.chm-help-app { min-height: 100vh; display: flex; flex-direction: column; background: #fff; color: #171717; font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
.chm-help-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid #e5e5e5; background: rgba(255,255,255,.95); backdrop-filter: blur(12px); }
.chm-help-header-inner { width: min(100%,1024px); height: 64px; box-sizing: border-box; margin: auto; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; }
.chm-help-brand { display: flex; align-items: center; gap: 12px; color: #171717; text-decoration: none; font-size: 20px; font-weight: 700; }
.chm-help-brand-mark { width: 45px; height: 45px; display: flex; align-items: center; justify-content: center; overflow: hidden; border: 1px solid #e5e5e5; border-radius: 12px; background: #fff; font-size: 14px; }
.chm-help-brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.chm-help-header-actions { display: flex; align-items: center; gap: 16px; }
.chm-help-header-actions > a { color: #737373; font-size: 14px; text-decoration: none; }
.chm-help-header-actions > a:hover { color: #171717; }
.chm-help-locale { display: inline-flex; align-items: center; gap: 4px; height: 36px; padding: 0 12px; border: 1px solid #e5e5e5; border-radius: 999px; background: #fafafa; color: #171717; font: 500 14px/20px inherit; white-space: nowrap; cursor: pointer; }
.chm-help-locale img.emoji { width: 16px !important; height: 16px !important; margin: 0 !important; vertical-align: middle; }
.chm-help-account { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; color: #737373; }
.chm-help-account svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.chm-help-page { flex: 1; background: #fff; }
.chm-help-shell { width: 100%; box-sizing: border-box; margin: 0; padding: 0; }
.chm-help-hero { padding: 64px 16px; background: linear-gradient(to bottom,#f1f5f9,#fff); text-align: center; }
.chm-help-hero h1 { max-width: 768px; margin: 0 auto 16px; color: #171717; font-size: 36px; line-height: 40px; font-weight: 700; letter-spacing: 0; }
.chm-help-hero > p { max-width: 768px; margin: 0 auto 32px; color: #737373; font-size: 18px; line-height: 28px; }
.chm-help-search { position: relative; width: min(100%,672px); height: 56px; box-sizing: border-box; margin: auto; }
.chm-help-search > span { position: absolute; left: 16px; top: 18px; width: 20px; height: 20px; color: #737373; z-index: 1; }
.chm-help-search > span svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.chm-help-search input { width: 100%; height: 56px; box-sizing: border-box; padding: 4px 96px 4px 48px; border: 1px solid #e5e5e5; border-radius: 999px; background: #fafafa; color: #171717; font: 14px/20px inherit; outline: 0; }
.chm-help-search input:focus { border-color: #171717; box-shadow: 0 0 0 3px rgba(23,23,23,.1); }
.chm-help-search button { position: absolute; right: 4px; top: 4px; height: 48px; padding: 0 24px; border: 0; border-radius: 999px; background: #171717; color: #fff; font: 600 14px/20px inherit; cursor: pointer; }
.chm-help-search button:hover { background: #333; }
.chm-help-section { padding: 48px 16px; }
.chm-help-section > h2 { width: min(100%,992px); margin: 0 auto 32px; text-align: center; color: #171717; font-size: 24px; line-height: 32px; font-weight: 700; }
.chm-help-category-grid { width: min(100%,992px); margin: auto; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.chm-help-category { display: block; color: inherit; text-decoration: none; }
