/* ============================================================
   下载中心 /download/  页面专属样式
   作用域：.page-products
   ============================================================ */

.page-products {
  --side-w: 238px;
  --dl-cut: 20px;
  --dl-tint: rgba(143, 166, 178, 0.20);
}

/* ---------- 首屏 ---------- */

.page-products .dl-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-offset) + 64px) 0 60px;
  background:
    radial-gradient(120% 130% at 6% -20%, rgba(255, 107, 26, 0.20), transparent 58%),
    radial-gradient(95% 120% at 96% 4%, rgba(27, 46, 74, 0.92), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-3) 100%);
  border-bottom: 1px solid var(--line);
}

.page-products .dl-hero-rule {
  position: absolute;
  inset: auto 0 0 0;
  height: 66%;
  z-index: -1;
  pointer-events: none;
}

.page-products .dl-hero-rule svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-products .dl-hero-rule path {
  fill: none;
  stroke: var(--steel);
  stroke-width: 1;
  opacity: 0.34;
  vector-effect: non-scaling-stroke;
}

.page-products .dl-hero-rule path:last-child {
  stroke: var(--orange);
  opacity: 0.32;
}

.page-products .dl-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
  margin-top: 26px;
}

.page-products .dl-hero-main {
  min-width: 0;
}

.page-products .dl-lede {
  margin: 20px 0 0;
  max-width: 60ch;
  color: var(--steel-light);
  font-size: 16.5px;
  line-height: 1.8;
}

.page-products .dl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .dl-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--dl-tint);
  clip-path: polygon(0 0, calc(100% - var(--dl-cut)) 0, 100% var(--dl-cut), 100% 100%, 0 100%);
}

.page-products .dl-fact {
  display: grid;
  gap: 8px;
  align-content: start;
  min-width: 0;
  padding: 18px 16px 20px;
  background: var(--ink-2);
}

.page-products .dl-fact-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .dl-fact-note {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 主体区 ---------- */

.page-products .dl-body {
  padding-top: 40px;
  padding-bottom: 80px;
  background: var(--ink);
}

.page-products .dl-tocbar {
  display: flex;
  gap: 8px;
  margin: 0 0 32px;
  padding: 2px 0 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-products .dl-tocbar::-webkit-scrollbar {
  display: none;
}

.page-products .dl-toc-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 9px 13px;
  border: 1px solid var(--line-strong);
  color: var(--steel-light);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .dl-toc-chip:hover,
.page-products .dl-toc-chip:focus-visible {
  color: var(--paper);
  border-color: var(--orange);
}

.page-products .dl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

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

.page-products .dl-stream {
  display: flex;
  flex-direction: column;
  gap: 62px;
  min-width: 0;
}

/* ---------- 内容块 ---------- */

.page-products .dl-block {
  position: relative;
  min-width: 0;
  scroll-margin-top: calc(var(--header-solid-h) + 24px);
}

.page-products .dl-block-head {
  margin-bottom: 22px;
}

.page-products .dl-block-head h2 {
  margin: 10px 0 0;
}

.page-products .dl-block-sub {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-products .dl-subhead {
  margin: 34px 0 12px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .dl-prose {
  margin-top: 24px;
}

.page-products .dl-cta-row {
  margin: 22px 0 0;
}

/* 浅色阅读块 */
.page-products .dl-block--paper {
  --strong: #0B2A22;
  --muted: #52686F;
  --line: rgba(11, 42, 34, 0.16);
  --line-strong: rgba(11, 42, 34, 0.28);
  padding: 34px 22px 38px;
  color: #0B2A22;
  background: var(--paper);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-products .dl-block--paper .dl-subhead {
  color: #0B2A22;
}

.page-products .dl-block--paper .kicker {
  color: #B2460B;
}

.page-products .dl-block--paper .dl-media-caption,
.page-products .dl-block--paper .media-caption {
  color: #52686F;
}

/* ---------- 图片位 ---------- */

.page-products .dl-media {
  position: relative;
  margin: 24px 0;
  overflow: hidden;
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

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

.page-products .dl-block--paper .dl-media {
  background: #DDE4E1;
}

/* ---------- 规格卡组 ---------- */

.page-products .dl-panel--specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  background: var(--dl-tint);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-products .dl-spec {
  display: grid;
  gap: 8px;
  align-content: start;
  min-width: 0;
  padding: 18px 16px 20px;
  background: var(--ink-2);
}

.page-products .dl-spec-val {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-products .dl-spec-val.num {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

/* ---------- 图文分栏 ---------- */

.page-products .dl-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-products .dl-split .dl-media {
  margin: 0;
}

.page-products .dl-split-text {
  min-width: 0;
}

.page-products .dl-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--dl-tint);
}

.page-products .dl-points li {
  padding: 14px 16px;
  background: var(--ink-2);
  color: var(--steel-light);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-products .dl-point-k {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* ---------- 导出格式三栏 ---------- */

.page-products .dl-format-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.page-products .dl-format {
  position: relative;
  padding: 24px 20px 26px;
  background: linear-gradient(158deg, var(--ink-2), var(--ink));
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-products .dl-format-tag {
  display: inline-block;
  padding: 5px 10px;
  margin-bottom: 14px;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-products .dl-format-title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .dl-format-text {
  margin: 0 0 16px;
  color: var(--steel-light);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .dl-format-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .dl-format-fields li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
}

