/* tabs.js 以 data-tabs 为边界；每组 tablist 只控制本组面板。 */
.tab-set {min-width:0}
.tab-rail {display:flex;align-items:center;gap:8px;overflow-x:auto;max-width:100%;padding:6px 2px 12px;scrollbar-width:thin}
.tab-rail [role="tab"] {display:inline-flex;align-items:center;justify-content:center;gap:8px;flex-shrink:0;min-height:44px;padding:10px 18px;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-bg);color:var(--c-muted);font-weight:600}
.tab-rail [role="tab"]:hover {color:var(--c-accent-dark)}
.tab-rail [aria-selected="true"] {background:var(--c-panel-2);color:var(--c-text);border-color:var(--c-accent)}
[role="tabpanel"] {min-width:0;scroll-margin-top:96px}
.feature-browser {display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;align-items:start}
.feature-list {display:flex;flex-direction:column;gap:12px;min-width:0}
.feature-tab {position:relative;display:flex;align-items:center;gap:14px;min-height:76px;width:100%;padding:18px 20px;border:1px solid var(--c-clear);border-radius:var(--r-shell);background:var(--c-clear);color:var(--c-text);text-align:left;font-weight:650}
.rank-medal {display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;flex-shrink:0;border:1px solid var(--c-accent);border-radius:var(--r-circle);color:var(--c-accent-dark);font-family:var(--f-mono);font-size:13px}
.feature-tab .tag {margin-left:auto}
.feature-tab[aria-selected="true"] {background:var(--c-bg);color:var(--c-text);border-color:var(--c-border);box-shadow:var(--sh-float)}
.feature-progress {position:absolute;bottom:0;left:24px;right:24px;height:3px;border-radius:var(--r-pill);background:var(--c-accent);transform:scaleX(0);transform-origin:left}
[data-autoplay].is-playing .feature-tab[aria-selected="true"] .feature-progress {animation:feature-clock 8s linear forwards}
.feature-detail {position:relative;min-height:360px;padding:36px;border:1px solid var(--c-border);border-radius:var(--r-shell);background:var(--c-bg);color:var(--c-text);box-shadow:var(--sh-float)}
.feature-detail h3 {margin:0 64px 18px 0}
.feature-detail p {color:var(--c-muted);line-height:1.85}
.feature-detail pre {margin:24px 0 0}
.feature-icon {position:absolute;top:24px;right:24px;display:grid;place-items:center;width:48px;height:48px;border-radius:var(--r-md);color:var(--c-text)}
.feature-icon .ico {width:24px;height:24px}
.object-mint {background:var(--c-mint);color:var(--c-text)}
.object-sky {background:var(--c-sky);color:var(--c-text)}
.object-lavender {background:var(--c-lavender);color:var(--c-text)}
.object-blush {background:var(--c-blush);color:var(--c-text)}
@keyframes feature-clock {to {transform:scaleX(1)}}
.toc {display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px;min-width:0}
.toc a {display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-bg);color:var(--c-muted);font-size:14px}
.toc a:hover,.toc a[aria-current="location"] {background:var(--c-panel-2);color:var(--c-accent-dark);text-decoration:none}
.toc-sticky {position:sticky;top:16px;z-index:10;align-self:start}
.document-layout {display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;align-items:start}
.document-layout > * {min-width:0}
.document-layout > .toc {flex-direction:column}
/* toc-sticky 的直接父级必须覆盖全部正文，不能另包只有目录高的容器。 */
.faq-item {border:1px solid var(--c-border);border-radius:var(--r-object);background:var(--c-bg);color:var(--c-text);margin-bottom:12px}
.faq-item summary {position:relative;list-style:none;cursor:pointer;min-height:64px;padding:20px 56px 20px 24px;font-weight:650}
.faq-item summary::-webkit-details-marker {display:none}
