.page-products {
  --prod-cream-line: rgba(43, 33, 25, 0.16);
  --prod-cream-soft: rgba(43, 33, 25, 0.78);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: 28px 0 6px;
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -170px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 255, 62, 0.14), transparent 68%);
  pointer-events: none;
}

.page-products .prod-hero .bw-title--xl {
  margin: 12px 0 14px;
  max-width: 18ch;
}

.page-products .prod-hero .bw-lede {
  max-width: 62ch;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .prod-hero__bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 32px;
  border-top: 1px solid rgba(227, 214, 190, 0.22);
  border-bottom: 1px solid rgba(227, 214, 190, 0.22);
}

.page-products .prod-hero__cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(227, 214, 190, 0.14);
}

.page-products .prod-hero__cell:last-child {
  border-bottom: 0;
}

.page-products .prod-hero__value {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--lime);
  font-weight: 700;
}

.page-products .prod-hero__value--orange {
  color: var(--orange);
}

.page-products .prod-hero__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ---------- 主体分栏 ---------- */
.page-products .prod-shell {
  padding-top: 24px;
}

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

.page-products .prod-index {
  background: rgba(245, 238, 224, 0.04);
  border-left: 3px solid var(--lime);
  padding: 16px 18px 18px;
  border-radius: var(--radius);
}

.page-products .prod-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-products .prod-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .prod-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 4px;
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid rgba(227, 214, 190, 0.08);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-products .prod-index__link:last-child {
  border-bottom: 0;
}

.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible {
  color: var(--lime);
  padding-left: 10px;
}

.page-products .prod-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

/* ---------- 内容卡片 ---------- */
.page-products .prod-block {
  position: relative;
  background: var(--cream);
  color: var(--ink);
  padding: 24px 18px 28px;
  margin-bottom: 24px;
  border-radius: var(--radius);
}

.page-products .prod-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--vermillion);
}

.page-products .prod-block--last {
  margin-bottom: 0;
}

.page-products .prod-block__head {
  margin-bottom: 20px;
}

.page-products .prod-block__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--vermillion);
}

.page-products .prod-block .bw-title {
  color: var(--ink);
  margin: 0;
}

.page-products .prod-block__lede {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--prod-cream-soft);
}

.page-products .prod-block__tail {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--prod-cream-soft);
}

.page-products .prod-block__tail a {
  color: var(--vermillion);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prod-block__tail a:hover {
  color: var(--ink);
}

/* ---------- 图片 ---------- */
.page-products .prod-figure {
  margin: 0 0 22px;
}

.page-products .prod-figure:last-child {
  margin-bottom: 0;
}

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

.page-products .prod-figure--tight {
  margin-top: 24px;
}

.page-products .prod-figure--square .bw-figure__frame {
  max-width: 420px;
}

/* ---------- 标签页 ---------- */
.page-products .prod-tabs {
  margin-top: 4px;
}

.page-products .prod-tabs .bw-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  border-bottom: 1px solid var(--prod-cream-line);
  margin-bottom: 18px;
}

.page-products .prod-tabs .bw-tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 10px 12px;
  font: inherit;
  font-size: 14px;
  color: rgba(43, 33, 25, 0.6);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .prod-tabs .bw-tab:hover {
  color: var(--ink);
}

.page-products .prod-tabs .bw-tab[aria-selected="true"] {
  color: var(--ink);
  font-weight: 700;
  border-bottom-color: var(--vermillion);
}

.page-products .prod-tabs .bw-tab:focus-visible {
  outline: 2px solid var(--vermillion);
  outline-offset: -2px;
}

.page-products .prod-panel h3 {
  margin: 0 0 10px;
  color: var(--ink);
}

.page-products .prod-panel p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--prod-cream-soft);
}

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

.page-products .prod-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--prod-cream-soft);
}

.page-products .prod-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--vermillion);
}

/* ---------- 步骤条 ---------- */
.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0 18px;
  border-bottom: 1px dashed var(--prod-cream-line);
}

