@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Chivo+Mono:wght@500&display=swap";:root{font-family:Space Grotesk,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg: #f6f7fb;--bg-soft: #edf1ff;--bg-card: rgba(255, 255, 255, .8);--fg: #0c1533;--muted: #5c6280;--accent: #7f7bff;--accent-strong: #b393ff;--border: rgba(12, 21, 51, .1);--shadow: 0 20px 50px rgba(16, 30, 63, .16);--gradient: linear-gradient(135deg, #5b5bf6, #45a6ff, #3bf5ff)}*,*:before,*:after{box-sizing:border-box}html{height:100%}body{margin:0;min-height:100vh;height:100vh;background-color:var(--bg);color:var(--fg);overflow-y:scroll;scroll-snap-type:y mandatory;scroll-padding-top:80px;overscroll-behavior-y:contain;scroll-behavior:smooth}a{color:inherit}button{font-family:inherit}.page-shell{position:relative;padding:6.5rem clamp(1.5rem,5vw,5rem) 4rem;overflow:hidden}.top-nav{position:fixed;top:.75rem;left:50%;transform:translate(-50%);width:min(1200px,99%);padding:.85rem 1.8rem;border-radius:999px;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;background:transparent;border:none;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(26px);backdrop-filter:blur(26px);z-index:30;color:#0c1533;font-size:1rem;font-weight:600}.nav-left{display:flex;align-items:center;gap:1.5rem}.nav-brand{font-weight:700;letter-spacing:.08em}.nav-links{display:flex;gap:1.8rem;font-size:1.05rem;color:#29314f;flex:1;align-items:center}.nav-links a,.nav-link-trigger{color:inherit;text-decoration:none;position:relative;display:inline-flex;align-items:center;gap:.3rem;font:inherit;background:transparent;border:none;cursor:pointer}.nav-link-icon{width:18px;height:18px;border-radius:4px;flex-shrink:0}.nav-links a:last-child{margin-left:auto}.nav-links a .nav-link-text:after,.nav-link-trigger .nav-link-text:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--gradient);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}.nav-links a:hover .nav-link-text:after,.nav-link-trigger:hover .nav-link-text:after{transform:scaleX(1)}.nav-dropdown{position:relative;display:inline-flex;flex-direction:column;align-items:flex-start}.nav-link-trigger:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.nav-caret{font-size:.8rem;transition:transform .2s ease}.nav-link-trigger[aria-expanded=true] .nav-caret{transform:rotate(180deg)}.nav-link-trigger.nav-link-plain:after{display:none}.nav-dropdown-menu{position:absolute;top:100%;left:0;min-width:220px;max-height:320px;overflow-y:auto;background:#fff;color:#0c1533;border-radius:20px;box-shadow:0 20px 45px #0c15332e;padding:.4rem 0;border:1px solid rgba(12,21,51,.08);z-index:40}.nav-dropdown-menu li{list-style:none}.nav-dropdown-menu button{width:100%;display:flex;align-items:center;gap:.4rem;background:transparent;border:none;text-align:left;padding:.45rem 1rem;font-size:.93rem;color:inherit;cursor:pointer}.nav-dropdown-menu button:hover{background:#7f7bff1f;color:#5a65f5}.lang-switch{display:inline-flex;align-items:center;font-size:.85rem}.lang-select-wrapper{position:relative;min-width:150px}.lang-select-trigger{width:100%;border-radius:999px;border:1px solid rgba(12,21,51,.08);background:transparent;min-height:2.6rem;padding:.35rem 1.8rem .35rem .8rem;display:flex;align-items:center;gap:.5rem;box-shadow:inset 0 1px #fff9;cursor:pointer;font-weight:600;color:#0b1022}.lang-select-trigger:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.lang-earth-icon{width:18px;height:18px}.lang-value{flex:1;text-align:left;font-size:1.05rem;line-height:1;min-height:1.2rem;display:inline-flex;align-items:center}.lang-caret{position:static;color:#0b1022;font-size:.9rem;transition:transform .2s ease;transform:rotate(0)}.lang-select-trigger[aria-expanded=true] .lang-caret{transform:rotate(180deg)}.lang-dropdown{position:absolute;top:calc(100% + .4rem);left:0;min-width:220px;max-height:320px;overflow-y:auto;background:#fff;border-radius:20px;box-shadow:0 20px 45px #0c15332e;padding:.4rem 0;border:1px solid rgba(12,21,51,.08);z-index:40}.lang-dropdown