:root{--bg:#000;--surface:#0b101c;--raise:#131b2b;--ink:#ededef;--soft:#cbd3e2;--muted:#a0abbd;--rule:#d3def417;--panel:#000;--panel-2:#0a0f1a;--chalk:#e2e8f0;--device-line:#475569;--indigo:#5e6ad2;--ambient-blue:#649fe7;--ease-out:cubic-bezier(.16,1,.3,1);--surface-shadow:inset 0 1px 0 #ffffff0b,0 0 0 1px #ffffff05,0 24px 70px -36px #000c;--panel-line:#94a3b824;--panel-line-2:#94a3b852;--chalk-soft:#e2e8f0a8;--accent:#93c9ee;--accent-ink:#a8d8f6;--on-accent:#020617;--lamp:#22d3ee;--lamp-2:#06b6d4;--grad:linear-gradient(120deg,#d5dce6 0%,#7dd3fc 100%);--shadow:#000000b3;--f-display:"PingFang SC","PingFang TC",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;--f-body:var(--f-display);--f-mono:var(--f-display);--wrap:1180px;--radius-card:24px;--radius-button:999px;--radius-control:20px;--z-sticky:20;--lightningcss-light: 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(width<=600px){.app-device{border-radius:clamp(34px,11vw,50px);width:376px}.device-screen{border-radius:clamp(28px,9vw,42px)}}main{isolation:isolate;background:var(--bg);position:relative}main>section{background-color:var(--bg)}main>.section-glow{background-image:radial-gradient(circle closest-side,#0b203b 0%,#07182d 26%,#030c18 50%,#010409 66%,#000 84%)}#progress.section-glow{background-image:radial-gradient(circle closest-side,#091a30 0%,#050f1e 35%,#010409 64%,#000 84%)}.foot{background:var(--bg)}.menu-toggle{border:1px solid var(--rule);color:var(--ink);cursor:pointer;background:#ffffff06;border-radius:50%;flex:none;place-items:center;width:44px;height:44px;display:none}.menu-toggle svg{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linecap:round;width:20px;height:20px}.mobile-nav{border-radius:var(--radius-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--surface-shadow);z-index:var(--z-sticky);background:#070a15f7;border:1px solid #d3def41f;flex-direction:column;padding:12px;display:flex;position:absolute;top:100%;left:12px;right:12px}.mobile-nav a{border-radius:16px;padding:14px 16px;font-size:.9375rem;text-decoration:none}.mobile-nav a:hover{background:#ffffff0d}@media (width<=900px){.menu-toggle{display:grid}.head-cta{display:none!important}.site-head .wrap{gap:12px}}@media (width<=760px){.wrap{padding-inline:20px}}@media (prefers-reduced-motion:reduce){.btn:after{transition:none;display:none}.btn:active{transform:none}}:root{--text-caption:.8125rem;--text-small:.9375rem;--text-body:1.0625rem;--text-lead:1.125rem;--text-subtitle:1.5rem;--space-xs:8px;--space-sm:16px;--space-md:24px;--space-lg:32px;--space-xl:48px;--space-section:clamp(72px,7.5vw,112px);--wrap:1248px;--ink:#edf1f6;--soft:#cad4e1;--muted:#9eacc0}body{font-size:var(--text-body);line-height:1.75}:root[data-lang=zh] body{line-height:1.8}.site-head .wrap{gap:24px;height:72px}.nav a{font-size:var(--text-small)}.brand-mark{width:32px;height:32px}.brand-name{letter-spacing:-.02em;font-size:1.25rem;font-weight:600}.sec{padding-block:var(--space-section);border-top:1px solid var(--rule)}.split{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:start;gap:64px;display:grid}h1,h2,h3{font-family:var(--f-display);text-wrap:balance}h1{letter-spacing:-.025em;margin:0;font-size:clamp(2.625rem,4.25vw,3.5rem);font-weight:600;line-height:1.12}:root[data-lang=zh] h1{letter-spacing:-.025em;font-size:clamp(2.75rem,4.65vw,4rem);line-height:1.16}h2{letter-spacing:-.025em;margin:0 0 24px;font-size:clamp(2.25rem,3.35vw,3rem);font-weight:600;line-height:1.16}:root[data-lang=zh] h2{letter-spacing:-.02em;font-size:clamp(2.125rem,3.25vw,2.875rem);line-height:1.24}h3{font-size:var(--text-subtitle);letter-spacing:-.015em;margin:0 0 