.page-products {
  --paper-card: #FDF8EC;
  --pos-line: rgba(46, 111, 106, .45);
  background: var(--ink-deep);
  color: var(--body-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .crumb-bar {
  padding-top: calc(var(--header-h) + 16px);
}

.page-products .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-12);
  color: var(--faint);
}

.page-products .crumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-products .crumbs li + li::before {
  content: "/";
  color: var(--faint);
}

.page-products .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(40px, 6vw, 80px);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(53, 242, 208, .16), transparent 62%),
    radial-gradient(90% 70% at -8% 104%, rgba(245, 166, 35, .12), transparent 64%),
    var(--ink-deep);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 111, 106, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 111, 106, .16) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(72% 62% at 62% 28%, #000, transparent 76%);
  mask-image: radial-gradient(72% 62% at 62% 28%, #000, transparent 76%);
  pointer-events: none;
}

.page-products .hero-grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .hero-h1 {
  margin: 12px 0 0;
  font-size: var(--fs-64);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
  font-weight: 800;
}

.page-products .hero-copy .lead {
  margin-top: 18px;
  max-width: 36em;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--body-ink);
}

.page-products .hero-actions {
  margin-top: 24px;
}

.page-products .module-index {
  list-style: none;
  margin: clamp(26px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .module-index li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 13px 16px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(18, 51, 43, .5);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-products .module-index li:hover {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

.page-products .idx {
  font-size: var(--fs-13);
  letter-spacing: .08em;
  color: var(--cyan);
  line-height: 1.7;
}

.page-products .idx-title {
  display: block;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 3px;
}

.page-products .module-index p {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--muted);
}

.page-products .hero-visual {
  position: relative;
}

.page-products .version-chip {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(11, 31, 26, .94);
  border: 1px solid var(--line-cyan);
}

.page-products .chip-v {
  font-size: var(--fs-13);
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-products .chip-txt {
  font-size: var(--fs-12);
  color: var(--muted);
}

/* ---------- 通用区块 ---------- */
.page-products .psec {
  padding-block: clamp(44px, 6vw, 88px);
}

.page-products .sec-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .sec-title {
  margin: 10px 0 0;
  font-size: var(--fs-40);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--paper);
  font-weight: 800;
}

.page-products .sec-desc {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .sec-head--print .sec-title {
  color: var(--print);
}

.page-products .sec-head--print .sec-desc {
  color: #4A3D33;
}

.page-products .eyebrow {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-products .eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
}

.page-products .eyebrow--print {
  color: #A5541F;
}

.page-products .split {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-products .split-media {
  margin: 0;
  width: 100%;
}

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

.page-products .media-caption {
  margin-top: 10px;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--faint);
}

.page-products .split-note {
  margin: 16px 0 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 表格 ---------- */
.page-products .table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .data-table {
  width: 100%;
  min-width: 380px;
  border-collapse: collapse;
  font-size: var(--fs-13);
  line-height: 1.6;
}

.page-products .data-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--cyan);
  border-bottom: 1px solid var(--grid-line);
  white-space: nowrap;
}

.page-products .data-table td {
  padding: 10px 12px;
  color: var(--body-ink);
  border-bottom: 1px solid var(--pos-line);
}

.page-products .data-table tbody tr:hover td {
  background: rgba(53, 242, 208, .05);
  color: var(--paper);
}

.page-products .bullet-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .bullet-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--amber);
}

.page-products .psec--possession {
  background: linear-gradient(180deg, var(--ink-deep), var(--ink-black) 72%, var(--ink-deep));
}

.page-products .psec--rounds {
  background: var(--ink-black);
}

/* ---------- 资料下载（纸层） ---------- */
.page-products .psec--downloads {
  background: var(--paper);
  color: var(--print);
}

.page-products .dl-hero {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(36, 26, 20, .18);
}

.page-products .dl-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .dl-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border-radius: 16px;
  background: var(--paper-card);
  border: 1px solid rgba(36, 26, 20, .16);
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products .dl-card:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  box-shadow: 0 10px 24px -18px rgba(36, 26, 20, .9);
}

.page-products .dl-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  justify-content: space-between;
}

.page-products .psec--downloads .tag-cyan {
  background: var(--cyan);
  color: var(--ink-black);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-products .dl-time {
  font-size: var(--fs-12);
  color: #7A6A5C;
  letter-spacing: .02em;
}

.page-products .dl-title {
  margin: 2px 0 0;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--print);
  font-weight: 700;
}

.page-products .dl-desc {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: #4A3D33;
}

.page-products .dl-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 2px 0 0;
  padding: 0;
}

.page-products .dl-tags li {
  font-size: var(--fs-12);
  line-height: 1.6;
  padding: 3px 9px;
  border-radius: 999px;
  color: var(--print);
  background: rgba(36, 26, 20, .07);
  border: 1px solid rgba(36, 26, 20, .14);
}

.page-products .dl-fit {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(36, 26, 20, .2);
  font-size: var(--fs-12);
  line-height: 1.7;
  color: #5B4B3E;
}

.page-products .fit-label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border-radius: 4px;
  background: var(--print);
  color: var(--paper);
  letter-spacing: .08em;
}

/* ---------- 移动端章节 ---------- */
.page-products .psec--mobile {
  background: var(--ink-deep);
}

