:root{
  --bg:#0b0e11;
  --panel:#161a1e;
  --panel-2:#1e2329;
  --text:#f5f5f5;
  --muted:#a7b1bc;
  --line:#2b3139;
  --brand:#fcd535;
  --brand-dark:#1f2125;
  --white:#fff;
  --shadow:0 20px 60px rgba(0,0,0,.26);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.topbar{position:sticky;top:0;z-index:20;background:rgba(11,14,17,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700}
.brand-mark{display:grid;grid-template-columns:repeat(2,12px);gap:4px}
.brand-mark i{display:block;width:12px;height:12px;background:var(--white);border-radius:2px}
.nav-links{display:flex;align-items:center;gap:28px;color:#d5d9dd;font-size:15px}
.nav-links a:hover{color:var(--brand)}
.nav-register{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#111;padding:10px 18px;border-radius:999px;font-weight:700}
.hero{padding:56px 0 44px;background:linear-gradient(180deg,#0b0e11 0%,#11161b 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:34px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;padding:7px 12px;border:1px solid rgba(252,213,53,.35);background:rgba(252,213,53,.06);color:var(--brand);font-size:12px;border-radius:999px;letter-spacing:.08em;margin-bottom:18px}
.hero-copy h1{margin:0;font-size:54px;line-height:1.06;letter-spacing:-.03em}
.hero-slogan{margin-top:10px;font-size:24px;color:var(--brand);font-weight:700}
.hero-desc{margin:18px 0 0;color:#d3d8df;font-size:17px;max-width:680px}
.hero-actions{display:flex;align-items:center;gap:14px;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-width:138px;padding:13px 24px;border-radius:14px;font-size:16px;font-weight:700;border:1px solid transparent;transition:.2s ease}
.btn.primary{background:var(--brand);color:#111}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 10px 30px rgba(252,213,53,.24)}
.btn.secondary{background:transparent;color:#fff;border-color:#3c434d}
.btn.secondary:hover{border-color:var(--brand);color:var(--brand)}
.mini-note{margin-top:12px;color:var(--muted);font-size:13px}
.market-panel{background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:24px;padding:18px;box-shadow:var(--shadow)}
.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.tab{appearance:none;border:none;background:#21262d;color:#c9d1d9;padding:12px 10px;border-radius:14px;font-size:15px;font-weight:700;cursor:pointer;transition:.2s ease}
.tab.is-active{background:var(--brand);color:#111}
.market-table{display:none}
.market-table.is-active{display:block}
.row{display:grid;grid-template-columns:1.45fr .8fr .9fr;gap:10px;padding:14px 10px;border-bottom:1px solid rgba(255,255,255,.06);font-size:14px;align-items:center}
.row:last-child{border-bottom:none}
.row.head{padding-top:4px;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.section{padding:42px 0}
.compact-title p,.section-kicker{margin:0 0 6px;color:var(--brand);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.compact-title h2,.download-card h2{margin:0;font-size:34px;line-height:1.18}
.product-grid{margin-top:20px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.product-grid article{background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:22px 20px;box-shadow:var(--shadow)}
.product-icon{width:44px;height:44px;border-radius:14px;background:rgba(252,213,53,.12);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:20px;font-weight:700;margin-bottom:12px}
.product-grid h3{margin:0 0 6px;font-size:20px}
.product-grid p{margin:0;color:var(--muted);font-size:14px}
.download{padding:10px 0 48px}
.download-card{background:linear-gradient(135deg,#151a20 0%,#1d232b 100%);border:1px solid rgba(255,255,255,.06);border-radius:24px;padding:28px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:var(--shadow)}
.download-card p{margin:8px 0 0;color:#d0d6dd}
.download-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
footer{border-top:1px solid rgba(255,255,255,.06);padding:20px 0 28px;color:#b1bac4}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px}
.footer-inner div{display:flex;flex-direction:column;gap:4px}
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-copy h1{font-size:44px}
  .hero-slogan{font-size:21px}
  .product-grid{grid-template-columns:1fr}
  .download-card{flex-direction:column;align-items:flex-start}
}
@media (max-width: 760px){
  .nav{min-height:64px;gap:14px}
  .nav-links{display:none}
  .container{width:min(100% - 24px,1180px)}
  .hero{padding-top:34px}
  .hero-copy h1{font-size:36px}
  .hero-slogan{font-size:18px}
  .hero-desc{font-size:15px}
  .btn{min-width:124px;padding:12px 18px;border-radius:12px}
  .compact-title h2,.download-card h2{font-size:28px}
  .footer-inner{flex-direction:column;align-items:flex-start}
}

.asset-name{display:flex;align-items:center;gap:10px;min-width:0}
.asset-name img{width:30px;height:30px;object-fit:contain;flex:0 0 30px}
.asset-name b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:700}
.logo-box{width:30px;height:30px;border-radius:9px;background:#161a1e;display:grid;place-items:center;flex:0 0 30px}
.logo-box img{width:18px;height:22px}
@media (max-width:760px){
  .topbar{position:sticky}
  .nav{min-height:58px}
  .brand{font-size:18px;gap:9px}
  .brand-mark{grid-template-columns:repeat(2,9px);gap:3px}
  .brand-mark i{width:9px;height:9px}
  .nav-register{padding:8px 15px;font-size:14px}
  .hero{padding:24px 0 30px}
  .hero-grid{gap:20px}
  .eyebrow{font-size:10px;margin-bottom:12px}
  .hero-copy h1{font-size:34px}
  .hero-slogan{font-size:17px;margin-top:6px}
  .hero-desc{font-size:14px;line-height:1.75;margin-top:14px}
  .hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
  .hero-actions .btn{width:100%;min-width:0}
  .market-panel{padding:12px;border-radius:18px}
  .tabs{gap:6px;margin-bottom:8px}
  .tab{padding:10px 6px;font-size:13px;border-radius:11px}
  .row{grid-template-columns:1.45fr .62fr .7fr;padding:12px 4px;gap:5px;font-size:12px}
  .row.head{font-size:10px}
  .asset-name{gap:7px}
  .asset-name img,.logo-box{width:25px;height:25px;flex-basis:25px}
  .logo-box img{width:15px;height:19px}
  .section{padding:30px 0}
  .compact-title h2{font-size:25px}
  .product-grid{gap:12px}
  .product-grid article{padding:18px 16px;border-radius:16px}
  .product-grid h3{font-size:18px}
  .product-grid p{font-size:13px;line-height:1.7}
  .download{padding-bottom:30px}
  .download-card{padding:20px 16px;border-radius:18px}
  .download-card h2{font-size:26px}
  .download-card p{font-size:14px}
  .download-actions{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:10px}
  .download-actions .btn{width:100%;min-width:0}
}
@media (max-width:420px){
  .container{width:min(100% - 20px,1180px)}
  .hero-copy h1{font-size:31px}
  .hero-actions,.download-actions{grid-template-columns:1fr}
  .row{grid-template-columns:1.4fr .55fr .65fr}
  .asset-name b{max-width:64px}
}

/* v7: concise helpful SEO content */
.guide-section{padding-top:18px}
.guide-grid{margin-top:20px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.guide-grid article{background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:18px 20px}
.guide-grid h3{margin:0 0 6px;font-size:17px}
.guide-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.72}
@media(max-width:760px){.guide-section{padding-top:8px}.guide-grid{grid-template-columns:1fr;gap:10px}.guide-grid article{padding:16px;border-radius:15px}.guide-grid h3{font-size:16px}.guide-grid p{font-size:13px}}