.page-home {
  --home-tree-w: 212px;
  --home-gap: clamp(1.6rem, 3.4vw, 3.2rem);
  --home-sec-gap: clamp(3rem, 7vw, 5.4rem);
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumb {
  width: min(var(--shell-w), 100% - 2 * var(--gutter));
  margin-inline: auto;
  padding-top: clamp(1rem, 2.4vw, 1.6rem);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
}
.page-home .home-crumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  color: var(--mist);
}
.page-home .home-crumb li + li::before {
  content: "/";
  margin-right: .45rem;
  color: var(--line);
}
.page-home .home-crumb a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-home .home-crumb a:hover,
.page-home .home-crumb a:focus-visible {
  border-bottom-color: var(--neon);
}
.page-home .home-crumb [aria-current="page"] {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-home .atrium {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-block: clamp(1.6rem, 5vw, 3.2rem) clamp(2.6rem, 7vw, 5.2rem);
  border-bottom: var(--hair);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(201, 162, 39, .13), transparent 60%),
    radial-gradient(90% 80% at 4% 96%, rgba(56, 225, 198, .09), transparent 62%),
    linear-gradient(180deg, rgba(17, 27, 62, .55), rgba(10, 18, 48, 0));
}
.page-home .atrium::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(27, 42, 90, .55) 0 1px, transparent 1px 84px);
  opacity: .55;
  pointer-events: none;
  z-index: -1;
}
.page-home .atrium-cut {
  position: absolute;
  top: -18%;
  right: -14%;
  width: 62%;
  height: 140%;
  transform: skewY(-8deg);
  background: linear-gradient(200deg, rgba(17, 27, 62, .95) 0%, rgba(10, 18, 48, .45) 55%, rgba(10, 18, 48, 0) 100%);
  border-left: 1px solid rgba(201, 162, 39, .35);
  pointer-events: none;
  z-index: -1;
}
.page-home .atrium-inner {
  position: relative;
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

.page-home .atrium-kicker {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-lift);
}
.page-home .atrium-title {
  margin: 0 0 1.15rem;
  font-family: var(--font-serif);
  font-weight: 800;
  line-height: 1.14;
  color: var(--paper);
  letter-spacing: .01em;
}
.page-home .atrium-brand {
  display: block;
  font-size: clamp(1rem, 2.4vw, 1.24rem);
  font-weight: 600;
  letter-spacing: .34em;
  color: var(--neon);
  margin-bottom: .85rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid rgba(56, 225, 198, .28);
}
.page-home .atrium-line {
  display: block;
  font-size: clamp(1.72rem, 5.4vw, 3.1rem);
  max-width: 15em;
}
.page-home .atrium-lede {
  margin: 0 0 1.6rem;
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.06rem);
  line-height: 1.85;
  color: rgba(244, 240, 230, .82);
}
.page-home .atrium-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .55rem;
}
.page-home .atrium-quick a {
  display: inline-block;
  padding: .48rem .82rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--paper);
  text-decoration: none;
  background: rgba(17, 27, 62, .8);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.page-home .atrium-quick a:hover,
.page-home .atrium-quick a:focus-visible {
  color: var(--neon);
  border-color: rgba(56, 225, 198, .55);
  transform: translateY(-2px);
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-home .atrium-plate {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  align-items: start;
}
.page-home .atrium-vertical {
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: .74rem;
  letter-spacing: .34em;
  color: rgba(201, 162, 39, .8);
}
.page-home .atrium-frame {
  margin: 0;
  position: relative;
  background: var(--card);
  border: var(--hair);
  box-shadow: var(--shadow-2);
}
.page-home .atrium-frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(225deg, rgba(201, 162, 39, .65) 0 50%, transparent 50%);
  pointer-events: none;
}
.page-home .atrium-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.85) brightness(.92);
}
.page-home .atrium-frame figcaption {
  padding: .68rem .9rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--mist);
  border-top: var(--hair);
}

/* ---------- 主体双栏 ---------- */
.page-home .home-body {
  display: grid;
  gap: var(--home-gap);
  padding-block: clamp(2rem, 5vw, 3.6rem) clamp(3rem, 7vw, 5rem);
}

