.page-products {
  --pf-radius: 20px;
  --pf-gap: clamp(22px, 3.4vw, 44px);
  --pf-accent-soft: rgba(46, 230, 200, .14);
  position: relative;
  padding-block: clamp(18px, 3vw, 32px) clamp(56px, 9vw, 112px);
  background:
    radial-gradient(1100px 480px at 84% -8%, rgba(91, 63, 209, .32), transparent 64%),
    radial-gradient(720px 420px at 0% 16%, rgba(46, 230, 200, .10), transparent 58%),
    var(--ink-0);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-products .pf-crumb {
  margin-block-end: clamp(18px, 3vw, 30px);
}

.page-products .pf-crumb .breadcrumb__link {
  color: var(--dust);
}

.page-products .pf-crumb .breadcrumb__link:hover {
  color: var(--cyan);
}

.page-products .pf-crumb .breadcrumb__item[aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-products .pf-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 7.6vw, 74px);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: .16em 0 .34em;
  text-wrap: balance;
}

.page-products .pf-hero__lede {
  max-width: 34em;
  color: var(--dust);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block: clamp(20px, 3vw, 30px);
}

.page-products .pf-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line-soft);
  overflow: hidden;
}

.page-products .pf-stat {
  padding: 14px 16px;
  background: rgba(11, 18, 51, .78);
}

.page-products .pf-stat dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--dust);
  text-transform: uppercase;
}

.page-products .pf-stat dd {
  margin: 6px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--paper);
}

.page-products .pf-stat dd .mono {
  color: var(--cyan);
  font-size: 22px;
}

.page-products .pf-hero__figure {
  margin: 0;
  position: relative;
}

.page-products .pf-hero__figure::before {
  content: "";
  position: absolute;
  inset: -14px -14px auto auto;
  width: 46%;
  height: 46%;
  border-top: 1px solid rgba(140, 123, 255, .55);
  border-right: 1px solid rgba(140, 123, 255, .55);
  border-radius: 0 18px 0 0;
  pointer-events: none;
}

.page-products .pf-hero__media {
  --ratio: 16 / 10;
  border-radius: var(--pf-radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

/* ---------- 主栅格与章节索引 ---------- */
.page-products .pf-shell {
  display: grid;
  gap: var(--pf-gap);
  margin-block-start: clamp(40px, 7vw, 84px);
}

.page-products .pf-index {
  border-block: 1px solid var(--line);
  padding-block: 12px;
}

.page-products .pf-index__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .pf-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pf-index__item {
  flex: 0 0 auto;
}

.page-products .pf-index__link {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--dust);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-products .pf-index__link:hover,
.page-products .pf-index__link:focus-visible {
  color: var(--ink-0);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pf-body {
  min-width: 0;
}

/* ---------- 章节头 ---------- */
.page-products .pf-section {
  padding-block-start: clamp(44px, 6vw, 76px);
  scroll-margin-top: 96px;
}

.page-products .pf-section:first-child {
  padding-block-start: 0;
}

.page-products .pf-section__head {
  display: grid;
  gap: 12px;
  margin-block-end: clamp(24px, 3.4vw, 38px);
}

.page-products .index-num {
  margin: 0;
  font-size: clamp(46px, 8vw, 76px);
  line-height: .82;
  font-weight: 700;
  letter-spacing: -.04em;
  color: rgba(46, 230, 200, .18);
  -webkit-text-stroke: 1px rgba(46, 230, 200, .55);
}

.page-products .pf-section__intro .eyebrow {
  margin: 0 0 8px;
}

.page-products .pf-section__intro h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-products .pf-section__lede {
  max-width: 36em;
  margin: 12px 0 0;
  color: var(--dust);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 筛选 ---------- */
.page-products .pf-filter {
  position: relative;
}

.page-products .pf-filter__input {
  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 .pf-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-end: 22px;
}

.page-products .pf-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--dust);
  cursor: pointer;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-products .pf-chip:hover {
  color: var(--paper);
  border-color: var(--nebula-bright);
}

.page-products #pf-cat-all:checked ~ .pf-filter__chips [for="pf-cat-all"],
.page-products #pf-cat-build:checked ~ .pf-filter__chips [for="pf-cat-build"],
.page-products #pf-cat-run:checked ~ .pf-filter__chips [for="pf-cat-run"],
.page-products #pf-cat-care:checked ~ .pf-filter__chips [for="pf-cat-care"] {
  color: var(--ink-0);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-products .pf-filter__input:focus-visible ~ .pf-filter__chips .pf-chip {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products #pf-cat-build:checked ~ .pf-tracks .pf-track:not([data-cat="a"]):not([data-cat="b"]),
.page-products #pf-cat-run:checked ~ .pf-tracks .pf-track:not([data-cat="c"]):not([data-cat="d"]),
.page-products #pf-cat-care:checked ~ .pf-tracks .pf-track:not([data-cat="e"]):not([data-cat="f"]) {
  display: none;
}

