.page-products {
  --pc-rail: 172px;
  --pc-gap: clamp(24px, 3.2vw, 46px);
  --pc-wrap: 1180px;
  --pc-cut: 22px;
  background: var(--c-jade);
  color: var(--c-ink);
}

/* ---------- 面包屑 ---------- */
.page-products .pc-crumb {
  max-width: var(--pc-wrap);
  margin-inline: auto;
  padding-inline: var(--edge);
  padding-top: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-products .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--c-red-dark);
  color: var(--c-jade);
}

.page-products .pc-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -18%;
  top: -40%;
  width: 78%;
  height: 180%;
  background: linear-gradient(155deg, rgba(201, 154, 61, 0.32), rgba(201, 154, 61, 0) 62%);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-products .pc-hero__inner {
  max-width: var(--pc-wrap);
  margin-inline: auto;
  padding-inline: var(--edge);
  padding-block: clamp(34px, 6vw, 78px) clamp(40px, 6.4vw, 86px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 54px);
  align-items: center;
}

.page-products .pc-hero__copy .eyebrow {
  color: var(--c-gold-bright);
}

.page-products .pc-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.012em;
  margin: 0.3em 0 0.42em;
  color: var(--c-jade);
  text-wrap: balance;
}

.page-products .pc-hero__lede {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(247, 243, 234, 0.84);
}

.page-products .pc-hero__stats {
  list-style: none;
  margin: 0 0 clamp(22px, 3.4vw, 32px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 38px);
}

.page-products .pc-hero__stat {
  padding-left: 12px;
  border-left: 1px solid rgba(201, 154, 61, 0.55);
}

.page-products .pc-hero__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold-bright);
}

.page-products .pc-hero__stat-label {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(247, 243, 234, 0.62);
}

.page-products .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .pc-btn--solid {
  background: var(--c-gold-bright);
  color: var(--c-ink);
}

.page-products .pc-btn--solid:hover {
  background: #ffe394;
  transform: translateY(-2px);
}

.page-products .pc-btn--line {
  border-color: rgba(201, 154, 61, 0.72);
  color: var(--c-gold-bright);
  background: rgba(255, 255, 255, 0.04);
}

.page-products .pc-btn--line:hover {
  background: rgba(201, 154, 61, 0.18);
  transform: translateY(-2px);
}

.page-products .pc-btn:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--c-gold-bright);
}

.page-products .pc-hero__figure {
  margin: 0;
  position: relative;
  filter: drop-shadow(0 28px 46px rgba(0, 0, 0, 0.46));
}

.page-products .pc-hero__figure::before {
  content: "";
  position: absolute;
  inset: -13px -13px 13px 13px;
  border: 1px solid rgba(201, 154, 61, 0.55);
  clip-path: polygon(22px 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%, 0 22px);
  pointer-events: none;
}

.page-products .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(26px 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%, 0 26px);
}

/* ---------- 主体骨架 ---------- */
.page-products .pc-layout {
  max-width: var(--pc-wrap);
  margin-inline: auto;
  padding-inline: var(--edge);
  padding-block: clamp(30px, 4.6vw, 62px) clamp(48px, 6vw, 88px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-products .pc-index {
  border-block: var(--hair);
  padding-block: 10px;
}

.page-products .pc-index__title {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-slate);
}

.page-products .pc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pc-index__list::-webkit-scrollbar {
  display: none;
}

.page-products .pc-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-slate);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .pc-index__link:hover {
  color: var(--c-ink);
}

.page-products .pc-index__link[aria-current="true"] {
  color: var(--c-ink);
  border-bottom-color: var(--c-red);
  background: var(--c-paper);
}

.page-products .pc-index__num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-red);
}

/* ---------- 章节 ---------- */
.page-products .pc-main > .pc-sec {
  padding-block: clamp(32px, 4.6vw, 58px);
  border-top: var(--hair);
}

.page-products .pc-main > .pc-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pc-sec {
  scroll-margin-top: 96px;
}

.page-products .pc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(16px, 2.6vw, 28px);
}

.page-products .pc-sec__num {
  flex: none;
  align-self: flex-start;
  padding-top: 5px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-red);
  border-top: 2px solid var(--c-red);
}

.page-products .pc-sec__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 33px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-products .pc-lead {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.86;
  color: var(--c-char);
}

.page-products .pc-lead--tight {
  margin-top: clamp(14px, 2vw, 20px);
  margin-bottom: 0;
  font-size: 14px;
  color: var(--c-slate);
}

/* ---------- 图文分栏 ---------- */
.page-products .pc-split {
  display: block;
}

.page-products .pc-split__txt .pc-lead:last-child {
  margin-bottom: 0;
}

.page-products .pc-shot {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-products .pc-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--c-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
}

.page-products .pc-shot figcaption {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 2px solid var(--c-gold);
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-slate);
}

.page-products .pc-shot--wide {
  max-width: 780px;
  margin-inline: auto;
  margin-top: clamp(24px, 3.6vw, 40px);
}

/* ---------- 01 正式版通道 ---------- */
.page-products .pc-channel__panel {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--c-ink);
  color: var(--c-jade);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-products .pc-channel__row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  padding-block: 11px;
  border-bottom: 1px solid rgba(201, 154, 61, 0.26);
  font-size: 14px;
  line-height: 1.6;
}

.page-products .pc-channel__key {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-products .pc-channel__val {
  color: rgba(247, 243, 234, 0.9);
}

