.page-products {
  --pp-gap: clamp(14px, 3vw, 28px);
  --pp-line: 1px solid var(--mist);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px var(--gutter) 0;
  font-size: 14px;
  color: var(--gray);
}

/* ---------- 资料货架横带 ---------- */
.page-products .shelf {
  position: relative;
  margin-top: 14px;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  border-top: 5px solid var(--red);
  border-bottom: 5px solid var(--red);
}

.page-products .shelf__bg {
  position: absolute;
  inset: 0;
  opacity: .32;
}

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

.page-products .shelf::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, rgba(20, 22, 26, .95) 0%, rgba(20, 22, 26, .78) 55%, rgba(122, 12, 30, .55) 100%);
  pointer-events: none;
}

.page-products .shelf__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(28px, 6vw, 62px) clamp(30px, 6vw, 54px);
}

.page-products .shelf__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--lime);
}

.page-products .shelf__eyebrow .num {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 7px;
  color: var(--ink);
  background: var(--lime);
}

.page-products .shelf h1 {
  margin: 0 0 16px;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.01em;
}

.page-products .shelf__lede {
  margin: 0 0 clamp(22px, 4vw, 34px);
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: rgba(244, 241, 234, .82);
}

.page-products .shelf__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .shelf-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px 16px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(244, 241, 234, .07);
  border: 1px solid rgba(244, 241, 234, .24);
  border-top: 4px solid var(--red);
  transition: transform .16s var(--ease), background-color .16s var(--ease), border-top-color .16s var(--ease);
}

.page-products .shelf-card:hover,
.page-products .shelf-card:focus-visible {
  transform: translateY(-4px);
  background: rgba(244, 241, 234, .14);
  border-top-color: var(--lime);
}

.page-products .shelf-card__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-products .shelf-card__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  line-height: 1.15;
}

.page-products .shelf-card__desc {
  flex: 1;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 241, 234, .74);
}

.page-products .shelf-card__go {
  align-self: flex-start;
  margin-top: 8px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 2px solid var(--red);
}

/* ---------- 双栏：目录 + 正文 ---------- */
.page-products .docs-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-block: clamp(32px, 5vw, 54px) clamp(44px, 7vw, 84px);
}

.page-products .toc {
  border-top: 3px solid var(--red);
  padding-top: 14px;
}

.page-products .toc__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-products .toc__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .toc__list li {
  flex: 0 0 auto;
}

.page-products .toc__list a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  background: #fff;
  border: 1px solid var(--mist);
  border-left: 3px solid var(--red);
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

.page-products .toc__list a:hover,
.page-products .toc__list a:focus-visible {
  color: var(--red);
  background: rgba(200, 16, 46, .07);
}

.page-products .toc__entry {
  display: inline-block;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--paper);
  text-decoration: none;
  background: var(--ink);
  border-bottom: 3px solid var(--lime);
}

.page-products .toc__entry:hover,
.page-products .toc__entry:focus-visible {
  background: var(--red);
}

/* ---------- 章节通用 ---------- */
.page-products .doc-section {
  margin-bottom: clamp(46px, 7vw, 78px);
  scroll-margin-top: 96px;
}

.page-products .doc-section:last-child {
  margin-bottom: 0;
}

.page-products .doc-section .section-head {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.page-products .doc-section .eyebrow {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--red);
}

.page-products .doc-section h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.1;
}

.page-products .lede {
  margin: 0 0 22px;
  max-width: 68ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
}

.page-products .doc-section a:not(.btn) {
  color: var(--link);
}

/* ---------- 分类标签 ---------- */
.page-products .cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .cats li {
  padding: 5px 12px;
  font-size: 13px;
  color: var(--gray);
  background: #fff;
  border: 1px solid var(--mist);
  border-bottom: 2px solid var(--red);
}

/* ---------- 12 项统计项 ---------- */
.page-products .metric-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .metric {
  background: #fff;
  border: var(--pp-line);
}

.page-products .metric[open] {
  border-left: 5px solid var(--red);
  box-shadow: 4px 4px 0 rgba(20, 22, 26, .1);
}

.page-products .metric summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
}

.page-products .metric summary::-webkit-details-marker {
  display: none;
}

.page-products .metric summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--red);
}

.page-products .metric[open] summary::after {
  content: "–";
}

.page-products .metric summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-products .metric__no {
  flex: 0 0 auto;
  padding: 2px 7px;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--red);
  background: var(--paper);
  border: 1px solid var(--mist);
}

.page-products .metric__name {
  font-size: 16px;
  font-weight: 500;
}

.page-products .metric__body {
  padding: 0 14px 14px 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .metric__body p {
  margin: 0 0 8px;
}

