:root {
  color-scheme: light;
  --ink: #202737;
  --muted: #647087;
  --blue: #3264e9;
  --blue-dark: #2350d0;
  --blue-pale: #e9f0ff;
  --line: #e1e7f1;
  --panel: #fff;
  --surface: #f6f8fc;
  --green: #398d71;
  --shadow: 0 18px 50px rgba(43, 65, 112, .08);
  font-family: Manrope, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7f9fe;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; min-width: 320px; background: linear-gradient(155deg,#f5f8ff 0,#f8faff 38%,#f5f8fd 75%,#f7f9fe 100%); }
button, a { font: inherit; }
a { color: inherit; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(50,100,233,.45); outline-offset: 3px; }
.wrap { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 20; left: 16px; top: 10px; transform: translateY(-150%); padding: 12px 16px; border-radius: 12px; color: white; background: var(--blue); }
.skip-link:focus { transform: none; }
.site-header { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; gap: 10px; align-items: center; text-decoration: none; font-size: 19px; font-weight: 800; letter-spacing: -.7px; }
.brand > span:last-child > span { color: var(--blue); }
.brand-logo { width: 44px; height: 44px; flex: 0 0 auto; border: 1px solid rgba(78,82,209,.22); border-radius: 12px; object-fit: cover; box-shadow: 0 5px 16px rgba(35,66,125,.1); }
.header-help { color: #4d5b72; text-decoration: none; font-size: 13px; font-weight: 650; }
.header-help span, .text-link { color: var(--blue); }
.support-link { display: inline-flex; align-items: center; gap: 6px; }
.telegram-icon { display: inline-block; width: 16px; height: 16px; flex: 0 0 16px; object-fit: contain; }

.intro { padding-top: 46px; text-align: center; }
h1,h2,h3,p { margin-top: 0; }
h1 { margin-bottom: 12px; font-size: clamp(34px,4vw,50px); line-height: 1.12; letter-spacing: -1px; font-weight: 800; }
h1 span { color: var(--blue); }
.intro-copy { margin: 0 auto; max-width: 580px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.device-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; margin: 30px auto 0; max-width: 900px; }
.device-card { min-height: 104px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 9px; padding: 14px 10px; border: 1px solid #e1e7f1; border-radius: 18px; background: rgba(255,255,255,.86); box-shadow: 0 4px 14px rgba(36,59,100,.035); color: #30394b; cursor: pointer; transition: border-color .18s ease, box-shadow .18s ease, background .18s ease, transform .18s ease; }
.device-card:hover { transform: translateY(-2px); border-color: #b8cafa; box-shadow: 0 10px 24px rgba(42,82,171,.09); }
.device-card[aria-pressed="true"] { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px rgba(50,100,233,.11), 0 12px 25px rgba(42,82,171,.1); }
.device-card svg { width: 31px; height: 31px; fill: none; stroke: var(--blue); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.device-card span { font-size: 13px; font-weight: 750; }
.mode-switch { display: inline-flex; gap: 4px; margin: 24px auto 4px; padding: 4px; border: 1px solid #dce4f1; border-radius: 999px; background: rgba(255,255,255,.82); }
.mode-switch button { min-height: 42px; padding: 0 19px; border: 0; border-radius: 999px; background: transparent; color: #536078; font-size: 13px; font-weight: 750; cursor: pointer; }
.mode-switch button[aria-pressed="true"] { background: var(--blue); color: white; box-shadow: 0 4px 12px rgba(50,100,233,.18); }
.setup-mode { padding-top: 15px; }
.setup-intro-copy { margin-top: 0; }
.help-mode { max-width: 1060px; padding-top: 28px; }

.guide { display: grid; grid-template-columns: 230px minmax(0,1fr); align-items: start; gap: 20px; margin: 32px 0 96px; scroll-margin-top: 28px; }
.step-nav { position: sticky; top: 18px; padding: 22px 16px; border: 1px solid var(--line); border-radius: 19px; background: rgba(255,255,255,.78); }
.step-nav-title { margin: 0 0 16px 8px; color: #8590a2; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.step-nav ol { display: grid; gap: 5px; margin: 0; padding: 0; list-style: none; }
