.page-products {
  --pd-line: rgba(91, 44, 111, 0.2);
  --pd-line-soft: rgba(91, 44, 111, 0.12);
  --pd-gold-line: rgba(212, 175, 55, 0.45);
  --pd-shadow: 8px 8px 0 rgba(91, 44, 111, 0.08);
  display: block;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-serif);
  letter-spacing: -0.01em;
}

.page-products .pd-mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  background: var(--brand-deep);
  color: var(--brand-porcelain);
  padding: clamp(30px, 6vw, 68px) 0 clamp(28px, 5vw, 56px);
  overflow: hidden;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid var(--pd-gold-line);
  pointer-events: none;
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: repeating-linear-gradient(
    to bottom,
    var(--brand-gold) 0 2px,
    transparent 2px 12px
  );
  opacity: 0.7;
  pointer-events: none;
}

.page-products .pd-hero__inner {
  position: relative;
  display: grid;
  gap: 26px;
}

.page-products .pd-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.16;
  font-weight: 700;
}

.page-products .pd-hero .lede {
  margin: 16px 0 0;
  max-width: 62ch;
  color: rgba(253, 254, 254, 0.86);
  font-size: clamp(16px, 2.4vw, 18px);
  line-height: 1.75;
}

.page-products .pd-hero .btn-row {
  margin-top: 24px;
}

.page-products .pd-hero__aside {
  border-left: 1px solid var(--pd-gold-line);
  padding-left: 18px;
}

.page-products .pd-hero__aside-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-gold);
}

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

.page-products .pd-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: rgba(253, 254, 254, 0.82);
}

.page-products .pd-hero__num {
  min-width: 76px;
  font-size: 20px;
  color: var(--brand-moss);
}

.page-products .pd-hero__aside-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pd-gold-line);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(253, 254, 254, 0.66);
}

/* ---------- 行业筛选条 ---------- */
.page-products .pd-filter {
  background: var(--brand-primary);
  border-top: 1px solid var(--pd-gold-line);
  border-bottom: 1px solid var(--pd-gold-line);
  padding: 14px 0;
}

.page-products .pd-filter__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-products .pd-filter__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brand-gold);
  margin-right: 4px;
}

.page-products .pd-chip {
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid var(--pd-gold-line);
  color: var(--brand-porcelain);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out),
    color var(--t-fast) var(--ease-out);
}

.page-products .pd-chip:hover,
.page-products .pd-chip:focus-visible {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
}

.page-products .pd-chip:focus-visible {
  outline: 2px solid var(--brand-moss);
  outline-offset: 2px;
}

.page-products .pd-chip--plain {
  background: transparent;
  border-style: dashed;
}

/* ---------- 三条产品线 ---------- */
.page-products .pd-lines {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .pd-line {
  position: relative;
  background: var(--brand-porcelain);
  border: 1px solid var(--pd-line);
  padding: 26px 20px 22px;
  transition: border-color var(--t-fast) var(--ease-out),
    box-shadow var(--t-fast) var(--ease-out),
    transform var(--t-fast) var(--ease-out);
}

.page-products .pd-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 4px;
  background: var(--brand-accent);
}

.page-products .pd-line:hover {
  border-color: var(--brand-accent);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-line:target {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 2px rgba(30, 132, 73, 0.25), var(--pd-shadow);
}

.page-products .pd-line__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--brand-gold);
}

.page-products .pd-line__title {
  margin: 8px 0 0;
  font-size: 24px;
  line-height: 1.3;
  color: var(--brand-primary);
}

.page-products .pd-line__body {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--brand-ink);
}

.page-products .pd-line__specs {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--pd-line);
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--brand-ink);
}

.page-products .pd-line__specs li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.page-products .pd-line__key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--brand-primary);
}

.page-products .pd-line__tags {
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 图片容器 ---------- */
.page-products .pd-figure {
  margin: 30px 0 0;
  border: 1px solid var(--pd-line);
  background: var(--brand-porcelain);
  padding: 10px 10px 0;
}

.page-products .pd-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--brand-mist);
}

.page-products .pd-figure figcaption {
  margin: 10px 0 0;
  padding: 10px 4px 12px;
  border-top: 1px solid var(--pd-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--brand-ink);
}

.page-products .pd-figure--wide {
  margin-top: 22px;
}

.page-products .pd-figure--dark {
  background: rgba(253, 254, 254, 0.06);
  border-color: var(--pd-gold-line);
  margin-top: 0;
}

.page-products .pd-figure--dark figcaption {
  color: rgba(253, 254, 254, 0.7);
  border-top-color: var(--pd-gold-line);
}

.page-products .pd-figure--tall {
  margin-top: 0;
}

/* ---------- 承重表 ---------- */
.page-products .pd-table-scroll {
  margin-top: 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pd-line);
  background: var(--brand-porcelain);
}

.page-products .pd-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--brand-ink);
}

.page-products .pd-table caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--brand-primary);
  border-bottom: 1px solid var(--pd-line-soft);
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--pd-line-soft);
  vertical-align: top;
  line-height: 1.6;
}

.page-products .pd-table thead th {
  background: var(--brand-deep);
  color: var(--brand-porcelain);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 500;
  border-bottom: 1px solid var(--pd-gold-line);
}