.chm-help-category-card { height: 100%; box-sizing: border-box; display: flex; flex-direction: column; gap: 24px; padding: 24px 0; border-radius: 26px; background: #fff; box-shadow: 0 4px 6px -1px rgba(0,0,0,.1),0 0 0 1px rgba(23,23,23,.05); transition: box-shadow .18s ease,transform .18s ease; }
.chm-help-category:hover .chm-help-category-card { transform: translateY(-2px); box-shadow: 0 8px 14px -4px rgba(0,0,0,.16),0 0 0 1px rgba(23,23,23,.08); }
.chm-help-category-head { display: flex; align-items: flex-start; gap: 12px; padding: 0 24px 8px; }
.chm-help-category-emoji { width: 33px; flex: 0 0 33px; font-size: 24px; line-height: 32px; }
.chm-help-category-head > div { min-width: 0; }
.chm-help-category strong { display: flex; align-items: center; gap: 8px; color: #171717; font-size: 18px; line-height: 24px; font-weight: 500; }
.chm-help-category strong svg { width: 16px; height: 16px; opacity: 0; transform: translateX(-8px); fill: none; stroke: currentColor; stroke-width: 2; transition: opacity .18s ease,transform .18s ease; }
.chm-help-category:hover strong svg { opacity: 1; transform: translateX(0); }
.chm-help-category em { display: block; margin-top: 4px; color: #737373; font-size: 14px; line-height: 20px; font-style: normal; }
.chm-help-category-card > p { min-height: 20px; padding: 0 24px; margin: 0; color: #737373; font-size: 14px; line-height: 20px; }
.chm-help-contact { padding: 48px 16px; background: #f5f5f5; text-align: center; }
.chm-help-contact h2 { margin: 0 0 16px; color: #171717; font-size: 20px; line-height: 28px; }
.chm-help-contact > p { margin: 0 0 24px; color: #737373; font-size: 16px; line-height: 24px; }
.chm-help-contact-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; }
.chm-help-contact-links a { display: inline-flex; min-height: 40px; align-items: center; padding: 0 16px; border: 1px solid #e5e5e5; border-radius: 999px; background: #fff; color: #171717; font-size: 14px; font-weight: 500; text-decoration: none; }
.chm-help-contact-links a:hover { background: #f5f5f5; }
.chm-help-footer { padding: 32px 16px; border-top: 1px solid #e5e5e5; background: #fff; text-align: center; }
.chm-help-footer nav,.chm-help-socials { display: flex; align-items: center; justify-content: center; gap: 24px; }
.chm-help-footer nav a,.chm-help-socials a { color: #737373; font-size: 14px; text-decoration: none; }
.chm-help-footer a:hover { color: #171717; }
.chm-help-socials { gap: 16px; margin-top: 24px; }
.chm-help-footer p { margin: 24px 0 0; color: #737373; font-size: 12px; line-height: 18px; }
.chm-help-breadcrumbs,.chm-help-article,.chm-help-search-heading,.chm-help-article-list,.chm-help-empty { width: min(100%,768px); box-sizing: border-box; margin-left: auto; margin-right: auto; }
.chm-help-breadcrumbs { padding: 32px 16px 0; }
.chm-help-article,.chm-help-search-heading { padding: 32px 16px; }
.chm-help-article-list { padding: 0 16px; }
.chm-help-article-contact { margin-top: 32px; padding: 24px; border: 1px solid #e5e5e5; border-radius: 16px; }
.chm-help-button { display: inline-flex; min-height: 44px; align-items: center; padding: 0 18px; border-radius: 999px; background: #171717; color: #fff; text-decoration: none; }
.chm-help-empty { padding: 32px 16px; }
@media (max-width:700px) { .chm-help-header-inner { height: 58px; padding: 0 12px; } .chm-help-brand { gap: 8px; font-size: 17px; } .chm-help-brand-mark { width: 38px; height: 38px; border-radius: 10px; } .chm-help-header-actions { gap: 8px; } .chm-help-header-actions > a:first-child { display: none; } .chm-help-locale { height: 34px; padding: 0 10px; } .chm-help-locale span { display: none; } .chm-help-hero { padding: 48px 16px; } .chm-help-hero h1 { font-size: 30px; line-height: 36px; } .chm-help-hero > p { font-size: 16px; line-height: 24px; } .chm-help-search button { padding: 0 18px; } .chm-help-section { padding: 40px 16px; } .chm-help-category-grid { grid-template-columns: 1fr; gap: 16px; } .chm-help-category-card { gap: 20px; padding: 20px 0; border-radius: 22px; } .chm-help-contact { padding: 40px 16px; } .chm-help-footer nav { gap: 16px; } .chm-help-socials { gap: 12px; } }

