.download-hero {
  border-bottom: var(--border-heavy) solid var(--color-border);
  background-image:
    linear-gradient(var(--color-grid) var(--border-medium), var(--color-transparent) var(--border-medium)),
    linear-gradient(90deg, var(--color-grid) var(--border-medium), var(--color-transparent) var(--border-medium));
  background-size: 36px 36px;
}

.download-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: 28px;
  align-items: stretch;
}

.download-hero-copy {
  padding: clamp(28px, 5vw, 58px);
  border: var(--border-heavy) solid var(--color-border);
  background: var(--color-panel);
}

.download-hero-copy h1 {
  max-width: 850px;
  margin-top: 22px;
  margin-bottom: 24px;
}

.download-hero-copy > p {
  max-width: 780px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.download-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.download-route-board {
  position: relative;
  padding: clamp(26px, 4vw, 44px);
  border: var(--border-heavy) solid var(--color-border);
  color: var(--color-light-ink);
  background: var(--color-success);
}

.download-route-board::after {
  content: "";
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 46%;
  height: 46%;
  border-right: var(--border-heavy) solid var(--color-border);
  border-bottom: var(--border-heavy) solid var(--color-border);
  background: var(--color-warn);
  z-index: -1;
}

.download-route-board .mono-label {
  color: var(--color-light-ink);
}

.route-steps {
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  list-style: none;
  counter-reset: route-step;
}

.route-steps li {
  position: relative;
  min-height: 92px;
  padding: 16px 16px 16px 62px;
  border: var(--border-medium) solid var(--color-border);
  color: var(--color-text);
  background: var(--color-panel);
  counter-increment: route-step;
}

.route-steps li::before {
  content: counter(route-step, decimal-leading-zero);
  position: absolute;
  top: 16px;
  left: 14px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 900;
}

.route-steps strong,
.route-steps span {
  display: block;
}

.route-steps strong {
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.route-steps span {
  color: var(--color-muted);
  font-size: 0.88rem;
}

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

.download-tabs .tab-panel {
  padding: clamp(20px, 4vw, 42px);
}

.platform-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 34px;
  padding-bottom: 30px;
  border-bottom: var(--border-heavy) solid var(--color-border);
}

.platform-intro h3 {
  margin-top: 8px;
}

.platform-intro p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.requirement-table {
  border-width: var(--border-medium);
}

.requirement-table .data-table {
  min-width: 520px;
  font-size: 0.88rem;
}

.download-grid {
  align-items: stretch;
}

.download-grid-single {
  grid-template-columns: minmax(0, 760px);
}

.client-card {
  display: flex;
  flex-direction: column;
}

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

.client-card .client-meta {
  margin-top: auto;
  padding-top: 8px;
}

.download-client-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
}

.client-card-head > div {
  min-width: 0;
}

.client-card-head h3 {
  margin-top: 5px;
}

.client-version:not([hidden]) {
  display: inline-block;
  margin-top: 2px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 800;
}

.mihomo-section {
  border-top: var(--border-heavy) solid var(--color-border);
  border-bottom: var(--border-heavy) solid var(--color-border);
  background: var(--color-panel-alt);
}

.core-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.core-platform {
  display: flex;
  flex-direction: column;
}

.core-platform > p {
  color: var(--color-muted);
}

.core-platform-wide {
  grid-column: 1 / -1;
}

.core-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.core-download-table {
  margin-top: 20px;
}

.core-download-table a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.selection-guide {
  background-image:
    repeating-linear-gradient(
      0deg,
      var(--color-transparent),
      var(--color-transparent) 31px,
      var(--color-grid) 31px,
      var(--color-grid) 33px
    );
}

.selection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.selection-grid .card {
  min-height: 270px;
}

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

.selection-links {
  margin-top: 40px;
  padding: 24px;
  border: var(--border-heavy) solid var(--color-border);
  background: var(--color-warn);
}

.selection-links p {
  margin-bottom: 0;
}

.download-faq {
  border-top: var(--border-heavy) solid var(--color-border);
  background: var(--color-panel);
}

.faq-more-link {
  margin-top: 28px;
}

@media (max-width: 960px) {
  .download-hero-grid,
  .platform-intro {
    grid-template-columns: 1fr;
  }

  .download-route-board {
    margin-right: 10px;
    margin-bottom: 10px;
  }

  .requirement-table {
    max-width: 100%;
  }
}

@media (max-width: 760px) {
  .core-layout,
  .selection-grid {
    grid-template-columns: 1fr;
  }

  .core-platform-wide {
    grid-column: auto;
  }

  .selection-grid .card {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .download-hero-copy {
    padding: 24px 20px;
  }

  .download-hero-copy h1 {
    margin-top: 18px;
  }

  .download-route-board {
    padding: 22px 18px;
  }

  .route-steps li {
    padding-right: 12px;
    padding-left: 54px;
  }

  .download-tabs .tab-panel {
    padding: 20px 14px;
  }

  .platform-intro {
    gap: 20px;
  }

  .client-card {
    padding: 21px 17px;
  }

  .client-card-head {
    gap: 12px;
  }

  .download-client-icon {
    width: 48px;
    height: 48px;
  }

  .core-actions,
  .core-actions .button {
    width: 100%;
  }

  .selection-links {
    padding: 20px 17px;
  }
}