.page-products {
  --pf-rail: 78px;
  --pf-card-gap: 12px;
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .crumbs {
  padding: 18px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grass);
}

.page-products .crumbs a {
  color: var(--saddle);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .crumbs a:hover {
  border-bottom-color: var(--cyan);
}

.page-products .crumbs span[aria-current="page"] {
  color: var(--rust);
}

.page-products .pf-hero {
  position: relative;
  margin-top: 18px;
  padding: 24px 0 8px;
  border-top: 2px solid var(--ink);
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 86px;
  height: 2px;
  background: var(--amber);
}

.page-products .pf-hero h1 {
  font-size: clamp(28px, 7.4vw, 52px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -.035em;
  color: var(--ink);
  margin: 12px 0 14px;
  max-width: 18ch;
}

.page-products .pf-hero__lead {
  font-size: 15px;
  line-height: 1.66;
  color: var(--saddle);
  max-width: 62ch;
  margin: 0;
}

/* ---------- 四项服务索引 ---------- */
.page-products .pf-index {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pf-card-gap);
}

.page-products .pf-index__item {
  min-width: 0;
}

.page-products .pf-index__link {
  position: relative;
  display: block;
  height: 100%;
  padding: 15px 14px 16px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: inherit;
  text-decoration: none;
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products .pf-index__link:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-1);
}

.page-products .pf-index__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .pf-index__icon {
  display: block;
  width: 22px;
  height: 22px;
  color: var(--rust);
}

.page-products .pf-index__no {
  position: absolute;
  top: 13px;
  right: 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grass);
}

.page-products .pf-index__name {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.01em;
}

.page-products .pf-index__desc {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--saddle);
}

/* ---------- 编号章节骨架 ---------- */
.page-products .pf-sec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 36px 0;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}

.page-products .pf-sec__route {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .pf-sec__no {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--rust);
}

.page-products .pf-sec__tick {
  flex: 1 1 auto;
  height: 1px;
  background: var(--line-strong);
}

.page-products .pf-sec__body {
  min-width: 0;
}

.page-products .pf-h2 {
  font-size: clamp(21px, 4.6vw, 31px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -.028em;
  color: var(--ink);
  margin: 0 0 14px;
  max-width: 24ch;
}

.page-products .pf-sec__body .prose {
  font-size: 15px;
  line-height: 1.66;
  color: var(--saddle);
  max-width: 66ch;
  margin: 0 0 14px;
}

.page-products .pf-sec__body .prose:last-child {
  margin-bottom: 0;
}

/* ---------- 非对称错落栅格 ---------- */
.page-products .pf-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
  margin-bottom: 20px;
}

/* ---------- 大数字 ---------- */
.page-products .pf-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-products .pf-figure {
  background: var(--paper);
  padding: 14px 10px 13px;
  min-width: 0;
}

.page-products .pf-figure .big-num {
  display: block;
  font-size: clamp(24px, 6vw, 34px);
  line-height: 1;
  color: var(--saddle);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 6px;
}

.page-products .pf-figure__label {
  display: block;
  margin-top: 7px;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--grass);
}

/* ---------- 图片 ---------- */
.page-products .media {
  margin: 0 0 20px;
}

.page-products .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media__caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--grass);
  letter-spacing: .02em;
}

/* ---------- 表格 ---------- */
.page-products .pf-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 18px;
}

.page-products .pf-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  font-size: 13.5px;
}

.page-products .pf-table caption {
  text-align: left;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--grass);
  padding: 0 0 8px;
}

.page-products .pf-table th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--saddle);
  background: var(--concrete);
  padding: 9px 12px;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-products .pf-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--saddle);
  line-height: 1.5;
  vertical-align: top;
}

.page-products .pf-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pf-table tbody tr:nth-child(even) {
  background: rgba(201, 196, 186, .2);
}

.page-products .pf-table tbody tr {
  transition: background .18s var(--ease), box-shadow .18s var(--ease);
}

