.page-home {
  --home-gap: clamp(14px, 1.8vw, 22px);
  --home-pad: clamp(18px, 2.6vw, 32px);
  background-color: var(--deep);
  background-image:
    linear-gradient(rgba(31, 217, 208, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 217, 208, 0.06) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  color: var(--hilight);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-home .home-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 26px);
  padding-top: clamp(16px, 2.4vw, 28px);
}

.page-home .home-main {
  min-width: 0;
}

/* 左侧索引 */
.page-home .rail {
  position: sticky;
  top: 76px;
  z-index: 3;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 0 10px;
  border-bottom: 1px solid rgba(184, 255, 249, 0.18);
  scrollbar-width: thin;
}

.page-home .rail a {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid rgba(31, 217, 208, 0.3);
  border-radius: 999px;
  transition: color var(--t-fast) ease, background-color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-home .rail a:hover,
.page-home .rail a:focus-visible {
  color: var(--deep);
  background: var(--neon);
  border-color: var(--neon);
}

.page-home .rail-cap {
  display: none;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ember);
  margin-bottom: 10px;
}

/* 首屏拼贴 */
.page-home .bento {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .cell {
  position: relative;
  border-radius: var(--radius-m);
  overflow: hidden;
  min-width: 0;
}

.page-home .cell--main {
  display: flex;
  align-items: flex-end;
  min-height: 380px;
  background: var(--midnight);
  border: 1px solid rgba(31, 217, 208, 0.35);
}

.page-home .cell-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.page-home .cell--main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 46, 0.45) 0%, rgba(6, 26, 46, 0.94) 78%);
}

.page-home .cell-body {
  position: relative;
  z-index: 2;
  padding: var(--home-pad);
  width: 100%;
}

.page-home .home-h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 4.6vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin: 0 0 14px;
}

.page-home .home-lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: #DCEAEA;
}

.page-home .entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 16px;
}

.page-home .entry-note {
  margin: 0 0 12px;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--hilight);
  max-width: 52ch;
}

.page-home .entry-meta {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  line-height: 1.7;
}

/* 纸面模块 */
.page-home .cell--paper {
  background: var(--cream);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow-paper);
}

.page-home .cell-cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ember);
}

.page-home .cell--index {
  padding: var(--home-pad);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .stat-num {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 6vw, 60px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-home .stat-plus {
  color: var(--ember);
}

.page-home .stat-label {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: #3A2C24;
}

.page-home .text-link {
  align-self: flex-start;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--neon);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-home .text-link:hover,
.page-home .text-link:focus-visible {
  color: var(--ember);
  border-color: var(--ember);
}

/* 地域与兼容 */
.page-home .cell--geo {
  background: var(--midnight);
  border: 1px solid rgba(31, 217, 208, 0.3);
}

.page-home .geo-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  opacity: 0.9;
}

.page-home .geo-cap {
  margin: 0;
  padding: 14px var(--home-pad) 18px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
  border-top: 1px solid rgba(31, 217, 208, 0.2);
}

/* 资料库条 */
.page-home .cell--lib {
  padding: var(--home-pad);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .lib-title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .lib-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  font-size: 14px;
  line-height: 1.6;
  color: #3A2C24;
}

.page-home .lib-facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-home .lib-facts .mono {
  color: var(--ember);
  font-size: 14px;
  font-weight: 700;
}

/* 运营情况 */
.page-home .trust-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(26px, 3.6vw, 40px);
  padding: 18px 0;
  border-top: 1px solid rgba(31, 217, 208, 0.22);
  border-bottom: 1px solid rgba(31, 217, 208, 0.22);
}

.page-home .trust-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px 24px;
}

.page-home .trust-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .trust-list .mono {
  color: var(--neon);
  font-size: 15px;
  font-weight: 700;
}

.page-home .trust-link {
  color: var(--neon);
  border-color: rgba(31, 217, 208, 0.55);
}

.page-home .trust-link:hover,
.page-home .trust-link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* 章节通用 */
.page-home .section {
  padding-top: clamp(38px, 5.6vw, 72px);
}

.page-home .section-cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-home .section-h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 37px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.page-home .section-h2--ink {
  color: var(--ink);
}

.page-home .section-lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--mist);
}

/* 索引目录 */
.page-home .dir-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid rgba(31, 217, 208, 0.28);
}

.page-home .dir-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(31, 217, 208, 0.16);
}

.page-home .dir-num {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ember);
  padding-top: 4px;
}

.page-home .dir-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: #ffffff;
}

.page-home .dir-body {
  min-width: 0;
}

.page-home .dir-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .dir-link {
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--neon);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(31, 217, 208, 0.5);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-home .dir-link:hover,
.page-home .dir-link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* 版本对照 */
.page-home .section--band {
  margin-top: clamp(38px, 5.6vw, 72px);
  padding: clamp(22px, 3vw, 40px) clamp(18px, 2.6vw, 36px) clamp(26px, 3.4vw, 44px);
  border: 1px solid rgba(31, 217, 208, 0.18);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(13, 42, 70, 0.85) 0%, rgba(6, 26, 46, 0.2) 100%);
}

