.page-home {
  --home-rail-w: 216px;
  --home-max: 1380px;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-home .home-shell {
  max-width: var(--home-max);
  margin-inline: auto;
}

/* ---------- 索引轴 ---------- */
.page-home .home-rail {
  background: var(--paper);
  border-bottom: 3px solid var(--gold);
  padding: 12px var(--gutter) 10px;
}

.page-home .home-rail__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.page-home .home-rail__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-home .home-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 7px 11px;
  border: 2px solid var(--line-strong);
  background: var(--cream);
  color: var(--ink);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-home .home-rail__link:hover,
.page-home .home-rail__link:focus-visible {
  background: var(--red);
  border-color: var(--red-deep);
  color: var(--cream);
}

.page-home .home-rail__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-dark);
}

.page-home .home-rail__link:hover .home-rail__no,
.page-home .home-rail__link:focus-visible .home-rail__no {
  color: var(--gold-champagne);
}

.page-home .home-rail__foot {
  display: none;
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumbs {
  padding: 14px var(--gutter) 0;
}

/* ---------- 首屏 ---------- */
.page-home .home-open {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 52px) var(--gutter) clamp(44px, 7vw, 84px);
  background: linear-gradient(180deg, var(--paper) 0%, var(--cream) 100%);
  border-bottom: 3px solid var(--ink);
}

.page-home .home-open__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center bottom;
  opacity: 0.13;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, #000 65%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, #000 65%);
}

.page-home .home-open__inner {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin-inline: auto;
}

.page-home .home-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-dark);
}

.page-home .home-eyebrow--light {
  color: var(--gold-champagne);
}

.page-home .home-open__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.5vw, 78px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .home-open__lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .home-open__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 4vw, 40px);
  border: 2px solid var(--ink);
  background: var(--line-strong);
  box-shadow: 6px 6px 0 var(--line-strong);
}

.page-home .home-fact {
  background: var(--paper);
  padding: 14px 16px;
}

.page-home .home-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.4vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--red);
}

.page-home .home-fact__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- 章节通用 ---------- */
.page-home .home-sec {
  padding: clamp(40px, 6vw, 78px) var(--gutter);
}

.page-home .home-sec__inner {
  max-width: 1040px;
  margin-inline: auto;
}

.page-home .home-sec--cream {
  background: var(--cream);
  border-top: 3px solid var(--gold);
}

.page-home .home-sec--paper {
  background: var(--paper);
  border-top: 3px solid var(--line-strong);
}

.page-home .home-sec--gate {
  background: var(--red-deep);
  color: var(--cream);
  border-top: 3px solid var(--gold);
  border-bottom: 3px solid var(--gold);
}

.page-home .home-sec--ink {
  background: var(--ink);
  color: var(--cream);
  border-top: 3px solid var(--gold);
}

.page-home .home-sec__head {
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-home .home-h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .home-h2--light {
  color: var(--cream);
}

.page-home .home-lede {
  max-width: 64ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .home-lede--light {
  color: rgba(244, 235, 221, 0.78);
}

/* ---------- 标签页 ---------- */
.page-home .home-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-home .home-tab {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--line-strong);
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.page-home .home-tab:hover {
  border-color: var(--gold-bronze);
}

.page-home .home-tab[aria-selected="true"] {
  background: var(--red);
  border-color: var(--red-deep);
  color: var(--cream);
  box-shadow: 3px 3px 0 var(--gold-bronze);
}

.page-home .home-tab:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

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

/* ---------- 条目行 ---------- */
.page-home .home-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 16px 18px;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--line-strong);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-home .home-entry:hover,
.page-home .home-entry:focus-visible {
  border-color: var(--gold-bronze);
  box-shadow: 4px 4px 0 var(--gold);
}

.page-home .home-entry__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--red);
}

.page-home .home-entry__title {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .home-entry__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-home .home-entry__go {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold-dark);
}

.page-home .home-entry:hover .home-entry__go {
  color: var(--red);
}

/* ---------- 专区门廊 ---------- */
.page-home .home-gate-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-home .home-seal {
  width: 104px;
  height: 104px;
  max-width: 100%;
  object-fit: contain;
  padding: 8px;
  border: 2px solid var(--gold);
  background: rgba(244, 235, 221, 0.05);
}

.page-home .home-gates {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .home-gate {
  --gate: var(--gold-bronze);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 14px;
  background: rgba(244, 235, 221, 0.06);
  border: 2px solid var(--line-light);
  border-top: 5px solid var(--gate);
  color: var(--cream);
  text-decoration: none;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-home .home-gate:hover,
.page-home .home-gate:focus-visible {
  background: rgba(244, 235, 221, 0.13);
  box-shadow: 0 0 0 2px var(--gate);
}

