:root{--radius: .75rem;--surface-app: #101010;--surface-panel: #151515;--surface-elevated: #202020;--background: var(--surface-app);--foreground: oklch(.97 0 0);--primary: oklch(.97 0 0);--primary-foreground: oklch(.18 0 0);--muted-foreground: oklch(.7 0 0);--border: oklch(1 0 0 / 10%);--ring: oklch(1 0 0 / 55%);--font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Source Han Sans SC", "Segoe UI", sans-serif;--font-display: "Noto Serif SC", "Songti SC", "STSong", serif;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--background);color:var(--foreground);font-family:var(--font-sans);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.04;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E")}h1,h2,h3,p,ul{margin:0}ul{padding:0;list-style:none}img{display:block;max-width:100%}a{color:inherit;text-underline-offset:3px}a:focus-visible{outline:3px solid var(--ring);outline-offset:3px;border-radius:calc(var(--radius) - 4px)}.lp-page{position:relative;z-index:1}.lp-wrap{position:relative;max-width:1080px;margin:0 auto;padding:0 24px}.lp-skip{position:absolute;left:16px;top:-100px;padding:8px 12px;background:var(--surface-elevated);border-radius:var(--radius)}.lp-skip:focus{top:12px}.lp-header{position:relative;z-index:20}.lp-header-inner{display:flex;align-items:center;gap:12px;max-width:1080px;margin:0 auto;padding:16px 24px}.lp-header-inner .lp-brand{order:1;margin-right:auto}.lp-header-inner>.lp-ic{order:2}.lp-header-inner nav{order:3;display:flex}.lp-brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--font-display);font-weight:700;font-size:18px}.lp-brand img{border-radius:calc(var(--radius) - 4px)}.lp-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-elevated);color:var(--foreground);font-size:14px;font-weight:500;text-decoration:none;transition:background-color .2s cubic-bezier(.22,1,.36,1)}.lp-btn:hover{background:#232323}.lp-btn-primary{background:var(--primary);color:var(--primary-foreground);border-color:transparent}.lp-btn-primary:hover{background:#dedede}.lp-ic{--ic: 40px;position:relative;display:inline-flex;flex:none;align-items:center;justify-content:center;height:var(--ic);min-width:var(--ic);padding:0;border:0;border-radius:999px;background:#161616f0;color:var(--foreground);font:500 14px/1 var(--font-sans);text-decoration:none;cursor:pointer;box-shadow:inset 0 1px #ffffff1a,0 0 0 1px #ffffff12,0 1px 2px #00000080,0 8px 24px #00000073;transition:transform .2s cubic-bezier(.22,1,.36,1),background-color .2s,box-shadow .2s}@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){.lp-ic{background:#1b1b1b8c;-webkit-backdrop-filter:blur(14px) saturate(1.2);backdrop-filter:blur(14px) saturate(1.2)}}.lp-ic:before{content:"";position:absolute;inset:-2px;border-radius:inherit}.lp-ic-icon{flex:none;width:18px;height:18px;margin:0 11px}.lp-ic:hover{transform:translateY(-1px);background-color:#2e2e2eb3;box-shadow:inset 0 1px #ffffff29,0 0 0 1px #ffffff1f,0 2px 4px #00000080,0 12px 28px #00000080}.lp-ic:active{transform:translateY(0);box-shadow:inset 0 1px #ffffff14,0 0 0 1px #ffffff12,0 1px 1px #00000080}.lp-ic:focus-visible{outline:2px solid var(--ring);outline-offset:3px;border-radius:999px}.lp-ic-label{white-space:nowrap}.lp-ic-hover .lp-ic-label{max-width:0;margin-left:0;overflow:hidden;opacity:0;transition:max-width .3s cubic-bezier(.22,1,.36,1),margin .3s cubic-bezier(.22,1,.36,1),opacity .2s}@media(hover:hover){.lp-ic-hover:hover .lp-ic-label,.lp-ic-hover:focus-visible .lp-ic-label{max-width:8em;margin-left:16px;opacity:1}}.lp-ic-always{padding-left:16px}.lp-ic-always .lp-ic-icon{margin:0 12px 0 8px}.lp-ic-tip:after{content:attr(data-tip);position:absolute;top:calc(100% + 