.get-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 36px; min-width: 0; }
.get-actions .btn { flex: 0 1 auto; }
.appstore-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 56px;
  max-width: 100%;
  padding: 10px 20px;
  background: var(--ink);
  color: var(--on-accent);
  border: 1px solid var(--ink);
  border-radius: var(--r-btn);
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: background-color var(--speed);
}
.appstore-btn:hover { background: var(--accent-dark); color: var(--on-accent); border-color: var(--accent-dark); }
.appstore-btn svg { width: 25px; height: 29px; flex-shrink: 0; }
.appstore-btn__text { display: block; line-height: 1.2; }
.appstore-btn__text small { display: block; font-size: 11px; font-weight: var(--weight-normal); }
.appstore-btn__text strong { display: block; margin-top: 4px; font-size: 16px; font-weight: var(--weight-medium); }
.facts { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 24px 0 0; padding: 0; list-style: none; }
.fact { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; max-width: 100%; padding: 6px 12px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg-panel); color: var(--text-muted); font-size: 12px; overflow-wrap: anywhere; }
.fact strong { color: var(--text); font-weight: var(--weight-medium); }
.facts--dark .fact { background: var(--dark-card); color: var(--dark-muted); border-color: var(--dark-border); }
.facts--dark .fact strong { color: var(--on-accent); }

.feature-tabs { display: grid; grid-template-columns: minmax(180px, .7fr) minmax(0, 1.3fr); align-items: start; gap: 64px; }
.feature-tabs [role="tablist"] { display: flex; flex-direction: column; align-items: stretch; gap: 14px; }
.feature-tabs [role="tab"] {
  display: block;
  position: relative;
  padding: 8px 8px 8px 28px;
  text-align: left;
  border: 0;
  background: var(--clear);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: var(--weight-normal);
  line-height: 1.4;
  letter-spacing: var(--tracking-title);
}
.feature-tabs [role="tab"]::before { content: ""; position: absolute; left: 0; top: calc(50% - 4px); width: 8px; height: 8px; border-radius: var(--r-round); background: var(--clear); }
.feature-tabs [role="tab"][aria-selected="true"] { color: var(--text); }
.feature-tabs [role="tab"][aria-selected="true"]::before { background: var(--accent); }
.feature-tabs__panels { position: sticky; top: 32px; min-width: 0; }
.tab-panel { padding: 40px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-soft); min-width: 0; }
.tab-panel h3 { margin-bottom: 20px; }
.tab-panel p { line-height: 1.9; color: var(--text-muted); }
.tab-panel pre { margin-bottom: 0; }
.protocols { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; padding: 20px; background: var(--paper); color: var(--text-muted); border-radius: var(--r-btn); }
.protocols span { max-width: 100%; padding: 5px 10px; border: 1px solid var(--border); border-radius: var(--r-pill); font-family: var(--font-mono); font-size: 12px; overflow-wrap: anywhere; }
.tabs--row [role="tablist"] { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tabs--row [role="tab"] { min-height: 44px; padding: 10px 16px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg-panel); color: var(--text-muted); }
.tabs--row [role="tab"][aria-selected="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.toc { position: sticky; top: 0; z-index: 5; max-width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--r-float); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-soft); }
.toc ul { display: flex; align-items: center; gap: 8px; margin: 0; padding: 0; list-style: none; overflow-x: auto; overscroll-behavior-inline: contain; }
.toc li { flex-shrink: 0; }
.toc a { display: block; padding: 10px 14px; min-height: 44px; color: var(--text-muted); text-decoration: none; border-radius: var(--r-pill); white-space: nowrap; }
.toc a:hover, .toc a[aria-current] { background: var(--accent-wash); color: var(--accent-dark); }
.toc--static { position: static; }

.faq-group { border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); overflow: clip; }
.faq-item { padding-inline: 28px; }
.faq-item + .faq-item { border-top: 1px solid var(--border); }
.faq-item summary { position: relative; padding: 24px 32px 24px 0; min-height: 64px; list-style: none; cursor: pointer; font-weight: var(--weight-medium); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 24px; color: var(--accent); font-family: var(--font-mono); }
.faq-item[open] summary::after { content: "−"; }
.faq-item__answer { padding-bottom: 26px; color: var(--text-muted); line-height: 1.85; }
.faq-item__answer p + p { margin-top: 16px; }
.term-card { padding: 28px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-soft); }
.term-card__word { font-family: var(--font-mono); font-size: 20px; font-weight: var(--weight-normal); color: var(--accent); }
.term-card__category { display: block; margin-top: 8px; color: var(--text-muted); font-size: 12px; }
.term-card p { margin-top: 18px; color: var(--text-muted); line-height: 1.85; }

