/* 首页评测台：保持已确认首屏的尺度与裁切关系。 */
.hero { position: relative; height: clamp(640px, calc(100vh - var(--nav-h) - var(--peek)), 920px); overflow-x: clip; }
.hero .frame { height: 100%; }
.hero-grid { display: grid; grid-template-columns: 440px minmax(0, 1fr); height: 100%; }
.copy { align-self: center; padding-bottom: 28px; }
.tagline { display: inline-flex; align-items: center; gap: 10px; min-height: 30px; padding: 4px 13px 4px 11px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg-panel); color: var(--text-muted); font-size: 13px; }
.tagline b { color: var(--text); font-weight: 600; }
.tagline .dot { width: 7px; height: 7px; border-radius: var(--r-circle); background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.tagline .bar { width: 1px; height: 12px; background: var(--border); flex-shrink: 0; }
.copy h1 { margin: 22px 0 18px; font-size: clamp(28px, 3.4vw, 48px); line-height: 1.14; letter-spacing: -.025em; }
.copy h1 > span { display: block; }
.copy h1 .em { display: inline; color: var(--accent); }
.lede { margin: 0; max-width: 430px; font-size: 16.5px; line-height: 1.75; color: var(--text-muted); }
.lede strong { color: var(--text); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.os-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; padding: 0; list-style: none; }
.os-chip { display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px 0 11px; border: 1px solid var(--border); border-radius: var(--r-chip); background: var(--bg); color: var(--text); font-size: 13.5px; box-shadow: var(--shadow-hair); transition: border-color var(--fast) ease; }
.os-chip svg { width: 14px; height: 14px; color: var(--text-muted); }
.os-chip .tux { width: 13px; height: 15px; }
.os-chip:hover { border-color: var(--accent-line); }
.os-chip:hover svg { color: var(--accent); }
.facts { margin: 16px 0 0; font-size: 12.5px; color: var(--text-muted); }
.facts code { font-size: 12px; color: var(--text-muted); }
.bench { position: relative; min-width: 0; }
.device { position: absolute; left: 100px; top: 56px; width: 720px; height: 1000px; margin: 0; }
.appwin { position: absolute; inset: 0; display: flex; flex-direction: column; overflow: hidden; background: var(--bg); color: var(--text); border-radius: var(--r-win); box-shadow: var(--shadow-win); }
.w-title { flex: none; height: 48px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 16px; border-bottom: 1px solid var(--border); background: linear-gradient(var(--bg), var(--bg-panel)); color: var(--text); }
.lights { display: flex; gap: 8px; }
.lights i { width: 12px; height: 12px; flex-shrink: 0; border-radius: var(--r-circle); box-shadow: var(--shadow-light); }
.lights .l1 { background: var(--error); }
.lights .l2 { background: var(--warn); }
.lights .l3 { background: var(--success); }
.w-name { font-size: 13px; font-weight: 600; letter-spacing: -.005em; }
.w-name span { color: var(--text-muted); font-weight: 500; }
.w-search { justify-self: end; display: flex; align-items: center; gap: 7px; width: 176px; height: 28px; padding: 0 10px; border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--bg); color: var(--text-muted); font-size: 12.5px; }
.w-search svg { width: 14px; height: 14px; }
.w-menu { flex: none; height: 42px; display: flex; align-items: center; gap: 2px; padding: 0 10px; border-bottom: 1px solid var(--border); }
.w-menu span { display: inline-flex; align-items: center; gap: 4px; height: 28px; padding: 0 10px; border-radius: var(--r-sm); font-size: 13px; }
.w-menu svg { width: 10px; height: 10px; color: var(--text-muted); }
.w-menu .rf { width: 14px; height: 14px; }
.w-menu .div { width: 1px; height: 14px; padding: 0; background: var(--border); border-radius: 0; }
.w-body { flex: 1; min-height: 0; display: grid; grid-template-columns: 148px minmax(0, 1fr) 248px; }
.w-body > * { min-width: 0; }