.page-products .prod-step:first-child {
  padding-top: 4px;
}

.page-products .prod-step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prod-step__num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--vermillion);
  font-weight: 700;
}

.page-products .prod-step__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--ink);
}

.page-products .prod-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--prod-cream-soft);
}

/* ---------- 对照表 ---------- */
.page-products .prod-tablewrap {
  margin-top: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--prod-cream-line);
}

.page-products .prod-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-table caption {
  caption-side: top;
  text-align: left;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--vermillion);
  background: rgba(43, 33, 25, 0.04);
  border-bottom: 1px solid var(--prod-cream-line);
}

.page-products .prod-table thead th {
  background: var(--lime);
  color: var(--night);
  text-align: left;
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  font-weight: 700;
  white-space: nowrap;
}

.page-products .prod-table tbody th {
  text-align: left;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid var(--prod-cream-line);
  border-right: 1px solid var(--prod-cream-line);
  white-space: nowrap;
}

.page-products .prod-table tbody td {
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--prod-cream-soft);
  border-bottom: 1px solid var(--prod-cream-line);
}

.page-products .prod-table tbody tr:last-child th,
.page-products .prod-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .prod-table__full {
  color: var(--ink);
  font-weight: 600;
}

.page-products .prod-table__part {
  color: rgba(43, 33, 25, 0.58);
}

.page-products .prod-table__none {
  color: var(--vermillion);
}

/* ---------- 系统要求 ---------- */
.page-products .prod-req {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products .prod-req__figure {
  margin: 0;
}

.page-products .prod-req__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--prod-cream-line);
}

.page-products .prod-req__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--prod-cream-line);
}

.page-products .prod-req__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--vermillion);
}

.page-products .prod-req__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 更新日志 ---------- */
.page-products .prod-log-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products .prod-log {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--prod-cream-line);
}

.page-products .prod-log__item {
  position: relative;
  padding: 0 0 20px 20px;
}

.page-products .prod-log__item:last-child {
  padding-bottom: 0;
}

.page-products .prod-log__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cream);
  border: 2px solid var(--prod-cream-line);
}

.page-products .prod-log__item--now::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .prod-log__ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-right: 10px;
}

.page-products .prod-log__when {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--vermillion);
}

.page-products .prod-log__desc {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--prod-cream-soft);
}

.page-products .prod-log__figure {
  margin: 0;
}

.page-products .prod-log__figure img {
  max-height: 320px;
}

/* ---------- 排查清单 ---------- */
.page-products .prod-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--prod-cream-line);
}

.page-products .prod-checks__item {
  padding: 14px 0;
  border-bottom: 1px solid var(--prod-cream-line);
}

.page-products .prod-checks__title {
  position: relative;
  margin: 0 0 6px;
  padding-left: 18px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .prod-checks__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 2px;
  background: var(--orange);
}

.page-products .prod-checks__text {
  margin: 0;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--prod-cream-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-hero__bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-products .prod-hero__cell {
    border-bottom: 0;
    border-right: 1px dashed rgba(227, 214, 190, 0.14);
    padding: 16px 0;
  }

  .page-products .prod-hero__cell:nth-child(2n) {
    border-right: 0;
  }

  .page-products .prod-req__item {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

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

@media (min-width: 768px) {
  .page-products .prod-hero {
    padding: 48px 0 14px;
  }

  .page-products .prod-hero__value {
    font-size: 34px;
  }

  .page-products .prod-block {
    padding: 38px 40px 44px;
    margin-bottom: 32px;
  }

  .page-products .prod-step {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 26px;
  }

  .page-products .prod-step__num {
    font-size: 56px;
  }

  .page-products .prod-req {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .prod-log-wrap {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-products .prod-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .prod-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

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

  .page-products .prod-hero__cell {
    border-right: 1px dashed rgba(227, 214, 190, 0.14);
  }

  .page-products .prod-hero__cell:last-child {
    border-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-index__link,
  .page-products .prod-tabs .bw-tab {
    transition: none;
  }
}