.page-custom {
  --pack-frame: var(--color-contrast-line);
  --pack-gap: var(--space-4);
}

/* ---------- 面包屑 ---------- */
.page-custom .breadcrumb {
  padding-block: var(--space-3) var(--space-1);
}

/* ---------- 首屏框景 ---------- */
.page-custom .pack-hero {
  position: relative;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-8) var(--space-6);
  overflow: hidden;
}

.page-custom .pack-hero::before {
  content: "";
  position: absolute;
  inset: var(--space-2);
  border: var(--border-thin) solid var(--pack-frame);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.page-custom .pack-hero__inner {
  position: relative;
  z-index: 1;
}

.page-custom .pack-hero__rail {
  position: absolute;
  top: 50%;
  left: var(--space-3);
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.32em;
  color: var(--color-contrast-accent);
  opacity: 0.72;
  pointer-events: none;
  z-index: 2;
}

.page-custom .pack-hero__eyebrow {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  color: var(--color-contrast-accent);
}

.page-custom .pack-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.06;
  letter-spacing: -0.012em;
  margin: 0 0 var(--space-6);
  max-width: 12ch;
  color: var(--color-contrast-ink);
}

.page-custom .pack-hero__grid {
  display: grid;
  gap: var(--space-6);
}

.page-custom .pack-hero__text {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.88;
  margin: 0;
  max-width: var(--measure);
}

.page-custom .pack-hero__figures {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--pack-frame);
}

.page-custom .hero-fig {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 84px;
}

.page-custom .hero-fig .figure-lg {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-custom .hero-fig__label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-contrast-ink);
  opacity: 0.74;
}

.page-custom .pack-hero__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin) solid var(--pack-frame);
}

/* ---------- 档位刻度条 ---------- */
.page-custom .pack-scale {
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: 0;
  display: flex;
  overflow-x: auto;
  border-top: var(--border-thin) solid var(--pack-frame);
  padding-top: var(--space-2);
  scrollbar-width: thin;
}

.page-custom .pack-scale__cell {
  position: relative;
  flex: 0 0 auto;
  min-width: 104px;
}

.page-custom .pack-scale__cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--pack-frame);
}

.page-custom .pack-scale__cell:first-child::before {
  display: none;
}

.page-custom .pack-scale__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  min-height: 126px;
  padding: var(--space-2) var(--space-1) var(--space-2);
  text-decoration: none;
  color: var(--color-contrast-ink);
  border-radius: var(--radius-sm);
  transition: background-color 160ms ease;
}

.page-custom .pack-scale__item:hover,
.page-custom .pack-scale__item:focus-visible {
  background: color-mix(in srgb, var(--color-primary) 30%, transparent);
}

.page-custom .pack-scale__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
}

.page-custom .pack-scale__obj {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-contrast-ink);
  opacity: 0.88;
  margin-top: auto;
}

/* ---------- 档位区块通用 ---------- */
.page-custom .pack-tier {
  position: relative;
  padding-block: var(--section-y);
}

.page-custom .pack-tier__head {
  display: grid;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.page-custom .pack-tier__head::after {
  content: "";
  display: block;
  width: 72px;
  height: 1px;
  margin-top: var(--space-3);
  background: var(--color-accent);
}

.page-custom .pack-tier__idx {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-custom .pack-tier__name {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  margin: 0;
  color: var(--color-ink);
}

.page-custom .pack-tier__object {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.page-custom .pack-tier__body {
  display: grid;
  gap: var(--space-6);
}

.page-custom .pack-tier__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
}

.page-custom .pack-tier__media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 规格四行 */
.page-custom .pack-spec {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-custom .pack-spec li {
  display: grid;
  gap: 2px;
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary-soft);
}

.page-custom .pack-spec__k {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-custom .pack-spec__v {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-custom .pack-spec__v a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-custom .pack-spec__v a:hover {
  color: var(--color-focus);
}

/* ---------- 档位 D：深空数据带 ---------- */
.page-custom .pack-tier--d {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-custom .pack-tier--d .pack-tier__name {
  color: var(--color-contrast-ink);
}

.page-custom .pack-tier--d .pack-tier__idx {
  color: var(--color-contrast-accent);
}

.page-custom .pack-tier--d .pack-tier__object {
  color: var(--color-contrast-accent);
}

.page-custom .pack-tier--d .pack-tier__head::after {
  background: var(--color-contrast-accent);
}

.page-custom .pack-tier--d .pack-tier__media {
  border-color: var(--pack-frame);
}

.page-custom .pack-tier--d .pack-spec li {
  border-left-color: var(--pack-frame);
}

.page-custom .pack-tier--d .pack-spec__k {
  color: var(--color-contrast-accent);
}

.page-custom .pack-tier--d .pack-spec__v {
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-custom .pack-tier--d .pack-spec__v a {
  color: var(--color-contrast-accent);
}

/* ---------- 区块头通用 ---------- */
.page-custom .pack-sec-head {
  margin-bottom: var(--space-6);
}

.page-custom .pack-sec-head__idx {
  display: inline-block;
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.page-custom .pack-sec-head__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

.page-custom .pack-sec-head__lead {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0;
  max-width: var(--measure);
}

