*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;font-family:Arial,"Segoe UI",sans-serif;font-size:17px;line-height:1.75;background:var(--bg);color:var(--text)}.mode-a{--bg:#09131e;--surface:#111f2d;--text:#e5ecf4;--muted:#adbacb;--line:#2b3a49;--accent:#e1aa5b;--button:#f0b564;--button-text:#17120a}.mode-b{--bg:#faf9f5;--surface:#fff;--text:#252a2c;--muted:#596366;--line:#dedfd6;--accent:#166352;--button:#166352;--button-text:#fff}a{color:inherit}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}.header-inner{max-width:1280px;margin:auto;padding:17px 36px;display:flex;align-items:center;gap:36px}.brand{font-size:29px;letter-spacing:-1.4px;font-weight:800;text-decoration:none;line-height:1}.brand 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var(--line);border-radius:50%;width:44px;height:44px;display:grid;place-items:center;text-decoration:none}.skip{position:fixed;left:15px;top:-80px;z-index:99;background:var(--button);color:var(--button-text);padding:10px}.skip:focus{top:12px}.mobile-menu{display:none}.mode-b .hero{max-width:100%;padding-top:56px;border-bottom:1px solid var(--line)}.mode-b h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(38px,4.8vw,66px);max-width:850px;margin:0 auto 28px}.mode-b .hero-heading{text-align:center}.mode-b .specs{max-width:880px;margin:32px auto 36px;padding:18px 28px;border-left:4px solid var(--accent);border-radius:0}.mode-b .hero .lead{max-width:820px;margin:auto}.mode-b .hero>figure{max-width:880px;margin:32px auto 0}.mode-b .reading-layout{display:grid;grid-template-columns:250px minmax(0,820px);gap:65px;padding-top:44px}.mode-b aside{align-self:start;position:sticky;top:120px}.mode-b .toc{border:0;border-left:1px solid var(--line);background:transparent;border-radius:0;padding:0 0 0 20px}.mode-b h2{font-family:Georgia,serif;font-weight:400;font-size:36px}.mode-b h3{font-family:Georgia,serif;font-weight:400}.mode-b article h2:first-child{margin-top:0}.mode-b .source-long-heading{font-family:Arial,sans-serif;font-size:17px}
@media(max-width:1000px){.nav-label{display:none}.header-inner>.cta{margin-left:auto}.mode-a .hero{gap:28px}.mode-b .reading-layout{grid-template-columns:200px minmax(0,1fr);gap:36px}}
@media(max-width:700px){html{scroll-padding-top:100px}.header-inner{padding:12px 18px;gap:14px}.brand{font-size:24px}.header-inner .cta{font-size:12px;padding:10px 12px;min-height:43px;gap:6px}.header-inner .cta svg{width:17px;height:17px}.mobile-menu{display:block}.mobile-menu>summary{font-size:21px;min-width:28px;min-height:40px;display:grid;place-items:center}.mobile-menu[open] nav{position:absolute;top:100%;left:0;right:0;max-height:65vh;overflow:auto;background:var(--surface);border-bottom:1px solid var(--line);padding:18px 24px}.mobile-menu a{display:block;text-decoration:none;font-size:14px;line-height:1.5;padding:10px 0}.page-shell{padding:0 22px}.hero,.mode-b .hero{padding:34px 0 30px}.mode-a .hero{display:block}.mode-a .hero-media{position:static;padding-top:10px}h1,.mode-b h1{font-size:35px;line-height:1.14;margin-bottom:22px;letter-spacing:-.035em}.hero .lead{font-size:16px;line-height:1.8}.hero-copy>.cta{margin-bottom:24px}.hero .cta{font-size:14px}.mode-a .hero-media figure{margin-top:10px}.specs{padding:18px}dl{gap:14px;flex-wrap:wrap}dl>div{min-width:100px}dt{font-size:10px}dd{font-size:13px}.mode-a .toc nav{display:block}.toc{padding:16px 18px}.toc nav{max-height:48vh;overflow:auto}body{font-size:16px;line-height:1.8}h2,.mode-b h2{font-size:29px;margin-top:44px}h3,.mode-b h3{font-size:23px}figure{margin:24px 0}td{padding:12px;font-size:13px}.mode-b .hero-heading{text-align:left}.mode-b .specs{padding:18px;margin:28px 0}.mode-b .hero>figure{margin-bottom:0}.mode-b .reading-layout{display:block;padding-top:26px}.mode-b aside{position:static;margin-bottom:32px}.mode-b .toc{border:1px solid var(--line);padding:16px 18px;background:#fff}.mode-a aside{margin-top:28px}.source-long-heading,.mode-b .source-long-heading{font-size:16px}footer{margin-top:50px;padding:28px 22px 70px;display:block}footer p{margin-top:20px}.top{right:15px;bottom:15px}.faq h3,.mode-b .faq h3{font-size:19px}.mode-b article h2:first-child{margin-top:24px}}
