:root{--bg:#020617;--bg-alt:#020617;--bg-section:#020617;--bg-section-dark:#020617;--fg:#e5e7eb;--muted:#9ca3af;--accent:#38bdf8;--accent-soft:#38bdf81f;--accent-strong:#22d3ee;--card-bg:#0f172ae6;--border-subtle:#94a3b833;--radius-lg:18px;--radius-xl:28px;--shadow-soft:0 28px 80px #0f172ad9;--nav-height:68px;--font-cn:system-ui, -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif}*,:before,:after{box-sizing:border-box}body{font-family:var(--font-cn);color:var(--fg);-webkit-font-smoothing:antialiased;background:radial-gradient(circle at 0 0,#0f172a 0,#020617 55%,#000 100%);margin:0}.page{min-height:100vh;color:var(--fg)}.nav{z-index:20;height:var(--nav-height);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);background:linear-gradient(#0f172ae6,#0f172aa6,#0000);border-bottom:1px solid #94a3b838;justify-content:space-between;align-items:center;padding:0 6vw;display:flex;position:sticky;top:0}.nav-logo{letter-spacing:.08em;text-transform:uppercase;font-size:15px;font-weight:700}.nav-links{gap:24px;font-size:14px;display:flex}.nav-links a{color:var(--muted);padding-bottom:4px;text-decoration:none;transition:color .2s;position:relative}.nav-links a:after{content:"";background:linear-gradient(90deg, var(--accent), var(--accent-strong));width:0;height:2px;transition:width .25s;position:absolute;bottom:0;left:0}.nav-links a:hover{color:var(--fg)}.nav-links a:hover:after{width:100%}.hero{padding:calc(var(--nav-height) + 40px) 6vw 96px;min-height:70vh;position:relative;overflow:hidden}.hero-bg-orbit{opacity:.9;pointer-events:none;z-index:-2;background:radial-gradient(circle at 10% 0,#38bdf840,#0000 60%),radial-gradient(circle at 90% 10%,#38bdf82e,#0000 55%),radial-gradient(circle at 50% 120%,#0f172ae6,#020617 70%);position:absolute;inset:-200px -120px auto}.hero-bg-gradient{opacity:.22;filter:blur(38px);mix-blend-mode:screen;pointer-events:none;z-index:-1;background:conic-gradient(from 210deg,#38bdf880,#5eead433,#0000,#3b82f666,#38bdf899);border-radius:999px;position:absolute;inset:120px 10% auto}.hero-content{max-width:880px;position:relative}.hero-badges{flex-wrap:wrap;gap:10px;margin-bottom:18px;display:flex}.hero-badge{letter-spacing:.15em;text-transform:uppercase;color:#d1d5dbe6;background:radial-gradient(circle at top,#0f172acc,#0f172ae6);border:1px solid #94a3b88c;border-radius:999px;padding:4px 10px;font-size:11px}.hero-title{margin:0 0 14px;font-size:clamp(32px,4vw,44px);line-height:1.1}.hero-title-accent{background:linear-gradient(90deg, var(--accent), var(--accent-strong));color:#0000;-webkit-background-clip:text;font-size:.9em;font-weight:500;display:block}.hero-sub{max-width:640px;color:var(--muted);margin:0 0 26px;font-size:15px;line-height:1.7}.hero-cta{flex-wrap:wrap;gap:14px;display:flex}.btn-primary{color:#e5f2ff;background:radial-gradient(circle at 0 0,#0ea5e9,#0369a1);border:1px solid #38bdf8cc;border-radius:999px;justify-content:center;align-items:center;padding:10px 22px;font-size:14px;font-weight:500;text-decoration:none;transition:transform .16s,box-shadow .16s,background .16s;display:inline-flex;box-shadow:0 18px 40px #082f49e6}.btn-primary:hover{background:radial-gradient(circle at 0 0,#38bdf8,#0ea5e9);transform:translateY(-1px);box-shadow:0 22px 60px #082f49f2}.btn-ghost{color:var(--fg);background:radial-gradient(circle at top,#0f172ae6,#0f172af2);border:1px solid #94a3b899;border-radius:999px;justify-content:center;align-items:center;padding:10px 20px;font-size:14px;text-decoration:none;transition:border-color .16s,background .16s,color .16s;display:inline-flex}.btn-ghost:hover{background:radial-gradient(circle at top,#0f172a,#0f172afa);border-color:#94a3b8e6}.section{padding:64px 6vw 72px}.section-dark{background:radial-gradient(circle at top,#0f172a,#020617)}.section-header{max-width:840px;margin:0 auto 36px}.section-header h2{margin:0 0 8px;font-size:22px}.section-header p{color:var(--muted);margin:0;font-size:14px}.card-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:22px;display:grid}.card{background:var(--card-bg);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);box-shadow:var(--shadow-soft);padding:20px 20px 18px;position:relative;overflow:hidden}.card:before{content:"";opacity:.6;mix-blend-mode:soft-light;pointer-events:none;background:radial-gradient(circle at 0 0,#38bdf82e,#0000 55%);position:absolute;inset:-60%}.card h3{margin:0 0 10px;font-size:16px}.card p{color:var(--muted);margin:6px 0;font-size:14px}.card-note{color:#94a3b8e6;margin-top:10px;font-size:13px}.card.large{max-width:900px;margin:0 auto}.info-list{margin:4px 0 0;padding:0;font-size:14px;list-style:none}.info-list li{border-bottom:1px dashed #334155cc;justify-content:space-between;gap:12px;padding:6px 0;display:flex}.info-list li:last-child{border-bottom:none}.info-list span{color:var(--muted)}.info-list strong{font-weight:500}.scope-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:16px;display:grid}.scope-col h3{margin:0 0 8px;font-size:15px}.scope-col ul{color:var(--muted);margin:0;padding:0;font-size:14px;list-style:none}.scope-col li{padding:4px 0}.scope-note{color:#94a3b8d9;margin-top:20px;font-size:12px}.section-contact{padding-bottom:80px}.footer{color:#94a3b8e6;text-align:center;border-top:1px solid #1e40af99;flex-direction:column;align-items:center;gap:6px;padding:18px 6vw 24px;font-size:12px;display:flex}.footer-line{margin:0;line-height:1.5}.footer-extra{flex-direction:column;gap:4px;margin-top:6px;display:flex}.footer-icp{color:inherit;text-decoration:none}.footer-icp:hover{text-decoration:underline}@media (width<=900px){.nav{padding-inline:16px}.nav-links{display:none}.hero{padding:calc(var(--nav-height) + 24px) 16px 60px;min-height:auto}.hero-content{max-width:100%}.card-grid{grid-template-columns:minmax(0,1fr)}.section{padding-inline:16px}.scope-grid{grid-template-columns:minmax(0,1fr)}.footer{padding-inline:16px}}