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

.tab-list {
  display: flex;
  max-width: 100%;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line-soft);
  border-radius: var(--radius-control);
  background: var(--color-panel);
  padding: 5px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-height: 42px;
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  background: transparent;
  padding: 8px 18px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

.tab-list [role="tab"]:hover {
  color: var(--color-text);
}

.tab-list [role="tab"].is-active,
.tab-list [role="tab"][aria-selected="true"] {
  color: var(--color-bg);
  background: var(--color-warning);
}

.tab-panel {
  padding-top: 24px;
}

.tab-panel[hidden] {
  display: none;
}

.toc-tabs {
  position: sticky;
  top: 10px;
  z-index: 45;
  display: flex;
  max-width: 100%;
  align-items: center;
  gap: 7px;
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-panel);
  padding: 7px;
  box-shadow: var(--shadow-cyan);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

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

.toc-tabs a:hover,
.toc-tabs a.is-current,
.toc-tabs a[aria-current="true"] {
  color: var(--color-bg);
  background: var(--color-warning);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: var(--border-thin) solid var(--color-line-soft);
  border-radius: var(--radius-control);
  background: var(--color-panel);
}

.faq-item[open] {
  border-color: var(--color-line);
  box-shadow: var(--shadow-cyan);
}

.faq-item summary {
  position: relative;
  min-height: 54px;
  cursor: pointer;
  list-style: none;
  padding: 15px 48px 15px 18px;
  color: var(--color-text);
  font-weight: 750;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 18px;
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: 22px;
  transform: translateY(-50%);
}

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

.faq-answer {
  border-top: var(--border-thin) solid var(--color-line-faint);
  padding: 17px 18px 20px;
  color: var(--color-muted);
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  padding: 28px;
  box-shadow: var(--shadow-cyan);
}

.plan-card.is-featured {
  border-color: var(--color-warning);
  background: var(--color-panel-strong);
}

.plan-card.is-current {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.plan-badge {
  position: absolute;
  top: -13px;
  right: 16px;
  max-width: calc(100% - 32px);
  border-radius: var(--radius-xs);
  background: var(--color-warning);
  padding: 4px 10px;
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  overflow: hidden;
}

.plan-name {
  margin-bottom: 8px;
  font-size: 22px;
}

.plan-period {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.plan-price {
  margin: 20px 0 14px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.plan-price small {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
}

.plan-features {
  flex: 1;
  margin: 8px 0 24px;
  padding-left: 1.2em;
  color: var(--color-muted);
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-panel);
  box-shadow: var(--shadow-cyan);
  -webkit-overflow-scrolling: touch;
}

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

.data-table th,
.data-table td {
  border-bottom: var(--border-thin) solid var(--color-line-faint);
  padding: 14px 16px;
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  color: var(--color-text);
  background: var(--color-panel-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.data-table td:first-child {
  color: var(--color-text);
  font-weight: 700;
}

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

.data-table tbody tr:hover {
  background: var(--color-cyan-wash);
}

.table-group td {
  color: var(--color-warning);
  background: var(--color-panel-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.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: 14px;
}

.platform-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-panel);
  padding: 22px 14px;
  text-align: center;
  box-shadow: var(--shadow-cyan);
}

.platform-icon {
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.platform-name {
  margin-bottom: 16px;
  font-weight: 800;
}

.platform-card .btn {
  width: 100%;
  margin-top: auto;
  padding-inline: 12px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  padding: 24px;
  box-shadow: var(--shadow-cyan);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.article-card:hover {
  border-color: var(--color-warning);
  transform: translateY(-3px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.article-card h3 {
  font-size: 21px;
}

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

.article-link {
  margin-top: auto;
  color: var(--color-line);
  font-weight: 750;
}

.callout {
  position: relative;
  margin: 26px 0;
  border: var(--border-thin) solid var(--color-line-soft);
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-control);
  background: var(--color-panel);
  padding: 20px 22px;
  color: var(--color-muted);
}

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

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

.article-promo {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  margin-top: 52px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel-strong);
  padding: clamp(24px, 5vw, 42px);
  box-shadow: var(--shadow-cyan);
}

.article-promo h2 {
  margin-bottom: 10px;
  font-size: clamp(27px, 4vw, 38px);
}

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

.float-cta {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 70;
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  padding: 11px 22px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  box-shadow: var(--shadow-pink);
  transition: transform var(--transition-fast);
}