.rail { background: var(--bg-panel); color: var(--text); border-right: 1px solid var(--border); padding: 16px 10px; }
.rail-label { height: 18px; margin: 0 6px 8px; font-size: 11.5px; font-weight: 600; color: var(--text-muted); letter-spacing: .02em; }
.rail-item { display: flex; align-items: center; gap: 9px; height: 36px; margin-bottom: 2px; padding: 0 10px; border-radius: var(--r-sm); font-size: 13px; }
.rail-item svg { width: 16px; height: 16px; color: var(--text-muted); }
.rail-item.on { background: var(--accent-soft); color: var(--accent-dark); font-weight: 600; }
.rail-item.on svg { color: var(--accent); }
.rules { position: relative; padding: 16px 18px; }
.rs-head { display: flex; align-items: center; justify-content: space-between; height: 40px; margin-bottom: 12px; gap: 8px; }
.rs-set { display: flex; align-items: baseline; gap: 8px; }
.rs-set small { font-size: 12px; color: var(--text-muted); }
.rs-set b { font-size: 14.5px; font-weight: 700; letter-spacing: -.01em; white-space: nowrap; }
.rs-strat { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--text-muted); }
.mono-chip { font-family: var(--font-mono); font-size: 11px; color: var(--text); padding: 3px 7px; border: 1px solid var(--border); border-radius: var(--r-code); background: var(--bg-panel); }
.r-head, .r-row { display: grid; grid-template-columns: 18px minmax(0, 1fr) 12px 56px; column-gap: 6px; align-items: center; padding: 0 8px; }
.r-head { height: 32px; border-bottom: 1px solid var(--border); font-size: 11.5px; font-weight: 600; color: var(--text-muted); }
.r-head .out-h { text-align: right; grid-column: 3 / 5; }
.r-rows { position: relative; }
.r-row { position: relative; z-index: 1; height: 44px; border-bottom: 1px solid var(--line-soft); }
.r-row.sel { background: var(--bg-panel); color: var(--text); border-radius: var(--r-sm); border-bottom-color: var(--clear); }
.r-idx { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.r-cond { font-family: var(--font-mono); font-size: 10px; color: var(--text); white-space: nowrap; letter-spacing: -.04em; }
.r-cond.fall { font-family: var(--font-body); font-size: 13px; font-weight: 500; }
.r-arrow { font-size: 12px; color: var(--text-muted); text-align: center; }
.out { justify-self: end; display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 9px; border-radius: var(--r-pill); font-family: var(--font-mono); font-size: 11px; font-weight: 600; border: 1px solid var(--border); }
.out-proxy { background: var(--accent-soft); color: var(--accent-dark); border-color: var(--accent-line); }
.out-direct { background: var(--bg-panel-2); color: var(--text); }
.out-block { background: var(--bg); color: var(--text-muted); }
.scan { position: absolute; left: 0; right: 0; top: 0; height: 44px; z-index: 2; pointer-events: none; border-radius: var(--r-sm); background: var(--accent-wash); box-shadow: inset 0 0 0 1px var(--accent-line); opacity: 0; animation: matchwalk 9s ease-in-out infinite; }
.scan::before { content: ""; position: absolute; left: 0; top: 10px; bottom: 10px; width: 2px; border-radius: var(--r-code); background: var(--accent); }
@keyframes matchwalk {
  0% { transform: translateY(0); opacity: 0; }
  5%, 15% { transform: translateY(0); opacity: 1; }
  20%, 30% { transform: translateY(44px); opacity: 1; }
  35%, 72% { transform: translateY(88px); opacity: 1; }
  80% { transform: translateY(88px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}
.detail { margin-top: 16px; border: 1px solid var(--border); border-radius: var(--r-btn); background: var(--bg-panel); color: var(--text); overflow: hidden; }
.detail-h { display: flex; align-items: center; justify-content: space-between; height: 34px; padding: 0 14px; border-bottom: 1px solid var(--border); font-size: 12px; font-weight: 600; }
