.page-products {
  --pp-gap: clamp(20px, 4vw, 44px);
  --pp-soft: rgba(46, 76, 112, .5);
  overflow-x: clip;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .container {
  position: relative;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-products .breadcrumb-link {
  color: var(--muted);
  text-decoration: none;
}

.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--cyan);
}

.page-products .breadcrumb-current {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .exp-hero {
  position: relative;
  padding: clamp(26px, 5vw, 54px) 0 clamp(30px, 5vw, 60px);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .exp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(46, 76, 112, .3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 76, 112, .3) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(120% 96% at 12% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(120% 96% at 12% 0%, #000 0%, transparent 70%);
  pointer-events: none;
}

.page-products .exp-hero::after {
  content: "";
  position: absolute;
  top: -12%;
  right: -18%;
  width: 62%;
  height: 78%;
  background: radial-gradient(circle at 60% 40%, rgba(53, 230, 212, .13), transparent 64%);
  pointer-events: none;
}

.page-products .exp-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .exp-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.1vw, 72px);
  line-height: 1.04;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-products .exp-hero h1 em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  color: var(--cyan);
  text-shadow: 0 0 28px rgba(53, 230, 212, .34);
}

.page-products .exp-hero .lede {
  margin-top: 20px;
  max-width: 44ch;
  color: var(--paper-dim);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-products .exp-coord {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 41, 74, .92), rgba(6, 16, 31, .62));
  padding: 16px 18px 8px;
  box-shadow: var(--shadow-panel);
}

.page-products .exp-coord__title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .exp-coord__row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(46, 76, 112, .7);
  font-size: 14px;
  color: var(--paper);
}

.page-products .exp-coord__row:last-child {
  border-bottom: 0;
}

.page-products .exp-coord__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .exp-meta {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .exp-meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 12px;
  border-top: 2px solid var(--line);
}

.page-products .exp-meta li:nth-child(1) { border-top-color: var(--cyan); }
.page-products .exp-meta li:nth-child(2) { border-top-color: var(--violet); }
.page-products .exp-meta li:nth-child(3) { border-top-color: var(--amber); }
.page-products .exp-meta li:nth-child(4) { border-top-color: var(--coral); }

.page-products .exp-meta__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-products .exp-meta__label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 通用小节头 ---------- */
.page-products .exp-sechead {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-products .exp-sechead .lede {
  margin-top: 14px;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 四端地图 ---------- */
.page-products .exp-map {
  padding: clamp(40px, 7vw, 84px) 0 clamp(10px, 2vw, 20px);
}

.page-products .exp-map__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .exp-map__item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num body"
    "tag tag";
  gap: 10px 18px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--line-soft);
  transition: background-color .3s var(--ease);
}

.page-products .exp-map__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .exp-map__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-products .exp-map__body {
  grid-area: body;
}

.page-products .exp-map__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .exp-map__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-products .exp-map__item .tag {
  grid-area: tag;
  justify-self: start;
}

/* ---------- 设备切换 ---------- */
.page-products .exp-switch-section {
  padding: clamp(38px, 6.5vw, 78px) 0 clamp(12px, 2vw, 22px);
}

.page-products .exp-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-products .exp-switch {
  position: relative;
}

.page-products .exp-switch__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 28, 54, .66);
}

.page-products .exp-tab {
  flex: 1 1 40%;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-cut);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  cursor: pointer;
  transition: color .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease);
  user-select: none;
}

.page-products .exp-tab__no {
  font-size: 11px;
  opacity: .72;
}

.page-products .exp-tab:hover {
  color: var(--paper);
  border-color: var(--line);
}

.page-products #view-mobile:checked ~ .exp-switch__nav [for="view-mobile"],
.page-products #view-tablet:checked ~ .exp-switch__nav [for="view-tablet"],
.page-products #view-desktop:checked ~ .exp-switch__nav [for="view-desktop"],
.page-products #view-fold:checked ~ .exp-switch__nav [for="view-fold"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.page-products #view-mobile:focus-visible ~ .exp-switch__nav [for="view-mobile"],
.page-products #view-tablet:focus-visible ~ .exp-switch__nav [for="view-tablet"],
.page-products #view-desktop:focus-visible ~ .exp-switch__nav [for="view-desktop"],
.page-products #view-fold:focus-visible ~ .exp-switch__nav [for="view-fold"] {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products .exp-switch__panels {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-products .exp-panel {
  display: none;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 34px);
  animation: pp-fade .45s var(--ease) both;
}

.page-products #view-mobile:checked ~ .exp-switch__panels #panel-mobile,
.page-products #view-tablet:checked ~ .exp-switch__panels #panel-tablet,
.page-products #view-desktop:checked ~ .exp-switch__panels #panel-desktop,
.page-products #view-fold:checked ~ .exp-switch__panels #panel-fold {
  display: grid;
}

@keyframes pp-fade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .exp-shot {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(170deg, rgba(18, 41, 74, .9), rgba(6, 16, 31, .9));
  box-shadow: var(--shadow-panel), 0 0 0 1px rgba(53, 230, 212, .14) inset;
}

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

.page-products .exp-panel__text h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--paper);
}

.page-products .exp-panel__text p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-products .exp-steps {
  counter-reset: pp-step;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .exp-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  color: var(--paper);
  padding: 9px 12px;
  border-left: 2px solid var(--line);
  background: rgba(18, 41, 74, .34);
  border-radius: 0 var(--radius-cut) var(--radius-cut) 0;
}

