.page-products {
  --pd-cut: 18px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.85;
}

/* ============ 首屏 ============ */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: 26px 20px 32px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(720px 340px at 92% -14%, rgba(76, 141, 255, .3), transparent 68%),
    linear-gradient(112deg, transparent 46%, rgba(29, 78, 216, .16) 46%, rgba(29, 78, 216, .16) 56%, transparent 56%);
}

.page-products .pd-hero__inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-products .pd-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  font-size: 13px;
  color: rgba(245, 241, 232, .6);
}

.page-products .pd-crumbs a {
  color: rgba(245, 241, 232, .8);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(76, 141, 255, .45);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-products .pd-crumbs a:hover,
.page-products .pd-crumbs a:focus-visible {
  color: var(--card);
  border-bottom-color: var(--orange);
}

.page-products .pd-hero__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--blue-bright);
}

.page-products .pd-hero__title {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(27px, 6vw, 48px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .pd-hero__lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(245, 241, 232, .8);
}

/* 五步横向缩略条 */
.page-products .pd-strip {
  list-style: none;
  display: flex;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0 0 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pd-strip::-webkit-scrollbar {
  display: none;
}

.page-products .pd-strip__item {
  position: relative;
  flex: 0 0 auto;
}

.page-products .pd-strip__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  width: 14px;
  border-top: 1px dashed rgba(76, 141, 255, .6);
}

.page-products .pd-strip__link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 110px;
  padding: 12px 14px;
  background: rgba(11, 37, 69, .72);
  border: 1px solid rgba(76, 141, 255, .32);
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: border-color var(--dur) ease, background var(--dur) ease, transform var(--dur) ease;
}

.page-products .pd-strip__link:hover,
.page-products .pd-strip__link:focus-visible {
  border-color: var(--orange);
  background: rgba(242, 118, 27, .18);
  transform: translateX(2px);
}

.page-products .pd-strip__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-products .pd-strip__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
}

/* ============ 主体框架 ============ */
.page-products .pd-frame {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 20px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pd-index {
  display: flex;
  gap: 8px;
  margin: 0 0 10px;
  padding: 0 0 12px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.page-products .pd-index::-webkit-scrollbar {
  display: none;
}

.page-products .pd-index__link {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex: 0 0 auto;
  padding: 7px 10px;
  font-size: 13.5px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  background: var(--card);
  border: 1px solid var(--line);
  transition: color var(--dur) ease, border-color var(--dur) ease, background var(--dur) ease;
}

.page-products .pd-index__no {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--gray);
  letter-spacing: .06em;
}

.page-products .pd-index__link:hover,
.page-products .pd-index__link:focus-visible,
.page-products .pd-index__link.is-current {
  color: var(--blue);
  border-color: var(--blue-bright);
}

.page-products .pd-index__link.is-current .pd-index__no {
  color: var(--orange);
}

/* ============ 章节通用 ============ */
.page-products .pd-sec {
  padding: 40px 0 0;
  scroll-margin-top: 16px;
}

.page-products .pd-sec:first-child {
  padding-top: 14px;
}

.page-products .pd-sec + .pd-sec {
  margin-top: 36px;
  border-top: 1px dashed var(--line);
}

.page-products .pd-sec__head {
  margin: 0;
}

.page-products .pd-sec__head .label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray);
}

.page-products .pd-sec__head .label__no {
  color: var(--blue);
  font-family: var(--font-num);
}

.page-products .pd-sec__head .label__bar {
  width: 16px;
  height: 2px;
  background: var(--blue-bright);
}

.page-products .pd-sec__title {
  margin: 12px 0 0;
  max-width: 26ch;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 2.7vw, 27px);
  line-height: 1.36;
  letter-spacing: -.005em;
  color: var(--ink);
}

.page-products .pd-sec__note {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* 配图 */
.page-products .pd-fig {
  margin: 28px 0 0;
  padding: 0;
}

.page-products .pd-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--card);
  object-fit: contain;
}

.page-products .pd-fig__cap {
  margin: 10px 0 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--gray);
}

/* ============ 01 服务品类 ============ */
.page-products .pd-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.page-products .pd-cat {
  padding: 22px 20px 20px;
  background: var(--card);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, 0 100%);
  transition: border-color var(--dur) ease;
}

.page-products .pd-cat:hover {
  --pd-cut: 10px;
  border-color: var(--blue-bright);
}

.page-products .pd-cat__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--blue);
}

.page-products .pd-cat__title {
  margin: 6px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pd-cat__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pd-cat__prep {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--gray);
}

.page-products .pd-cat__prep-label {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12.5px;
  color: var(--ink-2);
}

/* ============ 02 预约流程 ============ */
.page-products .pd-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-products .pd-flow__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-top: 1px dashed var(--line);
  scroll-margin-top: 24px;
}

.page-products .pd-flow__item:last-child {
  border-bottom: 1px dashed var(--line);
}

.page-products .pd-flow__no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--card);
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-products .pd-flow__item:first-child .pd-flow__no {
  background: var(--orange);
}

.page-products .pd-flow__body {
  min-width: 0;
}

.page-products .pd-flow__title {
  margin: 6px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}

.page-products .pd-flow__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .pd-flow__points {
  list-style: none;
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
}

.page-products .pd-flow__points li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .pd-flow__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 1px;
  background: var(--blue-bright);
}

/* ============ 03 常用入口分组 ============ */
.page-products .pd-cn {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-products .pd-group {
  background: var(--card);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .pd-group__sum {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}

.page-products .pd-group__sum::-webkit-details-marker {
  display: none;
}

.page-products .pd-group__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--blue);
}

