:root{color-scheme:dark;--bg:#101713;--surface:#17211b;--text:#f3f7f4;--muted:#b0beb5;--accent:#a1ecad;--line:#ffffff16;--header-height:80px;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a,button,summary{touch-action:manipulation}img{display:block;max-width:100%}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,p{margin:0}h2,h3{line-height:1.3}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:6px;border-radius:4px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{max-width:1200px;width:calc(100% - 96px);margin-inline:auto}.section{padding-block:88px}.eyebrow{display:block;color:var(--accent);font-size:.75rem;font-weight:700;letter-spacing:.15em;line-height:1.5}.skip-link{position:fixed;top:12px;left:12px;padding:12px 20px;background:var(--accent);color:#15281b;z-index:100;transform:translateY(-150%)}.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;background:#101713ed;border-bottom:1px solid var(--line);backdrop-filter:blur(18px);z-index:20}.header-inner{max-width:1440px;margin:auto;min-height:var(--header-height);padding:12px 40px;display:flex;align-items:center;gap:32px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:1.25rem;font-weight:800;letter-spacing:.03em;white-space:nowrap}.brand img{transition:transform .3s}.brand:hover img{transform:rotate(-9deg)}.brand-light{font-weight:400}.desktop-nav{display:flex;gap:34px;margin:auto;font-size:.875rem;font-weight:600}.desktop-nav a{position:relative;padding:12px 0;transition:color .2s}.desktop-nav a::after{content:"";position:absolute;height:2px;background:var(--accent);bottom:4px;left:0;right:0;transform:scaleX(0);transform-origin:left;transition:transform .25s}.desktop-nav a:hover{color:var(--accent)}.desktop-nav a:hover::after,.desktop-nav a:focus-visible::after{transform:scaleX(1)}.header-actions{display:flex;align-items:center;gap:20px}.button{display:inline-flex;align-items:center;justify-content:center;gap:11px;min-height:56px;padding:14px 28px;color:#15281b;background:var(--accent);border:1px solid transparent;border-radius:7px;font-weight:700;font-size:1rem;transition:background .22s,transform .22s,box-shadow .22s;cursor:pointer}.button:hover{background:#baf9c4;transform:translateY(-3px);box-shadow:0 10px 28px #a1ecad24}.button-small{min-height:44px;padding:10px 20px;font-size:.875rem}.button-outline{color:#fff;background:#ffffff0b;border-color:#ffffff55;backdrop-filter:blur(8px)}.button-outline:hover{background:#ffffff1a;box-shadow:none}.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:6px;background:none;color:inherit;cursor:pointer;padding:11px}.menu-toggle span{display:block;height:2px;background:currentColor;margin:5px 0;transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.mobile-nav{padding:8px 24px 20px}.mobile-nav a{display:block;padding:12px;border-bottom:1px solid var(--line)}
.hero{position:relative;min-height:740px;min-height:calc(100svh - var(--header-height));max-height:960px;display:flex;align-items:center;justify-content:center;isolation:isolate;overflow:hidden}.hero-scene{position:absolute;inset:0;z-index:-2;background:url("assets/background.png") center 58%/cover;animation:scene-in 1.8s ease-out both}.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#0b181044 0%,#0c170d75 36%,#0f1811b0 74%,var(--bg) 100%),linear-gradient(90deg,#08100b40,#08100b20)}.hero-content{text-align:center;padding:40px 24px 112px;animation:content-in .8s .12s both}.hero-eyebrow{color:#e0eddf;letter-spacing:.25em}.hero-logo{margin:17px auto 8px;filter:drop-shadow(0 0 35px #b5ffba35);transition:transform .4s}.hero-logo:hover{transform:scale(1.06) rotate(-4deg)}.hero h1{font-size:clamp(3.5rem,6.3vw,6rem);font-weight:800;line-height:1.08;letter-spacing:-.055em}.hero h1 span{font-weight:350}.hero h2{font-size:clamp(1.4rem,2.5vw,2rem);letter-spacing:.06em;margin-top:20px;font-weight:600}.hero p{font-size:1rem;color:#e0e6dc;margin-top:17px;line-height:1.9}.hero-actions{display:flex;justify-content:center;gap:14px;margin-top:29px}.hero-meta{display:block;margin-top:23px;font-size:.75rem;letter-spacing:.12em;color:#d0ddcd}.hero-meta span{padding-inline:12px}.hero-bottom{position:absolute;bottom:29px;display:flex;align-items:center;justify-content:space-between;color:#b7c3b8;font-size:.8125rem}.scene-note{font-size:.75rem;letter-spacing:.12em}.scroll-cue{display:flex;align-items:center;gap:10px;padding:8px;transition:color .2s}.scroll-cue:hover{color:var(--accent)}.scroll-cue svg{animation:nudge 2.5s infinite}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:34px}.section-heading