.faq-item summary::after {content:"+";position:absolute;right:24px;top:19px;color:var(--c-accent-dark);font-family:var(--f-mono);font-size:20px}
.faq-item[open] summary::after {content:"−"}
.faq-answer {padding:0 24px 24px;color:var(--c-muted)}
.faq-answer p:last-child {margin-bottom:0}
.term-card {padding:28px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-bg);color:var(--c-text);min-width:0}
.term-card dt {font-family:var(--f-display);font-size:21px;font-weight:700;margin-bottom:8px}
.term-card dd {margin:0;color:var(--c-muted)}
.term-en {display:block;font-family:var(--f-mono);font-size:12px;color:var(--c-muted);margin-top:4px;font-weight:400}
.client-card {position:relative;min-width:0;padding:30px;border:1px solid var(--c-border);border-radius:var(--r-shell);background:var(--c-bg);color:var(--c-text);box-shadow:var(--sh-float)}
.client-card + .client-card {margin-top:24px}
.client-head {display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:20px}
.client-heading {min-width:0;flex:1}
.client-heading h3 {margin:0 0 6px}
.client-logo {width:56px;height:56px;flex-shrink:0}
.client-card p {color:var(--c-muted)}
.client-meta {display:flex;flex-wrap:wrap;gap:8px 18px;margin:16px 0;color:var(--c-muted);font-size:13px}
[data-rev]:empty {display:none}
.client-actions {display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge {display:inline-flex;align-items:center;justify-content:center;gap:6px;max-width:100%;min-height:26px;padding:4px 10px;border:1px solid var(--c-border);border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--c-panel);color:var(--c-text-2);overflow-wrap:anywhere}
.badge-first {border-color:var(--c-accent);background:var(--c-bg);color:var(--c-accent-dark)}
.badge-recommended {border-color:var(--c-accent);background:var(--c-panel);color:var(--c-accent-dark)}
.badge-archived {background:var(--c-panel-2);color:var(--c-text-2)}
.status-dot {width:6px;height:6px;border-radius:var(--r-circle);background:var(--c-success);flex-shrink:0}
.post-card {display:flex;flex-direction:column;min-width:0;padding:28px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-bg);color:var(--c-text);box-shadow:var(--sh-float)}
.post-card h3 {font-size:20px;line-height:1.5;margin:20px 0 12px}
.post-card h3 a {color:var(--c-text)}
.post-card h3 a:hover {color:var(--c-accent-dark)}
.post-card p {font-size:14px;color:var(--c-muted)}
.post-meta {display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:var(--c-muted);font-size:12px}
.post-link {margin-top:auto;font-size:14px;padding-top:16px}
.callout {position:relative;margin:28px 0;padding:24px 28px;border:1px solid var(--c-border);border-left:4px solid var(--c-line);border-radius:var(--r-md);background:var(--c-panel);color:var(--c-text)}
.callout p:last-child {margin-bottom:0}
.callout-title {font-weight:700;margin-bottom:8px}
.callout-warning {border-left-color:var(--c-warn)}
.callout-error {border-left-color:var(--c-error)}
.callout-success {border-left-color:var(--c-success)}
.table-scroll {overflow-x:auto;max-width:100%;min-width:0;border:1px solid var(--c-border);border-radius:var(--r-sm);overscroll-behavior-inline:contain}
.data-table {width:100%;border-collapse:collapse;background:var(--c-bg);color:var(--c-text);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(--c-border);text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal}
.data-table th,.prose table th {background:var(--c-panel);color:var(--c-text);font-weight:650}
.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;background:var(--c-bg);color:var(--c-text)}
.article-body table th,.article-body table td {min-width:7em;padding:14px 18px;overflow-wrap:normal;word-break:normal;border-bottom:1px solid var(--c-border);text-align:left}
