.page-products {
  --pdm-gap: clamp(20px, 4vw, 48px);
  --pdm-pad: clamp(56px, 8vw, 112px);
  --pdm-line: rgba(11, 27, 58, 0.14);
  --pdm-line-dark: rgba(199, 208, 224, 0.24);
}

/* ---- 面包屑 ---- */
.page-products .pdm-crumb {
  background: var(--paper);
  border-bottom: 1px solid var(--pdm-line);
}
.page-products .pdm-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 13px 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-products .pdm-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--grid);
}
.page-products .pdm-crumb .breadcrumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-products .pdm-crumb .breadcrumb a:hover,
.page-products .pdm-crumb .breadcrumb a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---- 首屏 ---- */
.page-products .pdm-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(40px, 7vw, 88px);
}
.page-products .pdm-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pdm-line-dark) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pdm-line-dark) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.42;
  pointer-events: none;
}
.page-products .pdm-hero__inner {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(36px, 6vw, 72px);
}
.page-products .pdm-hero__eyebrow {
  color: var(--cyan);
}
.page-products .pdm-hero__title {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 12.5vw, 122px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-products .pdm-hero__title-accent {
  display: block;
  color: var(--signal);
}
.page-products .pdm-hero__lead {
  max-width: 60ch;
  margin: clamp(20px, 3vw, 32px) 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(245, 247, 251, 0.82);
}
.page-products .pdm-hero__hint {
  margin: 18px 0 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}
.page-products .pdm-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 5vw, 48px) 0 0;
  padding: 1px;
  list-style: none;
  background: var(--pdm-line-dark);
  border: 1px solid var(--pdm-line-dark);
}
.page-products .pdm-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px;
  background: var(--ink);
}
.page-products .pdm-stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 600;
  line-height: 1;
  color: var(--signal);
}
.page-products .pdm-stats .stat__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 251, 0.66);
}
.page-products .pdm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 42px);
}
.page-products .pdm-hero__rule {
  position: relative;
  z-index: 1;
  height: 26px;
  border-top: 1px solid var(--pdm-line-dark);
  background-image: repeating-linear-gradient(
    to right,
    var(--pdm-line-dark) 0 1px,
    transparent 1px 6.25%
  );
}

/* ---- 通用区块 ---- */
.page-products .section {
  padding: var(--pdm-pad) 0;
}
.page-products .pdm-catalog {
  background: var(--paper);
}
.page-products .pdm-fee {
  background: var(--paper);
  border-top: 1px solid var(--pdm-line);
}
.page-products .pdm-tags {
  background: var(--paper);
  padding-top: 0;
}
.page-products .section-head--split {
  display: grid;
  gap: 18px;
}
.page-products .pdm-catalog__intro,
.page-products .pdm-fee__lead,
.page-products .pdm-ver__intro,
.page-products .pdm-doubts__intro {
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---- 12 格目录 ---- */
.page-products .pdm-grid-12 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: 1px;
  background: var(--pdm-line);
  border: 1px solid var(--pdm-line);
}
.page-products .pdm-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 138px;
  padding: 18px 16px 16px;
  background: var(--paper);
  outline: 2px solid transparent;
  outline-offset: -2px;
  transition: background var(--speed-fast) var(--ease), outline-color var(--speed-fast) var(--ease);
}
.page-products .pdm-card:hover,
.page-products .pdm-card:focus-within {
  background: #ffffff;
  outline-color: var(--cyan);
}
.page-products .pdm-card__no {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 7px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--cyan);
}
.page-products .pdm-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}
.page-products .pdm-card__meta {
  margin: auto 0 0;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-products .pdm-card__meta .mono {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}
.page-products .pdm-card .batch-badge {
  display: inline-block;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: rgba(242, 180, 65, 0.32);
  border: 1px solid rgba(242, 180, 65, 0.85);
}
.page-products .pdm-catalog__figure {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

/* ---- 费用表 ---- */
.page-products .pdm-fee__scroll {
  margin-top: clamp(26px, 4vw, 40px);
  overflow-x: auto;
  border: 1px solid var(--pdm-line);
  -webkit-overflow-scrolling: touch;
}
.page-products .pdm-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #ffffff;
  font-size: 14px;
}
.page-products .pdm-table__caption {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--paper);
  border-bottom: 1px solid var(--pdm-line);
}
.page-products .pdm-table thead th {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--paper);
  background: var(--ink);
  border-right: 1px solid var(--pdm-line-dark);
  white-space: nowrap;
}
.page-products .pdm-table tbody th,
.page-products .pdm-table tbody td {
  padding: 18px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  color: var(--black);
  border-top: 1px solid var(--pdm-line);
  border-right: 1px solid var(--pdm-line);
}
.page-products .pdm-table tbody tr:nth-child(even) th,
.page-products .pdm-table tbody tr:nth-child(even) td {
  background: var(--paper);
}
.page-products .pdm-table tbody tr:hover th,
.page-products .pdm-table tbody tr:hover td {
  background: rgba(46, 196, 182, 0.08);
}
.page-products .pdm-table__row-head {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
  white-space: nowrap;
}
.page-products .pdm-fee__figure {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

