:root{
  --bg:#060d12;--bg2:#08131a;--panel:#0b151d;--line:#1d303b;--line2:#284251;
  --text:#dbe9f2;--muted:#8ba9b9;--dim:#607d8d;--accent:#f2a51f;--accent2:#6fb3ff;--green:#5fd3a6;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 "Microsoft YaHei","PingFang SC",Arial,sans-serif;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#111;padding:8px 12px;z-index:999}
.skip:focus{left:10px;top:10px}
.eyebrow{color:var(--accent);font-size:11px;letter-spacing:2.2px;font-weight:700;text-transform:uppercase}
.pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);margin-right:7px;vertical-align:1px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(6,13,18,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(29,48,59,.9);box-shadow:0 10px 30px rgba(0,0,0,.18)}
.header-inner{display:flex;align-items:center;gap:20px;height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:9px;background:linear-gradient(145deg,#ffc24d,#f2a51f);color:#111;display:grid;place-items:center;font-weight:900;letter-spacing:.5px;box-shadow:0 0 20px rgba(242,165,31,.22)}
.brand-text b{display:block;font-size:15px;letter-spacing:1.5px;line-height:1.2;color:#fff}
.brand-text small{display:block;color:var(--muted);font-size:9px;letter-spacing:.7px;margin-top:2px}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.site-nav a{color:#a8c0ce;text-decoration:none;font-size:13px;padding:8px 11px;border-radius:7px;white-space:nowrap}
.site-nav a:hover{color:#fff;background:#10212b}
.site-nav .nav-cta{margin-left:8px;background:var(--accent);color:#111;font-weight:700;padding:8px 14px}
.site-nav .nav-cta:hover{background:#ffb838;color:#111}
.menu-btn{display:none;margin-left:auto;background:#0f1a22;border:1px solid var(--line2);color:#cfe2ee;border-radius:7px;width:40px;height:36px;font-size:18px}

/* hero */
.hero{position:relative;padding:76px 0 54px;border-bottom:1px solid var(--line);overflow:hidden}
.hero-glow{position:absolute;inset:-30% -20% auto 35%;height:620px;background:radial-gradient(circle,rgba(242,165,31,.13),transparent 62%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero h1{font-size:52px;line-height:1.16;margin:14px 0 16px;color:#fff;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--accent)}
.lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:600px;margin:0 0 24px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:8px;padding:11px 18px;font-size:13px;font-weight:700;border:1px solid transparent;transition:.16s}
.btn.primary{background:var(--accent);color:#111;box-shadow:0 8px 24px rgba(242,165,31,.18)}
.btn.primary:hover{background:#ffb838;transform:translateY(-1px)}
.btn.ghost{border-color:#2b4553;color:#cfe2ee;background:#0b151d}
.btn.ghost:hover{border-color:var(--accent);color:#fff}
.hero-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px;color:#7f9bab;font-size:11px}
.hero-meta span{white-space:nowrap}

/* console mockup */
.console{background:#081219;border:1px solid #29414f;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.45);overflow:hidden;transform:rotate(.6deg)}
.console-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;background:#0b171f;border-bottom:1px solid #1d303b}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot.red{background:#ff6b6b}.dot.yellow{background:#f2c14e}.dot.green{background:#5fd3a6}
.console-title{margin-left:8px;color:#6f8b9a;font-size:10px;letter-spacing:.5px}
.console-body{display:grid;grid-template-columns:132px 1fr;min-height:330px}
.mini-side{background:#081117;border-right:1px solid #1d303b;padding:12px 8px}
.mini-logo{width:28px;height:28px;border-radius:7px;background:var(--accent);color:#111;display:grid;place-items:center;font-weight:900;font-size:12px;margin:0 0 12px 4px}
.mini-item{font-size:10px;color:#8ba9b9;background:#0e1b23;border:1px solid #1d303b;border-radius:5px;padding:6px 7px;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-item.active{color:#f2a51f;border-color:#6b4a12;background:#241a07}
.mini-new{font-size:10px;color:#6f8b9a;padding:6px 7px;margin-top:10px}
.mini-main{padding:12px}
.mini-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}
.chip-tag{font-size:9px;color:#7fd6a4;border:1px solid #24463a;background:#0b1b16;padding:3px 6px;border-radius:4px}
.mini-status{font-size:9px;color:#6f8b9a}
.mini-chat{display:flex;flex-direction:column;gap:8px}
.bubble{font-size:10px;line-height:1.6;padding:8px 9px;border-radius:7px;max-width:94%}
.bubble.me{align-self:flex-end;background:#1d1608;border:1px solid #57401a;color:#f2dfbd}
.bubble.ai{background:#0a141b;border:1px solid #22333d;border-left:2px solid var(--accent2);color:#cfe2ee}
.bubble.ai b{color:#fff}
.bubble.ok{align-self:flex-start;background:#0b1b16;border:1px solid #24463a;color:#7fd6a4;font-size:9px}

/* stats */
.stats{border-bottom:1px solid var(--line);background:#081219}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.stats-grid>div{background:#081219;padding:22px 16px;text-align:center}
.stats-grid b{display:block;color:var(--accent);font-size:28px;line-height:1.1;font-family:Consolas,monospace}
.stats-grid span{display:block;color:var(--muted);font-size:11px;margin-top:6px;line-height:1.5}