10px);right:0;padding:6px 10px;border-radius:calc(var(--radius) - 4px);background:var(--surface-elevated);box-shadow:0 0 0 1px #ffffff1a,0 8px 24px #00000080;color:var(--foreground);font-size:12px;line-height:16px;white-space:nowrap;opacity:0;transform:translateY(-2px);pointer-events:none;transition:opacity .18s,transform .18s}@media(hover:hover){.lp-ic-tip:hover:after{opacity:1;transform:none}}.lp-ic-tip:focus-visible:after{opacity:1;transform:none}.lp-scene{padding:72px 0 48px;max-width:760px}.lp-hero{padding-top:56px}.lp-kicker{color:var(--muted-foreground);font-size:12px;line-height:18px;letter-spacing:.16em}.lp-eyebrow{margin-top:8px;color:var(--muted-foreground);font-size:14px;letter-spacing:.08em}.lp-scene-title{margin-top:12px;font-family:var(--font-display);font-weight:700;font-size:clamp(32px,6vw,56px);line-height:1.15;letter-spacing:-.02em}.lp-hero .lp-scene-title{font-size:clamp(40px,8vw,72px);line-height:1.1}.lp-subtitle{margin-top:12px;font-family:var(--font-display);font-size:20px;line-height:1.5;letter-spacing:.08em;color:#ebe7e0}.lp-narration{margin-top:20px;font-size:18px;line-height:1.7}.lp-points{display:grid;gap:8px;margin-top:20px;color:var(--muted-foreground);font-size:14px}.lp-points li,.lp-notes li{position:relative;padding-left:16px}.lp-points li:before,.lp-notes li:before{content:"";position:absolute;left:2px;top:.82em;width:4px;height:4px;margin-top:-2px;border-radius:50%;background:var(--foreground);opacity:.55}.lp-caption{margin-top:20px;color:var(--muted-foreground);font-size:12px;line-height:18px}.lp-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.lp-note{margin-top:24px;color:var(--muted-foreground);font-size:14px;line-height:1.7}.lp-section{padding:24px 0 72px}.lp-section h2{font-size:24px;font-weight:600;line-height:32px}.lp-footer{margin-top:24px;padding:32px 0 48px;border-top:1px solid var(--border);color:var(--muted-foreground);font-size:14px}.lp-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:16px}.lp-links a{color:var(--foreground)}.lp-download{min-height:220px;margin-top:24px;padding:24px;background:var(--surface-panel);border:1px solid var(--border);border-radius:var(--radius)}.lp-download>*+*{margin-top:16px}.lp-dl-version{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font-size:14px;color:var(--muted-foreground)}.lp-badge{padding:0 8px;border:1px solid var(--border);border-radius:calc(var(--radius) - 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4px)}.lp-faq p{padding-bottom:16px;color:var(--muted-foreground);font-size:14px;line-height:1.7}.lp-sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.lp-film{--film-progress: 0;--scene-index: 0;--scene-local: 0}.lp-film .lp-header{position:fixed;inset:0 0 auto}.lp-film .lp-header:before{content:"";position:absolute;inset:0 0 -32px;z-index:-1;pointer-events:none;background:linear-gradient(to bottom,oklch(.16 0 0 / .96),oklch(.16 0 0 / .72) 55%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);-webkit-mask-image:linear-gradient(to bottom,#000 55%,transparent);mask-image:linear-gradient(to bottom,#000 55%,transparent)}.lp-track{height:calc(var(--film-length) * 100vh);height:calc(var(--film-length) * 100svh)}.lp-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;contain:layout paint;background:var(--stage-tone, #101010)}.lp-stage-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 46%,oklch(.3 0 0 / 34%),transparent 64%)}.lp-picture{position:absolute;inset:0;will-change:transform}.lp-canvas{position:absolute;inset:0;width:100%;height:100%}.lp-look{position:absolute;inset:-4px;width:calc(100% + 8px);height:calc(100% + 8px);pointer-events:none}.lp-vignette{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 