:root{color-scheme:dark;--bg:#14161e;--panel:#1d202b;--text:#f4f2f8;--body:#dddce6;--muted:#b2b0c2;--accent:#c6afff;--line:#373a48;--light:#e8e2f1;--ink:#292035;font:17px/1.85 system-ui,-apple-system,'Segoe UI',sans-serif;font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:28px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}body.modal-open{overflow:hidden}html{scrollbar-gutter:stable}button,a,summary{-webkit-tap-highlight-color:transparent}button{font:inherit}a{color:inherit;text-underline-offset:4px}img{display:block;max-width:100%;height:auto}button,summary,a{touch-action:manipulation}a,button,summary{transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.wrap{width:min(1160px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;z-index:100;padding:12px 18px;background:#fff;color:#16121e}.skip:focus{top:8px}header{border-bottom:1px solid var(--line);background:#11131a}.header-inner{min-height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:750;letter-spacing:-.5px;text-decoration:none;flex-shrink:0}.brand img{object-fit:contain;width:40px;height:40px}.desktop-nav{display:flex;align-items:center;gap:26px;margin-left:auto}.desktop-nav a{font-size:13px;text-decoration:none;color:#c5c2d2}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:var(--accent)}.version-label{font-size:12px;padding-left:24px;border-left:1px solid var(--line);color:var(--muted)}.mobile-menu{display:none}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2.5px;color:var(--accent);margin:0 0 18px}h1,h2,h3{line-height:1.25}h1{font-size:44px;letter-spacing:-1.6px;margin:0 0 28px;font-weight:750}h2{font-size:29px;letter-spacing:-.7px;font-weight:650;margin:0}h3{font-size:22px;letter-spacing:-.35px;margin:38px 0 18px;font-weight:650}.hero{display:grid;grid-template-columns:1.16fr 1fr;gap:48px;align-items:center;padding-block:64px 40px}.hero-copy{grid-column:2;grid-row:1}.hero>figure{grid-column:1;grid-row:1;margin:0;border:1px solid #665576;box-shadow:-14px 14px 0 #2b2239}.hero>figure img{width:100%;object-fit:contain}.hero figure a{display:block}.actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:13px 23px;border:1px solid transparent;border-radius:5px;background:var(--accent);color:#251638;font-size:15px;font-weight:750;text-decoration:none;gap:12px}.button:disabled{opacity:1;cursor:not-allowed}.button:not(:disabled):hover{transform:translateY(-2px);background:#dacaff}.button:not(:disabled):active{transform:translateY(0)}.actions>a:not(.button){font-size:13px;font-weight:650;white-space:nowrap}.actions>a:hover{color:var(--accent)}.specs{display:flex;gap:27px;margin:28px 0 0}.specs div{display:flex;flex-direction:column}.specs dt{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.specs dd{font-size:13px;font-weight:600;margin:0}.intro{width:min(960px,calc(100% - 80px));margin:35px auto 40px;padding:29px 34px;border-left:3px solid var(--accent);background:#20222d;color:var(--body);font-size:17px}.intro p{margin:0 0 22px}.intro p:last-child{margin-bottom:0}.index{margin-block:36px 18px;padding:15px 0;border-block:1px solid var(--line);font-size:13px}.index summary{font-weight:650;cursor:pointer}.index nav{display:grid;grid-template-columns:1fr 1fr;gap:10px 30px;padding:20px 0 6px}.index a{text-decoration:none;color:var(--body)}.index a:hover{color:var(--accent)}.chapter{display:grid;grid-template-columns:280px minmax(0,1fr);gap:72px;padding-block:54px;border-bottom:1px solid var(--line);scroll-margin-top:28px}.chapter-title h2{color:#e5d7ff}.chapter-body{color:var(--body);min-width:0;max-width:760px}.chapter-body p{margin:0 0 24px}.chapter-body