:root{
  --bg:#050505;
  --section:#0B0B0D;
  --card:#111111;
  --header:#0F0F10;
  --footer:#090909;
  --red:#D50505;
  --red-dark:#B90404;
  --red-light:#FF2A2A;
  --text:#FFFFFF;
  --muted:#D6D6D6;
  --soft:#A8A8A8;
  --border:rgba(255,255,255,0.08);
  --red-border:rgba(213,5,5,0.32);
  --shadow:0 22px 60px rgba(213,5,5,0.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{background:linear-gradient(180deg,#151515 0%,#080808 100%);border-bottom:1px solid var(--red-border);position:sticky;top:0;z-index:1000;box-shadow:0 8px 26px rgba(0,0,0,.38)}
.mobile-topbar{height:64px;display:grid;grid-template-columns:72px 1fr 86px;align-items:center;padding:0 14px;background:#0F0F10}
.menu-button{width:44px;height:44px;border:1px solid var(--border);border-radius:14px;background:#151515;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.menu-button span{width:20px;height:2px;background:#fff;border-radius:3px}
.mobile-logo{justify-self:center}.mobile-logo img{height:34px;max-width:138px;object-fit:contain}
.top-action{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:999px;background:var(--red);color:#fff;font-weight:800;letter-spacing:.02em;box-shadow:0 12px 24px rgba(213,5,5,.25);transition:.22s ease}
.top-action:hover,.main-btn:hover{background:var(--red-dark);transform:translateY(-1px)}
.top-action.compact{min-height:36px;padding:0 16px;font-size:14px;justify-self:end}
.desktop-topbar{display:none;height:78px;align-items:center;gap:28px}
.brand-logo img{height:44px;max-width:174px;object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}.desktop-nav a{color:#EDEDED;padding:10px 13px;border-radius:999px;font-size:15px;transition:.2s ease}.desktop-nav a:hover,.desktop-nav a.active{color:#fff;background:rgba(213,5,5,.16);box-shadow:inset 0 0 0 1px var(--red-border)}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.65);opacity:0;visibility:hidden;transition:.25s ease;z-index:1001}.drawer-overlay.show{opacity:1;visibility:visible}.mobile-drawer{position:fixed;left:0;top:0;width:84vw;max-width:320px;height:100vh;background:#0F0F10;transform:translateX(-105%);transition:transform .28s ease;z-index:1002;border-right:1px solid var(--red-border);box-shadow:24px 0 80px rgba(0,0,0,.5);padding:18px;overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}body.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border)}.drawer-head img{height:38px;max-width:150px;object-fit:contain}.drawer-close{width:38px;height:38px;border:1px solid var(--red-border);border-radius:12px;background:#151515;color:#fff;font-size:26px;line-height:1;cursor:pointer}.drawer-nav{display:grid;gap:8px;padding:18px 0}.drawer-nav a{display:block;padding:12px 14px;border-radius:14px;color:#fff;background:#141414;border:1px solid var(--border)}.drawer-nav a.active,.drawer-nav a:hover{color:#fff;border-color:var(--red-border);background:rgba(213,5,5,.16)}.drawer-note{font-size:13px;color:var(--muted);padding:14px;border-radius:16px;background:#121212;border:1px solid var(--border)}
.section{padding:64px 0}.section.alt{background:var(--section)}.section-head{margin-bottom:28px}.eyebrow{display:inline-flex;color:#FF4A4A;border:1px solid var(--red-border);background:rgba(213,5,5,.12);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:800;margin-bottom:12px}.section h1,.section h2,.hero h1{line-height:1.18;margin:0 0 16px}.section h1{font-size:34px}.section h2{font-size:28px}.section h3{font-size:20px;margin:0 0 10px}.section p{color:var(--muted);margin:0 0 14px}.muted{color:var(--soft)!important}.red{color:var(--red-light)}
.hero{padding:58px 0 70px;background:radial-gradient(circle at 80% 30%,rgba(213,5,5,.20),transparent 32%),linear-gradient(135deg,#050505 0%,#111111 55%,#1A0000 100%);border-bottom:1px solid var(--border)}.hero-grid{display:grid;gap:32px;align-items:center}.hero h1{font-size:39px;letter-spacing:-.02em}.hero-lead{font-size:17px;color:#E6E6E6}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:24px 0}.main-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--red);color:#fff;font-weight:900;min-height:48px;padding:0 26px;box-shadow:0 16px 34px rgba(213,5,5,.28);transition:.22s ease}.ghost-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--red-border);color:#fff;background:rgba(255,255,255,.03)}.tag-row{display:flex;flex-wrap:wrap;gap:10px}.tag{color:#fff;background:rgba(213,5,5,.12);border:1px solid var(--red-border);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}.hero-visual{position:relative;padding:14px;border-radius:28px;background:linear-gradient(160deg,rgba(213,5,5,.22),rgba(255,255,255,.04));border:1px solid var(--red-border);box-shadow:var(--shadow)}.hero-visual img,.image-card img{border-radius:22px;width:100%;object-fit:cover}.floating-panel{margin-top:14px;display:grid;gap:10px}.mini-panel{background:rgba(17,17,17,.92);border:1px solid var(--border);border-radius:18px;padding:14px}.mini-panel strong{color:#fff}.mini-panel span{display:block;color:var(--soft);font-size:13px}