/* ---------- 轨道卡 ---------- */
.page-products .pf-tracks {
  display: grid;
  gap: 14px;
}

.page-products .pf-track {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--pf-radius);
  background: linear-gradient(152deg, rgba(36, 26, 77, .62), rgba(11, 18, 51, .82));
  backdrop-filter: blur(6px);
  overflow: hidden;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-products .pf-track::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--nebula) 55%, transparent);
  opacity: .8;
}

.page-products .pf-track:hover {
  border-color: rgba(140, 123, 255, .5);
  transform: translateY(-2px);
}

.page-products .pf-track__num {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .pf-track__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-products .pf-track__text {
  margin: 0 0 14px;
  color: var(--dust);
  font-size: 15px;
  line-height: 1.85;
}

.page-products .pf-track__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-products .pf-track__figure {
  margin: 0 0 16px;
}

.page-products .pf-track__media {
  --ratio: 3 / 2;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-products .pf-track__figure--phone {
  max-width: 280px;
}

.page-products .pf-track__media--phone {
  --ratio: 2 / 3;
}

.page-products .pf-track__more {
  border-top: 1px dashed var(--line);
  padding-block-start: 12px;
}

.page-products .pf-track__more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .pf-track__more summary::-webkit-details-marker {
  display: none;
}

.page-products .pf-track__more summary::after {
  content: "+";
  font-size: 15px;
  color: var(--nebula-bright);
}

.page-products .pf-track__more[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-products .pf-track__list {
  margin: 12px 0 0;
  padding-inline-start: 18px;
  color: var(--dust);
  font-size: 14px;
  line-height: 1.9;
}

.page-products .pf-track__list li::marker {
  color: var(--nebula-bright);
}

/* ---------- 场景 ---------- */
.page-products .pf-fit {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-products .pf-fit__row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-block: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line-soft);
}

.page-products .pf-fit__row:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-fit__tag {
  margin: 0;
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
  color: var(--nebula-bright);
}

.page-products .pf-fit__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
}

.page-products .pf-fit__text {
  margin: 0 0 10px;
  color: var(--dust);
  font-size: 15px;
  line-height: 1.85;
}

.page-products .pf-fit__refs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
}

.page-products .pf-inline {
  color: var(--cyan);
  font-size: 13px;
  font-family: var(--font-mono);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 200, .38);
  padding-bottom: 2px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-products .pf-inline:hover,
.page-products .pf-inline:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 交付流程 ---------- */
.page-products .pf-flow {
  margin: 0 0 clamp(26px, 3.6vw, 40px);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
  counter-reset: pfstep;
}

.page-products .pf-flow__step {
  position: relative;
  padding: 18px 18px 18px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(11, 18, 51, .66);
}

.page-products .pf-flow__step::before {
  content: "";
  position: absolute;
  inset: 20px auto 20px 0;
  width: 3px;
  border-radius: 3px;
  background: var(--cyan);
  opacity: .75;
}

.page-products .pf-flow__num {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .pf-flow__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
}

.page-products .pf-flow__text {
  margin: 0 0 10px;
  color: var(--dust);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-products .pf-flow__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--nebula-bright);
}

.page-products .pf-flow__figure {
  margin: 0;
}

.page-products .pf-flow__media {
  --ratio: 2 / 1;
  border-radius: var(--pf-radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-products .pf-flow__media img,
.page-products .pf-version__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 版本对照 ---------- */
.page-products .pf-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(11, 18, 51, .6);
}

.page-products .pf-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pf-table__caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--dust);
}

.page-products .pf-table thead th {
  padding: 10px 16px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pf-table tbody th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--paper);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .pf-table tbody td {
  padding: 14px 16px;
  color: var(--dust);
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.7;
}

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

.page-products .pf-table thead th:last-child,
.page-products .pf-table tbody td:last-child {
  background: rgba(91, 63, 209, .2);
  color: var(--paper);
}

.page-products .pf-table thead th:last-child {
  color: var(--orange);
}

.page-products .pf-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  color: var(--dust);
  font-size: 14px;
  line-height: 1.85;
}

