.platform-symbols {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.hero-poster h1 {
  max-width: 900px;
  font-size: clamp(34px, 4.8vw, 48px);
  letter-spacing: -0.035em;
}

.hero-subtitle strong {
  color: var(--color-ink);
}

.hero-chip-row {
  display: flex;
  max-width: 100%;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
}

.hero-chip-row span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 5px 11px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-white-alpha);
  color: var(--color-muted);
  font: 12px/1.4 var(--font-mono);
  white-space: nowrap;
}

.hero-platforms {
  margin-top: 22px;
}

.hero-platforms .platform-link {
  border: 1px solid transparent;
}

.hero-platforms .platform-link:hover {
  border-color: var(--color-line);
  box-shadow: var(--shadow-card);
}

.home-status {
  overflow: hidden;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
  color: var(--color-muted);
}

.home-status-inner {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  overflow-x: auto;
  font: 12px/1.4 var(--font-mono);
  letter-spacing: 0.05em;
  scrollbar-width: none;
}

.home-status-inner::-webkit-scrollbar {
  display: none;
}

.home-status-inner span {
  flex: 0 0 auto;
}

.home-status-inner span::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 9px;
  transform: rotate(45deg);
  border-radius: 2px;
  background: var(--color-accent);
  content: "";
}

.feature-tabs {
  display: grid;
  grid-template-columns: minmax(190px, 0.26fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(28px, 5vw, 64px);
}

.feature-tab-list {
  position: sticky;
  top: 102px;
  display: grid;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-menu);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.feature-tab-list button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  min-height: 58px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-weight: 700;
  text-align: left;
}

.feature-tab-list button:hover {
  background: var(--color-panel-soft);
  color: var(--color-ink);
}

.feature-tab-list button[aria-selected="true"] {
  border-color: var(--color-line);
  background: var(--color-panel);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.feature-tab-list button span {
  color: var(--color-accent-deep);
  font: 12px/1 var(--font-mono);
}

.feature-panels,
.feature-panel {
  min-width: 0;
}

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

.feature-copy p {
  color: var(--color-muted);
}

.feature-copy p:last-child {
  margin-bottom: 0;
}

.line-device {
  color: var(--color-accent-deep);
}

.device-label {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--color-muted);
  font: 12px/1.4 var(--font-mono);
  letter-spacing: 0.06em;
}

.device-label::before {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-ring);
  content: "";
}

.rule-flow,
.dns-route {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  margin-top: 28px;
  color: var(--color-muted);
  font: 11px/1.4 var(--font-mono);
}

.rule-flow span,
.dns-route span {
  padding: 6px 9px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: var(--color-canvas);
}

.rule-flow i {
  width: 28px;
  border-top: 1px dashed var(--color-accent);
}

.dns-route span + span::before {
  margin-right: 11px;
  color: var(--color-accent);
  content: "→";
}

.topology-map {
  width: 100%;
  margin-top: 24px;
  color: var(--color-accent-deep);
}

.topology-map rect {
  fill: var(--color-canvas);
  stroke: var(--color-line);
  stroke-width: 2;
}

.topology-map text {
  fill: var(--color-ink);
  font: 12px var(--font-mono);
}

.platform-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
}

.platform-matrix a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 2px 11px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  color: var(--color-ink);
  text-decoration: none;
}

.platform-matrix a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}

.platform-matrix svg {
  grid-row: 1 / 3;
  width: 24px;
  height: 24px;
  color: var(--color-accent-deep);
}

.platform-matrix span {
  font-weight: 700;
}

.platform-matrix small {
  color: var(--color-muted);
  font: 11px/1.4 var(--font-mono);
}

.platform-download-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.platform-download-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  grid-column: span 2;
  padding: 25px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.platform-download-card:nth-child(4) {
  grid-column: 2 / span 2;
}

.platform-download-card:nth-child(5) {
  grid-column: 4 / span 2;
}

.platform-card-icon {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  margin-bottom: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-accent-deep);
}