.detail-h code { font-size: 11px; font-weight: 400; color: var(--text-muted); }
.detail pre { margin: 0; padding: 10px 14px 12px; border: 0; border-radius: 0; font-size: 11.5px; line-height: 1.65; color: var(--text-muted); }
.detail .k { color: var(--text); }
.detail .s { color: var(--accent-dark); }
.knobs { border-left: 1px solid var(--border); padding: 16px 18px; }
.k-title { height: 20px; margin-bottom: 6px; font-size: 12px; font-weight: 700; letter-spacing: .01em; }
.radio { display: flex; align-items: center; gap: 9px; height: 30px; font-size: 13px; }
.radio i { width: 14px; height: 14px; border-radius: var(--r-circle); border: 1.5px solid var(--text-faint); background: var(--bg); flex-shrink: 0; }
.radio.on i { border-color: var(--accent); background: radial-gradient(circle, var(--accent) 0 3.2px, var(--bg) 3.6px); }
.radio.on { font-weight: 600; }
.k-rule { height: 1px; margin: 12px 0; background: var(--border); }
.switch-row { display: flex; align-items: center; gap: 10px; height: 40px; }
.switch { position: relative; width: 34px; height: 20px; flex-shrink: 0; border-radius: var(--r-pill); background: var(--bg-panel-2); box-shadow: inset 0 0 0 1px var(--border); }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: var(--r-circle); background: var(--bg); box-shadow: var(--shadow-switch); }
.switch.on { background: var(--accent); box-shadow: none; }
.switch.on::after { left: 16px; }
.sw-text { display: flex; flex-direction: column; line-height: 1.3; }
.sw-text b { font-size: 13px; font-weight: 500; }
.sw-text small { font-size: 11px; color: var(--text-muted); }
.field { margin-bottom: 14px; }
.field-label { display: block; min-height: 18px; margin-bottom: 4px; font-size: 12px; color: var(--text-muted); }
.field-label code { font-size: 10.5px; }
.input, .select { display: flex; align-items: center; justify-content: space-between; height: 32px; padding: 0 10px; border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--bg); color: var(--text); font-size: 13px; box-shadow: var(--shadow-hair); }
.input { width: 104px; font-family: var(--font-mono); font-size: 12.5px; }
.select { width: 136px; }
.select svg { width: 10px; height: 10px; color: var(--text-muted); }
.memo { position: absolute; z-index: 4; transform: translateY(-50%); padding: 9px 12px 11px; border: 1px solid var(--warn-edge); border-radius: var(--r-chip); background: var(--warn-soft); color: var(--text); box-shadow: var(--shadow-memo); }
.memo-tag { display: flex; align-items: center; gap: 6px; height: 16px; margin-bottom: 5px; font-size: 11.5px; font-weight: 700; color: var(--warn-ink); letter-spacing: .02em; }
.memo-tag i { width: 6px; height: 6px; border-radius: var(--r-circle); background: var(--warn); flex-shrink: 0; }
.memo p { margin: 0; font-size: 13px; line-height: 1.5; font-weight: 500; }
.memo::after { content: ""; position: absolute; top: 50%; width: var(--lead); border-top: 1px dashed var(--warn); }
.memo::before { content: ""; position: absolute; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: var(--r-circle); background: var(--warn); box-shadow: 0 0 0 2px var(--bg); }
.memo--east::after { right: 100%; }
.memo--east::before { right: calc(100% + var(--lead) - 4px); }
.memo--west::after { left: 100%; }
.memo--west::before { left: calc(100% + var(--lead) - 4px); }
.memo--rules { left: -64px; top: 372px; width: 176px; --lead: 45px; }
.memo--tun { left: 650px; top: 267px; width: 164px; --lead: 52px; }
.memo--port { left: 650px; top: 390px; width: 164px; --lead: 50px; }
.bracket { position: absolute; z-index: 3; left: 157px; top: 198px; height: 204px; width: 0; border-left: 1px dashed var(--warn); }
.bracket::before { content: ""; position: absolute; top: 0; left: -4px; width: 7px; border-top: 1px solid var(--warn); }