.page-products .pf-version__figure {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
}

.page-products .pf-version__media {
  --ratio: 12 / 7;
  border-radius: var(--pf-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(36, 26, 77, .8), rgba(5, 8, 28, .9));
}

/* ---------- 栏目生长 ---------- */
.page-products .pf-prose {
  max-width: 38em;
  color: var(--dust);
  font-size: 15.5px;
  line-height: 1.9;
}

.page-products .pf-prose p {
  margin: 0 0 16px;
}

.page-products .pf-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: clamp(22px, 3vw, 32px) 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-metric {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(36, 26, 77, .34);
}

.page-products .pf-metric__num {
  margin: 0 0 6px;
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pf-metric__label {
  margin: 0;
  font-size: 13px;
  color: var(--dust);
  line-height: 1.6;
}

.page-products .pf-links {
  margin: 0;
  color: var(--dust);
  font-size: 15px;
  line-height: 2;
}

.page-products .pf-links .pf-inline {
  font-family: var(--font-body);
  font-size: 15px;
  margin-inline: 2px;
}

/* ---------- 组合建议 ---------- */
.page-products .pf-combos {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-combo {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid rgba(140, 123, 255, .3);
  border-radius: 16px;
  background:
    linear-gradient(120deg, rgba(91, 63, 209, .22), rgba(5, 8, 28, .1) 62%);
}

.page-products .pf-combo__no {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .pf-combo__name {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 24px);
}

.page-products .pf-combo__tracks {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-products .pf-combo__text {
  margin: 0;
  color: var(--dust);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 开始沟通 ---------- */
.page-products .pf-start__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pf-check {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .pf-check li {
  position: relative;
  padding-left: 28px;
  color: var(--dust);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .pf-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  box-shadow: inset 0 0 0 3px var(--ink-0);
  background: var(--cyan);
}

.page-products .pf-start__cta {
  padding: clamp(20px, 2.8vw, 28px);
}

.page-products .pf-start__cta .card__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 23px);
}

.page-products .pf-start__cta .card__text {
  color: var(--dust);
  font-size: 15px;
  line-height: 1.85;
}

.page-products .pf-start__mail {
  margin: 14px 0 18px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cyan);
  word-break: break-all;
}

.page-products .pf-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-start__actions .btn {
  flex: 1 1 auto;
  justify-content: center;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pf-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-section__head {
    grid-template-columns: 86px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
  }

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

  .page-products .pf-combos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pf-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-products .pf-hero__figure {
    margin-block-start: 12px;
  }

  .page-products .pf-shell {
    grid-template-columns: 178px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pf-index {
    position: sticky;
    top: 96px;
    border: 0;
    border-left: 1px solid var(--line);
    padding: 4px 0 4px 16px;
  }

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

  .page-products .pf-index__item + .pf-index__item {
    margin-top: 4px;
  }

  .page-products .pf-index__link {
    display: block;
    padding: 7px 0;
    border: 0;
    border-radius: 0;
    background: none;
    font-size: 12.5px;
    color: var(--dust);
  }

  .page-products .pf-index__link:hover,
  .page-products .pf-index__link:focus-visible {
    background: none;
    color: var(--cyan);
    padding-left: 8px;
  }

  .page-products .pf-track {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 16px;
  }

  .page-products .pf-track:nth-child(1) {
    width: 94%;
    margin-inline-start: 0;
  }

  .page-products .pf-track:nth-child(2) {
    width: 84%;
    margin-inline-start: 13%;
  }

  .page-products .pf-track:nth-child(3) {
    width: 96%;
    margin-inline-start: 4%;
  }

  .page-products .pf-track:nth-child(4) {
    width: 80%;
    margin-inline-start: 17%;
  }

  .page-products .pf-track:nth-child(5) {
    width: 90%;
    margin-inline-start: 8%;
  }

  .page-products .pf-track:nth-child(6) {
    width: 76%;
    margin-inline-start: 21%;
  }

  .page-products .pf-track__num {
    padding-top: 6px;
    font-size: 15px;
  }

  .page-products .pf-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .pf-flow__step {
    padding: 20px 16px 18px;
  }

  .page-products .pf-flow__step::before {
    inset: 0 16px auto 16px;
    width: auto;
    height: 3px;
  }

  .page-products .pf-start__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-products .pf-start__actions .btn {
    flex: 0 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-track,
  .page-products .pf-index__link,
  .page-products .pf-inline,
  .page-products .pf-chip {
    transition: none;
  }

  .page-products .pf-track:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>
</main>