.home-hero {
  /* 100svh 全高 hero 必须配垂直居中:内容不足一屏时多余高度上下均分(2026-08-19 用户实锤
     1660×975 视口内容顶在上面、底部 300px 白墙;居中后任何视口高度都对称,不封顶防高视口回病) */
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-content: center;
  padding-top: clamp(28px, 5vw, 64px);
  padding-bottom: clamp(46px, 6vw, 84px);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(390px, 0.95fr);
  align-items: center;
  gap: clamp(32px, 6vw, 76px);
}

.home-hero .hero-head {
  align-items: flex-start;
  text-align: left;
}

.home-hero .hero-head h1 {
  max-width: 780px;
  margin-top: 18px;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.hero-actions {
  margin-top: 26px;
}

.home-hero .hero-sub {
  max-width: 650px;
  margin-top: 22px;
  font-size: clamp(16px, 1.5vw, 19px);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.hero-facts span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  color: var(--color-text-muted);
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.home-hero .hero-platforms {
  justify-content: flex-start;
  gap: 12px 18px;
  margin-top: 24px;
}

.home-hero .platform-link {
  color: var(--color-text);
}

.platform-mark {
  display: inline-flex;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-text);
}

.platform-mark svg {
  width: 14px;
  height: 14px;
}

.orbit-stage {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-large);
  background: var(--color-engine);
  color: var(--color-engine-text);
  padding: clamp(20px, 3vw, 34px);
  box-shadow: var(--shadow-soft);
}

.orbit-shell {
  position: relative;
  width: min(100%, 480px);
  aspect-ratio: 1;
  margin-inline: auto;
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-pill);
  transform: translate(-50%, -50%);
}

.orbit-ring::before,
.orbit-ring::after {
  position: absolute;
  border-radius: var(--radius-pill);
  background: var(--color-engine-muted);
  content: "";
}

.orbit-ring::before {
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
}

.orbit-ring::after {
  right: -3px;
  bottom: 30%;
  width: 6px;
  height: 6px;
}

.orbit-ring-outer {
  width: 92%;
  height: 92%;
  animation: orbit-spin 34s linear infinite;
}

.orbit-ring-inner {
  width: 62%;
  height: 62%;
  border-style: dashed;
  animation: orbit-spin-reverse 26s linear infinite;
}

.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  width: 154px;
  height: 154px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-pill);
  background: var(--color-engine-active);
  color: var(--color-engine-text);
  box-shadow: 0 0 44px var(--color-accent-glow);
  transform: translate(-50%, -50%);
}

.orbit-core img {
  width: 64px;
  height: 64px;
}

.orbit-core strong {
  margin-top: 7px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.08em;
}

.orbit-core span {
  color: var(--color-engine-muted);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.orbit-token {
  position: absolute;
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-pill);
  background: var(--color-engine-active);
  color: var(--color-engine-muted);
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.orbit-token-domain {
  top: 8%;
  left: 6%;
}

.orbit-token-tun {
  right: -2%;
  bottom: 21%;
}

.orbit-token-yaml {
  bottom: 2%;
  left: 19%;
}

.orbit-token-direct {
  top: -4%;
  right: 17%;
  color: var(--color-success);
}

.orbit-token-proxy {
  right: -12%;
  bottom: 37%;
  color: var(--color-accent);
}

.orbit-token-reject {
  bottom: -4%;
  left: 10%;
  color: var(--color-error);
}

.orbit-rule-strip {
  display: grid;
  gap: 5px;
  overflow-x: auto;
  border-top: 1px solid var(--color-engine-line);
  padding-top: 16px;
  color: var(--color-engine-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.orbit-rule-strip b {
  font-weight: 800;
}

@keyframes orbit-spin {
  from {
    transform: translate(-50%, -50%) rotate(0);
  }

  to {
    transform: translate(-50%, -50%) rotate(1turn);
  }
}

@keyframes orbit-spin-reverse {
  from {
    transform: translate(-50%, -50%) rotate(1turn);
  }

  to {
    transform: translate(-50%, -50%) rotate(0);
  }
}

.section-heading {
  max-width: 850px;
  margin-bottom: clamp(34px, 5vw, 60px);
}

