:root{--bg:#fff;--bg-alt:#f5f7fb;--ink:#15203a;--ink-soft:#56607a;--line:#e6e8f0;--brand:#2d4a8a;--brand-strong:#1f3a72;--accent:#4c7cf3;--accent-2:#6aa6ff;--dark:#131a2e;--dark-soft:#1c2742;--radius:16px;--container:1140px;--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.6}a{color:inherit;text-decoration:none}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}.grad-text{background:linear-gradient(100deg, var(--brand) 0%, var(--accent) 60%, var(--accent-2) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.reveal{opacity:0;will-change:opacity, transform;transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1);transform:translateY(22px)}.reveal.is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transition:none;transform:none}}.btn{cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-size:15px;font-weight:600;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;display:inline-flex}.btn-sm{padding:9px 18px;font-size:14px}.btn-lg{padding:15px 32px;font-size:16px}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px #2d4a8a2e}.btn-primary:hover{background:var(--brand-strong);transform:translateY(-2px);box-shadow:0 14px 30px #2d4a8a47}.btn-ghost{color:var(--brand);border-color:var(--line);background:0 0}.btn-ghost:hover{border-color:var(--brand);background:#2d4a8a0a;transform:translateY(-2px)}.site-header{z-index:50;-webkit-backdrop-filter:saturate(180%)blur(14px);backdrop-filter:saturate(180%)blur(14px);border-bottom:1px solid var(--line);background:#fffc;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:68px;display:flex}.brand{align-items:baseline;gap:10px;display:flex}.brand-mark{letter-spacing:-.02em;color:var(--ink);font-size:22px;font-weight:800}.brand-accent{color:var(--accent)}.brand-cn{color:var(--ink-soft);font-size:14px;font-weight:500}.nav{color:var(--ink-soft);gap:28px;font-size:15px;display:flex}.nav a{transition:color .15s;position:relative}.nav a:after{content:"";background:var(--accent);width:0;height:2px;transition:width .22s;position:absolute;bottom:-6px;left:0}.nav a:hover{color:var(--ink)}.nav a:hover:after{width:100%}.hero{padding:128px 0 104px;position:relative;overflow:hidden}.hero-bg{z-index:0;pointer-events:none;position:absolute;inset:0}.orb{filter:blur(48px);opacity:.55;border-radius:50%;animation:16s ease-in-out infinite float;position:absolute}.orb-1{background:radial-gradient(circle,#4c7cf373,#0000 70%);width:460px;height:460px;top:-120px;right:-60px}.orb-2{background:radial-gradient(circle,#2d4a8a52,#0000 70%);width:380px;height:380px;animation-delay:-5s;top:60px;left:-100px}.orb-3{background:radial-gradient(circle,#6aa6ff4d,#0000 70%);width:300px;height:300px;animation-delay:-9s;bottom:-80px;left:45%}.grid-overlay{background-image:linear-gradient(90deg,#15203a0b 1px,#0000 1px),linear-gradient(#15203a0b 1px,#0000 1px);background-size:56px 56px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,#0000 78%);mask-image:radial-gradient(circle at 50% 30%,#000 0%,#0000 78%)}@keyframes float{0%,to{transform:translate(0)scale(1)}50%{transform:translate(20px,-28px)scale(1.06)}}.hero-inner{z-index:1;max-width:860px;position:relative}.eyebrow{color:var(--brand);letter-spacing:.02em;background:#2d4a8a14;border-radius:999px;margin:0 0 22px;padding:7px 15px;font-size:13px;font-weight:600;display:inline-block}.hero-title{letter-spacing:-.02em;color:var(--ink);margin:0 0 24px;font-size:clamp(36px,5.4vw,60px);font-weight:800;line-height:1.16}.hero-sub{color:var(--ink-soft);max-width:700px;margin:0 0 36px;font-size:clamp(16px,2vw,19px)}.hero-actions{flex-wrap:wrap;gap:14px;margin-bottom:56px;display:flex}.hero-stats{border-top:1px solid var(--line);flex-wrap:wrap;gap:48px;padding-top:32px;display:flex}.hero-stat{flex-direction:column;gap:4px;display:flex}.hero-stat-value{letter-spacing:-.02em;color:var(--brand);font-size:30px;font-weight:800}.hero-stat-label{color:var(--ink-soft);font-size:14px}.section{padding:96px 0}.section-alt{background:var(--bg-alt)}.section-dark{background:radial-gradient(700px 300px at 85% 10%, #4c7cf338, transparent 60%), var(--dark);color:#eef2fb}.section-eyebrow{color:var(--brand);letter-spacing:.04em;margin:0 0 12px;font-size:14px;font-weight:700}.section-title{letter-spacing:-.01em;margin:0 0 18px;font-size:clamp(26px,3.4vw,38px);font-weight:800}.section-lead{max-width:740px;color:var(--ink-soft);margin:0 0 52px;font-size:17px}.on-dark{color:#eef2fb!important}.section-dark .section-eyebrow.on-dark{color:var(--accent-2)}.section-dark .section-lead.on-dark{color:#b8c2da}.cards{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;transition:transform .2s,box-shadow .2s,border-color .2s}.card:hover{border-color:#2d4a8a4d;transform:translateY(-5px);box-shadow:0 18px 40px #15203a1a}.card-icon{width:50px;height:50px;color:var(--brand);background:linear-gradient(140deg,#4c7cf31f,#2d4a8a0f);border:1px solid #2d4a8a1a;border-radius:14px;justify-content:center;align-items:center;margin-bottom:18px;transition:color .2s,background .2s,transform .2s;display:inline-flex}.card:hover .card-icon{color:#fff;background:linear-gradient(140deg, var(--accent), var(--brand));transform:translateY(-2px)}.card-title{margin:0 0 10px;font-size:18px;font-weight:700}.card-desc{color:var(--ink-soft);margin:0;font-size:15px}.scenarios{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.scenario{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}.scenario:before{content:"";background:linear-gradient(var(--accent), var(--brand));transform-origin:top;width:3px;height:100%;transition:transform 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var(--accent));border-radius:16px;flex:none;justify-content:center;align-items:center;display:flex;box-shadow:0 10px 22px #2d4a8a42}.agent-id{flex-direction:column;gap:2px;display:flex}.agent-name{letter-spacing:-.01em;color:var(--ink);font-size:19px;font-weight:800}.agent-role{color:var(--ink-soft);font-size:14px}.agent-quote{color:var(--ink-soft);margin:0;font-size:15px}.agent-tags{flex-wrap:wrap;gap:8px;display:flex}.agent-tag{color:var(--brand);background:#2d4a8a12;border-radius:999px;padding:5px 12px;font-size:13px}.timeline{grid-template-columns:repeat(2,1fr);gap:18px 40px;margin:0;padding:0;list-style:none;display:grid}.timeline-item{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);align-items:flex-start;gap:18px;padding:20px 22px;transition:transform .2s,box-shadow .2s;display:flex}.timeline-item:hover{transform:translate(4px);box-shadow:0 12px 28px #15203a12}.timeline-step{width:40px;height:40px;color:var(--brand);background:#2d4a8a14;border-radius:11px;flex:none;justify-content:center;align-items:center;font-size:15px;font-weight:800;display:flex}.timeline-title{margin:2px 0 6px;font-size:17px;font-weight:700}.timeline-desc{color:var(--ink-soft);margin:0;font-size:14.5px}.layers{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.layer{border-radius:var(--radius);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff0a;border:1px solid #ffffff1a;flex-direction:column;gap:12px;padding:30px 28px;transition:transform .2s,background .2s;display:flex;position:relative}.layer:hover{background:#ffffff12;transform:translateY(-4px)}.layer-num{width:36px;height:36px;color:var(--dark);background:linear-gradient(145deg, var(--accent-2), var(--accent));border-radius:50%;justify-content:center;align-items:center;font-weight:800;display:flex}.layer-label{color:#fff;font-size:20px;font-weight:800}.layer-desc{color:#b8c2da;font-size:15px}.reasons{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}.reason{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);gap:16px;padding:26px 24px;transition:transform .2s,box-shadow .2s;display:flex}.reason:hover{transform:translateY(-4px);box-shadow:0 14px 32px #15203a14}.reason-check{color:#fff;background:linear-gradient(145deg, var(--brand), var(--accent));border-radius:50%;flex:none;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;font-weight:800;display:flex}.reason-title{margin:2px 0 8px;font-size:18px;font-weight:700}.reason-desc{color:var(--ink-soft);margin:0;font-size:15px}.cta{text-align:center}.cta-inner{max-width:660px}.cta-title{margin:0 0 14px;font-size:clamp(28px,3.6vw,40px);font-weight:800}.cta-lead{color:var(--ink-soft);margin:0 0 28px;font-size:17px}.cta-mail{color:var(--ink-soft);margin:18px 0 0;font-size:14px}.site-footer{border-top:1px solid var(--line);background:var(--bg-alt);padding:48px 0}.footer-inner{flex-wrap:wrap;justify-content:space-between;gap:24px;display:flex}.footer-brand{flex-direction:column;gap:8px;display:flex}.footer-tagline{color:var(--ink-soft);font-size:14px}.footer-meta{text-align:right;color:var(--ink-soft);font-size:14px}.footer-meta p{margin:4px 0}.footer-meta a:hover{color:var(--ink)}.footer-copy{font-size:13px;margin-top:12px!important}@media (width<=960px){.cards{grid-template-columns:repeat(2,1fr)}.scenarios,.agents,.layers{grid-template-columns:1fr 1fr}.timeline,.reasons{grid-template-columns:1fr}}@media (width<=640px){.nav{display:none}.hero{padding:88px 0 72px}.hero-stats{gap:28px}.section{padding:68px 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