.page-products {
  --pp-rail: 236px;
  --pp-gap: clamp(28px, 4vw, 60px);
  --pp-line: rgba(201, 162, 39, 0.28);
  --pp-line-soft: rgba(201, 162, 39, 0.12);
  --pp-text: rgba(242, 244, 247, 0.74);
  --pp-text-strong: rgba(242, 244, 247, 0.86);
  background: var(--wk-black);
  color: var(--wk-paper);
  font-family: var(--wk-font-body);
  padding-bottom: clamp(64px, 9vw, 128px);
  display: block;
}

.page-products .pp-top {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-products .wk-crumbs {
  font-family: var(--wk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--wk-slate);
}
.page-products .wk-crumbs a {
  color: var(--wk-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--wk-ease), border-color 0.25s var(--wk-ease);
}
.page-products .wk-crumbs a:hover,
.page-products .wk-crumbs a:focus-visible {
  color: var(--wk-gold-light);
  border-bottom-color: var(--wk-gold-dim);
}
.page-products .wk-crumbs span[aria-current="page"] {
  color: var(--wk-gold-light);
}
.page-products .wk-crumbs > * + * {
  margin-left: 8px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: clamp(28px, 4.5vw, 60px) 0 clamp(38px, 5vw, 72px);
  max-width: 940px;
  border-bottom: 1px solid var(--pp-line-soft);
}
.page-products .pp-eyebrow {
  font-family: var(--wk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--wk-gold);
  margin: 0 0 20px;
}
.page-products .pp-hero__title {
  font-family: var(--wk-font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--wk-paper);
}
.page-products .pp-hero__lead {
  font-size: clamp(16.5px, 1.5vw, 18.5px);
  line-height: 1.8;
  color: var(--pp-text);
  max-width: 660px;
  margin: 0 0 32px;
}
.page-products .pp-meta {
  list-style: none;
  margin: 0 0 34px;
  padding: 18px 0 0;
  border-top: 1px dashed rgba(201, 162, 39, 0.2);
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 640px) {
  .page-products .pp-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-products .pp-meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.page-products .pp-meta__k {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--wk-slate);
}
.page-products .pp-meta__v {
  font-family: var(--wk-font-mono);
  font-size: 17px;
  color: var(--wk-gold-light);
  letter-spacing: 0.02em;
}
.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 双栏骨架 ---------- */
.page-products .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(36px, 5vw, 68px);
}
@media (min-width: 980px) {
  .page-products .pp-layout {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: var(--pp-gap);
  }
}

/* ---------- 左侧索引轨 ---------- */
.page-products .pp-rail {
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--wk-radius);
  background: var(--wk-night);
  padding: 20px 18px;
}
@media (min-width: 980px) {
  .page-products .pp-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 24px 20px;
  }
}
.page-products .pp-rail__title {
  font-family: var(--wk-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--wk-slate);
  margin: 0 0 14px;
}
.page-products .pp-rail__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-products .pp-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--pp-text);
  text-decoration: none;
  transition: color 0.25s var(--wk-ease), background 0.25s var(--wk-ease),
    border-color 0.25s var(--wk-ease);
}
.page-products .pp-rail__link:hover,
.page-products .pp-rail__link:focus-visible {
  color: var(--wk-orange);
  background: rgba(255, 107, 44, 0.08);
  border-left-color: var(--wk-orange);
}
.page-products .pp-rail__num {
  font-family: var(--wk-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--wk-gold);
}
.page-products .pp-rail__note {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--wk-slate);
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(201, 162, 39, 0.16);
}
.page-products .pp-rail__note .wk-num {
  font-family: var(--wk-font-mono);
  color: var(--wk-gold-light);
}

