.page-products {
  --pf-paper: #FCFAF3;
  --pf-edge: 3px solid var(--ink);
  --pf-shadow: 10px 10px 0 var(--stone);
  background: var(--mist);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.85;
  overflow-x: hidden;
  padding-bottom: 40px;
}

/* 首屏 */
.page-products .pf-hero {
  position: relative;
  padding: 18px 0 44px;
  border-bottom: var(--pf-edge);
  background: linear-gradient(172deg, var(--grass-soft) 0%, var(--mist) 68%);
  overflow: hidden;
}
.page-products .pf-hero::after {
  content: "";
  position: absolute;
  top: -24%;
  right: -18%;
  width: 58%;
  height: 150%;
  background: var(--grass);
  opacity: .12;
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-products .pf-hero > .kit-wrap {
  position: relative;
  z-index: 1;
}
.page-products .pf-hero .kit-index {
  margin: 16px 0 0;
  color: var(--grass);
}
.page-products .pf-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.6vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-products .pf-hero__lead {
  max-width: 48ch;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.85;
}
.page-products .pf-meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.page-products .pf-meta__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 10px;
  border-left: 4px solid var(--gold);
  font-family: var(--font-round);
  font-size: 15px;
  color: var(--ink);
}
.page-products .pf-meta__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--grass);
  line-height: 1;
}
.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 章节骨架 */
.page-products .pf-block {
  padding: clamp(32px, 5vw, 60px) 0;
  border-bottom: 1px solid var(--stone);
}
.page-products .pf-block--last {
  border-bottom: 0;
}
.page-products .pf-chapter {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 14px;
  align-items: start;
  margin-bottom: 14px;
}
.page-products .pf-chapter__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 9vw, 64px);
  line-height: .82;
  color: var(--grass);
  letter-spacing: .02em;
}
.page-products .pf-chapter__title {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.2;
  color: var(--ink);
}
.page-products .pf-lead {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: 17px;
  line-height: 1.85;
}
.page-products .pf-sub {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--ink);
}
.page-products .pf-text {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
}
.page-products .pf-split {
  display: grid;
  gap: 26px;
}

/* 入口对照 */
.page-products .pf-cmp {
  border: var(--pf-edge);
  background: var(--pf-paper);
  box-shadow: var(--pf-shadow);
}
.page-products .pf-view {
  display: inline-block;
  margin: 14px 8px 0 0;
  padding: 5px 12px;
  border: 2px solid var(--ink);
  background: var(--grass-soft);
  color: var(--ink);
  font-family: var(--font-round);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: .04em;
  text-decoration: none;
}
.page-products .pf-cmp > .pf-view:first-of-type {
  margin-left: 14px;
}
.page-products .pf-view:hover,
.page-products .pf-view:focus-visible {
  background: var(--gold);
}
.page-products .pf-view:target {
  background: var(--gold);
}
.page-products .pf-cmp__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: var(--pf-edge);
}
.page-products .pf-cmp__head {
  display: none;
}
.page-products .pf-cmp__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--stone);
  font-family: var(--font-round);
  font-size: 15px;
  line-height: 1.55;
}
.page-products .pf-cmp__row:nth-child(even) {
  background: var(--grass-soft);
}
.page-products .pf-cmp__name {
  grid-column: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.page-products .pf-cmp__diff {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: center;
  padding: 0 6px;
  border: 2px solid var(--ink);
  background: var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}
.page-products .pf-cmp__old {
  grid-column: 1;
  font-size: 14px;
  color: var(--saddle);
}
.page-products .pf-cmp__new {
  grid-column: 1;
  font-size: 14px;
  color: var(--ink);
}
.page-products .pf-cmp__old::before {
  content: "旧版 ";
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--saddle);
}
.page-products .pf-cmp__new::before {
  content: "新版 ";
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--grass);
}
.page-products .pf-cmp__arrow {
  display: none;
}
.page-products .pf-cmp #cmp-new:target ~ .pf-cmp__list .pf-cmp__old {
  display: none;
}

/* 图片 */
.page-products .pf-fig {
  margin: 24px 0 0;
}
.page-products .pf-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--pf-edge);
  background: var(--stone);
  object-fit: cover;
}
.page-products .pf-fig__cap {
  margin: 8px 0 0;
  font-family: var(--font-round);
  font-size: 13px;
  line-height: 1.7;
  color: var(--saddle);
}
.page-products .pf-cmp-fig {
  margin-top: 4px;
}