.section-heading h2 {
  margin-top: 10px;
}

.section-heading .lead {
  margin-top: 18px;
}

.split-heading {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1fr);
  align-items: end;
  gap: 42px;
}

.split-heading .lead {
  margin-top: 0;
}

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

.feature-tab-list {
  border-top: 1px solid var(--color-border);
}

.feature-row {
  display: grid;
  width: 100%;
  grid-template-columns: 76px minmax(150px, 0.42fr) minmax(0, 1fr) 160px;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
  color: var(--color-text);
  padding-top: 30px;
  padding-bottom: 30px;
  text-align: left;
  cursor: pointer;
}

.feature-row:hover,
.feature-row[aria-selected="true"] {
  background: var(--color-surface);
}

.feature-number {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
}

.feature-name {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 900;
  line-height: 1.2;
}

.feature-copy {
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.85;
}

.feature-diagram {
  width: 150px;
}

.feature-diagram svg {
  width: 100%;
}

.mini-line {
  stroke: var(--color-text-muted);
  stroke-width: 1.5;
  stroke-linecap: round;
}

.mini-node {
  fill: var(--color-surface-raised);
  stroke: var(--color-text);
  stroke-width: 1.5;
}

.mini-direct {
  stroke: var(--color-success);
  stroke-width: 2;
  stroke-linecap: round;
}

.mini-proxy {
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linecap: round;
}

.mini-reject {
  stroke: var(--color-error);
  stroke-width: 2;
  stroke-linecap: round;
}

.mini-box {
  stroke: var(--color-border);
}

.mini-direct-fill {
  fill: var(--color-success);
}

.feature-key {
  justify-self: end;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-canvas);
  color: var(--color-text-muted);
  padding: 8px 10px;
  font-size: 10px;
  white-space: nowrap;
}

.feature-focus {
  margin-top: 24px;
  border-radius: var(--radius-large);
  background: var(--color-engine);
  color: var(--color-engine-text);
  padding: clamp(26px, 4vw, 44px);
}

.feature-focus h3 {
  margin-top: 8px;
  color: var(--color-engine-text);
}

.feature-focus p:last-child {
  max-width: 820px;
  margin-top: 12px;
  color: var(--color-engine-muted);
  line-height: 1.8;
}

.feature-focus .eyebrow {
  color: var(--color-accent);
}

.download-entry {
  border-top: 1px solid var(--color-border);
}

.platform-download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.platform-download-item {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 24px 20px;
}

.platform-card-icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-text);
}

.platform-card-icon svg {
  width: 20px;
  height: 20px;
}

.platform-download-item h3 {
  margin-top: 22px;
}

.platform-download-item p {
  margin-top: 12px;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.75;
}

.platform-download-item .btn-secondary {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 10px;
  padding-bottom: 10px;
}

.section-link-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 26px;
}

.text-link {
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--color-accent-strong);
  text-underline-offset: 0.25em;
}

.quickstart-shell {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  overflow: hidden;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-large);
  background: var(--color-engine);
  color: var(--color-engine-text);
}

.quickstart-intro {
  padding: clamp(28px, 5vw, 54px);
}

.quickstart-intro h2 {
  margin-top: 10px;
  color: var(--color-engine-text);
}

.quickstart-intro p:not(.eyebrow) {
  margin-top: 18px;
  color: var(--color-engine-muted);
}

.quickstart-intro .btn-dark {
  margin-top: 28px;
  border-color: var(--color-engine-line);
  background: var(--color-engine-active);
}

.quickstart-steps {
  border-left: 1px solid var(--color-engine-line);
}

.quickstart-steps li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  border-bottom: 1px solid var(--color-engine-line);
  padding: 28px 30px;
}