@media(max-width:360px){.header-inner{padding:10px 12px;gap:8px}.header-inner .brand{font-size:21px}.header-inner .cta{font-size:11px;padding:10px;gap:5px}.header-inner .cta svg{width:15px}.page-shell{padding:0 18px}h1,.mode-b h1{font-size:31px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
.desktop-nav{display:flex;gap:26px;margin-left:auto;align-items:center}.desktop-nav a{font-size:14px;text-decoration:none;color:var(--muted);padding:8px 0}.desktop-nav a[aria-current]{color:var(--accent);box-shadow:0 2px var(--accent);font-weight:700}.desktop-nav a:hover{color:var(--text)}.header-inner{gap:30px}.breadcrumb{display:flex;gap:13px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding:25px 0 0}.breadcrumb a{text-decoration:none}.inner-hero{padding-top:34px}.inner-hero .hero-copy h1{font-size:clamp(34px,3.4vw,48px)}.inner-hero .hero-copy>.cta{margin-bottom:25px}.inner-hero .hero-media{padding-top:4px}.inner-hero{grid-template-columns:1.4fr .7fr!important}.inner-hero:has(.hero-copy:only-child){display:block}.inner-hero:has(.hero-copy:only-child) .hero-copy{max-width:900px}.inner-hero:has(.hero-copy:only-child) h1{max-width:900px}.body-link{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}.legal-heading{max-width:820px;margin:45px auto 30px}.legal-heading h1{font-size:44px}.legal-layout article>p:first-child{margin-top:35px}th{font-weight:700;color:var(--text);background:var(--surface);padding:12px 18px;text-align:left}td:first-child{font-weight:500}.table-wrap:focus-visible{outline:2px solid var(--accent)}.image-link{display:block;cursor:zoom-in;border-radius:8px}.image-link:hover{outline:1px solid var(--accent);outline-offset:3px}.image-link img{transition:filter .2s}.image-link:hover img{filter:brightness(1.04)}.top{z-index:15;line-height:1;font-size:22px}.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:60px;width:100%}.footer-top p{font-size:13px;margin:20px 0 0}.footer-top nav{display:flex;align-items:start;justify-content:flex-end;gap:16px 28px;flex-wrap:wrap;max-width:640px;margin-left:auto}.footer-top nav a{font-size:14px;text-decoration:none}.footer-top nav a:hover{color:var(--accent)}.error-content{min-height:55vh;padding-top:70px}.error-code{font-size:18px;color:var(--accent);letter-spacing:4px}.error-content h1{font-size:52px}.error-content .cta{margin-top:10px}dialog{border:1px solid var(--line);border-radius:12px;padding:36px;background:var(--surface);color:var(--text);max-width:min(520px,calc(100vw - 32px));max-height:90dvh;box-shadow:0 20px 100px #0008;overflow:auto}dialog::backdrop{background:#000c}dialog h2{font-size:28px;margin:8px 30px 24px 0}dialog p{font-size:16px}button{font:inherit;cursor:pointer}.dialog-close{position:absolute;top:10px;right:10px;border:0;background:transparent;color:var(--text);width:42px;height:42px;font-size:28px;line-height:1}.dialog-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:25px}.secondary{border:1px solid var(--line);border-radius:6px;color:var(--text);background:transparent;padding:10px 18px;font-size:15px}#image-dialog{width:1100px;max-width:calc(100vw - 32px);padding:54px 26px 20px}#image-dialog figure{margin:0}#viewer-image{display:block;width:auto;max-width:100%;max-height:65dvh;margin:auto;height:auto;object-fit:contain}#image-description{font-size:14px;color:var(--muted);text-align:center;margin:16px 0 0;line-height:1.5}.viewer-controls{display:flex;gap:30px;justify-content:center;align-items:center;margin-top:15px}.viewer-controls button{border:1px solid var(--line);border-radius:50%;width:44px;height:44px;color:var(--text);background:var(--bg);font-size:20px}#image-count{font-size:13px;min-width:45px;text-align:center}body.modal-open{overflow:hidden}body.no-dialogs dialog{display:none}dialog:not([open]){display:none}.faq summary{min-height:34px}.hero-copy .lead p:last-child{margin-bottom:0}.inner-hero dl{display:grid;gap:22px}.hero-media .specs dd{font-size:16px}.faq:target{outline:1px solid var(--accent)}.toc a{min-height:32px}.legal-layout .toc nav{grid-template-columns:1fr 1fr}.error-page footer{margin-top:20px}
@media(min-width:701px){.inner-hero .hero-media{position:static}.inner-hero .hero-copy{padding-right:20px}}