50% 46%,transparent 52%,oklch(0 0 0 / 52%) 100%)}.lp-layer{--o: clamp(0, min((var(--film-progress) - var(--s)) / var(--fade), (var(--e) - var(--film-progress)) / var(--fade)), 1);position:absolute;inset:0;opacity:var(--o);transform:translate3d(0,calc((1 - var(--o)) * 14px),0);will-change:transform,opacity}.lp-slate{position:absolute;top:92px;left:0;right:0;margin:0;padding:0 24px;text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:18px;letter-spacing:.16em;color:#d6d0c6d1}.lp-marks{position:absolute;z-index:1;top:92px;left:56px;right:56px;display:flex;justify-content:space-between;pointer-events:none;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:18px;letter-spacing:.12em;white-space:pre;font-variant-numeric:tabular-nums;color:#d6d0c6d1}.lp-stage-subtitle{position:absolute;left:0;right:0;bottom:clamp(72px,13vh,124px);margin:0;padding:0 24px;text-align:center;font-family:var(--font-display);font-size:clamp(18px,2.2vw,28px);font-weight:500;line-height:1.5;letter-spacing:.14em;text-wrap:balance;color:#f4f0e8;text-shadow:0 1px 14px rgba(0,0,0,.75),0 0 2px rgba(0,0,0,.6);opacity:clamp(0,min((var(--scene-local) - .22) / .1,(.93 - var(--scene-local)) / .07),1)}.lp-stage-art{position:absolute;inset:0}.lp-start{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;pointer-events:none;transition:opacity .35s,visibility 0s}.lp-start[data-on=false]{opacity:0;visibility:hidden;transition:opacity .35s,visibility 0s .35s}.lp-start .lp-ic{pointer-events:auto}.lp-ic-xl{--ic: 72px}.lp-ic-xl .lp-ic-icon{width:30px;height:30px;margin:0 0 0 4px}.lp-ic-xl:before{inset:-6px}.lp-start-text{position:absolute;top:calc(50% + 56px);color:var(--muted-foreground);font-size:12px;letter-spacing:.2em}.lp-hud{position:absolute;z-index:2;left:56px;right:56px;bottom:16px;display:flex;align-items:center;gap:16px;color:var(--muted-foreground);font-size:12px;line-height:18px}.lp-ic-sm{--ic: 32px}.lp-ic-sm .lp-ic-icon{margin:0 7px}.lp-ic-sm:before{inset:-6px}.lp-hud .lp-ic-tip:after{top:auto;bottom:calc(100% + 10px);left:0;right:auto}.lp-hud-time{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.06em}.lp-hud-scene{letter-spacing:.16em}.lp-hud-bar{--film-time: 0;position:relative;flex:1;height:20px;cursor:pointer;touch-action:none}.lp-hud-bar:focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:4px}.lp-hud-track{position:absolute;left:0;right:0;top:50%;height:2px;margin-top:-1px;background:var(--border);transition:height .15s,margin-top .15s}.lp-hud-track:after{content:"";position:absolute;inset:0;background:var(--foreground);transform:scaleX(var(--film-time));transform-origin:left center}.lp-hud-bar:hover .lp-hud-track,.lp-hud-bar:focus-visible .lp-hud-track{height:4px;margin-top:-2px}.lp-hud-tick{position:absolute;top:50%;width:2px;height:8px;margin:-4px 0 0 -1px;background:#ffffff73;opacity:0;transition:opacity .15s}.lp-hud-bar:hover .lp-hud-tick,.lp-hud-bar:focus-visible .lp-hud-tick{opacity:1}.lp-perf{position:absolute;top:0;bottom:0;width:14px;overflow:hidden}.lp-perf-left{left:16px}.lp-perf-right{right:16px}.lp-perf span{position:absolute;left:0;right:0;top:0;height:calc(100% + 4800px);background:repeating-linear-gradient(to bottom,transparent 0 14px,oklch(1 0 0 / 14%) 14px 34px,transparent 34px 48px);transform:translate3d(0,calc(var(--film-progress) * -4800px),0);will-change:transform}@media(max-width:767px){.lp-slate{top:118px}.lp-marks{top:92px;left:24px;right:24px;font-size:11px}.lp-hud{left:24px;right:24px}.lp-hud-scene{display:none}.lp-perf{width:8px}.lp-perf-left{left:6px}.lp-perf-right{right:6px}.lp-stage-subtitle{bottom:clamp(84px,15vh,120px);font-size:17px;letter-spacing:.06em}}