.page-products .psec--mobile .sec-title {
  margin-top: 10px;
  margin-bottom: 16px;
}

.page-products .psec--mobile p {
  margin: 0 0 14px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--body-ink);
}

.page-products .psec--mobile .bullet-list {
  margin-top: 18px;
}

/* ---------- 字段列表 ---------- */
.page-products .psec--fields {
  background: var(--ink-black);
}

.page-products .field-list {
  display: grid;
  gap: 1px;
  background: var(--pos-line);
  border-radius: 14px;
  overflow: hidden;
}

.page-products .field-row {
  background: var(--ink-panel);
  transition: background .2s var(--ease);
}

.page-products .field-row[open] {
  background: #163A31;
}

.page-products .field-row summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: 14px 16px;
}

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

.page-products .f-code {
  font-size: var(--fs-12);
  color: var(--cyan);
  letter-spacing: .02em;
  flex: 1 1 160px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-products .f-name {
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--paper);
  flex: 0 0 auto;
}

.page-products .f-time {
  font-size: var(--fs-12);
  color: var(--amber);
  letter-spacing: .04em;
  flex: 0 0 auto;
}

.page-products .field-row p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 版本记录 ---------- */
.page-products .psec--versions {
  background: var(--ink-deep);
}

.page-products .version-list {
  display: grid;
  gap: 10px;
}

.page-products .version-row {
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--grid-line);
  border-radius: 12px;
  background: rgba(18, 51, 43, .42);
  transition: border-color .2s var(--ease);
}

.page-products .version-row[open],
.page-products .version-row:hover {
  border-left-color: var(--cyan);
}

.page-products .version-row summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 16px;
}

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

.page-products .v-no {
  font-size: var(--fs-13);
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-products .v-title {
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--paper);
}

.page-products .version-row ul {
  margin: 0;
  padding: 0 16px 16px 34px;
  display: grid;
  gap: 8px;
}

.page-products .version-row li {
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .version-foot {
  margin: 20px 0 0;
  font-size: var(--fs-13);
  color: var(--muted);
}

.page-products .version-foot a {
  color: var(--cyan);
  text-decoration: none;
}

.page-products .version-foot a:hover {
  color: var(--amber);
}

/* ---------- 接入流程 ---------- */
.page-products .psec--access {
  background: var(--ink-black);
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .step {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(18, 51, 43, .38);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .step:hover {
  border-color: var(--line-cyan);
  background: rgba(18, 51, 43, .62);
}

.page-products .step-num {
  display: inline-block;
  font-size: var(--fs-13);
  letter-spacing: .1em;
  color: var(--amber);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--grid-line);
}

.page-products .step-title {
  margin: 12px 0 8px;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--paper);
  font-weight: 700;
}

.page-products .step p {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .step-mats {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  overflow: hidden;
  max-height: none;
  opacity: 1;
  transition: max-height .28s var(--ease), opacity .2s var(--ease);
}

.page-products .mats-label {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-products .step-mats ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}

.page-products .step-mats li {
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--muted);
  padding-left: 12px;
  position: relative;
}

.page-products .step-mats li::before {
  content: "·";
  position: absolute;
  left: 2px;
  color: var(--amber);
}

/* ---------- 遇到问题 ---------- */
.page-products .psec--help {
  background:
    radial-gradient(80% 90% at 100% 0%, rgba(245, 166, 35, .12), transparent 62%),
    var(--ink-deep);
}

.page-products .help-grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-products .help-lead p {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--muted);
  max-width: 40ch;
}

.page-products .help-cards {
  display: grid;
  gap: 14px;
}

.page-products .help-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border-radius: 16px;
  text-decoration: none;
  background: rgba(18, 51, 43, .55);
  border: 1px solid var(--line-soft);
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .help-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(18, 51, 43, .82);
}

.page-products .help-no {
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--amber);
}

.page-products .help-card h3 {
  margin: 0;
  font-size: var(--fs-20);
  color: var(--paper);
  font-weight: 700;
}

.page-products .help-card p {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .help-go {
  margin-top: 6px;
  font-size: var(--fs-13);
  font-weight: 600;
  color: var(--cyan);
}

.page-products .help-card:hover .help-go {
  color: var(--amber);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .dl-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-products .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .step {
    border: 0;
    border-left: 1px solid var(--grid-line);
    border-radius: 0;
    background: transparent;
    padding: 0 18px;
  }

  .page-products .step:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-products .step:last-child {
    padding-right: 0;
  }

  .page-products .step:hover {
    background: transparent;
  }

  .page-products .step-mats {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    border-top-width: 0;
    margin-top: 0;
  }

  .page-products .step:hover .step-mats,
  .page-products .step:focus-within .step-mats {
    max-height: 200px;
    opacity: 1;
    padding-top: 10px;
    border-top-width: 1px;
    margin-top: 12px;
  }
}

@media (min-width: 1024px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-products .split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .split--reverse .split-media {
    order: 2;
  }

  .page-products .split--reverse .split-body {
    order: 1;
  }

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

  .page-products .help-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .field-row summary {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr) 130px;
    align-items: center;
    gap: 16px;
  }

  .page-products .f-code {
    flex: none;
  }

  .page-products .f-time {
    text-align: right;
  }
}

@media (min-width: 1200px) {
  .page-products .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .split--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}