.tab-shell {
  min-width: 0;
}

.tab-list,
[role="tablist"] {
  display: flex;
  max-width: 100%;
  align-items: center;
  gap: 6px;
  padding: 5px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  scrollbar-width: thin;
}

.tab-list [role="tab"],
[role="tablist"] [role="tab"] {
  min-width: 24px;
  min-height: 40px;
  flex: 0 0 auto;
  padding: 8px 15px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-transparent);
  color: var(--color-muted);
  font-weight: 700;
  white-space: nowrap;
}

.tab-list [role="tab"][aria-selected="true"],
[role="tablist"] [role="tab"][aria-selected="true"] {
  background: var(--color-accent);
  color: var(--color-white);
}

[role="tabpanel"] {
  min-width: 0;
  padding-top: 22px;
}

[role="tabpanel"][hidden] {
  display: none;
}

.toc-tabs {
  position: sticky;
  z-index: 20;
  top: 10px;
  display: flex;
  max-width: 100%;
  align-items: center;
  gap: 5px;
  margin-bottom: 30px;
  padding: 7px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  min-height: 38px;
  flex: 0 0 auto;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}

.toc-tabs a:hover,
.toc-tabs a.is-current,
.toc-tabs a[aria-current="location"] {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

body:has(.toc-tabs) section[id] {
  scroll-margin-top: calc(var(--header-height) + 76px);
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.faq-item summary {
  position: relative;
  min-height: 52px;
  padding: 14px 46px 14px 17px;
  color: var(--color-text);
  font-weight: 750;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 17px;
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 17px 17px;
  color: var(--color-muted);
}

.faq-answer > :last-child {
  margin-bottom: 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.plan-card {
  position: relative;
  min-width: 0;
  padding: 25px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
}

.plan-card.is-featured {
  border-color: var(--color-accent);
  background: var(--color-bg);
  box-shadow: var(--shadow-button), var(--shadow-card);
}

.plan-badge {
  position: absolute;
  top: -12px;
  right: 18px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 800;
}

.plan-name {
  margin-bottom: 6px;
  font-size: 18px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 14px 0;
  font-family: var(--font-display);
}

.plan-price strong {
  font-size: 38px;
  font-weight: 900;
  line-height: 1;
}

.plan-price span {
  color: var(--color-muted);
}

.plan-facts {
  display: grid;
  gap: 8px;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
}

.plan-facts li {
  position: relative;
  padding-left: 18px;
  color: var(--color-muted);
}

.plan-facts li::before {
  position: absolute;
  top: 0.62em;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  content: "";
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  -webkit-overflow-scrolling: touch;
}

.data-table,
.server-table,
.compare-table {
  width: 100%;
  min-width: 680px;
  margin: 0;
  border-collapse: collapse;
  color: var(--color-text);
}

.data-table th,
.data-table td,
.server-table th,
.server-table td,
.compare-table th,
.compare-table td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.data-table th,
.server-table th,
.compare-table th {
  background: var(--color-panel-strong);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.data-table tbody tr:last-child td,
.server-table tbody tr:last-child td,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.server-group td {
  background: var(--color-panel);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
}

.line-type {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.line-type.is-premium {
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.prose > .data-table {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.platform-card {
  display: flex;
  min-width: 0;
  min-height: 170px;
  align-items: flex-start;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
}

.platform-icon {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  margin-bottom: 16px;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.platform-icon svg {
  width: 24px;
  height: 24px;
}

.platform-name {
  margin-bottom: 4px;
  font-weight: 800;
}

.platform-card p {
  margin-bottom: 16px;
  color: var(--color-muted);
  font-size: 13px;
}

.platform-card .btn-small {
  width: 100%;
  margin-top: auto;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}

.article-card {
  display: flex;
  min-width: 0;
  min-height: 230px;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
  color: var(--color-text);
  transform-style: preserve-3d;
}

.article-card:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.article-card h3 {
  font-size: 20px;
}

.article-card p {
  color: var(--color-muted);
}

.article-more {
  margin-top: auto;
  color: var(--color-accent-dark);
  font-weight: 750;
}

.callout {
  position: relative;
  margin: 24px 0;
  padding: 18px 20px 18px 24px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.callout.warning {
  border-left-color: var(--color-warning);
}