@media(max-width:1000px){.desktop-nav{gap:18px}.header-inner{gap:20px}.header-inner>.cta{margin-left:0}.inner-hero{grid-template-columns:1fr 250px!important}}
@media(max-width:700px){.desktop-nav{display:none}.header-inner{gap:14px}.header-inner>.cta{margin-left:auto}.header-inner .cta{font-size:13px;padding:10px 14px}.inner-hero{display:block!important}.inner-hero .hero-copy h1{font-size:34px}.inner-hero .hero-media{padding-top:28px}.inner-hero dl{display:flex}.hero-media .specs dd{font-size:14px}.breadcrumb{padding-top:22px}.legal-heading{margin:28px 0 22px}.legal-heading h1{font-size:34px}.legal-layout .toc nav{display:block}.footer-top{grid-template-columns:1fr;gap:28px}.footer-top nav{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;margin:0}.footer-top nav a{font-size:14px}.error-content{padding-top:48px}.error-content h1{font-size:37px}.legal-layout article>p:first-child{margin-top:30px}dialog{padding:30px 24px}#image-dialog{padding:54px 16px 18px}.dialog-actions{flex-wrap:wrap}.source-long-heading{font-weight:400!important}th{font-size:14px}}
@media(max-width:360px){.header-inner{padding:10px 12px;gap:9px}.header-inner .cta{font-size:12px;padding:10px 12px}.inner-hero .hero-copy h1{font-size:31px}.mobile-menu>summary{min-width:28px}}
article h1{font-size:34px;margin:66px 0 24px}@media(max-width:700px){article h1{font-size:29px;margin-top:44px}}
@media(max-width:700px){
  .mode-a .hero{display:flex!important;flex-direction:column;gap:0}
  .hero .hero-copy{display:contents}
  .hero-copy>h1{order:0}
  .hero-copy>.cta{order:1;align-self:center}
  .mode-a .hero .hero-media{order:2;position:static;padding-top:0;width:100%;margin-bottom:26px}
  .hero-copy>.lead{order:3;width:100%}
  .mode-a .hero-media figure{margin-top:0}
}
.content-list{margin:22px 0 30px;padding:0;list-style:none}
.content-list>li{margin:0;padding:0;min-width:0}
.list-tags{display:flex;flex-wrap:wrap;gap:10px 12px}
.list-tags>li{display:flex;align-items:center;gap:10px;padding:8px 15px;border:1px solid var(--line);border-radius:24px;background:var(--surface);line-height:1.5;font-size:15px}
.list-tags>li::before{content:'';flex:0 0 5px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.list-categories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.list-categories>li{position:relative;display:flex;align-items:center;gap:13px;padding:17px 19px;background:var(--surface);border:1px solid var(--line);border-radius:7px;line-height:1.5}
.list-categories>li::before{content:'';width:9px;height:9px;flex:0 0 9px;border:1px solid var(--accent);border-radius:2px;background:#e1aa5b16}
.list-platforms{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.list-platforms>li{padding:14px 12px;text-align:center;line-height:1.5;font-size:15px;font-weight:700;border-radius:5px;border:1px solid var(--line);background:var(--surface)}
.list-points,.list-devices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}
.list-points>li,.list-devices>li{position:relative;line-height:1.75;padding:16px 0 16px 23px;border-bottom:1px solid var(--line)}
.list-points>li::before{content:'';position:absolute;left:0;top:27px;width:7px;height:7px;border:1px solid var(--accent);border-radius:50%}
.list-devices>li::before{content:'';position:absolute;left:0;top:26px;width:7px;height:7px;background:var(--accent);border-radius:1px}
.list-plain>li{position:relative;padding:6px 0 6px 23px}
.list-plain>li::before{content:'';position:absolute;left:1px;top:19px;width:6px;height:6px;background:var(--accent);border-radius:1px}
.list-section{margin:30px 0 16px;border-left:3px solid var(--accent);padding-left:18px}
.list-section>li>h3{margin:0;font-size:24px}
.list-steps{counter-reset:installation-step}
.list-steps>li{position:relative;counter-increment:installation-step;padding:0 0 24px 54px;line-height:1.8;min-height:58px}
.list-steps>li::before{content:counter(installation-step);position:absolute;left:0;top:0;display:grid;place-items:center;width:32px;height:32px;border:1px solid #e1aa5b66;border-radius:50%;background:#1d2b35;color:var(--accent);font-size:14px;font-weight:700;line-height:1}
.list-steps>li:not(:last-child)::after{content:'';position:absolute;left:16px;top:39px;bottom:6px;width:1px;background:var(--line)}
.list-steps>li:last-child{padding-bottom:0;min-height:32px}
