px}
.muted{color:#B9C0CC}
.note{color:#8F98A6;font-size:14px}
.card,.zone-card,.info-card,.review-card,.faq-item,.alert-card{background:#1F2530;border:1px solid rgba(255,90,24,.16);box-shadow:0 18px 42px rgba(0,0,0,.28);border-radius:22px}
.card{padding:24px}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-item h3{color:#d50505;margin:0 0 10px}
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.grid.five{grid-template-columns:repeat(5,1fr)}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#10131A;box-shadow:0 18px 42px rgba(0,0,0,.34);overflow:hidden;position:relative;aspect-ratio:1200/430;z-index:1}
.slider-track,.slide{position:absolute;inset:0}
.slide{opacity:0;transition:opacity .45s ease}
.slide.active{opacity:1}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#10131A}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:rgba(16,19,26,.62);color:#fff;font-size:30px;line-height:38px;cursor:pointer}
.slider-arrow.prev{left:14px}
.slider-arrow.next{right:14px}
.slider-dots{position:absolute;left:0;right:0;bottom:12px;z-index:3;display:flex;justify-content:center;gap:8px}
.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(255,255,255,.45);cursor:pointer;padding:0}
.slider-dot.active{width:26px;background:#d50505}
.hero-guide{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.hero-guide .intro-box{padding:30px;border-radius:24px;background:linear-gradient(145deg,#1F2530,#1D222C);border:1px solid rgba(255,90,24,.18);box-shadow:0 18px 42px rgba(0,0,0,.28)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 20px;border-radius:999px;border:1px solid rgba(255,90,24,.28);color:#d50505;background:rgba(255,255,255,.04);font-weight:700}
.img-card{border-radius:22px;overflow:hidden;background:#10131A;border:1px solid rgba(255,90,24,.16);box-shadow:0 18px 42px rgba(0,0,0,.28)}
.img-card img,.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;background:#10131A}
.quick-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.quick-list a{padding:16px;background:#1F2530;border:1px solid rgba(255,90,24,.16);border-radius:16px;color:#F2F5FA}
.quick-list strong{display:block;color:#d50505}
.service-card{padding:22px;background:#1F2530;border:1px solid rgba(255,90,24,.16);border-radius:20px}
.service-card .num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,90,24,.12);color:#d50505;font-weight:800;margin-bottom:10px}
.zone-card{overflow:hidden}
.zone-card .zone-body{padding:20px}
.zone-card img{max-height:220px}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:center}
.panel-list{display:grid;gap:14px}
.panel-item{padding:18px;border-radius:18px;background:#1D222C;border:1px solid rgba(255,90,24,.12)}
.panel-item strong{color:#d50505}
.review-card{padding:22px}
.review-card p{margin:0 0 12px;color:#DCE3EF}
.review-card span{color:#8F98A6;font-size:14px}
.alert-card{padding:24px;background:linear-gradient(145deg,#1F2530,#242A35)}
.alert-card ul{margin:10px 0 0;padding-left:20px;color:#DCE3EF}
.faq-list{display:grid;gap:14px}
.faq-item{padding:22px}
.faq-item p{margin:0;color:#B9C0CC}
.page-hero{padding:52px 0 26px}
.page-hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:center}
.page-hero h1{color:#d50505;font-size:clamp(32px,4vw,52px);line-height:1.12;margin:0 0 16px}
.breadcrumb{color:#8F98A6;font-size:14px;margin-bottom:12px}
.page-content{padding:26px 0 62px}
.content-block{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:22px 0}
.highlight-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.help-steps{counter-reset:step;display:grid;gap:14px}
.help-steps li{list-style:none;padding:18px 18px 18px 56px;position:relative;background:#1D222C;border:1px solid rgba(255,90,24,.14);border-radius:18px;color:#DCE3EF}
.help-steps li:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#d50505;color:#fff;font-weight:800}
.site-footer{background:#0D1017;color:#DCE3EF;margin-top:40px;border-top:1px solid rgba(255,90,24,.12)}
.footer-inner{width:min(1200px,calc(100% - 32px));margin:0 auto;padding:44px 0;display:grid;grid-template-columns:1.05fr 1.6fr;gap:32px}
.footer-logo img{max-height:50px;width:auto;margin-bottom:14px}
.footer-brand p{color:#B9C0CC;margin:0;max-width:430px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.footer-links strong{display:block;color:#d50505;margin-bottom:10px}
.footer-links a{display:block;color:#DCE3EF;margin:7px 0}
.footer-links a:hover{color:#d50505}
.footer-notice{width:min(1200px,calc(100% - 32px));margin:0 auto;padding:18px 0;border-top:1px solid rgba(255,255,255,.08);color:#B9C0CC;font-size:14px}
.footer-copy{text-align:center;color:#8F98A6;padding:18px 0 26px;font-size:14px}
@media (max-width:1024px){
    .mega-grid{grid-template-columns:repeat(3,1fr)}
    .grid.five{grid-template-columns:repeat(3,1fr)}
    .grid.four,.quick-list{grid-template-columns:repeat(2,1fr)}
    .highlight-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
    .header-inner{display:grid;grid-template-columns:48px 1fr auto;gap:10px;min-height:68px;padding:0 14px}
    .mobile-menu-btn{display:block}
    .logo{justify-content:center}
    .logo img{max-height:46px}
    .nav-core,.all-menu-btn{display:none}
    .header-action{justify-content:flex-end}
    .nav-register{min-width:72px;padding:9px 16px}
    .mega-panel,.mega-backdrop{display:none}
    .banner-slider{width:calc(100% - 24px);margin:18px auto 22px;border-radius:16px;aspect-ratio:16/7}
    .slider-arrow{width:36px;height:36px;font-size:25px;line-height:32px}
    .hero-guide,.split,.page-hero-inner,.content-block,.footer-inner{grid-template-columns:1fr}
    .grid.three,.grid.four,.grid.five,.quick-list,.highlight-list{grid-template-columns:1fr}
    .grid.two{grid-template-columns:1fr}
    .section{padding:38px 0}
    .page-hero{padding:34px 0 16px}
    .card,.hero-guide .intro-box{padding:20px}
    .footer-links{grid-template-columns:1fr}
}
@media (max-width:480px){
    .container{width:calc(100% - 24px)}
    .section-title{font-size:25px}
    .page-hero h1{font-size:31px}
    .main-btn,.ghost-btn{width:100%}
    .header-action .main-btn{width:auto}
}