.page-products {
  --pt-gap: clamp(16px, 2.4vw, 26px);
  --pt-pad: clamp(18px, 2.8vw, 30px);
  --pt-rule: rgba(159, 176, 200, .20);
}

.page-products .section {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-products .pt-crumb {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products .pt-sr {
  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;
}

/* ---------- 首屏 ---------- */
.page-products .pt-hero {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-products .pt-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-products .pt-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 74px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--white);
  transform: skewX(-1.4deg);
  transform-origin: left bottom;
}

.page-products .pt-hero__intro {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pt-hero__cta {
  margin-top: 26px;
}

.page-products .pt-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 48px);
  margin: 30px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--pt-rule);
}

.page-products .pt-hero__stat dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-products .pt-hero__stat dd {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--cyan);
  line-height: 1.1;
}

.page-products .pt-hero__frame {
  position: relative;
}

.page-products .pt-device {
  position: relative;
  padding: 10px;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background: var(--ink-800);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
}

.page-products .pt-device::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 70px;
  height: 70px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  border-top-right-radius: 26px;
  opacity: .85;
  pointer-events: none;
}

.page-products .pt-device img {
  width: 100%;
  border-radius: 18px;
  object-fit: cover;
}

.page-products .pt-hero__frame .media-caption {
  margin: 12px 2px 0;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 设备入口 ---------- */
.page-products .pt-devices__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pt-gap);
}

.page-products .pt-device-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--pt-pad);
  border: 1px solid var(--pt-rule);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  transition: border-color var(--ease-std), transform var(--ease-std);
}

.page-products .pt-device-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-products .pt-device-card__shape {
  display: flex;
  align-items: center;
  height: 82px;
}

.page-products .pt-shape {
  display: block;
  border: 1px solid var(--cyan-deep);
  background-color: var(--ink-700);
  background-repeat: no-repeat;
}

.page-products .pt-shape--phone {
  width: 42px;
  height: 74px;
  border-radius: 9px;
  background-image:
    linear-gradient(var(--cyan) 0 0),
    linear-gradient(var(--mist) 0 0),
    linear-gradient(var(--orange) 0 0);
  background-size: 20px 3px, 26px 2px, 14px 6px;
  background-position: 7px 12px, 7px 22px, 7px 54px;
}

.page-products .pt-shape--tablet {
  width: 88px;
  height: 62px;
  border-radius: 6px;
  background-image:
    linear-gradient(var(--cyan) 0 0),
    linear-gradient(var(--mist) 0 0),
    linear-gradient(var(--mist) 0 0),
    linear-gradient(var(--orange) 0 0);
  background-size: 32px 3px, 60px 2px, 48px 2px, 20px 8px;
  background-position: 9px 11px, 9px 21px, 9px 29px, 9px 44px;
}

.page-products .pt-shape--desktop {
  width: 98px;
  height: 58px;
  border-radius: 4px;
  background-image:
    linear-gradient(var(--cyan) 0 0),
    linear-gradient(var(--mist) 0 0),
    linear-gradient(var(--mist) 0 0),
    linear-gradient(var(--orange) 0 0);
  background-size: 36px 3px, 66px 2px, 52px 2px, 22px 8px;
  background-position: 11px 10px, 11px 20px, 11px 28px, 11px 42px;
  box-shadow: 0 6px 0 -5px var(--cyan-deep);
}

.page-products .pt-device-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.35;
  color: var(--white);
}

.page-products .pt-device-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pt-device-card__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pt-rule);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- 截图容器 ---------- */
.page-products .pt-shot {
  margin: 0;
  border: 1px solid var(--pt-rule);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-800);
}

.page-products .pt-shot img {
  width: 100%;
  object-fit: cover;
}

/* ---------- 对照表 ---------- */
.page-products .pt-compare__shot {
  margin-bottom: var(--pt-gap);
}

.page-products .pt-cmp {
  border: 1px solid var(--pt-rule);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .pt-cmp__filters {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px clamp(14px, 2.4vw, 22px);
  border-bottom: 1px solid var(--pt-rule);
  background: var(--ink-700);
}

.page-products .pt-cmp__filters label {
  padding: 7px 13px;
  border: 1px solid var(--pt-rule);
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--mist);
  cursor: pointer;
  transition: color var(--ease-std), border-color var(--ease-std), background var(--ease-std);
}

