.page-home {
  --home-border-w: 5px;
  --home-shadow: 6px 6px 0 rgba(27, 28, 27, 0.22);
  --home-shadow-sm: 3px 3px 8px rgba(27, 28, 27, 0.16);
  --home-cover-font-size: clamp(2.2rem, 5vw, 3.9rem);
  background-color: var(--color-cream);
  color: var(--color-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.75;
}

.page-home .container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* 封面首屏 */
.page-home .home-cover {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-teal);
  border-bottom: var(--home-border-w) solid var(--color-ink);
  overflow: hidden;
}

.page-home .home-cover-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.page-home .home-cover-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(120deg, rgba(26, 58, 47, 0.93) 0%, rgba(26, 58, 47, 0.78) 55%, rgba(26, 58, 47, 0.3) 100%);
}

.page-home .home-cover-inner {
  position: relative;
  z-index: 2;
  padding: 6rem 1.25rem 7rem;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  color: var(--color-cream);
}

.page-home .home-cover-tags {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.page-home .home-cover-kicker {
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  margin-bottom: 0.8rem;
  font-family: var(--font-accent);
  text-transform: uppercase;
}

.page-home .home-cover-title {
  font-family: var(--font-heading);
  font-size: var(--home-cover-font-size);
  font-weight: 900;
  line-height: 1.18;
  margin: 0 0 1.4rem;
  max-width: 14em;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 12px rgba(27, 28, 27, 0.35);
}

.page-home .home-cover-lead {
  font-size: 1rem;
  line-height: 1.9;
  max-width: 38em;
  margin: 0 0 2rem;
  color: rgba(244, 239, 231, 0.86);
}

.page-home .home-cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.6rem;
}

.page-home .home-cover-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 1rem;
  max-width: 34em;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(200, 161, 101, 0.45);
}

.page-home .home-cover-stat {
  display: flex;
  flex-direction: column;
}

.page-home .home-cover-stat-num {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--color-gold);
  line-height: 1.1;
}

.page-home .home-cover-stat-label {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: rgba(244, 239, 231, 0.75);
}

.page-home .home-cover-vertical {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  color: var(--color-gold);
  opacity: 0.75;
  font-size: 0.78rem;
  -webkit-writing-mode: vertical-rl;
  writing-mode: vertical-rl;
  letter-spacing: 0.3em;
}

/* 章节目录雨 */
.page-home .home-chapter-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  padding: 1.1rem 1.25rem;
  background-color: var(--color-ink);
  color: var(--color-cream);
  border-bottom: var(--home-border-w) solid var(--color-ink);
}

.page-home .home-chapter-nav-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-right: 0.4rem;
}

.page-home .home-chapter-link {
  color: rgba(244, 239, 231, 0.85);
  text-decoration: none;
  font-size: 0.9rem;
  border: 2px solid transparent;
  padding: 0.3rem 0.65rem;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}

.page-home .home-chapter-link:hover,
.page-home .home-chapter-link.is-active {
  color: var(--color-gold);
  border-color: var(--color-gold);
  background-color: rgba(200, 161, 101, 0.12);
}

.page-home .home-chapter-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background-color: rgba(244, 239, 231, 0.4);
}

/* 通用章节头 */
.page-home .home-block-head {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  margin-bottom: 2.2rem;
}

.page-home .home-section-no {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--color-terracotta);
  border: 3px solid var(--color-terracotta);
  width: 3.2rem;
  height: 3.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transform: rotate(45deg);
  box-shadow: var(--home-shadow-sm);
}

.page-home .home-section-no::after {
  content: "";
  display: block;
  transform: rotate(-45deg);
  font-size: 0;
}

.page-home .home-section-no {
  font-size: 1rem;
}

.page-home .home-block-head-text {
  flex: 1;
}

.page-home .home-section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  font-weight: 900;
  margin: 0 0 0.5rem;
  color: var(--color-teal);
  line-height: 1.25;
}

.page-home .home-section-desc {
  margin: 0;
  color: var(--color-gray);
  font-size: 0.97rem;
  max-width: 52em;
}

.page-home .home-section-title::after {
  content: "";
  display: block;
  width: 2.4rem;
  height: 0.3rem;
  background-color: var(--color-gold);
  margin-top: 0.6rem;
}