button{width:100%;text-align:left;background:transparent;border:none;padding:.45rem 1.25rem;font-size:.95rem;color:#0b1022;cursor:pointer}.lang-dropdown button:hover,.lang-dropdown button[aria-selected=true]{background:#6878ff1a;color:#5a65f5}.gradient-blur{position:absolute;width:40vw;height:40vw;filter:blur(100px);opacity:.3;pointer-events:none;z-index:0}.blur-one{top:-10vw;right:-5vw;background:radial-gradient(circle,#8f6cf9 0%,transparent 60%)}.blur-two{bottom:-15vw;left:-5vw;background:radial-gradient(circle,#3bf5ff 0%,transparent 60%)}header.hero{position:relative;display:flex;flex-direction:column;gap:1.5rem;padding:3.5rem 0 0;z-index:1;min-height:calc(100vh - 80px);justify-content:flex-start}.hero-video{margin-top:clamp(2.5rem,6vw,5.5rem);padding:clamp(2rem,5vw,4rem) 0 5rem;min-height:calc(100vh - 80px);display:flex;justify-content:center;align-items:center;flex-direction:column;gap:1.5rem}.video-layout{display:flex;flex-direction:column;gap:.2rem;align-items:center;width:min(1280px,100%)}.video-controls-row{width:min(1180px,100%);display:flex;justify-content:space-between;align-items:center;gap:1rem}.video-source-switch{display:flex;justify-content:flex-start;gap:.8rem}.video-source-switch button{min-width:140px;padding:.65rem 1rem;border-radius:20px;border:1px solid rgba(255,255,255,.25);background:#080a188c;color:#ffffffa6;font-size:.95rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.6rem;box-shadow:none}.video-source-switch button.active{background:linear-gradient(135deg,#fefefe,#e4e9ff);color:#0c1533;border:none;box-shadow:0 20px 35px #060c2038;transform:translateY(-2px)}.video-source-switch button img{width:20px;height:20px;border-radius:6px}.video-source-switch button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.video-controls-row{width:min(1180px,100%);display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-top:.5rem}.install-btn--inline{min-width:200px;justify-content:center;height:48px;padding:0 1.2rem}@media(max-width:768px){.video-controls-row{width:100%;flex-direction:column;align-items:stretch}.install-btn--inline{width:100%;min-width:unset}}.hero-video__head{text-align:center;margin-top:0}.hero-video__head h2{margin:0;font-size:clamp(1.8rem,4vw,2.6rem);color:var(--fg)}.download-page{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;gap:clamp(2rem,5vw,3.5rem);padding-top:3rem}.download-hero{margin-top:2rem}.hero-card{width:100%;display:grid;grid-template-columns:clamp(140px,20vw,180px) 1fr;align-items:stretch;gap:clamp(1.25rem,3vw,2.5rem)}.hero-card__icon{width:clamp(140px,20vw,180px);height:clamp(140px,20vw,180px);border-radius:32px;overflow:hidden}.hero-card__icon img{width:100%;height:100%;display:block;object-fit:cover;border-radius:inherit}.hero-copy{display:flex;flex-direction:column;gap:1rem;height:100%}.hero-copy h1{margin:0;font-size:clamp(2.4rem,5vw,3.8rem);line-height:1.1;font-weight:500}.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:auto}.release-panel{border:1px solid var(--border);border-left:none;border-right:none;padding:.5rem 0 1.1rem;display:flex;flex-direction:column;gap:.6rem}.release-toggle{display:flex;justify-content:space-between;align-items:center}.release-toggle button{width:100%;border:none;border-radius:0;background:transparent;color:var(--fg);font-size:.95rem;font-weight:500;padding:1.2rem 0;display:flex;align-items:center;justify-content:space-between;cursor:pointer}.release-badge{display:flex;align-items:center;gap:.75rem}.release-version{font-size:1.5rem;font-weight:600}.release-status{display:inline-flex;align-items:center;padding:.1rem .8rem;border-radius:999px;border:1px solid rgba(8,177,67,.4);font-size:.85rem;color:#0a8a32;background:#08b1431f}.release-body{display:flex;flex-direction:column;gap:1.5rem}.release-body[hidden]{display:none}.release-group+.release-group{border-top:1px solid var(--border)}.release-caret{transition:transform .2s ease;font-size:1.5rem}.release-toggle button[aria-expanded=true] .release-caret{transform:rotate(180deg)}.changelog