/* sections */
.section{padding:78px 0;border-bottom:1px solid var(--line)}
.section.alt{background:linear-gradient(180deg,#08131a,#071016)}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:34px;line-height:1.25;margin:8px 0 10px;color:#fff;letter-spacing:-.3px}
.section-head p{color:var(--muted);margin:0;font-size:14px}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.problem{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px}
.problem .num{color:var(--accent);font:12px Consolas,monospace;letter-spacing:1px}
.problem h3{font-size:16px;color:#fff;margin:8px 0 8px}
.problem p{color:var(--muted);font-size:13px;margin:0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;transition:.16s}
.feature:hover{border-color:#355365;transform:translateY(-2px)}
.fico{width:38px;height:38px;border-radius:8px;background:#0f1f28;border:1px solid #284251;color:var(--accent);display:grid;place-items:center;font:700 10px Consolas,monospace;margin-bottom:12px}
.feature h3{font-size:15px;color:#fff;margin:0 0 6px}
.feature p{font-size:12.5px;color:var(--muted);margin:0}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:step}
.steps li{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px 18px}
.step-no{position:absolute;right:16px;top:14px;color:#1d303b;font:700 30px Consolas,monospace}
.steps h3{font-size:15px;color:#fff;margin:0 0 6px}
.steps p{font-size:12px;color:var(--muted);margin:0}

/* vendors */
.vendor-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.vendor{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 12px;text-align:center;min-height:112px}
.vendor img{width:42px;height:34px;object-fit:contain;margin:0 auto 8px}
.vendor b{display:block;font-size:12px;color:#fff;line-height:1.3}
.vendor span{display:block;font-size:9px;color:var(--dim);margin-top:3px}
.vendor.live{border-color:#3d5a2a;background:#0b1a12}
.vendor.live span{color:#7fd6a4}
.vendor-note{color:#5f7b8a;font-size:10.5px;margin:14px 0 0}

/* tools */
.tool-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tool-list>div{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:14px 16px}
.tool-list b{display:block;font-size:13px;color:#fff}
.tool-list span{display:block;font-size:11px;color:var(--muted);margin-top:2px}

/* faq */
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:0 16px;margin-bottom:8px}
.faq summary{cursor:pointer;padding:14px 0;font-size:14px;color:#fff;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--accent)}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--muted);font-size:13px;margin:0 0 14px;line-height:1.8}

/* cta */
.cta{padding:64px 0;background:linear-gradient(90deg,#151006,#081219 65%);border-bottom:1px solid var(--line)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta h2{font-size:30px;color:#fff;margin:6px 0 6px}
.cta p{color:var(--muted);margin:0;font-size:13px}
.cta-actions{display:flex;gap:10px;flex-shrink:0}

/* footer */
.site-footer{background:#050b10;padding:44px 0 18px;color:#7e9aa9}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.footer-brand{margin-bottom:10px}
.footer-grid p{font-size:12px;line-height:1.8;margin:0}
.site-footer h3{color:#cfe2ee;font-size:12px;margin:0 0 8px}
.site-footer a{display:block;color:#8ba9b9;text-decoration:none;font-size:12px;line-height:2}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #152630;margin-top:28px;padding-top:14px;font-size:10.5px;color:#526e7d;flex-wrap:wrap}

/* responsive */
@media(max-width:1050px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:44px}
  .hero-visual{max-width:640px}
  .vendor-grid{grid-template-columns:repeat(4,1fr)}
  .feature-grid,.problem-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .site-nav{display:none;position:absolute;left:0;right:0;top:66px;background:#081219;border-bottom:1px solid var(--line);padding:10px 16px;flex-direction:column;align-items:stretch}
  .site-nav.open{display:flex}
  .site-nav a{padding:11px 10px}
  .site-nav .nav-cta{margin:6px 0 0;text-align:center}
  .menu-btn{display:block}
  .header-inner{position:relative}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .container{padding:0 16px}
  .hero{padding:46px 0 36px}
  .hero h1{font-size:34px}
  .lead{font-size:14px}
  .section{padding:52px 0}
  .section-head h2{font-size:26px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .feature-grid,.problem-grid,.vendor-grid,.tool-list,.steps{grid-template-columns:1fr 1fr}
  .vendor-grid{gap:8px}
  .console-body{grid-template-columns:104px 1fr}
  .mini-side{padding:8px 5px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-meta{gap:10px;font-size:10px}
}

/* AI search summary */
.ai-summary{padding:36px 0;border-bottom:1px solid var(--line);background:#071116}
.summary-box{background:#0a151d;border:1px solid #22333d;border-left:3px solid var(--accent);border-radius:10px;padding:22px 24px}
.summary-label{color:var(--accent);font:700 10px Consolas,monospace;letter-spacing:1.8px;margin-bottom:6px}
.summary-box h2{font-size:20px;color:#fff;margin:0 0 8px}
.summary-box p{color:#b8d2df;font-size:13.5px;line-height:1.9;margin:0 0 12px}
.fact-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:4px 20px}
.fact-list li{color:#8ba9b9;font-size:12px;line-height:1.8}
.fact-list b{color:#cfe2ee}
@media(max-width:600px){.fact-list{grid-template-columns:1fr}}