.float-cta:hover {
  transform: translateY(-2px);
}

.float-cta svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

.hero-preview {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  overflow-x: clip;
  overflow-y: hidden;
  background:
    radial-gradient(1100px 560px at 88% -12%, var(--color-cyan-wash), transparent 62%),
    radial-gradient(1000px 640px at 6% 112%, var(--color-pink-wash), transparent 60%),
    var(--color-bg);
}

.hero-preview::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.4px 1.4px at 7% 18%, var(--color-star-strong) 50%, transparent 51%),
    radial-gradient(1px 1px at 15% 62%, var(--color-star-mid) 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 23% 34%, var(--color-star-strong) 50%, transparent 51%),
    radial-gradient(1px 1px at 31% 9%, var(--color-star-soft) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 44% 24%, var(--color-star-soft) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 66% 15%, var(--color-star-strong) 50%, transparent 51%),
    radial-gradient(1px 1px at 74% 40%, var(--color-star-soft) 50%, transparent 51%),
    radial-gradient(1.3px 1.3px at 84% 22%, var(--color-star-mid) 50%, transparent 51%),
    radial-gradient(1px 1px at 92% 55%, var(--color-star-soft) 50%, transparent 51%);
}

.hero-preview-inner {
  position: relative;
  z-index: 2;
  display: flex;
  width: 100%;
  max-width: 1220px;
  min-height: calc(100svh - var(--header-height));
  margin-inline: auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px var(--gutter) 30px;
  text-align: center;
}

.hero-preview h1 {
  margin: 20px 0 0;
  font-size: clamp(52px, 5.4vw, 66px);
  line-height: 1.12;
}

.hero-yellow {
  color: var(--color-warning);
}

.hero-slant {
  display: inline-block;
  color: var(--color-accent);
  font-style: italic;
  transform: rotate(-4deg) translateY(-3px);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 26px;
}

.hero-copy {
  max-width: 640px;
  margin: 20px auto 0;
  color: var(--color-muted);
  font-size: 17px;
  line-height: 1.9;
}

.trust-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 13px;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust-item svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  color: var(--color-success);
}

.hero-cross {
  position: absolute;
  z-index: 1;
  color: var(--color-muted);
  opacity: 0.5;
  pointer-events: none;
}

.hero-cross-a {
  top: 30%;
  left: 8%;
}

.hero-cross-b {
  top: 24%;
  right: 7%;
}

.relay-stage {
  position: relative;
  width: 1180px;
  max-width: 100%;
  height: 346px;
  margin-top: 26px;
}

.relay-satellite {
  position: absolute;
  top: 0;
  left: 50%;
  width: 260px;
  transform: translateX(-50%);
}

.sat-body {
  fill: var(--color-panel-strong);
  stroke: var(--color-line);
  stroke-width: 1.4;
}

.sat-wing {
  fill: var(--color-panel);
  stroke: var(--color-line);
  stroke-width: 1.2;
}

.sat-grid {
  fill: none;
  stroke: var(--color-line);
  stroke-opacity: 0.45;
  stroke-width: 1;
}

.sat-arm {
  fill: var(--color-panel-strong);
  stroke: var(--color-line-soft);
}

.sat-eye-white {
  fill: var(--color-text);
}

.sat-eye-dark {
  fill: var(--color-bg);
}

.sat-rivet {
  fill: var(--color-line);
  fill-opacity: 0.55;
}

.sat-antenna {
  fill: none;
  stroke: var(--color-line);
  stroke-linecap: round;
  stroke-width: 1.6;
}

.sat-led {
  fill: var(--color-accent);
  filter: drop-shadow(0 0 5px var(--color-pink-led));
  animation: relay-blink 1.8s ease-in-out infinite;
}

.sat-emitter {
  fill: var(--color-warning);
}

.relay-beam {
  position: absolute;
  top: 98px;
  height: 198px;
  pointer-events: none;
  animation: relay-breathe 5.5s ease-in-out infinite;
}

.relay-beam-left {
  left: 12px;
  width: 560px;
  clip-path: polygon(90% 0, 100% 0, 82% 100%, 0 100%);
  background: linear-gradient(203deg, var(--color-beam) 4%, var(--color-beam-out) 82%);
}

