/* 参数侧栏与平台标签共用同一套可访问状态。 */
.tab-set { min-width: 0; }
.tab-list { display: flex; align-items: stretch; gap: 8px; max-width: 100%; overflow-x: auto; padding: 4px; scrollbar-width: thin; }
.tab-list [role="tab"] {
  position: relative;
  flex-shrink: 0;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-ctl);
  background: var(--bg);
  color: var(--text-muted);
  text-align: left;
}
.tab-list [role="tab"]:hover { color: var(--text); border-color: var(--text-muted); }
.tab-list [role="tab"][aria-selected="true"] { background: var(--bg-panel); color: var(--accent); border-color: var(--accent); }
.tab-panel { min-width: 0; margin-top: 24px; }
.settings-layout { display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: 36px; align-items: start; }
.settings-layout .tab-list { display: flex; flex-direction: column; gap: 0; padding: 0; overflow: visible; }
.settings-layout [role="tab"] { width: 100%; padding: 19px 22px; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; background: var(--bg); color: var(--text); }
.settings-layout [role="tab"]::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--clear); }
.settings-layout [role="tab"][aria-selected="true"] { background: var(--bg-panel); color: var(--text); }
.settings-layout [role="tab"][aria-selected="true"]::before { background: var(--accent-grad); }
.tab-title { display: block; font-size: var(--text-base); font-weight: var(--weight-medium); }
.tab-description { display: block; margin-top: 5px; color: var(--text-muted); font-size: var(--text-sm); line-height: 1.7; }
.settings-layout .tab-panel { margin-top: 0; }
.tab-panel h3 { margin-top: 0; }
.tab-panel p { color: var(--text-muted); }
.config-chrome { margin-top: 24px; border: 1px solid var(--border); border-radius: var(--r-ctl); overflow: hidden; background: var(--bg); color: var(--text); }
.config-title { padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--bg-panel-2); color: var(--text-muted); font-family: var(--font-mono); font-size: var(--text-xs); }
.config-chrome pre { margin: 0; border: 0; border-radius: 0; }

.toc { position: sticky; top: 12px; z-index: 10; display: flex; gap: 8px; max-width: 100%; padding: 10px; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-ctl); background: var(--bg); color: var(--text-muted); overscroll-behavior-inline: contain; }
.toc a { display: inline-flex; align-items: center; flex-shrink: 0; min-height: 44px; padding: 8px 14px; border-radius: var(--r-ctl); }
.toc a:hover, .toc a[aria-current] { background: var(--bg-panel); color: var(--accent); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { position: relative; min-height: 60px; padding: 18px 40px 18px 0; cursor: pointer; list-style: none; color: var(--text); font-weight: var(--weight-medium); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 6px; top: 16px; font-family: var(--font-mono); font-size: 20px; color: var(--text-muted); }
.faq-item[open] summary::after { content: "−"; color: var(--accent); }
.faq-answer { padding-bottom: 24px; color: var(--text-muted); }
.faq-answer p:last-child { margin-bottom: 0; }
.term-card { scroll-margin-top: 24px; }
.term-card dt, .term-card h3 { margin-top: 0; margin-bottom: 8px; font-size: var(--text-h3); font-weight: var(--weight-medium); }
.term-card dd { margin: 0; color: var(--text-muted); }
.term-category { display: block; margin-bottom: 18px; font-size: var(--text-xs); color: var(--accent); }

.badge, .tag { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; padding: 3px 9px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg-panel); color: var(--text-muted); font-size: var(--text-xs); line-height: 1.6; overflow-wrap: anywhere; vertical-align: middle; }
.badge-featured { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.badge-recommended { background: var(--bg-panel); color: var(--text); }
.badge-retired { background: var(--bg-panel); color: var(--warn); border-color: var(--warn); }
.client-card { display: flex; flex-direction: column; gap: 20px; }
.client-head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.client-head h3 { margin: 0; font-size: 24px; }
.client-card p { margin-bottom: 0; color: var(--text-muted); }
.client-version { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--text-muted); }