.plat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.plat-card {
  position: relative;
  min-width: 0;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--bg-panel);
  color: var(--text);
  box-shadow: var(--shadow-soft);
  scroll-margin-top: 24px;
}
.plat-card__head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; padding-right: 80px; }
.plat-card__head svg { width: 28px; height: 28px; color: var(--text-muted); }
.plat-card h3 { font-size: 24px; }
.plat-card p { margin-top: 12px; color: var(--text-muted); }
.plat-card__price { color: var(--text) !important; font-weight: var(--weight-medium); }
.plat-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 24px; }
.plat-actions .btn { font-size: 14px; }
.plat-card::before { display: none; position: absolute; top: 20px; right: 20px; padding: 4px 9px; border-radius: var(--r-pill); font-size: 11px; background: var(--accent-wash); color: var(--accent-dark); content: attr(data-mine); }
html[data-visitor-os="ios"] .plat-card[data-plat="ios"] { order: -1; }
html[data-visitor-os="mac"] .plat-card[data-plat="mac"] { order: -1; }
html[data-visitor-os="windows"] .plat-card[data-plat="windows"] { order: -1; }
html[data-visitor-os="android"] .plat-card[data-plat="android"] { order: -1; }
html[data-visitor-os="linux"] .plat-card[data-plat="linux"] { order: -1; }
html[data-visitor-os="ios"] .plat-card[data-plat="ios"]::before,
html[data-visitor-os="mac"] .plat-card[data-plat="mac"]::before,
html[data-visitor-os="windows"] .plat-card[data-plat="windows"]::before,
html[data-visitor-os="android"] .plat-card[data-plat="android"]::before,
html[data-visitor-os="linux"] .plat-card[data-plat="linux"]::before { display: block; }

.wx-open-tip { position: fixed; inset: auto 20px max(20px, env(safe-area-inset-bottom)); width: max-content; max-width: min(480px, calc(100% - 40px)); margin-inline: auto; padding: 18px 24px; border: 1px solid var(--border); border-radius: var(--r-float); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-float); z-index: var(--z-tip); font-size: 14px; }
.wx-open-tip button { min-height: 44px; margin-left: 8px; border: 0; background: var(--clear); color: var(--accent); }

.shot-row { display: flex; justify-content: center; align-items: start; flex-wrap: wrap; gap: 32px; }
.official-shot { width: min(280px, 100%); max-width: 100%; margin-inline: auto; flex-shrink: 0; }
.official-shot img { display: block; width: 100%; height: auto; border-radius: var(--r-shot); }
.official-shot { border: 1px solid var(--border); border-radius: var(--r-shot); background: var(--bg-panel); color: var(--text-muted); }
.official-shot figcaption { padding: 12px 14px; font-size: 12px; line-height: 1.7; }
.shot-placeholder { display: grid; align-content: center; gap: 14px; aspect-ratio: 750 / 1334; width: 100%; border-radius: var(--r-shot); background: var(--accent-field); color: var(--accent-dark); text-align: center; font-family: var(--font-mono); font-size: 14px; }
.shot-placeholder small { font-family: var(--font-body); color: var(--text-muted); }

.device-entry { display: flex; align-items: center; gap: 24px; padding: 28px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); text-decoration: none; box-shadow: var(--shadow-soft); transition: border-color var(--speed); }
.device-entry:hover { color: var(--text); border-color: var(--accent); }
.device-entry svg { width: 44px; height: 58px; flex-shrink: 0; color: var(--text-muted); }
.device-entry strong { display: block; font-size: 22px; font-weight: var(--weight-normal); }
.device-entry small { display: block; margin-top: 8px; font-size: 14px; color: var(--text-muted); }
.article-card { display: flex; flex-direction: column; align-items: start; gap: 18px; padding: 32px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-soft); }
.article-card__meta { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; color: var(--text-muted); }
.article-card h3 { font-size: 22px; line-height: 1.5; }
.article-card h3 a { color: var(--text); text-decoration: none; }
.article-card h3 a:hover { color: var(--accent); }
.article-card p { color: var(--text-muted); font-size: 14px; line-height: 1.85; }
.article-card__link { margin-top: auto; padding-top: 8px; font-size: 14px; }