.bracket::after { content: ""; position: absolute; bottom: 0; left: -3.5px; width: 6px; height: 6px; border-right: 1.2px solid var(--warn); border-bottom: 1.2px solid var(--warn); transform: rotate(45deg); }
.ledger { position: relative; z-index: 5; margin: 0 16px; padding: 88px 40px 96px; border-radius: var(--r-plate); background: var(--bg-panel); color: var(--text); text-align: center; }
.ledger h2 { margin: 0 0 12px; font-weight: 800; font-size: 30px; line-height: 1.25; letter-spacing: -.02em; }
.ledger > p { margin: 0 auto; max-width: 560px; color: var(--text-muted); font-size: 15.5px; }
/* 通用 tab 及评测项目单。 */
.tab-list { display: flex; gap: 8px; overflow-x: auto; max-width: 100%; padding: 4px; margin-bottom: 24px; scrollbar-width: thin; }
.tab-list [role="tab"] { flex-shrink: 0; min-height: 44px; border: 1px solid var(--clear); border-radius: var(--r-btn); padding: 10px 18px; background: var(--bg-panel); color: var(--text-muted); text-align: left; }
.tab-list [role="tab"][aria-selected="true"] { background: var(--bg); color: var(--accent-dark); border-color: var(--border); box-shadow: var(--shadow-card); }
.tab-list [role="tab"]:hover { color: var(--text); }
.tab-panel { min-width: 0; }
.review-layout { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 7fr); gap: 32px; text-align: left; margin-top: 40px; }
.review-tabs { display: flex; flex-direction: column; overflow: visible; padding: 0; gap: 10px; margin-bottom: 0; }
.review-tabs [role="tab"] { position: relative; display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 5px 12px; width: 100%; padding: 17px 18px; background: var(--clear); color: var(--text); }
.review-tabs [role="tab"][aria-selected="true"]::before { content: ""; position: absolute; left: 0; top: 17px; bottom: 17px; width: 3px; border-radius: var(--r-pill); background: var(--accent); }
.review-tabs .step-mark { grid-row: 1 / 3; }
.step-mark { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: var(--r-circle); background: var(--warn-soft); color: var(--warn-ink); font-family: var(--font-mono); font-size: 12px; }
.review-tabs strong { font-size: 15px; }
.review-tabs small { color: var(--text-muted); font-size: 12px; line-height: 1.5; }
.review-panel { position: relative; padding: 28px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg); color: var(--text); box-shadow: var(--shadow-card); }
.review-panel h3 { margin: 0 0 16px; padding-right: 90px; }
.review-panel > p { color: var(--text-muted); line-height: 1.85; }
.review-note { position: absolute; top: 20px; right: 20px; }
.mini-window { min-width: 0; margin-top: 24px; border: 1px solid var(--border); border-radius: var(--r-win); overflow: hidden; background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-card); }
.mini-chrome { display: flex; align-items: center; gap: 20px; min-height: 42px; padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--bg); color: var(--text-muted); font-size: 12px; }
.mini-window pre { margin: 0; border: 0; border-radius: 0; }
.mini-content { padding: 20px; }
.toc { position: sticky; top: 12px; z-index: 12; display: flex; gap: 8px; max-width: 100%; overflow-x: auto; padding: 10px; margin-bottom: 32px; border: 1px solid var(--border); border-radius: var(--r-btn); background: var(--bg); color: var(--text); box-shadow: var(--shadow-card); }
.toc a { flex-shrink: 0; display: block; padding: 8px 12px; min-height: 40px; border-radius: var(--r-sm); white-space: nowrap; font-size: 14px; }
.toc a:hover, .toc a[aria-current] { background: var(--accent-soft); color: var(--accent-dark); }
.faq-item { border: 1px solid var(--border); border-radius: var(--r-card); padding: 0 24px; background: var(--bg); color: var(--text); box-shadow: var(--shadow-hair); }
.faq-item + .faq-item { margin-top: 12px; }