h4{margin:0 0 .75rem}.changelog ul{margin:0;padding-left:1.2rem;color:var(--muted)}@media(max-width:640px){.download-page{padding-top:2rem}.hero-card{grid-template-columns:1fr;text-align:center;justify-items:center}.hero-card__icon{width:120px;height:120px}}.about-layout{width:min(1080px,100%);margin:4rem auto;display:flex;flex-direction:column;gap:clamp(1.5rem,3vw,2.5rem)}.about-hero{border-radius:36px;padding:clamp(2rem,4vw,3rem);display:flex;flex-direction:column;gap:1.2rem;background:transparent}.about-hero__eyebrow{margin:0;letter-spacing:.08em;font-weight:600;text-transform:uppercase;color:var(--accent)}.about-hero__title{margin:0;font-size:clamp(2.2rem,5vw,3.5rem);line-height:1.1}.about-hero__content{margin:0;color:var(--muted);font-size:1.08rem}.about-story{border-radius:32px;padding:clamp(1.5rem,3vw,2.5rem);display:flex;flex-direction:column;gap:1.2rem;background:transparent;border:none}.about-story__header{display:flex;align-items:center;gap:1rem}.about-story__header img{width:64px;height:64px;border-radius:18px}.about-story__subtitle{margin:0;color:var(--muted);font-size:.95rem}.about-story__body{margin:0;color:var(--muted);font-size:1rem}.about-contact{margin-top:1rem;padding-top:1rem;border-top:1px solid rgba(12,21,51,.08);font-size:.95rem;color:var(--muted)}.about-contact a{color:var(--accent);text-decoration:none;font-weight:600}.hero__content h1{font-size:clamp(2.5rem,5vw,4rem);margin:.4rem 0 1.4rem}.hero__content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:1.1rem}.hero__cta{margin-top:.5rem}.hero-carousel{width:100%;overflow:hidden;border-radius:32px;background:#ffffff1f;border:none;box-shadow:0 25px 60px #04071440;padding:1rem 0;margin-top:1.5rem;position:relative}.hero-carousel__track{display:flex;gap:1.5rem;animation:heroMarquee 20s linear infinite}.hero-carousel__card{min-width:320px;max-width:360px;padding:1.5rem;border-radius:28px;background:#fff;color:#101531;box-shadow:0 20px 40px #060c2026}.hero-carousel__tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.8rem}.hero-carousel__tags span{font-size:.75rem;padding:.2rem .6rem;border-radius:999px;background:#7f7bff26;color:#6c6fe9}.hero-carousel__card h3{margin:0 0 .4rem;font-size:1.2rem}.hero-carousel__card p{margin:0;color:#090c1ebf;font-size:.95rem}.hero__summary{color:#141828e6;width:100%;max-width:none;margin-bottom:1.8rem;display:flex;flex-direction:column;gap:.9rem}.hero__cta{margin-top:.8rem}.install-btn{position:relative;border-radius:5rem;padding:.65rem 1.6rem .65rem 1.2rem;display:inline-flex;align-items:center;gap:.7rem;color:#fff;font-size:1rem;font-weight:600;letter-spacing:.05em;text-decoration:none;cursor:pointer;overflow:hidden;border:double 4px transparent;background-image:linear-gradient(#212121,#212121),linear-gradient(137.48deg,#ffdb3b 10%,#fe53bb 45%,#8f51ea 67%,#04f 87%);background-origin:border-box;background-clip:padding-box,border-box;background-size:300% 300%;transition:transform .5s ease,box-shadow .5s ease;animation:gradient_301 5s ease infinite;box-shadow:0 18px 36px #080c2059;-webkit-backdrop-filter:blur(1rem);backdrop-filter:blur(1rem)}.install-btn__stars,.install-btn__glow{position:absolute;inset:0;pointer-events:none;border-radius:inherit}.install-btn__stars{overflow:hidden;z-index:0;transition:.5s;-webkit-backdrop-filter:blur(1rem);backdrop-filter:blur(1rem)}.install-btn__stars-layer{position:absolute;top:-100%;left:-50%;width:200%;height:300%}.install-btn__stars-layer:before,.install-btn__stars-layer:after{content:"";position:absolute;inset:0;background-image:radial-gradient(#ffffff 1px,transparent 1%);background-size:50px 50px;opacity:.5;animation:animStar 60s linear infinite}.install-btn__stars-layer:after{opacity:.3;animation:animStarRotate 90s linear infinite}.install-btn__glow{display:flex;justify-content:space-between;padding:0 .6rem;z-index:0}.install-btn__circle{width:100%;height:30px;filter:blur(2rem);animation:pulse_3011 4s