/* 步骤条 */
.page-products .pf-steps {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.page-products .pf-steps__item a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  height: 100%;
  padding: 10px;
  border: var(--pf-edge);
  background: var(--pf-paper);
  color: var(--ink);
  text-decoration: none;
}
.page-products .pf-steps__item a:hover,
.page-products .pf-steps__item a:focus-visible {
  background: var(--gold-soft);
}
.page-products .pf-steps__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--grass);
}
.page-products .pf-steps__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}
.page-products .pf-steps__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--saddle);
}
.page-products .pf-steps__item:last-child {
  grid-column: span 2;
}

/* 步骤展开 */
.page-products .pf-step {
  border: var(--pf-edge);
  background: var(--pf-paper);
  margin-bottom: 10px;
}
.page-products .pf-step[open] {
  box-shadow: 6px 6px 0 var(--stone);
}
.page-products .pf-step summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-round);
}
.page-products .pf-step summary::-webkit-details-marker {
  display: none;
}
.page-products .pf-step summary::after {
  content: "+";
  margin-left: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--grass);
}
.page-products .pf-step[open] summary::after {
  content: "−";
}
.page-products .pf-step[open] summary {
  background: var(--grass-soft);
  border-bottom: var(--pf-edge);
}
.page-products .pf-step[open] summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--gold);
}
.page-products .pf-step__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--grass);
}
.page-products .pf-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.page-products .pf-step__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--saddle);
}
.page-products .pf-step__body {
  padding: 14px;
  font-size: 16px;
  line-height: 1.8;
}
.page-products .pf-step__body p {
  margin: 0 0 8px;
}
.page-products .pf-step__body p:last-child {
  margin-bottom: 0;
}
.page-products .pf-step__body strong {
  font-family: var(--font-round);
  color: var(--grass);
}
.page-products .pf-step-fig {
  margin-top: 26px;
}

/* 资质公示 */
.page-products .pf-fields {
  margin: 0;
  display: grid;
  gap: 0;
}
.page-products .pf-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--stone);
}
.page-products .pf-field dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--saddle);
}
.page-products .pf-field dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
}
.page-products .pf-cred {
  margin-top: 26px;
}
.page-products .pf-cred__card {
  padding: 16px;
  border: 3px solid var(--saddle);
  background: var(--pf-paper);
  box-shadow: var(--pf-shadow);
}
.page-products .pf-cred__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 2px solid var(--saddle);
}
.page-products .pf-cred__no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
}
.page-products .pf-cred__row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--stone);
  font-family: var(--font-round);
  font-size: 14px;
  line-height: 1.6;
}
.page-products .pf-cred__row span:first-child {
  color: var(--saddle);
  flex: 0 0 auto;
}
.page-products .pf-cred__row span:last-child {
  font-family: var(--font-mono);
  text-align: right;
  color: var(--ink);
}
.page-products .pf-cred__note {
  margin: 12px 0 0;
  font-family: var(--font-round);
  font-size: 13px;
  line-height: 1.7;
  color: var(--saddle);
}

/* 五类服务 */
.page-products .pf-svc {
  display: grid;
  gap: 10px;
}
.page-products .pf-svc__item {
  border: var(--pf-edge);
  background: var(--pf-paper);
}
.page-products .pf-svc__item[open] {
  box-shadow: 6px 6px 0 var(--grass-soft);
}
.page-products .pf-svc summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}
.page-products .pf-svc summary::-webkit-details-marker {
  display: none;
}
.page-products .pf-svc summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--grass);
}
.page-products .pf-svc__item[open] summary::after {
  content: "−";
}
.page-products .pf-svc__item[open] summary {
  background: var(--grass-soft);
  border-bottom: var(--pf-edge);
}
.page-products .pf-svc__item[open] summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--gold);
}
.page-products .pf-svc__tag {
  padding: 1px 6px;
  background: var(--grass);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}
.page-products .pf-svc__body {
  padding: 12px 14px 14px;
  font-size: 16px;
  line-height: 1.8;
}
.page-products .pf-svc__body p {
  margin: 0 0 6px;
}
.page-products .pf-svc__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--saddle);
}
.page-products .pf-sched {
  margin: 4px 0 0;
  padding: 14px 16px;
  border-left: 6px solid var(--gold);
  background: var(--grass-soft);
  font-family: var(--font-round);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}
.page-products .pf-sched-fig {
  margin-top: 24px;
}

