.page-home {
  --home-gap: clamp(18px, 2.6vw, 36px);
  --home-line: rgba(169, 180, 204, 0.16);
  --home-space: clamp(54px, 7vw, 104px);
  padding-bottom: clamp(60px, 8vw, 120px);
}

/* ---------- 封面 ---------- */
.page-home .home-cover {
  padding-top: clamp(18px, 2.4vw, 30px);
}

.page-home .home-cover__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 48px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-home .cover-index {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-left: 1px solid var(--rail-line);
}

.page-home .cover-index a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-left: -1px;
  padding: 10px 0 10px 16px;
  border-left: 2px solid transparent;
  color: var(--text-2);
  font-size: var(--fs-small);
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-home .cover-index a:hover,
.page-home .cover-index a:focus-visible {
  color: var(--warm-white);
  border-left-color: var(--cyan);
  background-color: rgba(57, 230, 208, 0.07);
}

.page-home .cover-index__num {
  color: var(--gold);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
}

.page-home .cover-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--cyan);
  font-size: var(--fs-mono);
}

.page-home .home-cover__lead h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--warm-white);
  max-width: 22ch;
}

.page-home .home-cover__intro {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--text-1);
}

.page-home .home-cover__intro--muted {
  margin-top: 14px;
  color: var(--text-2);
}

.page-home .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .home-cover__media {
  margin: clamp(30px, 4vw, 52px) 0 0;
  border: 1px solid var(--home-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(20, 32, 74, 0.9), rgba(11, 21, 51, 0.95));
}

.page-home .media-frame img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 章节基础 ---------- */
.page-home .home-section {
  padding-top: var(--home-space);
}

.page-home .panel-head {
  max-width: 68ch;
}

.page-home .home-section__lede {
  margin: 14px 0 0;
  color: var(--text-2);
  font-size: var(--fs-body);
  line-height: 1.8;
}

/* ---------- 固定访问路径 ---------- */
.page-home .route-list {
  margin-top: clamp(26px, 3vw, 40px);
  border-top: 1px solid var(--home-line);
}

.page-home .route-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 0 14px;
  padding: clamp(20px, 2.4vw, 30px) 0;
  border-bottom: 1px solid var(--home-line);
  transition: background-color 0.2s ease;
}

.page-home .route-item:hover {
  background-color: rgba(20, 32, 74, 0.42);
}

.page-home .route-item__num {
  padding-top: 4px;
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-home .route-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-home .route-item__head .timeline-title {
  margin: 0;
  font-size: var(--fs-h3);
  color: var(--warm-white);
}

.page-home .route-item__path {
  margin: 8px 0 0;
  color: var(--cyan);
  font-size: var(--fs-mono);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-home .route-item__desc {
  margin: 10px 0 0;
  max-width: 68ch;
  color: var(--text-2);
  line-height: 1.78;
}

/* ---------- 版本对照 ---------- */
.page-home .version-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  margin-top: clamp(26px, 3vw, 40px);
}

.page-home .version-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .version-points li {
  position: relative;
  padding-left: 22px;
  color: var(--text-2);
  line-height: 1.78;
}

.page-home .version-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(57, 230, 208, 0.55);
}

.page-home .version-points .mono {
  display: inline-block;
  margin-right: 8px;
  color: var(--gold);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
}

.page-home .version-note {
  margin: 22px 0 0;
  color: var(--text-1);
  line-height: 1.8;
}

.page-home .version-note strong {
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 1.3em;
  letter-spacing: -0.01em;
}

.page-home .version-copy .btn {
  margin-top: 24px;
}

.page-home .home-timeline {
  margin-top: clamp(32px, 4vw, 54px);
}

.page-home .home-timeline .timeline-title {
  margin: 0;
  font-size: var(--fs-h3);
  color: var(--warm-white);
}

.page-home .home-timeline .timeline-meta {
  margin: 6px 0 0;
  color: var(--cyan);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
}

.page-home .home-timeline p:not(.timeline-meta) {
  margin: 10px 0 0;
  color: var(--text-2);
  line-height: 1.78;
}

/* ---------- 状态标签 ---------- */
.page-home .status-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  margin-top: clamp(26px, 3vw, 40px);
}

.page-home .status-legend {
  display: grid;
  gap: 14px;
}

.page-home .status-legend .status-row {
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--home-line);
  border-radius: var(--radius-md);
  background: rgba(20, 32, 74, 0.36);
  transition: border-color 0.2s ease;
}