/* ---------- 章节通用 ---------- */
.page-products .pp-section {
  padding: clamp(38px, 6vw, 78px) 0;
  scroll-margin-top: 110px;
}
.page-products .pp-body > .pp-section:first-child {
  padding-top: 0;
}
.page-products .pp-body > .pp-section + .pp-section {
  border-top: 1px solid var(--pp-line-soft);
}
.page-products .pp-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--wk-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--wk-gold);
  margin: 0 0 18px;
}
.page-products .pp-index__num {
  display: inline-grid;
  place-items: center;
  min-width: 32px;
  height: 22px;
  padding: 0 6px;
  border: 1px solid var(--pp-line);
  border-radius: 4px;
  color: var(--wk-gold-light);
  letter-spacing: 0.06em;
}
.page-products .pp-section h2 {
  font-family: var(--wk-font-display);
  font-weight: 700;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  color: var(--wk-paper);
}
.page-products .pp-lead {
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--pp-text);
  max-width: 680px;
  margin: 0 0 32px;
}

/* ---------- 图片 ---------- */
.page-products .wk-figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
}
.page-products .wk-figure__media {
  overflow: hidden;
  border-radius: var(--wk-radius);
  border: 1px solid var(--pp-line-soft);
  background: var(--wk-night);
}
.page-products .wk-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.04);
}
.page-products .wk-figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--wk-slate);
}

/* ---------- 三条分支 ---------- */
.page-products .pp-branches {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pp-line-soft);
}
.page-products .pp-branch {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 26px 0;
  border-bottom: 1px solid var(--pp-line-soft);
}
.page-products .pp-branch__key {
  grid-row: 1 / span 2;
  font-family: var(--wk-font-mono);
  font-size: 22px;
  line-height: 1.1;
  color: var(--wk-gold);
}
.page-products .pp-branch__body h3 {
  font-family: var(--wk-font-display);
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--wk-paper);
}
.page-products .pp-branch__body p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pp-text);
  margin: 0;
}
.page-products .pp-branch__go {
  grid-column: 2;
  justify-self: start;
  margin-top: 6px;
  font-size: 14px;
  color: var(--wk-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, 0.45);
  padding-bottom: 2px;
  transition: color 0.25s var(--wk-ease), border-color 0.25s var(--wk-ease);
}
.page-products .pp-branch__go:hover,
.page-products .pp-branch__go:focus-visible {
  color: var(--wk-orange-glow);
  border-bottom-color: var(--wk-orange-glow);
}
@media (min-width: 840px) {
  .page-products .pp-branch {
    grid-template-columns: 68px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 28px;
  }
  .page-products .pp-branch__key {
    grid-row: auto;
    font-size: 26px;
  }
  .page-products .pp-branch__go {
    grid-column: auto;
    margin-top: 0;
    white-space: nowrap;
  }
}

/* ---------- 五步路径 ---------- */
.page-products .pp-steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 48px);
}
@media (min-width: 1040px) {
  .page-products .pp-steps__grid {
    grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }
}
.page-products .pp-steps__aside .pp-lead {
  margin-bottom: 0;
}
.page-products .pp-steps__aside .wk-figure {
  margin: 28px 0 0;
}
.page-products .pp-steps__aside .wk-figure img {
  height: min(46vh, 380px);
  object-fit: cover;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .pp-step {
  position: relative;
  padding: 0 0 clamp(30px, 4vw, 46px) 62px;
}
.page-products .pp-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--wk-gold-dim), rgba(201, 162, 39, 0.06));
}
.page-products .pp-step:last-child {
  padding-bottom: 0;
}
.page-products .pp-step:last-child::before {
  display: none;
}
.page-products .pp-step__node {
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--pp-line);
  border-radius: 50%;
  background: var(--wk-black);
  font-family: var(--wk-font-mono);
  font-size: 13px;
  color: var(--wk-gold-light);
}
.page-products .pp-step__title {
  font-family: var(--wk-font-display);
  font-size: clamp(17.5px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  margin: 7px 0 12px;
  color: var(--wk-paper);
}
.page-products .pp-step p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pp-text);
  margin: 0 0 12px;
}
.page-products .pp-step p.pp-step__check {
  margin: 0;
  padding-left: 13px;
  border-left: 2px solid var(--wk-orange);
  font-size: 14px;
  line-height: 1.75;
  color: var(--wk-gold-light);
}