.page-products .exp-steps li::before {
  counter-increment: pp-step;
  content: counter(pp-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- 分类结构 ---------- */
.page-products .exp-structure {
  padding: clamp(40px, 7vw, 84px) 0 clamp(10px, 2vw, 20px);
}

.page-products .exp-structure__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
}

.page-products .exp-structure__main .lede {
  margin: 14px 0 0;
  max-width: 52ch;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.85;
}

.page-products .exp-layers {
  position: relative;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-products .exp-layers::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), var(--line));
}

.page-products .exp-layers li {
  position: relative;
}

.page-products .exp-layers li::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--ink-900);
}

.page-products .exp-layers__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
  margin-bottom: 4px;
}

.page-products .exp-layers h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .exp-layers p {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-products .exp-sorts {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(175deg, rgba(18, 41, 74, .72), rgba(8, 21, 42, .5));
  padding: clamp(18px, 2.6vw, 26px);
  box-shadow: var(--shadow-panel);
  align-self: start;
}

.page-products .exp-sorts__title {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .exp-sorts ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-products .exp-sorts li {
  display: grid;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(46, 76, 112, .7);
}

.page-products .exp-sorts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .exp-sorts .tag {
  justify-self: start;
}

.page-products .exp-sorts p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

/* ---------- 记录与同步 ---------- */
.page-products .exp-records {
  padding: clamp(40px, 7vw, 84px) 0 clamp(10px, 2vw, 20px);
}

.page-products .exp-records__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .exp-records__card {
  padding: clamp(18px, 2.6vw, 26px);
}

.page-products .exp-records__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--paper);
}

.page-products .exp-records__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-products .exp-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .exp-figures li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border-left: 3px solid var(--amber);
  background: rgba(18, 41, 74, .38);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-products .exp-figures li:first-child { border-left-color: var(--cyan); }
.page-products .exp-figures li:last-child { border-left-color: var(--violet); }

.page-products .exp-figures__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-products .exp-figures__txt {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 案例卷轴 ---------- */
.page-products .exp-cases {
  padding: clamp(40px, 7vw, 84px) 0 clamp(10px, 2vw, 20px);
}

.page-products .exp-cases__cover {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
  background: rgba(8, 21, 42, .8);
}

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

.page-products .exp-reel {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(238px, 82%);
  gap: 14px;
  margin-top: 18px;
  padding: 4px 3px 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .exp-reel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .exp-reel::-webkit-scrollbar {
  height: 6px;
}

.page-products .exp-reel::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}

.page-products .exp-case {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(172deg, rgba(18, 41, 74, .88), rgba(8, 21, 42, .72));
  box-shadow: 0 0 0 1px rgba(53, 230, 212, .12), 0 20px 42px -32px rgba(0, 0, 0, .95);
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}

.page-products .exp-case:hover {
  box-shadow: 0 0 0 1px rgba(53, 230, 212, .4), var(--glow-cyan), 0 24px 46px -32px rgba(0, 0, 0, .95);
  transform: translateY(-2px);
}

.page-products .exp-case__ui {
  display: grid;
  gap: 6px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(to right, rgba(46, 76, 112, .34) 1px, transparent 1px) 0 0 / 26px 26px,
    rgba(6, 16, 31, .74);
  border: 1px solid rgba(46, 76, 112, .6);
}

.page-products .exp-case__ui span {
  display: block;
  height: 6px;
  border-radius: 3px;
  background: rgba(143, 166, 192, .34);
}

.page-products .exp-case__ui span:nth-child(1) { width: 76%; background: rgba(53, 230, 212, .5); }
.page-products .exp-case__ui span:nth-child(2) { width: 54%; }
.page-products .exp-case__ui span:nth-child(3) { width: 64%; background: rgba(245, 180, 91, .42); }

.page-products .exp-case .tag {
  justify-self: start;
  align-self: flex-start;
}

.page-products .exp-case h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .exp-case p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--paper-dim);
}

/* ---------- 下一步 ---------- */
.page-products .exp-next {
  padding: clamp(40px, 7vw, 84px) 0 0;
}

.page-products .exp-next__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 36px);
  padding: clamp(22px, 3.6vw, 40px);
}

.page-products .exp-next__lead .lede {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-products .exp-next__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  align-content: start;
}

.page-products .exp-next__link {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .exp-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .exp-map__item {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "num .page-products tag";
    align-items: start;
  }

  .page-products .exp-map__item .tag {
    align-self: start;
  }

  .page-products .exp-tab {
    flex: 1 1 auto;
  }

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

  .page-products .exp-reel {
    grid-auto-columns: minmax(250px, 46%);
  }
}

@media (min-width: 900px) {
  .page-products .exp-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, .78fr);
    align-items: end;
  }

  .page-products .exp-panel {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-products .exp-structure__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .8fr);
    align-items: start;
  }

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

  .page-products .exp-next__panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, .7fr);
    align-items: center;
  }

  .page-products .exp-reel {
    grid-auto-columns: minmax(270px, 31%);
  }
}

@media (min-width: 1180px) {
  .page-products .exp-hero h1 {
    max-width: 15ch;
  }

  .page-products .exp-switch__nav {
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .exp-panel {
    animation: none;
  }

  .page-products .exp-case,
  .page-products .exp-tab {
    transition: none;
  }

  .page-products .exp-case:hover {
    transform: none;
  }
}
<<<END>>>