.page-home .tabs {
  position: relative;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-home .tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .tab-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-home .tab-label {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  padding: 9px 16px;
  border: 1px solid rgba(184, 255, 249, 0.35);
  border-radius: 999px;
  color: var(--hilight);
  transition: background-color var(--t-fast) ease, color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-home .tab-label:hover {
  border-color: var(--neon);
  color: var(--neon);
}

.page-home #tab-old:checked ~ .tab-labels label[for="tab-old"],
.page-home #tab-new:checked ~ .tab-labels label[for="tab-new"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.page-home #tab-old:focus-visible ~ .tab-labels label[for="tab-old"],
.page-home #tab-new:focus-visible ~ .tab-labels label[for="tab-new"] {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-home .tab-panel {
  display: none;
  background: var(--cream);
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-paper);
  padding: clamp(18px, 2.4vw, 28px);
}

.page-home #tab-old:checked ~ #panel-old,
.page-home #tab-new:checked ~ #panel-new {
  display: block;
}

.page-home .diff-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: diff;
}

.page-home .diff-list li {
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.72;
  color: #3A2C24;
  counter-increment: diff;
}

.page-home .diff-list li::before {
  content: counter(diff, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

/* 图片容器 */
.page-home .fig-media {
  overflow: hidden;
  border: 1px solid rgba(31, 217, 208, 0.3);
  border-radius: var(--radius-s);
  background: var(--midnight);
}

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

.page-home .fig-cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .compare-fig {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

/* 场景路线 */
.page-home .route-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-home .route-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 18px 0 18px 16px;
  border-left: 2px solid rgba(31, 217, 208, 0.45);
  border-bottom: 1px solid rgba(31, 217, 208, 0.14);
}

.page-home .route-row:first-child {
  border-top: 1px solid rgba(31, 217, 208, 0.14);
}

.page-home .route-num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ember);
  padding-top: 3px;
}

.page-home .route-body {
  min-width: 0;
}

.page-home .route-title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: #ffffff;
}

.page-home .route-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .route-link {
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--neon);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(31, 217, 208, 0.5);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-home .route-link:hover,
.page-home .route-link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* 收藏与咨询 */
.page-home .support-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: clamp(20px, 3vw, 36px);
  background: var(--cream);
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-paper);
}

.page-home .support-text {
  min-width: 0;
}

.page-home .support-lead {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: #3A2C24;
}

.page-home .key {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--paper-2);
  border: 1px solid var(--ink);
  border-radius: var(--radius-s);
  padding: 1px 6px;
  margin: 0 1px;
}

.page-home .support-fig {
  margin: 0;
}

.page-home .support-fig .fig-media {
  border-color: var(--ink);
  background: var(--paper-2);
}

.page-home .support-fig .fig-cap {
  color: #6B584C;
}

@media (min-width: 640px) {
  .page-home .trust-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .dir-row {
    grid-template-columns: 56px minmax(0, 1fr) 150px;
    align-items: center;
    gap: 16px;
  }

  .page-home .dir-link {
    grid-column: 3;
    justify-self: end;
  }

  .page-home .dir-num {
    padding-top: 0;
  }

  .page-home .route-row {
    grid-template-columns: 44px minmax(0, 1fr) 140px;
    align-items: center;
    gap: 18px;
    padding-left: 20px;
  }

  .page-home .route-link {
    grid-column: 3;
    justify-self: end;
  }

  .page-home .route-num {
    padding-top: 0;
  }
}

@media (min-width: 960px) {
  .page-home .home-shell {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-home .rail {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-bottom: 0;
    border-left: 1px solid rgba(31, 217, 208, 0.25);
    padding: 4px 0 0 12px;
  }

  .page-home .rail-cap {
    display: block;
  }

  .page-home .rail a {
    border: 0;
    border-radius: 0;
    padding: 9px 0;
    font-size: 11px;
    background: none;
  }

  .page-home .rail a:hover,
  .page-home .rail a:focus-visible {
    color: var(--neon);
    background: none;
  }

  .page-home .bento {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-home .cell--main {
    grid-column: 1 / span 8;
    grid-row: 1 / span 2;
    min-height: 460px;
  }

  .page-home .cell--index {
    grid-column: 9 / span 4;
    grid-row: 1;
  }

  .page-home .cell--geo {
    grid-column: 9 / span 4;
    grid-row: 2;
  }

  .page-home .cell--lib {
    grid-column: 1 / span 12;
    grid-row: 3;
    grid-template-columns: 1.15fr 1fr auto;
    align-items: center;
    gap: 26px;
  }

  .page-home .geo-img {
    aspect-ratio: 16 / 11;
  }
}

@media (min-width: 1100px) {
  .page-home .trust-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .trust-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }

  .page-home .support-panel {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail a,
  .page-home .text-link,
  .page-home .dir-link,
  .page-home .route-link,
  .page-home .tab-label {
    transition: none;
  }
}