.page-products {
  --pd-index-w: 220px;
  --pd-gap: 40px;
  padding-bottom: var(--sp-6);
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  padding-top: var(--sp-3);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  margin-top: var(--sp-2);
  padding: var(--sp-4) 0 var(--sp-5);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-products .pd-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 5px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}
.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
}
.page-products .pd-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
}
.page-products .pd-hero__sup {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--stone);
}
.page-products .pd-hero__no {
  margin: 0;
  color: var(--cyan);
  line-height: 0.86;
}
.page-products .pd-hero__sub {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}
.page-products .pd-hero__body h1 {
  margin: 0 0 var(--sp-2);
}
.page-products .pd-lede {
  max-width: 62ch;
  margin: 0;
  color: var(--stone);
}
.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

/* ---------- 主体骨架 ---------- */
.page-products .pd-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  padding-top: var(--sp-5);
}
.page-products .pd-flow {
  min-width: 0;
}

/* 索引栏 */
.page-products .pd-index__title {
  margin: 0 0 var(--sp-1);
  padding-bottom: var(--sp-1);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}
.page-products .pd-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .pd-index__list a {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--stone);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
}
.page-products .pd-index__list a:hover,
.page-products .pd-index__list a:focus-visible {
  color: var(--cyan);
}
.page-products .pd-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clay);
}

/* ---------- 章节通用 ---------- */
.page-products .pd-sec {
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.page-products .pd-sec:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-products .pd-sec + .pd-sec {
  margin-top: var(--sp-5);
}
.page-products .pd-sec h2 {
  margin: var(--sp-1) 0 var(--sp-2);
}
.page-products .pd-lead {
  max-width: 68ch;
  margin: 0 0 var(--sp-2);
  color: var(--stone);
}
.page-products .pd-lead + .pd-lead {
  margin-top: calc(var(--sp-2) * -1 + 8px);
}

/* 图片容器统一行为 */
.page-products .pd-fig {
  margin: var(--sp-3) 0 0;
}
.page-products .pd-fig .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 01 下载与进入 ---------- */
.page-products .pd-entry {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}
.page-products .pd-entry__cards {
  display: grid;
  gap: var(--sp-2);
}
.page-products .pd-entry__card {
  padding: var(--sp-3);
  border: 1px solid var(--line);
  background: rgba(30, 50, 71, 0.32);
}
.page-products .pd-entry__card--pc {
  border-left: 3px solid var(--cyan);
}
.page-products .pd-entry__card--m {
  border-left: 3px solid var(--amber);
}
.page-products .pd-entry__card h3 {
  margin: 0 0 8px;
}
.page-products .pd-entry__card p {
  margin: 0;
  color: var(--stone);
  font-size: 16px;
}
.page-products .pd-entry__meta {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.page-products .pd-entry__meta li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--stone);
}
.page-products .pd-entry__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--clay);
}

/* ---------- 02 周期档位 ---------- */
.page-products .pd-bars {
  display: grid;
  gap: 0;
  margin-top: var(--sp-3);
}
.page-products .pd-barrow {
  padding: var(--sp-2) 0;
  border-top: 1px solid var(--line);
  transition: background-color 0.18s ease;
}
.page-products .pd-barrow:last-child {
  border-bottom: 1px solid var(--line);
}
.page-products .pd-barrow:hover {
  background: rgba(30, 50, 71, 0.3);
}
.page-products .pd-barrow__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
}
.page-products .pd-barrow__days {
  margin: 0;
  color: var(--paper);
  line-height: 1;
}
.page-products .pd-barrow__unit {
  font-size: 14px;
  color: var(--stone);
}
.page-products .pd-barrow__tag {
  margin-left: auto;
}
.page-products .pd-barrow__track {
  height: 10px;
  border: 1px solid var(--line);
  background: rgba(138, 151, 166, 0.12);
}
.page-products .pd-barrow__fill {
  display: block;
  height: 100%;
}
.page-products .pd-barrow--m .pd-barrow__fill {
  width: 28%;
  background: var(--orange);
}
.page-products .pd-barrow--q .pd-barrow__fill {
  width: 62%;
  background: var(--amber);
}
.page-products .pd-barrow--y .pd-barrow__fill {
  width: 100%;
  background: var(--cyan);
}
.page-products .pd-barrow__desc {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15px;
  color: var(--stone);
}