p:last-child{margin-bottom:0}.chapter-body>h3:first-child{margin-top:0}.chapter-body>ul:first-child{margin-top:0}ul,ol{padding-left:24px;margin:20px 0 26px}li{padding:7px 0}li::marker{color:var(--accent)}.chapter figure{margin:30px 0}.chapter figure img{width:100%;border-radius:5px}.chapter figure a{display:block}.image-link{cursor:zoom-in;outline-offset:6px}.image-link img{transition:filter .2s ease}.image-link:hover img{filter:brightness(1.04)}.text-link{color:#d7c3ff;text-decoration-thickness:1px;font-weight:600}.text-link:hover{color:#fff;text-decoration-thickness:2px}.subsection{margin:34px 0}.subsection>h3{margin-top:0}.subsection:last-child{margin-bottom:0}.step-group{padding:27px 30px;background:var(--light);color:var(--ink);border-radius:6px;border-left:3px solid #a07aca}.step-group h3{color:#39284d}.step-group li::marker{color:#694486}.step-group .text-link{color:#653b91}.step-group ul{margin-bottom:0}.step-group p:last-child{margin-bottom:0}.chapter-update .chapter-body>ul{padding:22px 28px 22px 44px;background:#242636;border-left:3px solid var(--accent);border-radius:4px}.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px}.pros-cons .list-group{padding:23px 23px 8px;border:1px solid var(--line);border-radius:5px;background:#1e212b}.pros-cons .list-group>p{font-size:20px;font-weight:700;color:#e6d8ff;margin:0}.pros-cons ul{font-size:15px;margin-top:13px}.pros-cons li{padding:9px 0}.faq details{border-top:1px solid #414151;padding:0}.faq summary{list-style:none;padding:22px 38px 22px 0;position:relative;cursor:pointer}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:7px;top:17px;font-size:25px;font-weight:400;color:var(--accent)}.faq details[open] summary:after{content:'−'}.faq summary h3{font-size:18px;margin:0;display:inline;font-weight:650;line-height:1.55;letter-spacing:0}.faq details[open] summary{color:#e4d6ff}.faq .answer{padding:0 0 25px}.faq .answer p{margin:0}.faq summary:hover{color:var(--accent)}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:25px}.breadcrumbs a{color:var(--accent);text-decoration:none}.inner-hero{padding-block:42px 44px;border-bottom:1px solid var(--line);background:#191b25}.inner-hero h1{font-size:44px;max-width:920px;margin:0}.legal-content{width:min(860px,calc(100% - 80px));margin:0 auto;padding-block:18px 50px;color:var(--body)}.legal-content .legal-section{padding-block:34px;border-bottom:1px solid var(--line)}.legal-content h2{font-size:27px;color:#e6d9ff;margin-bottom:22px}.legal-content h3{font-size:20px;color:#f2edf9;margin-top:30px}.legal-content p{margin:0 0 23px}.legal-content p:last-child{margin-bottom:0}.legal-content li{padding-block:7px}.contact-email{padding:19px 23px;border-left:3px solid #a07aca;border-radius:4px;background:var(--light);color:var(--ink);font-weight:650;overflow-wrap:anywhere}.legal-content .subsection{margin:28px 0}.legal-content .subsection:last-child{margin-bottom:0}footer{margin-top:32px;padding:42px 0 35px;border-top:1px solid var(--line);background:#0e1017}footer .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:42px}footer .brand{align-self:start}footer nav{display:flex;flex-direction:column;gap:10px;font-size:13px;color:#c4c1d1}footer nav a{text-decoration:none;align-self:start}footer nav a:hover{color:var(--accent)}.back-top{position:fixed;right:17px;bottom:18px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;z-index:5;background:#b99bea;color:#21132f;text-decoration:none;font-weight:700;box-shadow:0 3px 12px #0003}.back-top:hover{transform:translateY(-3px);background:#d7c4fa}.error-page{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:70px 