:root{--warm-0:#fff;--warm-25:#fcfbf7;--warm-50:#f7f4ed;--warm-100:#eee8da;--warm-200:#e5decf;--warm-300:#d2c8b6;--warm-400:#a39a87;--warm-500:#837a6a;--warm-600:#635b4d;--warm-700:#463f33;--warm-800:#2d271e;--warm-900:#1d1810;--blue-50:#edf7fb;--blue-100:#d9edf5;--blue-200:#b9dceb;--blue-300:#86bfd6;--blue-400:#62a4c2;--blue-500:#4a8cb0;--blue-600:#36769d;--blue-700:#2f6687;--blue-800:#254e67;--green-50:#eff8ef;--green-100:#dff0dd;--green-300:#98c69d;--green-500:#6ba872;--green-600:#558d5d;--green-700:#3d6a46;--amber-50:#fff3e7;--amber-100:#f7dfc5;--amber-300:#e7b676;--amber-500:#d9974f;--amber-600:#b9783d;--amber-700:#8f5a2f;--gold-50:#faf3dc;--gold-100:#f0e0aa;--gold-400:#d8bf65;--gold-500:#cba94f;--gold-600:#9c7d31;--red-50:#f6e9e6;--red-500:#a8453a;--red-600:#8a3730;--green-status:var(--green-500);--amber-status:var(--amber-500);--surface-canvas:var(--warm-25);--surface-card:var(--warm-0);--surface-sunken:var(--warm-50);--surface-hover:var(--warm-100);--surface-inverse:var(--warm-900);--text-strong:var(--warm-900);--text-body:var(--warm-700);--text-secondary:var(--warm-600);--text-muted:#6c6353;--text-disabled:var(--warm-400);--text-on-accent:#fff;--text-link:var(--blue-700);--border-subtle:var(--warm-200);--border-default:var(--warm-300);--border-strong:var(--warm-400);--border-focus:var(--blue-600);--accent:var(--blue-600);--accent-hover:var(--blue-700);--accent-pressed:var(--blue-800);--accent-soft:var(--blue-50);--accent-soft-text:var(--blue-700);--entity-person:var(--blue-500);--entity-person-soft:var(--blue-50);--entity-person-text:var(--blue-700);--entity-company:var(--green-500);--entity-company-soft:var(--green-50);--entity-company-text:var(--green-700);--entity-event:var(--amber-500);--entity-event-soft:var(--amber-50);--entity-event-text:var(--amber-700);--entity-opportunity:var(--gold-500);--entity-opportunity-soft:var(--gold-50);--entity-opportunity-text:var(--gold-600);--entity-note:var(--warm-500);--entity-note-soft:var(--warm-100);--ring:0 0 0 2px var(--accent), 0 0 0 4px var(--blue-100);--graph-canvas-1:#fff;--graph-canvas-2:#f7f4ed;--graph-grid:#36769d16;--graph-link:#463f3380;--graph-link-warm:#d9974f8c;--font-display:"Source Serif 4", Georgia, "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "Times New Roman", serif;--font-sans:"Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "PingFang TC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;--fw-regular:400;--fw-medium:500;--fw-semibold:600;--fw-bold:700;--fw-extrabold:800;--text-display-xl:3rem;--text-display-lg:2.25rem;--text-display-md:1.75rem;--text-title-lg:1.375rem;--text-title-md:1.125rem;--text-body-lg:1rem;--text-body-md:.9375rem;--text-body-sm:.8125rem;--text-label:.75rem;--text-micro:.6875rem;--leading-tight:1.12;--leading-snug:1.3;--leading-normal:1.5;--leading-relaxed:1.62;--tracking-tight:0;--tracking-snug:0;--tracking-normal:0;--tracking-wide:.04em;--tracking-eyebrow:.12em;--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--space-20:80px;--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:20px;--radius-2xl:28px;--radius-pill:999px;--control-sm:32px;--control-md:40px;--control-lg:48px;--rail-width:268px;--detail-width:372px;--container-max:1280px;--bp-sm:480px;--bp-md:768px;--bp-lg:1024px;--bp-xl:1280px;--touch-target-min:44px;--bottom-nav-height:56px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);--shadow-xs:0 1px 2px #2d261a0d;--shadow-sm:0 1px 2px #2d261a0f, 0 1px 1px #2d261a0a;--shadow-md:0 4px 12px #2d261a14, 0 1px 