:root{
  --bg:#0E1116;
  --bg-2:#141821;
  --bg-3:#1a1f2b;
  --line:#242a38;
  --text:#E6E9EF;
  --muted:#8891A5;
  --dim:#5b6478;
  --brand:#00E5A0;
  --brand-2:#00b988;
  --brand-glow:rgba(0,229,160,.18);
  --danger:#ff5470;
  --warn:#ffb547;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--bg);color:var(--text);font-family:'Inter','PingFang SC','Microsoft YaHei','Hiragino Sans GB',system-ui,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
code,.mono{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:88px 0;position:relative}
h1,h2,h3,h4{line-height:1.2}

/* Nav */
header.nav{position:sticky;top:0;z-index:50;background:rgba(14,17,22,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:.2px}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px var(--brand-glow),0 0 0 4px rgba(0,229,160,.08)}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--muted);align-items:center}
.nav-links a{transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-cta{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:600;transition:transform .15s ease,background .15s ease,border-color .15s ease;cursor:pointer;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--brand);color:#001b12}
.btn-primary:hover{background:#1aefad;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-lg{padding:14px 24px;font-size:15px;border-radius:12px}

/* Hero */
.hero{padding:96px 0 72px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 400px at 15% 20%, rgba(0,229,160,.10), transparent 60%),
  radial-gradient(700px 500px at 90% 10%, rgba(0,120,255,.06), transparent 60%);
  pointer-events:none}
.grid-bg{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
  linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse at center,black 30%, transparent 75%);mask-image:radial-gradient(ellipse at center,black 30%, transparent 75%);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted);background:rgba(255,255,255,.02)}
.badge .pulse{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 var(--brand-glow);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,229,160,.6)}70%{box-shadow:0 0 0 10px rgba(0,229,160,0)}100%{box-shadow:0 0 0 0 rgba(0,229,160,0)}}
h1{font-size:clamp(34px,5vw,56px);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin:20px 0 18px}
h1 .accent{background:linear-gradient(135deg,var(--brand),#5eeacb 60%, #9df9e2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:28px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.meta-row{display:flex;gap:24px;flex-wrap:wrap;color:var(--dim);font-size:13px}
.meta-row span b{color:var(--text);font-weight:600}

/* App window mock */
.app-window{background:linear-gradient(180deg,#151a25,#10141c);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(0,229,160,.05)}
.app-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);background:#0f1319}
.app-dots{display:flex;gap:6px}
.app-dots i{width:11px;height:11px;border-radius:50%;background:#2a3040}
.app-title{font-size:12px;color:var(--muted)}
.app-status{font-size:12px;color:var(--brand);display:flex;align-items:center;gap:6px}
.app-status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand)}
.app-body{display:grid;grid-template-columns:170px 1fr;min-height:340px}
.app-side{border-right:1px solid var(--line);padding:16px 10px;background:#0d1117}
.side-item{padding:9px 12px;border-radius:8px;font-size:13px;color:var(--muted);margin-bottom:2px}
.side-item.active{background:rgba(0,229,160,.08);color:var(--brand)}
.app-main{padding:18px 20px}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.kpi{background:#131822;border:1px solid var(--line);border-radius:10px;padding:12px}
.kpi .l{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.kpi .v{font-size:20px;font-weight:700;margin-top:4px}
.kpi .v small{font-size:11px;color:var(--muted);font-weight:500}
.kpi.brand .v{color:var(--brand)}
.waveform{height:60px;background:#0f1319;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:2px;padding:0 12px;overflow:hidden}
.waveform i{display:block;width:3px;background:linear-gradient(180deg,var(--brand),#0aa376);border-radius:2px;animation:wave 1.2s ease-in-out infinite}
@keyframes wave{0%,100%{height:20%}50%{height:90%}}
.task-list{margin-top:14px}
.task-item{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border:1px solid var(--line);border-radius:8px;margin-bottom:7px;background:#10151d;font-size:13px}
.task-item .cron{color:var(--muted);font-size:12px}
.tag{padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600}
.tag.run{background:rgba(0,229,160,.12);color:var(--brand)}
.tag.wait{background:rgba(136,145,165,.15);color:var(--muted)}
.tag.urg{background:rgba(255,84,112,.14);color:var(--danger)}

/* Section heads */
.section-head{text-align:center;margin-bottom:48px}
.section-head .eyebrow{color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.section-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.01em;margin:12px 0 14px;line-height:1.2}
.section-head p{color:var(--muted);max-width:680px;margin:0 auto;font-size:16px}