.page-products .dl-format-fields li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 1px;
  background: var(--steel);
}

/* ---------- 字段筛选与列表 ---------- */

.page-products .dl-fieldbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .dl-fbtn {
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--steel-light);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .dl-fbtn:hover,
.page-products .dl-fbtn:focus-visible {
  color: var(--paper);
  border-color: var(--orange);
}

.page-products .dl-fbtn[aria-pressed="true"],
.page-products .dl-fbtn.is-active {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .dl-fieldlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--dl-tint);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .dl-field-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  padding: 12px 14px;
  background: var(--ink-2);
}

.page-products .dl-field-name {
  color: var(--steel-light);
  font-size: 13.5px;
  line-height: 1.5;
}

.page-products .dl-field-type {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 版本记录 ---------- */

.page-products .dl-vlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--dl-tint);
}

.page-products .dl-vitem {
  padding: 22px 20px 24px;
  background: var(--ink-2);
}

.page-products .dl-vhead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.page-products .dl-vno {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .dl-vtag {
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-products .dl-vdesc {
  margin: 0;
  max-width: 66ch;
  color: var(--steel-light);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-products .dl-vd {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--ink-3);
}

.page-products .dl-vd-summary {
  padding: 16px 18px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  cursor: pointer;
  list-style: none;
}

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

.page-products .dl-vd-summary::before {
  content: "+ ";
  color: var(--orange);
}

.page-products .dl-vd[open] .dl-vd-summary::before {
  content: "– ";
}

.page-products .dl-vlist--inner {
  margin: 0;
}

/* ---------- 三步流程 ---------- */

.page-products .dl-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products .dl-step {
  position: relative;
  padding-top: 18px;
  border-top: 2px solid var(--orange);
}

.page-products .dl-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: #B2460B;
}

.page-products .dl-step-title {
  margin: 10px 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #0B2A22;
}

.page-products .dl-step-text {
  margin: 0;
  color: #3E565F;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-products .dl-step-note {
  margin-top: 26px;
  padding: 16px 18px;
  background: rgba(11, 42, 34, 0.06);
  border-left: 2px solid var(--orange);
}

.page-products .dl-step-note p {
  margin: 0;
  color: #3E565F;
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 表格 ---------- */

.page-products .dl-tablewrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 8px;
}

.page-products .dl-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .dl-table-caption {
  caption-side: top;
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .dl-table th,
.page-products .dl-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.65;
}

.page-products .dl-table thead th {
  background: var(--ink-2);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-bottom-color: var(--line-strong);
}

.page-products .dl-table tbody th {
  color: var(--steel);
  font-weight: 500;
  white-space: nowrap;
}

.page-products .dl-table tbody td {
  color: var(--steel-light);
}

.page-products .dl-table tbody tr:last-child th,
.page-products .dl-table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 常见问题条目 ---------- */

.page-products .dl-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--dl-tint);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .dl-notes li {
  display: grid;
  gap: 8px;
  padding: 18px 18px 20px;
  background: var(--ink-2);
}

.page-products .dl-note-q {
  color: var(--paper);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .dl-note-a {
  color: var(--steel-light);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 收尾提示 ---------- */

.page-products .dl-callout {
  margin-top: 30px;
  padding: 26px 22px 28px;
  background: linear-gradient(140deg, var(--indigo), var(--ink-2));
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-products .dl-callout-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .dl-callout-text {
  margin: 0;
  max-width: 58ch;
  color: var(--steel-light);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-products .dl-callout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 侧栏 ---------- */

.page-products .dl-side-title {
  margin: 0 0 14px;
}

.page-products .dl-navlist {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
}

.page-products .dl-navlink {
  display: block;
  margin-left: -1px;
  padding: 9px 0 9px 15px;
  border-left: 1px solid transparent;
  color: var(--steel-light);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .dl-navlink:hover,
.page-products .dl-navlink:focus-visible {
  color: var(--paper);
}

.page-products .dl-navlink[aria-current="true"] {
  color: var(--orange);
  border-left-color: var(--orange);
}

.page-products .dl-side-card {
  margin-top: 28px;
  padding: 20px 18px 22px;
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-products .dl-side-card-title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .dl-side-card-text {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .dl-fieldlist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .dl-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-products .dl-block--paper {
    padding: 42px 34px 46px;
  }
}

@media (min-width: 760px) {
  .page-products .dl-split {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 36px;
    align-items: start;
  }

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

  .page-products .dl-hero {
    padding-top: calc(var(--header-offset) + 84px);
    padding-bottom: 72px;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(280px, 0.68fr);
    gap: 54px;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-products .dl-tocbar {
    display: none;
  }

  .page-products .dl-layout {
    grid-template-columns: var(--side-w) minmax(0, 1fr);
    gap: 58px;
    align-items: start;
  }

  .page-products .dl-side {
    display: block;
    position: sticky;
    top: calc(var(--header-solid-h) + 28px);
  }

  .page-products .dl-stream {
    gap: 76px;
  }
}

@media (min-width: 1180px) {
  .page-products .dl-block--paper {
    padding: 52px 44px 56px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-toc-chip,
  .page-products .dl-fbtn,
  .page-products .dl-navlink {
    transition: none;
  }
}