.page-products {
  --pd-gap: clamp(32px, 6vw, 72px);
  --pd-ink-soft: rgba(18, 46, 38, .72);
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumbbar {
  padding-top: clamp(20px, 3vw, 34px);
}

/* ---------- 封面区 ---------- */
.page-products .pd-hero {
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(8px, 1.6vw, 16px);
}
.page-products .pd-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(34px, 7.4vw, 82px);
  font-weight: 250;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 18ch;
}
.page-products .pd-hero__lede {
  margin: 22px 0 0;
  max-width: 36ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}
.page-products .pd-hero__meta {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- 双栏骨架 ---------- */
.page-products .pd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  padding-top: clamp(36px, 6vw, 76px);
}

/* ---------- 左栏索引 ---------- */
.page-products .pd-index {
  border-top: 1px solid var(--line-soft);
  padding-top: 16px;
}
.page-products .pd-index__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--orange);
  text-transform: uppercase;
}
.page-products .pd-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .pd-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 13px;
  border: 1px solid var(--line-soft);
  border-radius: var(--pill);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
.page-products .pd-index__link:hover,
.page-products .pd-index__link:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-a24);
  background: var(--cyan-a12);
}
.page-products .pd-index__num {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--orange);
}
.page-products .pd-index__cta {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
  font-size: 13px;
}

/* ---------- 正文栏 ---------- */
.page-products .pd-body {
  min-width: 0;
}

/* ---------- 层级区块 ---------- */
.page-products .pd-layer {
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(26px, 4vw, 42px);
  margin-top: clamp(48px, 7vw, 92px);
}
.page-products .pd-layer:first-child {
  margin-top: 0;
  border-top: 0;
  padding-top: 0;
}
.page-products .pd-layer__tag {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--orange);
  text-transform: uppercase;
}
.page-products .pd-layer__title {
  margin: 0;
  font-size: clamp(25px, 4.2vw, 40px);
  font-weight: 280;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--white);
}
.page-products .pd-layer__lede {
  margin: 18px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}
.page-products .pd-layer__figure {
  margin: 30px 0 0;
}

/* ---------- 第一种内容形态列表 ---------- */
.page-products .pd-forms {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .pd-form {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, var(--pd-ink-soft), transparent 70%),
    var(--ink-2);
}
.page-products .pd-form__num {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
}
.page-products .pd-form__title {
  margin: 0;
  font-size: 20px;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.01em;
}
.page-products .pd-form__text {
  margin: 12px 0 0;
  max-width: 38ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.page-products .pd-form__figure {
  margin: 18px 0 0;
}
.page-products .pd-form--media {
  padding-bottom: 20px;
}

/* ---------- 数据维度 ---------- */
.page-products .pd-dims {
  margin-top: 26px;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--ink-2);
}
.page-products .pd-dims__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
  text-transform: uppercase;
}
.page-products .pd-dims__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .pd-dims__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
}
.page-products .pd-dims__item .tag {
  flex: none;
}

/* ---------- 阶段对比提示 ---------- */
.page-products .pd-compare {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--cyan-a24);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--cyan-a12), transparent 78%);
  display: grid;
  gap: 16px;
}
.page-products .pd-compare__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.page-products .pd-compare .btn {
  justify-self: start;
}

/* ---------- 第三层：归档 ---------- */
.page-products .pd-archive {
  margin-top: 28px;
  display: grid;
  gap: 24px;
}
.page-products .pd-archive__figure {
  margin: 0;
}
.page-products .pd-archive__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.page-products .pd-archive__sub {
  margin-top: 16px !important;
  color: var(--muted) !important;
  font-size: 14px !important;
}
.page-products .pd-archive__parts {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .pd-archive__parts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--r-md);
  background: var(--ink-2);
  border-left: 2px solid var(--cyan-a24);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}
.page-products .pd-archive__parts .mono {
  color: var(--orange);
  font-size: 12px;
}

