/* 等宽数字终端风 · 专业交易感 */
:root{
  --bg:#070b10;--panel:#0c1219;--card:#101820;--ink:#d7e2ec;--muted:#7f93a8;--line:#1c2a38;
  --brand:#e93030;--brand-d:#c41e1e;--term:#3dff9a;--cyan:#41e0ff;--amber:#ffd166;
  --r:6px;--sh:0 0 0 1px #1c2a38,0 18px 40px rgba(0,0,0,.45);--max:1160px;
  --mono:"Cascadia Mono","Consolas","SF Mono","Menlo","Microsoft YaHei Mono",monospace;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--mono);background:
  linear-gradient(rgba(61,255,154,.03) 1px,transparent 1px) 0 0/100% 28px,
  radial-gradient(ellipse at 50% 0%,rgba(65,224,255,.08),transparent 40%),
  var(--bg);color:var(--ink);line-height:1.65;font-size:14px}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}
.wrap{width:min(100% - 32px,var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,11,16,.92);backdrop-filter:none;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em}
.logo-mark{width:32px;height:32px;border-radius:4px;background:#121c24;color:var(--term);border:1px solid var(--term);display:grid;place-items:center;font-size:12px;box-shadow:0 0 16px rgba(61,255,154,.25)}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:12px;letter-spacing:.06em}
.nav-links a{padding:6px 10px;border-radius:4px;color:var(--muted)}
.nav-links a:hover{background:#121c24;color:var(--cyan)}
.nav-links a.t-active{background:rgba(233,48,48,.12);color:#ff7a7a;border:1px solid rgba(233,48,48,.45);font-weight:700}
.nav-cta{background:var(--brand)!important;color:#fff!important;border:1px solid var(--brand)!important}
.nav-sep{width:1px;height:14px;background:var(--line);margin:0 4px}
.ticker{overflow:hidden;border-bottom:1px solid var(--line);background:#0a1016;font-size:11px;color:var(--term);white-space:nowrap}
.ticker-track{display:inline-block;padding:8px 0;animation:marquee 28s linear infinite;will-change:transform}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(ellipse 80% 70% at 18% 20%,#153056 0%,transparent 55%),radial-gradient(ellipse 50% 60% at 88% 35%,rgba(233,48,48,.4) 0%,transparent 50%),linear-gradient(165deg,#050910 0%,#0c182c 50%,#070d18 100%)}
.skyline{position:absolute;inset:auto 0 0 0;height:140px;opacity:.22;pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:56px 0 64px}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:5px 10px;border-radius:4px;background:rgba(61,255,154,.08);border:1px solid rgba(61,255,154,.35);font-size:11px;color:var(--term);letter-spacing:.08em;margin-bottom:14px}
.kicker i{width:7px;height:7px;border-radius:1px;background:var(--term);box-shadow:0 0 0 3px rgba(61,255,154,.2)}
.hero h1{margin:0 0 14px;font-size:clamp(24px,3.6vw,40px);line-height:1.2;letter-spacing:.02em;font-weight:700}
.hero-lead{margin:0 0 16px;color:#9fb2cc;font-size:13px;max-width:52ch}
.term-box{margin:0 0 18px;padding:10px 12px;border:1px solid #1e3348;background:#071018;border-radius:4px;font-size:11px;color:var(--cyan);line-height:1.7}
.term-box .ok{color:var(--term)}.term-box .bad{color:#ff7a7a}.term-box .dim{color:#64748b}
.platform-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.platform-pills button{border:1px solid #2a3b52;background:#0f1826;color:#c9d7ea;padding:7px 12px;border-radius:999px;cursor:pointer;font-size:12px}
.platform-pills button.is-on{background:var(--brand);color:#fff;font-weight:700;border-color:var(--brand)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:4px;font-weight:700;border:1px solid transparent;cursor:pointer;letter-spacing:.04em;font-size:12px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 0 24px rgba(233,48,48,.35)}
.btn-primary:hover{background:var(--brand-d)}
.btn-ghost{background:transparent;color:#fff;border-color:#3a4d66}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-line{background:#101820;color:var(--ink);border-color:#2a3b52}
.btn-line:hover{border-color:var(--term);color:var(--term)}