/* ---------- 03 旧版进入 ---------- */
.page-products .pd-compare {
  margin-top: var(--sp-3);
}
.page-products .pd-compare__btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-bottom: var(--sp-3);
}
.page-products .pd-compare__cols {
  display: grid;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}
.page-products .pd-compare__col {
  position: relative;
  padding: var(--sp-3) var(--sp-3) var(--sp-4);
  border: 1px solid var(--line);
  background: var(--ink-deep);
}
.page-products .pd-compare__col--current {
  border-top: 3px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
}
.page-products .pd-compare__col--legacy {
  border-top: 3px solid var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 94%);
}
.page-products .pd-compare__flag {
  display: inline-block;
  margin-bottom: 10px;
}
.page-products .pd-compare__col h3 {
  margin: 0 0 var(--sp-1);
  color: var(--paper);
}
.page-products .pd-compare__col ul {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
}
.page-products .pd-compare__col li {
  position: relative;
  padding: 9px 0 9px 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--stone);
}
.page-products .pd-compare__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 9px;
  height: 1px;
  background: var(--clay);
}

/* ---------- 04 七项服务 ---------- */
.page-products .pd-service {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}
.page-products .pd-service__fig {
  margin: 0;
}
.page-products .pd-tree {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .pd-tree__node {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--sp-2);
  padding: var(--sp-2) 0;
  border-top: 1px solid var(--line);
}
.page-products .pd-tree__node:last-child {
  border-bottom: 1px solid var(--line);
}
.page-products .pd-tree__no {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.3;
  color: var(--clay);
}
.page-products .pd-tree__node h3 {
  margin: 0 0 6px;
}
.page-products .pd-tree__node p {
  margin: 0;
  font-size: 15px;
  color: var(--stone);
}
.page-products .pd-tree__node--key {
  padding-left: var(--sp-2);
  border-left: 3px solid var(--orange);
  background: rgba(255, 122, 60, 0.09);
}
.page-products .pd-tree__node--key .pd-tree__no {
  color: var(--orange);
}
.page-products .pd-tree__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

/* ---------- 05 导出指引 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}
.page-products .pd-steps__item {
  position: relative;
  padding: var(--sp-3);
  border: 1px solid var(--line);
  background: rgba(5, 13, 23, 0.62);
}
.page-products .pd-steps__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 44px;
  height: 3px;
  background: var(--cyan);
}
.page-products .pd-steps__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  color: rgba(53, 242, 214, 0.4);
}
.page-products .pd-steps__item h3 {
  margin: 0 0 8px;
}
.page-products .pd-steps__item p {
  margin: 0;
  font-size: 15px;
  color: var(--stone);
}
.page-products .pd-steps__item .pd-fail {
  margin-top: 12px;
  padding: 8px 0 8px 12px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  color: var(--paper);
}

/* ---------- 06 版本演进 ---------- */
.page-products .pd-era {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
}
.page-products .pd-era__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: var(--sp-2) 0;
  border-top: 1px solid var(--line);
}
.page-products .pd-era__item:last-child {
  border-bottom: 1px solid var(--line);
}
.page-products .pd-era__range {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--amber);
}
.page-products .pd-era__item p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  color: var(--stone);
}
.page-products .pd-era__item strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 07 上手判断 ---------- */
.page-products .pd-sec--last {
  padding-bottom: var(--sp-4);
}
.page-products .pd-tips {
  margin-top: var(--sp-3);
  padding: var(--sp-3);
  background: var(--paper);
  color: var(--ink-deep);
  border-left: 6px solid var(--orange);
}
.page-products .pd-tips ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
  counter-reset: pd-tip;
}
.page-products .pd-tips li {
  counter-increment: pd-tip;
  position: relative;
  padding-left: 38px;
  font-size: 16px;
  line-height: 1.7;
  color: #253242;
}
.page-products .pd-tips li::before {
  content: "0" counter(pd-tip);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--clay);
}
.page-products .pd-tips li strong {
  color: var(--ink-deep);
  font-weight: 700;
}
.page-products .pd-tips__miss {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: #7a4a34;
}
.page-products .pd-tips__foot {
  margin: var(--sp-3) 0 0;
  padding-top: var(--sp-2);
  border-top: 1px solid rgba(10, 26, 42, 0.18);
  font-size: 15px;
  color: #253242;
}
.page-products .pd-tips__foot a {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-products .pd-compare__cols {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .pd-era__item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: var(--sp-2);
    align-items: start;
  }
  .page-products .pd-steps {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
  }
  .page-products .pd-entry__cards {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: var(--pd-index-w) minmax(0, 1fr);
    gap: var(--pd-gap);
    align-items: end;
  }
  .page-products .pd-body {
    grid-template-columns: var(--pd-index-w) minmax(0, 1fr);
    gap: 0 var(--pd-gap);
    align-items: start;
  }
  .page-products .pd-index {
    position: sticky;
    top: 96px;
  }
  .page-products .pd-flow {
    padding-left: var(--pd-gap);
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 1024px) {
  .page-products .pd-entry {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .pd-entry__cards {
    grid-template-columns: 1fr;
  }
  .page-products .pd-service {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
  }
  .page-products .pd-service__fig {
    margin: 0;
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1180px) {
  .page-products .pd-barrow__days {
    margin-left: -94px;
  }
}