/* Features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:linear-gradient(180deg,var(--bg-2),#10141c);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .2s ease,border-color .2s ease;position:relative;overflow:hidden}
.feature:hover{transform:translateY(-3px);border-color:rgba(0,229,160,.35)}
.feature .ficon{width:44px;height:44px;border-radius:10px;background:rgba(0,229,160,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.feature h3{font-size:17px;font-weight:700;margin-bottom:8px}
.feature p{color:var(--muted);font-size:14px}

/* Architecture */
.arch{background:var(--bg-2)}
.arch-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.arch-stack{background:#10141c;border:1px solid var(--line);border-radius:var(--radius);padding:8px;font-family:'JetBrains Mono',monospace;font-size:13px}
.stack-row{padding:14px 18px;border-radius:8px;margin:4px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);border:1px solid transparent;transition:all .2s}
.stack-row:hover{border-color:var(--brand);color:var(--text);background:rgba(0,229,160,.04)}
.stack-row b{color:var(--text);font-weight:600}
.stack-row .tag2{font-size:11px;color:var(--brand);background:rgba(0,229,160,.1);padding:2px 8px;border-radius:4px}
.arch-copy h3{font-size:24px;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
.arch-copy p{color:var(--muted);margin-bottom:18px}
.arch-list li{list-style:none;padding:8px 0;color:var(--muted);display:flex;align-items:start;gap:10px}
.arch-list li::before{content:"→";color:var(--brand);font-weight:700}

/* Scenarios */
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.scene{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;transition:.2s;display:block}
.scene:hover{border-color:var(--brand);transform:translateY(-2px)}
.scene .emo{font-size:32px;margin-bottom:12px}
.scene h4{font-size:15px;font-weight:700;margin-bottom:6px}
.scene p{color:var(--muted);font-size:13px}

/* Numbers */
.numbers{background:linear-gradient(90deg,rgba(0,229,160,.05),transparent 50%, rgba(0,229,160,.05));border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 0}
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.num .v{font-size:36px;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.num .l{color:var(--muted);font-size:13px;margin-top:4px}

/* Flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow-step{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.flow-step .n{width:32px;height:32px;border-radius:8px;background:var(--brand);color:#001b12;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-family:'JetBrains Mono',monospace}
.flow-step h4{font-size:15px;font-weight:700;margin-bottom:6px}
.flow-step p{color:var(--muted);font-size:13px}

/* Pricing */
.pricing{background:var(--bg-2)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plan{background:linear-gradient(180deg,#131822,#0f131a);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;transition:.2s}
.plan.featured{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),0 20px 40px rgba(0,229,160,.08)}
.plan .name{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:600}
.plan .price{font-size:36px;font-weight:800;margin:14px 0 4px;letter-spacing:-.02em}
.plan .price small{font-size:14px;color:var(--muted);font-weight:500}
.plan .desc{color:var(--muted);font-size:14px;min-height:44px;margin-bottom:18px}
.plan ul{list-style:none}
.plan li{padding:7px 0;font-size:14px;color:var(--muted);display:flex;align-items:start;gap:10px}
.plan li::before{content:"✓";color:var(--brand);font-weight:800}
.plan .btn{width:100%;justify-content:center;margin-top:18px}
.ribbon{position:absolute;top:16px;right:16px;background:var(--brand);color:#001b12;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.05em}

/* FAQ */
details.faq-item{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:10px}
details.faq-item[open]{border-color:rgba(0,229,160,.3)}
details.faq-item summary{font-weight:600;cursor:pointer;list-style:none;position:relative;padding-right:28px;font-size:15px}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--brand);font-size:20px;font-weight:400;transition:transform .2s}
details.faq-item[open] summary::after{content:"−"}
details.faq-item p{color:var(--muted);margin-top:12px;font-size:14px}

/* CTA band */
.cta-band{text-align:center;padding:72px 24px;background:linear-gradient(135deg,rgba(0,229,160,.08),rgba(0,229,160,.02));border:1px solid var(--line);border-radius:20px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 300px at center,rgba(0,229,160,.15),transparent 60%);pointer-events:none}
.cta-band h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.01em;margin-bottom:14px;position:relative}
.cta-band p{color:var(--muted);margin-bottom:26px;position:relative;font-size:16px}
.cta-band .btn{position:relative}