.callout > :last-child {
  margin-bottom: 0;
}

.article-promo {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  align-items: center;
  margin-top: 42px;
  padding: 26px;
  border: 1px solid var(--color-ink-edge);
  border-radius: var(--radius-lg);
  background: var(--color-ink);
  color: var(--color-ink-text);
  box-shadow: var(--shadow-device);
}

.article-promo h2,
.article-promo h3 {
  color: var(--color-ink-text);
}

.article-promo p {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.hero-preview {
  position: relative;
  overflow-x: clip;
  padding-top: 46px;
  padding-bottom: 34px;
}

.hero-preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 56fr) minmax(0, 44fr);
  gap: 52px;
  align-items: center;
}

.hero-copy,
.hero-device-slot {
  min-width: 0;
}

.hero-device-slot {
  position: relative;
  margin-left: -38px;
}

.device-card {
  padding: 20px 20px 16px;
  border: 1px solid var(--color-ink-edge);
  border-radius: var(--radius-card);
  background: var(--color-ink);
  box-shadow: var(--shadow-device);
  transform: rotate(-0.6deg);
  transition: transform 450ms cubic-bezier(0.22, 0.7, 0.3, 1);
}

.device-card:hover {
  transform: rotate(0deg) translateY(-4px);
}

.device-bar,
.device-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.device-bar {
  padding: 0 4px 14px;
}

.device-title {
  color: var(--color-ink-text);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.device-title em {
  color: var(--color-ink-muted);
  font-style: normal;
}

.device-chips {
  display: flex;
  gap: 7px;
  padding: 0 4px 14px;
  flex-wrap: wrap;
}

.device-chip {
  padding: 5px 13px;
  border: 1px solid var(--color-ink-line-strong);
  border-radius: var(--radius-sm);
  color: var(--color-ink-muted);
  font-size: 12px;
  white-space: nowrap;
}

.device-chip.is-selected {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 750;
}

.device-lines {
  position: relative;
  padding: 12px;
  overflow: hidden;
  border: 1px solid var(--color-ink-line);
  border-radius: var(--radius-md);
  background: var(--color-ink-panel);
}

.device-scan {
  position: absolute;
  z-index: 0;
  top: 12px;
  right: 12px;
  left: 12px;
  height: 42px;
  border: 1px solid var(--color-accent-line);
  border-radius: var(--radius-sm);
  background: var(--color-accent-glass);
  animation: line-scan 17s ease-in-out infinite;
  pointer-events: none;
}

.device-line {
  position: relative;
  z-index: 1;
  display: flex;
  height: 42px;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
}

.device-line + .device-line {
  margin-top: 7px;
}

.mini-flag {
  width: 22px;
  height: 15px;
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid var(--color-ink-line-strong);
  border-radius: 3px;
  background: var(--color-white);
}

.mini-flag svg {
  width: 100%;
  height: 100%;
}

.device-line-name {
  min-width: 0;
  overflow: hidden;
  color: var(--color-ink-text);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.device-line-name code {
  margin-left: 6px;
  color: var(--color-ink-muted);
  font-size: 12px;
}

.device-line-type {
  margin-left: auto;
  padding: 2px 8px;
  flex: 0 0 auto;
  border: 1px solid var(--color-ink-line-strong);
  border-radius: var(--radius-xs);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.device-line-type.is-iepl {
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.device-line-status {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-status-on);
}

.device-foot {
  padding: 13px 4px 0;
}

.device-foot strong {
  color: var(--color-ink-text);
}

.hero-copy .eyebrow {
  margin-bottom: 18px;
}

.hero-copy .hero-title {
  font-size: 58px;
}

.hero-lede {
  max-width: 480px;
  margin-bottom: 14px;
  color: var(--color-muted);
}

.hero-lede strong {
  color: var(--color-text);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  flex-wrap: wrap;
  color: var(--color-muted);
  font-size: 13px;
}

.hero-trust strong {
  color: var(--color-text);
}

.trust-separator {
  color: var(--color-border);
}

.hero-shelf {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.shelf-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.shelf-label {
  width: 56px;
  flex: 0 0 auto;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.platform-inline,
.flag-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-muted);
  font-size: 12px;
}