.client-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.client-notes { padding-top: 16px; border-top: 1px solid var(--border); font-size: var(--text-sm); color: var(--text-muted); }
.article-card { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.article-card h3 { margin: 0; font-size: var(--text-h3); }
.article-card h3 a:hover { color: var(--accent); }
.article-card p { color: var(--text-muted); margin: 0; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: var(--text-xs); color: var(--text-muted); }
.article-card .btn-link { margin-top: auto; }
.callout { margin: 28px 0; padding: 22px 24px; border: 1px solid var(--border); border-left: 2px solid var(--accent); border-radius: var(--r-ctl); background: var(--bg-panel); color: var(--text); }
.callout p { color: var(--text-muted); }
.callout p:last-child { margin-bottom: 0; }
.callout-warn { border-left-color: var(--warn); }

.table-scroll { width: 100%; min-width: 0; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: var(--r-ctl); }
.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 {
  min-width: 7em;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  overflow-wrap: normal;
  word-break: normal;
}
.data-table th, .prose table th { background: var(--bg-panel-2); color: var(--text); font-weight: var(--weight-medium); }
.data-table td, .prose table td { background: var(--bg-panel); color: var(--text-muted); }
.data-table tr:last-child td { border-bottom: 0; }
.prose table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; min-width: 0; border-collapse: collapse; text-align: left; }
.data-table code, .prose table code { overflow-wrap: anywhere; }
.article-download { margin-top: 48px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.article-download h2 { margin: 0 0 8px; font-size: 24px; }
.article-download p { margin: 0; color: var(--text-muted); }
.dl-fab {
  position: fixed;
  z-index: 30;
  right: 24px;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100vw - 40px);
  min-height: 60px;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-panel);
  background: var(--bg-panel);
  color: var(--text);
  box-shadow: 0 12px 36px var(--shadow-soft), inset 0 1px 0 var(--edge-hi);
}
.dl-fab > svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; }
.dl-fab strong { display: block; font-size: 14px; font-weight: var(--weight-medium); }
.dl-fab small { display: block; font-size: var(--text-xs); color: var(--text-muted); }
.dl-fab:hover { border-color: var(--accent); }
.has-dl-fab .site-footer { padding-bottom: 110px; }

/* 首屏：标题一次入场，工作台保持静止。 */
.hero { padding-top: 44px; padding-bottom: 80px; }
.hero-light { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero-light::before, .hero-light::after { content: ""; position: absolute; transform-origin: 50% 0; transform: rotate(33deg); }
.hero-light::before { top: -150px; left: calc(50% + 660px); width: 240px; height: 700px; background: linear-gradient(180deg, var(--clear) 0%, var(--light-mid) 30%, var(--light-low) 82%, var(--clear) 100%); filter: blur(34px); }
.hero-light::after { top: -150px; left: calc(50% + 752px); width: 56px; height: 660px; background: linear-gradient(180deg, var(--clear) 0%, var(--light-core) 38%, var(--light-low) 90%, var(--clear) 100%); filter: blur(14px); }
.hero-hit { position: absolute; z-index: -1; top: 286px; left: calc(50% + 250px); width: 520px; height: 200px; border-radius: var(--r-circle); background: radial-gradient(ellipse at 60% 50%, var(--light-mid) 0%, var(--light-low) 45%, var(--clear) 72%); pointer-events: none; }
.hero-top { display: grid; grid-template-columns: minmax(0, 1fr) 372px; gap: 64px; align-items: end; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; min-height: 28px; max-width: 100%; margin: 0 0 22px; padding: 3px 13px 3px 11px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg-panel); color: var(--text-muted); font-size: 12.5px; letter-spacing: 0.01em; }
.eyebrow-dot { width: 6px; height: 6px; flex-shrink: 0; border-radius: var(--r-circle); background: var(--success); box-shadow: 0 0 0 3px var(--success-ring); }
.eyebrow-sep { color: var(--text-muted); }
.display { margin: 0 0 28px; font-size: var(--text-display); font-weight: var(--weight-medium); line-height: 1.14; letter-spacing: -0.02em; }
.ln { display: block; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.ln-in { display: inline-block; animation: lineRise 720ms var(--ease-out) both; }
.ln-in.d1 { animation-delay: 40ms; }