.page-home .status-legend .status-row:hover {
  border-color: var(--line-strong);
}

.page-home .status-legend .status-row p {
  margin: 0;
  color: var(--text-2);
  line-height: 1.72;
}

.page-home .status-tag {
  transition: border-color 0.2s ease, color 0.2s ease;
  cursor: default;
}

.page-home .status-tag:hover {
  border-color: currentColor;
}

.page-home .check-steps {
  margin-top: clamp(32px, 4vw, 52px);
  padding: clamp(22px, 3vw, 34px);
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(232, 180, 74, 0.09), rgba(232, 180, 74, 0) 62%);
}

.page-home .check-steps .serif-title {
  margin: 0;
  font-size: var(--fs-h3);
  color: var(--warm-white);
}

.page-home .step-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-home .step-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 0 14px;
}

.page-home .step-list__num {
  font-size: 20px;
  line-height: 1.3;
  color: var(--gold);
}

.page-home .step-list h4 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--warm-white);
}

.page-home .step-list p {
  margin: 8px 0 0;
  color: var(--text-2);
  line-height: 1.72;
}

.page-home .check-note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--home-line);
  color: var(--text-2);
  line-height: 1.75;
}

.page-home .check-note a {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 帮助文档 ---------- */
.page-home .doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  margin-top: clamp(26px, 3vw, 40px);
}

.page-home .doc-parts {
  display: grid;
  gap: 14px;
}

.page-home .doc-part {
  padding: 18px 20px;
  border: 1px solid var(--home-line);
  border-radius: var(--radius-md);
  background: rgba(20, 32, 74, 0.34);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-home .doc-part:hover {
  border-color: var(--line-strong);
  background: rgba(20, 32, 74, 0.56);
}

.page-home .doc-part__num {
  display: inline-block;
  color: var(--cyan);
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
}

.page-home .doc-part .timeline-title {
  margin: 8px 0 0;
  font-size: 19px;
  color: var(--warm-white);
}

.page-home .doc-part p {
  margin: 8px 0 0;
  color: var(--text-2);
  line-height: 1.72;
}

.page-home .doc-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 16px;
  margin-top: clamp(28px, 3.4vw, 44px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--home-line);
}

.page-home .doc-stats__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.01em;
}

.page-home .doc-stats__label {
  display: block;
  margin-top: 8px;
  color: var(--text-2);
  font-size: var(--fs-small);
  line-height: 1.66;
}

/* ---------- 场景索引 ---------- */
.page-home .scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 16px;
  margin-top: clamp(26px, 3vw, 40px);
}

.page-home .scene-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 26px);
  border: 1px solid var(--home-line);
  border-radius: var(--radius-md);
  background: rgba(20, 32, 74, 0.32);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.page-home .scene-card:hover,
.page-home .scene-card:focus-visible {
  border-color: var(--cyan);
  background: rgba(57, 230, 208, 0.08);
  transform: translateY(-2px);
}

.page-home .scene-card__num {
  color: var(--gold);
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
}

.page-home .scene-card h3 {
  margin: 0;
  font-size: 19px;
  color: var(--warm-white);
}

.page-home .scene-card p {
  flex: 1;
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.72;
}

.page-home .scene-card__go {
  margin-top: 6px;
  color: var(--cyan);
  font-size: var(--fs-small);
}

.page-home .scene-card__go::after {
  content: " →";
}

/* ---------- 收束 ---------- */
.page-home .home-close {
  padding-top: var(--home-space);
}

.page-home .home-close__panel {
  display: grid;
  gap: 16px;
  padding: clamp(26px, 3.4vw, 46px);
  border-radius: var(--radius-lg);
}

.page-home .home-close__panel .serif-title {
  margin: 0;
  font-size: var(--fs-h2);
  color: var(--warm-white);
}

.page-home .home-close__panel p {
  margin: 0;
  max-width: 62ch;
  color: var(--text-2);
  line-height: 1.8;
}

.page-home .home-close__panel .cover-actions {
  margin-top: 8px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-home .home-cover__grid {
    grid-template-columns: minmax(210px, 248px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
  }

  .page-home .version-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-home .status-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-home .doc-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 760px) {
  .page-home .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 32px;
  }
}

@media (max-width: 480px) {
  .page-home .route-item {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 0 10px;
  }

  .page-home .route-item__num {
    font-size: 20px;
  }

  .page-home .step-list li {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 0 10px;
  }
}