:root{--lumi-color-firefly: #A8FF78;--lumi-color-firefly-soft: #6FE3A8;--lumi-color-aurora: #8E78FF;--lumi-color-aurora-soft: #9B7AFF;--lumi-color-cyan: #78D6FF;--lumi-color-warm: #FFB071;--lumi-color-honey: #FFD678;--lumi-color-coral: #FFA8A8;--lumi-color-flame: #FF9D3A;--lumi-color-bg-deep: #0A0E14;--lumi-color-bg-elev1: #11151D;--lumi-color-bg-elev2: #1A1F2C;--lumi-color-bg-elev3: #222938;--lumi-color-text-pearl: #F5F5F7;--lumi-color-text-mist: #98A0B3;--lumi-color-text-muted: #5C6478;--lumi-color-text-faint: #6F7689;--lumi-color-text-invert: #07120D;--lumi-color-border: rgba(245, 247, 250, .08);--lumi-color-border-strong: rgba(245, 247, 250, .16);--lumi-color-border-firefly: rgba(168, 255, 120, .34);--lumi-color-surface-soft: rgba(245, 247, 250, .06);--lumi-color-surface-softer: rgba(245, 247, 250, .04);--lumi-color-surface-hover: rgba(245, 247, 250, .09);--lumi-color-success: #A8FF78;--lumi-color-warning: #FFB071;--lumi-color-danger: #FF6B6B;--lumi-color-info: #78D6FF;--lumi-color-light-bg-base: #F7F8FA;--lumi-color-light-bg-elev1: #FFFFFF;--lumi-color-light-bg-elev2: #F0F2F6;--lumi-color-light-text-strong: #1B1F27;--lumi-color-light-text-weak: #5C6478;--lumi-color-light-border: rgba(10, 14, 20, .08);--lumi-color-light-border-strong: rgba(10, 14, 20, .16);--lumi-radius-xs: 4px;--lumi-radius-sm: 8px;--lumi-radius-md: 12px;--lumi-radius-lg: 16px;--lumi-radius-xl: 24px;--lumi-radius-2xl: 32px;--lumi-radius-full: 9999px;--lumi-space-2xs: 2px;--lumi-space-xs: 4px;--lumi-space-sm: 8px;--lumi-space-md: 12px;--lumi-space-lg: 16px;--lumi-space-xl: 24px;--lumi-space-2xl: 32px;--lumi-space-3xl: 48px;--lumi-space-4xl: 64px;--lumi-fs-meta: 12px;--lumi-fs-secondary: 13px;--lumi-fs-body: 14px;--lumi-fs-control: 14px;--lumi-fs-h3: 16px;--lumi-fs-h2: 18px;--lumi-fs-h1: 22px;--lumi-fs-display: 28px;--lumi-fs-poetic: 36px;--lumi-lh-tight: 1.3;--lumi-lh-base: 1.5;--lumi-lh-loose: 1.6;--lumi-fw-regular: 400;--lumi-fw-medium: 500;--lumi-fw-semibold: 600;--lumi-fw-bold: 700;--lumi-ls-heading: -.005em;--lumi-ls-poetic: .06em;--lumi-shadow-sm: 0 4px 12px -4px rgba(0, 0, 0, .3);--lumi-shadow-md: 0 8px 24px -6px rgba(0, 0, 0, .35);--lumi-shadow-lg: 0 16px 48px -8px rgba(0, 0, 0, .45);--lumi-shadow-xl: 0 28px 64px -12px rgba(0, 0, 0, .55);--lumi-shadow-glow-firefly: 0 0 32px rgba(168, 255, 120, .32);--lumi-shadow-glow-aurora: 0 0 32px rgba(142, 120, 255, .28);--lumi-z-base: 0;--lumi-z-raised: 10;--lumi-z-dropdown: 100;--lumi-z-sticky: 200;--lumi-z-navbar: 300;--lumi-z-tabbar: 400;--lumi-z-overlay: 800;--lumi-z-modal: 900;--lumi-z-popover: 1000;--lumi-z-toast: 1100;--lumi-z-tooltip: 1200;--lumi-duration-fast: .12s;--lumi-duration-base: .2s;--lumi-duration-medium: .32s;--lumi-duration-slow: .52s;--lumi-duration-breathe: 2.2s;--lumi-easing-soft: cubic-bezier(.2, .8, .2, 1);--lumi-easing-emphasized: cubic-bezier(.4, 0, .2, 1);--lumi-easing-spring: cubic-bezier(.34, 1.56, .64, 1);--lumi-easing-breathe: cubic-bezier(.37, 0, .63, 1);--lumi-breakpoint-xs: 360px;--lumi-breakpoint-sm: 640px;--lumi-breakpoint-md: 768px;--lumi-breakpoint-lg: 1024px;--lumi-breakpoint-xl: 1280px;--lumi-breakpoint-2xl: 