.callout { margin-block: 24px; padding: 24px 28px; border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--r-btn); background: var(--accent-wash); color: var(--text); line-height: 1.85; }
.callout strong { display: block; margin-bottom: 8px; font-weight: var(--weight-medium); }
.callout--warn { border-left-color: var(--warn); background: var(--paper); color: var(--text); }
.callout--error { border-left-color: var(--error); background: var(--paper); color: var(--text); }
.group-list { margin: 0; padding: 0; list-style: none; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); overflow: clip; }
.group-list li + li { border-top: 1px solid var(--border); }
.group-list a { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 64px; padding: 18px 24px; color: var(--text); text-decoration: none; }
.group-list a::after { content: "›"; color: var(--text-muted); flex-shrink: 0; }
.store-guide { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 32px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-soft); }
.store-guide__copy { min-width: 0; }
.store-guide__copy p { margin-top: 14px; color: var(--text-muted); font-size: 14px; }
.store-guide .appstore-btn { flex-shrink: 0; }

.table-scroll { overflow-x: auto; max-width: 100%; min-width: 0; margin-block: 24px; border: 1px solid var(--border); border-radius: var(--r-btn); -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; background: var(--bg-panel); color: var(--text); }
.data-table th, .data-table td, .prose table th, .prose table td { min-width: 7em; padding: 16px 20px; vertical-align: top; overflow-wrap: normal; word-break: normal; white-space: normal; border-bottom: 1px solid var(--border); }
.data-table th, .prose table th { background: var(--paper); color: var(--text); font-weight: var(--weight-medium); }
.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; font-size: 14px; text-align: left; background: var(--bg-panel); color: var(--text); }
#install table code { overflow-wrap: normal; word-break: normal; white-space: pre; }
#install td { max-width: 45em; }
#install .command { display: block; max-width: 100%; overflow-x: auto; padding-block: 8px; }

.dl-fab { position: fixed; right: 24px; bottom: max(24px, env(safe-area-inset-bottom)); display: inline-flex; align-items: center; gap: 12px; min-height: 56px; max-width: calc(100% - 48px); padding: 14px 20px; border-radius: var(--r-float); background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-btn); text-decoration: none; z-index: var(--z-fab); }
.dl-fab:hover { background: var(--accent-dark); color: var(--on-accent); }
.dl-fab svg { width: 22px; height: 22px; flex-shrink: 0; }
.has-article-fab { padding-bottom: 100px; }

.facts-band { background: var(--bg-panel-2); color: var(--on-accent); padding-top: var(--section-space); padding-bottom: var(--section-space); }
.facts-band .section-head { margin-inline: auto; text-align: center; }
.facts-band .section-head p { color: var(--dark-muted); }
.verify-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.verify-stack { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.verify-card { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); overflow: clip; border-radius: var(--r-card); background: var(--dark-card); color: var(--on-accent); }
.verify-card__fact { display: grid; align-content: center; min-width: 0; min-height: 240px; padding: 28px; background: var(--black); color: var(--on-accent); font-family: var(--font-mono); font-size: clamp(18px, 1.5vw, 24px); overflow-wrap: anywhere; }
.verify-card__copy { min-width: 0; padding: 28px; }
.verify-card__copy h3 { font-size: 21px; }
.verify-card__copy p { margin-top: 16px; color: var(--dark-muted); font-size: 14px; line-height: 1.85; }
.verify-card__copy a { color: var(--accent-light); }