/* Reference article layout: document-first, narrow reading measure, full-width rules. */
.chm-help-reference-article { padding-top: 30px; padding-bottom: 72px; }
.chm-help-reference-article h1 { margin: 0 0 24px; font-size: 36px; line-height: 44px; letter-spacing: 0; }
.chm-help-reference-article h2 { margin: 24px 0 12px; font-size: 24px; line-height: 36px; letter-spacing: 0; }
.chm-help-reference-article h3 { margin: 20px 0 8px; font-size: 20px; line-height: 30px; letter-spacing: 0; }
.chm-help-reference-article p { margin: 16px 0; font-size: 16px; line-height: 24px; }
.chm-help-reference-article .chm-help-lede { margin-bottom: 24px; }
.chm-help-reference-article ul { margin: 16px 0; padding-left: 24px; }
.chm-help-reference-article li { margin: 4px 0; padding-left: 2px; font-size: 16px; line-height: 24px; }
.chm-help-reference-article a { color: #2563eb; text-decoration: underline; text-underline-offset: 2px; }
.chm-help-reference-article hr { height: 1px; margin: 28px 0 24px; border: 0; background: #e5e7eb; }
.chm-help-article-media { width: 300px; max-width: 100%; margin: 16px 0 24px; }
.chm-help-article-media img { display: block; width: 100%; height: auto; margin: 0; border-radius: 0; }
.chm-help-media-label { margin: 20px 0 8px !important; }
.chm-help-reference-article + .chm-help-contact { margin-top: 0; }
.chm-help-breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: #737373; font-size: 13px; line-height: 20px; }
.chm-help-breadcrumbs a { color: #737373; text-decoration: none; }
.chm-help-breadcrumbs a:hover { color: #171717; text-decoration: underline; }
@media (max-width:700px) {
    .chm-help-breadcrumbs { gap: 6px; padding-top: 24px; font-size: 13px; line-height: 20px; }
    .chm-help-reference-article { padding-top: 24px; padding-bottom: 48px; }
    .chm-help-reference-article h1 { font-size: 30px; line-height: 36px; margin-bottom: 24px; }
    .chm-help-reference-article h2 { font-size: 24px; line-height: 36px; margin-top: 24px; }
    .chm-help-reference-article h3 { font-size: 20px; line-height: 30px; }
    .chm-help-reference-article p,.chm-help-reference-article li { font-size: 16px; line-height: 24px; }
    .chm-help-article-media { width: 280px; }
}

/* Branded instructional phone mockups replace third-party screenshots. */
.chm-help-phone { position: relative; width: 280px; max-width: 100%; padding: 8px; box-sizing: border-box; border: 1px solid #4a4a4c; border-radius: 44px; background: linear-gradient(145deg,#2b2b2e 0%,#111113 52%,#303034 100%); box-shadow: 0 16px 30px rgba(0,0,0,.18), inset 0 0 0 1px rgba(255,255,255,.12); }
.chm-help-phone::before,.chm-help-phone::after { content: ''; position: absolute; left: -3px; width: 3px; border-radius: 3px 0 0 3px; background: #202023; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.chm-help-phone::before { top: 86px; height: 34px; box-shadow: 0 44px 0 #202023, inset 0 0 0 1px rgba(255,255,255,.08); }
.chm-help-phone::after { right: -3px; left: auto; top: 112px; height: 58px; border-radius: 0 3px 3px 0; }
