:root{color-scheme:light;--bg:#f8f8fa;--paper:#fff;--text:#25252c;--muted:#72727e;--line:#e9e9ee;--pink:#ca3d70;--pink-dark:#a82b59;--pink-soft:#fff3f7;--green:#26755e;--green-soft:#edf8f2;--radius:17px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:14px;line-height:1.6;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse 62% 420px at 48% 0,#fff0f6 0,transparent 100%),var(--bg);color:var(--text)}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}a{color:var(--pink-dark);text-underline-offset:3px}button{cursor:pointer}button:disabled{cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #e88fb1;outline-offset:4px}[hidden]{display:none!important}.topbar{max-width:1200px;margin:auto;height:88px;padding:0 36px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none;font-size:20px;font-weight:750;letter-spacing:-.7px}.brand svg{width:30px;height:30px;stroke:var(--pink);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}.pink{color:var(--pink)}.brand-divider{margin:0 13px;color:#c9c5cd;font-weight:400}.brand-tool{font-size:13px;font-weight:550;letter-spacing:0;color:#75717b}.quiet-link{font-size:12px;text-decoration:none;color:var(--muted)}.quiet-link:hover{color:var(--pink)}.shell{max-width:1128px;margin:auto;padding:0 24px}.hero{padding:39px 0 47px;text-align:center}.eyebrow{font-size:10px;font-weight:750;letter-spacing:2px;color:var(--pink);line-height:1.4}.hero h1{font-size:43px;line-height:1.25;letter-spacing:-1.7px;margin:16px 0;font-weight:740}.hero h1 span{color:var(--pink)}.hero>p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}.mobile-break{display:none}.hero-badges{display:flex;gap:9px;justify-content:center;margin-top:21px;flex-wrap:wrap}.badge{font-size:11px;font-weight:560;display:inline-flex;align-items:center;gap:7px;background:var(--green-soft);color:var(--green);border:1px solid #d8ece2;border-radius:30px;padding:5px 12px}.badge:before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}.badge.neutral{background:#fff9fb;border-color:#efdee5;color:#9b6277}.badge.unsupported{background:#fff3e4;border-color:#f0dfc6;color:#93632c}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 302px;gap:24px;align-items:start}.steps{display:grid;gap:17px}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:27px 28px;box-shadow:0 3px 9px #30304002}.section-heading{display:flex;gap:14px;align-items:flex-start;margin-bottom:23px}.step-number{color:var(--pink);background:var(--pink-soft);border:1px solid #f4dfe8;border-radius:9px;display:grid;place-items:center;min-width:34px;height:34px;font-weight:750;font-size:12px}.section-heading h2{margin:0 0 2px;font-size:17px;line-height:1.5;font-weight:700;letter-spacing:-.3px}.section-heading p{margin:0;font-size:12px;color:var(--muted)}fieldset{border:0;margin:0;padding:0;min-width:0}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.choice{position:relative;border:1px solid #dfdfe6;display:flex;gap:15px;border-radius:11px;cursor:pointer;transition:border-color .15s,background .15s}.choice:has(input:checked){border-color:var(--pink);background:#fff9fc;box-shadow:0 0 0 1px var(--pink)}.choice:has(input:disabled){cursor:default;opacity:.75}.choice:has(input:focus-visible){outline:3px solid #e88fb1;outline-offset:3px}.choice input{position:absolute;opacity:0;width:1px;height:1px}.radio-dot{position:absolute;right:12px;top:13px;border:1.5px solid #cbcad4;border-radius:50%;width:15px;height:15px;background:white}.choice:has(input:checked) .radio-dot{border-color:var(--pink);border-width:4.5px}.device-choice{align-items:center;padding:22px 14px 22px 18px}.device-name{font-size:14px;font-weight:680;line-height:1.6;padding-right:6px}.device-name small{display:block;color:var(--muted);font-size:10px;font-weight:450;white-space:nowrap}.reader-drawing{width:40px;height:57px;background:#f4f2f4;border:1.5px