.page-home {
  --home-hair: 1px solid var(--mist);
  --home-hair-dark: 1px solid rgba(201, 210, 224, 0.2);
}

.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 18px 0;
  border-bottom: var(--line);
  font-size: 13px;
  line-height: 1.5;
  color: var(--grey);
}

.page-home .home-context .mono {
  color: var(--indigo);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-home .home-context__sep {
  width: 20px;
  height: 1px;
  background: var(--apricot);
}

/* ---------- 骨架：左栏 + 右栏 ---------- */
.page-home .home-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-m);
  align-items: start;
  padding-top: var(--space-m);
}

.page-home .home-rail {
  position: relative;
  min-width: 0;
}

.page-home .home-rail__title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(36px, 9vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .home-rail__title .mono {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.48em;
  letter-spacing: 0.02em;
  color: var(--apricot);
  vertical-align: middle;
}

.page-home .home-rail__claim {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--apricot);
  font-size: 16px;
  line-height: 1.75;
  color: var(--grey);
}

.page-home .home-rail__nav {
  margin-top: 36px;
}

.page-home .home-rail__navtitle {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grey);
}

.page-home .toc {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--home-hair);
  border-bottom: var(--home-hair);
}

.page-home .toc li {
  border-bottom: var(--home-hair);
}

.page-home .toc li:last-child {
  border-bottom: 0;
}

.page-home .toc__link {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 12px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--grey);
  text-decoration: none;
  transition: color 0.2s var(--ease), box-shadow 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-home .toc__link .mono {
  font-size: 12px;
  color: var(--mist);
}

.page-home .toc__link:hover,
.page-home .toc__link:focus-visible {
  color: var(--indigo);
  padding-left: 5px;
}

.page-home .toc__link.is-active,
.page-home .toc__link[aria-current="true"] {
  color: var(--indigo);
  font-weight: 600;
  box-shadow: inset 2px 0 0 var(--apricot);
  padding-left: 10px;
}

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

/* ---------- 区块节奏 ---------- */
.page-home .home-block {
  padding-bottom: var(--space-s);
}

.page-home .home-block + .home-block {
  border-top: var(--home-hair);
  margin-top: var(--space-s);
  padding-top: var(--space-s);
}

.page-home .home-block--sand,
.page-home .home-block--dark {
  border-top: 0;
  padding: var(--space-s) 24px;
  margin-top: var(--space-s);
}

.page-home .home-block--sand {
  background: var(--sand);
}

.page-home .home-block--dark {
  background: var(--indigo);
}

.page-home .home-block__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(25px, 5vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .home-block__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--grey);
}

.page-home .home-block--dark .home-block__title {
  color: var(--cream);
}

.page-home .home-block--dark .home-block__lead {
  color: rgba(250, 247, 242, 0.78);
}

.page-home .home-block--dark .eyebrow {
  color: var(--gold);
}

/* ---------- 图片 ---------- */
.page-home .home-figure {
  margin: 28px 0 0;
}

.page-home .home-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--home-hair);
  object-fit: cover;
  background: var(--indigo);
}

.page-home .home-figure figcaption {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

.page-home .home-upgrade__media {
  margin: 0;
}

.page-home .home-upgrade__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--home-hair);
  object-fit: cover;
  background: var(--paper);
}

/* ---------- 坐标索引 ---------- */
.page-home .coord-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: var(--home-hair);
}

.page-home .coord-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 16px 0;
  border-bottom: var(--home-hair);
  align-items: start;
  transition: background-color 0.2s var(--ease);
}

.page-home .coord-item:hover {
  background: rgba(242, 140, 40, 0.06);
}

.page-home .coord-item__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--apricot);
  padding-top: 3px;
}

.page-home .coord-item__label {
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
}

.page-home .coord-item__meta {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey);
}

.page-home .coord-item__meta a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--apricot);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease);
}