2px #2d261a0d;--shadow-lg:0 12px 28px #2d261a1a, 0 2px 6px #2d261a0f;--shadow-xl:0 24px 56px #2d261a24, 0 6px 14px #2d261a12;--shadow-focus:0 0 0 3px var(--blue-100);--glow-person:0 0 0 6px #4a8cb024;--glow-company:0 0 0 6px #6ba87226;--glow-event:0 0 0 6px #d9974f29;--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1);--duration-fast:.12s;--duration-base:.2s;--duration-slow:.32s;--blur-panel:14px;--maxw:1200px;--rule:1px solid var(--border-subtle);--lightningcss-light:initial;--lightningcss-dark: ;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text-body);background:var(--surface-canvas);font-family:var(--font-sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}:root:lang(zh-Hans),:root:lang(zh-Hant){--tracking-tight:0}*{box-sizing:border-box}html{background:var(--surface-canvas);scroll-behavior:smooth}body{min-width:320px;min-height:100dvh;color:var(--text-body);background:radial-gradient(1200px 600px at 88% -12%, #36769d1a, transparent 58%), radial-gradient(900px 520px at 4% 6%, #cba94f0f, transparent 60%), linear-gradient(180deg, #fff 0%, var(--surface-canvas) 38%, var(--surface-canvas) 100%);margin:0}h1,h2,h3,p{margin-top:0}a{color:var(--text-link);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea{font:inherit}button{cursor:pointer}:focus-visible{box-shadow:var(--ring);border-radius:var(--radius-xs);outline:0}.skip-link{z-index:200;background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--radius-md);box-shadow:var(--shadow-md);transition:top var(--duration-base) var(--ease-out);padding:10px 14px;position:absolute;top:-60px;left:12px}.skip-link:focus{text-decoration:none;top:12px}.lp-container{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:32px}.eyebrow{color:var(--text-muted);font-family:var(--font-mono);font-size:.6875rem;font-weight:var(--fw-semibold);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;align-items:center;gap:10px;margin:0 0 18px;display:inline-flex}.eyebrow:before{content:"";background:var(--accent);opacity:.55;width:26px;height:1px}.eyebrow.is-centered{justify-content:center}.section-title{color:var(--text-strong);font-family:var(--font-display);font-weight:var(--fw-bold);letter-spacing:var(--tracking-tight);text-wrap:balance;margin:0;font-size:clamp(1.95rem,1.15rem + 3.1vw,3.05rem);line-height:1.04}.section-lead{max-width:54ch;color:var(--text-secondary);margin:20px 0 0;font-size:clamp(1.04rem,.98rem + .4vw,1.2rem);line-height:1.55}.section-head{max-width:720px}.section-head.is-centered{text-align:center;margin-inline:auto}.section-head.is-centered .section-lead{margin-inline:auto}section.band{padding-block:clamp(80px,9vw,132px);position:relative}.band-sunken{background:linear-gradient(180deg, var(--surface-sunken), #eeeae1);border-block:var(--rule)}.btn{min-height:var(--control-lg);border-radius:var(--radius-pill);font-size:.9375rem;font-weight:var(--fw-semibold);letter-spacing:var(--tracking-snug);transition:background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);border:1px solid #0000;justify-content:center;align-items:center;gap:9px;padding:0 22px;line-height:1;display:inline-flex}.btn svg{flex:none;width:18px;height:18px}.btn:hover{text-decoration:none;transform:translateY(-1.5px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--accent);color:var(--text-on-accent);border-color:var(--accent-pressed);box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 10px 26px -10px color-mix(in srgb, var(--accent) 