:root{
    --primary: rgb(213, 5, 5);
    --primary-dark: rgb(172, 4, 4);
    --black: #111111;
    --dark: #333333;
    --gray: #666666;
    --light-gray: #f5f5f5;
    --line: #e9e9e9;
    --white: #ffffff;
    --radius: 18px;
    --shadow: 0 10px 30px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    color:var(--dark);
    background:#fff;
    line-height:1.72;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{
    width:min(1160px, calc(100% - 32px));
    margin:0 auto;
}
.site-header{
    background:#fff;
    border-bottom:1px solid var(--line);
    position:sticky;
    top:0;
    z-index:50;
}
.mobile-header{
    height:60px;
    display:grid;
    grid-template-columns:56px 1fr 86px;
    align-items:center;
    padding:0 12px;
    background:#fff;
}
.menu-button{
    width:42px;
    height:42px;
    border:0;
    background:#fff;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    padding:0 10px;
    cursor:pointer;
}
.menu-button span{
    display:block;
    height:2px;
    width:22px;
    background:#1d1d1d;
    border-radius:4px;
    transition:.2s ease;
}
.menu-button.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-button.open span:nth-child(2){opacity:0}
.menu-button.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-logo{justify-self:center}
.mobile-logo img{height:34px;width:auto}
.desktop-logo img{height:44px;width:auto}
.top-action{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:38px;
    padding:0 18px;
    border-radius:999px;
    background:var(--primary);
    color:#fff;
    font-weight:700;
    box-shadow:0 8px 18px rgba(213,5,5,.18);
    white-space:nowrap;
}
.top-action:hover,.main-btn:hover{background:var(--primary-dark)}
.mobile-nav{
    display:none;
    padding:8px 16px 16px;
    border-top:1px solid var(--line);
    background:#fff;
}
.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-nav a{
    padding:10px 12px;
    border-radius:12px;
    background:#fafafa;
    border:1px solid #f0f0f0;
    font-weight:700;
    font-size:14px;
}
.mobile-nav a.active{color:var(--primary);background:#fff5f5;border-color:rgba(213,5,5,.22)}
.desktop-header{display:none}
.search-icon{
    position:relative;
    width:34px;
    height:34px;
    border:1px solid var(--line);
    border-radius:50%;
    flex:0 0 auto;
}
.search-icon:before{
    content:"";
    position:absolute;
    width:11px;
    height:11px;
    border:2px solid #444;
    border-radius:50%;
    top:8px;
    left:8px;
}
.search-icon:after{
    content:"";
    position:absolute;
    width:8px;
    height:2px;
    background:#444;
    transform:rotate(45deg);
    right:8px;
    bottom:9px;
    border-radius:2px;
}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:46px;
    padding:0 26px;
    border-radius:999px;
    background:var(--primary);
    color:#fff;
    font-weight:800;
    letter-spacing:.02em;
    box-shadow:0 12px 28px rgba(213,5,5,.18);
    transition:.2s ease;
}
.sub-link{
    display:inline-flex;
    align-items:center;
    color:var(--primary);
    font-weight:800;
}
.badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--primary);
    background:#fff2f2;
    border:1px solid rgba(213,5,5,.18);
    border-radius:999px;
    padding:6px 12px;
    font-weight:800;
    font-size:13px;
}
.section{
    padding:54px 0;
}
.section.light{background:var(--light-gray)}
.section-title{
    margin:12px 0 10px;
    font-size:30px;
    line-height:1.2;
    color:var(--black);
}
.section-desc{
    margin:0 0 26px;
    color:#5c5c5c;
    max-width:760px;
}
.hero{
    background:linear-gradient(180deg,#fff 0%,#f7f7f7 100%);
    padding:28px 0 48px;
}
.hero-grid{
    display:grid;
    gap:26px;
    align-items:center;
}
.hero-copy{
    background:#fff;
    border:1px solid var(--line);
    border-radius:24px;
    padding:26px;
    box-shadow:var(--shadow);
}
.hero h1{
    margin:14px 0 14px;
    font-size:34px;
    line-height:1.18;
    color:#111;
}
.hero p{margin:0 0 22px;color:#555}
.hero-points{
    display:grid;
    gap:10px;
    margin:22px 0 0;
}
.hero-points span{
    display:flex;
    align-items:center;
    gap:8px;
    color:#444;
    font-weight:700;
}
.hero-points span:before{
    content:"";
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--primary);
}
.banner-box{
    position:relative;
    border-radius:26px;
    overflow:hidden;
    box-shadow:var(--shadow);
    min-height:260px;
    background:#ddd;
}
.banner-box img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.banner-overlay{
    position:absolute;
    left:18px;
    right:18px;
    bottom:18px;
    background:rgba(255,255,255,.92);
    border-radius:18px;
    padding:16px;
    border:1px solid rgba(255,255,255,.6);
}
.banner-overlay strong{display:block;color:#111;font-size:18px}
.category-grid,.service-grid,.card-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
}
.sports-card,.service-card,.info-card,.faq-item,.score-card,.data-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:20px;
    box-shadow:0 8px 22px rgba(0,0,0,.04);
}
.sports-card h3,.service-card h3,.info-card h3,.score-card h3,.data-card h3{margin:0 0 8px;color:#111}
.sports-card p,.service-card p,.info-card p,.score-card p,.data-card p{margin:0 0 14px;color:#606060}
.red-tag{