.quickstart-steps li:last-child {
  border-bottom: 0;
}

.step-number {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
}

.quickstart-steps h3 {
  color: var(--color-engine-text);
  font-size: 20px;
}

.quickstart-steps p {
  margin-top: 9px;
  color: var(--color-engine-muted);
  font-size: 14px;
  line-height: 1.8;
}

.trust-editorial {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.trust-editorial article {
  position: relative;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: clamp(26px, 4vw, 42px);
}

.trust-index {
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.trust-editorial h3 {
  margin-top: 12px;
}

.trust-editorial p {
  margin-top: 14px;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.clone-panel {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  align-items: center;
  gap: 32px;
  margin-top: 32px;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-large);
  background: var(--color-engine);
  color: var(--color-engine-text);
  padding: clamp(26px, 4vw, 42px);
}

.clone-panel h3 {
  margin-top: 8px;
  color: var(--color-engine-text);
}

.clone-panel p:not(.eyebrow) {
  margin-top: 10px;
  color: var(--color-engine-muted);
}

.clone-command {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-medium);
  background: var(--color-engine-active);
  padding: 12px;
}

.clone-command code {
  min-width: 0;
  flex: 1;
  overflow-x: auto;
  border: 0;
  background: transparent;
  color: var(--color-engine-text);
  padding: 0;
  font-size: 12px;
  white-space: nowrap;
}

.copy-button {
  min-height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-text);
  padding: 8px 15px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

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

.trust-section .callout {
  margin-top: 22px;
}

.question-lines {
  border-top: 1px solid var(--color-border);
}

.question-lines article {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr) auto;
  align-items: start;
  gap: 32px;
  border-bottom: 1px solid var(--color-border);
  padding-top: 28px;
  padding-bottom: 28px;
}

.question-lines h3 {
  font-size: 19px;
}

.question-lines p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.question-lines a {
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.home-post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.home-post-grid .post-card h3 {
  font-size: 21px;
}

@media (max-width: 1060px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.8fr);
  }

  .home-hero .hero-head h1 {
    font-size: clamp(34px, 4vw, 48px);
  }

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

  .feature-row {
    grid-template-columns: 58px minmax(130px, 0.35fr) minmax(0, 1fr);
  }

  .feature-diagram,
  .feature-key {
    display: none;
  }
}

@media (max-width: 860px) {
  .home-hero {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .orbit-stage {
    width: 100%;
  }

  .orbit-shell {
    max-width: 430px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 18px;
  }

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

  .quickstart-steps {
    border-top: 1px solid var(--color-engine-line);
    border-left: 0;
  }

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

  .question-lines article {
    grid-template-columns: minmax(200px, 0.4fr) minmax(0, 1fr);
  }

  .question-lines a {
    grid-column: 2;
  }

  .home-post-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .home-hero .hero-head h1 {
    font-size: clamp(24px, 7vw, 30px);
    line-height: 1.08;
  }

  .home-hero .hero-platforms {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-hero .platform-link {
    width: 100%;
  }

  .orbit-stage {
    padding: 16px;
  }

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

  .orbit-core {
    width: 120px;
    height: 120px;
  }

  .orbit-core img {
    width: 48px;
    height: 48px;
  }

  .feature-row {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 8px 14px;
    padding-top: 24px;
    padding-bottom: 24px;
  }

  .feature-number {
    grid-row: 1 / span 2;
    font-size: 20px;
  }

  .feature-name {
    font-size: 21px;
  }

  .feature-copy {
    grid-column: 2;
  }

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

  .platform-download-item {
    min-height: 300px;
  }

  .trust-editorial {
    grid-template-columns: 1fr;
  }

  .clone-command {
    align-items: stretch;
    flex-direction: column;
  }

  .clone-command code {
    width: 100%;
    padding-bottom: 4px;
  }

  .question-lines article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .question-lines a {
    grid-column: 1;
  }
}

@media (max-width: 420px) {
  .orbit-token {
    font-size: 8px;
  }

  .orbit-token-proxy {
    right: -5%;
  }

  .quickstart-steps li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
    padding: 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .orbit-ring-outer,
  .orbit-ring-inner {
    animation: none;
  }
}