.grid{display:grid;gap:18px}.category-grid{grid-template-columns:1fr}.feature-card,.match-card,.data-card,.info-card,.faq-item,.notice-box{background:var(--card);border:1px solid var(--border);border-radius:24px;padding:22px;transition:.22s ease}.feature-card:hover,.match-card:hover,.data-card:hover,.info-card:hover{border-color:var(--red-border);box-shadow:0 16px 44px rgba(213,5,5,.10);transform:translateY(-2px)}.feature-card h3,.match-card h3,.data-card h3,.info-card h3{color:#fff}.card-link{display:inline-flex;margin-top:10px;color:#FF4A4A;font-weight:800}.card-link:hover{color:#fff}.status{display:inline-flex;color:#FF4A4A;background:rgba(213,5,5,.12);border:1px solid var(--red-border);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;margin-bottom:12px}.two-col{display:grid;gap:28px;align-items:center}.image-card{padding:12px;border-radius:28px;background:#0D0D0D;border:1px solid var(--red-border);box-shadow:var(--shadow)}.point-list{display:grid;gap:14px;margin-top:18px}.point{padding:16px;border-radius:18px;background:#111;border:1px solid var(--border)}.point strong{display:block;color:#fff;margin-bottom:5px}.score-panel{display:grid;gap:14px}.score-row{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#111;border:1px solid var(--border);border-radius:18px;padding:14px 16px}.score-row b{color:#fff}.score-row span{color:#FF4A4A;font-weight:900}.platform-split{display:grid;gap:18px}.security-grid{grid-template-columns:1fr}.responsible{background:linear-gradient(135deg,#0B0B0D 0%,#160101 100%);border-top:1px solid var(--red-border);border-bottom:1px solid var(--red-border)}.notice-box{border-color:var(--red-border);background:rgba(213,5,5,.08)}.faq-list{display:grid;gap:14px}.faq-item h3{color:#fff}.cta{padding:56px 0;background:radial-gradient(circle at 20% 40%,rgba(213,5,5,.22),transparent 28%),linear-gradient(135deg,#090909 0%,#170101 100%);border-top:1px solid var(--red-border)}.cta-box{text-align:center;max-width:790px;margin:0 auto}.cta h2{color:#fff}.cta p{color:#E3E3E3}.page-hero{padding:54px 0;background:radial-gradient(circle at 85% 20%,rgba(213,5,5,.18),transparent 32%),linear-gradient(135deg,#050505,#101010 60%,#180101);border-bottom:1px solid var(--border)}.page-hero h1{font-size:36px;margin:0 0 14px}.page-hero p{max-width:860px;color:#E4E4E4}.content-block{background:#0B0B0D;border:1px solid var(--border);border-radius:28px;padding:26px;margin-bottom:20px}.content-block h2{color:#FF2A2A;font-size:24px}.content-list{display:grid;gap:14px;margin:18px 0}.content-list li{color:var(--muted)}.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.inner-link{display:inline-flex;padding:9px 14px;border-radius:999px;border:1px solid var(--red-border);color:#fff;background:#111}.inner-link:hover{background:rgba(213,5,5,.16)}.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;position:relative;padding:18px 18px 18px 58px;background:#111;border:1px solid var(--border);border-radius:20px}.step:before{content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:900}.site-footer{background:var(--footer);border-top:1px solid var(--red-border);padding:46px 0 24px}.footer-grid{display:grid;gap:26px}.footer-brand img{height:42px;margin-bottom:14px}.site-footer h3{font-size:17px;margin:0 0 12px;color:#fff}.site-footer a{display:block;color:var(--muted);margin:8px 0}.site-footer a:hover{color:#FF4A4A}.site-footer p{color:var(--muted);margin:0}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid var(--border);display:grid;gap:8px;font-size:13px;color:var(--soft)}
@media (min-width:640px){.category-grid{grid-template-columns:repeat(2,1fr)}.security-grid{grid-template-columns:repeat(2,1fr)}.platform-split{grid-template-columns:1fr 1fr}.floating-panel{grid-template-columns:1fr 1fr}.section h1{font-size:42px}.hero h1{font-size:48px}}
@media (min-width:920px){.mobile-topbar{display:none}.desktop-topbar{display:flex}.hero{padding:86px 0}.hero-grid{grid-template-columns:1.05fr .95fr}.hero h1{font-size:58px}.section{padding:86px 0}.category-grid{grid-template-columns:repeat(4,1fr)}.category-grid .wide{grid-column:span 2}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.two-col{grid-template-columns:1fr 1fr}.security-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}.footer-bottom{grid-template-columns:1fr 1fr}.page-hero{padding:76px 0}.page-hero h1{font-size:48px}}
@media (max-width:420px){.container{width:min(100% - 24px,1180px)}.hero h1,.page-hero h1{font-size:32px}.section h2{font-size:25px}.feature-card,.match-card,.data-card,.info-card,.faq-item,.content-block{padding:18px;border-radius:20px}.main-btn{width:100%}.ghost-link{width:100%}.hero-actions{gap:10px}.mobile-topbar{grid-template-columns:58px 1fr 78px;padding:0 10px}.top-action.compact{padding:0 12px}.score-row{align-items:flex-start;flex-direction:column}}