.page-home .home-gate[data-z="z01"] { --gate: #8C6A3A; }
.page-home .home-gate[data-z="z02"] { --gate: #A88E63; }
.page-home .home-gate[data-z="z03"] { --gate: #9A7E48; }
.page-home .home-gate[data-z="z04"] { --gate: #B4843C; }
.page-home .home-gate[data-z="z05"] { --gate: #BFA57A; }
.page-home .home-gate[data-z="z06"] { --gate: #8A7346; }
.page-home .home-gate[data-z="z07"] { --gate: #C6A15B; }
.page-home .home-gate[data-z="z08"] { --gate: #C9B48A; }

.page-home .home-gate__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gate);
}

.page-home .home-gate__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .home-gate__desc {
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(244, 235, 221, 0.72);
}

.page-home .home-gate__route {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed rgba(244, 235, 221, 0.28);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(244, 235, 221, 0.58);
}

.page-home .home-gate:hover .home-gate__route,
.page-home .home-gate:focus-visible .home-gate__route {
  color: var(--gate);
}

/* ---------- 三步路径 ---------- */
.page-home .home-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0 0 clamp(24px, 4vw, 36px);
  padding: 0;
  list-style: none;
}

.page-home .home-step {
  padding: 20px 18px 18px;
  background: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: 5px 5px 0 var(--line-strong);
}

.page-home .home-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-champagne);
}

.page-home .home-step__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .home-step__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 图片块 ---------- */
.page-home .home-figure {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--line-strong);
}

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

.page-home .home-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 版本对照 ---------- */
.page-home .home-version-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.page-home .home-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--line-strong);
}

.page-home .home-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-home .home-table__cap {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.page-home .home-table thead th {
  padding: 11px 14px;
  text-align: left;
  background: var(--red);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-home .home-table tbody th {
  padding: 12px 14px;
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  white-space: nowrap;
}

.page-home .home-table tbody td {
  padding: 12px 14px;
  vertical-align: top;
  line-height: 1.7;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.page-home .home-table tbody tr:last-child th,
.page-home .home-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 收藏 ---------- */
.page-home .home-save-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .home-save {
  padding: 20px 18px;
  background: var(--cream);
  border: 2px solid var(--ink);
  border-left: 6px solid var(--red);
}

.page-home .home-save__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold-dark);
}

.page-home .home-save__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .home-save__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .home-back {
  margin: clamp(22px, 4vw, 32px) 0 0;
}

.page-home .home-back__link {
  display: inline-block;
  padding: 11px 20px;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--ink);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-home .home-back__link:hover,
.page-home .home-back__link:focus-visible {
  background: var(--red);
  color: var(--cream);
  border-color: var(--red-deep);
}

.page-home .home-back__link:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

/* ---------- 服务支持 ---------- */
.page-home .home-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .home-cta {
  display: inline-block;
  margin-top: 20px;
  padding: 13px 26px;
  background: var(--gold);
  border: 2px solid var(--gold-champagne);
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.45);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-home .home-cta:hover,
.page-home .home-cta:focus-visible {
  background: var(--cream);
}

.page-home .home-cta:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.45);
}

.page-home .home-contact {
  margin: 0;
  border-top: 1px solid rgba(244, 235, 221, 0.26);
}

.page-home .home-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(244, 235, 221, 0.26);
}

.page-home .home-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-champagne);
}

.page-home .home-contact__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .home-gates {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-contact__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-home .home-open__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-save-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-gate-head {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }

  .page-home .home-version-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr);
    gap: 24px;
  }

  .page-home .home-support {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 44px;
  }

  .page-home .home-entry {
    padding: 18px 22px;
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-home .home-shell {
    display: grid;
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .home-rail {
    position: sticky;
    top: 128px;
    align-self: start;
    padding: 26px 18px;
    border-bottom: 0;
    border-right: 3px solid var(--gold);
    min-height: 58vh;
  }

  .page-home .home-rail__nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .home-rail__link {
    border: 0;
    border-left: 3px solid transparent;
    background: transparent;
    padding: 10px 10px;
    font-size: 14px;
  }

  .page-home .home-rail__link:hover,
  .page-home .home-rail__link:focus-visible {
    background: var(--cream);
    color: var(--red);
    border-left-color: var(--red);
  }

  .page-home .home-rail__link:hover .home-rail__no,
  .page-home .home-rail__link:focus-visible .home-rail__no {
    color: var(--red);
  }

  .page-home .home-rail__foot {
    display: block;
    margin: 26px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.8;
    color: var(--ink-soft);
  }

  .page-home .home-crumbs {
    padding: 20px var(--gutter) 0;
  }

  .page-home .home-gates {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .home-seal {
    width: 132px;
    height: 132px;
  }

  .page-home .home-open {
    padding-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-rail__link,
  .page-home .home-tab,
  .page-home .home-entry,
  .page-home .home-gate,
  .page-home .home-back__link,
  .page-home .home-cta {
    transition: none;
  }

  .page-home .home-back__link:active,
  .page-home .home-cta:active {
    transform: none;
  }
}