.page-products .pd-group[open] .pd-group__sum::after {
  content: "–";
}

.page-products .pd-group__bar {
  width: 4px;
  height: 18px;
  flex: 0 0 auto;
}

.page-products .pd-group__bar--entry {
  background: var(--orange);
}

.page-products .pd-group__bar--query {
  background: var(--blue-bright);
}

.page-products .pd-group__bar--after {
  background: var(--mint);
}

.page-products .pd-group__count {
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 400;
  color: var(--gray);
  padding: 2px 8px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .pd-group__body {
  padding: 0 18px 18px;
}

.page-products .pd-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .pd-chips li {
  padding: 7px 12px;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  transition: border-color var(--dur) ease, color var(--dur) ease;
}

.page-products .pd-chips li:hover {
  border-color: var(--blue-bright);
  color: var(--blue);
}

.page-products .pd-group__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}

/* ============ 04 终端适配 ============ */
.page-products .pd-devices {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
}

.page-products .pd-device {
  padding: 16px 16px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 2px solid var(--ink-2);
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.page-products .pd-device:hover {
  border-top-color: var(--orange);
  transform: translateX(2px);
}

.page-products .pd-device__no {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--blue);
}

.page-products .pd-device__name {
  margin: 4px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.45;
  color: var(--ink);
}

.page-products .pd-device__text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--gray);
}

/* ============ 05 服务承接 ============ */
.page-products .pd-dispatch {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-products .pd-stage {
  position: relative;
  padding: 18px 18px 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  transition: border-left-color var(--dur) ease;
}

.page-products .pd-stage:hover {
  border-left-color: var(--orange);
}

.page-products .pd-stage__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray);
}

.page-products .pd-stage__title {
  margin: 6px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink-2);
}

.page-products .pd-stage__text {
  margin: 8px 0 0;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--ink);
}

/* ============ 06 典型场景 ============ */
.page-products .pd-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.page-products .pd-scene {
  padding: 22px 20px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, 0 100%);
}

.page-products .pd-scene__tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--card);
  background: var(--ink-2);
}

.page-products .pd-scene__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.42;
  color: var(--ink);
}

.page-products .pd-scene__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pd-scene__path {
  list-style: none;
  counter-reset: pd-scene;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 8px;
}

.page-products .pd-scene__path li {
  position: relative;
  counter-increment: pd-scene;
  padding-left: 30px;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--gray);
}

.page-products .pd-scene__path li::before {
  content: counter(pd-scene, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--mint);
}

/* ============ 07 下一步 ============ */
.page-products .pd-next__list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .pd-next__item {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  transition: border-left-color var(--dur) ease, transform var(--dur) ease;
}

.page-products .pd-next__item:hover {
  border-left-color: var(--orange);
  transform: translateX(2px);
}

.page-products .pd-next__link {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) ease;
  justify-self: start;
}

.page-products .pd-next__link:hover,
.page-products .pd-next__link:focus-visible {
  border-bottom-color: var(--orange);
}

.page-products .pd-next__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--gray);
}

/* ============ 平板 ============ */
@media (min-width: 680px) {
  .page-products .pd-hero {
    padding: 34px 28px 40px;
  }

  .page-products .pd-frame {
    padding: 30px 28px 72px;
  }

  .page-products .pd-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pd-cats > .pd-cat:nth-child(even) {
    margin-top: 28px;
  }

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

  .page-products .pd-dispatch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ============ 桌面 ============ */
@media (min-width: 900px) {
  .page-products .pd-frame {
    grid-template-columns: 138px minmax(0, 1fr);
    gap: 46px;
    padding: 52px 28px 96px;
  }

  .page-products .pd-index {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
    position: sticky;
    top: 22px;
    align-self: start;
    margin: 0;
    padding: 0;
    border-bottom: 0;
  }

  .page-products .pd-index__link {
    padding: 8px 0 8px 12px;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
  }

  .page-products .pd-index__link:hover,
  .page-products .pd-index__link:focus-visible,
  .page-products .pd-index__link.is-current {
    background: transparent;
    border-left-color: var(--orange);
    color: var(--blue);
  }

  .page-products .pd-sec {
    padding-top: 48px;
  }

  .page-products .pd-sec:first-child {
    padding-top: 0;
  }

  .page-products .pd-sec + .pd-sec {
    margin-top: 44px;
  }

  .page-products .pd-flow__item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    padding: 26px 0;
  }

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

  .page-products .pd-scenes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pd-scene:nth-child(1) {
    grid-column: 1 / 8;
  }

  .page-products .pd-scene:nth-child(2) {
    grid-column: 8 / 13;
    margin-top: 36px;
  }

  .page-products .pd-scene:nth-child(3) {
    grid-column: 3 / 12;
    margin-top: 20px;
  }
}

/* ============ 宽屏 ============ */
@media (min-width: 1120px) {
  .page-products .pd-dispatch {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-dispatch > .pd-stage:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 36px;
    right: -12px;
    width: 8px;
    border-top: 1px dashed var(--blue-bright);
  }

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

  .page-products .pd-next__item:first-child {
    grid-column: 1 / -1;
  }
}

/* ============ 动效偏好 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-products .pd-strip__link,
  .page-products .pd-index__link,
  .page-products .pd-cat,
  .page-products .pd-device,
  .page-products .pd-stage,
  .page-products .pd-next__item,
  .page-products .pd-chips li,
  .page-products .pd-crumbs a,
  .page-products .pd-next__link {
    transition: none;
  }

  .page-products .pd-strip__link:hover,
  .page-products .pd-device:hover,
  .page-products .pd-next__item:hover {
    transform: none;
  }
}