.faq-item summary { position: relative; padding: 21px 30px 21px 0; list-style: none; cursor: pointer; font-weight: 600; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 18px; font-size: 22px; color: var(--text-muted); }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding-bottom: 22px; color: var(--text-muted); line-height: 1.8; }
.faq-answer p:last-child { margin-bottom: 0; }
.term-card { scroll-margin-top: 28px; }
.term-card dt { margin-bottom: 12px; font-size: 20px; font-weight: 700; }
.term-card dd { margin: 0; color: var(--text-muted); line-height: 1.85; }
.term-alias { display: block; margin-top: 5px; color: var(--text-muted); font: 12px var(--font-mono); }
.client-head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.app-logo { width: 56px; height: 56px; flex-shrink: 0; }
.client-head h3 { margin: 0 0 5px; }
.client-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--text-muted); font-size: 13px; }
.client-card p { color: var(--text-muted); }
.client-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.client-extra { margin-top: 16px; font-size: 13px; }
.client-extra a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.badge, .tag { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; padding: 4px 9px; border: 1px solid var(--border); border-radius: var(--r-chip); background: var(--bg-panel); color: var(--text-muted); font-size: 12px; font-weight: 600; line-height: 1.5; overflow-wrap: anywhere; }
.badge-first { border-color: var(--accent-line); background: var(--accent-soft); color: var(--accent-dark); }
.badge-recommended { border-color: var(--border); background: var(--bg-panel-2); color: var(--text); }
.badge-retired { border-color: var(--border); background: var(--bg-panel); color: var(--text-muted); }
.tag-orange { border-color: var(--warn-edge); background: var(--warn-soft); color: var(--warn-ink); }
.article-card { display: flex; flex-direction: column; align-items: flex-start; }
.article-card h3 { margin-top: 16px; font-size: 20px; }
.article-card h3 a:hover { color: var(--accent-dark); }
.article-card p { color: var(--text-muted); }
.article-card time { margin-top: auto; padding-top: 16px; color: var(--text-muted); font: 12px var(--font-mono); }
.callout { margin: 24px 0; padding: 20px 24px; border: 1px solid var(--accent-line); border-left: 3px solid var(--accent); border-radius: var(--r-btn); background: var(--accent-soft); color: var(--text); }
.callout strong { display: block; margin-bottom: 6px; }
.callout p:last-child { margin-bottom: 0; }
.callout-note { border-color: var(--warn-edge); border-left-color: var(--warn); background: var(--warn-soft); color: var(--text); }
.table-scroll { overflow-x: auto; max-width: 100%; min-width: 0; border: 1px solid var(--border); border-radius: var(--r-btn); -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
.data-table th, .data-table td, .prose table th, .prose table td, .article-body table th, .article-body table td {
  min-width: 7em; padding: 14px 18px; border-bottom: 1px solid var(--border);
  overflow-wrap: normal; word-break: normal; vertical-align: top;
}
.data-table th, .prose table th, .article-body table th { background: var(--bg-panel); color: var(--text); font-weight: 600; }
.data-table td, .prose table td, .article-body table td { background: var(--bg); color: var(--text); }
.data-table tr:last-child td { border-bottom: 0; }
.prose table, .article-body table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; min-width: 0; border-collapse: collapse; }
.data-table code, .prose table code, .article-body table code { overflow-wrap: anywhere; white-space: normal; }
.article-download { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 40px; padding: 28px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-card); }
.article-download > div { min-width: 0; }
.article-download h2 { margin: 0 0 8px; font-size: 23px; }
.article-download p { margin-bottom: 0; color: var(--text-muted); }
