.page-products {
  --pd-line: #D7DEE9;
  --pd-stripe: #F1F4F9;
  --pd-soft-blue: #E9F1FF;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--step-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3,
.page-products h4 {
  line-height: 1.2;
}

.page-products .pd-wrap {
  width: 100%;
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-products .pd-topbar {
  padding-top: 18px;
}

.page-products .pd-note {
  margin: 18px 0 0;
  font-size: var(--step-note);
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding-block: 6px clamp(52px, 8vw, 96px);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 62%;
  background:
    linear-gradient(118deg, rgba(0, 102, 255, .17) 0%, rgba(0, 102, 255, 0) 56%),
    linear-gradient(302deg, rgba(255, 107, 53, .18) 0%, rgba(255, 107, 53, 0) 44%);
  pointer-events: none;
}

.page-products .pd-hero__inner {
  position: relative;
  padding-top: clamp(26px, 5vw, 54px);
}

.page-products .pd-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 12px;
  background: #fff;
  border: var(--brutal) solid var(--ink);
  box-shadow: var(--shadow-sm);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-products .pd-hero__title {
  margin: clamp(20px, 3vw, 32px) 0 0;
  font-size: var(--step-hero);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.03;
}

.page-products .pd-hero__title em {
  font-style: normal;
  color: var(--blue);
}

.page-products .pd-hero__lead {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 46ch;
  color: var(--muted-strong);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pd-hero__media {
  margin: clamp(32px, 5vw, 58px) 0 0;
}

/* ---------- 区块与标题 ---------- */
.page-products .pd-section {
  padding-block: clamp(48px, 7vw, 84px);
}

.page-products .pd-section--tight {
  padding-block: clamp(44px, 6vw, 72px);
}

.page-products .pd-section--loose {
  padding-block: clamp(64px, 10vw, 118px);
}

.page-products .pd-head {
  max-width: 780px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .pd-head__num {
  display: block;
  margin: 0 0 10px;
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-head__title {
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-products .pd-head__lead {
  margin: 0;
  max-width: 62ch;
  color: var(--muted-strong);
}

/* ---------- 媒体容器 ---------- */
.page-products .media {
  overflow: hidden;
}

.page-products .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 选型 ---------- */
.page-products .pd-picks {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-products .pd-pick {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(18px, 2.4vw, 26px);
  background: #fff;
  border: var(--brutal) solid var(--ink);
  box-shadow: var(--shadow-sm);
}

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

.page-products .pd-pick__title {
  margin: 0;
  font-weight: 800;
}

.page-products .pd-pick__text {
  margin: 0;
  color: var(--muted-strong);
}

.page-products .pd-pick__list {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-pick__list li {
  position: relative;
  padding-left: 18px;
  font-size: .9375rem;
}

.page-products .pd-pick__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 8px;
  background: var(--blue);
}

.page-products .pd-pick--wide {
  background: var(--pd-stripe);
}

.page-products .pd-pick__pairs {
  display: grid;
  gap: 18px;
}

.page-products .pd-pick__pair {
  border-left: 4px solid var(--blue);
  padding-left: 14px;
}

.page-products .pd-pick__pair h4 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 800;
}

.page-products .pd-pick__pair p {
  margin: 0;
  font-size: .9375rem;
  color: var(--muted-strong);
}

/* ---------- 参数表 ---------- */
.page-products .pd-table-wrap {
  border: var(--brutal) solid var(--ink);
  box-shadow: var(--shadow-md);
  background: #fff;
  overflow-x: auto;
}

.page-products .pd-table {
  width: 100%;
  min-width: 800px;
  border-collapse: collapse;
  font-size: .9375rem;
}

.page-products .pd-table caption {
  caption-side: bottom;
  padding: 14px 16px;
  font-size: .8125rem;
  color: var(--muted);
  text-align: left;
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--pd-line);
  white-space: nowrap;
}

.page-products .pd-table thead th {
  background: var(--ink);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  border-bottom: 0;
}

.page-products .pd-table tbody tr:nth-child(odd) {
  background: var(--pd-stripe);
}

.page-products .pd-table tbody tr:hover {
  background: var(--pd-soft-blue);
}

.page-products .pd-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pd-table .pd-num {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: right;
}