.page-products .pt-cmp__filters label:hover {
  color: var(--white);
  border-color: var(--cyan-deep);
}

.page-products .pt-cmp__filters input:checked + label {
  color: var(--on-signal);
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .pt-cmp__filters input:focus-visible + label {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-products .pt-cmp__count {
  margin: 0;
  padding: 11px clamp(14px, 2.4vw, 22px);
  border-bottom: 1px solid var(--pt-rule);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-products .pt-cmp__rows {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pt-cmp-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 16px clamp(14px, 2.4vw, 22px);
  border-bottom: 1px solid var(--pt-rule);
  transition: background var(--ease-std);
}

.page-products .pt-cmp-row:last-child {
  border-bottom: 0;
}

.page-products .pt-cmp-row:hover {
  background: var(--tint-cyan);
}

.page-products .pt-cmp-row__no {
  font-size: 13px;
  line-height: 1.7;
  color: var(--cyan-deep);
}

.page-products .pt-cmp-row__body {
  min-width: 0;
}

.page-products .pt-cmp-row__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}

.page-products .pt-cmp-row__desc {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products:has(#cmp-cat-install:checked) .pt-cmp-row:not([data-cat="install"]),
.page-products:has(#cmp-cat-layout:checked) .pt-cmp-row:not([data-cat="layout"]),
.page-products:has(#cmp-cat-filter:checked) .pt-cmp-row:not([data-cat="filter"]),
.page-products:has(#cmp-cat-tablet:checked) .pt-cmp-row:not([data-cat="tablet"]),
.page-products:has(#cmp-cat-library:checked) .pt-cmp-row:not([data-cat="library"]),
.page-products:has(#cmp-cat-account:checked) .pt-cmp-row:not([data-cat="account"]) {
  display: none;
}

.page-products .pt-cmp__count-out::after { content: "当前显示：全部 12 项改动"; }
.page-products:has(#cmp-cat-install:checked) .pt-cmp__count-out::after { content: "当前显示：下载安装 · 2 项"; }
.page-products:has(#cmp-cat-layout:checked) .pt-cmp__count-out::after { content: "当前显示：首页布局 · 2 项"; }
.page-products:has(#cmp-cat-filter:checked) .pt-cmp__count-out::after { content: "当前显示：战绩筛选 · 2 项"; }
.page-products:has(#cmp-cat-tablet:checked) .pt-cmp__count-out::after { content: "当前显示：平板阅读 · 2 项"; }
.page-products:has(#cmp-cat-library:checked) .pt-cmp__count-out::after { content: "当前显示：资料库路径 · 2 项"; }
.page-products:has(#cmp-cat-account:checked) .pt-cmp__count-out::after { content: "当前显示：账号与隐私 · 2 项"; }

/* ---------- 下载步骤 ---------- */
.page-products .pt-download__shot {
  margin-bottom: var(--pt-gap);
}

.page-products .pt-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .pt-step__box {
  border: 1px solid var(--pt-rule);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color var(--ease-std);
}

.page-products .pt-step__box[open] {
  border-color: var(--line-strong);
}

.page-products .pt-step__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px clamp(14px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
}

.page-products .pt-step__summary::-webkit-details-marker {
  display: none;
}

.page-products .pt-step__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pt-step__box[open] .pt-step__summary::after {
  content: "−";
  color: var(--orange);
}

.page-products .pt-step__summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.page-products .pt-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--tint-orange);
  border: 1px solid var(--orange-deep);
  font-size: 13px;
  color: var(--orange);
}

.page-products .pt-step__title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
}

.page-products .pt-step__body {
  padding: 0 clamp(14px, 2.4vw, 22px) 18px;
}

.page-products .pt-step__body p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--pt-rule);
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 平板阅读 ---------- */
.page-products .pt-preview {
  border: 1px solid var(--pt-rule);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .pt-preview__tabs {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px clamp(14px, 2.4vw, 22px);
  border-bottom: 1px solid var(--pt-rule);
  background: var(--ink-700);
}

.page-products .pt-preview__tabs label {
  padding: 7px 14px;
  border: 1px solid var(--pt-rule);
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--mist);
  cursor: pointer;
  transition: color var(--ease-std), border-color var(--ease-std), background var(--ease-std);
}

