:root{
    --brand: #ff3b3b;
    --brand-dark: #030712;
    --text: #ff4d4d;
    --muted: #ffb4b4;
    --soft: #0b0f16;
    --line: #2b3038;
    --white: #111827;
    --shadow: 0 14px 36px rgba(0, 0, 0, .35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    color:var(--text);
    background:#0b0f16;
    line-height:1.72;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1160px, calc(100% - 32px));margin:0 auto}
.gradient-header{background:linear-gradient(135deg, #1f2937 0%, #030712 100%);color:#ff4d4d;box-shadow:0 10px 28px rgba(0,0,0,.28)}
.site-header{position:relative;z-index:20}
.mobile-header{min-height:64px;display:grid;grid-template-columns:64px 1fr 88px;align-items:center;gap:8px;padding:8px 14px}
.desktop-header{display:none}
.mobile-logo{justify-self:center;display:flex;align-items:center;justify-content:center}
.mobile-logo img{height:38px;width:auto;object-fit:contain}
.menu-button{
    width:44px;height:44px;border:0;background:rgba(255,255,255,.14);border-radius:14px;
    display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer
}
.menu-button span{width:22px;height:2px;background:#0b0f16;border-radius:5px}
.top-action{
    display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 16px;
    border-radius:999px;background:#0b0f16;color:var(--brand);font-weight:800;box-shadow:0 8px 20px rgba(0,0,0,.12);white-space:nowrap
}
.mobile-nav{display:none;background:linear-gradient(135deg, #1f2937 0%, #030712 100%);padding:4px 16px 18px;grid-template-columns:1fr 1fr;gap:10px}
.mobile-nav.open{display:grid}
.mobile-nav a{padding:10px 12px;border:1px solid rgba(255,255,255,.22);border-radius:14px;background:rgba(255,255,255,.08);text-align:center;font-weight:700;color:#ff4d4d}
.mobile-nav a.active{background:#0b0f16;color:var(--brand)}
.main-btn{
    display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:999px;
    background:rgb(213,5,5);color:#ff4d4d;font-weight:800;box-shadow:0 12px 26px rgba(255,59,59,.22);transition:.2s ease
}
.main-btn:hover{background:#000000;transform:translateY(-1px)}
.link-btn{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:800}
.link-btn::after{content:"›";font-size:20px;line-height:1}
.hero{background:linear-gradient(135deg, #1f2937 0%, #030712 100%);color:#ff4d4d;padding:46px 0 54px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:auto -80px -120px auto;width:360px;height:360px;background:rgba(255,255,255,.1);border-radius:50%}
.hero-grid{display:grid;gap:28px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:32px;line-height:1.18;margin:0 0 18px;letter-spacing:-.5px}
.hero p{margin:0 0 18px;color:#ffb4b4}
.hero .main-btn{background:#0b0f16;color:var(--brand);box-shadow:0 12px 28px rgba(0,0,0,.16)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 4px}
.tag-row span{display:inline-flex;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);font-size:14px;font-weight:700}
.hero-visual{position:relative}
.hero-visual img{border-radius:28px;box-shadow:0 20px 45px rgba(0,0,0,.2);width:100%;object-fit:cover}
.floating-card{margin-top:14px;background:#0b0f16;color:var(--text);border-radius:20px;padding:16px;box-shadow:var(--shadow);border:1px solid rgba(255,59,59,.22)}
.floating-card strong{color:var(--brand);display:block;margin-bottom:4px}
.section{padding:56px 0}
.section.soft{background:var(--soft)}
.section-head{margin:0 0 26px}
.eyebrow{display:inline-flex;align-items:center;color:var(--brand);font-weight:900;margin-bottom:8px}
.section h2,.inner-hero h1{margin:0;color:#ff4d4d;line-height:1.25}
.section h2{font-size:28px}
.section-head p{margin:10px 0 0;color:var(--muted)}
.category-grid{display:grid;grid-template-columns:1fr;gap:16px}
.feature-card,.match-card,.data-card,.security-card,.info-card,.faq-item,.step-card,.contact-card{background:#0b0f16;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 24px rgba(0,0,0,.04)}
.feature-card.large{min-height:235px}
.feature-card h3,.match-card h3,.data-card h3,.security-card h3,.info-card h3,.step-card h3,.contact-card h3{margin:0 0 10px;color:#ff4d4d}
