:root{
  --c-primary:#E11631;
  --c-primary-d:#b81127;
  --c-bg:#0e0e12;
  --c-bg-alt:#16161d;
  --c-card:#1c1c26;
  --c-line:#2a2a36;
  --c-text:#e8e8ec;
  --c-muted:#9a9aa5;
  --c-up:#25c37a;
  --c-down:#ff5a52;
  --glow:0 0 18px rgba(225,22,49,.55);
  --radius:14px;
  --shadow:0 10px 34px rgba(0,0,0,.45);
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  color:var(--c-text);background:var(--c-bg);line-height:1.7;font-size:15px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.3}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

.btn{display:inline-block;padding:11px 26px;border-radius:8px;font-size:14px;
  font-weight:700;cursor:pointer;transition:.25s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{background:var(--c-primary-d);box-shadow:0 0 26px rgba(225,22,49,.75);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary);box-shadow:var(--glow)}
.btn-lg{padding:15px 38px;font-size:16px}
.btn-sm{padding:8px 18px;font-size:13px}

.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(14,14,18,.92);backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 20px;height:66px;
  display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:38px;width:auto}
.brand-name{font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:26px}
.main-nav>ul{display:flex;gap:6px}
.main-nav>ul>li>a{display:block;padding:8px 14px;font-weight:600;color:var(--c-text);
  border-radius:6px;transition:.2s}
.main-nav>ul>li>a:hover{color:#fff;background:rgba(225,22,49,.14)}
.nav-cta .btn{padding:9px 22px}
.nav-toggle{display:none;width:42px;height:42px;background:transparent;border:1px solid var(--c-line);
  border-radius:8px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-text);transition:.3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-spacer{height:66px}

.hero{position:relative;overflow:hidden;
  background:radial-gradient(1000px 500px at 80% -10%,rgba(225,22,49,.22),transparent 60%),
    linear-gradient(180deg,#0e0e12 0%,#14141b 100%)}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:70px 20px 80px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-tag{display:inline-block;padding:6px 14px;border:1px solid var(--c-line);border-radius:30px;
  font-size:12px;color:var(--c-muted);margin-bottom:18px;letter-spacing:1px}
.hero-text h1{font-size:44px;font-weight:800;color:#fff;margin-bottom:18px}
.hero-text h1 .neon{color:var(--c-primary);text-shadow:var(--glow)}
.hero-text>p{font-size:16px;color:var(--c-muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hero-stats li{background:var(--c-card);border:1px solid var(--c-line);border-radius:12px;padding:14px}
.hero-stats b{display:block;font-size:20px;color:var(--c-primary);font-weight:800}
.hero-stats b i{font-style:normal;font-size:14px}
.hero-stats span{font-size:12px;color:var(--c-muted)}

.hero-quote{background:var(--c-card);border:1px solid var(--c-line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow)}
.quote-head{display:flex;align-items:center;gap:8px;font-weight:700;color:#fff;
  padding-bottom:14px;border-bottom:1px solid var(--c-line);margin-bottom:6px}
.quote-head .dot{width:9px;height:9px;border-radius:50%;background:var(--c-up);
  box-shadow:0 0 10px var(--c-up);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.quote-list li{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;
  padding:11px 4px;border-bottom:1px dashed var(--c-line)}
.quote-list .sym{font-weight:600;color:var(--c-text)}
.quote-list .px{font-family:"Consolas",monospace;font-size:16px;font-weight:700;text-align:right;transition:color .3s}
.quote-list .chg{font-size:12px;text-align:right;min-width:58px}
.up{color:var(--c-up)}
.down{color:var(--c-down)}
.quote-note{display:block;margin-top:12px;font-size:11px;color:var(--c-muted)}

.section{padding:72px 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{text-align:center;margin-bottom:44px}
.section-head h2{font-size:32px;font-weight:800;color:#fff}
.section-head h2::after{content:"";display:block;width:52px;height:3px;background:var(--c-primary);
  margin:14px auto 0;border-radius:3px;box-shadow:var(--glow)}
.section-head.left h2::after{margin-left:0}
.section-head p{color:var(--c-muted);margin-top:10px}
.more-link{color:var(--c-primary);font-weight:600}