/* Comparison table */
.compare{width:100%;border-collapse:collapse;font-size:14px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare th,.compare td{padding:14px 18px;text-align:center;border-bottom:1px solid var(--line)}
.compare th{background:#10141c;color:var(--muted);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.compare td:first-child,.compare th:first-child{text-align:left;color:var(--text)}
.compare tr:last-child td{border-bottom:none}
.compare .yes{color:var(--brand);font-weight:700}
.compare .no{color:var(--dim)}
.compare-wrap{overflow-x:auto}

/* Content / article pages */
.page-hero{padding:72px 0 48px}
.breadcrumb{font-size:13px;color:var(--dim);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.article{max-width:820px;margin:0 auto}
.article h1{font-size:clamp(30px,4vw,44px);margin-bottom:16px}
.article .lead{font-size:18px;color:var(--muted);margin-bottom:28px}
.article h2{font-size:24px;font-weight:700;margin:36px 0 14px;letter-spacing:-.01em}
.article h3{font-size:18px;font-weight:700;margin:24px 0 10px}
.article p{color:var(--text);margin-bottom:14px}
.article ul,.article ol{margin:0 0 16px 22px;color:var(--muted)}
.article li{margin-bottom:6px}
.article strong{color:var(--text)}
.article blockquote{border-left:3px solid var(--brand);padding:8px 0 8px 20px;color:var(--muted);margin:18px 0;font-style:italic}
.article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.article th,.article td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article th{background:var(--bg-2);color:var(--muted)}
.cta-inline{margin:36px 0;padding:28px;background:linear-gradient(135deg,rgba(0,229,160,.08),rgba(0,229,160,.02));border:1px solid var(--line);border-radius:14px;text-align:center}
.related{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.related a{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:20px;display:block;transition:.2s}
.related a:hover{border-color:var(--brand);transform:translateY(-2px)}
.related a span{color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.related a h4{font-size:16px;font-weight:700;margin:8px 0 4px}
.related a p{color:var(--muted);font-size:13px;margin:0}

/* Solutions grid extra */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sol-card{background:linear-gradient(180deg,var(--bg-2),#10141c);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.2s;display:block}
.sol-card:hover{border-color:var(--brand);transform:translateY(-3px)}
.sol-card .emo{font-size:30px;margin-bottom:14px}
.sol-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.sol-card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.sol-card .more{color:var(--brand);font-size:13px;font-weight:600}

/* Voice showcase */
.voices{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.voice{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;font-size:14px}
.voice b{font-weight:600}
.voice .role{color:var(--muted);font-size:12px}
.voice .play{width:34px;height:34px;border-radius:50%;background:rgba(0,229,160,.12);color:var(--brand);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;font-size:13px}
.voice .play:hover{background:var(--brand);color:#001b12}

/* Footer */
footer{border-top:1px solid var(--line);padding:44px 0 28px;color:var(--muted);font-size:13px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.foot-brand{max-width:300px}
.foot-brand p{margin-top:12px;color:var(--dim);font-size:13px}
.foot-col h5{color:var(--text);font-size:13px;font-weight:600;margin-bottom:12px;text-transform:uppercase;letter-spacing:.08em}
.foot-col a{display:block;padding:4px 0;color:var(--muted);font-size:13px}
.foot-col a:hover{color:var(--brand)}
.foot-bot{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--dim)}
.icp{color:var(--dim);font-size:12px}

/* Mobile */
@media (max-width: 960px){
  .hero-inner,.arch-grid{grid-template-columns:1fr;gap:40px}
  .features,.scenes,.plans,.flow,.num-grid,.foot-grid,.sol-grid,.related,.voices{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  section{padding:60px 0}
}
@media (max-width: 560px){
  .features,.scenes,.plans,.flow,.num-grid,.foot-grid,.kpi-row,.sol-grid,.related,.voices{grid-template-columns:1fr}
  .app-body{grid-template-columns:1fr}
  .app-side{display:none}
  h1{font-size:34px}
  .nav-cta .btn-ghost{display:none}
}

/* nav dropdown */
.has-drop{position:relative}
.has-drop > a{display:inline-flex;align-items:center;gap:4px}
.drop{position:absolute;top:100%;left:-14px;min-width:220px;background:#131822;border:1px solid var(--line);border-radius:12px;padding:8px;display:none;box-shadow:0 20px 50px rgba(0,0,0,.5);padding-top:14px;margin-top:0}
.has-drop:hover .drop{display:block}
.drop a{display:block;padding:9px 12px;border-radius:8px;color:var(--muted);font-size:13px}
.drop a:hover{background:rgba(0,229,160,.06);color:var(--text)}