.step-nav button { width: 100%; display: grid; grid-template-columns: 28px 1fr; align-items: center; gap: 9px; padding: 10px 8px; border: 0; border-radius: 12px; background: transparent; color: #6c778b; text-align: left; cursor: pointer; }
.step-nav button[aria-current="step"] { background: #edf2ff; color: #244fc4; }
.nav-number { display: grid; width: 27px; height: 27px; place-items: center; border: 1px solid #dce3ef; border-radius: 50%; background: white; font-size: 11px; font-weight: 750; }
.step-nav button[aria-current="step"] .nav-number { border-color: var(--blue); background: var(--blue); color: white; }
.nav-label { font-size: 12px; line-height: 1.35; font-weight: 700; }
.guide-card { min-width: 0; padding: 30px 34px 24px; border: 1px solid rgba(220,228,241,.92); border-radius: 24px; background: white; box-shadow: var(--shadow); }
.progress-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }
.step-counter { color: #65738b; font-size: 12px; font-weight: 750; }
.device-context { color: #8b96a8; font-size: 11px; font-weight: 700; }
.progress-track { height: 5px; overflow: hidden; border-radius: 20px; background: #edf1f8; }
.progress-track span { display: block; width: 20%; height: 100%; border-radius: inherit; background: linear-gradient(90deg,#85a7ff,var(--blue)); transition: width .25s ease; }
.guide-content { display: grid; grid-template-columns: minmax(0,1fr) 290px; align-items: center; gap: 30px; padding: 30px 0; }
.guide-copy-full { grid-column: 1 / -1; max-width: 760px; }
.apple-guide { max-width: none; }
.guide-copy h2 { margin: 0 0 13px; font-size: clamp(23px,2.5vw,30px); line-height: 1.2; letter-spacing: -.3px; }
.guide-copy > p { margin: 0 0 15px; color: #5e6a7e; font-size: 14px; line-height: 1.75; }
.guide-copy ul, .guide-copy ol { display: grid; gap: 9px; margin: 14px 0 20px; padding-left: 20px; color: #4e5b70; font-size: 13px; line-height: 1.65; }
.guide-copy li::marker { color: var(--blue); font-weight: 800; }
.button { min-height: 47px; display: inline-flex; justify-content: center; align-items: center; gap: 10px; padding: 0 19px; border: 1px solid transparent; border-radius: 999px; font-size: 13px; font-weight: 750; text-decoration: none; cursor: pointer; transition: transform .16s ease, background .16s ease, box-shadow .16s ease; }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button-primary { background: var(--blue); color: #fff; box-shadow: 0 7px 14px rgba(50,100,233,.2); }
.button-primary:hover:not(:disabled) { background: var(--blue-dark); }
.button-secondary { border-color: #d8e2f7; background: #f4f7ff; color: #2854cd; }
.button-quiet { min-height: 42px; padding-inline: 15px; border-color: #e1e7f1; background: white; color: #59667c; }
.button:disabled { cursor: not-allowed; opacity: .55; box-shadow: none; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.callout { display: flex; gap: 10px; margin: 17px 0 0; padding: 13px 14px; border: 1px solid #dce7ff; border-radius: 13px; background: #f5f8ff; color: #53647e; font-size: 12px; line-height: 1.6; }
.callout strong { color: #273858; }
.callout-icon { flex: 0 0 20px; display: grid; width: 20px; height: 20px; place-items: center; border-radius: 50%; background: #e2eaff; color: var(--blue); font-size: 12px; font-weight: 800; }
.warning { border-color: #f0e0bd; background: #fffaf0; color: #6d5d43; }
.warning .callout-icon { background: #f9edcf; color: #987324; }
.guide-visual { min-width: 0; margin: 0; }
.guide-visual figcaption, figure figcaption { margin-top: 10px; color: #8a95a7; font-size: 10px; line-height: 1.55; text-align: center; }
.apple-instructions { margin-top: 24px; padding-top: 18px; border-top: 1px solid #e7ebf2; }
.apple-instructions > summary, .settings-details > summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; color: #34425a; font-size: 14px; line-height: 1.5; font-weight: 750; cursor: pointer; list-style: none; }
.apple-instructions > summary::-webkit-details-marker, .settings-details > summary::-webkit-details-marker { display: none; }