.ln-in.d2 { animation-delay: 160ms; }
.ln-soft { color: var(--text-muted); }
.mark { position: relative; display: inline-block; color: var(--text); }
.mark::after { content: ""; position: absolute; left: 0.04em; right: 0.02em; bottom: 0.02em; height: 3px; border-radius: var(--r-line); background: var(--accent-grad); transform-origin: 0 50%; animation: markDraw 420ms var(--ease-out) 700ms both; }
.platforms { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-height: 34px; }
.row-cap { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-right: 4px; }
.platforms a { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; padding: 5px 12px 5px 11px; border: 1px solid var(--border); border-radius: var(--r-ctl); font-size: var(--text-sm); color: var(--text-muted); }
.platforms a:hover { color: var(--text); border-color: var(--text-faint); background: var(--bg-panel); }
.platforms svg { display: block; width: 14px; height: 14px; flex-shrink: 0; }
.platforms .ic-linux { width: 13px; height: 15px; }
.hero-aside { padding-bottom: 4px; }
.lede { margin: 0 0 18px; font-size: var(--text-base); line-height: 1.75; color: var(--text-muted); }
.lede strong { color: var(--text); font-weight: var(--weight-medium); }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.chips a { display: inline-flex; align-items: center; max-width: 100%; min-height: 26px; padding: 3px 10px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg-panel); color: var(--text-muted); font-family: var(--font-mono); font-size: 11.5px; overflow-wrap: anywhere; }
.chips a:hover { color: var(--text); border-color: var(--text-faint); }
.enter { animation: fadeUp 600ms var(--ease-out) both; }
.enter.e1 { animation-delay: 0ms; }
.enter.e2 { animation-delay: 340ms; }
.enter.e3 { animation-delay: 460ms; }

.rig { position: relative; margin-top: 44px; height: 500px; }
.win { position: relative; width: 92%; height: 500px; border: 1px solid var(--border); border-radius: var(--r-panel); background-color: var(--bg-panel); background-image: linear-gradient(212deg, var(--sheen) 0%, var(--clear) 30%); color: var(--text); box-shadow: var(--shadow-window); overflow: hidden; }
.win::after { content: ""; position: absolute; inset: -1px; border: 1px solid var(--glint); border-radius: var(--r-panel); pointer-events: none; -webkit-mask-image: linear-gradient(222deg, var(--mask-solid) 0%, var(--mask-mid) 18%, var(--clear) 36%); mask-image: linear-gradient(222deg, var(--mask-solid) 0%, var(--mask-mid) 18%, var(--clear) 36%); }
.win-bar { position: relative; height: 40px; display: flex; align-items: center; padding-inline: 14px; border-bottom: 1px solid var(--border); }
.lights { display: flex; gap: 8px; }
.lights span { width: 11px; height: 11px; flex-shrink: 0; border-radius: var(--r-circle); }
.l-r { background: var(--error); }
.l-y { background: var(--warn); }
.l-g { background: var(--success); }
.win-title { position: absolute; left: 50%; transform: translateX(-50%); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-muted); letter-spacing: 0.02em; }
.win-body { display: grid; grid-template-columns: 188px minmax(0, 1fr) 392px; height: calc(100% - 40px); }
.win-body > * { min-width: 0; }
.win-side { padding: 14px 10px; border-right: 1px solid var(--border); }
.side-cap { padding: 0 10px 8px; font-size: 11px; color: var(--text-muted); letter-spacing: 0.04em; }
.side-item { position: relative; display: flex; align-items: center; gap: 10px; min-height: 34px; padding: 6px 10px; border-radius: var(--r-ctl); font-size: var(--text-sm); color: var(--text-muted); }
.side-item + .side-item { margin-top: 2px; }
.side-item svg { width: 15px; height: 15px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.side-item.is-on { background: var(--bg-panel-2); color: var(--text); }
.side-item.is-on::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 2px; border-radius: var(--r-line); background: var(--accent-grad); }
.win-main { min-width: 0; border-right: 1px solid var(--border); }
.main-tabs { display: flex; align-items: stretch; height: 34px; border-bottom: 1px solid var(--border); padding-left: 6px; }
.main-tab { display: flex; align-items: center; padding-inline: 14px; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }
.main-tab.is-on { background: var(--bg-panel-2); color: var(--text); border-inline: 1px solid var(--border); }
