:root {
  --home-hero-gap: clamp(34px, 6vw, 82px);
  --home-orbit-size: min(42vw, 490px);
  --home-orbit-size-tablet: min(82vw, 490px);
  --home-orbit-size-mobile: min(88vw, 390px);
  --home-panel-gap: clamp(20px, 3vw, 32px);
  --home-icon-size: 62px;
  --home-step-size: 48px;
  --home-orbit-duration-outer: 42s;
  --home-orbit-duration-inner: 31s;
  --home-pulse-duration: 3.8s;
}

.home-hero {
  position: relative;
  padding-top: clamp(52px, 7vw, 92px);
  padding-bottom: clamp(76px, 9vw, 126px);
  overflow: clip;
}

.home-hero::before {
  position: absolute;
  top: 8%;
  right: -10%;
  width: 48vw;
  height: 48vw;
  border-radius: var(--radius-pill);
  background: var(--color-surface-muted);
  content: "";
  filter: blur(70px);
  opacity: 0.68;
  pointer-events: none;
}

.home-hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, 0.86fr);
  align-items: center;
  gap: var(--home-hero-gap);
}

.home-hero-copy {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  max-width: 100%;
  min-height: 36px;
  margin-bottom: 20px;
  padding: 7px 14px;
  align-items: center;
  gap: 9px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-muted);
  box-shadow: var(--shadow-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.hero-badge .icon-dot {
  animation: home-pulse var(--home-pulse-duration) ease-in-out infinite;
}

.home-hero h1 {
  max-width: 700px;
  margin-bottom: 22px;
  font-size: clamp(34px, 4vw, 48px);
}

.hero-primary-actions {
  margin-bottom: 24px;
}

.hero-lead {
  margin-bottom: 22px;
}

.hero-facts {
  margin-bottom: 28px;
}

.hero-facts .chip {
  background: var(--color-surface);
}

.hero-platforms {
  display: grid;
  gap: 10px;
}

.hero-platforms .platform-row {
  gap: 17px;
}

.hero-platforms .platform-bare {
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.hero-platforms .platform-bare:hover {
  color: var(--color-accent);
  transform: translateY(-1px);
}

.orbit-visual {
  position: relative;
  width: var(--home-orbit-size);
  height: var(--home-orbit-size);
  max-width: 100%;
  margin-inline: auto;
  border-radius: var(--radius-pill);
  background: var(--color-device);
  color: var(--color-device-text);
  box-shadow: var(--shadow-panel);
  isolation: isolate;
}

.orbit-visual::before {
  position: absolute;
  inset: 7%;
  border-radius: var(--radius-pill);
  box-shadow: inset 0 1px 0 var(--color-device-glow);
  content: "";
  pointer-events: none;
}

.orbit-glow {
  position: absolute;
  inset: 26%;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  filter: blur(58px);
  opacity: 0.42;
}

.orbit-ring {
  position: absolute;
  border: 1px solid var(--color-device-line);
  border-radius: var(--radius-pill);
}

.orbit-ring::before,
.orbit-ring::after {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  content: "";
}

.orbit-ring::before {
  top: -4px;
  left: 50%;
}

.orbit-ring::after {
  right: -4px;
  bottom: 33%;
}

.orbit-ring-outer {
  inset: 10%;
  animation: home-orbit var(--home-orbit-duration-outer) linear infinite;
}

.orbit-ring-inner {
  inset: 25%;
  animation: home-orbit-reverse var(--home-orbit-duration-inner) linear infinite;
}

.orbit-token {
  position: absolute;
  display: inline-flex;
  min-height: 30px;
  padding: 5px 11px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.token-vmess {
  top: 4%;
  left: 16%;
}

.token-vless {
  top: 38%;
  right: -8%;
}

.token-trojan {
  right: 14%;
  bottom: 2%;
}

.token-reality {
  bottom: 19%;
  left: -7%;
}

.token-xray {
  top: 8%;
  right: 0;
}

.token-v2fly {
  bottom: 5%;
  left: 2%;
}

.orbit-core {
  position: absolute;
  z-index: 2;
  inset: 33%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-panel);
}

