.page-products {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-top: calc(var(--header-h) + clamp(1.6rem, 5vw, 3rem));
  padding-bottom: clamp(2.2rem, 6vw, 4rem);
  background:
    radial-gradient(90% 80% at 92% 4%, rgba(201, 169, 106, 0.26), transparent 62%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
  margin-top: clamp(1.2rem, 3vw, 2rem);
  align-items: center;
}

.page-products .pd-hero__title {
  margin: 0.7rem 0 0.9rem;
  font-family: var(--font-title);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.01em;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  color: var(--ink);
  text-wrap: balance;
}

.page-products .pd-hero__copy .type-lede {
  max-width: 36ch;
  color: var(--ink-2);
  line-height: 1.8;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-products .pd-frame {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 20px 46px -34px rgba(15, 34, 51, 0.55);
}

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

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* ---------- 主体两栏 ---------- */
.page-products .pd-layout {
  display: block;
  padding-top: clamp(2rem, 5vw, 3.2rem);
  padding-bottom: clamp(2rem, 5vw, 3.2rem);
}

.page-products .pd-index {
  position: relative;
  margin-bottom: 1.6rem;
}

.page-products .pd-index__head {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-products .pd-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-products .pd-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.42rem 0.55rem;
  border-radius: var(--r-pill);
  color: var(--ink);
  font-size: 0.86rem;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pd-index__list a:hover {
  background: var(--sand-soft);
}

.page-products .pd-index__list a:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}

.page-products .pd-index__num {
  min-width: 1.5rem;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--sand);
}

@media (min-width: 960px) {
  .page-products .pd-layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 3.6rem);
    align-items: start;
  }

  .page-products .pd-index {
    position: sticky;
    top: calc(var(--header-h) + 1.4rem);
    margin-bottom: 0;
  }
}

/* ---------- 章节 ---------- */
.page-products .pd-sec {
  padding: clamp(1.8rem, 4.5vw, 2.8rem) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

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

.page-products .pd-sec__head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.5rem;
}

.page-products .pd-sec__num {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1;
  color: var(--sand);
}

.page-products .pd-sec__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 400;
  font-size: clamp(1.3rem, 2.7vw, 1.85rem);
  color: var(--ink);
}

.page-products .pd-sec__lede {
  margin: 0 0 1.4rem;
  max-width: 42ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 编号卡片矩阵 ---------- */
.page-products .pd-cards {
  display: grid;
  gap: 0.8rem;
}

.page-products .pd-card {
  background: var(--white);
  border-radius: var(--r-md);
  padding: clamp(0.95rem, 2.2vw, 1.35rem);
}

.page-products .pd-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

.page-products .pd-card__num {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--sand);
}

.page-products .pd-card__title {
  margin: 0 0 0.45rem;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 1.08rem;
  color: var(--ink);
}

.page-products .pd-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--slate);
}

@media (min-width: 640px) {
  .page-products .pd-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 编号结构 ---------- */
.page-products .pd-parts {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 1.2rem;
}

.page-products .pd-part {
  background: var(--paper-2);
  border-radius: var(--r-md);
  padding: 1rem 1.1rem;
}

.page-products .pd-part__key {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--clay);
}

.page-products .pd-part p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-products .pd-sample {
  display: grid;
  gap: 0.6rem;
  justify-items: start;
  margin-bottom: 1.2rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border-radius: var(--r-md);
  background: var(--ink);
  color: var(--paper);
}

.page-products .pd-sample__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--on-ink-soft);
}

.page-products .pd-sample__code {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  letter-spacing: 0.06em;
  color: var(--sand);
}

.page-products .pd-sample__note {
  margin: 0;
  max-width: 46ch;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--on-ink);
}

@media (min-width: 640px) {
  .page-products .pd-parts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 设备切换 ---------- */
.page-products .pd-devices {
  position: relative;
  margin-bottom: 1.2rem;
}