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canvas{aspect-ratio:1000/734;width:100%;display:block}.analysis-view-head{z-index:1;font-size:var(--text-caption);color:var(--muted);justify-content:space-between;align-items:center;gap:16px;display:flex;position:absolute;inset:16px 16px auto}.analysis-state{color:var(--accent-ink);background:#0b1626;border:1px solid #93c9ee2e;border-radius:999px;flex:none;padding:6px 12px}.view-watermark{letter-spacing:.06em;color:#7592ab;font-size:.625rem;position:absolute;bottom:12px;left:16px}.event-switch{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:16px 0 0;display:grid}.event-switch button{border:1px solid var(--rule);min-width:0;min-height:80px;color:var(--muted);text-align:left;font-size:var(--text-caption);cursor:pointer;background:0 0;border-radius:16px;flex-direction:column;align-items:flex-start;gap:8px;padding:12px;line-height:1.4;transition:background .2s,color .2s,border-color .2s;display:flex}.event-switch 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var(--rule);grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px 0 0;display:grid}.secondary-metrics>div{min-width:0}.metric-label{font-size:var(--text-caption);color:var(--soft);line-height:1.5;display:block}.secondary-metrics strong{white-space:nowrap;font-variant-numeric:tabular-nums;margin-top:8px;font-size:1.625rem;font-weight:500;line-height:1.3;display:block}.secondary-metrics strong small{color:var(--muted);margin-left:4px;font-size:.75rem;font-weight:400}.metric-source{color:var(--muted);margin-top:6px;font-size:.75rem;display:block}.analysis-footer{border-top:1px solid var(--rule);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;margin-top:32px;padding-top:24px;display:grid}.metric-explanation{font-size:var(--text-caption);color:var(--muted);max-width:62ch;margin:0;line-height:1.7}.report-tools{font-size:var(--text-caption);color:var(--soft);flex-wrap:wrap;gap:12px 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p{color:var(--muted);max-width:40ch;margin:0;font-size:1rem;line-height:1.8}.audience-scope{font-size:var(--text-caption);color:var(--muted);margin:24px 0 0;line-height:1.7}.app-layout{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:start;gap:96px;display:grid}.app-copy{grid-area:1/2;max-width:540px;padding-top:72px}.app-copy>p{max-width:43ch}.app-stage{grid-area:1/1;justify-content:center;min-width:0;padding:0 16px;display:flex}.app-screen{font-size:3.35cqw;line-height:1.6}.app-tabs{border-top:1px solid var(--rule);flex-direction:column;gap:0;margin-top:32px;display:flex}.app-tab{border:0;border-bottom:1px solid var(--rule);width:100%;min-width:0;color:var(--muted);text-align:left;cursor:pointer;background:0 0;border-radius:20px;flex-direction:column;gap:8px;padding:24px 20px;transition:background .2s,color 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var(--panel-line-2);min-height:48px;color:var(--muted);font-size:var(--text-small);cursor:pointer;background:0 0;border-radius:999px;padding:12px 8px;line-height:1.4}.plan-switch button[aria-pressed=true]{background:var(--chalk);color:var(--on-accent);border-color:var(--chalk)}.plan-caption{font-size:var(--text-caption);border-top:1px solid var(--panel-line);color:var(--muted);margin:24px 0 0;padding-top:20px;line-height:1.7}.progress-layout{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:96px;margin-top:48px;display:grid}.training-loop{flex-direction:column;gap:32px;margin:0;padding:0;list-style:none;display:flex}.training-loop li{border-top:1px solid var(--rule);grid-template-columns:40px minmax(0,1fr);gap:0 24px;min-width:0;padding-top:24px;display:grid}.loop-number{font-size:var(--text-caption);color:var(--accent-ink);grid-area:1/1/3;padding-top:5px;font-weight:500}.training-loop h3{grid-column:2;margin:0 0 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