solid #bab4be;border-radius:5px;box-shadow:2px 2px 0 #ddd7de;display:flex;flex-direction:column;align-items:center;padding-top:6px;flex-shrink:0}.reader-drawing>span{font-size:5px;width:29px;height:36px;border:1px solid #d6d0d8;background:white;display:grid;place-items:center;color:#96909b}.reader-drawing>i{width:8px;height:2px;border-radius:2px;background:#bbb5c0;margin-top:5px}.reader-drawing.plus{height:62px;width:43px}.reader-drawing.plus>span{height:40px;width:32px}.instruction{background:#f7f7fa;border:1px solid #eeedf2;border-radius:9px;padding:12px 14px;margin-bottom:17px;font-size:12px;color:#625f6e}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:43px;padding:10px 17px;border:1px solid transparent;border-radius:9px;font-size:12px;font-weight:650;line-height:1.5;transition:background .15s,box-shadow .15s}.button.dark{background:#26252f;color:white;flex:1}.button.dark:hover{background:#45404b}.button.secondary{background:white;border-color:#dedde6;color:#4b4653}.button.secondary:hover{background:#faf7fa}.button.primary{background:var(--pink);color:white;box-shadow:0 4px 13px #ca3d7025}.button.primary:hover{background:var(--pink-dark)}.button:disabled{background:#efedf2;color:#aaa6b1;border-color:#efedf2;box-shadow:none}.button.dark:disabled{background:#e7e4ea;color:#a29baa}.connection-row{display:flex;gap:10px}.connection-status{display:flex;gap:7px;align-items:center;font-size:11px;color:var(--muted);margin-top:13px}.status-dot{width:6px;height:6px;background:#b9b6c1;border-radius:50%;flex-shrink:0}.connected .status-dot{background:#449a7b}.connected{color:var(--green)}.edition-choice{padding:14px 16px}.edition-choice strong{font-size:14px}.edition-choice small{display:block;font-size:11px;color:var(--muted)}.field-label{display:block;margin:18px 0 7px;font-size:11px;font-weight:650;color:#6d6673}select{border:1px solid #dedde6;border-radius:8px;background:white;color:#45404e;padding:11px 13px;width:100%;font-size:12px;min-height:43px}select:disabled{color:#45404e;opacity:1}.install-type{display:flex;align-items:center;gap:11px;margin:18px 0;font-size:12px}.install-type strong{font-weight:650}.install-type p{margin:2px 0 0;color:var(--muted);font-size:11px}.mini-icon{display:grid;place-items:center;min-width:31px;height:31px;border-radius:8px;color:var(--pink);background:var(--pink-soft);font-size:21px}.tag{margin-left:auto;white-space:nowrap;font-size:9px;background:#f2eff5;color:#7c6d88;padding:3px 7px;border-radius:4px}.notice{display:flex;flex-direction:column;gap:5px;border:1px solid;border-radius:9px;padding:13px 15px;font-size:11px;line-height:1.7}.notice strong{font-weight:650}.warning{background:#fff9f0;border-color:#f2e4cc;color:#8e642d}.notice.error{background:#fff0f1;border-color:#f3c4cc;color:#993047;margin-bottom:21px;white-space:pre-line}.notice.success{background:var(--green-soft);color:var(--green);border-color:#d0e7da;margin-top:18px}.notice.success button{align-self:flex-start;margin-top:7px}.download-links{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:11px;margin-top:16px}.download-links>span{color:#c6c0cb}.download-links a,.text-button{color:var(--pink-dark);font-size:11px}.download-links a:not([href]){pointer-events:none;opacity:.5}.text-button{background:none;border:0;padding:0;text-align:left;text-decoration:underline;text-underline-offset:3px}.text-button:disabled{opacity:.4}.micro{font-size:10px;color:#938b9a;margin:8px 0 0;line-height:1.7}.centered{text-align:center}.backup-panel{background:#f8f8fa;border:1px solid #eae8ee;border-radius:10px;padding:15px;display:flex;gap:14px;align-items:center;justify-content:space-between;margin-bottom:19px}.backup-panel strong{font-size:12px}.backup-panel p{font-size:10px;color:var(--muted);margin:3px 0 0}.backup-panel button{font-size:10px;min-height:35px;padding:8px 