.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);
  padding:26px;transition:.25s}
.card:hover{border-color:var(--c-primary);transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ic{font-size:34px;margin-bottom:12px}
.card h3{font-size:18px;color:#fff;margin-bottom:8px}
.card p{color:var(--c-muted);font-size:14px}

.feature,.instrument,.promo{text-align:left}

.account{position:relative;text-align:center}
.account.featured{border-color:var(--c-primary);box-shadow:var(--glow)}
.account .badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--c-primary);color:#fff;font-size:12px;padding:4px 14px;border-radius:20px;box-shadow:var(--glow)}
.account .price{font-size:15px;color:var(--c-muted);margin:8px 0 18px}
.account .price b{font-size:30px;color:var(--c-primary);font-weight:800}
.account ul{margin-bottom:22px}
.account ul li{padding:8px 0;border-bottom:1px dashed var(--c-line);color:var(--c-text);font-size:14px}

.cat-grid{margin-top:24px}
.cat-item{display:flex;align-items:center;justify-content:space-between}
.cat-item h3{margin:0}
.cat-item .arrow{color:var(--c-primary);font-size:13px}

.platform .pf-logo{display:inline-block;font-weight:800;font-size:22px;color:#fff;
  background:var(--c-primary);padding:6px 16px;border-radius:8px;margin-bottom:14px;box-shadow:var(--glow)}
.pf-devices{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}
.pf-devices span{font-size:12px;color:var(--c-muted);border:1px solid var(--c-line);
  padding:4px 12px;border-radius:20px}

.promo .btn{margin-top:14px}

.news-item{padding:0;overflow:hidden;display:block}
.news-thumb{height:180px;overflow:hidden;background:#0a0a0e}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-item:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px}
.news-date{font-size:12px;color:var(--c-primary)}
.news-body h3{margin:8px 0}
.news-body p{color:var(--c-muted);font-size:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.cta-band{padding:64px 0;text-align:center;
  background:radial-gradient(700px 300px at 50% 0%,rgba(225,22,49,.25),transparent 65%),var(--c-bg-alt);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:10px}
.cta-band p{color:var(--c-muted);margin-bottom:24px}
.cta-band .cta-note{display:block;margin-top:16px;font-size:12px;color:var(--c-muted)}

.page-banner{background:linear-gradient(120deg,#16161d,#0e0e12);border-bottom:1px solid var(--c-line);
  padding:46px 0}
.page-banner h1{font-size:30px;color:#fff}
.crumb{color:var(--c-muted);font-size:13px;margin-top:8px}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}

.page-layout{display:grid;grid-template-columns:1fr 320px;gap:34px;padding-top:40px;padding-bottom:60px}

.article-list li{display:flex;gap:18px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:12px;padding:16px;margin-bottom:18px;transition:.25s}
.article-list li:hover{border-color:var(--c-primary)}
.article-list .thumb{flex:0 0 200px;height:130px;border-radius:8px;overflow:hidden;background:#0a0a0e}
.article-list .thumb img{width:100%;height:100%;object-fit:cover}
.article-list .info h2{font-size:18px;color:#fff;margin-bottom:8px}
.article-list .info h2 a:hover{color:var(--c-primary)}
.article-list .info p{color:var(--c-muted);font-size:14px;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-list .date{font-size:12px;color:var(--c-primary)}

.pagination{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.pagination a{padding:8px 14px;border:1px solid var(--c-line);border-radius:6px;color:var(--c-text);
  background:var(--c-card);transition:.2s}
.pagination a:hover{border-color:var(--c-primary);color:var(--c-primary)}

