:root{--bg: #050812;--bg-deep: #02040a;--surface: rgba(11, 17, 32, .68);--surface-strong: rgba(15, 23, 42, .86);--line: rgba(148, 163, 184, .16);--line-strong: rgba(45, 212, 191, .28);--text: #e8eef5;--muted: #9aa6b7;--faint: #64748b;--accent: #2dd4bf;--accent-2: #8b5cf6;--gold: #f5c76a;--max: 1120px;--radius: 24px;--radius-sm: 16px;--shadow: 0 24px 90px rgba(0, 0, 0, .42)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100%;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:#02040a;color:var(--text);overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body:before,body:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:-1}body:before{background-image:radial-gradient(1px 1px at 10% 20%,rgba(255,255,255,.3) 50%,transparent 52%),radial-gradient(1.5px 1.5px at 68% 18%,rgba(255,255,255,.2) 50%,transparent 52%),radial-gradient(1px 1px 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li{padding:0;border:none;border-radius:0;color:#94a3b8e0;background:none;font-size:.78rem;letter-spacing:.02em}.project-points li+li:before{content:"·";margin-right:6px;color:#2dd4bf59}.project-orbit-bar{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;gap:22px;margin-top:22px}.project-orbit-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:none;border-radius:50%;color:#e8eef58c;background:#0f172a59;font-size:1.15rem;line-height:1;cursor:pointer;transition:color .25s ease,background .25s ease,box-shadow .35s ease,transform .2s ease}.project-orbit-btn:hover{color:var(--accent);background:#2dd4bf14;box-shadow:0 0 28px #2dd4bf1f}.project-orbit-btn:active{transform:scale(.94)}.project-orbit-dots{display:flex;align-items:center;gap:14px}.project-orbit-dot{width:7px;height:7px;padding:0;border:none;border-radius:50%;background:#94a3b838;cursor:pointer;transition:transform .45s 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22px;font-size:.86rem;line-height:1.65;color:#94a3b8e6;text-wrap:pretty}.km-modal__qr-stage{display:inline-block;padding:14px;border-radius:20px;background:linear-gradient(145deg,#2dd4bf1f,#8b5cf614);box-shadow:0 0 48px #2dd4bf1f,inset 0 0 0 1px #ffffff0f}.km-modal__qr-inner{padding:12px;border-radius:14px;background:#eef2f7;box-shadow:inset 0 1px 2px #0206170f}.km-modal__qr-inner canvas{display:block;width:100%;height:auto;vertical-align:top;border-radius:8px}.km-modal__hint{margin:18px 0 0;font-size:.78rem;line-height:1.65;color:#94a3b8bf;text-wrap:pretty}.site-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:28px 0 10px;border-top:1px solid rgba(255,255,255,.04);color:#94a3b880;font-size:.78rem;line-height:1.6}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--accent)}@media(max-width:860px){.nav-links a:not(.chat-link){display:none}.hero{padding-bottom:0}.hero-grid,.info-grid{grid-template-columns:1fr}.orbit-card{min-height:auto;margin-top:20px;display:flex;flex-direction:column;gap:16px}.orbit-card:before{transform:translate(-50%,-50%) scale(.85) rotate(-18deg) skew(8deg)}.orbit-card:after{transform:translate(-50%,-50%) scale(.85)}.signal{position:relative;width:100%}.signal-a,.signal-b,.signal-c{top:auto;left:auto;right:auto;bottom:auto}.section-head{display:block}.section-note{margin-top:12px}.timeline:before{left:.32rem}.timeline li{grid-template-columns:1fr;gap:10px;padding-left:28px}.timeline .node{left:0}.project-showcase{padding:26px 16px 22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover{transform:none}.project-cosmos:before{animation:none}.project-track{transition:none}.project-showcase.is-idle-glow .project-viewport,.km-modal__panel{animation:none}}