12px;flex-shrink:0}.confirmation{display:flex;gap:10px;align-items:flex-start;font-size:11px;color:#716b78;line-height:1.8;margin:12px 0}.confirmation input{accent-color:var(--pink);width:15px;height:15px;margin:2px 0 0;flex-shrink:0}.confirmation strong{font-weight:650;color:#4d4555}.flash-button{width:100%;justify-content:space-between;margin-top:13px;font-size:13px;min-height:47px;padding-left:18px;padding-right:18px}.backup-result{border:1px solid #d0e7da;border-radius:9px;padding:14px;margin-bottom:16px;color:var(--green);background:var(--green-soft);font-size:11px}.backup-result>code{display:block;font-size:9px;overflow-wrap:anywhere;margin-top:8px}.backup-result .download-links{margin-top:10px;gap:8px 15px}.progress-area{margin-top:18px}.progress-label{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);margin-bottom:6px}progress{display:block;width:100%;height:7px;appearance:none;border:0;border-radius:7px;overflow:hidden;background:#efebf1}progress::-webkit-progress-bar{background:#efebf1}progress::-webkit-progress-value{background:var(--pink);border-radius:7px}progress::-moz-progress-bar{background:var(--pink);border-radius:7px}.log-card{padding-top:17px;padding-bottom:17px}summary{cursor:pointer;font-size:11px;font-weight:600;list-style:none}summary::-webkit-details-marker{display:none}summary>span{float:right;color:#8e8695}.log-card pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;max-height:240px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;background:#f7f6f9;border-radius:8px;padding:13px;margin:15px 0;color:#67616f}.sidebar{display:grid;gap:20px;position:sticky;top:24px}.summary-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}.summary-card .eyebrow{font-size:9px;letter-spacing:1.7px;color:#a69aa9}.summary-device{font-size:23px;font-weight:730;letter-spacing:-.6px;margin-top:14px}.summary-edition{font-size:12px;color:var(--pink);margin-top:3px}.summary-rule{height:1px;background:var(--line);margin:22px 0 17px}dl{margin:0;font-size:11px}dl>div{display:flex;justify-content:space-between;gap:8px;margin:12px 0}dt{color:#8b828f}dd{margin:0;color:#544c5d;text-align:right;font-weight:550}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.checksum{background:#f8f7fa;border:1px solid #efecf1;border-radius:7px;padding:11px;margin:22px 0 13px}.checksum>span{font-size:9px;color:#8c8295}.checksum>code{display:block;overflow-wrap:anywhere;font-size:9px;color:#6e6379;line-height:1.8;margin-top:6px}.summary-card>a{font-size:10px}.sidebar-note{display:flex;gap:9px;align-items:flex-start;padding:0 7px}.sidebar-note p{margin:0;font-size:10px;line-height:1.8;color:#8c7f91}.sidebar-note strong{font-weight:650;color:#786480}.small-dot{margin-top:6px;width:5px;height:5px;border-radius:50%;background:#b385a3;flex-shrink:0}.help-box{padding:0 7px}.help-box h3{margin:0 0 8px;font-size:12px;font-weight:650;color:#62566b}.help-box p{margin:0 0 9px;font-size:11px;color:#918695;line-height:1.9}.help-box a{font-size:10px}.help-box:target{background:var(--pink-soft);padding:15px;border-radius:10px}footer{display:flex;justify-content:space-between;gap:15px;padding:31px 0 28px;margin-top:20px;border-top:1px solid var(--line);font-size:10px;color:#a299aa}.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}
@media(min-width:1200px){.hero{padding-top:43px;padding-bottom:49px}.workspace{gap:28px}}
@media(max-width:900px){.shell{max-width:760px}.workspace{grid-template-columns:minmax(0,1fr)}.sidebar{position:static;grid-template-columns:1fr 1fr;align-items:start}.summary-card{grid-row:span 3}.sidebar-note,.help-box{padding-right:12px}.hero h1{font-size:38px}.hero{padding:29px 0 34px}}
