.page-products {
  --dl-shift: 16px;
  --dl-gap: 24px;
}

.page-products .dl-hero {
  padding-top: 36px;
  padding-bottom: 56px;
}

.page-products .dl-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-products .dl-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dl-gap);
}

.page-products .dl-hero__main h1 {
  font-size: 40px;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  color: var(--paper-050);
}

.page-products .dl-hero__main .lede {
  margin-top: 20px;
  color: var(--gray-200);
  max-width: 34em;
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .dl-hero__aside {
  padding: 24px 22px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .dl-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
}

.page-products .dl-hero__num {
  font-size: 32px;
  line-height: 1;
  color: var(--orange-500);
  letter-spacing: 0.02em;
}

.page-products .dl-hero__num small {
  font-size: 14px;
  margin-left: 2px;
}

.page-products .dl-hero__unit {
  font-size: var(--fs-14);
  color: var(--gray-200);
}

.page-products .dl-hero__note {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--gray-200);
}

/* ---------- 通用区块头 ---------- */

.page-products .dl-sec-head {
  max-width: 42em;
  margin-bottom: 32px;
}

.page-products .dl-sec-head h2 {
  font-size: 26px;
  line-height: 1.24;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
}

.page-products .dl-sec-head__sub {
  margin: 14px 0 0;
  font-size: var(--fs-17);
  color: var(--gray-200);
}

.page-products .dl-sec-head--dark h2 {
  color: var(--ink-900);
}

.page-products .dl-sec-head--dark .dl-sec-head__sub {
  color: var(--gray-500);
}

.page-products .dl-sec-head--dark .eyebrow {
  color: var(--orange-500);
}

/* ---------- 四类资料 ---------- */

.page-products .dl-cats {
  padding-top: 56px;
  padding-bottom: 64px;
}

.page-products .dl-cats__figure {
  margin: 0 0 36px;
}

.page-products .dl-cats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .dl-cat {
  padding: 22px 20px 20px;
  border-top: 3px solid var(--orange-500);
}

.page-products .dl-cat--map {
  border-top-color: var(--orange-300);
}

.page-products .dl-cat--mob {
  border-top-color: var(--green-600);
}

.page-products .dl-cat--tbl {
  border-top-color: var(--gray-200);
}

.page-products .dl-cat__code {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin: 0;
}

.page-products .dl-cat__title {
  font-size: var(--fs-22);
  margin: 10px 0 0;
  color: var(--ink-900);
}

.page-products .dl-cat__body {
  margin: 12px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink-800);
}

.page-products .dl-cat__fit {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-ink);
  font-size: var(--fs-12);
  color: var(--gray-500);
}

.page-products .dl-cat__fit .mono {
  color: var(--orange-500);
  margin-right: 6px;
  letter-spacing: 0.08em;
}

/* ---------- 资料清单 ---------- */

.page-products .dl-listing {
  padding-top: 56px;
  padding-bottom: 64px;
}

.page-products .dl-filter {
  position: relative;
}

.page-products .dl-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .dl-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-ink);
  border-radius: 2px;
  background: var(--paper-050);
  color: var(--ink-800);
  font-size: var(--fs-14);
  cursor: pointer;
  transition: border-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-products .dl-tab:hover {
  border-color: var(--orange-500);
}

.page-products .dl-tab__no {
  font-size: var(--fs-12);
  color: var(--gray-500);
  letter-spacing: 0.08em;
}

.page-products .dl-tab em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--gray-500);
}

.page-products #dl-cat-all:checked ~ .dl-tabs label[for="dl-cat-all"],
.page-products #dl-cat-doc:checked ~ .dl-tabs label[for="dl-cat-doc"],
.page-products #dl-cat-map:checked ~ .dl-tabs label[for="dl-cat-map"],
.page-products #dl-cat-mob:checked ~ .dl-tabs label[for="dl-cat-mob"],
.page-products #dl-cat-tbl:checked ~ .dl-tabs label[for="dl-cat-tbl"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper-050);
}