.orbit-core-mark {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 600;
  line-height: 0.9;
}

.orbit-core-name {
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
}

.orbit-core-note {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.home-feature-section {
  background: var(--color-surface-muted);
}

.home-tab-list {
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
  margin-bottom: 34px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

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

.feature-stage > .feature-panel {
  grid-column: 1;
  grid-row: 1;
  width: 100%;
}

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

.feature-stage .feature-panel {
  min-height: 570px;
}

.setting-sheet {
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--radius-panel);
  background: var(--color-device);
  color: var(--color-device-text);
  box-shadow: var(--shadow-panel);
}

.setting-sheet-head,
.setting-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.setting-sheet-head {
  margin-bottom: 18px;
}

.setting-sheet-head strong {
  font-size: 20px;
}

.setting-line {
  min-height: 68px;
  border-top: 1px solid var(--color-device-faint);
  color: var(--color-device-muted);
}

.setting-state {
  max-width: 100%;
  padding: 7px 13px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-device-faint);
  color: var(--color-device-text);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.setting-state.is-active {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.setting-state.is-active::before {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  content: "";
  flex-shrink: 0;
}

.setting-switch {
  position: relative;
  width: 48px;
  height: 27px;
  border-radius: var(--radius-pill);
  background: var(--color-device-faint);
  flex: 0 0 auto;
}

.setting-switch::after {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 19px;
  height: 19px;
  border-radius: var(--radius-pill);
  background: var(--color-device-text);
  content: "";
}

.setting-switch.is-on::after {
  right: 4px;
  left: auto;
}

.setting-switch.is-on::before {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: 10px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  content: "";
  transform: translate(50%, -50%);
}

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

.check-sequence li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  padding: 20px;
  column-gap: 15px;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.check-sequence li + li {
  margin-top: 0;
}

.check-sequence span {
  grid-row: 1 / span 2;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
}

.check-sequence strong {
  color: var(--color-ink);
}

.check-sequence small {
  color: var(--color-muted);
}

.home-platform-section {
  background: var(--color-page);
}

.platform-download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--home-panel-gap);
}

.platform-download-item {
  display: flex;
  min-height: 430px;
  padding: clamp(28px, 5vw, 54px);
  flex-direction: column;
  align-items: flex-start;
  border-radius: var(--radius-panel-large);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.platform-download-item:nth-child(2),
.platform-download-item:nth-child(3) {
  background: var(--color-surface-muted);
}

.platform-download-item p:not(.section-marker) {
  color: var(--color-muted);
}

.platform-download-item .button-secondary {
  margin-top: auto;
}

.platform-icon-shell {
  display: flex;
  width: var(--home-icon-size);
  height: var(--home-icon-size);
  margin-bottom: 27px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-surface);
  box-shadow: var(--shadow-button);
}

.platform-icon-shell svg {
  width: 27px;
  height: 27px;
}

.platform-icon-shell svg[viewBox="0 0 448 512"] {
  width: 25px;
  height: 30px;
}

.platform-all-link,
.blog-all-link {
  margin-top: 32px;
  text-align: right;
}

.home-start-section {
  background: var(--color-surface-muted);
}

.quickstart-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(42px, 7vw, 100px);
  padding: clamp(34px, 7vw, 86px);
  border-radius: var(--radius-panel-large);
  background: var(--color-device);
  color: var(--color-device-text);
  box-shadow: var(--shadow-panel);
}

.quickstart-intro h2,
.quickstart-steps h3 {
  color: var(--color-device-text);
}

.quickstart-intro > p:not(.section-marker),
.quickstart-steps p {
  color: var(--color-device-muted);
}

.quickstart-intro .section-marker {
  color: var(--color-device-muted);
}

.quickstart-steps {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 26px;
  list-style: none;
}