.apple-instructions > summary::after, .settings-details > summary::after { content: "+"; flex: 0 0 auto; color: var(--blue); font-size: 22px; font-weight: 500; }
.apple-instructions[open] > summary::after, .settings-details[open] > summary::after { content: "−"; }
.apple-instructions > p:not(.apple-shot-note), .settings-detail-content p { margin: 13px 0 10px; color: #5e6a7e; font-size: 12px; line-height: 1.65; }
.apple-instructions .callout { margin-top: 12px; }
.apple-shot-note { margin: 10px 0; color: #69758a; font-size: 11px; line-height: 1.6; }
.apple-instructions > summary:focus-visible, .settings-details > summary:focus-visible { outline: 3px solid rgba(50,100,233,.45); outline-offset: 4px; border-radius: 4px; }
.apple-step-list { display: grid; gap: 7px; margin: 12px 0 15px; padding-left: 19px; color: #4e5b70; font-size: 11px; line-height: 1.55; }
.apple-step-list li::marker { color: var(--blue); font-weight: 800; }
.apple-source a { color: #2554d5; font-weight: 750; }
.screenshot-required { min-height: 245px; display: flex; flex-direction: column; justify-content: center; }
.screenshot-status { max-width: 390px; margin: auto; padding: 21px; border: 1px dashed #b9c8e4; border-radius: 15px; background: #f9fbff; text-align: left; }
.status-symbol { display: grid; width: 32px; height: 32px; place-items: center; margin-bottom: 12px; border-radius: 9px; background: #eaf0ff; color: var(--blue); font-size: 19px; }
.screenshot-status strong { display: block; margin-bottom: 7px; color: #303d54; font-size: 13px; }
.screenshot-status p { margin: 0; color: #69768b; font-size: 11px; line-height: 1.6; }
.screenshot-status p b { color: #47566e; }
.instruction-shot { min-width: 0; margin: 0; }
.shot-open { position: relative; display: block; width: 100%; padding: 0; overflow: hidden; border: 1px solid #e1e7f1; border-radius: 17px; background: #f4f5f9; cursor: zoom-in; }
.shot-open:focus-visible { outline: 3px solid rgba(50,100,233,.45); outline-offset: 4px; }
.shot-open img { display: block; width: 100%; height: auto; object-fit: contain; }
.shot-markup { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.shot-markup circle { fill: rgba(50,100,233,.045); stroke: #3264e9; stroke-width: 7; vector-effect: non-scaling-stroke; }
.shot-markup ellipse { fill: rgba(229,77,70,.045); stroke: #e14a43; stroke-width: 6; vector-effect: non-scaling-stroke; }
.shot-markup path { fill: none; stroke: #3264e9; stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.shot-markup text { fill: #fff; stroke: #3264e9; stroke-width: 2; paint-order: stroke; font-size: 38px; font-weight: 800; text-anchor: middle; }
.instruction-shot figcaption { display: flex; flex-wrap: wrap; justify-content: center; gap: 3px 8px; }
.zoom-hint { color: #8a95a7; font-weight: 500; }
.apple-action-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin: 18px 0; }
.apple-action { min-width: 0; display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); align-items: start; gap: 12px; padding: 13px; border: 1px solid #e6ebf3; border-radius: 14px; background: #fbfcff; }
.apple-action > p { margin: 5px 0 0; color: #4e5b70; font-size: 11px; line-height: 1.55; }
.apple-action .instruction-shot { min-width: 0; }
.apple-action .shot-open { max-height: 230px; border-radius: 10px; }
.apple-action .shot-open img { width: 100%; max-height: 230px; object-fit: contain; }
.apple-action .instruction-shot figcaption { font-size: 11px; }
.guide-visual figcaption a, .help-visual figcaption a, .refresh-visual figcaption a { color: #315bd0; font-weight: 750; text-decoration: none; }
.guide-visual figcaption a:hover, .help-visual figcaption a:hover, .refresh-visual figcaption a:hover { text-decoration: underline; }
.step-side-note { align-self: center; padding: 23px; border: 1px solid #e1e8f5; border-radius: 17px; background: #f6f8fd; }
.step-side-note strong { font-size: 14px; }