.code { max-width: 100%; overflow-x: auto; padding-block: 12px; font-family: var(--font-mono); font-size: 12.5px; line-height: 20px; color: var(--text); counter-reset: ln; }
.cl { white-space: pre; padding-right: 16px; min-width: max-content; }
.cl::before { counter-increment: ln; content: counter(ln); display: inline-block; width: 30px; margin-right: 18px; text-align: right; color: var(--text-muted); }
.cl.is-cur { background: var(--bg-panel-2); color: var(--text); }
.code .k { color: var(--text-muted); }
.code .p { color: var(--text-muted); }
.code .s { color: var(--text); }
.code .hl { color: var(--accent); }
.win-rules { padding: 16px 20px; min-width: 0; }
.rt-head { margin-bottom: 10px; }
.rt-title { display: block; font-size: var(--text-sm); font-weight: var(--weight-medium); }
.rt-sub { display: block; margin-top: 2px; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.rules { list-style: none; margin: 0; padding: 0; }
.rules li { display: flex; align-items: flex-start; gap: 11px; padding-block: 11px; border-top: 1px solid var(--border-soft); }
.rules li:last-child { border-bottom: 1px solid var(--border-soft); }
.rd { flex-shrink: 0; width: 7px; height: 7px; margin-top: 6px; border-radius: var(--r-circle); }
.rd-a { background: var(--accent); }
.rd-s { background: var(--success); }
.rd-n { background: var(--detail); }
.rule-q { display: block; font-family: var(--font-mono); font-size: 11.5px; line-height: 1.6; }
.rule-q.plain { font-family: var(--font-body); font-size: 12.5px; }
.rule-to { display: block; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.rt-cap { margin: 18px 0 8px; font-size: 11px; color: var(--text-muted); letter-spacing: 0.04em; }
.preset { display: flex; align-items: center; gap: 10px; height: 30px; font-size: 12.5px; color: var(--text-muted); }
.radio { position: relative; flex-shrink: 0; width: 13px; height: 13px; border: 1px solid var(--text-faint); border-radius: var(--r-circle); }
.preset.is-on { color: var(--text); }
.preset.is-on .radio { border-color: var(--accent); }
.preset.is-on .radio::after { content: ""; position: absolute; inset: 2px; border-radius: var(--r-circle); background: var(--accent-grad); }

.phone { position: absolute; top: 64px; right: 14px; width: 236px; height: 392px; padding-inline: 14px; border: 1px solid var(--border); border-radius: var(--r-phone); background: var(--bg); color: var(--text); box-shadow: var(--shadow-phone); overflow: hidden; }
.ph-cam { width: 8px; height: 8px; margin: 12px auto 4px; border-radius: var(--r-circle); background: var(--ink); box-shadow: 0 0 0 1px var(--border-soft); }
.ph-bar { display: flex; align-items: center; gap: 8px; height: 36px; margin-bottom: 2px; }
.ph-bar svg { width: 16px; height: 16px; flex-shrink: 0; fill: none; stroke: var(--text-muted); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.ph-title { font-size: 16px; font-weight: var(--weight-medium); letter-spacing: -0.01em; }
.ph-cap { height: 22px; display: flex; align-items: flex-end; padding-bottom: 3px; font-size: 10.5px; color: var(--accent); letter-spacing: 0.04em; }
.ph-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; height: 34px; border-bottom: 1px solid var(--border-soft); font-size: 12.5px; }
.ph-val { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.tg { position: relative; flex-shrink: 0; width: 30px; height: 18px; border-radius: var(--r-pill); background: var(--border); }
.tg::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: var(--r-circle); background: var(--text-muted); }
.tg.is-on { background: var(--accent-grad); }
.tg.is-on::after { transform: translateX(12px); background: var(--on-accent); }
.ck { flex-shrink: 0; width: 16px; height: 16px; border-radius: var(--r-check); border: 1px solid var(--text-faint); display: grid; place-items: center; }
.ck.is-on { border-color: var(--accent); background: var(--accent-grad); color: var(--on-accent); }
.ck svg { width: 10px; height: 10px; fill: none; stroke: var(--on-accent); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.ph-nav { position: absolute; left: 14px; right: 14px; bottom: 12px; height: 40px; display: flex; align-items: center; justify-content: space-around; border: 1px solid var(--border-soft); border-radius: var(--r-pill); background: var(--bg-panel); color: var(--text-muted); }