.feature-card p,.match-card p,.data-card p,.security-card p,.info-card p,.step-card p,.contact-card p{margin:0 0 14px;color:var(--muted)}
.status{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#1118270f0;color:var(--brand);font-weight:800;font-size:13px;margin-bottom:12px}
.match-grid,.data-grid,.security-grid,.info-grid,.step-grid,.contact-grid,.faq-grid{display:grid;grid-template-columns:1fr;gap:16px}
.showcase,.split{display:grid;gap:28px;align-items:center}
.showcase-img img,.split-img img{border-radius:26px;box-shadow:var(--shadow)}
.point-list{display:grid;gap:12px;margin-top:18px}
.point{padding:14px 16px;border-left:4px solid var(--brand);background:#0b0f16;border-radius:16px;border:1px solid var(--line)}
.point strong{display:block;color:#ff4d4d;margin-bottom:3px}
.point span{color:var(--muted)}
.notice{border-radius:24px;padding:24px;background:linear-gradient(135deg, rgba(255,59,59,.12), rgba(255,59,59,.04));border:1px solid rgba(255,59,59,.28)}
.notice h2,.notice h3{margin-top:0;color:#ff4d4d}
.notice p{color:#ff9a9a;margin-bottom:0}
.cta-band{border-radius:28px;padding:30px;background:linear-gradient(135deg, #1f2937 0%, #030712 100%);color:#ff4d4d;text-align:center;box-shadow:0 18px 40px rgba(0,0,0,.26)}
.cta-band h2{color:#ff4d4d;margin:0 0 10px}
.cta-band p{margin:0 auto 20px;color:#ffb4b4;max-width:760px}
.cta-band .main-btn{background:#0b0f16;color:var(--brand)}
.inner-hero{background:#0b0f16;padding:48px 0;border-bottom:1px solid var(--line)}
.inner-hero .container{display:grid;gap:22px;align-items:center}
.inner-hero p{color:#ff9a9a;margin:14px 0 0;max-width:820px}
.inner-hero img{border-radius:26px;box-shadow:var(--shadow)}
.breadcrumb{color:var(--brand);font-weight:900;margin-bottom:8px}
.content-block{display:grid;gap:18px}
.content-block p{color:#ff9a9a;margin:0}
.simple-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.simple-list li{padding:14px 16px;background:#0b0f16;border:1px solid var(--line);border-radius:16px;color:#ff9a9a}
.simple-list strong{color:#ff4d4d}
.faq-item h3{margin:0 0 8px;color:#ff4d4d}
.faq-item p{margin:0;color:#ff9a9a}
.site-footer{background:#030712;color:#ff4d4d;padding:46px 0 0}
.footer-grid{display:grid;gap:24px}
.footer-logo img{height:42px;margin-bottom:14px}
.site-footer p{color:#ff9a9a;margin:0}
.site-footer h3{margin:0 0 12px}
.site-footer a{display:block;color:#ffb4b4;margin:8px 0}
.footer-note{font-size:14px;line-height:1.7;margin-top:10px!important}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding:18px 16px;text-align:center;color:#ff9a9a}
.table-like{display:grid;gap:12px}
.table-row{display:grid;gap:8px;background:#0b0f16;border:1px solid var(--line);border-radius:18px;padding:16px}
.table-row span{color:#ffb4b4}
@media (min-width: 720px){
    .hero-grid,.showcase,.split{grid-template-columns:1.05fr .95fr}
    .inner-hero .container{grid-template-columns:1.05fr .95fr}
    .category-grid{grid-template-columns:repeat(2,1fr)}
    .match-grid,.data-grid,.security-grid,.info-grid,.step-grid,.contact-grid,.faq-grid{grid-template-columns:repeat(2,1fr)}
    .section h2{font-size:34px}
    .hero h1{font-size:46px}
}
@media (min-width: 1024px){
    .mobile-header,.mobile-nav{display:none!important}
    .desktop-header{display:flex;align-items:center;min-height:78px;gap:24px}
    .brand img{height:46px;width:auto}
    .desktop-nav{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
    .desktop-nav a{padding:10px 14px;border-radius:999px;color:#ff4d4d;font-weight:800}
    .desktop-nav a.active{background:#0b0f16;color:var(--brand)}
    .desktop-action{min-width:86px}
    .hero{padding:68px 0 76px}
    .category-grid{grid-template-columns:repeat(4,1fr)}
    .feature-card.large{grid-column:span 2}
    .match-grid,.security-grid{grid-template-columns:repeat(3,1fr)}
    .data-grid,.info-grid,.step-grid,.contact-grid{grid-template-columns:repeat(3,1fr)}
    .faq-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.25fr}
    .table-row{grid-template-columns:1fr 1fr 1.5fr;align-items:center}
}