.quickstart-steps li {
  display: grid;
  grid-template-columns: var(--home-step-size) minmax(0, 1fr);
  gap: 20px;
}

.quickstart-steps li + li {
  margin-top: 0;
  padding-top: 26px;
  border-top: 1px solid var(--color-device-faint);
}

.quickstart-number {
  display: flex;
  width: var(--home-step-size);
  height: var(--home-step-size);
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-device-fill);
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: 12px;
}

.quickstart-steps h3 {
  margin-bottom: 8px;
  font-size: 24px;
}

.quickstart-steps p {
  margin-bottom: 0;
}

.home-ecosystem-section {
  background: var(--color-page);
}

.ecosystem-panel {
  padding: clamp(34px, 7vw, 84px);
  border-radius: var(--radius-panel-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.ecosystem-heading {
  max-width: 800px;
  margin-bottom: clamp(38px, 6vw, 72px);
}

.ecosystem-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 5vw, 58px);
}

.ecosystem-copy article {
  padding-top: 22px;
  border-top: 1px solid var(--color-line);
}

.ecosystem-copy h3 {
  font-size: 25px;
}

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

.home-faq-section {
  background: var(--color-surface-muted);
}

.home-blog-section {
  background: var(--color-page);
}

@keyframes home-orbit {
  to {
    transform: rotate(360deg);
  }
}

@keyframes home-orbit-reverse {
  to {
    transform: rotate(-360deg);
  }
}

@keyframes home-pulse {
  0%,
  100% {
    opacity: 0.56;
    transform: scale(0.88);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 1100px) {
  .home-hero-layout {
    grid-template-columns: 1fr;
  }

  .orbit-visual {
    width: var(--home-orbit-size-tablet);
    height: var(--home-orbit-size-tablet);
  }

  .quickstart-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .home-hero {
    padding-top: 38px;
  }

  .home-hero h1 {
    font-size: clamp(24px, 7.4vw, 30px);
  }

  .home-hero-layout {
    gap: 48px;
  }

  .hero-primary-actions {
    margin-bottom: 20px;
  }

  .hero-platforms .platform-row {
    gap: 8px;
  }

  .orbit-visual {
    width: var(--home-orbit-size-mobile);
    height: var(--home-orbit-size-mobile);
  }

  .platform-download-grid,
  .ecosystem-copy {
    grid-template-columns: 1fr;
  }

  .platform-download-item:nth-child(3) {
    background: var(--color-surface);
  }

  .platform-download-item:nth-child(4) {
    background: var(--color-surface-muted);
  }

  .feature-stage .feature-panel {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .home-hero::before {
    width: 90vw;
    height: 90vw;
  }

  .hero-primary-actions .button,
  .hero-primary-actions .button-secondary {
    width: 100%;
  }

  .orbit-token {
    padding: 4px 8px;
    font-size: 0.58rem;
  }

  .orbit-core-mark {
    font-size: 40px;
  }

  .orbit-core-name {
    font-size: 12px;
  }

  .orbit-core-note {
    display: none;
  }

  .home-tab-list {
    width: 100%;
    margin-inline: 0;
  }

  .setting-sheet {
    padding: 22px 18px;
    border-radius: var(--radius-card);
  }

  .setting-sheet-head,
  .setting-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .setting-line {
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .platform-download-item {
    min-height: 0;
    padding: 28px 22px;
    border-radius: var(--radius-card);
  }

  .platform-download-item .button-secondary {
    margin-top: 14px;
  }

  .quickstart-panel,
  .ecosystem-panel {
    padding: 30px 20px;
    border-radius: var(--radius-card);
  }

  .quickstart-steps li {
    grid-template-columns: 1fr;
  }

  .quickstart-steps li + li {
    padding-top: 24px;
  }

  .ecosystem-copy {
    gap: 24px;
  }

  .platform-all-link,
  .blog-all-link {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .orbit-ring,
  .hero-badge .icon-dot {
    animation: none;
  }
}