1536px;color-scheme:dark;background:var(--lumi-color-bg-deep);color:var(--lumi-color-text-pearl);font-family:var(--lumi-font-sans)}:root[data-theme=light]{--lumi-color-bg-deep: var(--lumi-color-light-bg-base);--lumi-color-bg-elev1: var(--lumi-color-light-bg-elev1);--lumi-color-bg-elev2: var(--lumi-color-light-bg-elev2);--lumi-color-bg-elev3: var(--lumi-color-light-bg-elev2);--lumi-color-text-pearl: var(--lumi-color-light-text-strong);--lumi-color-text-mist: var(--lumi-color-light-text-weak);--lumi-color-text-muted: var(--lumi-color-light-text-weak);--lumi-color-border: var(--lumi-color-light-border);--lumi-color-border-strong: var(--lumi-color-light-border-strong);--lumi-color-surface-soft: rgba(10, 14, 20, .04);--lumi-color-surface-softer: rgba(10, 14, 20, .02);--lumi-color-surface-hover: rgba(10, 14, 20, .06);color-scheme:light}:root,:root[data-skin=lumi]{--lumenlan-skin-primary: var(--lumi-color-firefly);--lumenlan-skin-primary-soft: var(--lumi-color-firefly-soft);--lumenlan-skin-accent: var(--lumi-color-aurora);--lumenlan-skin-accent-soft: var(--lumi-color-aurora-soft);--lumenlan-skin-info: var(--lumi-color-cyan);--lumenlan-skin-warm: var(--lumi-color-warm);--lumenlan-skin-success: var(--lumi-color-success);--lumenlan-skin-warning: var(--lumi-color-warning);--lumenlan-skin-danger: var(--lumi-color-danger);--lumenlan-skin-bg-base: var(--lumi-color-bg-deep);--lumenlan-skin-bg-elev-1: var(--lumi-color-bg-elev1);--lumenlan-skin-bg-elev-2: var(--lumi-color-bg-elev2);--lumenlan-skin-bg-elev-3: var(--lumi-color-bg-elev3);--lumenlan-skin-text-strong: var(--lumi-color-text-pearl);--lumenlan-skin-text-weak: var(--lumi-color-text-mist);--lumenlan-skin-text-muted: var(--lumi-color-text-muted);--lumenlan-skin-text-faint: var(--lumi-color-text-faint);--lumenlan-skin-text-invert: var(--lumi-color-text-invert);--lumenlan-skin-border: var(--lumi-color-border);--lumenlan-skin-border-strong: var(--lumi-color-border-strong);--lumenlan-skin-border-active: var(--lumi-color-border-firefly);--lumenlan-skin-surface-soft: var(--lumi-color-surface-soft);--lumenlan-skin-surface-softer: var(--lumi-color-surface-softer);--lumenlan-skin-surface-hover: var(--lumi-color-surface-hover);--lumenlan-skin-glow: rgba(168, 255, 120, .3);--lumenlan-skin-glow-accent: rgba(142, 120, 255, .28)}:root[data-skin=deerlight]{--lumenlan-skin-primary: #FFB071;--lumenlan-skin-primary-soft: #FFC891;--lumenlan-skin-accent: #F2C661;--lumenlan-skin-bg-base: #1A1410;--lumenlan-skin-bg-elev-1: #231C16;--lumenlan-skin-text-strong: #F4E8D8;--lumenlan-skin-text-weak: #A89B7A;--lumenlan-skin-border: rgba(244, 232, 216, .14);--lumenlan-skin-glow: rgba(255, 176, 113, .28)}:root[data-skin=deerlight]{--home-lamp: var(--lumenlan-skin-primary);--home-lamp-soft: var(--lumenlan-skin-primary-soft);--home-candle: var(--lumenlan-skin-accent);--home-hearth: var(--lumenlan-skin-bg-base);--home-hearth-1: var(--lumenlan-skin-bg-elev-1);--home-cream: var(--lumenlan-skin-text-strong);--home-weak: var(--lumenlan-skin-text-weak);--home-border: var(--lumenlan-skin-border);--home-glow: var(--lumenlan-skin-glow);--home-hartwood: #7a4f38;--home-vellum: #e8dcc8;--home-hearth-2: #2e2520;--home-hearth-3: #3a2f28;--home-firefly: #a8ff78;--sky-0: #1a1410;--sky-1: #231c16;--sky-2: #2e2520;--sky-3: #3a2f28;--sky-4: #c9ae8f;--sky-5: #e8dcc8;--sky-6: #f4e8d8;--ease-smooth: cubic-bezier(.4, 0, .2, 1);--radius: 14px;--radius-sm: 9px}html{scroll-behavior:smooth}body{margin:0;background-color:var(--home-hearth);color:var(--home-cream);font-family:Inter,HarmonyOS Sans,Source Han Sans SC,PingFang SC,Noto Sans SC,Microsoft YaHei,system-ui,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-48px;left:16px;z-index:10;padding:9px 14px;border-radius:var(--radius-sm);background:var(--home-hearth);color:var(--home-cream);text-decoration:none;transition:top .25s var(--ease-smooth)}.skip-link:focus{top:12px}.site-head{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:22px clamp(18px,4vw,44px)}.brand{margin:0;display:flex;align-items:center;gap:12px}.brand-mark{width:30px;height:30px;border-radius:50%;background:radial-gradient(circle at 36% 32%,var(--home-lamp-soft),var(--home-lamp) 46%,transparent 80%);box-shadow:0 0 22px var(--home-glow);animation:lamp-breathe 8s var(--ease-smooth) infinite}@keyframes lamp-breathe{0%,to{box-shadow:0 0 18px var(--home-glow)}50%{box-shadow:0 0 30px var(--home-glow)}}.brand-name{font-size:16px;font-weight:620;letter-spacing:.01em}.brand-en{color:var(--home-weak);font-size:13px;font-weight:460}.head-link{padding:8px 16px;border:1px solid var(--home-border);border-radius:999px;color:var(--home-cream);font-size:14px;text-decoration:none;transition:border-color .35s var(--ease-smooth),background .35s var(--ease-smooth)}.head-link:hover{border-color:color-mix(in srgb,var(--home-lamp) 40%,transparent);background:color-mix(in srgb,var(--home-lamp) 8%,transparent)}.scene{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:96px clamp(18px,5vw,48px);box-sizing:border-box}.scene-body{position:relative;z-index:1;max-width:760px;width:100%;text-align:center;display:grid;gap:18px;justify-items:center}.scene-night{background-color:var(--sky-0)}.scene-fireflies{background-color:var(--sky-1)}.scene-shelf{background-color:var(--sky-2)}.scene-demo{background-color:var(--sky-5)}.scene-cta{background-color:var(--sky-6)}html.sky-live .scene{background-color:transparent}.scene-demo,.scene-cta{color:var(--home-hearth)}.poetic{margin:0;font-size:clamp(26px,5vw,36px);font-weight:640;letter-spacing:0;line-height:1.35}.scene-sub{margin:0;max-width:34em;font-size:16px;color:var(--home-weak)}.scene-cta .scene-sub{color:var(--home-hartwood)}.scroll-hint{position:absolute;bottom:26px;left:0;right:0;margin:0;text-align:center;font-size:13px;letter-spacing:.14em;color:var(--home-weak)}.scroll-hint:after{content:"";display:block;width:1px;height:26px;margin:10px auto 0;background:linear-gradient(180deg,var(--home-weak),transparent)}.reveal{opacity:0;transform:translateY(14px) scale(.96);transition:opacity .9s var(--ease-smooth),transform .9s var(--ease-smooth)}.reveal.in{opacity:1;transform:none}html:not(.js) .reveal{opacity:1;transform:none}.night-stage{margin:0;width:min(720px,92vw)}.night-stage .lamp-core{animation:lamp-core-breathe 8s