.chm-help-phone-screen { position: relative; min-height: 500px; overflow: hidden; padding: 30px 12px 48px; box-sizing: border-box; border: 1px solid #070707; border-radius: 36px; background: #fff; color: #171717; font-size: 8px; line-height: 12px; }
.chm-help-phone-status { position: absolute; top: 13px; left: 18px; right: 18px; z-index: 2; display: flex; justify-content: space-between; color: #171717; font-size: 7px; font-weight: 700; }
.chm-help-phone-screen::after { content: ''; position: absolute; bottom: 6px; left: 50%; width: 76px; height: 3px; border-radius: 3px; background: #111; transform: translateX(-50%); }
.chm-help-phone-notch { position: absolute; top: 8px; left: 50%; width: 88px; height: 20px; border-radius: 14px; background: #111; transform: translateX(-50%); box-shadow: inset 0 0 0 1px rgba(255,255,255,.04); }
.chm-help-phone-notch::after { content: ''; position: absolute; top: 7px; right: 12px; width: 5px; height: 5px; border-radius: 50%; background: #25262a; box-shadow: -28px 0 0 -1px #25262a; }
.chm-help-phone-bar { display: flex; align-items: center; gap: 9px; height: 22px; color: #737373; font-size: 9px; }
.chm-help-phone-bar strong { margin-right: auto; color: #111; font-size: 11px; letter-spacing: 1px; }
.chm-help-phone-title { margin: 13px 0 10px; font-size: 13px; font-weight: 700; line-height: 17px; }
.chm-help-mini-link { margin: 8px 0; color: #737373; }
.chm-help-mini-card,.chm-help-mini-summary,.chm-help-mini-label { position: relative; margin: 8px 0; padding: 11px; border: 1px solid #e5e5e5; border-radius: 9px; background: #fff; box-shadow: 0 2px 5px rgba(0,0,0,.04); }
.chm-help-mini-card > strong { font-size: 11px; }
.chm-help-mini-card small,.chm-help-mini-summary small,.chm-help-mini-label small { display: block; margin-top: 5px; color: #737373; }
.chm-help-mini-status { float: right; padding: 2px 5px; border-radius: 999px; background: #dff7e9; color: #15803d; font-size: 7px; }
.chm-help-mini-action { display: block; width: 100%; margin-top: 12px; padding: 7px; border: 1px solid #d8d8d8; border-radius: 6px; background: #fff; color: #222; font-size: 8px; }
.chm-help-mini-progress { margin: 10px 0; padding: 8px; border-radius: 7px; background: #eef5ff; color: #2563eb; }
.chm-help-mini-progress span { display: block; margin-top: 12px; color: #737373; font-size: 7px; }
.chm-help-mini-product { display: flex; align-items: center; gap: 7px; margin-bottom: 8px; }
.chm-help-mini-product > span { width: 34px; height: 34px; flex: 0 0 34px; border-radius: 5px; background: linear-gradient(145deg,#d8dde2,#717782); }
.chm-help-mini-product b { font-size: 8px; line-height: 11px; }
.chm-help-mini-product small { margin: 0 0 0 auto; color: #111; }
.chm-help-mini-card p { margin: 8px 0 5px; font-weight: 600; }
.chm-help-mini-choice { display: block; width: 100%; margin: 4px 0; padding: 5px 4px; border: 1px solid #d8d8d8; border-radius: 5px; background: #fff; color: #222; font-size: 7px; text-align: left; }
.chm-help-mini-choice.is-selected { border-color: #111; background: #f4f4f5; }
.chm-help-mini-choice.is-credit { border-color: #9fe7bd; background: #edfff4; color: #16803c; }
.chm-help-mini-select { margin-top: 4px; padding: 5px; border: 1px solid #ddd; border-radius: 4px; color: #737373; }
.chm-help-mini-selected { position: absolute; top: 49px; left: 9px; width: 11px; height: 11px; border-radius: 2px; background: #111; color: #fff; font-size: 8px; text-align: center; line-height: 11px; }
.chm-help-mini-swatches { display: flex; gap: 4px; margin: 4px 0 7px; }
.chm-help-mini-swatches i { width: 22px; height: 22px; border-radius: 4px; background: #b7c3d5; }