.page-home .coord-item__meta a:hover,
.page-home .coord-item__meta a:focus-visible {
  color: var(--apricot);
}

.page-home .home-index--plain .coord-item {
  padding: 14px 0;
}

/* ---------- 5 步 → 2 步 对照 ---------- */
.page-home .home-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 28px;
  background: var(--mist);
  border: var(--home-hair);
}

.page-home .home-compare__col {
  background: var(--paper);
  padding: 22px 20px;
}

.page-home .home-compare__col--now {
  background: var(--indigo);
}

.page-home .home-compare__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--grey);
}

.page-home .home-compare__col--now .home-compare__label {
  color: var(--gold);
}

.page-home .home-compare__list {
  list-style: none;
  counter-reset: leg;
  margin: 16px 0 0;
  padding: 0;
}

.page-home .home-compare__list li {
  counter-increment: leg;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--grey);
}

.page-home .home-compare__list li::before {
  content: counter(leg, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-home .home-compare__col--before .home-compare__list li {
  opacity: 0.72;
}

.page-home .home-compare__col--now .home-compare__list li {
  color: var(--cream);
  font-size: 15px;
}

.page-home .home-compare__col--now .home-compare__list li::before {
  color: var(--apricot);
}

/* ---------- 要点块 ---------- */
.page-home .home-points {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-home .home-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .home-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

.page-home .home-points--after {
  margin-top: 24px;
}

/* ---------- V3.1 升级卡 ---------- */
.page-home .home-upgrade {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.page-home .home-upgrade + .home-upgrade {
  margin-top: var(--space-s);
  padding-top: var(--space-s);
  border-top: var(--home-hair);
}

.page-home .home-upgrade__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--apricot);
}

.page-home .home-upgrade__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--ink);
}

.page-home .home-upgrade__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

.page-home .home-upgrade__body .btn {
  margin-top: 18px;
}

/* ---------- 客服与响应 ---------- */
.page-home .home-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
}

.page-home .home-contact__item {
  padding-top: 14px;
  border-top: var(--home-hair-dark);
}

.page-home .home-contact__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .home-contact__value {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cream);
}

.page-home .home-contact__value.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-home .home-block--dark .btn {
  margin-top: 28px;
}

/* ---------- 页尾信息 ---------- */
.page-home .home-footnote {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  margin: 0;
  padding: 24px 0 40px;
  border-top: var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

.page-home .home-footnote .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--indigo);
}

/* ---------- 窄屏：坐标条横向滑动 ---------- */
@media (max-width: 979px) {
  .page-home .toc {
    display: flex;
    overflow-x: auto;
    border-bottom: var(--home-hair);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .page-home .toc li {
    flex: 0 0 auto;
    border-bottom: 0;
    border-right: var(--home-hair);
  }

  .page-home .toc li:last-child {
    border-right: 0;
  }

  .page-home .toc__link {
    grid-template-columns: auto auto;
    gap: 6px;
    padding: 11px 16px;
    white-space: nowrap;
  }

  .page-home .toc__link.is-active,
  .page-home .toc__link[aria-current="true"] {
    box-shadow: inset 0 -2px 0 var(--apricot);
    padding-left: 16px;
  }
}

@media (min-width: 720px) {
  .page-home .home-compare {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 980px) {
  .page-home .home-grid {
    grid-template-columns: minmax(210px, 5fr) minmax(0, 7fr);
    gap: 64px;
    padding-top: 72px;
  }

  .page-home .home-rail {
    position: sticky;
    top: 132px;
  }

  .page-home .home-upgrade {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 32px;
    align-items: center;
  }

  .page-home .home-upgrade--flip .home-upgrade__media {
    order: 2;
  }

  .page-home .home-contact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .coord-item {
    grid-template-columns: 48px minmax(0, 220px) minmax(0, 1fr);
    align-items: baseline;
  }

  .page-home .coord-item__meta {
    grid-column: 3;
  }
}