.page-home .home-tree-heading {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .22em;
  color: var(--gold);
  text-transform: uppercase;
}
.page-home .home-tree-list {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.page-home .index-link {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .42rem .7rem;
  font-size: .86rem;
  color: rgba(244, 240, 230, .78);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}
.page-home .tree-num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gold);
}
.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  color: var(--neon);
  background: rgba(17, 27, 62, .85);
  border-color: rgba(56, 225, 198, .4);
  outline: none;
}
.page-home .index-link[aria-current="true"] {
  color: var(--neon);
  background: rgba(17, 27, 62, .95);
  border-color: rgba(201, 162, 39, .6);
  border-left-width: 3px;
}
.page-home .home-tree-note {
  margin: 0;
  padding-top: .9rem;
  border-top: var(--hair);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */
.page-home .home-sec + .home-sec {
  margin-top: var(--home-sec-gap);
}
.page-home .home-sec {
  scroll-margin-top: 6.5rem;
}
.page-home .home-sec-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: .85rem;
  border-bottom: var(--hair);
  margin-bottom: 1.4rem;
}
.page-home .home-sec-index {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}
.page-home .home-sec-title {
  margin: 0 0 .28rem;
  font-family: var(--font-serif);
  font-size: clamp(1.32rem, 3vw, 1.72rem);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: .02em;
}
.page-home .home-sec-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--mist);
}
.page-home .home-lede {
  margin: 0 0 1.7rem;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(244, 240, 230, .8);
}
.page-home .home-link-line {
  margin: 1.5rem 0 0;
  font-size: .92rem;
  color: var(--mist);
}
.page-home .home-aside-line {
  margin: 1.1rem 0 0;
  font-size: .88rem;
  color: var(--mist);
}
.page-home .home-link-line a,
.page-home .home-aside-line a {
  color: var(--neon);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid rgba(56, 225, 198, .45);
}
.page-home .home-link-line a:hover,
.page-home .home-link-line a:focus-visible,
.page-home .home-aside-line a:hover,
.page-home .home-aside-line a:focus-visible {
  border-bottom-color: var(--gold-lift);
  color: var(--gold-lift);
}

/* ---------- 前厅索引卡 ---------- */
.page-home .hall-grid {
  display: grid;
  gap: .9rem;
  grid-template-columns: 1fr;
}
.page-home .hall-card {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 1.15rem 1.05rem 1rem;
  background: linear-gradient(180deg, rgba(17, 27, 62, .96), rgba(17, 27, 62, .78));
  border: var(--hair);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow-1);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.page-home .hall-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--gold), rgba(201, 162, 39, 0));
}
.page-home .hall-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  background: linear-gradient(225deg, rgba(201, 162, 39, .55) 0 50%, transparent 50%);
}
.page-home .hall-card:hover,
.page-home .hall-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(56, 225, 198, .5);
  box-shadow: var(--shadow-2);
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.page-home .hall-card-index {
  display: block;
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .16em;
  color: var(--violet);
  margin-bottom: .5rem;
}
.page-home .hall-card-title {
  margin: 0 0 .5rem;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--paper);
}
.page-home .hall-card-text {
  margin: 0 0 .9rem;
  font-size: .9rem;
  line-height: 1.78;
  color: rgba(244, 240, 230, .72);
}
.page-home .hall-card-path {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--neon);
  border-bottom: 1px dashed rgba(56, 225, 198, .5);
}
.page-home .hall-card--wide {
  background: linear-gradient(135deg, rgba(17, 27, 62, .96), rgba(46, 125, 107, .18));
}

/* ---------- 路径速览 ---------- */
.page-home .route-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.6rem;
}
.page-home .route-step {
  position: relative;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
}
.page-home .route-step::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 52px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
}
.page-home .route-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: .45rem;
}
.page-home .route-step-title {
  margin: 0 0 .45rem;
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--paper);
}
.page-home .route-step p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(244, 240, 230, .74);
}

.page-home .panel-card {
  margin-top: 1.8rem;
  border: var(--hair);
  border-left: 3px solid var(--violet);
  background: rgba(17, 27, 62, .72);
  border-radius: var(--radius);
}
.page-home .panel-card-q {
  font-size: .96rem;
  font-weight: 600;
  color: var(--paper);
  text-align: left;
}
.page-home .panel-card-plus {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}
.page-home .panel-card-plus::before,
.page-home .panel-card-plus::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 2px;
  background: var(--gold);
  transform: translateY(-50%);
  transition: transform .2s ease, opacity .2s ease;
}
.page-home .panel-card-plus::after {
  transform: translateY(-50%) rotate(90deg);
}
.page-home .accordion-trigger[aria-expanded="true"] .panel-card-plus::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}
.page-home .panel-card-body {
  padding: 1.05rem 1.1rem 1.2rem;
  border-top: var(--hair);
}
.page-home .panel-card-body p {
  margin: 0 0 .85rem;
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(244, 240, 230, .78);
}
.page-home .panel-card-body p:last-child {
  margin-bottom: 0;
}
.page-home .panel-card-body strong {
  color: var(--neon);
  font-weight: 600;
}