.page-products #dl-cat-all:checked ~ .dl-tabs label[for="dl-cat-all"] .dl-tab__no,
.page-products #dl-cat-doc:checked ~ .dl-tabs label[for="dl-cat-doc"] .dl-tab__no,
.page-products #dl-cat-map:checked ~ .dl-tabs label[for="dl-cat-map"] .dl-tab__no,
.page-products #dl-cat-mob:checked ~ .dl-tabs label[for="dl-cat-mob"] .dl-tab__no,
.page-products #dl-cat-tbl:checked ~ .dl-tabs label[for="dl-cat-tbl"] .dl-tab__no,
.page-products #dl-cat-all:checked ~ .dl-tabs label[for="dl-cat-all"] em,
.page-products #dl-cat-doc:checked ~ .dl-tabs label[for="dl-cat-doc"] em,
.page-products #dl-cat-map:checked ~ .dl-tabs label[for="dl-cat-map"] em,
.page-products #dl-cat-mob:checked ~ .dl-tabs label[for="dl-cat-mob"] em,
.page-products #dl-cat-tbl:checked ~ .dl-tabs label[for="dl-cat-tbl"] em {
  color: var(--orange-300);
}

.page-products .dl-radio:focus-visible ~ .dl-tabs label[for="dl-cat-all"],
.page-products .dl-radio:focus-visible ~ .dl-tabs label[for="dl-cat-doc"],
.page-products .dl-radio:focus-visible ~ .dl-tabs label[for="dl-cat-map"],
.page-products .dl-radio:focus-visible ~ .dl-tabs label[for="dl-cat-mob"],
.page-products .dl-radio:focus-visible ~ .dl-tabs label[for="dl-cat-tbl"] {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

.page-products #dl-cat-doc:checked ~ .dl-table .dl-item:not([data-cat="doc"]),
.page-products #dl-cat-map:checked ~ .dl-table .dl-item:not([data-cat="map"]),
.page-products #dl-cat-mob:checked ~ .dl-table .dl-item:not([data-cat="mob"]),
.page-products #dl-cat-tbl:checked ~ .dl-table .dl-item:not([data-cat="tbl"]) {
  display: none;
}

.page-products .dl-table {
  border-top: 2px solid var(--ink-900);
  background: var(--paper-050);
}

.page-products .dl-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 16px;
  border-bottom: 1px solid var(--line-ink);
}

.page-products .dl-row--head {
  display: none;
  background: var(--paper-100);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--gray-500);
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-products .dl-table__body {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .dl-item {
  transition: background-color 120ms var(--ease);
}

.page-products .dl-item:hover {
  background: rgba(241, 227, 195, 0.55);
}

.page-products .dl-item__code {
  font-size: var(--fs-12);
  color: var(--orange-500);
  letter-spacing: 0.08em;
}

.page-products .dl-item__name {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-products .dl-item__cell {
  font-size: var(--fs-14);
  color: var(--ink-800);
}

.page-products .dl-item__cell i {
  font-style: normal;
  display: inline-block;
  min-width: 4.5em;
  font-size: var(--fs-12);
  color: var(--gray-500);
}

.page-products .dl-item__ver {
  font-size: var(--fs-14);
  color: var(--orange-500);
  letter-spacing: 0.06em;
}

.page-products .dl-item__date {
  font-size: var(--fs-12);
  color: var(--gray-500);
  letter-spacing: 0.06em;
}

.page-products .dl-listing__foot {
  margin: 24px 0 0;
  font-size: var(--fs-14);
  color: var(--gray-500);
}

.page-products .dl-listing__foot a {
  color: var(--orange-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 版本记录 ---------- */

.page-products .dl-vers {
  padding-top: 56px;
  padding-bottom: 64px;
}

.page-products .dl-vers .dl-sec-head h2 {
  color: var(--paper-050);
}

.page-products .dl-vers .copy-btn {
  margin-top: 8px;
}

.page-products .dl-vers__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .dl-vers__list {
  display: grid;
  gap: 0;
}

.page-products .dl-vers__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 12px;
}

.page-products .dl-vers__row .index-row__code {
  color: var(--orange-500);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
}

.page-products .dl-vers__row .index-row__title {
  font-size: var(--fs-14);
  line-height: 1.65;
}

.page-products .dl-vers__row .index-row__meta {
  font-size: var(--fs-12);
  color: var(--gray-500);
  letter-spacing: 0.06em;
}

.page-products .dl-vers__figure {
  margin: 0;
}

/* ---------- 小屏优化 ---------- */

.page-products .dl-mobile {
  padding-top: 56px;
  padding-bottom: 64px;
}

.page-products .dl-mobile__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .dl-mobile__copy p {
  margin: 0 0 18px;
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-products .dl-mobile__points {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-mobile__points li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-mobile__num {
  font-size: var(--fs-17);
  color: var(--orange-300);
  letter-spacing: 0.06em;
}