.page-products .pd-table .pd-cat {
  font-weight: 800;
  color: var(--blue-deep);
}

/* ---------- 三档保修 ---------- */
.page-products .pd-warranty__grid {
  display: grid;
  gap: 22px;
}

.page-products .pd-tiers {
  display: grid;
  gap: 16px;
}

.page-products .pd-tier {
  position: relative;
  padding: 24px 20px 20px;
  background: #fff;
  border: var(--brutal) solid var(--ink);
  box-shadow: var(--shadow-sm);
}

.page-products .pd-tier__band {
  display: block;
  height: 8px;
  margin: -24px -20px 16px;
  background: var(--blue-light);
}

.page-products .pd-tier--top .pd-tier__band {
  background: var(--orange);
}

.page-products .pd-tier--top {
  background: linear-gradient(180deg, #FFF2EA 0%, #FFFFFF 62%);
}

.page-products .pd-tier__name {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 800;
}

.page-products .pd-tier__months {
  margin: 8px 0 10px;
  font-size: clamp(2.25rem, 6vw, 3rem);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-products .pd-tier__unit {
  margin-left: 4px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
}

.page-products .pd-tier__desc {
  margin: 0;
  font-size: .9375rem;
  color: var(--muted-strong);
}

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

.page-products .pd-build {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(20px, 3vw, 30px);
  background: #fff;
  border: var(--brutal) solid var(--ink);
  box-shadow: var(--shadow-sm);
}

.page-products .pd-build__title {
  margin: 0 0 8px;
  font-weight: 800;
}

.page-products .pd-build__lead {
  margin: 0;
  max-width: 62ch;
  color: var(--muted-strong);
}

.page-products .pd-build__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-build__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-products .pd-build__no {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--blue);
  color: #fff;
  font-size: .875rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.page-products .pd-build__list strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
}

.page-products .pd-build__list p {
  margin: 4px 0 0;
  font-size: .9375rem;
  color: var(--muted-strong);
}

/* ---------- 质保条款折叠 ---------- */
.page-products .pd-terms {
  border-top: var(--brutal) solid var(--ink);
}

.page-products .pd-term {
  background: #fff;
  border-bottom: var(--brutal) solid var(--ink);
}

.page-products .pd-term__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 16px 16px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  font-weight: 800;
  border-left: 6px solid transparent;
}

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

.page-products .pd-term__summary::marker {
  content: "";
}

.page-products .pd-term[open] > .pd-term__summary {
  border-left-color: var(--blue);
  background: var(--pd-soft-blue);
  color: var(--blue-deep);
}

.page-products .pd-term__num {
  font-size: .8125rem;
  font-weight: 900;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-term__label {
  flex: 1 1 auto;
}

.page-products .pd-term__sign::before {
  content: "+";
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
}

.page-products .pd-term[open] .pd-term__sign::before {
  content: "\2212";
}

.page-products .pd-term__body {
  padding: 4px 20px 24px 20px;
  border-left: 6px solid var(--blue);
}

.page-products .pd-term__grid {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-term__row {
  display: grid;
  gap: 4px;
}

.page-products .pd-term__row dt {
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--blue-deep);
}

.page-products .pd-term__row dd {
  margin: 0;
  font-size: .9375rem;
  color: var(--muted-strong);
}

/* ---------- 保养时间轴 ---------- */
.page-products .pd-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  display: grid;
  border-left: var(--brutal) solid var(--ink);
}

.page-products .pd-tl {
  position: relative;
  padding: 0 0 28px 26px;
}

.page-products .pd-tl:last-child {
  padding-bottom: 4px;
}

.page-products .pd-tl::before {
  content: "";
  position: absolute;
  left: -9px;
  top: .5em;
  width: 14px;
  height: 14px;
  background: var(--paper);
  border: var(--brutal) solid var(--ink);
  border-radius: 50%;
}

.page-products .pd-tl__tick {
  margin: 0 0 4px;
  font-size: .8125rem;
  font-weight: 900;
  letter-spacing: .08em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-tl__title {
  margin: 0 0 4px;
  font-size: 1.0625rem;
  font-weight: 800;
}

.page-products .pd-tl__text {
  margin: 0;
  font-size: .9375rem;
  color: var(--muted-strong);
  max-width: 42ch;
}