25px}.error-page h1{font-size:42px;margin:13px 0 22px}.error-number{color:var(--accent);font-size:100px;line-height:1;font-weight:750;letter-spacing:-4px}.error-page p{color:var(--body);margin-bottom:28px}dialog{border:1px solid #4b435b;background:#15151e;color:#f3effa;border-radius:10px;padding:24px;width:min(600px,calc(100% - 28px));max-height:calc(100dvh - 28px)}dialog::backdrop{background:#08080ddf}dialog .close-dialog{position:absolute;right:10px;top:9px;display:grid;place-items:center;border:1px solid #666171;border-radius:50%;background:#22212e;color:white;width:40px;height:40px;font-size:25px;cursor:pointer}.image-dialog{width:min(1280px,calc(100% - 28px));padding:58px 60px 22px;overflow:auto}.image-stage{min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center}.image-stage img{max-width:100%;max-height:calc(100dvh - 190px);width:auto;object-fit:contain;margin:auto}.image-caption{font-size:13px;line-height:1.6;color:#d7d2df;text-align:center;margin:16px 0 0;max-width:80ch}.gallery-status{font-size:14px;color:#dbcaef;text-align:center;margin:8px 0}.image-dialog .gallery-prev,.image-dialog .gallery-next{position:absolute;top:42%;width:40px;height:48px;border:1px solid #61566f;border-radius:5px;background:#24212f;color:white;font-size:30px;cursor:pointer}.gallery-prev{left:8px}.gallery-next{right:8px}.retry{background:#e4d4ff;color:#2f1e42;border:0;border-radius:4px;padding:10px 18px;font:inherit;cursor:pointer}.download-dialog{padding:32px}.download-dialog h2{padding-right:38px;margin-bottom:24px}.download-identity{display:flex;align-items:center;gap:16px;margin-bottom:20px}.download-identity img{width:60px;height:60px;object-fit:contain}.download-dialog .specs{margin-bottom:24px}.download-dialog .button{width:100%}[hidden]{display:none!important}
@media(max-width:1050px){.wrap{width:calc(100% - 56px)}.desktop-nav{gap:19px}.hero{gap:35px;padding-top:48px}h1{font-size:38px}.chapter{grid-template-columns:235px minmax(0,1fr);gap:40px}.actions{gap:17px}.button{padding-inline:19px}.intro{width:min(960px,calc(100% - 56px))}.version-label{padding-left:18px}.pros-cons{grid-template-columns:1fr}}
@media(max-width:760px){:root{font-size:16px;line-height:1.85;scroll-padding-top:18px}.wrap{width:calc(100% - 36px)}.header-inner{min-height:68px;gap:14px}.brand{font-size:18px}.brand img{width:35px;height:35px}.desktop-nav,.version-label{display:none}.mobile-menu{display:block;margin-left:auto;font-size:14px}.mobile-menu summary{cursor:pointer;padding:10px 0 10px 12px}.mobile-menu nav{position:absolute;right:18px;left:18px;top:68px;z-index:20;padding:20px;background:#252533;border:1px solid #4a4258;border-radius:0 0 5px 5px;box-shadow:0 16px 30px #0005;display:flex;flex-direction:column;gap:9px}.mobile-menu nav a{padding:7px 8px;text-decoration:none;font-size:15px;color:#eee7f8}.hero{display:flex;flex-direction:column;align-items:stretch;gap:30px;padding-block:28px 5px}.hero h1{font-size:35px;line-height:1.15;letter-spacing:-1.05px;margin-bottom:25px}.hero>figure{box-shadow:-6px 6px 0 #2b2239}.eyebrow{font-size:10px;margin-bottom:18px}.actions{gap:14px 20px}.button{min-height:54px;padding:13px 18px;font-size:14px}.actions>a:not(.button){font-size:13px}.specs{gap:26px;margin-top:24px}.specs dt{font-size:9px}.specs dd{font-size:12px}.intro{width:calc(100% - 36px);padding:22px 21px;margin-block:31px 25px;font-size:16px}.intro p{margin-bottom:22px}.index{margin-block:25px 5px}.index nav{grid-template-columns:1fr;gap:9px}.chapter{display:block;padding-block:34px;scroll-margin-top:20px}.chapter-title{margin-bottom:25px}.chapter-title