h2{font-size:clamp(1.65rem,3vw,2.3rem);letter-spacing:-.03em;margin-top:12px;font-weight:650}.section-heading>p{font-size:.9375rem;color:var(--muted);line-height:1.8}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:28px 23px 25px;transition:transform .25s,border-color .25s,background .25s}.feature-card:hover{transform:translateY(-7px);border-color:#a1ecad55;background:#1d2c22}.feature-icon{height:48px;width:48px;display:grid;place-items:center;color:var(--accent);background:#a1ecad0c;border:1px solid #a1ecad20;border-radius:10px;margin-bottom:28px}.feature-icon svg{width:25px;height:25px}.feature-index{position:absolute;top:31px;right:24px;color:#718979;font-size:.75rem;letter-spacing:.08em}.feature-card h3{font-size:1.05rem;font-weight:650;margin-bottom:14px}.feature-card p{color:var(--muted);font-size:.9375rem;line-height:1.9}.card-label{display:block;font-size:.75rem;color:#b2c4b7;border-top:1px solid var(--line);padding-top:18px;margin-top:23px;letter-spacing:.04em}
.download-section{background:#141e18;border-block:1px solid var(--line)}.download-panel{display:grid;grid-template-columns:1fr 420px;gap:90px;align-items:center}.download-copy h2{font-size:clamp(2.2rem,4vw,3.5rem);line-height:1.3;letter-spacing:-.03em;margin-top:17px}.download-copy>p{color:var(--muted);margin-top:22px}.download-specs{display:flex;gap:27px;margin-top:33px;font-size:.8125rem;color:var(--muted)}.download-specs strong{color:var(--text);display:block;font-size:1rem;font-weight:550;margin-top:4px}.download-card{position:relative;background:linear-gradient(145deg,#25392b,#1b2920);border:1px solid #a1ecad38;border-radius:14px;padding:34px;box-shadow:0 24px 80px #0002}.download-platform{display:flex;gap:18px;align-items:center;padding-bottom:27px;border-bottom:1px solid #ffffff1a}.windows-icon{width:38px;height:38px;fill:var(--accent);stroke:none}.download-platform h3{font-size:1.5rem}.download-platform span{font-size:.875rem;color:var(--muted)}.download-status{margin-top:24px;font-size:.9375rem;color:#e1e8df}.download-button{width:100%;margin-top:19px}.button:disabled{cursor:not-allowed;background:#81958a;color:#17231b;box-shadow:none;transform:none}.download-note{font-size:.8125rem;color:var(--muted);margin-top:14px;margin-bottom:17px}.text-link{color:var(--accent);font-size:.875rem;text-underline-offset:5px;transition:color .2s}.text-link:hover{color:#d5ffdc;text-decoration:underline}
.faq{max-width:1050px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0 3px}summary{list-style:none;cursor:pointer;font-size:1.0625rem;font-weight:550;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:24px 0;transition:color .2s}summary::-webkit-details-marker{display:none}summary:hover{color:var(--accent)}details p{color:var(--muted);max-width:840px;padding:0 38px 24px 0;line-height:1.9;font-size:.9375rem}.faq-plus{flex-shrink:0;position:relative;width:20px;height:20px}.faq-plus::before,.faq-plus::after{content:"";position:absolute;top:9px;left:3px;width:14px;height:2px;background:var(--accent);transition:transform .2s}.faq-plus::after{transform:rotate(90deg)}details[open] .faq-plus::after{transform:rotate(0)}
.community{padding-top:14px}.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.community-card{display:flex;align-items:flex-start;flex-wrap:wrap;gap:21px;padding:27px 25px;border:1px solid var(--line);border-radius:10px;background:var(--surface);transition:transform .25s,border-color .25s,background .25s}.community-card:hover{transform:translateY(-6px);border-color:var(--social);background:#1d2c22}.discord-card{--social:#b8b1ff}.bili-card{--social:#ff9ebc}.github-card{--social:#d5e4d9}.social-symbol{width:34px;height:34px;font-size:2.5rem;line-height:1;flex-shrink:0;font-weight:700;color:var(--social)}.code-symbol{font-size:1.4rem;line-height:1.5;letter-spacing:-.09em}.community-card h3{font-size:1.125rem}.community-card p{font-size:.875rem;color:var(--muted);margin-top:8px}.social-action{margin-top:8px;font-size:.8125rem;color:var(--social);border-top:1px solid var(--line);padding-top:18px;width:100%}.thanks-banner{display:flex;gap:24px;align-items:center;margin-top:30px;padding:25px 30px;border:1px solid var(--line);border-radius:10px;background:linear-gradient(100deg,#a1ecad0a,transparent);transition:border-color .25s,background .25s}.thanks-banner:hover{border-color:#a1ecad55;background:#a1ecad10}.thanks-mark{font-size:2.2rem;color:var(--accent);line-height:1}.thanks-banner .eyebrow{font-size:.6875rem;letter-spacing:.13em}.thanks-banner p{margin-top:4px;font-size:.9375rem}.thanks-link{margin-left:auto;color:var(--muted);font-size:.8125rem;white-space:nowrap}.site-footer{border-top:1px solid var(--line);padding-block:34px 25px}.footer-top{display:flex;align-items:center;gap:26px}.footer-top>span{color:var(--muted);font-size:.8125rem}.footer-top>.text-link{margin-left:auto}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:27px;padding-top:21px;font-size:.75rem;color:#96a79b}