65%, transparent)}.btn-ghost{background:var(--surface-card);color:var(--text-strong);border-color:var(--border-default);box-shadow:var(--shadow-xs)}.btn-ghost:hover{background:var(--surface-sunken);border-color:var(--border-strong)}.btn-sm{min-height:var(--control-md);padding:0 16px;font-size:.875rem}.lp-nav{z-index:80;-webkit-backdrop-filter:blur(16px)saturate(150%);backdrop-filter:blur(16px)saturate(150%);transition:border-color var(--duration-base) var(--ease-out), background var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);background:#faf8f3b3;border-bottom:1px solid #0000;position:sticky;top:0}.lp-nav.is-stuck{border-bottom-color:var(--border-subtle);box-shadow:var(--shadow-sm);background:#faf8f3d9}.lp-nav-inner{align-items:center;gap:18px;min-height:72px;display:flex}.brand-lockup{align-items:center;gap:12px;display:flex}.brand-mark{border:1px solid var(--border-default);width:40px;height:40px;box-shadow:var(--shadow-xs);background:#fff;border-radius:11px;flex:none;place-items:center;padding:4px;display:grid}.brand-mark svg{width:100%;height:100%}.brand-copy strong{color:var(--text-strong);font-family:var(--font-display);font-size:1.3rem;font-weight:var(--fw-bold);letter-spacing:var(--tracking-tight);line-height:1.05;display:block}.brand-copy span{color:var(--text-muted);font-family:var(--font-mono);font-size:.625rem;font-weight:var(--fw-semibold);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;display:block}.nav-links{align-items:center;gap:2px;margin-left:14px;display:flex}.nav-links a{color:var(--text-secondary);font-size:.9375rem;font-weight:var(--fw-semibold);border-radius:var(--radius-pill);padding:8px 13px}.nav-links a:hover{color:var(--text-strong);background:var(--surface-hover);text-decoration:none}.nav-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.nav-actions .signin{color:var(--text-strong);font-size:.9375rem;font-weight:var(--fw-semibold);padding:8px 6px}.nav-actions .signin:hover{color:var(--accent);text-decoration:none}.lang-switch{border:1px solid var(--border-default);border-radius:var(--radius-pill);background:var(--surface-card);box-shadow:var(--shadow-xs);flex:none;align-items:center;gap:1px;padding:2px;display:inline-flex}.lang-switch button{border-radius:var(--radius-pill);min-height:28px;color:var(--text-secondary);font-family:var(--font-mono);font-size:.68rem;font-weight:var(--fw-semibold);letter-spacing:var(--tracking-snug);transition:background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);background:0 0;border:0;padding:0 10px}.lang-switch button.is-on{background:var(--accent-soft);color:var(--accent-soft-text)}.lang-switch button:hover:not(.is-on){color:var(--text-strong)}.nav-toggle{display:none}.hero{padding-block:clamp(40px,5vw,72px) clamp(48px,6vw,84px);position:relative}.hero-grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:center;gap:clamp(28px,4vw,60px);display:grid}.hero-copy{max-width:620px}.hero h1{color:var(--text-strong);font-family:var(--font-display);font-weight:var(--fw-bold);letter-spacing:var(--tracking-tight);text-wrap:balance;margin:0;font-size:clamp(2.35rem,1.2rem + 4.8vw,4.3rem);line-height:1.02}.hero h1 .accentual{color:var(--accent);font-style:italic}.hero-sub{max-width:50ch;color:var(--text-secondary);margin:24px 0 0;font-size:clamp(1.06rem,1rem + .5vw,1.24rem);line-height:1.55}.hero-cta{flex-wrap:wrap;gap:12px;margin-top:32px;display:flex}.hero-stage{aspect-ratio:1/.9;border-radius:var(--radius-2xl);border:1px solid var(--border-subtle);background:radial-gradient(420px 360px at 38% 