/* 新版栏目入口 */
.page-home .home-columns {
  padding: 3.5rem 0;
  background-color: var(--color-cream);
  border-bottom: var(--home-border-w) solid var(--color-ink);
}

.page-home .home-columns-body {
  display: grid;
  gap: 2rem;
}

.page-home .home-columns-media .media-frame {
  background-color: var(--color-pale-teal);
  box-shadow: var(--home-shadow);
  border: var(--home-border-w) solid var(--color-ink);
}

.page-home .home-columns-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .home-columns-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.page-home .home-columns-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.8rem;
  background-color: var(--color-cream);
  border: 3px solid var(--color-ink);
  padding: 0.9rem 1rem;
  text-decoration: none;
  color: var(--color-ink);
  box-shadow: var(--home-shadow-sm);
  transition: transform 0.18s, box-shadow 0.18s, background-color 0.18s;
}

.page-home .home-columns-card:hover {
  background-color: var(--color-teal);
  color: var(--color-cream);
  transform: translate(-2px, -2px);
  box-shadow: var(--home-shadow);
}

.page-home .home-columns-no {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--color-terracotta);
  width: 1.8rem;
  height: 1.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-terracotta);
  border-radius: 50%;
}

.page-home .home-columns-card:hover .home-columns-no {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.page-home .home-columns-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
}

.page-home .home-columns-note {
  font-size: 0.78rem;
  color: var(--color-gray);
  text-align: right;
}

.page-home .home-columns-card:hover .home-columns-note {
  color: rgba(244, 239, 231, 0.7);
}

/* 更新记录 */
.page-home .home-updates {
  padding: 3.5rem 0;
  background-color: var(--color-pale-teal);
  border-bottom: var(--home-border-w) solid var(--color-ink);
}

.page-home .home-updates-body {
  display: grid;
  gap: 2rem;
}

.page-home .home-updates-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.page-home .home-update-card {
  position: relative;
  background-color: var(--color-cream);
  border: 3px solid var(--color-ink);
  border-left-width: 8px;
  border-left-color: var(--color-gold);
  padding: 1.2rem 1.2rem 1.1rem;
  box-shadow: var(--home-shadow-sm);
  transition: transform 0.18s, box-shadow 0.18s;
}

.page-home .home-update-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--home-shadow);
}

.page-home .home-update-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  margin-bottom: 0.6rem;
}

.page-home .home-update-version {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-teal);
  background-color: rgba(26, 58, 47, 0.08);
  border: 2px solid var(--color-teal);
  padding: 0.15rem 0.55rem;
}

.page-home .home-update-date {
  font-size: 0.83rem;
  color: var(--color-terracotta);
  font-family: var(--font-accent);
  letter-spacing: 0.06em;
  background-color: rgba(181, 74, 58, 0.08);
  border: 1.5px solid rgba(181, 74, 58, 0.5);
  padding: 0.12rem 0.5rem;
}

.page-home .home-update-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--color-ink);
}

.page-home .home-update-text {
  font-size: 0.92rem;
  color: var(--color-gray);
  margin: 0 0 0.6rem;
  line-height: 1.75;
}

.page-home .home-update-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-teal);
  text-decoration: none;
  border-bottom: 2px solid var(--color-gold);
}

.page-home .home-update-link:hover {
  color: var(--color-terracotta);
  border-bottom-color: var(--color-terracotta);
}

.page-home .home-updates-side .media-frame {
  background-color: var(--color-teal);
  box-shadow: var(--home-shadow);
  border: var(--home-border-w) solid var(--color-ink);
}

.page-home .home-updates-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .home-updates-more {
  margin-top: 2rem;
  text-align: center;
}

/* 资料库指南 */
.page-home .home-guide {
  padding: 3.5rem 0;
  background-color: var(--color-cream);
  border-bottom: var(--home-border-w) solid var(--color-ink);
}

.page-home .home-guide-inner {
  background-color: var(--color-teal);
  border: var(--home-border-w) solid var(--color-ink);
  box-shadow: var(--home-shadow);
  padding: 2rem 1.25rem 2.2rem;
  color: var(--color-cream);
}

.page-home .home-guide .home-section-title {
  color: var(--color-cream);
}

.page-home .home-guide .home-section-desc {
  color: rgba(244, 239, 231, 0.8);
}

.page-home .home-guide .home-section-no {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.page-home .home-guide-steps {
  margin-top: 2rem;
}