.preview-section { padding-top: var(--section-space); padding-bottom: var(--section-space); }
.preview-section h2 { margin-bottom: 32px; }
.preview-section h3 + p { margin-top: 16px; }
.preview-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.swatches { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; }
.swatch { min-width: 0; padding: 12px; border: 1px solid var(--border); border-radius: var(--r-btn); background: var(--bg-panel); color: var(--text); }
.swatch__color { display: block; height: 64px; margin-bottom: 10px; border: 1px solid var(--border); border-radius: var(--r-tile); }
.swatch code { display: block; color: var(--text-muted); font-size: 12px; }
.swatch--bg .swatch__color { background: var(--bg); }
.swatch--panel .swatch__color { background: var(--bg-panel); }
.swatch--dark .swatch__color { background: var(--bg-panel-2); }
.swatch--paper .swatch__color { background: var(--paper); }
.swatch--border .swatch__color { background: var(--border); }
.swatch--strong .swatch__color { background: var(--border-strong); }
.swatch--accent .swatch__color { background: var(--accent); }
.swatch--accent-dark .swatch__color { background: var(--accent-dark); }
.swatch--field .swatch__color { background: var(--accent-field); }
.swatch--wash .swatch__color { background: var(--accent-wash); }
.swatch--light .swatch__color { background: var(--accent-light); }
.swatch--direct .swatch__color { background: var(--direct); }
.swatch--direct-text .swatch__color { background: var(--direct-text); }
.swatch--direct-wash .swatch__color { background: var(--direct-wash); }
.swatch--text .swatch__color { background: var(--text); }
.swatch--muted .swatch__color { background: var(--text-muted); }
.swatch--faint .swatch__color { background: var(--text-faint); }
.swatch--white .swatch__color { background: var(--on-accent); }
.swatch--ink .swatch__color { background: var(--ink); }
.swatch--black .swatch__color { background: var(--black); }
.swatch--dark-card .swatch__color { background: var(--dark-card); }
.swatch--dark-border .swatch__color { background: var(--dark-border); }
.swatch--dark-muted .swatch__color { background: var(--dark-muted); }
.swatch--success .swatch__color { background: var(--success); }
.swatch--success-ring .swatch__color { background: var(--success-ring); }
.swatch--warn .swatch__color { background: var(--warn); }
.swatch--warn-text .swatch__color { background: var(--warn-text); }
.swatch--error .swatch__color { background: var(--error); }
.swatch--error-text .swatch__color { background: var(--error-text); }
.swatch--focus .swatch__color { background: var(--focus-ring); }
.swatch--veil .swatch__color { background: var(--veil); }
.swatch--clear .swatch__color { background: var(--clear); }
.type-display { font-size: var(--size-h1); line-height: 1.16; font-family: var(--font-display); letter-spacing: var(--tracking-title); }
.type-small { font-size: 13px; color: var(--text-muted); }
.preview-header .mainnav { display: block; }
.preview-header .brand__mark { background: var(--bg-panel); color: var(--text); }
.preview-header .brand__mark::after { content: ""; display: block; margin: 8px; height: 16px; border: 1.5px solid var(--accent); border-radius: var(--r-focus); opacity: .55; }

@media (max-width: 1280px) {
  .preview-header .mainnav__list li + li::before { margin-inline: 9px; }
}
@media (max-width: 1023px) {
  .feature-tabs { gap: 32px; grid-template-columns: minmax(160px, .6fr) minmax(0, 1.4fr); }
  .verify-grid { grid-template-columns: minmax(0, 1fr); }
  .preview-header .topbar__inner { flex-wrap: wrap; gap: 12px 16px; padding-top: 14px; padding-bottom: 10px; }
  .preview-header .mainnav { order: 3; width: 100%; overflow-x: auto; }
  .preview-header .brand__sub { display: inline; }
}
@media (max-width: 768px) {
  .feature-tabs { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .feature-tabs [role="tablist"] { flex-direction: row; overflow-x: auto; padding: 4px; gap: 8px; }
  .feature-tabs [role="tab"] { flex-shrink: 0; min-height: 44px; padding: 10px 16px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg-panel); color: var(--text-muted); font-size: 16px; }
  .feature-tabs [role="tab"]::before { display: none; }
  .feature-tabs [role="tab"][aria-selected="true"] { border-color: var(--accent); color: var(--accent); }
  .feature-tabs__panels { position: static; }
  .tab-panel { padding: 28px; }
  .plat-grid { grid-template-columns: minmax(0, 1fr); }
  .store-guide { align-items: start; flex-direction: column; }
}
@media (max-width: 640px) {
  .get-actions { margin-top: 28px; gap: 10px; }
  .facts { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .fact { font-size: 11px; padding: 5px 9px; }
  .shot-row { flex-direction: column; align-items: center; }
  .official-shot { width: min(280px, 100%); }
  .plat-card, .article-card, .term-card, .store-guide { padding: 24px; }
  .plat-card__head { padding-right: 0; margin-top: 20px; }
  .plat-card::before { top: 12px; right: 16px; }
  .faq-item { padding-inline: 20px; }
  .device-entry { gap: 18px; padding: 22px; }
  .verify-card { grid-template-columns: minmax(0, 1fr); }
  .verify-card__fact { min-height: 140px; }
  .callout { padding: 20px; }
  .dl-fab { width: 52px; height: 52px; min-height: 52px; padding: 0; justify-content: center; right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); border-radius: var(--r-pill); }
  .dl-fab__text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  #install table, #install tbody, #install tr, #install td, #install th { display: block; width: 100%; min-width: 0; }
  #install thead { display: none; }
  #install tr { padding: 16px; border-bottom: 1px solid var(--border); }
  #install td, #install th { padding: 8px 0; border: 0; max-width: 100%; }
  #install td::before { content: attr(data-label); display: block; color: var(--text-muted); font-size: 12px; margin-bottom: 4px; }
  #install td code { display: inline-block; max-width: 100%; overflow-x: auto; vertical-align: top; word-break: normal; overflow-wrap: normal; white-space: pre; }
  .preview-header .brand__sub { display: none; }
}