.btn-sm{padding:8px 14px;font-size:11px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 16px;font-size:11px;color:#7f93ad;margin-bottom:12px}
.meta-row strong{color:var(--amber)}
.update-list{margin:0;padding-left:18px;color:#9fb2cc;font-size:12px}
.update-list li{margin:4px 0}
.mock-wrap{position:relative;perspective:1000px}
.mock{background:linear-gradient(180deg,#121c28,#0a1018);border:1px solid #243247;border-radius:8px;padding:10px;box-shadow:var(--sh);transform:rotateY(-5deg) rotateX(2deg)}
.mock-bar{height:12px;display:flex;gap:6px;margin-bottom:8px}
.mock-bar span{width:8px;height:8px;border-radius:1px;background:#334155}
.mock-screen{display:grid;grid-template-columns:1.25fr .95fr;gap:6px;background:#060a10;border-radius:4px;overflow:hidden;min-height:270px;border:1px solid #1a2636}
.mock-chart{padding:8px;position:relative}
.mock-chart img{width:100%;height:150px;object-fit:cover;border-radius:2px;opacity:.9;filter:contrast(1.05)}
.chart-line{position:absolute;left:12px;right:12px;top:48%;height:1px;background:linear-gradient(90deg,transparent,var(--term),transparent);opacity:.55}
.mock-side{border-left:1px solid #1a2636;padding:8px;font-size:10px}
.mock-side h4{margin:0 0 8px;color:var(--cyan);font-weight:700;font-size:10px;letter-spacing:.08em}
.stk{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px dashed #1a2636;color:#c9d7ea}
.stk em{font-style:normal;color:#ff7a7a;font-variant-numeric:tabular-nums}
.badge-adfree{position:absolute;top:-8px;right:-6px;background:var(--brand);color:#fff;font-size:11px;font-weight:800;padding:8px 12px;transform:rotate(12deg);border-radius:4px;box-shadow:0 0 18px rgba(233,48,48,.4);z-index:2;letter-spacing:.04em}
.section{padding:64px 0}
.section-head{margin-bottom:28px;border-left:3px solid var(--term);padding-left:14px}
.section-head h2{margin:0 0 8px;font-size:clamp(18px,2.4vw,26px);letter-spacing:.04em}
.section-head p{margin:0;color:var(--muted);max-width:70ch;font-size:13px}
.platforms{display:grid;gap:14px}
.plat-pc{position:relative;overflow:hidden;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:linear-gradient(120deg,#141c28 0%,#1a1220 100%);border:1px solid #3a2430;border-radius:var(--r);padding:24px;box-shadow:var(--sh)}
.ribbon{position:absolute;top:16px;left:-34px;background:var(--brand);color:#fff;font-size:11px;font-weight:800;padding:5px 40px;transform:rotate(-45deg);letter-spacing:.06em}
.plat-icon{width:58px;height:58px;border-radius:4px;background:#180c10;color:#ff7a7a;border:1px solid rgba(233,48,48,.5);display:grid;place-items:center;font-size:16px;font-weight:800}
.plat-pc h3{margin:0 0 6px;font-size:18px}
.plat-pc p{margin:0;color:var(--muted);font-size:12px}
.plat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.plat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;text-align:left}
.plat-card .ico{width:42px;height:42px;margin-bottom:12px;border-radius:4px;background:#0a1220;border:1px solid #243247;display:grid;place-items:center;font-size:11px;color:var(--cyan);font-weight:700}
.plat-card h3{margin:0 0 6px;font-size:14px}
.plat-card p{margin:0 0 14px;color:var(--muted);font-size:12px}
.features{display:grid;gap:20px}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;background:var(--card);border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:var(--sh)}
.feat:nth-child(even) .feat-media{order:2}
.feat-media{min-height:220px;background:#060a10;position:relative}
.feat-media img{width:100%;height:100%;object-fit:cover;min-height:220px;opacity:.88}
.feat-media::after{content:"DATA.STREAM";position:absolute;left:10px;bottom:10px;font-size:10px;color:var(--term);background:rgba(0,0,0,.6);border:1px solid #1c2a38;padding:3px 6px}
.feat-body{padding:24px}