.page-home .home-guide-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: guide-step;
}

.page-home .home-guide-step {
  display: flex;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(200, 161, 101, 0.35);
}

.page-home .home-guide-step:last-child {
  border-bottom: none;
}

.page-home .home-guide-step-num {
  flex-shrink: 0;
  width: 2.7rem;
  height: 2.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--color-ink);
  background-color: var(--color-gold);
  border: 3px solid var(--color-ink);
  box-shadow: 3px 3px 0 rgba(27, 28, 27, 0.3);
}

.page-home .home-guide-step-body h3 {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--color-cream);
}

.page-home .home-guide-step-body p {
  font-size: 0.92rem;
  line-height: 1.75;
  margin: 0;
  color: rgba(244, 239, 231, 0.78);
}

.page-home .home-guide-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.4rem;
  margin-top: 1.8rem;
}

.page-home .home-guide-img {
  width: 9rem;
  height: 9rem;
  background-color: var(--color-pale-teal);
  border: 4px solid var(--color-ink);
  box-shadow: var(--home-shadow-sm);
}

.page-home .home-guide-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .home-guide-foot-note {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
}

.page-home .home-guide .vertical-note {
  color: var(--color-gold);
  font-family: var(--font-accent);
  letter-spacing: 0.16em;
}

/* 媒体组件补偿 */
.page-home .media-frame {
  position: relative;
  display: block;
  overflow: hidden;
}

.page-home .media-frame-4-3 {
  aspect-ratio: 4 / 3;
}

.page-home .media-frame-1-2 {
  aspect-ratio: 1 / 2;
}

.page-home .media-frame-1-1 {
  aspect-ratio: 1 / 1;
}

.page-home .media-frame img {
  display: block;
  max-width: 100%;
}

/* 平板纵向（768px 起） */
@media (min-width: 768px) {
  .page-home .home-cover-inner {
    padding: 8rem 3rem 7rem;
  }

  .page-home .home-cover-lead {
    font-size: 1.08rem;
  }

  .page-home .home-cover-stats {
    gap: 2rem;
  }

  .page-home .home-chapter-nav {
    padding: 1.1rem 3rem;
  }

  .page-home .home-columns-body {
    grid-template-columns: 1fr 1.2fr;
    gap: 2.4rem;
  }

  .page-home .home-columns-list {
    grid-template-columns: 1fr 1fr;
    align-content: start;
  }

  .page-home .home-updates-body {
    grid-template-columns: 1.5fr 0.8fr;
    gap: 2.4rem;
  }

  .page-home .home-guide-inner {
    padding: 2.6rem 2.4rem;
  }

  .page-home .home-guide-steps {
    margin-top: 2.4rem;
  }
}

/* 桌面端（992px 起） */
@media (min-width: 992px) {
  .page-home .home-cover {
    min-height: 96vh;
  }

  .page-home .home-cover-inner {
    padding: 10rem 4rem 8rem;
  }

  .page-home .home-cover-vertical {
    right: 2.5rem;
  }

  .page-home .home-columns,
  .page-home .home-updates,
  .page-home .home-guide {
    padding: 4.5rem 0;
  }

  .page-home .home-columns-body {
    grid-template-columns: 0.9fr 1.3fr;
    gap: 3rem;
  }

  .page-home .home-updates-body {
    grid-template-columns: 1.6fr 0.7fr;
    gap: 3rem;
  }

  .page-home .home-update-card {
    padding: 1.4rem 1.6rem;
  }

  .page-home .home-guide-inner {
    padding: 3rem 3.2rem;
  }

  .page-home .home-guide-step {
    gap: 1.4rem;
  }

  .page-home .home-guide-step-num {
    width: 3rem;
    height: 3rem;
  }
}

/* 防止横向溢出 */
@media (max-width: 600px) {
  .page-home .home-columns-note {
    display: none;
  }

  .page-home .home-columns-card {
    grid-template-columns: auto 1fr;
  }

  .page-home .home-updates-side {
    order: -1;
  }

  .page-home .home-updates-side .media-frame {
    aspect-ratio: 16 / 9;
  }

  .page-home .home-updates-side img {
    height: 100%;
  }
}