.page-products .pt-preview__tabs label:hover {
  color: var(--white);
  border-color: var(--cyan-deep);
}

.page-products .pt-preview__tabs input:checked + label {
  color: var(--on-signal);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pt-preview__tabs input:focus-visible + label {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-products .pt-preview__stage {
  display: grid;
  gap: 0;
}

.page-products .pt-tablet__shot {
  border: 0;
  border-bottom: 1px solid var(--pt-rule);
  border-radius: 0;
}

.page-products .pt-preview__panel {
  padding: var(--pt-pad);
}

.page-products .pt-preview__panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.4;
  color: var(--white);
}

.page-products .pt-preview__panel p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pt-preview__panel--wide {
  display: none;
}

.page-products:has(#pv-wide:checked) .pt-preview__panel--tablet {
  display: none;
}

.page-products:has(#pv-wide:checked) .pt-preview__panel--wide {
  display: block;
}

/* ---------- 资料库 ---------- */
.page-products .pt-lib__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pt-gap);
  align-items: start;
}

.page-products .pt-lib__shot {
  order: -1;
}

.page-products .pt-lib__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pt-lib__chip {
  padding: 6px 12px;
  border: 1px solid var(--cyan-deep);
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: .03em;
  color: var(--cyan);
  background: var(--tint-cyan);
}

.page-products .pt-lib__body p {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pt-lib__facts {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pt-lib__facts li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pt-lib__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 2px;
  background: var(--orange);
}

.page-products .pt-lib__facts .num {
  font-family: var(--font-num);
  color: var(--white);
}

.page-products .pt-lib__more {
  padding-top: 16px;
  border-top: 1px solid var(--pt-rule);
}

.page-products .pt-lib__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-deep);
  transition: color var(--ease-std), border-color var(--ease-std);
}

.page-products .pt-lib__more a:hover {
  color: var(--white);
  border-color: var(--white);
}

/* ---------- 版本时间线 ---------- */
.page-products .pt-timeline {
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  display: grid;
  gap: 22px;
  border-left: 1px solid var(--line-strong);
}

.page-products .pt-timeline__item {
  position: relative;
  min-width: 0;
}

.page-products .pt-timeline__dot {
  position: absolute;
  left: -27px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .15);
}

.page-products .pt-timeline__item:last-child .pt-timeline__dot {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 44, .18);
}

.page-products .pt-timeline__date {
  display: block;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .pt-timeline__item:last-child .pt-timeline__date {
  color: var(--orange);
}

.page-products .pt-timeline__text {
  margin: 8px 0 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 支持出口 ---------- */
.page-products .pt-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pt-gap);
}

.page-products .pt-help__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--pt-pad);
  border: 1px solid var(--pt-rule);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  text-decoration: none;
  transition: border-color var(--ease-std), transform var(--ease-std), background var(--ease-std);
}

.page-products .pt-help__card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
  background: var(--ink-700);
}

.page-products .pt-help__card:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-products .pt-help__kicker {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-products .pt-help__card-title {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.42;
  color: var(--white);
}

.page-products .pt-help__card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pt-help__contact {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pt-rule);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pt-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pt-help__card:first-child {
    grid-column: span 2;
  }
}

@media (min-width: 760px) {
  .page-products .pt-devices__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pt-cmp-row {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 4px 18px;
  }

  .page-products .pt-preview__stage {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .pt-tablet__shot {
    border-bottom: 0;
    border-right: 1px solid var(--pt-rule);
  }
}

@media (min-width: 900px) {
  .page-products .pt-lib__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
  }

  .page-products .pt-lib__shot {
    order: 0;
  }

  .page-products .pt-timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
    padding: 30px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-strong);
  }

  .page-products .pt-timeline__dot {
    left: 0;
    top: -35px;
  }

  .page-products .pt-timeline__text {
    max-width: none;
  }

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

  .page-products .pt-help__card:first-child {
    grid-column: auto;
  }
}

@media (min-width: 1024px) {
  .page-products .pt-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-products .pt-hero__frame {
    margin-top: 6px;
  }

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

  .page-products .pt-cmp-row {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .page-products .pt-compare__shot,
  .page-products .pt-download__shot {
    margin-bottom: calc(var(--pt-gap) * 1.2);
  }
}
<<<END>>>