:root{--bg: #0b1020;--bg-alt: #0e1428;--card: #111a33;--card-2: #0f1830;--text: #eaf2ff;--muted: #c2cbe0cc;--brand: #5aa8ff;--brand-2: #8b6cff;--line: #22304f;--shadow: 0 10px 30px rgba(0, 0, 0, .35);--radius: 16px}*{box-sizing:border-box}html,body{padding:0;margin:0;background:radial-gradient(1000px 600px at 70% -10%,#1a2456 0%,var(--bg) 60%) fixed;color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,Arial,sans-serif}.container{width:min(1200px,92vw);margin:0 auto}.section{padding:80px 0}.section.alt{background:linear-gradient(180deg,#ffffff05,#ffffff08)}.section-title{font-size:28px;font-weight:800;letter-spacing:.4px;margin:0 0 12px}.section-desc{margin:0 0 28px;color:var(--muted)}.site-header{position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#070c1c99;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}.brand{display:flex;align-items:baseline;gap:8px;font-weight:800}.logo{font-size:20px}.divider{opacity:.5}.sub-brand{font-size:14px;color:var(--muted)}.nav{display:flex;gap:20px;align-items:center}.nav a{color:var(--text);text-decoration:none;opacity:.85}.nav a:hover{opacity:1;text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 16px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .06s ease,opacity .2s ease,background .2s ease,border-color .2s ease;font-weight:700}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow)}.btn-ghost{background:transparent;border-color:#2b3a63;color:var(--text);opacity:.9}.btn-lg{height:48px;padding:0 22px;font-size:16px}.hero{padding:96px 0 56px;background:radial-gradient(800px 500px at 20% -10%,#6093ff40,#0000 70%),radial-gradient(700px 400px at 90% 0%,#9b74ff40,#0000 70%);border-bottom:1px solid var(--line)}.hero-inner{text-align:left}.eyebrow{color:var(--brand);font-weight:800;letter-spacing:1.2px;margin-bottom:10px;text-transform:uppercase;font-size:14px}.hero-title{font-size:52px;line-height:1.15;margin:0 0 16px;font-weight:900;letter-spacing:.2px}.hero-sub{color:var(--muted);max-width:880px;margin-bottom:18px;font-size:18px}.b{color:#fff;font-weight:800}.trust-strip{display:inline-flex;align-items:center;gap:10px;background:#ffffff0a;border:1px solid #2b3a63;padding:10px 14px;border-radius:999px;margin:18px 0 24px}.trust-item{white-space:nowrap}.dot{opacity:.45}.hero-cta{display:flex;gap:12px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.card{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid #213056;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);min-height:170px}.card-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.card-emoji{font-size:22px}.card-title{font-size:18px;margin:0}.card-text{color:var(--muted);margin:0}.scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:14px}.scenario{background:linear-gradient(180deg,#0f1631,#0f1736);border:1px solid #22325f;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.scenario-title{margin:0 0 8px;font-size:18px}.scenario-text{margin:0;color:var(--muted)}.scenario-cta{margin-top:24px}.bullets{margin:10px 0 0;padding-left:18px;color:var(--muted)}.bullets li{margin:8px 0}.cta-bottom{border-top:1px solid var(--line)}.cta-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.cta-title{margin:0 0 6px;font-size:24px}.cta-sub{margin:0;color:var(--muted)}.footer{border-top:1px solid var(--line);padding:18px 0;text-align:center;font-size:14px;color:var(--muted)}.icp-link{color:var(--muted);margin-left:6px;text-decoration:none}.icp-link:hover{text-decoration:underline}dialog.dialog{border:1px solid #2b3a63;border-radius:14px;padding:0;background:#0f1732;color:var(--text);box-shadow:var(--shadow);max-width:560px;width:calc(100% - 40px)}.dialog-content{padding:20px}.dialog-steps{margin:10px 0 0;color:var(--muted)}.dialog-note{margin:14px 0 0;color:var(--muted)}.dialog-close{position:absolute;right:10px;top:6px;width:36px;height:36px;border-radius:8px;border:1px solid #2b3a63;background:transparent;color:var(--text);cursor:pointer}@media (max-width: 1080px){.cards,.scenarios{grid-template-columns:repeat(2,1fr)}.hero-title{font-size:44px}}@media (max-width: 720px){.cards,.scenarios{grid-template-columns:1fr}.nav{gap:12px}.hero-title{font-size:34px}}