.page-products .pd-hero {
  padding-block: clamp(24px, 4.5vw, 52px) clamp(30px, 5vw, 60px);
}
.page-products .pd-hero .display {
  max-width: 18ch;
  margin: 10px 0 16px;
}
.page-products .pd-hero__side {
  border-left: 2px solid var(--edge);
  padding-left: 16px;
}
.page-products .pd-hero__side .mono {
  color: var(--cyan);
  display: block;
  margin-bottom: 8px;
}

/* 顶部常驻短条 */
.page-products .pd-quick {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(14, 17, 48, .94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--edge-soft);
  border-bottom: 1px solid var(--edge-soft);
}
.page-products .pd-quick__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  padding-block: 10px;
}
.page-products .pd-quick__label {
  color: var(--rock);
  letter-spacing: .18em;
  font-size: 12px;
}
.page-products .pd-quick__link {
  position: relative;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--edge);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-products .pd-quick__link:hover,
.page-products .pd-quick__link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}
.page-products .pd-quick__link--signal {
  margin-left: auto;
  color: var(--orange);
  border-color: transparent;
}
.page-products .pd-quick__link--signal:hover,
.page-products .pd-quick__link--signal:focus-visible {
  border-color: var(--orange);
}

/* 判断规则 */
.page-products .pd-rules {
  padding-block: clamp(38px, 5.5vw, 72px);
}
.page-products .pd-rules__list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge-soft);
  border: 1px solid var(--edge-soft);
}
.page-products .pd-rule {
  background: var(--tunnel);
  padding: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 8px;
  border-left: 2px solid transparent;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}
.page-products .pd-rule:hover {
  border-left-color: var(--cyan);
  background: rgba(23, 27, 62, .82);
}
.page-products .pd-rule__no {
  color: var(--clay);
  font-size: 13px;
  letter-spacing: .16em;
}
.page-products .pd-rule__title {
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.45;
  margin: 0;
  color: var(--paper);
  letter-spacing: -.01em;
}
.page-products .pd-rule__text {
  margin: 0;
  color: var(--rock);
  font-size: 16px;
  line-height: 1.8;
  max-width: 62ch;
}

/* 入口路径带 */
.page-products .pd-band {
  padding-block: clamp(40px, 6vw, 78px);
  position: relative;
}
.page-products .pd-band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--edge-soft);
  position: relative;
}
.page-products .pd-band__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 0;
  background: var(--cyan);
  transition: width 600ms var(--ease), background 180ms var(--ease);
}
.page-products .pd-band:hover .pd-band__head::after {
  width: 100%;
  background: var(--orange);
}
.page-products .pd-band__no {
  color: var(--rock);
  font-size: 13px;
  letter-spacing: .16em;
}
.page-products .pd-band__title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 38px);
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--paper);
}
.page-products .pd-band__body {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(22px, 3vw, 36px);
}
.page-products .pd-band__text p {
  margin: 0 0 14px;
  color: var(--rock);
  font-size: 17px;
  line-height: 1.85;
  max-width: 62ch;
}
.page-products .pd-band__lede {
  color: var(--paper) !important;
}
.page-products .pd-band__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 64ch;
}
.page-products .pd-band__list li {
  position: relative;
  padding-left: 18px;
  color: var(--rock);
  font-size: 16px;
  line-height: 1.8;
}
.page-products .pd-band__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}
.page-products .pd-band__list strong {
  color: var(--paper);
  font-weight: 600;
}
.page-products .pd-band__list a {
  color: var(--cyan);
  text-underline-offset: 3px;
}
.page-products .pd-band__list a:hover {
  color: var(--orange);
}
.page-products .pd-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}
.page-products .pd-band__figure {
  margin: 0;
}
.page-products .pd-band__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--edge-soft);
}
.page-products .pd-band__figure--tall img {
  aspect-ratio: 4 / 5;
}
.page-products .pd-band__figure--wide img {
  aspect-ratio: 16 / 10;
}
.page-products .pd-band__figure--square img {
  aspect-ratio: 1 / 1;
}

/* 老用户区：米白画册 + 苔绿沉静调 */
.page-products .pd-band--returning {
  color: var(--ink);
}
.page-products .pd-band--returning .pd-band__wide {
  margin: 0 0 clamp(28px, 4vw, 46px);
}
.page-products .pd-band--returning .pd-band__wide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(14, 17, 48, .12);
}
.page-products .pd-band__head--moss {
  border-bottom-color: rgba(111, 169, 139, .45);
}
.page-products .pd-band--returning .pd-band__head::after {
  background: var(--moss);
}
.page-products .pd-band--returning:hover .pd-band__head::after {
  background: var(--moss);
  width: 100%;
}
.page-products .pd-band--returning .pd-band__no {
  color: var(--moss);
}
.page-products .pd-band--returning .pd-band__title {
  color: var(--ink);
}
.page-products .pd-band--returning .pd-band__text p {
  color: rgba(14, 17, 48, .74);
}
.page-products .pd-band--returning .pd-band__lede {
  color: var(--ink) !important;
}
.page-products .pd-band--returning .pd-band__list li {
  color: rgba(14, 17, 48, .74);
}
.page-products .pd-band--returning .pd-band__list li::before {
  background: var(--moss);
}
.page-products .pd-band--returning .pd-band__list strong {
  color: var(--ink);
}
.page-products .pd-band--returning .pd-band__list a {
  color: var(--teal-ink);
}
.page-products .pd-band--returning .pd-band__figure img {
  border-color: rgba(14, 17, 48, .12);
}
.page-products .pd-band--returning .figure__caption {
  color: rgba(14, 17, 48, .6);
}