var(--ease-smooth) infinite}@keyframes lamp-core-breathe{0%,to{opacity:.85}50%{opacity:1}}.firefly-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none}.cere-stage{margin:0;width:100%;display:grid;justify-items:center;overflow:hidden}.cere-frame{position:relative;width:460px;height:260px;flex-shrink:0}.cere-board{position:absolute;left:70px;right:70px;bottom:42px;height:6px;border-radius:3px;background:color-mix(in srgb,var(--home-hartwood) 78%,var(--home-hearth))}.cere-shelf{position:absolute;left:0;right:0;bottom:48px;display:flex;justify-content:center;gap:14px}.cere-spine{width:22px;height:88px;border-radius:3px 3px 0 0;background:color-mix(in srgb,var(--home-cream) 22%,transparent)}.cere-spine:nth-child(2){height:78px;align-self:flex-end}.cere-spine:nth-child(3){visibility:hidden}.cere-spine:nth-child(4){height:82px;align-self:flex-end}.cere-page{position:absolute;left:50%;bottom:48px;width:22px;height:88px;margin-left:-11px;border-radius:3px 3px 0 0;background:linear-gradient(180deg,var(--home-lamp-soft),var(--home-candle));box-shadow:0 0 26px var(--home-glow)}.cere-spark{position:absolute;top:40px;left:50%;width:5px;height:5px;border-radius:50%;background:var(--home-candle);box-shadow:0 0 10px var(--home-glow);opacity:0}@media(prefers-reduced-motion:no-preference){html.js .cere-page{opacity:0}html.js .cere-stage.lit .cere-page{animation:cere-place 7s var(--ease-smooth) forwards}html.js .cere-stage.lit .cere-spark{animation:cere-gather 2.6s var(--ease-smooth) forwards}html.js .cere-stage.lit .cere-spark.s2{animation-delay:.3s}html.js .cere-stage.lit .cere-spark.s3{animation-delay:.6s}}@keyframes cere-gather{0%{opacity:0;transform:translate(var(--from-x, -170px),var(--from-y, -26px))}20%{opacity:1}to{opacity:0;transform:translate(-2px,42px)}}.cere-spark.s2{top:12px;--from-x: 170px;--from-y: 8px}.cere-spark.s3{top:56px;--from-x: -70px;--from-y: 96px}@keyframes cere-place{0%{opacity:0;transform:translateY(-96px) scale(5.4,1.6);box-shadow:0 0 0 transparent}22%{opacity:1;transform:translateY(-96px) scale(5.4,1.6);box-shadow:0 0 34px var(--home-glow)}46%{transform:translateY(-96px) scale(5.4,1.6)}70%{transform:translateY(0) scale(1);box-shadow:0 0 8px var(--home-glow)}84%{box-shadow:0 0 30px var(--home-glow)}to{opacity:1;transform:none;box-shadow:0 0 26px var(--home-glow)}}.fact-list{list-style:none;margin:8px 0 0;padding:18px 22px;display:grid;gap:12px;text-align:left;border-radius:var(--radius);background:color-mix(in srgb,var(--home-hearth) 55%,transparent);border:1px solid var(--home-border)}.fact-list li{display:grid;grid-template-columns:3.2em 1fr;gap:12px;align-items:baseline;font-size:15px}.fact-list strong{color:var(--home-lamp);font-weight:620}.fact-list span{color:var(--home-cream)}.paper-panel{width:100%;max-width:640px;box-sizing:border-box;padding:clamp(20px,4vw,30px);border-radius:var(--radius);background:var(--home-vellum);border:1px solid color-mix(in srgb,var(--home-hartwood) 28%,transparent);text-align:left;display:grid;gap:14px}.paper-panel h2{margin:0;font-size:22px;font-weight:630;color:var(--home-hearth)}.panel-note{margin:0;font-size:13px;color:var(--home-hartwood)}.demo-form{display:grid;gap:12px}.demo-form