.page-products {
  display: block;
  padding-bottom: clamp(72px, 11vw, 148px);
  background-image:
    radial-gradient(1080px 560px at 92% -8%, rgba(108, 59, 244, 0.20), transparent 62%),
    radial-gradient(720px 420px at 2% 6%, rgba(46, 124, 246, 0.10), transparent 66%);
  background-repeat: no-repeat;
}

/* ---------- 首屏 ---------- */
.page-products .catalog-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .catalog-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: min(240px, 34%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.page-products .catalog-hero__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .catalog-hero h1 {
  margin: 18px 0 0;
  max-width: 17em;
  font-size: clamp(32px, 5.4vw, 76px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-products .catalog-hero__lead {
  margin: 24px 0 0;
  max-width: 48ch;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--mute);
}

.page-products .catalog-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-products .catalog-hero__meta {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute);
  opacity: 0.86;
}

/* ---------- 双栏骨架 ---------- */
.page-products .catalog-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(40px, 6vw, 84px);
}

/* 左侧序号锚点 */
.page-products .rail-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-products .rail-list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13px;
  color: var(--mute);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-products .rail-link:hover,
.page-products .rail-link:focus-visible {
  color: var(--paper);
  border-color: var(--line-cyan);
}

.page-products .rail-idx {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

/* ---------- 章节 ---------- */
.page-products .catalog-section {
  padding-top: clamp(34px, 5vw, 64px);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-products .catalog-section + .catalog-section {
  border-top: 1px solid var(--line-soft);
}

.page-products .catalog-lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.88;
  color: var(--mute);
}

.page-products .section-head {
  margin-bottom: 6px;
}

/* ---------- 索引总表 ---------- */
.page-products .board-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .board-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .board-item--pinned {
  background: linear-gradient(100deg, rgba(53, 240, 208, 0.10), rgba(21, 14, 43, 0) 68%);
}

.page-products .board-link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    "idx desc"
    "idx tag";
  column-gap: 14px;
  row-gap: 8px;
  padding: 18px 12px;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.page-products .board-link:hover,
.page-products .board-link:focus-visible {
  background: rgba(53, 240, 208, 0.05);
}

.page-products .board-idx {
  grid-area: idx;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--blue);
  padding-top: 3px;
}

.page-products .board-name {
  grid-area: name;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .board-desc {
  grid-area: desc;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mute);
}

.page-products .board-link .kind {
  grid-area: tag;
  justify-self: start;
}

.page-products .board-item--pinned .board-idx {
  color: var(--cyan);
}

.page-products .board-item--pinned .board-name {
  font-size: 23px;
}

/* 类型胶囊 */
.page-products .kind {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--line-cyan);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-products .kind--doc {
  border-color: rgba(46, 124, 246, 0.44);
  color: #8FB8FF;
}

.page-products .kind--export {
  border-color: rgba(169, 139, 255, 0.46);
  color: #B39DFF;
}

/* ---------- 三种浏览方式 ---------- */
.page-products .view-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .view-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 16px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(108, 59, 244, 0.55);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-products .view-link:hover,
.page-products .view-link:focus-visible {
  border-color: var(--line-cyan);
  border-left-color: var(--cyan);
  background: rgba(53, 240, 208, 0.045);
}

.page-products .view-no {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet);
  filter: brightness(1.5);
}

.page-products .view-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .view-desc {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mute);
}

/* ---------- 图文分栏 ---------- */
.page-products .split {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: 26px;
}

.page-products .split__body .catalog-lead {
  margin-top: 0;
}

/* ---------- 条目清单 ---------- */
.page-products .entry-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .entry {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    "idx desc";
  column-gap: 14px;
  row-gap: 5px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .entry-idx {
  grid-area: idx;
  padding-top: 4px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-products .entry-name {
  grid-area: name;
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-products .entry-desc {
  grid-area: desc;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 导出通道 ---------- */
.page-products .export-panel {
  position: relative;
  margin-top: 26px;
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid rgba(255, 138, 61, 0.34);
  border-radius: var(--radius);
  background:
    radial-gradient(760px 340px at 90% 0%, rgba(255, 138, 61, 0.16), transparent 68%),
    linear-gradient(158deg, #150E2B 0%, #0A0713 100%);
  overflow: hidden;
}

.page-products .export-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), rgba(255, 138, 61, 0.05));
}

.page-products .export-panel__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .export-panel__lead {
  margin: 14px 0 0;
  max-width: 50ch;
  font-size: 16px;
  line-height: 1.88;
  color: var(--mute);
}

.page-products .export-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: 30px;
}

.page-products .export-visual {
  margin: 0;
}

.page-products .export-panel .timeline-item h3 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .export-panel .timeline-item p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mute);
}

.page-products .export-panel .timeline-index {
  color: var(--amber);
}

.page-products .export-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  margin-top: clamp(26px, 4vw, 38px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid rgba(255, 138, 61, 0.22);
}

.page-products .export-panel .btn--amber {
  box-shadow: 0 0 0 rgba(255, 138, 61, 0);
  transition: box-shadow 0.24s ease;
}

.page-products .export-panel .btn--amber:hover,
.page-products .export-panel .btn--amber:focus-visible {
  box-shadow: 0 0 8px rgba(255, 138, 61, 0.7);
}

.page-products .export-note {
  flex: 1 1 240px;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}

.page-products .export-note a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.44);
}

.page-products .export-note a:hover,
.page-products .export-note a:focus-visible {
  border-bottom-color: var(--amber);
}

.page-products .export-flow {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

/* ---------- 维护区块 ---------- */
.page-products .catalog-section .link-list {
  margin-top: 26px;
}

.page-products .catalog-section .note {
  margin-top: 24px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 600px) {
  .page-products .board-link {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    grid-template-areas:
      "idx name tag"
      "idx desc desc";
    row-gap: 6px;
    padding: 20px 14px;
  }

  .page-products .board-link .kind {
    align-self: center;
    justify-self: end;
  }

  .page-products .entry {
    grid-template-columns: 52px minmax(0, 1fr);
    column-gap: 18px;
  }

  .page-products .view-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .view-link {
    height: 100%;
    align-content: start;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-products .catalog-shell {
    grid-template-columns: minmax(160px, 196px) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: start;
  }

  .page-products .catalog-rail {
    position: sticky;
    top: calc(var(--header-h) + 36px);
  }

  .page-products .rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-products .rail-link {
    border: 0;
    border-left: 2px solid var(--line-soft);
    border-radius: 0;
    padding: 9px 0 9px 14px;
    white-space: normal;
    justify-content: flex-start;
  }

  .page-products .rail-link[aria-current="true"] {
    color: var(--paper);
    border-left-color: var(--violet);
    background: linear-gradient(90deg, rgba(108, 59, 244, 0.20), transparent 78%);
  }

  .page-products .rail-link[aria-current="true"] .rail-idx {
    color: var(--cyan);
  }

  .page-products .split {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .split--mirror {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.42fr);
  }

  .page-products .split--mirror .split__media {
    order: 2;
  }

  .page-products .split--mirror .split__body {
    order: 1;
  }

  .page-products .export-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.76fr);
    align-items: start;
  }

  .page-products .export-panel .timeline-item {
    padding-left: 8px;
  }
}

@media (min-width: 1200px) {
  .page-products .catalog-hero__lead {
    font-size: 17px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .rail-link,
  .page-products .board-link,
  .page-products .view-link,
  .page-products .export-panel .btn--amber {
    transition: none;
  }
}