/* ---------- 对照表 ---------- */
.page-custom .pack-matrix-section {
  position: relative;
  padding-block: var(--section-y);
  background: var(--color-surface-alt);
}

.page-custom .pack-matrix__wrap {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.page-custom .pack-matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.page-custom .pack-matrix__caption {
  caption-side: top;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-custom .pack-matrix th,
.page-custom .pack-matrix td {
  padding: var(--space-3) var(--space-3);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.page-custom .pack-matrix thead th {
  background: var(--color-surface-deep);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.page-custom .pack-matrix tbody th {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  color: var(--color-ink);
  white-space: nowrap;
}

.page-custom .pack-matrix__no {
  display: inline-block;
  margin-right: var(--space-2);
  color: var(--color-accent);
  font-size: var(--text-xs);
}

.page-custom .pack-matrix td.is-on {
  color: var(--color-accent);
  font-weight: var(--weight-heading);
}

.page-custom .pack-matrix tbody tr:hover td,
.page-custom .pack-matrix tbody tr:hover th {
  background: var(--color-primary-soft);
}

.page-custom .pack-matrix tbody tr:last-child th,
.page-custom .pack-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.page-custom .pack-matrix__note {
  margin: var(--space-4) 0 0;
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ---------- 升级关系 ---------- */
.page-custom .pack-upgrade {
  position: relative;
  padding-block: var(--section-y);
}

.page-custom .pack-upgrade__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-custom .pack-upgrade__item {
  display: grid;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-custom .pack-upgrade__no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-custom .pack-upgrade__text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ---------- 选择建议 ---------- */
.page-custom .pack-advice {
  position: relative;
  padding-block: var(--space-8);
}

.page-custom .pack-advice__panel {
  background: var(--color-highlight);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4);
  border-left: var(--border-thick) solid var(--color-accent);
}

.page-custom .pack-advice__k {
  display: block;
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.page-custom .pack-advice__text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-ink);
  max-width: 46ch;
}

/* ---------- 行动出口 ---------- */
.page-custom .pack-next {
  position: relative;
  padding-block: 0 var(--section-y-lg);
}

.page-custom .pack-next__grid {
  display: grid;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-custom .pack-next__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

.page-custom .pack-next__text {
  margin: 0 0 var(--space-3);
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-custom .pack-next__text a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-custom .pack-next__text a:hover {
  color: var(--color-focus);
}

.page-custom .pack-next__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.page-custom .pack-next__aside-k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.page-custom .pack-next__btn {
  width: 100%;
  text-align: center;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-custom .pack-scale {
    overflow-x: visible;
  }

  .page-custom .pack-scale__cell {
    flex: 1 1 0;
    min-width: 0;
  }

  .page-custom .pack-upgrade__item {
    grid-template-columns: 140px 1fr;
    align-items: baseline;
    gap: var(--space-4);
  }

  .page-custom .pack-advice__panel {
    padding: var(--space-8) var(--space-6);
  }
}

@media (min-width: 900px) {
  .page-custom .pack-hero {
    padding-block: var(--space-8) var(--space-8);
  }

  .page-custom .pack-hero__grid {
    grid-template-columns: 1fr 0.82fr;
    align-items: end;
    gap: var(--space-8);
  }

  .page-custom .pack-next__grid {
    grid-template-columns: 1.6fr 0.8fr;
    align-items: start;
    gap: var(--space-8);
  }

  .page-custom .pack-next__aside {
    padding-top: var(--space-2);
  }

  .page-custom .pack-tier__body {
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-custom .pack-tier__head {
    margin-bottom: var(--space-8);
  }

  /* A：宽图在上，规格两栏在下 */
  .page-custom .pack-tier--a .pack-tier__media {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .page-custom .pack-tier--a .pack-spec {
    grid-column: 1 / -1;
    grid-row: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4) var(--space-8);
  }

  /* B：左文右窄图 */
  .page-custom .pack-tier--b .pack-spec {
    grid-column: 1 / span 6;
    grid-row: 1;
  }

  .page-custom .pack-tier--b .pack-tier__media {
    grid-column: 8 / span 5;
    grid-row: 1;
  }

  /* C：左方图右文 */
  .page-custom .pack-tier--c .pack-tier__media {
    grid-column: 1 / span 4;
    grid-row: 1;
  }

  .page-custom .pack-tier--c .pack-spec {
    grid-column: 6 / span 7;
    grid-row: 1;
  }

  /* D：深色满宽横幅 + 两栏规格 */
  .page-custom .pack-tier--d .pack-tier__media {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .page-custom .pack-tier--d .pack-spec {
    grid-column: 1 / -1;
    grid-row: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4) var(--space-8);
    padding-top: var(--space-4);
    border-top: var(--border-thin) solid var(--pack-frame);
  }

  /* E：无图，规格四栏错落 */
  .page-custom .pack-tier--e .pack-spec {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6) var(--space-8);
  }
}

@media (min-width: 1100px) {
  .page-custom .pack-hero__rail {
    left: var(--space-6);
  }

  .page-custom .pack-tier--e .pack-spec {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .page-custom .pack-tier--e .pack-spec li {
    padding-left: 0;
    border-left: 0;
    border-top: var(--border-thick) solid var(--color-primary-soft);
    padding-top: var(--space-3);
  }
}
<<<END>>>