36%, #4a8cb01a, transparent 70%), linear-gradient(165deg, var(--graph-canvas-1), var(--graph-canvas-2));box-shadow:0 36px 80px -40px #2d271e6b, var(--shadow-md);position:relative;overflow:hidden}.hero-stage:before{content:"";background-image:radial-gradient(var(--graph-grid) 1px, transparent 1.5px);opacity:.6;background-size:30px 30px;position:absolute;inset:0}.hero-graph{will-change:transform;position:absolute;inset:0}.hero-links{width:100%;height:100%;position:absolute;inset:0;overflow:visible}.hero-links line{stroke:var(--graph-link);stroke-width:1.1px;vector-effect:non-scaling-stroke;stroke-linecap:round;transition:opacity var(--duration-base) var(--ease-out), stroke var(--duration-base) var(--ease-out), stroke-width var(--duration-base) var(--ease-out);animation:6s ease-in-out infinite linkBreathe}.hero-links line:nth-child(2n){animation-delay:-2s}.hero-links line:nth-child(3n){animation-delay:-4s}@keyframes linkBreathe{0%,to{opacity:.42}50%{opacity:.8}}.node{border-radius:var(--radius-pill);border:1px solid var(--border-subtle);box-shadow:var(--shadow-sm);color:var(--text-strong);font-family:var(--font-sans);font-size:.78rem;font-weight:var(--fw-semibold);letter-spacing:var(--tracking-snug);white-space:nowrap;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);cursor:pointer;animation:nodeIn .6s var(--ease-out) backwards;transition:box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), opacity var(--duration-base) var(--ease-out), filter var(--duration-base) var(--ease-out);background:#fffffff0;align-items:center;gap:7px;padding:6px 11px 6px 9px;display:inline-flex;position:absolute;transform:translate(-50%,-50%)}.node:hover,.node:focus-visible{box-shadow:var(--shadow-md)}.node .dot{background:var(--n);width:9px;height:9px;box-shadow:0 0 0 3px color-mix(in srgb, var(--n) 18%, transparent);border-radius:50%;flex:none}@keyframes nodeIn{0%{opacity:0;transform:translate(-50%,calc(10px - 50%))}}.node-hub{border-radius:var(--radius-lg);background:var(--surface-card);box-shadow:var(--shadow-lg);border-color:var(--border-default);flex-direction:column;gap:6px;padding:14px 16px 12px}.node-hub .avatar{background:var(--entity-person);width:52px;height:52px;color:var(--text-strong);font-size:1.1rem;font-weight:var(--fw-bold);letter-spacing:var(--tracking-snug);border-radius:50%;place-items:center;animation:4.5s ease-in-out infinite hubPulse;display:grid;box-shadow:0 0 0 6px #4a8cb024}@keyframes hubPulse{0%,to{box-shadow:0 0 0 6px #4a8cb024}50%{box-shadow:0 0 0 11px #4a8cb00e}}.node-hub .hub-name{color:var(--text-strong);font-size:.86rem;font-weight:var(--fw-bold)}.node-hub .hub-role{color:var(--text-muted);font-family:var(--font-mono);letter-spacing:var(--tracking-wide);text-transform:uppercase;font-size:.6rem}.is-person{--n:var(--entity-person)}.is-company{--n:var(--entity-company)}.is-event{--n:var(--entity-event)}.is-opportunity{--n:var(--entity-opportunity)}.is-note{--n:var(--entity-note)}.node.is-opportunity{border-color:color-mix(in srgb, var(--entity-opportunity) 38%, var(--border-subtle));background:color-mix(in srgb, var(--entity-opportunity-soft) 70%, #fff)}.node.is-dim{opacity:.34;filter:grayscale(.45)}.node.is-adj{box-shadow:var(--shadow-md)}.node.is-active{box-shadow:var(--shadow-lg);z-index:6;transform:translate(-50%,-50%)scale(1.07)}.node-hub.is-active{transform:translate(-50%,-50%)scale(1.04)}.hero-graph.has-selection .hero-links line{opacity:.1;animation:none}.hero-links