/* 帮长辈下单 */
.page-products .pf-elder {
  padding: 18px 16px;
  border: var(--pf-edge);
  background: var(--gold-soft);
  box-shadow: var(--pf-shadow);
}
.page-products .pf-elder__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: elder;
}
.page-products .pf-elder__list li {
  position: relative;
  padding-left: 40px;
  font-family: var(--font-round);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}
.page-products .pf-elder__list li::before {
  counter-increment: elder;
  content: counter(elder);
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}
.page-products .pf-elder__quote {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 6px solid var(--saddle);
  background: var(--pf-paper);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

/* 下一步 */
.page-products .pf-next {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .pf-next__item a {
  display: block;
  height: 100%;
  padding: 14px;
  border: var(--pf-edge);
  background: var(--pf-paper);
  color: var(--ink);
  text-decoration: none;
}
.page-products .pf-next__item a:hover,
.page-products .pf-next__item a:focus-visible {
  background: var(--grass-soft);
}
.page-products .pf-next__label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
}
.page-products .pf-next__desc {
  display: block;
  font-family: var(--font-round);
  font-size: 14px;
  line-height: 1.65;
  color: var(--saddle);
}

/* 帮长辈下单浮层 */
.page-products .pf-helper {
  margin: 24px 0 0;
  border: var(--pf-edge);
  background: var(--gold-soft);
}
.page-products .pf-helper summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}
.page-products .pf-helper summary::-webkit-details-marker {
  display: none;
}
.page-products .pf-helper summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--saddle);
}
.page-products .pf-helper[open] summary::after {
  content: "−";
}
.page-products .pf-helper__body {
  padding: 0 14px 12px;
  border-top: 2px solid var(--saddle);
  font-family: var(--font-round);
  font-size: 14px;
  line-height: 1.7;
}
.page-products .pf-helper__body p {
  margin: 10px 0 6px;
}

/* 断点 */
@media (min-width: 640px) {
  .page-products .pf-meta {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .pf-field {
    grid-template-columns: 132px 1fr;
    gap: 14px;
    align-items: baseline;
  }
  .page-products .pf-next {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .pf-helper {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 40;
    width: 268px;
    margin: 0;
    box-shadow: var(--pf-shadow);
  }
  .page-products .pf-helper summary {
    font-size: 14px;
  }
}

@media (min-width: 800px) {
  .page-products .pf-steps {
    grid-template-columns: repeat(5, 1fr);
  }
  .page-products .pf-steps__item:last-child {
    grid-column: auto;
  }
}

@media (min-width: 900px) {
  .page-products .pf-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }
  .page-products .pf-cmp__list {
    margin-top: 14px;
  }
  .page-products .pf-cmp__head {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) 26px minmax(0, 1fr) 64px;
    gap: 10px;
    padding: 10px 14px;
    background: var(--ink);
    color: var(--mist);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .14em;
  }
  .page-products .pf-cmp__row {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) 26px minmax(0, 1fr) 64px;
    gap: 10px;
    align-items: center;
    font-size: 15px;
  }
  .page-products .pf-cmp__name {
    grid-column: 1;
    grid-row: 1;
  }
  .page-products .pf-cmp__old {
    grid-column: 2;
    grid-row: 1;
  }
  .page-products .pf-cmp__arrow {
    display: block;
    grid-column: 3;
    grid-row: 1;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--saddle);
  }
  .page-products .pf-cmp__new {
    grid-column: 4;
    grid-row: 1;
  }
  .page-products .pf-cmp__diff {
    grid-column: 5;
    grid-row: 1;
  }
  .page-products .pf-cmp__old::before,
  .page-products .pf-cmp__new::before {
    content: none;
  }
  .page-products .pf-cmp #cmp-new:target ~ .pf-cmp__list .pf-cmp__head {
    display: none;
  }
  .page-products .pf-cmp #cmp-new:target ~ .pf-cmp__list .pf-cmp__row {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.3fr) 64px;
  }
  .page-products .pf-cmp #cmp-new:target ~ .pf-cmp__list .pf-cmp__arrow {
    display: none;
  }
  .page-products .pf-cmp #cmp-new:target ~ .pf-cmp__list .pf-cmp__new {
    grid-column: 2;
  }
  .page-products .pf-cmp #cmp-new:target ~ .pf-cmp__list .pf-cmp__diff {
    grid-column: 3;
  }
  .page-products .pf-cmp-fig {
    margin-top: 0;
  }
  .page-products .pf-cred {
    position: sticky;
    top: 92px;
    margin-top: 0;
  }
}
</｜｜DSML｜｜ parameter>
</answer>