.step-side-note p { margin: 8px 0 11px; color: #68758a; font-size: 12px; line-height: 1.65; }
.step-side-note a { color: #2d5bd7; font-size: 12px; font-weight: 750; }
.guide-actions { display: flex; justify-content: space-between; gap: 14px; padding-top: 18px; border-top: 1px solid #edf0f5; }
.guide-actions > [hidden] { display: none; }
.guide-actions > #prev-step[hidden] + #next-step { margin-left: auto; }
.secondary-device { display: inline-flex; align-items: center; gap: 4px; margin-left: 8px; color: #315bcf; font-size: 12px; font-weight: 700; text-decoration: none; }
.pending-key { margin-top: 15px; padding: 15px; border: 1px dashed #b8c9ee; border-radius: 14px; background: #f7f9ff; }
.pending-key strong { display: block; margin-bottom: 5px; font-size: 12px; }
.pending-key p { margin: 0; color: #68758b; font-size: 11px; line-height: 1.6; }
.temporary-key-row { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 9px; margin-top: 12px; }
.temporary-key-row code { max-height: 112px; overflow: auto; padding: 10px 11px; border: 1px solid #dce4f2; border-radius: 10px; background: #fff; color: #3c4b64; font-size: 10px; line-height: 1.55; overflow-wrap: anywhere; white-space: normal; }

.help-section { margin-bottom: 28px; padding: 34px; border: 1px solid #e2e8f2; border-radius: 25px; background: rgba(255,255,255,.84); box-shadow: 0 12px 38px rgba(43,65,112,.045); scroll-margin-top: 24px; }
.section-heading { max-width: 680px; margin: 0 auto 30px; text-align: center; }
h2 { font-size: clamp(27px,3vw,37px); line-height: 1.18; letter-spacing: -.4px; }
.section-heading h2 { margin-bottom: 11px; }
.section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.help-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(270px,.8fr); align-items: center; gap: 36px; }
.refresh-instructions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); align-items: start; gap: 18px 42px; margin-top: 18px; }
.refresh-action { min-width: 0; }
.refresh-action .help-steps { gap: 15px; }
.refresh-action .help-steps li { grid-template-columns: 28px 1fr; gap: 11px; }
.refresh-action .help-steps li > span { width: 28px; height: 28px; }
.refresh-action .help-steps strong { font-size: 13px; line-height: 1.5; }
.help-steps .ping-explainer { margin-top: 8px; color: var(--muted); font-size: 12px; text-align: left; }
.refresh-shared-visual { width: min(100%,720px); margin: 16px 0 0; padding: 15px; }
.help-steps { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.help-steps li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; }
.help-steps li > span { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid #d7e2fb; border-radius: 50%; background: #f2f6ff; color: var(--blue); font-size: 11px; font-weight: 800; }
.help-steps strong { display: block; margin: 2px 0 4px; font-size: 13px; }
.help-steps p { margin: 0; color: #68758a; font-size: 12px; line-height: 1.6; }
.help-step-body { min-width: 0; }
.help-step-body > strong { margin-bottom: 5px; font-size: 14px; }
.help-step-body > p { margin-top: 5px; }
.anchor-alias { display: block; height: 0; scroll-margin-top: 24px; }
.help-support-line { margin: 24px 0 0; }
.help-visual, .refresh-visual { margin: 0; padding: 23px; border: 1px solid #e8edf5; border-radius: 18px; background: #f7f9fd; }

.settings-detail-content { display: block; min-width: 0; margin-top: 18px; }
.settings-details { margin-top: 28px; padding-top: 20px; border-top: 1px solid #e6ebf3; }
.settings-topic { min-width: 0; padding: 20px; border: 1px solid #e5eaf2; border-radius: 16px; background: #fbfcfe; }
.settings-topic + .settings-topic { margin-top: 20px; }
.settings-topic h3 { margin: 0 0 16px; color: #34425a; font-size: 16px; line-height: 1.4; }
.settings-topic-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.95fr); align-items: start; gap: 22px; }
.settings-topic-copy { min-width: 0; }
.settings-topic-copy .callout.warning { margin: 0 0 14px; }
.ping-settings { scroll-margin-top: 22px; }