/* ---------- 平台切换 ---------- */
.page-products .pp-tabs {
  position: relative;
}
.page-products .pp-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.page-products .pp-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--pp-line-soft);
  margin-bottom: 26px;
}
.page-products .pp-tabs__tab {
  cursor: pointer;
  margin-bottom: -1px;
  padding: 10px 18px;
  border: 1px solid var(--pp-line-soft);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  font-family: var(--wk-font-display);
  font-size: 14.5px;
  font-weight: 600;
  color: rgba(242, 244, 247, 0.64);
  transition: color 0.25s var(--wk-ease), background 0.25s var(--wk-ease),
    border-color 0.25s var(--wk-ease);
}
.page-products .pp-tabs__tab:hover {
  color: var(--wk-gold-light);
  border-color: var(--pp-line);
}
.page-products .pp-tabs__radio:nth-of-type(1):checked ~ .pp-tabs__bar .pp-tabs__tab:nth-child(1),
.page-products .pp-tabs__radio:nth-of-type(2):checked ~ .pp-tabs__bar .pp-tabs__tab:nth-child(2),
.page-products .pp-tabs__radio:nth-of-type(3):checked ~ .pp-tabs__bar .pp-tabs__tab:nth-child(3) {
  color: var(--wk-black);
  background: var(--wk-orange);
  border-color: var(--wk-orange);
}
.page-products .pp-tabs__radio:focus-visible ~ .pp-tabs__bar {
  outline: 2px solid var(--wk-orange);
  outline-offset: 6px;
  border-radius: 4px;
}
.page-products .pp-tabs__panel {
  display: none;
  padding: 2px 0 0;
}
.page-products .pp-tabs__radio:nth-of-type(1):checked ~ .pp-tabs__panels > .pp-tabs__panel:nth-child(1),
.page-products .pp-tabs__radio:nth-of-type(2):checked ~ .pp-tabs__panels > .pp-tabs__panel:nth-child(2),
.page-products .pp-tabs__radio:nth-of-type(3):checked ~ .pp-tabs__panels > .pp-tabs__panel:nth-child(3) {
  display: block;
}
.page-products .pp-plist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 15px;
}
.page-products .pp-plist li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pp-text);
}
.page-products .pp-plist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--wk-gold);
  opacity: 0.75;
}
.page-products .pp-plist strong {
  color: var(--wk-paper);
  font-weight: 600;
}

/* ---------- 命名规则 ---------- */
.page-products .pp-naming {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .pp-naming li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(201, 162, 39, 0.16);
  font-size: 15px;
  line-height: 1.75;
  color: var(--pp-text);
}
.page-products .pp-naming span {
  font-family: var(--wk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--wk-gold-light);
}

/* ---------- 入口清单表格 ---------- */
.page-products .pp-tablewrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--wk-radius);
  background: var(--wk-night);
}
.page-products .pp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .pp-table caption {
  caption-side: top;
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--pp-line-soft);
  font-family: var(--wk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--wk-gold);
}
.page-products .pp-table th {
  text-align: left;
  padding: 12px 20px;
  border-bottom: 1px solid var(--pp-line);
  font-family: var(--wk-font-mono);
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--wk-slate);
  white-space: nowrap;
}
.page-products .pp-table td {
  padding: 12px 20px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.09);
  color: var(--pp-text-strong);
  vertical-align: top;
  line-height: 1.6;
}
.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-products .pp-table tbody tr:hover td {
  background: rgba(201, 162, 39, 0.05);
}
.page-products .pp-table__num {
  font-family: var(--wk-font-mono);
  font-size: 13px;
  color: var(--wk-gold);
  letter-spacing: 0.06em;
}
.page-products .pp-table__name {
  font-family: var(--wk-font-mono);
  font-size: 13.5px;
  color: var(--wk-paper);
}