.page-home .route-figure,
.page-home .drawer-figure,
.page-home .desk-figure {
  margin: 1.8rem 0 0;
  background: var(--card);
  border: var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}
.page-home .route-figure img,
.page-home .drawer-figure img,
.page-home .desk-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.85) brightness(.92);
}
.page-home .route-figure figcaption,
.page-home .drawer-figure figcaption {
  padding: .65rem .9rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--mist);
  border-top: var(--hair);
}

/* ---------- 月度更新 ---------- */
.page-home .month-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.4rem;
}
.page-home .month-chip {
  display: inline-block;
  padding: .38rem .78rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: rgba(244, 240, 230, .8);
  background: rgba(17, 27, 62, .85);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.page-home .month-chip--now {
  color: var(--void);
  background: var(--gold-lift);
  border-color: var(--gold);
  font-weight: 700;
}
.page-home .month-chip--clay {
  border-color: rgba(181, 106, 60, .7);
  color: #E2A277;
}
.page-home .month-chip--jade {
  border-color: rgba(46, 125, 107, .85);
  color: #7FC9B6;
}

.page-home .home-entries {
  display: grid;
  gap: .1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--hair);
}
.page-home .home-entries .entry {
  padding: .82rem .2rem .82rem 1.5rem;
  position: relative;
  font-size: .93rem;
  line-height: 1.72;
  color: rgba(244, 240, 230, .82);
  border-bottom: var(--hair);
}
.page-home .home-entries .entry::before {
  content: "";
  position: absolute;
  left: .1rem;
  top: 1.35rem;
  width: 9px;
  height: 1px;
  background: var(--neon);
}
.page-home .home-entries .entry:hover {
  color: var(--paper);
  background: rgba(27, 42, 90, .32);
}

/* ---------- 终端适配 ---------- */
.page-home .desk-grid {
  display: grid;
  gap: 1.5rem;
}
.page-home .desk-figure {
  margin: 0;
}
.page-home .desk-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-home .desk-list li {
  padding: 1rem 1.05rem;
  background: rgba(17, 27, 62, .7);
  border: var(--hair);
  border-radius: var(--radius);
  transition: transform .2s ease, border-color .2s ease;
}
.page-home .desk-list li:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 225, 198, .45);
}
.page-home .desk-tag {
  display: inline-block;
  margin-bottom: .5rem;
  padding: .2rem .55rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold-lift);
  border: 1px solid rgba(201, 162, 39, .5);
  border-radius: var(--radius);
}
.page-home .desk-list strong {
  display: block;
  margin-bottom: .38rem;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  color: var(--paper);
}
.page-home .desk-list p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: rgba(244, 240, 230, .74);
}

/* ---------- 联系与备案 ---------- */
.page-home .home-data {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: var(--hair);
}
.page-home .data-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .3rem;
  padding: .95rem .2rem;
  border-bottom: var(--hair);
}
.page-home .data-row dt {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--gold);
}
.page-home .data-row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
}
.page-home .mono-cell {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--paper);
  word-break: break-all;
}
.page-home .copy-btn {
  padding: .3rem .68rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--neon);
  background: transparent;
  border: 1px solid rgba(56, 225, 198, .45);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}
.page-home .copy-btn:hover,
.page-home .copy-btn:focus-visible {
  color: var(--void);
  background: var(--neon);
  border-color: var(--neon);
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.page-home .copy-btn.is-copied {
  color: var(--void);
  background: var(--gold-lift);
  border-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .hall-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .route-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }
  .page-home .data-row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 880px) {
  .page-home .atrium-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: clamp(2rem, 4vw, 3.6rem);
  }
  .page-home .desk-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 1.8rem;
  }
  .page-home .desk-figure {
    position: sticky;
    top: 7.5rem;
  }
}

@media (min-width: 1000px) {
  .page-home .home-body {
    grid-template-columns: var(--home-tree-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.4rem);
  }
  .page-home .home-tree {
    position: sticky;
    top: 7.2rem;
  }
  .page-home .home-tree-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: .15rem;
  }
  .page-home .index-link {
    width: 100%;
  }
}

@media (min-width: 1200px) {
  .page-home .hall-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .hall-card--wide {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hall-card,
  .page-home .desk-list li,
  .page-home .atrium-quick a,
  .page-home .index-link,
  .page-home .copy-btn {
    transition: none;
  }
  .page-home .hall-card:hover,
  .page-home .hall-card:focus-visible,
  .page-home .desk-list li:hover,
  .page-home .atrium-quick a:hover,
  .page-home .atrium-quick a:focus-visible {
    transform: none;
  }
}