.settings-step-list { display: grid; gap: 8px; margin: 12px 0 14px; padding-left: 23px; color: #4e5b70; font-size: 12px; line-height: 1.6; }
.settings-step-list > li::marker { color: var(--blue); font-weight: 750; }
.settings-check-list { display: grid; gap: 5px; margin: 7px 0 0; padding-left: 20px; list-style-type: "— "; }
.settings-check-list li::marker { color: #68758a; }
.settings-screenshot { width: min(100%,560px); margin: 14px auto 0; }
.settings-topic-grid > .settings-screenshot { margin: 0; }
.settings-screenshot .shot-open img { height: auto; max-height: none; object-fit: contain; }
.settings-screenshot figcaption { text-align: center; }
.settings-shot-list { display: grid; grid-template-columns: minmax(0,1fr); gap: 18px; width: min(100%,560px); min-width: 0; margin: 0 auto; }
.settings-topic-grid > .settings-shot-list { width: 100%; }
.troubleshooting-steps { max-width: 760px; margin: 0 auto; }
.copy-url-row { display: flex; align-items: center; gap: 8px; width: min(100%,560px); min-width: 0; margin: 14px 0; padding: 5px 6px 5px 12px; border: 1px solid #dce4f2; border-radius: 13px; background: #f8faff; }
.copy-url-row code { flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; color: #384760; font-size: 11px; }
.copy-url-button { display: grid; width: 44px; height: 44px; flex: 0 0 44px; place-items: center; padding: 0; border: 0; border-radius: 10px; background: #edf2ff; color: #315bd0; cursor: pointer; }
.copy-url-button:hover { background: #e3ebff; }
.copy-url-button:focus-visible { outline: 3px solid rgba(50,100,233,.4); outline-offset: 2px; }
.copy-url-button svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.copy-url-button .copy-success-icon { display: none; }
.copy-url-button.is-copied .copy-icon { display: none; }
.copy-url-button.is-copied .copy-success-icon { display: block; }
.copy-url-button.is-copied { background: #e8f6ef; color: #20804b; }
.copy-url-instruction { max-width: 560px; }
.platform-shot-pair { display: grid; gap: 14px; min-width: 0; }
.platform-shot-pair .instruction-shot { min-width: 0; }
.platform-shot-pair .instruction-shot figcaption { font-size: 9px; }
.image-lightbox { width: min(94vw,1100px); max-width: 94vw; max-height: 94dvh; padding: 42px 12px 34px; overflow: hidden; border: 1px solid #dbe2ed; border-radius: 18px; background: #fff; box-shadow: 0 24px 80px rgba(20,31,55,.25); }
.image-lightbox::backdrop { background: rgba(19,27,43,.72); backdrop-filter: blur(3px); }
.image-lightbox form { position: absolute; top: 8px; right: 8px; }
.lightbox-close { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid #dbe2ed; border-radius: 50%; background: #fff; color: #333e52; font-size: 24px; line-height: 1; cursor: pointer; }
.image-lightbox img { display: block; width: auto; max-width: 100%; max-height: calc(94dvh - 104px); margin: auto; object-fit: contain; }
.lightbox-original { position: absolute; right: 14px; bottom: 10px; color: #315bd0; font-size: 11px; font-weight: 700; }
.screenshot-required .screenshot-status { width: 100%; }
.note { margin: 22px 0 0; padding: 13px 16px; border-radius: 12px; background: #f2f5fa; color: #68748a; font-size: 11px; line-height: 1.65; }
.note strong { color: #344055; }.note a, .support-line a, .text-link { color: #2d5bd7; font-weight: 750; }
.support-line { margin: 17px 0 0; color: #69758a; font-size: 12px; text-align: center; }
.site-footer { border-top: 1px solid #e4e9f1; background: rgba(255,255,255,.62); }.footer-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 18px; color: #818b9c; font-size: 10px; }.footer-inner .brand { color: var(--ink); font-size: 16px; }.footer-inner .brand-logo { width: 34px; height: 34px; border-radius: 9px; }.footer-inner a:last-child { color: #40506b; text-decoration: none; font-weight: 700; }
.live-region { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .wrap { width: min(100% - 36px, 760px); }
  .device-grid { grid-template-columns: repeat(4,minmax(0,1fr)); max-width: 760px; }
  .guide { grid-template-columns: 1fr; gap: 12px; margin-top: 28px; }