.page-products .pd-care__figure {
  margin: clamp(30px, 5vw, 52px) 0 0;
}

/* ---------- 手册与档案 ---------- */
.page-products .pd-docs {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-products .pd-docs__text {
  margin: 0 0 18px;
  max-width: 62ch;
  color: var(--muted-strong);
}

.page-products .pd-docs__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pd-docs__list li {
  position: relative;
  padding-left: 20px;
  font-size: .9375rem;
}

.page-products .pd-docs__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 3px;
  background: var(--orange);
}

.page-products .pd-docs__aside {
  padding: 22px 20px;
  background: var(--ink);
  color: #fff;
  border: var(--brutal) solid var(--ink);
  box-shadow: var(--shadow-sm);
}

.page-products .pd-docs__aside-label {
  margin: 0 0 14px;
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--orange-soft);
}

.page-products .pd-docs__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: pdstep;
}

.page-products .pd-docs__steps li {
  font-size: .9375rem;
  line-height: 1.7;
  color: #DCE3EE;
}

.page-products .pd-docs__steps span {
  display: block;
  font-weight: 800;
  color: #fff;
  margin-bottom: 2px;
}

/* ---------- 行动入口 ---------- */
.page-products .pd-cta {
  padding-bottom: clamp(64px, 9vw, 110px);
}

.page-products .pd-cta__box {
  position: relative;
  padding: clamp(26px, 4vw, 48px);
  background: var(--blue-deep);
  color: #fff;
  border: var(--brutal) solid var(--ink);
  box-shadow: var(--shadow-md);
}

.page-products .pd-cta__title {
  margin: 0 0 12px;
  font-weight: 900;
  color: #fff;
}

.page-products .pd-cta__text {
  margin: 0 0 24px;
  max-width: 62ch;
  color: #D8E3F5;
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pd-btn-line {
  background: transparent;
  color: #fff;
  border-color: #fff;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, .35);
}

.page-products .pd-cta__links {
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  border-top: 1px solid rgba(255, 255, 255, .28);
}

.page-products .pd-cta__links a {
  color: #D8E3F5;
  font-size: .9375rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .pd-cta__links a:hover {
  color: #fff;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 700px) {
  .page-products .pd-term__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }

  .page-products .pd-term__row dt {
    padding-top: 2px;
  }
}

@media (min-width: 820px) {
  .page-products .pd-picks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pd-pick--wide {
    grid-column: 1 / -1;
  }

  .page-products .pd-pick__pairs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .pd-build__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-products .pd-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-left: 0;
    border-top: var(--brutal) solid var(--ink);
    padding-left: 0;
  }

  .page-products .pd-tl {
    padding: 32px 22px 0 0;
  }

  .page-products .pd-tl:last-child {
    padding-bottom: 0;
  }

  .page-products .pd-tl::before {
    left: 0;
    top: -9px;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    column-gap: 40px;
    align-items: end;
  }

  .page-products .pd-hero__eyebrow {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .page-products .pd-hero__title,
  .page-products .pd-hero__lead {
    grid-column: 1;
  }

  .page-products .pd-hero__actions {
    grid-column: 2;
    grid-row: 2 / span 2;
    align-self: end;
    justify-content: flex-end;
    margin-top: 0;
  }

  .page-products .pd-warranty__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    column-gap: 32px;
    align-items: start;
  }

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

  .page-products .pd-tier--base {
    min-height: 216px;
  }

  .page-products .pd-tier--mid {
    min-height: 246px;
  }

  .page-products .pd-tier--top {
    min-height: 276px;
  }

  .page-products .pd-docs {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .page-products .pd-cta__box {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    column-gap: 40px;
  }

  .page-products .pd-cta__title,
  .page-products .pd-cta__text {
    grid-column: 1;
  }

  .page-products .pd-cta__actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    justify-content: flex-end;
  }

  .page-products .pd-cta__links {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .page-products .pd-hero__title {
    font-size: clamp(2.25rem, 11vw, 3rem);
  }

  .page-products .pd-tier__months {
    font-size: 2.5rem;
  }

  .page-products .pd-cta__actions .btn {
    width: 100%;
    text-align: center;
  }
}
<<<END>>>