.feat-body .tag{display:inline-block;padding:3px 8px;border-radius:2px;background:rgba(65,224,255,.08);color:var(--cyan);font-size:10px;font-weight:700;margin-bottom:10px;letter-spacing:.1em}
.feat-body h3{margin:0 0 10px;font-size:18px}
.feat-body p{margin:0;color:var(--muted);font-size:13px}
.more-feats{margin-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.more-feats details{background:#0c1219;border:1px solid var(--line);border-radius:4px;padding:12px 14px}
.more-feats summary{cursor:pointer;font-weight:700;list-style:none;font-size:12px;color:#cbd5e1;letter-spacing:.04em}
.more-feats summary::-webkit-details-marker{display:none}
.more-feats details[open] summary{color:var(--term);margin-bottom:8px}
.more-feats details p{margin:0;color:var(--muted);font-size:12px}
.community{background:linear-gradient(135deg,#4c1d95 0%,#c2410c 55%,#ea580c 100%);color:#fff;padding:64px 0}
.community .section-head{border-left-color:#ffd166}
.community .section-head p{color:rgba(255,255,255,.85)}
.phones{display:grid;grid-template-columns:repeat(2,minmax(0,320px));gap:24px;justify-content:center}
.phone{background:#0b0f16;border-radius:20px;padding:10px;border:2px solid rgba(255,255,255,.2);box-shadow:0 24px 50px rgba(0,0,0,.3)}
.phone-notch{width:88px;height:6px;border-radius:999px;background:#333;margin:4px auto 8px}
.feed{background:#111827;border-radius:12px;overflow:hidden}
.feed img{width:100%;height:170px;object-fit:cover}
.feed-body{padding:12px}
.feed-body h4{margin:0 0 6px;font-size:13px}
.feed-body p{margin:0;font-size:11px;color:#cbd5e1}
.feed-code{margin-top:8px;font-size:10px;color:#86efac}
.site-footer{background:#05080d;color:#7f93a8;padding:48px 0 24px;font-size:12px;border-top:1px solid #152033}
.qr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}
.qr{background:#0d1420;border:1px solid #1e2a3c;border-radius:4px;padding:14px;text-align:center}
.qr-box{width:80px;height:80px;margin:0 auto 8px;border-radius:2px;background:repeating-conic-gradient(#1e2a3c 0% 25%,#0a1220 0% 50%) 50%/10px 10px;border:3px solid #d7e2ec}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.footer-links h4{margin:0 0 8px;color:#d7e2ec;font-size:12px;letter-spacing:.08em}
.footer-links a{display:block;padding:2px 0;color:#7f93a8}
.footer-links a:hover{color:var(--term)}
.foot-meta{border-top:1px solid #152033;padding-top:14px;display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between;color:#64748b}
.page-hero{padding:40px 0 18px;background:linear-gradient(180deg,#0c1420,#070b10);border-bottom:1px solid var(--line)}
.page-hero h1{margin:0 0 8px;font-size:clamp(20px,2.6vw,28px);letter-spacing:.04em}
.page-hero p{margin:0;color:var(--muted);max-width:68ch;font-size:13px}
.card-list{display:grid;gap:12px}
.dl-card,.faq-item{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:18px}
.dl-card{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}
.dl-card h2,.faq-item h2{margin:0 0 6px;font-size:15px;letter-spacing:.03em}
.dl-card p,.faq-item p{margin:0;color:var(--muted);font-size:12px}
.crumbs{font-size:11px;color:var(--muted);margin-bottom:10px;letter-spacing:.06em}
.crumbs a{color:var(--cyan)}
.note{font-size:11px;color:#64748b;margin-top:6px}
@media (max-width:960px){
  .hero-grid,.feat,.plat-pc,.dl-card{grid-template-columns:1fr}
  .feat:nth-child(even) .feat-media{order:0}
  .plat-grid,.more-feats,.qr-grid,.footer-links,.phones{grid-template-columns:1fr 1fr}
  .mock{transform:none}
}
@media (max-width:640px){
  .plat-grid,.more-feats,.qr-grid,.footer-links,.phones{grid-template-columns:1fr}
  .nav-links .hide-sm{display:none}
}

/* perf */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
.site-header{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
.feat-media img,.mock-chart img,.feat-row img{content-visibility:auto}
.community,.site-footer{content-visibility:auto;contain-intrinsic-size:800px}
img{height:auto}