infinite}.install-btn__circle--one{background:#fe53baa3}.install-btn__circle--two{background:#8e51eab8}.install-btn:hover{transform:scale(1.1);box-shadow:0 28px 64px #6277ff8c}.install-btn:hover .install-btn__stars{background-color:#212121;z-index:1}.install-btn:active{transform:scale(.97);border:double 4px #fe53bb;animation:none}.install-btn:active .install-btn__circle{background:#fe53bb}.install-btn__icon,.install-btn__label{position:relative;z-index:2}.install-btn__icon{width:1.9rem;height:1.9rem;border-radius:50%;box-shadow:0 4px 10px #00000040}.brand-kicker{text-transform:none;letter-spacing:.12em;color:var(--fg);font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:700;margin:0}.brand-glow{display:inline-flex;align-items:center;justify-content:center;padding:.3rem .9rem;background:#000;border-radius:50px;transition:all .7s ease;--spread: 20px;box-shadow:-10px -10px var(--spread) 0 #5b51d8,0 -10px var(--spread) 0 #833ab4,10px -10px var(--spread) 0 #e1306c,10px 0 var(--spread) 0 #fd1d1d,10px 10px var(--spread) 0 #f77737,0 10px var(--spread) 0 #fcaf45,-10px 10px var(--spread) 0 #ffdc80}.brand-glow:hover{--spread: 26px}.brand-glow .brand-kicker{color:#f0f0f0}.hero__visual{position:relative}.video-shell{position:relative;border-radius:36px;overflow:hidden;cursor:pointer;border:1px solid var(--border);box-shadow:var(--shadow);transform:translateZ(0);width:min(1180px,100%);height:0;padding-bottom:56.25%}.video-shell iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;display:block}.core-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin:3rem 0 4rem}.core-card{padding:1.5rem;border-radius:24px;background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow)}.core-card small{color:var(--accent-strong);font-family:Chivo Mono,monospace;letter-spacing:.2em}.core-card h3{margin:.8rem 0}.tag-row{margin-top:1rem;display:flex;flex-wrap:wrap;gap:.5rem}.tag-row span{padding:.3rem .9rem;border-radius:999px;border:1px solid var(--border);font-size:.85rem;color:var(--muted)}.narrative{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:4rem}.narrative-block{padding:1.4rem;border-radius:24px;background:linear-gradient(145deg,#6f6cf921,#3bf5ff14);border:1px solid var(--border)}.narrative-block .anchor-spacer{height:0}.badge{display:inline-flex;align-items:center;gap:.4rem;padding:.3rem .8rem;border-radius:999px;border:1px solid var(--border);font-size:.8rem;color:var(--muted)}.microcopy{margin-top:1rem;font-family:Chivo Mono,monospace;color:var(--accent)}.voice-lab{margin-bottom:4rem}.voice-lab__intro h2{margin-bottom:.5rem}.voice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1.5rem}.voice-card{border-radius:20px;background:var(--bg-card);border:1px solid var(--border);padding:1rem;color:inherit;text-align:left;cursor:pointer;transition:border-color .2s ease,transform .2s ease}.voice-card.active{border-color:var(--accent);transform:translateY(-6px)}.voice-lang{font-weight:600}.voice-mood{color:var(--muted);font-size:.9rem}.voice-accent{font-size:.85rem;color:var(--muted)}.voice-wave{display:flex;gap:.2rem;margin:.7rem 0}.voice-wave span{flex:1;height:12px;background:#ffffff26;border-radius:999px;animation:wave 1s ease-in-out infinite}.voice-card.active .voice-wave span{background:var(--accent)}.voice-wave span:nth-child(2){animation-delay:.1s}.voice-wave span:nth-child(3){animation-delay:.2s}.voice-wave span:nth-child(4){animation-delay:.3s}.voice-action{font-size:.85rem;color:var(--accent-strong)}.feature-matrix{margin-bottom:4rem}.matrix-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1.5rem}.matrix-grid article{padding:1.3rem;border-radius:20px;border:1px solid var(--border);background:#ffffff05}.matrix-grid h3{margin-top:0}.matrix-grid li{list-style:none;margin-bottom:.8rem}.matrix-grid strong{display:block}.matrix-grid span{font-size:.85rem;color:var(--muted)}.scene-showcase{margin-bottom:4rem}.scene-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;align-items:center}.scene-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.4rem;margin-top:1.5rem}.scene-card{border-radius:24px;border:1px