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

.page-products .pd-devices__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.page-products .pd-devices__tabs label {
  cursor: pointer;
  padding: 0.45rem 1rem;
  border-radius: var(--r-pill);
  background: var(--paper-2);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pd-devices__tabs label:hover {
  transform: translateY(-1px);
  background: var(--sand-soft);
}

.page-products #pd-dev-phone:checked ~ .pd-devices__tabs label[for="pd-dev-phone"],
.page-products #pd-dev-tablet:checked ~ .pd-devices__tabs label[for="pd-dev-tablet"],
.page-products #pd-dev-desktop:checked ~ .pd-devices__tabs label[for="pd-dev-desktop"] {
  background: var(--ink);
  color: var(--paper);
}

.page-products #pd-dev-phone:focus-visible ~ .pd-devices__tabs label[for="pd-dev-phone"],
.page-products #pd-dev-tablet:focus-visible ~ .pd-devices__tabs label[for="pd-dev-tablet"],
.page-products #pd-dev-desktop:focus-visible ~ .pd-devices__tabs label[for="pd-dev-desktop"] {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}

.page-products .pd-devices__panel {
  display: none;
  background: var(--white);
  border-radius: var(--r-md);
  padding: clamp(1rem, 3vw, 1.4rem);
}

.page-products #pd-dev-phone:checked ~ .pd-devices__panels #pd-panel-phone,
.page-products #pd-dev-tablet:checked ~ .pd-devices__panels #pd-panel-tablet,
.page-products #pd-dev-desktop:checked ~ .pd-devices__panels #pd-panel-desktop {
  display: block;
}

.page-products .pd-devices__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .pd-devices__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-products .pd-devices__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clay);
}

/* ---------- 导出 ---------- */
.page-products .pd-export {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.page-products .pd-export__item {
  background: var(--paper-2);
  border-radius: var(--r-md);
  padding: 1.1rem;
}

.page-products .pd-export__item h3 {
  margin: 0.6rem 0 0.4rem;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink);
}

.page-products .pd-export__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink-2);
}

@media (min-width: 640px) {
  .page-products .pd-export {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 适用场景 ---------- */
.page-products .pd-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pd-scene {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.8rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-products .pd-scene__num {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--sand);
}

.page-products .pd-scene__title {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pd-scene p {
  margin: 0 0 0.35rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pd-link {
  display: inline-block;
  color: var(--clay);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 106, 61, 0.35);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pd-link:hover {
  color: var(--clay-deep);
  border-bottom-color: var(--clay-deep);
}

.page-products .pd-link:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}

/* ---------- 服务支持 ---------- */
.page-products .pd-support {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-lg);
  padding: clamp(1.3rem, 4vw, 2.2rem);
}

.page-products .pd-support__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-title);
  font-weight: 400;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  color: var(--paper);
}

.page-products .pd-support__text {
  margin: 0 0 0.8rem;
  max-width: 46ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--on-ink);
}

.page-products .pd-support__grid {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--on-ink-line);
}

.page-products .pd-support__label {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--sand);
}

.page-products .pd-support .pd-link {
  color: var(--sand);
  border-bottom-color: rgba(201, 169, 106, 0.4);
}

.page-products .pd-support .pd-link:hover {
  color: var(--sand-soft);
  border-bottom-color: var(--sand-soft);
}

@media (min-width: 640px) {
  .page-products .pd-support__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 页尾氛围 ---------- */
.page-products .pd-mood {
  position: relative;
  margin: 0 0 clamp(1.6rem, 4vw, 2.6rem);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-2);
}

.page-products .pd-mood img {
  display: block;
  width: 100%;
  height: clamp(180px, 34vw, 340px);
  max-width: 100%;
  object-fit: cover;
}

.page-products .pd-mood figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2rem clamp(1rem, 3vw, 1.8rem) clamp(0.9rem, 2vw, 1.2rem);
  background: linear-gradient(to top, rgba(15, 34, 51, 0.78), rgba(15, 34, 51, 0));
  color: var(--paper);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
<<<END>>>