.relay-beam-right {
  right: 12px;
  width: 560px;
  clip-path: polygon(0 0, 10% 0, 100% 100%, 18% 100%);
  background: linear-gradient(157deg, var(--color-beam) 4%, var(--color-beam-out) 82%);
  animation-delay: -2.7s;
}

.relay-note,
.relay-code {
  position: absolute;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.relay-code {
  top: 150px;
  left: 50%;
  transform: translateX(-50%);
}

.relay-note {
  top: 184px;
}

.relay-note-left {
  left: 1.5%;
  transform: rotate(-20deg);
}

.relay-note-right {
  right: 1.5%;
  transform: rotate(20deg);
}

.relay-pod {
  position: absolute;
  bottom: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 18px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel-glass);
  padding: 15px 22px;
  box-shadow: var(--shadow-cyan);
}

.relay-pod-left {
  left: 6px;
}

.relay-pod-right {
  right: 6px;
}

.relay-pod-label {
  position: absolute;
  top: -10px;
  left: 17px;
  border-radius: var(--radius-xs);
  background: var(--color-bg);
  padding: 1px 8px;
  color: var(--color-line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.relay-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text);
  font-size: 12px;
  white-space: nowrap;
}

.relay-item svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  overflow: hidden;
}

.flag-frame {
  rx: 3px;
}

.flag-red {
  fill: var(--color-flag-red);
}

.flag-blue {
  fill: var(--color-flag-blue);
}

.flag-white {
  fill: var(--color-flag-white);
}

.flag-dark {
  fill: var(--color-flag-dark);
}

.flag-hk {
  fill: var(--color-flag-hk);
}

.flag-sg {
  fill: var(--color-flag-sg);
}

.flag-korea-blue {
  fill: var(--color-flag-korea-blue);
}

.preview-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
  overflow-x: clip;
}

.preview-title {
  margin-bottom: 12px;
}

.preview-lead {
  max-width: 700px;
  margin-bottom: 34px;
  color: var(--color-muted);
  font-size: 18px;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.swatch {
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line-soft);
  border-radius: var(--radius-control);
  background: var(--color-panel);
}

.swatch-color {
  height: 82px;
}

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

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

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

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

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

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

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

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

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

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

.swatch-label {
  padding: 12px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.type-samples {
  display: grid;
  gap: 24px;
}

.type-display {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 7vw, 68px);
  font-weight: 900;
  line-height: 1.1;
}

.type-body {
  max-width: 760px;
  color: var(--color-muted);
  font-size: 18px;
}

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

.button-showcase,
.badge-showcase {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.component-stack {
  display: grid;
  gap: 34px;
}

.preview-footer {
  margin-top: var(--section-space);
}

.preview-footer .site-footer {
  min-height: 300px;
}

@keyframes relay-blink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.25;
  }
}

@keyframes relay-breathe {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.78;
  }
}

@media (max-width: 1080px) {
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .relay-pod {
    gap: 10px;
    padding-inline: 14px;
  }
}

@media (max-width: 768px) {
  .pricing-grid,
  .article-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .article-promo {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-preview-inner {
    min-height: auto;
    padding-top: 46px;
    padding-bottom: 46px;
  }

  .hero-preview h1 {
    font-size: clamp(28px, 9.5vw, 40px);
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 340px;
  }

  .hero-cross,
  .relay-beam,
  .relay-note,
  .relay-code {
    display: none;
  }

  .relay-stage {
    display: flex;
    height: auto;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    margin-top: 22px;
  }

  .relay-satellite,
  .relay-pod {
    position: static;
    transform: none;
  }

  .relay-satellite {
    width: 205px;
  }

  .relay-pod {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }

  .relay-pod-label {
    position: static;
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .swatch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .float-cta {
    right: 16px;
    bottom: 16px;
  }

  .relay-note-left,
  .relay-note-right,
  .hero-slant {
    transform: none;
  }
}

@media (max-width: 420px) {
  .platform-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

/* 2026-08-20 小学生走查:悬浮 CTA 压字(压正文段尾/博客卡标题/页脚法律链,JVVPN/HBVPN/VPNFF 最狠)。
   页尾追加与浮标等高的垫块:滚到底时浮标落在空白带上,不再永久遮挡内容 */
body:has(.float-cta)::after {
  content: '';
  display: block;
  height: calc(88px + env(safe-area-inset-bottom, 0px));
}