line.is-lit{stroke:var(--accent);stroke-width:1.8px;opacity:.95!important}.graph-hint{z-index:6;border-radius:var(--radius-pill);border:1px solid var(--border-subtle);color:var(--text-muted);font-family:var(--font-mono);letter-spacing:var(--tracking-snug);box-shadow:var(--shadow-xs);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:opacity var(--duration-slow) var(--ease-out);background:#ffffffd6;align-items:center;gap:7px;padding:6px 11px;font-size:.62rem;display:inline-flex;position:absolute;top:14px;left:14px}.graph-hint .pip{background:var(--accent);border-radius:50%;width:6px;height:6px;animation:1.8s ease-in-out infinite pipPulse}@keyframes pipPulse{0%,to{opacity:.4}50%{opacity:1}}.hero-stage.touched .graph-hint{opacity:0;pointer-events:none}.hero-contract{z-index:6;border-radius:var(--radius-md);border:1px solid var(--border-subtle);color:var(--text-secondary);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-family:var(--font-mono);letter-spacing:var(--tracking-snug);background:#ffffffd6;align-items:center;gap:9px;padding:8px 12px;font-size:.68rem;display:inline-flex;position:absolute;bottom:16px;left:16px}.hero-contract .live{background:var(--green-500);border-radius:50%;flex:none;width:7px;height:7px;box-shadow:0 0 0 3px #6ba87233}.proof,.logos{border-top:var(--rule);gap:22px;margin-top:clamp(40px,5vw,68px);padding-top:28px;display:grid}.logos{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 30px;display:flex}.hero-trust{color:var(--text-muted);font-family:var(--font-mono);font-size:.6875rem;font-weight:var(--fw-medium);letter-spacing:var(--tracking-wide);text-transform:uppercase;flex-wrap:wrap;align-items:center;gap:8px 22px;display:flex}.hero-trust span{align-items:center;gap:7px;display:inline-flex}.hero-trust .tick{background:var(--green-500);border-radius:50%;flex:none;width:6px;height:6px}.logos .label{text-align:center;width:100%;color:var(--text-muted);font-family:var(--font-mono);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;font-size:.66rem}.logos .logo{color:var(--text-secondary);font-family:var(--font-display);font-weight:var(--fw-bold);letter-spacing:var(--tracking-snug);opacity:.78;font-size:1.04rem}.audience{flex-wrap:wrap;align-items:baseline;gap:14px 26px;display:flex}.audience .label{color:var(--text-muted);font-family:var(--font-mono);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;flex:220px;font-size:.66rem}.audience .roles{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.audience .role{color:var(--text-secondary);font-family:var(--font-display);font-weight:var(--fw-bold);letter-spacing:var(--tracking-snug);align-items:center;gap:8px;font-size:1.04rem;display:inline-flex}.audience .role:before{content:"";background:var(--rc,var(--accent));opacity:.8;border-radius:50%;flex:none;width:7px;height:7px}.audience .role:first-child{--rc:var(--entity-person)}.audience .role:nth-child(2){--rc:var(--entity-company)}.audience .role:nth-child(3){--rc:var(--entity-event)}.audience .role:nth-child(4){--rc:var(--entity-opportunity)}.audience .role:nth-child(5){--rc:var(--blue-700)}.how-layout{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);align-items:start;gap:clamp(32px,5vw,80px);display:grid}.how-intro{position:sticky;top:104px}.how-flow{gap:clamp(28px,4vw,44px);display:grid}.flow-step{grid-template-columns:44px minmax(0,1fr);gap:20px;display:grid;position:relative}.flow-step:before{content:"";background:linear-gradient(180deg, var(--mc), color-mix(in srgb, var(--mc) 30%, 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