.page-products .metric__body p:last-child {
  margin-bottom: 0;
}

.page-products .metric__body strong {
  color: var(--ink);
  font-weight: 600;
}

.page-products .note-strip {
  margin-top: 20px;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  background: #fff;
  border-left: 4px solid var(--blue);
  box-shadow: 4px 4px 0 rgba(20, 22, 26, .09);
}

.page-products .note-strip p {
  margin: 0;
}

.page-products .rule-figure {
  max-width: 340px;
  margin: clamp(24px, 4vw, 36px) auto 0;
}

.page-products .rule-figure img,
.page-products .compare-figure img,
.page-products .help-figure img,
.page-products .log-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 版本对照 ---------- */
.page-products .compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  margin: 0 0 22px;
  background: #fff;
  border: var(--pp-line);
}

.page-products .compare__head {
  padding: 10px 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  background: var(--mist);
  color: var(--ink);
}

.page-products .compare__head--new {
  background: var(--ink);
  color: var(--lime);
}

.page-products .compare__cell {
  padding: 12px;
  font-size: 14px;
  line-height: 1.65;
  border-top: 1px solid var(--mist);
  border-left: 1px solid var(--mist);
  overflow-wrap: break-word;
}

.page-products .compare__cell:nth-child(odd) {
  border-left: 0;
}

.page-products .compare__cell.is-diff {
  font-weight: 500;
  background: #FCFFEF;
  box-shadow: inset 0 0 0 2px var(--lime);
}

.page-products .compare-figure {
  margin: 0 0 20px;
}

/* ---------- 帮助文档 ---------- */
.page-products .help-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 28px);
  margin: 0 0 24px;
}

.page-products .help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.page-products .help-card {
  padding: 16px 16px 18px;
  background: #fff;
  border: var(--pp-line);
  border-top: 4px solid var(--red);
}

.page-products .help-card__no {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--red);
}

.page-products .help-card__title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-products .help-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 入口变更记录 ---------- */
.page-products .log-figure {
  margin: 0 0 22px;
}

.page-products .log {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: logitem;
}

.page-products .log__item {
  padding: 16px 18px;
  background: #fff;
  border: var(--pp-line);
  border-left: 5px solid var(--red);
}

.page-products .log__item::before {
  counter-increment: logitem;
  content: counter(logitem, decimal-leading-zero);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gray);
}

.page-products .log__time {
  margin: 0 0 4px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--red);
}

.page-products .log__title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
}

.page-products .log__meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  margin: 0;
  font-size: 14px;
}

.page-products .log__meta dt {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--gray);
  padding-top: 3px;
}

.page-products .log__meta dd {
  margin: 0;
  line-height: 1.65;
}

/* ---------- 三种找法 ---------- */
.page-products .find-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .find-card {
  padding: 20px 18px 22px;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 5px solid var(--lime);
}

.page-products .find-card__no {
  margin: 0;
  font-family: var(--font-num);
  font-size: 30px;
  line-height: 1;
  color: var(--lime);
}

.page-products .find-card__title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
}

.page-products .find-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 234, .76);
}

/* ---------- 使用组合 ---------- */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .scene {
  padding: 18px;
  background: #fff;
  border: var(--pp-line);
  border-left: 5px solid var(--blue);
}

.page-products .scene__who {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-products .scene ol {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--gray);
}

.page-products .scene li {
  margin-bottom: 4px;
}

/* ---------- 收尾联系带 ---------- */
.page-products .help-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(28px, 5vw, 42px);
  padding: 20px 22px;
  color: var(--paper);
  background: var(--red);
  border-left: 6px solid var(--ink);
}

.page-products .help-strip p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .shelf__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .find-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .help-split {
    grid-template-columns: .82fr 1.18fr;
    align-items: start;
  }

  .page-products .metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .docs-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 62px);
  }

  .page-products .toc {
    position: sticky;
    top: 92px;
    align-self: start;
    border-top: 0;
    border-left: 4px solid var(--red);
    padding: 0 0 0 14px;
  }

  .page-products .toc__list {
    flex-wrap: wrap;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .toc__list li {
    flex: 0 0 auto;
    width: 100%;
  }

  .page-products .toc__list a {
    padding: 8px 10px;
    background: transparent;
    border: 0;
    border-left: 3px solid transparent;
    white-space: normal;
  }

  .page-products .toc__list a:hover,
  .page-products .toc__list a:focus-visible {
    border-left-color: var(--red);
    background: rgba(200, 16, 46, .07);
  }

  .page-products .toc__entry {
    margin-top: 4px;
  }

  .page-products .shelf__cards {
    grid-template-columns: 1.12fr .92fr 1.06fr .9fr;
  }
}

@media (min-width: 1200px) {
  .page-products .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>
</main>