h2{font-size:28px;letter-spacing:-.55px}.chapter-body{font-size:16px}.chapter-body p{margin-bottom:23px}.chapter-body>h3:first-child{margin-top:0}h3{font-size:21px;line-height:1.35}.subsection{margin-block:30px}.step-group{padding:23px 21px}.chapter figure{margin:25px 0}.chapter-update .chapter-body>ul{padding:16px 22px 16px 38px}.pros-cons{gap:16px}.pros-cons ul{font-size:16px}.faq summary{padding-block:21px}.faq summary h3{font-size:17px}.breadcrumbs{font-size:12px;margin-bottom:22px}.inner-hero{padding-block:30px 32px}.inner-hero h1{font-size:34px;letter-spacing:-1px}.legal-content{width:calc(100% - 36px);padding-top:0}.legal-content .legal-section{padding-block:30px}.legal-content h2{font-size:26px}.legal-content h3{font-size:21px}.contact-email{padding:17px 18px}footer .wrap{grid-template-columns:1fr 1fr;gap:30px 20px}footer .brand{grid-column:1/-1}footer nav{font-size:13px}.back-top{right:9px;bottom:12px;width:36px;height:36px}.image-dialog{padding:59px 40px 18px;width:calc(100% - 16px);max-height:calc(100dvh - 16px)}.image-dialog .gallery-prev,.image-dialog .gallery-next{width:32px;height:43px}.gallery-prev{left:3px}.gallery-next{right:3px}.image-caption{font-size:12px}.image-stage img{max-height:calc(100dvh - 220px)}.download-dialog{padding:25px}.error-number{font-size:80px}.error-page h1{font-size:32px}}
@media(max-width:359px){.hero h1{font-size:32px;line-height:1.15}.actions{gap:12px}.actions .button{padding-inline:15px}.specs{gap:20px}.chapter-title h2{font-size:26px}.step-group{padding-inline:18px}.header-inner{gap:9px}}
/* Heading hierarchy and interaction feedback. */
.hero h1,.inner-hero h1{color:#faf7ff;text-shadow:0 2px 22px #b995ef12}
.hero h1::after,.inner-hero h1::after{content:"";display:block;width:80px;height:4px;margin-top:22px;border-radius:3px;background:linear-gradient(90deg,#dfceff,#9971d4)}
.chapter-title h2,.legal-content h2{padding:19px 18px 20px;border-inline-start:4px solid #b99be8;border-radius:0 7px 7px 0;background:linear-gradient(105deg,#b99be81c,#b99be806);color:#eddefe;font-weight:700}
.subsection>h3{padding:12px 16px;border-inline-start:3px solid #9d7bcb;border-radius:0 5px 5px 0;background:linear-gradient(90deg,#bda1ff12,#bda1ff03);color:#f0e8fc;font-weight:700;line-height:1.4}
.step-group>h3{color:#39284d;background:#ffffff66;border-inline-start-color:#9166b8;margin-bottom:22px}
.desktop-nav a{position:relative;padding-block:9px}
.desktop-nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.desktop-nav a[aria-current="page"]::after,.desktop-nav a:focus-visible::after{transform:scaleX(1)}
.button{transition:transform .18s ease,background-color .18s ease,box-shadow .22s ease}
.button:not(:disabled):active{transform:translateY(1px) scale(.985)}
.actions>a:not(.button){text-decoration-thickness:1px;transition:color .18s ease,text-decoration-color .18s ease}
.actions>a:not(.button) span{display:inline-block;transition:transform .2s ease}
.image-link{border-radius:5px;transition:transform .24s ease,box-shadow .24s ease}
.text-link{transition:color .18s ease,text-decoration-color .18s ease;text-decoration-color:#b79ad7}
.faq details{margin:10px 0;border:1px solid #454151;border-radius:7px;background:#1b1d27;transition:border-color .2s ease,background-color .2s ease}
.faq details[open]{border-color:#9476b8;background:#22202e}
.faq summary{padding:19px 55px 19px 18px;border-radius:6px;transition:color .18s ease,background-color .18s ease}
.faq summary::after{right:15px;top:18px;width:27px;height:27px;display:grid;place-items:center;font-size:23px;line-height:1;border-radius:50%;background:#bda1ff14;transition:transform .2s ease,background-color .2s ease,color .2s ease}