.article-download .btn { flex-shrink: 0; }
.dl-fab { position: fixed; right: 24px; bottom: max(24px, env(safe-area-inset-bottom)); z-index: 50; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 10px 16px; border-radius: var(--r-btn); background: var(--accent); color: var(--bg); font-size: 14px; font-weight: 600; box-shadow: var(--shadow-primary), var(--shadow-fab); }
.dl-fab svg { width: 16px; height: 16px; }
.dl-fab:hover { background: var(--accent-dark); color: var(--bg); }
/* 预览用色板；颜色仍全部来自令牌。 */
.swatch-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.swatch { border: 1px solid var(--border); border-radius: var(--r-btn); overflow: hidden; background: var(--bg); color: var(--text); }
.swatch-paint { height: 72px; border-bottom: 1px solid var(--border); }
.swatch code { display: block; padding: 12px; font-size: 12px; }
.paint-bg { background: var(--bg); }
.paint-panel { background: var(--bg-panel); }
.paint-panel-2 { background: var(--bg-panel-2); }
.paint-border { background: var(--border); }
.paint-accent { background: var(--accent); }
.paint-accent-dark { background: var(--accent-dark); }
.paint-text { background: var(--text); }
.paint-muted { background: var(--text-muted); }
.paint-success { background: var(--success); }
.paint-warn { background: var(--warn); }
.paint-error { background: var(--error); }
.paint-faint { background: var(--text-faint); }
.paint-line { background: var(--line-soft); }
.paint-accent-soft { background: var(--accent-soft); }
.paint-accent-line { background: var(--accent-line); }
.paint-accent-wash { background: var(--accent-wash); }
.paint-warn-soft { background: var(--warn-soft); }
.paint-warn-edge { background: var(--warn-edge); }
.paint-warn-ink { background: var(--warn-ink); }
.paint-sheen { background: var(--sheen); }
.paint-veil { background: var(--veil); }
.preview-type { margin: 0 0 24px; }
.preview-display { font: 800 48px/1.14 var(--font-display); letter-spacing: -.02em; }
.preview-label { margin-top: 40px; margin-bottom: 16px; color: var(--text-muted); font: 12px var(--font-mono); }
@media (max-width: 1279px) {
  .hero { height: auto; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); height: auto; }
  .copy { padding: 48px 0 40px; text-align: center; }
  .copy .lede { margin-inline: auto; }
  .cta, .os-row { justify-content: center; }
  .bench { height: 520px; overflow: hidden; }
  .device { left: 50%; transform: translateX(-50%); top: 0; }
  .memo, .bracket { display: none; }
}
@media (max-width: 900px) {
  .review-layout { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .review-tabs { flex-direction: row; overflow-x: auto; padding: 4px; }
  .review-tabs [role="tab"] { width: 230px; }
  .swatch-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .copy h1 { font-size: clamp(24px, 5vw, 30px); letter-spacing: -.02em; }
}
@media (max-width: 640px) {
  .copy h1 { font-size: 28px; }
  .copy { padding-top: 36px; }
  .tagline { font-size: 11px; gap: 7px; }
  .lede { font-size: 15px; }
  .cta { flex-direction: column; align-items: stretch; margin-top: 24px; }
  .os-row { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .os-chip { font-size: 12px; padding-inline: 9px; }
  .ledger { margin: 0 8px; padding: 56px 20px; }
  .ledger h2 { font-size: 26px; }
  .review-panel { padding: 24px 18px; }
  .review-panel h3 { padding-right: 0; }
  .review-note { position: static; margin-bottom: 14px; }
  .article-download { flex-direction: column; align-items: stretch; padding: 24px 20px; }
  .dl-fab { right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); }
  .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .preview-display { font-size: 28px; }
  .faq-item { padding-inline: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .scan { animation: none; opacity: 1; transform: translateY(88px); }
}