.chm-help-mini-swatches i:nth-child(2) { background: #5d7184; }.chm-help-mini-swatches i:nth-child(3) { background: #b5967d; }.chm-help-mini-swatches i:nth-child(4) { background: #e8e5df; }.chm-help-mini-swatches i:nth-child(5) { background: #334155; }
.chm-help-mini-sizes { display: flex; gap: 4px; margin-top: 4px; }.chm-help-mini-sizes span,.chm-help-mini-sizes b { min-width: 19px; padding: 4px; border: 1px solid #ddd; border-radius: 4px; text-align: center; }.chm-help-mini-sizes b { border-color: #111; }
.chm-help-mini-bottom { display: flex; align-items: center; justify-content: space-between; gap: 7px; margin-top: 10px; padding: 8px 3px 0; border-top: 1px solid #eee; color: #737373; font-size: 7px; }.chm-help-mini-bottom b { color: #111; }.chm-help-mini-bottom button { padding: 7px 10px; border: 0; border-radius: 5px; background: #171717; color: #fff; font-size: 7px; }
.chm-help-mini-summary h4 { margin: 12px 0 7px; font-size: 10px; }.chm-help-mini-summary p { margin: 6px 0; }.chm-help-mini-total { display: flex; justify-content: space-between; margin-top: 5px; padding: 6px; border-radius: 4px; background: #f5f5f5; }.chm-help-mini-total.is-credit { background: #edfff4; color: #16803c; }
.chm-help-mini-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 3px; margin: 7px 0 12px; }.chm-help-mini-steps b { grid-column: 1/-1; margin-bottom: 5px; font-size: 10px; }.chm-help-mini-steps span { position: relative; padding-top: 13px; color: #aaa; text-align: center; font-size: 6px; }.chm-help-mini-steps span::before { content: ''; position: absolute; top: 0; left: 50%; width: 8px; height: 8px; border: 1px solid #ccc; border-radius: 50%; background: #fff; transform: translateX(-50%); }.chm-help-mini-steps span.is-done { color: #16803c; }.chm-help-mini-steps span.is-done::before { border-color: #35b86d; background: #35b86d; }
.chm-help-mini-label b { display: block; font-size: 10px; }.chm-help-qr { width: 72px; margin: 12px auto 4px; padding: 8px 3px; border: 3px solid #111; color: #111; font: 700 11px/10px monospace; letter-spacing: 2px; text-align: center; }
.chm-help-mini-menu { display: flex; flex-direction: column; gap: 7px; padding: 13px; border-radius: 7px; background: #fafafa; }.chm-help-mini-menu b { font-size: 11px; }.chm-help-mini-menu small { color: #737373; }.chm-help-mini-menu span { padding: 5px; border-radius: 4px; }.chm-help-mini-menu span strong { float: right; }.chm-help-mini-menu span.is-active { background: #e8f1ff; color: #2563eb; }
.chm-help-mini-return-row { margin-top: 10px; padding: 8px; border: 1px solid #e5e5e5; border-radius: 5px; }.chm-help-mini-return-row b { display: block; }.chm-help-mini-return-row span { display: inline-block; margin-top: 4px; color: #16803c; }.chm-help-mini-return-row button { display: block; margin-top: 10px; margin-left: auto; padding: 5px 7px; border: 0; border-radius: 4px; background: #171717; color: #fff; font-size: 7px; }
.chm-help-phone-browser { position: absolute; bottom: 20px; left: 8px; right: 8px; height: 24px; display: flex; align-items: center; justify-content: space-between; padding: 0 8px; box-sizing: border-box; border-radius: 6px; background: #f0f1f3; color: #5b6068; font-size: 7px; }
.chm-help-phone-home { position: absolute; bottom: 5px; left: 20px; right: 20px; display: flex; justify-content: space-between; color: #2277d8; font-size: 10px; }
.chm-help-phone.is-callout .chm-help-mini-action { position: relative; }
.chm-help-phone.is-callout .chm-help-mini-action::after { content: ''; position: absolute; inset: -10px -14px; border: 3px solid #ef1111; border-radius: 50%; transform: rotate(-7deg); pointer-events: none; }