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

.page-products .pd-table tbody tr {
  transition: background var(--t-fast) var(--ease-out);
}

.page-products .pd-table tbody tr:hover,
.page-products .pd-table tbody tr:focus-within {
  background: rgba(169, 223, 191, 0.28);
}

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

/* ---------- 剖面 SVG ---------- */
.page-products .pd-svgwrap {
  margin-top: 26px;
  border: 1px solid var(--pd-line);
  background: var(--brand-porcelain);
  padding: 18px 16px 14px;
}

.page-products .pd-svgwrap__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--brand-accent);
}

.page-products .pd-svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 规格核定 ---------- */
.page-products .pd-check {
  background: var(--brand-deep);
  color: var(--brand-porcelain);
}

.page-products .pd-check__grid {
  display: grid;
  gap: 28px;
}

.page-products .pd-check h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.24;
}

.page-products .pd-check p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(253, 254, 254, 0.82);
}

.page-products .pd-check__rows {
  margin-top: 24px;
  border-top: 1px solid var(--pd-gold-line);
}

.page-products .pd-check__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.24);
}

.page-products .pd-check__key {
  flex: 0 0 96px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--brand-moss);
}

.page-products .pd-check__val {
  flex: 1 1 220px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(253, 254, 254, 0.82);
}

.page-products .pd-check__note {
  font-size: 14px;
  color: var(--brand-gold);
}

/* ---------- 版本说明 ---------- */
.page-products .pd-versions {
  margin-top: 24px;
}

.page-products .pd-versions__q {
  margin: 0;
  font-size: 17px;
}

.page-products .pd-versions__actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.page-products .pd-versions .accordion__inner p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--brand-ink);
}

.page-products .pd-versions .accordion__inner p:last-child {
  margin-bottom: 0;
}

/* ---------- 打样与交付 ---------- */
.page-products .pd-lead__grid {
  margin-top: 26px;
  display: grid;
  gap: 28px;
}

.page-products .pd-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--brand-moss);
  display: grid;
  gap: 26px;
}

.page-products .pd-timeline > li {
  position: relative;
}

.page-products .pd-timeline > li::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--brand-accent);
  border: 2px solid var(--brand-porcelain);
  box-shadow: 0 0 0 1px var(--brand-accent);
}

.page-products .pd-timeline__when {
  display: block;
  font-size: 13px;
  color: var(--brand-data);
}

.page-products .pd-timeline__what {
  margin: 6px 0 0;
  font-size: 19px;
  color: var(--brand-primary);
}

.page-products .pd-timeline p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--brand-ink);
}

/* ---------- 资料申领 ---------- */
.page-products .pd-request {
  background: var(--brand-mist);
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-request__grid {
  display: grid;
  gap: 26px;
  max-width: 900px;
  margin: 0 auto;
}

.page-products .pd-request h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.26;
  color: var(--brand-primary);
}

.page-products .pd-request__main > p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--brand-ink);
}

.page-products .pd-request__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-request__list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--brand-porcelain);
  border: 1px solid var(--pd-line);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--brand-ink);
}

.page-products .pd-request__list strong {
  color: var(--brand-primary);
  font-weight: 600;
}

.page-products .pd-request__num {
  flex: 0 0 auto;
  color: var(--brand-accent);
  font-size: 14px;
}

.page-products .pd-request__note {
  font-size: 13px;
  color: var(--brand-oak);
}

.page-products .pd-request__aside {
  background: var(--brand-porcelain);
  border: 1px solid var(--pd-line);
  border-left: 4px solid var(--brand-accent);
  padding: 22px 18px;
}

.page-products .pd-request__aside-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--brand-gold);
}

.page-products .pd-request__aside-body {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--brand-ink);
}

.page-products .pd-request__aside .btn-row {
  margin-top: 18px;
}

.page-products .pd-request__aside-meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pd-line);
  font-size: 12px;
  color: var(--brand-primary);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(230px, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .pd-hero__aside {
    padding-left: 24px;
  }

  .page-products .pd-figure {
    padding: 12px 12px 0;
  }

  .page-products .pd-check__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .pd-lead__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 36px;
  }

  .page-products .pd-request__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-products .pd-lines {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-products .pd-line {
    padding: 30px 24px 26px;
  }

  .page-products .pd-figure {
    margin-top: 36px;
  }
}

@media (max-width: 719px) {
  .page-products .pd-hero::after {
    width: 4px;
  }

  .page-products .pd-hero__aside {
    border-left: none;
    border-top: 1px solid var(--pd-gold-line);
    padding-left: 0;
    padding-top: 18px;
  }

  .page-products .pd-hero__num {
    min-width: 62px;
    font-size: 18px;
  }

  .page-products .pd-check__row {
    gap: 4px;
  }

  .page-products .pd-check__key {
    flex-basis: 100%;
  }

  .page-products .pd-line__specs li {
    flex-direction: column;
    gap: 2px;
  }

  .page-products .pd-timeline {
    padding-left: 18px;
  }

  .page-products .pd-timeline > li::before {
    left: -26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-line,
  .page-products .pd-chip,
  .page-products .pd-table tbody tr {
    transition: none;
  }
}