  .step-nav { position: static; padding: 13px; }
  .step-nav-title { margin-bottom: 9px; }
  .step-nav ol { grid-template-columns: repeat(6,minmax(0,1fr)); gap: 3px; }
  .step-nav button { display: flex; flex-direction: column; gap: 6px; padding: 8px 3px; text-align: center; }
  .nav-number { width: 25px; height: 25px; flex: 0 0 auto; }
  .nav-label { font-size: 9px; }
  .guide-card { padding: 26px; }
  .help-section { padding: 30px; }
}
@media (max-width: 620px) {
  html { scroll-padding-top: 14px; }
  .wrap { width: calc(100% - 32px); }
  .site-header { height: 64px; }
  .brand { gap: 8px; font-size: 17px; }
  .brand-logo { width: 40px; height: 40px; }
  .header-help { font-size: 11px; }
  .intro { padding-top: 35px; }
  h1 { max-width: 370px; margin-inline: auto; font-size: clamp(31px,9vw,41px); letter-spacing: -.5px; }
  .intro-copy { max-width: 400px; font-size: 13px; line-height: 1.65; }
  .device-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin: 22px auto 0; max-width: none; width: 100%; }
  .device-card { min-height: 82px; gap: 5px; padding: 10px 5px; border-radius: 14px; }
  .device-card svg { width: 26px; height: 26px; }
  .device-card span { font-size: 11px; }
  .mode-switch { display: flex; width: 100%; margin-top: 19px; }
  .mode-switch button { flex: 1; padding-inline: 8px; font-size: 11px; }
  .setup-mode { padding-top: 9px; }
  .guide { margin-top: 28px; margin-bottom: 56px; }
  .help-mode { padding-top: 22px; }
  .step-nav { overflow-x: auto; padding: 10px 7px; border-radius: 15px; }
  .step-nav-title { margin-left: 5px; font-size: 9px; }
  .step-nav ol { min-width: 330px; }
  .nav-label { font-size: 8px; }
  .guide-card { padding: 19px 17px 15px; border-radius: 19px; }
  .progress-head { margin-bottom: 9px; }
  .step-counter { font-size: 11px; }.device-context { font-size: 10px; }
  .guide-content { grid-template-columns: 1fr; gap: 18px; padding: 21px 0; }
  .guide-copy h2 { font-size: 24px; }
  .guide-copy > p { font-size: 13px; }
  .guide-copy ul,.guide-copy ol { font-size: 12px; }
  .guide-visual { order: 2; }
  .screenshot-required { min-height: 190px; }
  .screenshot-status { padding: 17px; }
  .apple-instructions { margin-top: 22px; }
  .apple-instructions h3 { font-size: 16px; }
  .apple-step-list { font-size: 11px; }
  .button { min-height: 45px; padding-inline: 14px; font-size: 11px; }
  .button-row .button { flex: 1; }
  .temporary-key-row { grid-template-columns: 1fr; }
  .temporary-key-row .button { width: 100%; }
  .guide-actions { padding-top: 14px; }
  .button-quiet { min-height: 40px; }
  .help-section { margin-bottom: 22px; padding: 25px 18px; border-radius: 20px; }
  .section-heading { margin-bottom: 24px; }
  .section-heading h2 { font-size: 28px; }
  .section-heading > p:last-child { font-size: 12px; }
  .desktop-break { display: none; }
  .help-layout { grid-template-columns: 1fr; gap: 23px; }
  .refresh-instructions { grid-template-columns: 1fr; gap: 18px; margin-top: 15px; }
  .ping-explainer { text-align: left; }
  .refresh-shared-visual { width: 100%; padding: 12px; }
  .apple-action-list { grid-template-columns: 1fr; gap: 12px; }
  .apple-action { grid-template-columns: 1fr; gap: 8px; padding: 11px; }
  .apple-action > p { font-size: 12px; }
  .apple-action .shot-open, .apple-action .shot-open img { max-height: 320px; }
  .help-steps { gap: 15px; }
  .help-steps p { font-size: 11px; }
  .help-visual,.refresh-visual { padding: 17px; }
  .settings-detail-content { margin-top: 14px; }
  .settings-topic { padding: 15px; }
  .settings-topic h3 { margin-bottom: 12px; }
  .settings-topic-grid { grid-template-columns: minmax(0,1fr); gap: 15px; }
  .settings-shot-list { width: 100%; gap: 14px; }
  .footer-inner { min-height: 72px; flex-wrap: wrap; justify-content: center; gap: 7px 17px; padding-block: 16px; }
  .footer-inner .brand-logo { width: 32px; height: 32px; }
  .footer-inner > span { order: 3; width: 100%; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}