solid var(--border);padding:1.3rem;background:var(--bg-card);box-shadow:var(--shadow)}.scene-index{font-size:1.4rem;font-family:Chivo Mono,monospace;color:var(--accent)}.scene-card ol{padding-left:1.2rem;margin:0;color:var(--muted)}.sync-indicator{display:flex;gap:.4rem}.sync-indicator span{width:8px;height:8px;border-radius:50%;background:var(--muted);animation:blink 1.4s ease infinite}.sync-indicator span:nth-child(2){animation-delay:.2s}.sync-indicator span:nth-child(3){animation-delay:.4s}.hotkey-accessibility{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;margin-bottom:4rem}.hotkey-pane{padding:1.5rem;border-radius:24px;border:1px solid var(--border);background:var(--bg-card)}.hotkey-widget{margin-top:1rem;display:flex;flex-direction:column;gap:.8rem}.hotkey-trigger{display:inline-flex;gap:.4rem;padding:.6rem 1rem;border-radius:14px;font-family:Chivo Mono,monospace;background:#ffffff0d;border:1px solid var(--border);color:inherit;cursor:pointer}.hotkey-modal{position:relative;border-radius:24px;border:1px solid var(--border);background:var(--bg-card);padding:1.5rem;box-shadow:var(--shadow)}.hotkey-modal header{display:flex;justify-content:space-between;align-items:center}.hotkey-modal button{background:transparent;border:1px solid var(--border);border-radius:999px;padding:.4rem 1rem;color:inherit;cursor:pointer}.hotkey-list div{display:flex;justify-content:space-between;padding:.7rem 0;border-bottom:1px solid var(--border)}.trust{margin-bottom:4rem}.trust-stats{display:flex;flex-wrap:wrap;gap:1.5rem;align-items:center;margin-bottom:2rem}.stat-number{font-size:2.5rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem}.trust-grid article{padding:1.2rem;border-radius:20px;border:1px solid var(--border);background:#ffffff05}.final-cta{position:relative;padding:3rem;border-radius:32px;border:1px solid var(--border);background:var(--bg-card);box-shadow:var(--shadow);overflow:hidden}.final-bg{position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(143,108,249,.25),transparent),radial-gradient(circle at 80% 0%,rgba(59,245,255,.2),transparent);opacity:.8;filter:blur(10px)}.final-bg p{position:absolute;inset:auto auto 1.5rem 1.5rem;font-size:1rem;color:var(--muted)}.final-content{position:relative;z-index:1}.video-modal{position:fixed;inset:0;background:#010714e6;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;z-index:50}.video-modal__frame{width:min(100%,900px);border-radius:24px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);position:relative;height:0;padding-bottom:56.25%}.video-modal__frame iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.video-close{margin-top:1rem;border-radius:999px;padding:.6rem 1.4rem;border:1px solid var(--border);background:transparent;color:var(--fg);cursor:pointer}@keyframes wave{0%{transform:scaleY(.4)}50%{transform:scaleY(1)}to{transform:scaleY(.4)}}@keyframes blink{0%,to{opacity:.3}50%{opacity:1}}@media(max-width:768px){.page-shell{padding:6rem 1.2rem 2.5rem}.hero__actions{flex-direction:column}.top-nav{flex-direction:column;align-items:flex-start;border-radius:24px;width:min(100% - 1rem,420px);gap:.8rem}.nav-links{flex-wrap:wrap}.video-layout{flex-direction:column}.video-source-switch{flex-direction:row}.video-source-switch button{width:auto;flex:1}.video-controls-row{flex-direction:column;align-items:stretch}.install-btn--inline{width:100%}.hero-carousel__track{animation-duration:16s}.hero-video{margin-top:4rem}}@keyframes gradient_301{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes animStar{0%{transform:translateY(0)}to{transform:translateY(-135rem)}}@keyframes animStarRotate{0%{transform:rotate(360deg)}to{transform:rotate(0)}}@keyframes pulse_3011{0%{transform:scale(.75);box-shadow:0 0 #000000b3}70%{transform:scale(1);box-shadow:0 0 0 10px #0000}to{transform:scale(.75);box-shadow:0 0 #0000}}@keyframes heroMarquee{0%{transform:translate(0)}to{transform:translate(-50%)}}