:root{
  --bg:#050505;
  --panel:#0B0B0D;
  --card:#111111;
  --header:#0F0F10;
  --footer:#090909;
  --red:#D50505;
  --red-hover:#B90404;
  --red-bright:#FF2A2A;
  --text:#FFFFFF;
  --muted:#D6D6D6;
  --sub:#A8A8A8;
  --border:rgba(255,255,255,0.08);
  --red-border:rgba(213,5,5,0.32);
  --mask:rgba(0,0,0,0.65);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
p{color:var(--muted);margin:0 0 16px}
.container{width:min(1180px,92vw);margin:0 auto}
.site-header{position:sticky;top:0;z-index:80;background:linear-gradient(180deg,#151515 0%,#080808 100%);border-bottom:1px solid var(--red-border);box-shadow:0 12px 35px rgba(0,0,0,.36)}
.mobile-header{height:64px;display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:10px;padding:0 14px;background:#0F0F10}
.menu-toggle{width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:#151515;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;cursor:pointer}
.menu-toggle span{width:20px;height:2px;background:#fff;border-radius:4px}
.mobile-logo{justify-self:center}
.mobile-logo img{height:34px;width:auto;object-fit:contain}
.logo img{height:46px;width:auto;object-fit:contain}
.top-action{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;border-radius:999px;background:var(--red);color:#fff;font-weight:800;box-shadow:0 0 22px rgba(213,5,5,.22);white-space:nowrap;transition:.2s ease}
.top-action:hover,.main-btn:hover{background:var(--red-hover);transform:translateY(-1px)}
.desktop-header{display:none;height:82px;align-items:center;gap:28px}
.desktop-nav{flex:1;display:flex;justify-content:center;gap:8px}
.desktop-nav a{position:relative;color:var(--muted);font-weight:700;padding:12px 13px;border-radius:999px;transition:.2s ease}
.desktop-nav a:hover,.desktop-nav a.active{color:#fff;background:rgba(213,5,5,.12)}
.desktop-nav a.active:after{content:"";position:absolute;left:18px;right:18px;bottom:6px;height:2px;background:var(--red-bright);border-radius:4px}
.drawer-overlay{position:fixed;inset:0;background:var(--mask);opacity:0;visibility:hidden;z-index:90;transition:.25s ease}
.drawer-overlay.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:82vw;max-width:320px;background:#0F0F10;border-right:1px solid var(--red-border);z-index:100;transform:translateX(-105%);transition:transform .28s ease;box-shadow:20px 0 45px rgba(0,0,0,.5);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
body.drawer-open{overflow:hidden}
.drawer-head{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--border)}
.drawer-logo img{height:38px;width:auto}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--red-border);background:#151515;color:#fff;font-size:28px;line-height:1;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;padding:16px}
.drawer-nav a{padding:14px 14px;margin:3px 0;color:#fff;border-radius:14px;border:1px solid transparent;font-weight:700}
.drawer-nav a.active,.drawer-nav a:hover{color:#fff;background:rgba(213,5,5,.16);border-color:var(--red-border)}
.section{padding:72px 0}
.section.compact{padding:46px 0}
.section-head{margin-bottom:30px;max-width:820px}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;border:1px solid var(--red-border);background:rgba(213,5,5,.1);color:#FF4A4A;font-weight:800;font-size:14px;margin-bottom:14px}
h1,h2,h3{line-height:1.25;margin:0 0 16px;color:#fff}
h1{font-size:clamp(34px,7.2vw,66px);letter-spacing:-1px}
h2{font-size:clamp(26px,4vw,42px)}
h3{font-size:20px}
.red{color:var(--red-bright)}
.lead{font-size:17px;color:var(--muted)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;min-height:48px;background:var(--red);color:#fff;border-radius:999px;font-weight:900;box-shadow:0 12px 34px rgba(213,5,5,.25);transition:.2s ease}
.ghost-link,.card-link{display:inline-flex;align-items:center;color:#fff;font-weight:800;border-bottom:1px solid var(--red-bright);padding-bottom:3px;margin-top:8px}
.hero{background:radial-gradient(circle at 80% 30%,rgba(213,5,5,.2),transparent 34%),linear-gradient(135deg,#050505 0%,#111111 55%,#1A0000 100%);padding:58px 0 72px;overflow:hidden}
.hero-grid{display:grid;gap:34px;align-items:center}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.hero-tags span,.status-tag{display:inline-flex;align-items:center;padding:7px 12px;border-radius:999px;border:1px solid var(--red-border);background:rgba(213,5,5,.1);color:#fff;font-size:14px;font-weight:700}
.hero-visual{position:relative;border-radius:28px;background:linear-gradient(180deg,#151515,#080808);border:1px solid var(--border);padding:14px;box-shadow:0 0 55px rgba(213,5,5,.16)}
.hero-visual img,.image-card img{border-radius:22px;object-fit:cover;width:100%}