.article-detail{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:30px}
.article-title{font-size:26px;color:#fff;margin:12px 0 14px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--c-muted);
  padding-bottom:18px;border-bottom:1px solid var(--c-line);margin-bottom:22px}
.article-content{color:var(--c-text);line-height:1.9}
.article-content p{margin-bottom:16px}
.article-content img{margin:14px 0;border-radius:8px}
.risk-note{margin-top:26px;padding:16px 18px;background:rgba(225,22,49,.08);
  border:1px solid rgba(225,22,49,.35);border-left:3px solid var(--c-primary);
  border-radius:8px;font-size:13px;color:#f0b8be}
.article-nav{margin-top:24px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--c-muted)}
.article-nav a:hover{color:var(--c-primary)}
.related{margin-top:28px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:24px}
.related h3{color:#fff;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--c-line)}
.related ul li{display:flex;justify-content:space-between;gap:14px;padding:9px 0;
  border-bottom:1px dashed var(--c-line);font-size:14px}
.related ul li a:hover{color:var(--c-primary)}
.related ul li span{color:var(--c-muted);font-size:12px;white-space:nowrap}

.side-box{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);
  padding:22px;margin-bottom:22px}
.side-box h3{color:#fff;font-size:17px;margin-bottom:14px;padding-bottom:10px;
  border-bottom:1px solid var(--c-line)}
.side-box h3::before{content:"";display:inline-block;width:4px;height:15px;background:var(--c-primary);
  margin-right:8px;vertical-align:-2px;border-radius:2px;box-shadow:var(--glow)}
.side-menu li a,.side-news li a{display:block;padding:9px 0;border-bottom:1px dashed var(--c-line);
  color:var(--c-text);font-size:14px;transition:.2s}
.side-menu li a:hover,.side-news li a:hover{color:var(--c-primary);padding-left:6px}
.side-cta p{color:var(--c-muted);font-size:13px;margin-bottom:16px}
.side-cta .btn{width:100%;text-align:center}

.site-footer{background:#0a0a0e;border-top:1px solid var(--c-line);padding-top:52px;color:var(--c-muted)}
.footer-top{max-width:var(--maxw);margin:0 auto;padding:0 20px 40px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-about p{font-size:14px;line-height:1.8}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col ul li a:hover{color:var(--c-primary)}
.footer-contact li{margin-bottom:12px}
.risk-warning{max-width:var(--maxw);margin:0 auto;padding:18px 20px;font-size:12px;line-height:1.8;
  color:#c7c7d0;border-top:1px solid var(--c-line)}
.risk-warning strong{color:var(--c-primary)}
.reg-statement{max-width:var(--maxw);margin:0 auto;padding:0 20px 18px;font-size:12px;
  line-height:1.8;color:var(--c-muted)}
.footer-links{max-width:var(--maxw);margin:0 auto;padding:16px 20px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:14px;font-size:13px}
.footer-links a:hover{color:var(--c-primary)}
.footer-bottom{border-top:1px solid var(--c-line);padding:20px;text-align:center;font-size:13px}
.footer-bottom a{color:var(--c-muted)}
.footer-bottom a:hover{color:var(--c-primary)}
.footer-perf{margin-top:6px;font-size:11px;opacity:.6}

.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--c-primary);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--glow);opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s;z-index:900}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--c-primary-d)}

@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .page-layout{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:66px;left:0;right:0;background:#0e0e12;border-bottom:1px solid var(--c-line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 20px;
    max-height:0;overflow:hidden;transition:max-height .3s ease}
  .main-nav.open{max-height:80vh}
  .main-nav>ul{flex-direction:column;gap:0}
  .main-nav>ul>li>a{padding:12px 8px;border-bottom:1px solid var(--c-line)}
  .nav-cta{margin-top:14px}
  .nav-cta .btn{display:block;text-align:center}
  .hero-text h1{font-size:32px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .article-list li{flex-direction:column}
  .article-list .thumb{flex:none;width:100%;height:180px}
  .section{padding:48px 0}
  .section-head h2{font-size:26px}
}
@media (max-width:480px){
  .footer-top{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr}
}