/* 版本对照 */
.page-products .pd-versions {
  padding-block: clamp(40px, 6vw, 76px);
}
.page-products .pd-table-wrap {
  margin-top: clamp(22px, 3vw, 34px);
  overflow-x: auto;
  border: 1px solid var(--edge-soft);
}
.page-products .pd-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}
.page-products .pd-table__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  color: var(--rock);
  font-size: 13px;
  letter-spacing: .02em;
}
.page-products .pd-table th,
.page-products .pd-table td {
  text-align: left;
  padding: 14px;
  border-bottom: 1px solid var(--edge-soft);
  vertical-align: top;
}
.page-products .pd-table thead th {
  color: var(--paper);
  font-size: 13px;
  letter-spacing: .12em;
  background: var(--deep);
}
.page-products .pd-table tbody tr:nth-child(odd) {
  background: var(--tunnel);
}
.page-products .pd-table tbody tr {
  border-left: 2px solid transparent;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}
.page-products .pd-table tbody tr:hover {
  border-left-color: var(--orange);
  background: rgba(53, 240, 208, .06);
}
.page-products .pd-table tbody th {
  color: var(--cyan);
  font-weight: 600;
  white-space: nowrap;
}
.page-products .pd-table tbody td {
  color: var(--rock);
  line-height: 1.75;
}
.page-products .pd-versions__note {
  margin-top: 16px;
  color: var(--rock);
  font-size: 14px;
}
.page-products .pd-versions__note a,
.page-products .pd-back__more a {
  color: var(--cyan);
  text-underline-offset: 3px;
}
.page-products .pd-versions__note a:hover,
.page-products .pd-back__more a:hover {
  color: var(--orange);
}

/* 设备与网络 */
.page-products .pd-net {
  padding-block: clamp(40px, 6vw, 76px);
}
.page-products .pd-net__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  background: var(--edge-soft);
  border: 1px solid var(--edge-soft);
}
.page-products .pd-net__col {
  background: var(--ink);
  padding: clamp(20px, 3vw, 28px);
}
.page-products .pd-net__title {
  margin: 0 0 10px;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-products .pd-net__col p {
  margin: 0 0 14px;
  color: var(--rock);
  font-size: 16px;
  line-height: 1.8;
}
.page-products .pd-net__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .pd-net__figure {
  margin: clamp(24px, 3.5vw, 38px) 0 0;
}
.page-products .pd-net__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--edge-soft);
}

/* 折回路径 */
.page-products .pd-back {
  padding-block: clamp(40px, 6vw, 76px);
}
.page-products .pd-back__lede {
  margin: clamp(18px, 2.5vw, 28px) 0 0;
  max-width: 66ch;
  color: var(--rock);
  font-size: 17px;
  line-height: 1.85;
}
.page-products .pd-tabs {
  margin-top: clamp(20px, 3vw, 30px);
}
.page-products .pd-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-products .pd-tabs__tab {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: .06em;
  padding: 9px 18px;
  background: transparent;
  color: var(--rock);
  border: 1px solid var(--edge-soft);
  border-radius: 2px;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}
.page-products .pd-tabs__tab:hover {
  color: var(--orange);
  border-color: var(--orange);
}
.page-products .pd-tabs__tab[aria-selected="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(53, 240, 208, .08);
  box-shadow: var(--glow);
}
.page-products .pd-tabs__panel {
  margin-top: 16px;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--tunnel);
  border-left: 2px solid var(--cyan);
  border-radius: 2px;
}
.page-products .pd-tabs__panel + .pd-tabs__panel {
  margin-top: 12px;
}
.page-products .pd-tabs__title {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--paper);
  letter-spacing: -.01em;
}
.page-products .pd-tabs__panel p {
  margin: 0;
  color: var(--rock);
  font-size: 16px;
  line-height: 1.85;
  max-width: 66ch;
}
.page-products .pd-back__more {
  margin-top: clamp(20px, 3vw, 30px);
  color: var(--rock);
  font-size: 15px;
  line-height: 1.8;
}

/* 下一步 */
.page-products .pd-next {
  padding-block: clamp(36px, 5vw, 66px);
  color: var(--ink);
}
.page-products .pd-next__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -.02em;
  color: var(--ink);
}
.page-products .pd-next__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 28px);
}
.page-products .pd-next__card {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px);
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(14, 17, 48, .16);
  border-left: 2px solid var(--clay);
  background: transparent;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), transform 180ms var(--ease);
}
.page-products .pd-next__card:hover,
.page-products .pd-next__card:focus-visible {
  border-left-color: var(--orange);
  background: rgba(14, 17, 48, .04);
  transform: translateY(-2px);
}
.page-products .pd-next__no {
  color: var(--clay);
  font-size: 13px;
  letter-spacing: .16em;
}
.page-products .pd-next__name {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .pd-next__text {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(14, 17, 48, .68);
}

/* 响应式：桌面栅格 */
@media (min-width: 860px) {
  .page-products .pd-rules__list {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .pd-net__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .pd-next__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 980px) {
  .page-products .pd-band--new .pd-band__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
  .page-products .pd-band--tablet .pd-band__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-products .pd-band--returning .pd-band__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
  .page-products .pd-band__figure--tall img {
    aspect-ratio: 3 / 5;
  }
}

@media (max-width: 640px) {
  .page-products .pd-quick__link--signal {
    margin-left: 0;
  }
  .page-products .pd-hero__side {
    border-left: none;
    border-top: 2px solid var(--edge);
    padding-left: 0;
    padding-top: 12px;
  }
  .page-products .pd-table {
    min-width: 520px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-band__head::after,
  .page-products .pd-next__card,
  .page-products .pd-quick__link,
  .page-products .pd-rule,
  .page-products .pd-table tbody tr,
  .page-products .pd-tabs__tab {
    transition: none;
  }
  .page-products .pd-next__card:hover {
    transform: none;
  }
}