textarea{width:100%;box-sizing:border-box;padding:12px 14px;border:1px solid color-mix(in srgb,var(--home-hartwood) 34%,transparent);border-radius:var(--radius-sm);background:var(--home-cream);color:var(--home-hearth);line-height:1.6;resize:vertical;transition:border-color .3s var(--ease-smooth),box-shadow .3s var(--ease-smooth)}.demo-form textarea:focus{outline:none;border-color:var(--home-hartwood);box-shadow:0 0 0 3px color-mix(in srgb,var(--home-lamp) 20%,transparent)}.demo-form textarea::placeholder{color:color-mix(in srgb,var(--home-hartwood) 72%,transparent)}.demo-hint{margin:0;min-height:1.2em;font-size:13px;color:var(--home-hartwood)}.demo-actions{display:flex;gap:10px;flex-wrap:wrap}.demo-actions button{border:0;border-radius:var(--radius-sm);padding:10px 16px;font-weight:560;cursor:pointer;background:var(--home-lamp);color:var(--home-hearth);transition:transform .25s var(--ease-smooth),filter .25s var(--ease-smooth),opacity .25s var(--ease-smooth)}.demo-actions button:hover:not(:disabled){filter:brightness(1.05);transform:translateY(-1px)}.demo-actions button:disabled{cursor:progress;opacity:.6}.demo-actions button.ghost{background:transparent;border:1px solid color-mix(in srgb,var(--home-hartwood) 40%,transparent);color:var(--home-hartwood)}.demo-actions button.ghost:hover:not(:disabled){border-color:var(--home-hartwood);filter:none}.demo-card{display:grid;gap:10px;padding:16px 18px;border-radius:var(--radius-sm);background:var(--home-cream);border:1px solid color-mix(in srgb,var(--home-hartwood) 24%,transparent);border-left:3px solid var(--home-candle);box-shadow:0 0 22px color-mix(in srgb,var(--home-candle) 22%,transparent);color:var(--home-hearth)}html.js .demo-card{animation:card-rise .5s var(--ease-smooth) both}@keyframes card-rise{0%{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}.demo-card-cap{margin:0;font-size:12px;letter-spacing:.08em;color:var(--home-hartwood)}.demo-card h3{margin:0;font-size:16px;font-weight:630}.demo-card ul{margin:0;padding-left:1.2em;display:grid;gap:6px;font-size:14px;line-height:1.6}.demo-card-meta{margin:0;font-size:12px;font-variant-numeric:tabular-nums;color:var(--home-hartwood)}.cta-major{display:inline-block;margin-top:6px;padding:14px 30px;border-radius:var(--radius-sm);background:var(--home-lamp);color:var(--home-hearth);font-size:16px;font-weight:620;text-decoration:none;box-shadow:0 0 34px var(--home-glow);transition:transform .25s var(--ease-smooth),filter .25s var(--ease-smooth)}.cta-major:hover{filter:brightness(1.05);transform:translateY(-1px)}.site-foot{position:absolute;bottom:20px;left:0;right:0;text-align:center}.site-foot p{margin:0;font-size:12px;color:var(--home-hartwood)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.reveal{opacity:1;transform:none}.cere-spark{display:none}}@media(max-width:560px){.scene{padding:84px 18px 72px}.cere-frame{transform:scale(.72);transform-origin:center bottom;margin-top:-60px}.fact-list li{grid-template-columns:1fr;gap:3px}.demo-actions{display:grid;grid-template-columns:1fr}.site-head{padding:16px 18px}}