.float-card{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(8,8,8,.86);border:1px solid var(--red-border);border-radius:18px;padding:16px;backdrop-filter:blur(8px)}
.float-card strong{display:block;color:#fff;margin-bottom:4px}.float-card span{color:var(--muted);font-size:14px}
.category-grid{display:grid;gap:16px}
.feature-card,.match-card,.info-card,.data-card,.faq-item,.notice-card{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:22px;transition:.2s ease;box-shadow:0 16px 35px rgba(0,0,0,.2)}
.feature-card:hover,.match-card:hover,.info-card:hover,.data-card:hover{border-color:var(--red-border);transform:translateY(-2px);box-shadow:0 18px 45px rgba(213,5,5,.1)}
.feature-card h3,.match-card h3,.data-card h3{color:#fff}.feature-card .mark,.info-card .mark{color:var(--red-bright);font-weight:900;margin-bottom:8px;display:block}
.match-grid,.security-grid,.three-grid,.two-grid,.news-grid,.steps-grid{display:grid;gap:18px}
.showcase,.app-panel,.split-panel,.score-panel{display:grid;gap:28px;align-items:center;background:var(--panel);border:1px solid var(--border);border-radius:30px;padding:24px;overflow:hidden}
.image-card{border-radius:26px;border:1px solid var(--red-border);background:#151515;padding:12px;box-shadow:0 0 42px rgba(213,5,5,.13)}
.bullet-list{display:grid;gap:12px;margin:20px 0 0;padding:0;list-style:none}
.bullet-list li{background:#111;border:1px solid var(--border);border-radius:16px;padding:14px;color:var(--muted)}
.bullet-list strong{color:#fff;display:block;margin-bottom:2px}
.score-list{display:grid;gap:12px;margin-top:18px}
.score-row{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#0D0D0F;border:1px solid var(--border);border-radius:16px;padding:14px;color:var(--muted)}
.score-row strong{color:#fff}.score-row em{font-style:normal;color:#FF4A4A;font-weight:900}
.cta-band{padding:42px 24px;border-radius:30px;background:radial-gradient(circle at 85% 20%,rgba(255,42,42,.25),transparent 28%),linear-gradient(135deg,#111,#120000);border:1px solid var(--red-border);text-align:center}
.page-hero{padding:62px 0 42px;background:radial-gradient(circle at 72% 20%,rgba(213,5,5,.18),transparent 28%),linear-gradient(180deg,#0B0B0D 0%,#050505 100%);border-bottom:1px solid var(--border)}
.page-hero .lead{max-width:860px}.content-panel{background:var(--panel);border:1px solid var(--border);border-radius:28px;padding:26px;margin-bottom:20px}
.content-panel h2{color:#FF2A2A;font-size:28px}.content-panel h3{color:#fff;margin-top:12px}
.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.related-links a{border:1px solid var(--red-border);background:rgba(213,5,5,.1);padding:9px 13px;border-radius:999px;color:#fff;font-weight:700}
.faq-list{display:grid;gap:14px}.faq-item h3{color:#FF2A2A;font-size:18px}.faq-item p{margin-bottom:0}
.site-footer{background:var(--footer);border-top:1px solid var(--red-border);padding:50px 0 22px;color:var(--muted)}
.footer-grid{display:grid;gap:24px}.footer-brand img{height:44px;width:auto;margin-bottom:16px}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{color:#fff;font-size:18px;margin-bottom:8px}.footer-col a{color:var(--muted)}.footer-col a:hover{color:var(--red-bright)}
.footer-bottom{border-top:1px solid var(--border);margin-top:28px;padding-top:18px;display:flex;flex-direction:column;gap:8px;color:var(--sub);font-size:14px}
@media (min-width:640px){.category-grid{grid-template-columns:repeat(2,1fr)}.match-grid,.security-grid,.three-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.mobile-header{display:none}.desktop-header{display:flex}.hero-grid{grid-template-columns:1.05fr .95fr}.category-grid{grid-template-columns:repeat(4,1fr)}.category-grid .large{grid-column:span 2}.match-grid,.three-grid{grid-template-columns:repeat(3,1fr)}.security-grid{grid-template-columns:repeat(3,1fr)}.two-grid{grid-template-columns:repeat(2,1fr)}.showcase,.app-panel,.split-panel,.score-panel{grid-template-columns:1fr 1fr;padding:34px}.footer-grid{grid-template-columns:1.4fr .8fr .8fr .8fr}.footer-bottom{flex-direction:row;justify-content:space-between}.news-grid{grid-template-columns:1.2fr .8fr}}
@media (min-width:1100px){.match-grid.four{grid-template-columns:repeat(4,1fr)}}
@media (max-width:430px){.top-action{padding:0 13px;min-height:36px}.section{padding:52px 0}.feature-card,.match-card,.info-card,.data-card,.faq-item,.notice-card{padding:18px}.showcase,.app-panel,.split-panel,.score-panel{padding:18px;border-radius:24px}.float-card{position:static;margin-top:12px}.hero{padding-top:38px}h1{font-size:32px}}