.list-steps>li>h3{font-size:inherit;line-height:inherit;font-weight:400;letter-spacing:0;margin:0}
@media(max-width:700px){.list-categories{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.list-categories>li{padding:13px 12px;font-size:15px;gap:10px}.list-platforms{grid-template-columns:repeat(2,minmax(0,1fr))}.list-tags{gap:9px}.list-tags>li{font-size:14px;padding:7px 12px;gap:8px}.list-points,.list-devices{grid-template-columns:1fr}.list-steps>li{padding-left:46px}.list-section>li>h3{font-size:23px}}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{display:block;flex:0 0 48px;width:48px;height:48px;object-fit:contain}
.header-inner{padding-top:14px;padding-bottom:14px}
@media(max-width:700px){.brand{gap:8px}.brand-logo{width:38px;height:38px;flex-basis:38px}.header-inner{padding-top:12px;padding-bottom:12px}.header-inner .brand{font-size:23px}}
@media(max-width:360px){.brand-logo{width:34px;height:34px;flex-basis:34px}.header-inner .brand{font-size:20px}.header-inner{padding-top:10px;padding-bottom:10px}}
@media(min-width:701px){
  .inner-hero:has(.hero-copy:only-child){padding-top:44px;padding-bottom:48px}
  .inner-hero:has(.hero-copy:only-child) .hero-copy{display:flex;flex-direction:column;align-items:center;width:100%;max-width:820px;margin-inline:auto;padding-right:0}
  .inner-hero:has(.hero-copy:only-child) h1{max-width:820px;text-align:center;margin-bottom:26px}
  .inner-hero:has(.hero-copy:only-child) .hero-copy>.cta{margin-bottom:34px}
  .inner-hero:has(.hero-copy:only-child) .lead{width:100%;text-align:left}
}
.reader-module{margin:30px 0}
.device-guide{margin:42px 0 48px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.device-guide>h2:first-child{margin:0 0 20px;font-size:26px;line-height:1.3}
.device-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.device-link{display:grid;grid-template-columns:34px minmax(0,1fr) 18px;align-items:center;gap:14px;min-height:94px;padding:17px 18px;border:1px solid var(--line);border-radius:8px;background:var(--surface);text-decoration:none}
.device-link:hover{border-color:var(--accent)}
.device-icon{display:block;width:30px;height:30px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.device-label{min-width:0}.device-label strong{display:block;font-size:17px;line-height:1.4;letter-spacing:0}.device-label>span{display:block;margin-top:5px;font-size:14px;line-height:1.5;color:var(--muted)}
.device-arrow{font-size:20px;color:var(--accent);line-height:1}
.install-prep{padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.install-prep h3{font-size:21px;line-height:1.35;margin:0 0 20px}
.prep-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;list-style:none;padding:0;margin:0}
.prep-list>li{padding:0;margin:0;min-width:0}.prep-list strong{display:block;margin-bottom:7px;font-size:15px;line-height:1.4}.prep-list p{margin:0;font-size:14px;line-height:1.7;color:var(--muted)}
.module-label{font-size:14px;color:var(--muted);margin:0 0 10px;line-height:1.5}
.problem-nav{margin:26px 0 14px}.problem-nav+.table-wrap{margin-top:14px}
.problem-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.problem-links a{display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:6px;text-decoration:none;font-size:14px;line-height:1.45;background:var(--surface)}
.problem-links a:hover{border-color:var(--accent)}.problem-links a span{color:var(--accent)}
.table-wrap tr[id]{scroll-margin-top:110px}.table-wrap tr:target{background:#e1aa5b14;outline:2px solid var(--accent);outline-offset:-2px}
@media(max-width:580px){.device-guide{margin-top:30px;padding-bottom:26px}.device-guide>h2:first-child{font-size:23px}.device-links{grid-template-columns:1fr;gap:10px}.device-link{min-height:80px;padding:14px;gap:12px}.device-label strong{font-size:16px}.device-label>span{margin-top:3px}.install-prep{padding:18px}.install-prep h3{font-size:20px;margin-bottom:16px}.prep-list{grid-template-columns:1fr;gap:16px}.prep-list>li+li{border-top:1px solid var(--line);padding-top:16px}.prep-list strong{margin-bottom:5px}.problem-links{gap:7px}.problem-links a{padding:10px;font-size:14px}.table-wrap tr[id]{scroll-margin-top:100px}}
@media(max-width:360px){.problem-links{grid-template-columns:1fr}}