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

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

.platform-download-card .button-secondary {
  width: 100%;
  margin-top: auto;
}

.section-link-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 30px;
}

.quick-layout {
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
}

.quick-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.quick-steps li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.quick-steps li > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-accent-deep);
  font: 700 12px/1 var(--font-mono);
}

.quick-steps h3 {
  margin-bottom: 7px;
  font-size: 20px;
}

.quick-steps p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.trust-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  align-items: start;
  gap: clamp(32px, 6vw, 76px);
}

.trust-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.trust-copy article {
  padding-top: 18px;
  border-top: 2px solid var(--color-accent);
}

.trust-copy h3 {
  font-size: 21px;
}

.trust-copy p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.repo-panel {
  position: sticky;
  top: 102px;
  padding: 28px;
}

.repo-panel > p {
  color: var(--color-muted);
}

.clone-box {
  display: grid;
  gap: 10px;
  margin: 24px 0 16px;
}

.clone-box code {
  display: block;
  max-width: 100%;
  padding: 15px;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel-soft);
  color: var(--color-ink);
  font: 12px/1.65 var(--font-mono);
  white-space: nowrap;
}

.copy-button {
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  color: var(--color-accent-deep);
  cursor: pointer;
  font-weight: 700;
}

.copy-button:hover {
  border-color: var(--color-accent);
  background: var(--color-panel);
}

.repo-note {
  font-size: 13px;
}

.home-faq {
  margin-top: clamp(72px, 9vw, 112px);
  padding-top: clamp(54px, 7vw, 82px);
  border-top: 1px solid var(--color-line);
}

.home-faq .card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.home-faq h4 {
  font-size: 18px;
}

@media (max-width: 1040px) {
  .platform-download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .platform-download-card,
  .platform-download-card:nth-child(4),
  .platform-download-card:nth-child(5) {
    grid-column: auto;
  }

  .platform-download-card:last-child {
    grid-column: 1 / -1;
  }

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

  .repo-panel {
    position: static;
  }
}

@media (max-width: 960px) {
  .feature-tabs {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-tab-list {
    position: static;
    grid-template-columns: repeat(4, minmax(150px, 1fr));
    overflow-x: auto;
  }

  .feature-tab-list button {
    min-width: 150px;
  }

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

@media (max-width: 768px) {
  .hero-poster h1 {
    font-size: clamp(24px, 7.4vw, 30px);
    letter-spacing: -0.02em;
  }

  .home-status-inner {
    justify-content: flex-start;
  }

  .feature-panel .split-layout,
  .feature-panel .split-layout.reverse {
    gap: 30px;
  }

  .feature-panel .split-layout.reverse > :first-child {
    order: initial;
  }

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

@media (max-width: 640px) {
  .hero-badge {
    margin-bottom: 22px;
    font-size: 12px;
  }

  .hero-chip-row {
    margin-top: 18px;
  }

  .hero-platforms {
    margin-top: 18px;
  }

  .hero-platforms .platform-link {
    padding: 7px 8px;
  }

  .fact-item {
    flex: 1 1 auto;
    justify-content: center;
  }

  .feature-tab-list {
    margin-right: calc(var(--gutter) * -1);
    padding-right: var(--gutter);
    border-right: 0;
    border-radius: var(--radius-menu) 0 0 var(--radius-menu);
  }

  .line-device {
    min-height: 260px;
  }

  .rule-flow,
  .dns-route {
    flex-wrap: wrap;
  }

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

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

  .platform-download-card:last-child {
    grid-column: auto;
  }

  .quick-steps li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 13px;
    padding: 18px;
  }

  .quick-steps li > span {
    width: 38px;
    height: 38px;
  }

  .repo-panel {
    padding: 22px;
  }

  .repo-panel .button-row a {
    width: 100%;
  }

  .section-link-row {
    justify-content: flex-start;
  }
}