@media(max-width:560px){.topbar{height:70px;padding:0 20px}.brand{font-size:18px;gap:8px}.brand-tool{font-size:10px}.brand-divider{margin:0 8px}.brand svg{width:25px;height:25px}.topbar>.quiet-link{display:none}.shell{padding:0 14px}.hero{padding:25px 0 29px}.hero h1{font-size:31px;letter-spacing:-1.1px}.hero>p{font-size:12px}.mobile-break{display:initial}.eyebrow{font-size:9px;letter-spacing:1.4px}.badge{font-size:9px;padding:5px 9px}.hero-badges{gap:6px}.card{padding:21px 18px;border-radius:13px}.section-heading{gap:10px;margin-bottom:20px}.section-heading h2{font-size:16px}.section-heading p{font-size:11px}.step-number{min-width:30px;height:30px;font-size:10px}.choice-grid{gap:10px}.device-choice{padding:18px 9px 16px;flex-direction:column;gap:13px;text-align:center}.device-name{font-size:13px;padding:0}.device-name small{font-size:9px}.radio-dot{right:9px;top:9px;width:13px;height:13px}.reader-drawing{margin-right:0}.backup-panel{align-items:flex-start;flex-direction:column;gap:10px}.backup-panel button{width:100%;font-size:11px}.install-type{gap:8px}.install-type p{font-size:10px}.tag{display:none}.sidebar{grid-template-columns:1fr;gap:17px}.summary-card{grid-row:auto;padding:23px}.summary-card dl>div{margin:8px 0}.sidebar-note,.help-box{padding:0 13px}.summary-device{font-size:22px}.checksum{margin-top:16px}.download-links{gap:8px;font-size:10px}footer{flex-direction:column;gap:3px;text-align:center;font-size:9px}.log-card{padding-top:16px;padding-bottom:16px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.disclaimer{border:1px solid #e9dce3;border-radius:9px;background:#fffafd;padding:13px 14px;margin:17px 0}.disclaimer>summary{color:#815a70;font-size:11px;line-height:1.7}.disclaimer-content{max-height:420px;overflow:auto;margin-top:14px;padding:0 9px 0 0;scrollbar-width:thin;font-size:11px;color:#756776}.disclaimer-content h3{font-size:12px;color:#564352;margin:12px 0 8px}.disclaimer-content p{line-height:1.9;margin:0 0 12px}.disclaimer-content section+section{border-top:1px solid #e8dce3;margin-top:20px;padding-top:9px}.confirmation [lang=en]{color:#928797;font-size:10px}

.operation-options{margin-bottom:20px}.advanced{margin-top:17px;border-top:1px solid var(--line);padding-top:13px}.advanced summary{font-size:10px;color:#7a6e82}.advanced dl{margin-top:13px}.write-warning{font-size:11px;line-height:1.8;color:#93632c;background:#fff9f0;padding:11px 13px;border-radius:8px;margin:14px 0}input[type=file]{width:100%;padding:9px;border:1px solid #dedde6;border-radius:8px;font-size:11px;color:#776b80;background:#fff}input[type=file]::file-selector-button{background:#f3edf2;border:0;color:#70576a;padding:7px 10px;margin-right:8px;border-radius:5px;font:inherit;cursor:pointer}.identity-mismatch{background:#fff4e9;color:#93632c;border-color:#edd8ba}.micro{color:#766b7f}.help-box p{color:#7d7086}

.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:21px 22px}.faq-card h3{font-size:13px;margin:0 0 6px;color:#62536c}.faq-card>details{padding:13px 0;border-bottom:1px solid #efebf2}.faq-card>details:last-child{border-bottom:0;padding-bottom:0}.faq-card summary{font-size:11px;font-weight:550;line-height:1.7;color:#73617f;padding-right:15px;position:relative}.faq-card summary:after{content:'+';position:absolute;right:0;top:0;color:#ad9eb5}.faq-card details[open]>summary:after{content:'−'}.faq-card p{font-size:11px;line-height:1.9;margin:9px 0 0;color:#80718c}.faq-card:target{border-color:#dfb7cb}

.one-copy{margin-top:14px;border:1px dashed #ddd3df;padding:12px;border-radius:8px}.one-copy summary{font-size:11px;color:#7d6d87}.one-copy p{font-size:11px;color:#85768d;margin:9px 0}.faq-card ol{padding-left:18px;font-size:11px;line-height:1.9;color:#80718c;margin:9px 0}.faq-card li+li{margin-top:5px}
.usb-help { color: var(--muted, #626778); font-size: .87rem; line-height: 1.65; }
.usb-help p { margin: .7rem 0; }
.usb-help strong { color: var(--ink, #252532); font-weight: 600; }