.faq details[open] summary::after{transform:rotate(180deg);background:#c6afff;color:#2d1f3e}
.faq summary h3{padding:0;border:0;background:none;color:inherit}
.faq .answer{padding:0 18px 23px}
.faq details[open] .answer{animation:answer-enter .22s ease-out}
.mobile-menu[open]>summary{color:var(--accent);background:#c6afff10;border-radius:5px}
.mobile-menu[open] nav,.index[open] nav{animation:menu-enter .2s ease-out}
dialog[open]{animation:dialog-enter .2s ease-out}
.gallery-image:not([hidden]){animation:image-enter .22s ease-out}
.chapter-title h2:target,.legal-content h2:target,.subsection>h3:target{animation:heading-target .8s ease-out}
dialog button{transition:transform .16s ease,background-color .18s ease,border-color .18s ease}
dialog button:active{transform:scale(.94)}
@keyframes answer-enter{from{opacity:.72;transform:translateY(-4px)}to{opacity:1;transform:none}}
@keyframes menu-enter{from{opacity:.75;transform:translateY(-5px)}to{opacity:1;transform:none}}
@keyframes dialog-enter{from{opacity:.75;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}
@keyframes image-enter{from{opacity:.8;transform:translateY(4px)}to{opacity:1;transform:none}}
@keyframes heading-target{from{box-shadow:0 0 0 4px #c6afff35}to{box-shadow:0 0 0 0 #c6afff00}}
@media(hover:hover) and (pointer:fine){
 .desktop-nav a:hover::after{transform:scaleX(1)}
 .button:not(:disabled):hover{box-shadow:0 8px 22px #ba91ff22}
 .actions>a:not(.button):hover span{transform:translate(2px,-2px)}
 .image-link:hover{transform:translateY(-3px);box-shadow:0 10px 26px #0003,0 0 0 1px #ac8ad663}
 .faq summary:hover{background:#bda1ff09}
 .text-link:hover{color:#f3eaff;text-decoration-color:#ead9ff}
 .mobile-menu nav a:hover{background:#bda1ff14;border-radius:4px}
 dialog button:hover{background:#41324f;border-color:#c6afff}
 dialog .retry:hover{background:#f1e6ff;color:#2f1e42}
}
@media(max-width:760px){
 .hero h1::after,.inner-hero h1::after{width:62px;height:3px;margin-top:18px}
 .chapter-title h2,.legal-content h2{padding:16px 16px 17px}
 .subsection>h3{padding:11px 14px}
 .faq summary{padding:18px 51px 18px 15px}
 .faq summary::after{right:12px;top:18px;width:25px;height:25px}
 .faq .answer{padding:0 15px 21px}
}
.back-top-label{display:none}
@media(max-width:1279px){.back-top{position:static;right:auto;bottom:auto;margin:20px 18px 24px auto;display:flex;gap:10px;align-items:center;justify-content:center;width:max-content;height:44px;padding:0 17px;border-radius:5px}.back-top-label{display:inline;font-size:13px}}
/* Shared header download action. */
.header-download{min-height:44px;padding:9px 16px;font-size:13px;line-height:1.5;gap:8px;white-space:nowrap;flex-shrink:0}
@media(min-width:761px) and (max-width:1100px){.header-inner{gap:18px}.desktop-nav{gap:15px}.version-label{display:none}}
@media(max-width:900px){.desktop-nav,.version-label{display:none}.header-download{margin-left:auto}.mobile-menu{display:block;margin-left:0;font-size:14px}.mobile-menu summary{cursor:pointer;padding:10px 0 10px 8px}.mobile-menu nav{position:absolute;right:18px;left:18px;top:78px;z-index:20;padding:20px;background:#252533;border:1px solid #4a4258;border-radius:0 0 5px 5px;box-shadow:0 16px 30px #0005;display:flex;flex-direction:column;gap:9px}.mobile-menu nav a{padding:7px 8px;text-decoration:none;font-size:15px;color:#eee7f8}}
@media(max-width:760px){.header-inner{gap:10px}.header-download{min-height:44px;padding:9px 12px;font-size:12px}.mobile-menu nav{top:68px}.mobile-menu summary{padding-left:5px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}