/* ---- 标签索引尺 + 折叠面板 ---- */
.page-products .pdm-rail {
  display: grid;
  gap: 26px;
  margin-top: clamp(24px, 4vw, 40px);
}
.page-products .pdm-rail__cap {
  margin: 0 0 12px;
  color: var(--muted);
}
.page-products .pdm-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-products .pdm-rail__list li {
  flex: 0 0 auto;
}
.page-products .pdm-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--pdm-line);
  background: #ffffff;
  white-space: nowrap;
  transition: border-color var(--speed-fast) var(--ease), color var(--speed-fast) var(--ease);
}
.page-products .pdm-rail__list a .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-deep);
}
.page-products .pdm-rail__list a:hover,
.page-products .pdm-rail__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-deep);
}
.page-products .pdm-fold {
  border-top: 1px solid var(--pdm-line);
  background: transparent;
}
.page-products .pdm-fold:last-child {
  border-bottom: 1px solid var(--pdm-line);
}
.page-products .pdm-fold summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
}
.page-products .pdm-fold summary::-webkit-details-marker {
  display: none;
}
.page-products .pdm-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan-deep);
}
.page-products .pdm-fold[open] summary::after {
  content: "−";
  color: var(--signal);
}
.page-products .pdm-fold summary:hover .pdm-fold__name,
.page-products .pdm-fold summary:focus-visible .pdm-fold__name {
  color: var(--cyan-deep);
}
.page-products .pdm-fold summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-products .pdm-fold__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}
.page-products .pdm-fold__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  transition: color var(--speed-fast) var(--ease);
}
.page-products .pdm-fold__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}
.page-products .pdm-fold__body {
  margin-left: 2px;
  padding: 0 0 22px 18px;
  border-left: 2px solid var(--cyan);
}
.page-products .pdm-fold__body p {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---- 版本对照 ---- */
.page-products .pdm-ver {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}
.page-products .pdm-ver::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pdm-line-dark) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pdm-line-dark) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.32;
  pointer-events: none;
}
.page-products .pdm-ver .shell {
  position: relative;
  z-index: 1;
}
.page-products .pdm-ver .eyebrow {
  color: var(--cyan);
}
.page-products .pdm-ver .h-section {
  color: var(--paper);
}
.page-products .pdm-ver__intro {
  color: rgba(245, 247, 251, 0.74);
}
.page-products .pdm-ver__compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: clamp(30px, 4vw, 46px);
  padding: 24px 20px 26px;
  background: var(--ink-2);
  border: 1px solid var(--pdm-line-dark);
}
.page-products .pdm-ver__side {
  padding: 18px 18px 20px;
  border: 1px solid var(--pdm-line-dark);
  background: rgba(11, 27, 58, 0.6);
}
.page-products .pdm-ver__side--old {
  border-left: 4px solid var(--amber);
}
.page-products .pdm-ver__side--new {
  border-left: 4px solid var(--cyan);
}
.page-products .pdm-ver__tag {
  margin: 0 0 12px;
  color: rgba(245, 247, 251, 0.66);
}
.page-products .pdm-ver__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(40px, 8vw, 66px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-products .pdm-ver__cap {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 251, 0.6);
}
.page-products .pdm-ver__slider {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  padding: 4px 2px;
}
.page-products .pdm-slider__svg {
  display: block;
  width: 100%;
  height: 40px;
}
.page-products .pdm-slider__track {
  stroke: var(--pdm-line-dark);
  stroke-width: 1;
  stroke-dasharray: 4 4;
}
.page-products .pdm-slider__fill {
  stroke: var(--cyan);
  stroke-width: 2;
}
.page-products .pdm-slider__handle {
  fill: var(--cyan);
}
.page-products .pdm-slider__handle--old {
  fill: var(--amber);
}
.page-products .pdm-slider__note {
  margin: 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(245, 247, 251, 0.6);
}
.page-products .pdm-ver__figure {
  margin: clamp(30px, 4vw, 48px) 0 0;
}