/* ---------- 资源行列表 ---------- */
.page-products .pd-res {
  margin-top: 28px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--ink-2);
  overflow: hidden;
}
.page-products .pd-res__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(90deg, var(--cyan-a12), transparent 62%);
}
.page-products .pd-res__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}
.page-products .pd-res__hint {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}
.page-products .pd-res__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .pd-res__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .pd-res__row:last-child {
  border-bottom: 0;
}
.page-products .pd-res__row:hover {
  border-left-color: var(--cyan);
  background: var(--cyan-a12);
}
.page-products .pd-res__name {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
}
.page-products .pd-res__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .pd-res__foot {
  margin: 0;
  padding: 14px 18px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 三步路径 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-products .pd-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}
.page-products .pd-step:first-child {
  border-top: 0;
  padding-top: 4px;
}
.page-products .pd-step__num {
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--cyan);
  padding-top: 3px;
}
.page-products .pd-step__title {
  margin: 0;
  font-size: 18px;
  font-weight: 400;
  color: var(--white);
}
.page-products .pd-step__body p {
  margin: 10px 0 0;
  max-width: 38ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 更新节奏 ---------- */
.page-products .pd-rhythm {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}
.page-products .pd-rhythm__card {
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--ink-2);
  position: relative;
  overflow: hidden;
}
.page-products .pd-rhythm__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
  opacity: .85;
}
.page-products .pd-rhythm__time {
  margin: 0;
  font-size: 26px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: .04em;
}
.page-products .pd-rhythm__name {
  margin: 8px 0 0;
  font-size: 16px;
  color: var(--white);
}
.page-products .pd-rhythm__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}
.page-products .pd-rhythm__note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-products .pd-rhythm__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a24);
}
.page-products .pd-rhythm__note a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 场景卡 ---------- */
.page-products .pd-scenes {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}
.page-products .pd-scene {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}
.page-products .pd-scene[open] {
  border-color: var(--cyan-a24);
}
.page-products .pd-scene__sum {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 18px 46px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.page-products .pd-scene__sum::-webkit-details-marker {
  display: none;
}
.page-products .pd-scene__sum::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}
.page-products .pd-scene[open] .pd-scene__sum::after {
  transform: rotate(-135deg);
}
.page-products .pd-scene__sum .tag {
  align-self: flex-start;
}
.page-products .pd-scene__title {
  font-size: 17px;
  line-height: 1.45;
  color: var(--white);
}
.page-products .pd-scene__body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--line-soft);
  margin-top: 2px;
}
.page-products .pd-scene__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 规格表 ---------- */
.page-products .pd-spec__figure {
  margin: 26px 0 0;
}
.page-products .pd-spec {
  margin: 24px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--ink-2);
  overflow: hidden;
}
.page-products .pd-spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 11px 18px;
  min-height: 40px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .pd-spec__row:last-child {
  border-bottom: 0;
}
.page-products .pd-spec__row:hover {
  border-left-color: var(--cyan);
  background: var(--cyan-a12);
}
.page-products .pd-spec dt {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .02em;
}
.page-products .pd-spec dd {
  margin: 0;
  font-size: 15px;
  color: var(--cyan);
  font-weight: 500;
}
.page-products .pd-spec__note {
  margin-top: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--ink-2);
}
.page-products .pd-spec__note-sum {
  list-style: none;
  cursor: pointer;
  padding: 15px 18px;
  font-size: 14px;
  color: var(--cyan-soft);
  position: relative;
}
.page-products .pd-spec__note-sum::-webkit-details-marker {
  display: none;
}
.page-products .pd-spec__note-sum::before {
  content: "+";
  display: inline-block;
  width: 18px;
  font-family: var(--font-mono);
  color: var(--orange);
}
.page-products .pd-spec__note[open] .pd-spec__note-sum::before {
  content: "–";
}
.page-products .pd-spec__note-body {
  padding: 0 18px 18px 36px;
  border-top: 1px solid var(--line-soft);
}
.page-products .pd-spec__note-body p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 收尾行动 ---------- */
.page-products .pd-cta {
  margin-top: 28px;
  padding: 24px 22px;
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, var(--cyan-a12), var(--orange-a14) 88%);
  border: 1px solid var(--line-soft);
  display: grid;
  gap: 18px;
}
.page-products .pd-cta__text {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.page-products .pd-cta__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a24);
}
.page-products .pd-cta__text a:hover {
  color: var(--cyan-soft);
}
.page-products .pd-cta .btn {
  justify-self: start;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-products .pd-form--media {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 26px;
    align-items: center;
  }
  .page-products .pd-form__figure {
    margin: 0;
  }
  .page-products .pd-dims__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-spec__row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: baseline;
  }
  .page-products .pd-spec dd {
    text-align: right;
  }
  .page-products .pd-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 28px;
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 940px) {
  .page-products .pd-layout {
    grid-template-columns: 228px minmax(0, 1fr);
    align-items: start;
  }
  .page-products .pd-index {
    position: sticky;
    top: 96px;
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--line-soft);
    padding-left: 20px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }
  .page-products .pd-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 1px;
    margin-top: 16px;
  }
  .page-products .pd-index__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 0 9px 12px;
    font-size: 15px;
    width: 100%;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
                padding-left var(--dur) var(--ease);
  }
  .page-products .pd-index__link:hover,
  .page-products .pd-index__link:focus-visible {
    background: transparent;
    border-left-color: var(--cyan);
    padding-left: 16px;
  }
  .page-products .pd-hero__lede {
    max-width: 42ch;
  }
  .page-products .pd-archive {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 32px;
    align-items: start;
  }
  .page-products .pd-res__row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 14px 20px;
  }
  .page-products .pd-res__tags {
    justify-content: flex-end;
  }
  .page-products .pd-steps {
    gap: 0;
  }
  .page-products .pd-rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}
</main>