@keyframes scene-in{from{transform:scale(1.05)}to{transform:scale(1)}}@keyframes content-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}
@media(min-width:1600px){.hero-content{padding-top:65px}.hero-logo{width:170px;height:170px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.header-inner{padding-inline:28px;gap:22px}.desktop-nav{gap:22px}.feature-grid{grid-template-columns:repeat(2,1fr)}.download-panel{grid-template-columns:1fr 380px;gap:45px}.community-grid{gap:14px}.community-card{padding:24px 20px;gap:15px}}
@media(max-width:800px){:root{--header-height:72px}.header-inner{padding-inline:24px;gap:16px}.desktop-nav{display:none}.header-actions{margin-left:auto;gap:12px}.menu-toggle{display:block}.brand{font-size:1.1rem}.brand img{width:34px;height:34px}.section{padding-block:64px}.section-heading{display:block}.section-heading>p{margin-top:16px}.download-panel{grid-template-columns:1fr;gap:34px}.download-copy h2 br{display:none}.download-card{max-width:500px;width:100%}.community-grid{grid-template-columns:1fr}.community-card{display:grid;grid-template-columns:36px 1fr auto;align-items:center}.social-action{border:0;padding:0;margin:0;width:auto}.community{padding-top:8px}.hero{min-height:740px;max-height:none}.hero-content{padding-bottom:110px}.hero h1{font-size:4.6rem}.hero-logo{width:134px;height:134px}.thanks-banner{gap:18px}.thanks-link{white-space:normal}.footer-top{flex-wrap:wrap}.footer-top>span{display:none}}
@media(max-width:480px){.container{width:calc(100% - 40px)}.header-inner{padding-inline:16px;gap:9px}.brand{gap:5px;font-size:.92rem}.brand img{width:32px;height:32px}.button-small{padding:9px 12px;min-height:40px;font-size:.75rem}.header-actions{gap:9px}.menu-toggle{width:40px;height:40px;padding:9px}.hero{min-height:710px}.hero-scene{background-position:44% center}.hero-content{padding-inline:20px}.hero-eyebrow{font-size:.625rem}.hero h1{font-size:3.8rem}.hero h2{font-size:1.375rem;letter-spacing:.02em}.hero p{font-size:.9375rem}.hero-logo{width:122px;height:122px;margin-top:22px;margin-bottom:14px}.hero-actions{gap:10px}.hero-actions .button{padding:12px 18px;font-size:.9375rem;min-height:52px}.hero-meta{font-size:.625rem}.scene-note{font-size:.6875rem}.scroll-cue{font-size:.75rem;gap:4px}.feature-grid{grid-template-columns:1fr;gap:14px}.feature-card{padding:24px}.feature-icon{margin-bottom:21px}.section{padding-block:52px}.section-heading{margin-bottom:27px}.section-heading h2{font-size:1.65rem}.section-heading>p{font-size:.875rem}.download-copy h2{font-size:2.2rem}.download-card{padding:27px 24px}.download-specs{gap:35px}.community{padding-top:0}.community-card{grid-template-columns:32px 1fr;gap:16px}.social-action{grid-column:2}.thanks-banner{padding:23px 20px;align-items:flex-start;gap:14px;flex-wrap:wrap}.thanks-mark{font-size:1.75rem}.thanks-banner>div{flex:1}.thanks-link{width:100%;margin-left:42px}.thanks-banner p{font-size:.875rem}.footer-top .brand{font-size:1.05rem}.footer-bottom{flex-direction:column;gap:6px}.hero-bottom{bottom:22px}summary{font-size:.9375rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.hero-logo:hover,.button:hover,.feature-card:hover,.community-card:hover,.brand:hover img{transform:none}}
.brand-home-link{position:relative;min-height:44px;flex-shrink:0}
.brand-lockup{position:relative;display:inline-flex;align-items:center;min-height:44px}
.brand-name{transition:transform .28s cubic-bezier(.2,.8,.2,1)}
.brand-home-hint{position:absolute;left:0;right:0;bottom:1px;text-align:left;font-size:8.5px;font-style:italic;font-weight:700;line-height:1.2;letter-spacing:.06em;color:var(--muted);opacity:0;transform:translateY(4px);transition:opacity .24s,transform .28s;pointer-events:none}
.brand-home-link:hover img,.brand-home-link:focus-visible img{transform:none}
.brand-home-link:focus-visible .brand-name{transform:translateY(-6px)}
.brand-home-link:focus-visible .brand-home-hint{opacity:1;transform:translateY(0)}
@media(hover:hover){.brand-home-link:hover .brand-name{transform:translateY(-6px)}.brand-home-link:hover .brand-home-hint{opacity:1;transform:translateY(0)}}
@media(max-width:800px){.brand-home-hint{font-size:7.5px}}
@media(max-width:480px){.brand-home-hint{font-size:6.5px;letter-spacing:0}}
@media(prefers-reduced-motion:reduce){.brand-home-link:hover .brand-name,.brand-home-link:focus-visible .brand-name{transform:none}}