    display:inline-flex;
    color:var(--primary);
    background:#fff2f2;
    border-radius:999px;
    padding:4px 10px;
    font-size:12px;
    font-weight:800;
    margin-bottom:10px;
}
.split{
    display:grid;
    gap:28px;
    align-items:center;
}
.split-image{
    border-radius:24px;
    overflow:hidden;
    box-shadow:var(--shadow);
    background:#fff;
}
.split-image img{width:100%}
.score-panel{
    display:grid;
    gap:14px;
    margin-top:18px;
}
.score-line{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    padding:14px;
}
.score-line strong{text-align:center;color:#111;font-size:18px}
.status{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:58px;
    padding:3px 8px;
    border-radius:999px;
    background:#fff2f2;
    color:var(--primary);
    font-weight:800;
    font-size:12px;
}
.data-list{
    display:grid;
    gap:10px;
    margin:16px 0 0;
}
.data-list li,.check-list li{
    list-style:none;
    padding-left:26px;
    position:relative;
    margin:0 0 8px;
}
.data-list li:before,.check-list li:before{
    content:"";
    position:absolute;
    left:0;
    top:.65em;
    width:9px;
    height:9px;
    border-radius:50%;
    background:var(--primary);
}
.check-list{padding:0;margin:0}
.app-showcase{
    background:#fff;
    border-radius:28px;
    border:1px solid var(--line);
    padding:24px;
    box-shadow:var(--shadow);
}
.security-section .info-card,.responsible-section .info-card{
    border-left:4px solid var(--primary);
}
.notice-box{
    background:#fff8f8;
    border:1px solid rgba(213,5,5,.18);
    border-radius:18px;
    padding:18px;
    color:#4c4c4c;
}
.faq-list{
    display:grid;
    gap:14px;
}
.faq-item h3{
    margin:0 0 8px;
    color:#111;
    font-size:18px;
}
.faq-item p{margin:0;color:#5f5f5f}
.cta{
    background:linear-gradient(135deg, var(--primary), #a90404);
    color:#fff;
    border-radius:28px;
    padding:34px 24px;
    text-align:center;
    overflow:hidden;
}
.cta h2{margin:0 0 10px;font-size:28px}
.cta p{margin:0 auto 20px;max-width:680px;color:rgba(255,255,255,.92)}
.cta .main-btn{background:#fff;color:var(--primary);box-shadow:none}
.page-hero{
    padding:46px 0 34px;
    background:linear-gradient(180deg,#fff,#f7f7f7);
}
.page-hero h1{
    margin:12px 0 12px;
    color:#111;
    font-size:34px;
    line-height:1.2;
}
.page-hero p{margin:0;color:#555;max-width:820px}
.content-grid{
    display:grid;
    gap:18px;
}
.steps{
    counter-reset:step;
    display:grid;
    gap:14px;
}
.step{
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    padding:18px;
    counter-increment:step;
    display:grid;
    grid-template-columns:44px 1fr;
    gap:14px;
    align-items:start;
}
.step:before{
    content:counter(step);
    width:44px;
    height:44px;
    border-radius:50%;
    background:var(--primary);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:900;
}
.site-footer{
    background:#151515;
    color:#d7d7d7;
    padding-top:44px;
}
.footer-grid{
    display:grid;
    gap:24px;
}
.footer-logo{height:40px;width:auto;margin-bottom:14px;background:#fff;border-radius:8px;padding:4px}
.site-footer h3{color:#fff;margin:0 0 12px}
.site-footer a{display:block;color:#d7d7d7;margin:6px 0}
.site-footer a:hover{color:#fff}
.site-footer p{margin:0;color:#c8c8c8}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    margin-top:32px;
    padding:16px;
    text-align:center;
    font-size:13px;
}
@media (min-width:640px){
    .category-grid{grid-template-columns:repeat(2,1fr)}
    .service-grid,.card-grid{grid-template-columns:repeat(2,1fr)}
    .score-panel{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:920px){
    .mobile-header,.mobile-nav{display:none}
    .desktop-header{
        width:min(1180px, calc(100% - 40px));
        height:74px;
        margin:0 auto;
        display:flex;
        align-items:center;
        gap:24px;
    }
    .desktop-logo{flex:0 0 auto}
    .desktop-nav{
        display:flex;
        align-items:center;
        justify-content:center;
        gap:22px;
        flex:1;
        min-width:0;
    }
    .desktop-nav a{
        font-weight:800;
        color:#222;
        white-space:nowrap;
        position:relative;
        padding:24px 0;
    }
    .desktop-nav a.active,.desktop-nav a:hover{color:var(--primary)}
    .desktop-nav a.active:after{
        content:"";
        position:absolute;
        left:0;
        right:0;
        bottom:16px;
        height:3px;
        border-radius:6px;
        background:var(--primary);
    }
    .hero{padding:58px 0 66px}
    .hero-grid{grid-template-columns:1.02fr .98fr}
    .hero h1{font-size:48px}
    .banner-box{min-height:430px}
    .category-grid{grid-template-columns:repeat(3,1fr)}
    .service-grid{grid-template-columns:repeat(3,1fr)}
    .card-grid{grid-template-columns:repeat(3,1fr)}
    .split{grid-template-columns:1fr 1fr}
    .split.reverse .split-image{order:2}
    .content-grid{grid-template-columns:1.2fr .8fr}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
    .section-title{font-size:38px}
    .page-hero h1{font-size:44px}
}
@media (max-width:380px){
    .top-action{padding:0 14px;min-height:36px}
    .hero h1,.page-hero h1{font-size:29px}
    .mobile-nav.open{grid-template-columns:1fr}
}