.page-products .dl-mobile__points span:last-child {
  font-size: var(--fs-14);
  color: var(--gray-200);
}

.page-products .dl-mobile__tip {
  font-size: var(--fs-14);
  color: var(--gray-200);
}

.page-products .dl-mobile__tip a {
  color: var(--orange-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .dl-mobile__figure {
  margin: 0;
}

/* ---------- 下载流程 ---------- */

.page-products .dl-flow {
  padding-top: 56px;
  padding-bottom: 64px;
}

.page-products .dl-flow__figure {
  margin: 0 0 24px;
}

.page-products .dl-flow__figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products .dl-flow__rail {
  display: none;
}

.page-products .dl-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink-900);
}

.page-products .dl-flow__step {
  padding: 20px 4px 22px;
  border-bottom: 1px solid var(--line-ink);
}

.page-products .dl-flow__no {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--orange-500);
  margin: 0;
}

.page-products .dl-flow__step h3 {
  font-size: var(--fs-22);
  margin: 10px 0 0;
  color: var(--ink-900);
}

.page-products .dl-flow__step p {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink-800);
}

.page-products .dl-flow__outro {
  margin: 28px 0 0;
  font-size: var(--fs-14);
  color: var(--gray-500);
}

.page-products .dl-flow__outro a {
  color: var(--orange-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 命名与留档 ---------- */

.page-products .dl-naming {
  padding-top: 56px;
  padding-bottom: 64px;
}

.page-products .dl-naming__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .dl-naming__copy h2 {
  font-size: 26px;
  line-height: 1.24;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--paper-050);
}

.page-products .dl-naming__copy p {
  margin: 16px 0 0;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--gray-200);
}

.page-products .dl-naming__copy a {
  color: var(--orange-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .dl-naming__sample {
  padding: 20px 18px;
  margin-top: 22px;
}

.page-products .dl-naming__sample-label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--gray-500);
}

.page-products .dl-naming__sample-name {
  margin: 10px 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

.page-products .dl-naming__figure {
  margin: 0;
}

/* ---------- 平板 ---------- */

@media (min-width: 640px) {
  .page-products .dl-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .dl-cats__grid > .dl-cat:nth-child(2) {
    transform: translateX(calc(-1 * var(--dl-shift)));
  }

  .page-products .dl-cats__grid > .dl-cat:nth-child(3) {
    transform: translateX(var(--dl-shift));
  }

  .page-products .dl-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 860px) {
  .page-products .dl-hero {
    padding-top: 56px;
    padding-bottom: 72px;
  }

  .page-products .dl-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .dl-hero__main h1 {
    font-size: 52px;
  }

  .page-products .dl-sec-head h2 {
    font-size: 32px;
  }

  .page-products .dl-listing__foot {
    max-width: 52em;
  }

  .page-products .dl-row--head {
    display: grid;
  }

  .page-products .dl-row {
    grid-template-columns: 76px minmax(0, 1fr) 84px 108px 118px 100px;
    gap: 16px;
    align-items: center;
    padding: 13px 16px;
  }

  .page-products .dl-item__cell i {
    display: none;
  }

  .page-products .dl-vers__layout {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
  }

  .page-products .dl-vers__row {
    grid-template-columns: 128px minmax(0, 1fr) 104px;
    gap: 20px;
    align-items: baseline;
    padding: 15px 12px;
  }

  .page-products .dl-mobile__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .dl-flow__rail {
    display: block;
    height: 120px;
    margin-bottom: -32px;
  }

  .page-products .dl-flow__svg {
    width: 100%;
    height: 120px;
    display: block;
  }

  .page-products .dl-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 28px;
    border-top: none;
  }

  .page-products .dl-flow__step {
    border-bottom: none;
    border-top: 2px solid var(--ink-900);
    padding: 20px 0 0;
  }

  .page-products .dl-naming__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .dl-hero__main h1 {
    font-size: 60px;
  }

  .page-products .dl-cats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .dl-cats__grid > .dl-cat:nth-child(2) {
    transform: translateX(calc(-1 * var(--dl-shift))) translateY(14px);
  }

  .page-products .dl-cats__grid > .dl-cat:nth-child(3) {
    transform: translateX(var(--dl-shift));
  }

  .page-products .dl-cats__grid > .dl-cat:nth-child(4) {
    transform: translateX(var(--dl-shift)) translateY(14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-item,
  .page-products .dl-tab {
    transition: none;
  }
}