.page-products .pf-table tbody tr:hover {
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-products .pf-fmt {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--saddle-deep);
  background: var(--amber);
  padding: 2px 7px;
}

/* ---------- 会员记录清单 ---------- */
.page-products .pf-records {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-records__item {
  position: relative;
  padding: 10px 0 10px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.55;
  color: var(--saddle);
}

.page-products .pf-records__item strong {
  color: var(--ink);
  font-weight: 700;
}

.page-products .pf-records__dot {
  position: absolute;
  left: 2px;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 排序控件（展示态） ---------- */
.page-products .pf-sort {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 14px;
}

.page-products .pf-sort__label {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--grass);
  margin-right: 2px;
}

.page-products .pf-sort__opt {
  font-size: 12px;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--saddle);
  transition: border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}

.page-products .pf-sort__opt:hover {
  border-color: var(--cyan);
}

.page-products .pf-sort__opt--on {
  background: var(--saddle);
  border-color: var(--saddle);
  color: var(--cream);
}

/* ---------- 要点清单 ---------- */
.page-products .pf-points {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pf-points__item {
  padding: 9px 0 9px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.58;
  color: var(--saddle);
  position: relative;
}

.page-products .pf-points__item strong {
  color: var(--ink);
  font-weight: 700;
}

.page-products .pf-points__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 1px;
  background: var(--rust);
}

/* ---------- 轮次时间轴 ---------- */
.page-products .pf-rounds {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 5px;
}

.page-products .pf-round {
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: 9px 1px 8px;
  text-align: center;
  transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}

.page-products .pf-round:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pf-round__no {
  display: block;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  color: var(--saddle);
}

.page-products .pf-round__tag {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  letter-spacing: .02em;
  color: var(--grass);
}

.page-products .pf-round--now {
  background: var(--amber);
  border-color: var(--amber);
}

.page-products .pf-round--now .pf-round__no,
.page-products .pf-round--now .pf-round__tag {
  color: var(--saddle-deep);
}

/* ---------- 四步路线 ---------- */
.page-products .pf-steps {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-products .pf-step {
  border: 1px solid var(--line-strong);
  background: var(--paper);
  min-width: 0;
}

.page-products .pf-step a {
  display: block;
  height: 100%;
  padding: 16px 14px 17px;
  text-decoration: none;
  color: inherit;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pf-step a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-products .pf-step a:hover .pf-step__no {
  color: var(--amber);
}

.page-products .pf-step a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .pf-step__no {
  display: block;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--rust);
  transition: color .18s var(--ease);
}

.page-products .pf-step__name {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pf-step__desc {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--saddle);
}

/* ---------- 底部操作 ---------- */
.page-products .pf-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pf-links .btn {
  text-decoration: none;
}

/* ---------- 中屏 ---------- */
@media (min-width: 620px) {
  .page-products {
    --pf-rail: 84px;
  }

  .page-products .pf-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pf-rounds {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 4px;
  }

  .page-products .pf-round__no {
    font-size: 13px;
  }

  .page-products .pf-round__tag {
    font-size: 9.5px;
  }

  .page-products .pf-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-products .pf-hero {
    padding-top: 30px;
  }

  .page-products .pf-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .pf-sec {
    grid-template-columns: var(--pf-rail) minmax(0, 1fr);
    gap: 30px;
    padding: 52px 0;
  }

  .page-products .pf-sec__route {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 4px;
  }

  .page-products .pf-sec__no {
    font-size: 38px;
  }

  .page-products .pf-sec__tick {
    flex: 0 0 auto;
    width: 1px;
    height: 70px;
  }

  .page-products .pf-split {
    grid-template-columns: 7fr 5fr;
    gap: 30px;
    margin-bottom: 26px;
  }

  .page-products .pf-split--flip {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .pf-h2 {
    margin-bottom: 18px;
  }
}

@media (min-width: 1080px) {
  .page-products .pf-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

已按标记顺序输出 `main_html` 与 `page_css`，未输出任何额外说明文字。