.article-body table th {background:var(--c-panel);color:var(--c-text)}
.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;flex-wrap:wrap;margin-top:64px;padding:30px;border:1px solid var(--c-border);border-radius:var(--r-shell);background:var(--c-panel);color:var(--c-text)}
.article-download h3 {margin:0 0 8px}
.article-download p {margin:0;color:var(--c-muted)}
.dl-fab {position:fixed;right:24px;bottom:24px;z-index:20;display:inline-flex;align-items:center;justify-content:center;gap:12px;max-width:calc(100% - 32px);min-height:56px;padding:12px 18px;border:1px solid var(--c-border);border-radius:var(--r-md);background:var(--c-text);color:var(--c-bg);box-shadow:var(--sh-float)}
.dl-fab:hover {background:var(--c-text-2);color:var(--c-bg);text-decoration:none}
.dl-fab .ico {width:22px;height:22px}
.dl-fab strong {display:block;font-size:14px}
.dl-fab small {display:block;font-size:12px;color:var(--c-bg)}
.has-dl-fab .site-footer {padding-bottom:110px}
/* 仅预览页使用的色板与状态陈列。 */
.preview-grid {display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.preview-grid > * {min-width:0}
.swatch {border:1px solid var(--c-border);border-radius:var(--r-sm);overflow:hidden;background:var(--c-bg);color:var(--c-text)}
.swatch-color {height:72px;background:var(--swatch);color:var(--c-text)}
.swatch-label {display:block;padding:12px;font-family:var(--f-mono);font-size:12px;overflow-wrap:anywhere}
.sw-bg {--swatch:var(--c-bg)}
.sw-panel {--swatch:var(--c-panel)}
.sw-panel-2 {--swatch:var(--c-panel-2)}
.sw-border {--swatch:var(--c-border)}
.sw-line {--swatch:var(--c-line)}
.sw-accent {--swatch:var(--c-accent)}
.sw-accent-dark {--swatch:var(--c-accent-dark)}
.sw-text {--swatch:var(--c-text)}
.sw-text-2 {--swatch:var(--c-text-2)}
.sw-muted {--swatch:var(--c-muted)}
.sw-faint {--swatch:var(--c-faint)}
.sw-success {--swatch:var(--c-success)}
.sw-warn {--swatch:var(--c-warn)}
.sw-error {--swatch:var(--c-error)}
.sw-mint {--swatch:var(--c-mint)}
.sw-sky {--swatch:var(--c-sky)}
.sw-lavender {--swatch:var(--c-lavender)}
.sw-blush {--swatch:var(--c-blush)}
.sw-hair {--swatch:var(--c-hair)}
.sw-veil {--swatch:var(--c-veil)}
.sw-glow {--swatch:var(--c-glow)}
.sw-glow-2 {--swatch:var(--c-glow-2)}
.sw-shadow {--swatch:var(--c-shadow-blob)}
.sw-clear {--swatch:var(--c-clear)}
.type-sample {margin-bottom:28px}
.type-display {font-family:var(--f-display);font-size:48px;line-height:1.2;font-weight:800}
.state-row {display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-block:20px}
@media (max-width:900px) {
  .feature-browser {grid-template-columns:minmax(0,1fr)}
  .feature-list {flex-direction:row;overflow-x:auto;max-width:100%;padding:6px 2px 20px}
  .feature-tab {width:auto;flex-shrink:0;min-height:60px;padding:12px 16px;gap:10px}
  .feature-tab .tag {margin-left:0}
  .feature-progress {left:16px;right:16px}
  .document-layout {grid-template-columns:minmax(0,1fr)}
  .document-layout > .toc {flex-direction:row}
  .toc-sticky {position:static}
}
@media (max-width:640px) {
  .feature-detail {padding:24px}
  .feature-detail h3 {font-size:20px;margin-right:52px}
  .feature-icon {top:20px;right:20px;width:40px;height:40px}
  .client-card,.term-card,.post-card {padding:22px}
  .client-head {gap:12px}
  .client-actions .btn {flex:1 1 150px}
  .preview-grid {grid-template-columns:repeat(2,minmax(0,1fr))}
  .type-display {font-size:30px}
  .dl-fab {right:16px;bottom:16px}
  .callout {padding:20px}
}
@media (prefers-reduced-motion:reduce) {
  [data-autoplay].is-playing .feature-tab[aria-selected="true"] .feature-progress {animation:none}
}