/* ---- 批次 ---- */
.page-products .pdm-batch {
  background: var(--wine);
  color: var(--paper);
}
.page-products .pdm-batch .eyebrow {
  color: var(--amber);
}
.page-products .pdm-batch .h-section {
  color: var(--paper);
}
.page-products .pdm-batch__lead {
  max-width: 60ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 247, 251, 0.8);
}
.page-products .pdm-batch__list {
  display: grid;
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 1px;
  list-style: none;
  background: rgba(245, 247, 251, 0.22);
}
.page-products .pdm-batch__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 18px 16px;
  background: var(--wine);
}
.page-products .pdm-batch__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  padding-top: 3px;
}
.page-products .pdm-batch__text {
  min-width: 0;
}
.page-products .pdm-batch__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}
.page-products .pdm-batch__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 251, 0.76);
}
.page-products .pdm-batch__delta {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  color: var(--amber);
}
.page-products .pdm-batch__figure {
  margin: clamp(30px, 4vw, 48px) 0 0;
}

/* ---- 选型场景 ---- */
.page-products .pdm-fit {
  background: var(--paper);
}
.page-products .pdm-fit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: 1px;
  background: var(--pdm-line);
}
.page-products .pdm-fit__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 24px;
  background: #ffffff;
  border-top: 4px solid var(--ink);
}
.page-products .pdm-fit__card--a {
  border-top-color: var(--cyan);
}
.page-products .pdm-fit__card--b {
  border-top-color: var(--signal);
}
.page-products .pdm-fit__card--c {
  border-top-color: var(--violet);
}
.page-products .pdm-fit__card .label-caps {
  color: var(--muted);
}
.page-products .pdm-fit__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}
.page-products .pdm-fit__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-products .pdm-fit__pick {
  margin: auto 0 0;
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-deep);
  border-top: 1px solid var(--pdm-line);
}

/* ---- 检索 ---- */
.page-products .pdm-search {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}
.page-products .pdm-search::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--pdm-line-dark) 0 1px,
    transparent 1px 72px
  );
  opacity: 0.4;
  pointer-events: none;
}
.page-products .pdm-search__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}
.page-products .pdm-search .eyebrow {
  color: var(--cyan);
}
.page-products .pdm-search .h-section {
  color: var(--paper);
}
.page-products .pdm-search__lead {
  max-width: 58ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 247, 251, 0.76);
}
.page-products .pdm-search__list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .pdm-search__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 247, 251, 0.84);
  border-top: 1px solid var(--pdm-line-dark);
}
.page-products .pdm-search__list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--signal);
  padding-top: 3px;
}
.page-products .pdm-search__figure {
  margin: 0;
}

/* ---- 常见困惑 ---- */
.page-products .pdm-doubts {
  background: var(--paper);
}
.page-products .pdm-doubts__list {
  display: grid;
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 1px;
  background: var(--pdm-line);
}
.page-products .pdm-doubts__item {
  padding: 24px 20px;
  background: #ffffff;
}
.page-products .pdm-doubts__item dt {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  padding-left: 14px;
  border-left: 3px solid var(--signal);
}
.page-products .pdm-doubts__item dd {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pdm-doubts__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
}
.page-products .pdm-btn--dark-outline {
  color: var(--ink);
  border-color: var(--ink);
}
.page-products .pdm-btn--dark-outline:hover,
.page-products .pdm-btn--dark-outline:focus-visible {
  color: var(--cyan-deep);
  border-color: var(--cyan);
}

/* ---- 图片容器统一 ---- */
.page-products .media-frame img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---- 响应式 ---- */
@media (min-width: 640px) {
  .page-products .pdm-grid-12 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pdm-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pdm-fit__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pdm-ver__compare {
    grid-template-columns: minmax(0, 1fr) minmax(140px, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-products .section-head--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(28px, 5vw, 72px);
  }
  .page-products .pdm-search__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
  }
  .page-products .pdm-doubts__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .pdm-grid-12 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pdm-fit__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pdm-rail {
    grid-template-columns: minmax(200px, 248px) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }
  .page-products .pdm-rail__nav {
    position: sticky;
    top: 28px;
  }
  .page-products .pdm-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 0;
  }
  .page-products .pdm-rail__list li + li {
    border-top: 1px solid var(--pdm-line);
  }
  .page-products .pdm-rail__list a {
    display: flex;
    width: 100%;
    padding: 10px 10px 10px 0;
    border-color: transparent;
    background: transparent;
    position: relative;
  }
  .page-products .pdm-rail__list a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: transparent;
    transition: background var(--speed-fast) var(--ease);
  }
  .page-products .pdm-rail__list a:hover::before,
  .page-products .pdm-rail__list a:focus-visible::before {
    background: var(--cyan);
  }
  .page-products .pdm-rail__list a {
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pdm-card,
  .page-products .pdm-rail__list a,
  .page-products .pdm-fold__name,
  .page-products .pdm-rail__list a::before {
    transition: none;
  }
}
</main>