:root{--bg:#090d13;--side:#0d121a;--panel-a:#141c26;--panel-b:#111820;--line:#24323f;--line-2:#2d404d;--text:#e9eef4;--sub:#91a5b5;--muted:#8198a8;--accent:#82ebd6;--accent-2:#78e4d7;--accent-ink:#0b2324;--kicker:#6dd5c8;--chip:#14212b;font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:var(--text);background:var(--bg);font-size:15px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);line-height:1.6}a{color:var(--accent)}img,video{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.site-top{position:sticky;top:0;z-index:20;background:#090d13e6;backdrop-filter:blur(8px);border-bottom:1px solid #1e2a36}
.site-top .wrap{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:2px;font-size:15px;color:var(--text);text-decoration:none;white-space:nowrap}.brand small{display:block;font-size:8px;letter-spacing:2px;color:#7490a4;margin-top:3px;font-weight:600}
.mark{display:grid;place-items:center;width:34px;height:34px;background:var(--accent-2);color:#09201e;border-radius:10px;font-size:21px;letter-spacing:0}
.site-nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}.site-nav a{color:#9bafbf;text-decoration:none;padding:8px 11px;border-radius:9px;font-size:14px}.site-nav a:hover,.site-nav a.on{background:#182531;color:var(--text)}
.top-cta{display:flex;gap:8px;align-items:center}
.pill{border:1px solid var(--line-2);background:var(--chip);border-radius:999px;padding:7px 13px;color:#a9c5d1;font-size:13px;text-decoration:none;white-space:nowrap}.pill.gift{color:#f8d38d;border-color:#7c6232;background:#2c2416}
.primary,.ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:9px;border:1px solid #37515e;background:#162631;color:#c9e5e5;padding:11px 18px;font-weight:700;font-size:14px;text-decoration:none;cursor:pointer;font-family:inherit}
.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.primary:hover{background:#a7f6e8}.ghost:hover{border-color:#79dccc;background:#1b303a}
.small{font-size:12px;padding:7px 12px}
.menu-toggle{display:none;background:none;border:1px solid var(--line-2);color:var(--text);border-radius:8px;padding:6px 10px;font-size:18px}
.kicker{font-size:11px;letter-spacing:2.5px;color:var(--kicker);font-weight:700;text-transform:uppercase}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;letter-spacing:-1px;margin:12px 0 14px}h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.4px;margin:8px 0 10px}h3{font-size:17px;margin:4px 0 8px}
.lead{color:var(--sub);font-size:clamp(15px,1.6vw,18px);max-width:720px}
section.block{padding:72px 0;border-bottom:1px solid #121c26}.block-head{margin-bottom:28px;max-width:760px}.block-head p{color:var(--sub);margin:0}
.panel{border:1px solid var(--line);background:linear-gradient(155deg,var(--panel-a),var(--panel-b) 60%);border-radius:16px;padding:24px;min-width:0;box-shadow:0 20px 70px #0002}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-5{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.card{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;transition:border-color .15s}.card:hover{border-color:#4f8f87}.card p{color:var(--sub);margin:0;font-size:14px}.card .more{margin-top:auto;color:var(--accent);font-size:13px;font-weight:600}
.icon{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:#193a3c;color:#89f4e4;font-size:20px}

.hero{padding:70px 0 60px;border-bottom:1px solid #121c26;background:radial-gradient(900px 400px at 75% -10%,#123a3a55,transparent),radial-gradient(700px 360px at 0% 0%,#14263a55,transparent)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:40px;align-items:center}
.prompt-box{margin-top:26px;border:1px solid #2a3b48;background:#0c141d;border-radius:14px;padding:12px}.prompt-box textarea{width:100%;min-height:84px;resize:vertical;background:transparent;border:0;outline:none;color:#e7f2f3;font:inherit;font-size:15px;line-height:1.6}
.prompt-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:6px}.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{border:1px solid var(--line-2);background:var(--chip);color:#a9c5d1;border-radius:999px;padding:5px 11px;font-size:12px;cursor:pointer;font-family:inherit}.chip:hover{border-color:#79dccc;color:var(--text)}
.hero-note{color:var(--muted);font-size:13px;margin-top:12px}
.hero-media{aspect-ratio:9/12;max-height:560px;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#0c141d;display:grid;place-items:center;position:relative}.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .flow{padding:28px;display:grid;gap:12px;width:100%}.flow-step{display:flex;gap:12px;align-items:flex-start;border:1px solid #304956;background:#162630;border-radius:12px;padding:12px 14px}.flow-step b{display:block}.flow-step small{color:var(--sub)}.flow-step .icon{flex:none;width:34px;height:34px;font-size:16px}