.page-products .pc-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding: 12px 14px;
  background: var(--c-paper);
  border-left: 3px solid var(--c-red);
}

.page-products .pc-path__text {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--c-ink);
}

.page-products .pc-path .copy-btn {
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--c-ink);
  background: transparent;
  border: 1px solid var(--c-gold);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .pc-path .copy-btn:hover {
  background: var(--c-red);
  border-color: var(--c-red);
  color: #fff;
}

/* ---------- 02 三步 ---------- */
.page-products .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pc-step {
  padding: 20px;
  background: #fff;
  border: var(--hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .pc-step:hover {
  background: #fffdf7;
  border-color: var(--c-gold);
}

.page-products .pc-step__num {
  display: inline-block;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--c-red);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-red);
}

.page-products .pc-step__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
}

.page-products .pc-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-slate);
}

/* ---------- 03 栏目 ---------- */
.page-products .pc-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pc-cat {
  padding: 17px 18px;
  background: #fff;
  border-left: 3px solid var(--c-gold);
  transition: background 0.2s var(--ease), border-left-color 0.2s var(--ease);
}

.page-products .pc-cat:hover {
  background: var(--c-paper);
  border-left-color: var(--c-red);
}

.page-products .pc-cat__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-slate);
}

/* ---------- 04 场景 ---------- */
.page-products .pc-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 05 明细与回放 ---------- */
.page-products .pc-record {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pc-record__card {
  padding: clamp(18px, 2.6vw, 28px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-products .pc-record__card--light {
  background: #fff;
  border: var(--hair);
}

.page-products .pc-record__card--dark {
  background: var(--c-ink);
  color: var(--c-jade);
}

.page-products .pc-record__title {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
}

.page-products .pc-record__card--dark .pc-record__title {
  color: var(--c-gold-bright);
}

.page-products .pc-fields {
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: minmax(64px, auto) minmax(0, 1fr);
  gap: 11px 16px;
  font-size: 14px;
  line-height: 1.6;
}

.page-products .pc-fields dt {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-teal);
  padding-top: 1px;
}

.page-products .pc-fields dd {
  margin: 0;
  color: var(--c-char);
}

.page-products .pc-record__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: rgba(247, 243, 234, 0.82);
}

.page-products .pc-meta {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pc-meta li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--c-gold-bright);
}

.page-products .pc-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 7px;
  height: 7px;
  background: var(--c-gold);
  transform: rotate(45deg);
}

/* ---------- 下一步 ---------- */
.page-products .pc-next {
  margin-top: clamp(34px, 5vw, 64px);
  padding-top: clamp(24px, 3.4vw, 36px);
  border-top: 2px solid var(--c-ink);
}

.page-products .pc-next__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 800;
  line-height: 1.3;
}

.page-products .pc-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pc-next__link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 12px;
  padding: 15px 6px;
  border-bottom: var(--hair);
  text-decoration: none;
  color: var(--c-ink);
  transition: background 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-products .pc-next__link:hover {
  background: var(--c-paper);
  padding-left: 14px;
}

.page-products .pc-next__num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-red);
}

.page-products .pc-next__label {
  font-size: 14.5px;
  line-height: 1.6;
}

.page-products .pc-next__arrow {
  font-size: 16px;
  color: var(--c-gold);
  text-align: right;
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .pc-next__link:hover .pc-next__arrow {
  transform: translateX(4px);
  color: var(--c-red);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .pc-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pc-record {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .pc-hero__inner {
    grid-template-columns: 1.04fr 0.96fr;
  }

  .page-products .pc-split {
    display: grid;
    grid-template-columns: 1.06fr 0.94fr;
    gap: clamp(24px, 3.6vw, 48px);
    align-items: center;
  }

  .page-products .pc-split--flip {
    grid-template-columns: 0.94fr 1.06fr;
  }

  .page-products .pc-split--flip > .pc-shot {
    order: -1;
  }

  .page-products .pc-split > .pc-shot {
    margin-top: 0;
  }

  .page-products .pc-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pc-step:nth-child(2) {
    margin-top: 20px;
  }

  .page-products .pc-step:nth-child(3) {
    margin-top: 40px;
  }
}

@media (min-width: 900px) {
  .page-products .pc-layout {
    grid-template-columns: var(--pc-rail) minmax(0, 1fr);
  }

  .page-products .pc-index {
    position: sticky;
    top: 28px;
    border-block: 0;
    border-left: 1px solid rgba(201, 154, 61, 0.4);
    padding-block: 0;
    padding-left: 2px;
  }

  .page-products .pc-index__title {
    padding-left: 12px;
  }

  .page-products .pc-index__list {
    display: block;
    overflow: visible;
  }

  .page-products .pc-index__link {
    display: flex;
    width: 100%;
    padding: 10px 12px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-products .pc-index__link[aria-current="true"] {
    border-left-color: var(--c-red);
    border-bottom-color: transparent;
  }
}

@media (min-width: 1040px) {
  .page-products .pc-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pc-cat:first-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pc-btn,
  .page-products .pc-step,
  .page-products .pc-cat,
  .page-products .pc-next__link,
  .page-products .pc-next__arrow {
    transition: none;
  }

  .page-products .pc-btn:hover,
  .page-products .pc-step:hover,
  .page-products .pc-next__link:hover .pc-next__arrow {
    transform: none;
  }
}
<<<END>>>