.platform-inline svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

.flag-inline .mini-flag {
  border-color: var(--color-border);
}

.preview-section {
  padding-top: 64px;
  padding-bottom: 64px;
  border-top: 1px solid var(--color-border);
}

.preview-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.preview-heading p {
  margin: 0;
  color: var(--color-muted);
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.swatch {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.swatch-color {
  height: 74px;
  border-bottom: 1px solid var(--color-border);
}

.swatch-color.bg {
  background: var(--color-bg);
}

.swatch-color.panel {
  background: var(--color-panel);
}

.swatch-color.panel-strong {
  background: var(--color-panel-strong);
}

.swatch-color.border {
  background: var(--color-border);
}

.swatch-color.accent {
  background: var(--color-accent);
}

.swatch-color.accent-dark {
  background: var(--color-accent-dark);
}

.swatch-color.text {
  background: var(--color-text);
}

.swatch-color.muted {
  background: var(--color-muted);
}

.swatch-color.success {
  background: var(--color-success);
}

.swatch-color.warning {
  background: var(--color-warning);
}

.swatch-meta {
  padding: 10px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.type-specimen {
  display: grid;
  gap: 18px;
}

.type-display {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.1;
}

.type-body {
  max-width: 720px;
  color: var(--color-muted);
  font-size: 17px;
}

.type-mono {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 13px;
}

.component-stack {
  display: grid;
  gap: 22px;
}

.button-demo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.feature-browser {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.feature-options {
  display: grid;
  padding: 10px;
}

.feature-option {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 8px;
  align-items: center;
  min-height: 50px;
  padding: 8px 12px;
  border-left: 3px solid var(--color-transparent);
  color: var(--color-muted);
}

.feature-option code {
  font-size: 11px;
}

.feature-option.is-selected {
  border-left-color: var(--color-accent);
  background: var(--color-bg);
  color: var(--color-text);
}

.feature-detail {
  min-width: 0;
  padding: 28px;
  background: var(--color-ink);
  color: var(--color-ink-muted);
}

.feature-detail h3 {
  color: var(--color-ink-text);
}

.feature-detail .fact-pill {
  border-color: var(--color-ink-line-strong);
  background: var(--color-ink-panel);
  color: var(--color-ink-text);
}

.preview-footer {
  margin-top: 64px;
}

/* 扫描框步长 = 行高 48(home.css 覆盖)+ 行间 margin 7 = 55px。
   2026-08-21 用户打回:原 49px 是 components 默认行高 42+7 的产物,home.css 抬了行高
   却没同步这里,扫描框越往下越歪(第 6 行偏 30px)——两处数值耦合,改行高必须连这里一起改 */
@keyframes line-scan {
  0%,
  7% {
    transform: translateY(0);
  }

  14%,
  23% {
    transform: translateY(55px);
  }

  30%,
  39% {
    transform: translateY(110px);
  }

  46%,
  55% {
    transform: translateY(165px);
  }

  62%,
  71% {
    transform: translateY(220px);
  }

  78%,
  90% {
    transform: translateY(275px);
  }

  100% {
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .hero-preview-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-device-slot {
    order: 2;
    margin-left: 0;
  }

  .hero-copy {
    order: 1;
  }

  .hero-copy .hero-title {
    font-size: 40px;
  }

  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .swatch-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .pricing-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-browser {
    grid-template-columns: 1fr;
  }

  .feature-options {
    border-bottom: 1px solid var(--color-border);
  }

  .article-promo {
    grid-template-columns: 1fr;
  }

  .swatch-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero-preview {
    padding-top: 30px;
  }

  .hero-copy .hero-title {
    font-size: clamp(28px, 10vw, 40px);
  }

  .device-card {
    padding: 14px;
    transform: none;
  }

  .device-card:hover {
    transform: none;
  }

  .device-bar,
  .device-foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .device-chip {
    padding-inline: 9px;
    font-size: 11px;
  }

  .device-line {
    padding-inline: 7px;
  }

  .device-line-name code {
    display: none;
  }

  .platform-grid,
  .swatch-grid {
    grid-template-columns: 1fr 1fr;
  }

  .preview-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .toc-tabs {
    top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .device-scan {
    animation: none;
    opacity: 0.5;
  }

  .device-card,
  .device-card:hover {
    transform: none;
    transition: none;
  }
}