.cases{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.case{padding:0;overflow:hidden}.case .media{aspect-ratio:3/4;background:#0a1118}.case .media img,.case .media video{width:100%;height:100%;object-fit:cover;display:block}.case .meta{padding:12px 14px}.case .meta small{color:var(--kicker);font-weight:700;letter-spacing:1px}.case .meta p{color:var(--sub);font-size:13px;margin:4px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;counter-reset:s}.step{position:relative;padding-top:40px}.step:before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:18px;left:24px;color:var(--kicker);font-weight:800;letter-spacing:2px;font-size:12px}.step p{color:var(--sub);margin:0;font-size:14px}

.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.plan{display:flex;flex-direction:column;gap:10px}.plan.hot{border-color:#4f8f87;box-shadow:0 0 0 1px #4f8f8755,0 20px 70px #0003}.plan .price{font-size:30px;font-weight:800;letter-spacing:-.5px}.plan .price small{font-size:13px;color:var(--muted);font-weight:500}.plan ul{margin:4px 0 8px;padding-left:18px;color:var(--sub);font-size:14px}.plan li{margin:4px 0}.plan .primary,.plan .ghost{margin-top:auto}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;color:#0b2324;background:var(--accent);border-radius:999px;padding:2px 9px;width:max-content}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:11px 14px;text-align:left;border-bottom:1px solid #1b2c37;white-space:nowrap}th{background:#13232d;color:#9fb5c0;font-weight:600}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}tr:last-child td{border-bottom:0}
.yes{color:var(--accent)}.no{color:#6c7f8c}

.faq details{border:1px solid var(--line);background:#0f1820;border-radius:12px;padding:14px 18px;margin:10px 0}.faq summary{cursor:pointer;font-weight:600;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(--sub);margin:10px 0 0}

.doc{max-width:860px;padding:48px 24px 72px}.doc h1{font-size:clamp(26px,3.4vw,36px)}.doc h2{font-size:20px;margin-top:34px}.doc p,.doc li{color:#c3d0da}.doc .updated{color:var(--muted);font-size:13px}.doc .placeholder{background:#35231e;color:#f8bb8d;border-radius:5px;padding:0 5px}
.notice{border:1px solid #87603d;background:#322519;color:#ffd19d;padding:12px 16px;border-radius:9px;margin:18px 0;font-size:14px}
.cta-band{padding:60px 0;text-align:center}.cta-band .lead{margin:0 auto 22px}
.breadcrumb{font-size:13px;color:var(--muted);padding-top:26px}.breadcrumb a{color:var(--muted);text-decoration:none}.breadcrumb a:hover{color:var(--text)}

.site-foot{padding:44px 0 30px;color:var(--muted);font-size:13px;background:var(--side);border-top:1px solid #1e2a36}.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:24px}.site-foot h4{color:#c9d7e2;font-size:13px;margin:0 0 10px}.site-foot a{display:block;color:var(--muted);text-decoration:none;margin:6px 0}.site-foot a:hover{color:var(--text)}.foot-legal{border-top:1px solid #1e2a36;margin-top:26px;padding-top:18px;display:flex;gap:18px;flex-wrap:wrap}
.foot-qr{width:96px;height:96px;border-radius:8px;background:#fff;object-fit:contain;margin-top:8px}
@media(max-width:1000px){.hero-grid{grid-template-columns:1fr}.hero-media{max-height:420px;aspect-ratio:16/10}.grid-5{grid-template-columns:repeat(3,minmax(0,1fr))}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.wrap{padding:0 16px}.menu-toggle{display:block}.site-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--side);border-bottom:1px solid #1e2a36;padding:10px 16px}.site-top.open .site-nav{display:flex}.top-cta .pill.gift{display:none}.grid-3,.grid-2,.plans{grid-template-columns:1fr}.grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:1fr}section.block{padding:52px 0}.hero{padding:44px 0 40px}.doc{padding:32px 16px 56px}th,td{padding:9px 10px}}
@media(max-width:420px){.grid-5{grid-template-columns:1fr}.top-cta .ghost{display:none}.brand small{display:none}}

.doc pre{background:#0d1a22;border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow-x:auto;font-size:13px;line-height:1.6;color:#d6e2ea}.doc code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}.doc :not(pre)>code,td code{background:#13232d;border-radius:5px;padding:1px 5px}.hero .updated{color:var(--muted);font-size:13px;margin-top:8px}