/* ---------- 卡点折叠面板 ---------- */
.page-products .pp-faq {
  display: grid;
  gap: 10px;
}
.page-products .pp-faq__item {
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--wk-radius);
  background: var(--wk-night);
  overflow: hidden;
  transition: border-color 0.3s var(--wk-ease);
}
.page-products .pp-faq__item[open] {
  border-color: rgba(255, 107, 44, 0.42);
}
.page-products .pp-faq__q {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-family: var(--wk-font-display);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--wk-paper);
}
.page-products .pp-faq__q::-webkit-details-marker {
  display: none;
}
.page-products .pp-faq__q::after {
  content: "＋";
  flex: none;
  font-family: var(--wk-font-mono);
  font-size: 15px;
  color: var(--wk-gold);
}
.page-products .pp-faq__item[open] .pp-faq__q::after {
  content: "－";
  color: var(--wk-orange);
}
.page-products .pp-faq__q:focus-visible {
  outline: 2px solid var(--wk-orange);
  outline-offset: -2px;
}
.page-products .pp-faq__a {
  padding: 0 22px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-text);
}
.page-products .pp-faq__a p {
  margin: 0 0 10px;
}
.page-products .pp-faq__a p:last-child {
  margin-bottom: 0;
}

/* ---------- 维护节奏 ---------- */
.page-products .pp-cadence__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}
@media (min-width: 900px) {
  .page-products .pp-cadence__grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
    align-items: center;
  }
}
.page-products .pp-cadence__text p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--pp-text);
  margin: 0 0 24px;
}
.page-products .pp-cadence__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pp-line-soft);
}
.page-products .pp-cadence__list li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pp-line-soft);
  font-size: 15px;
  line-height: 1.75;
  color: var(--pp-text);
}
.page-products .pp-cadence__k {
  font-family: var(--wk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--wk-gold);
  padding-top: 3px;
}
.page-products .pp-cadence__foot {
  margin: 0;
  padding-left: 13px;
  border-left: 2px solid var(--wk-gold-dim);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--wk-gold-light);
}
.page-products .pp-cadence__grid .wk-figure {
  margin: 0;
}

/* ---------- 结尾指引 ---------- */
.page-products .pp-next {
  margin-top: clamp(44px, 6vw, 88px);
  padding-top: clamp(32px, 4vw, 52px);
  border-top: 1px solid var(--pp-line);
}
.page-products .pp-next__title {
  font-family: var(--wk-font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: var(--wk-paper);
}
.page-products .pp-next__grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pp-line-soft);
}
.page-products .pp-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 19px 4px;
  border-bottom: 1px solid var(--pp-line-soft);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--pp-text-strong);
  text-decoration: none;
  transition: color 0.25s var(--wk-ease), padding-left 0.25s var(--wk-ease);
}
.page-products .pp-next__link::after {
  content: "→";
  flex: none;
  font-family: var(--wk-font-mono);
  color: var(--wk-orange);
  transition: transform 0.25s var(--wk-ease);
}
.page-products .pp-next__link:hover,
.page-products .pp-next__link:focus-visible {
  color: var(--wk-paper);
  padding-left: 12px;
}
.page-products .pp-next__link:hover::after,
.page-products .pp-next__link:focus-visible::after {
  transform: translateX(4px);
}

/* ---------- 无障碍与动效 ---------- */
.page-products a:focus-visible,
.page-products summary:focus-visible,
.page-products label:focus-visible {
  outline: 2px solid var(--wk-orange);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-rail__link,
  .page-products .pp-branch__go,
  .page-products .pp-tabs__tab,
  .page-products .pp-faq__item,
  .page-products .pp-next__link,
  .page-products .wk-crumbs a {
    transition: none;
  }
  .page-products .pp-next__link:hover,
  .page-products .pp-next__link:focus-visible {
    padding-left: 4px;
  }
  .page-products .pp-next__link:hover::after,
  .page-products .pp-next__link:focus-visible::after {
    transform: none;
  }
}
<<<END>>>