.ph-nav svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.ph-nav svg.is-on { stroke: var(--accent); }
.statusline { border-block: 1px solid var(--border); }
.statusline-in { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 36px; min-height: 44px; padding-block: 10px; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }
.statusline-in b { font-weight: var(--weight-regular); color: var(--text); margin-left: 6px; }
.sl-dot { display: inline-block; width: 6px; height: 6px; flex-shrink: 0; margin-right: 8px; border-radius: var(--r-circle); background: var(--success); vertical-align: 1px; }

/* 预览色板只负责显示令牌，不影响正式页面。 */
.swatch-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.swatch { min-width: 0; margin: 0; border: 1px solid var(--border); border-radius: var(--r-ctl); overflow: hidden; background: var(--bg-panel); color: var(--text); }
.swatch-sample { display: block; height: 58px; border-bottom: 1px solid var(--border); }
.swatch figcaption { padding: 12px; font-family: var(--font-mono); font-size: 11px; overflow-wrap: anywhere; }
.sw-bg { background: var(--bg); }
.sw-panel { background: var(--bg-panel); }
.sw-panel2 { background: var(--bg-panel-2); }
.sw-border { background: var(--border); }
.sw-border-soft { background: var(--border-soft); }
.sw-accent { background: var(--accent); }
.sw-accent-dark { background: var(--accent-dark); }
.sw-gradient { background: var(--accent-grad); }
.sw-accent-soft { background: var(--accent-soft); }
.sw-accent-shadow { background: var(--accent-shadow); }
.sw-text { background: var(--text); }
.sw-muted { background: var(--text-muted); }
.sw-faint { background: var(--text-faint); }
.sw-detail { background: var(--detail); }
.sw-white { background: var(--on-accent); }
.sw-success { background: var(--success); }
.sw-success-ring { background: var(--success-ring); }
.sw-warn { background: var(--warn); }
.sw-error { background: var(--error); }
.sw-ink { background: var(--ink); }
.sw-light-core { background: var(--light-core); }
.sw-light-mid { background: var(--light-mid); }
.sw-light-low { background: var(--light-low); }
.sw-glint { background: var(--glint); }
.sw-sheen { background: var(--sheen); }
.sw-edge { background: var(--edge-hi); }
.sw-shadow { background: var(--shadow-soft); }
.sw-shadow-deep { background: var(--shadow-deep); }
.sw-clear { background: var(--clear); }
.sw-mask { background: var(--mask-solid); }
.sw-mask-mid { background: var(--mask-mid); }
.preview-type h2 { margin-top: 0; }
.preview-type .display { font-size: 36px; }
.preview-note { margin-top: 24px; font-size: var(--text-sm); color: var(--text-muted); }

@keyframes lineRise { from { transform: translateY(105%); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes markDraw { from { transform: scaleX(0); opacity: 0; } to { transform: scaleX(1); opacity: 1; } }
@keyframes fadeUp { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }
@media (max-width: 1180px) {
  .hero-top { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .hero-aside { max-width: 560px; }
  .win-body { grid-template-columns: 170px minmax(0, 1fr); }
  .win-rules { display: none; }
  .win-main { border-right: 0; }
  .win { width: 100%; }
  .phone { right: -10px; top: 90px; }
}
@media (max-width: 800px) {
  .settings-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .settings-layout .tab-list { flex-direction: row; overflow-x: auto; padding: 4px; gap: 8px; }
  .settings-layout [role="tab"] { width: auto; border: 1px solid var(--border); border-radius: var(--r-pill); padding: 10px 16px; }
  .settings-layout [role="tab"]::before { display: none; }
  .settings-layout [aria-selected="true"] { border-color: var(--accent); }
  .settings-layout .tab-description { display: none; }
  .swatch-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .hero { padding-top: 32px; }
  .row-cap { display: none; }
  .win-body { grid-template-columns: minmax(0, 1fr); }
  .win-side { display: none; }
  .rig, .win { height: 420px; }
  .phone { transform: scale(0.82); transform-origin: 100% 0; right: 0; top: 120px; }
}
@media (max-width: 640px) {
  .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .preview-type .display { font-size: 28px; }
  .dl-fab { right: 20px; bottom: 20px; }
  .article-download { align-items: flex-start; }
  .platforms { gap: 8px; }
  .platforms a { min-height: 36px; }
}