.page-products {
  --pf-index-w: 176px;
  --pf-cell-bg: rgba(11, 34, 55, 0.72);
  background: var(--bg);
  color: var(--fg);
  font-family: var(--ff-body);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  isolation: isolate;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 64px;
  background:
    radial-gradient(130% 100% at 84% -20%, rgba(30, 90, 125, 0.62) 0%, rgba(6, 18, 31, 0) 62%),
    linear-gradient(180deg, var(--ice-abyss) 0%, var(--ice-deep) 100%);
  border-bottom: 2px solid var(--line-strong);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.55;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.15) 88%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.15) 88%, transparent 100%);
}

.page-products .pf-hero__copy {
  max-width: 46rem;
  margin-top: 18px;
}

.page-products .pf-hero__stamp {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  background: rgba(6, 18, 31, 0.62);
  color: var(--ice-light);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.page-products .pf-hero h1 {
  margin: 0 0 18px;
  font-family: var(--ff-display);
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ice-white);
}

.page-products .pf-hero__lead {
  margin: 0;
  max-width: 42rem;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--ice-pale);
}

/* ---------- 能力矩阵 ---------- */
.page-products .pf-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 40px;
  padding-top: 14px;
  border-top: 2px solid var(--line-strong);
}

.page-products .pf-matrix__cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 16px;
  background: var(--ice-deep);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  transition: transform var(--dur) ease, box-shadow var(--dur) ease, border-color var(--dur) ease;
}

.page-products .pf-matrix__cell:hover {
  transform: translate(-2px, -2px);
  border-color: var(--neon);
  box-shadow: 8px 8px 0 rgba(182, 255, 60, 0.16);
}

.page-products .pf-matrix__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pf-matrix__no {
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-products .pf-matrix__title {
  margin: 0;
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ice-white);
}

.page-products .pf-matrix__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ice-pale);
}

.page-products .pf-matrix__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
}

.page-products .pf-matrix__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pf-matrix__row dt {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-products .pf-matrix__row dd {
  margin: 0;
  font-size: 14px;
  color: var(--ice-light);
}

.page-products .pf-matrix__row dd.num {
  font-family: var(--ff-mono);
  color: var(--neon);
}

/* ---------- 主体骨架 ---------- */
.page-products .pf-body {
  padding-bottom: 80px;
  background:
    linear-gradient(180deg, var(--ice-deep) 0%, var(--ice-abyss) 46%, var(--ice-abyss) 100%);
}

.page-products .pf-body__grid {
  display: block;
}

.page-products .pf-index {
  display: none;
}

.page-products .pf-index__title {
  margin: 0 0 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-products .pf-index__link {
  display: block;
  padding: 7px 0 7px 12px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-mute);
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease, transform var(--dur) linear;
}

.page-products .pf-index__link:hover,
.page-products .pf-index__link:focus-visible {
  color: var(--ice-white);
  border-left-color: var(--ice-light);
}

.page-products .pf-index__link[aria-current="true"] {
  color: var(--neon);
  border-left-color: var(--neon);
  transform: translateX(2px);
}

/* ---------- 区块 ---------- */
.page-products .pf-block {
  padding: 44px 0 6px;
  border-top: 1px solid var(--line);
}

.page-products .pf-sections > .pf-block:first-child {
  padding-top: 32px;
  border-top: 0;
}

.page-products .pf-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no title"
    "no sub";
  column-gap: 14px;
  align-items: start;
  margin-bottom: 26px;
  padding-left: 14px;
  border-left: 3px solid var(--neon);
}

.page-products .pf-block__no {
  grid-area: no;
  font-family: var(--ff-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
  letter-spacing: -0.02em;
}

.page-products .pf-block__title {
  grid-area: title;
  margin: 0;
  font-family: var(--ff-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ice-white);
}

.page-products .pf-block__sub {
  grid-area: sub;
  margin: 6px 0 0;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-products .pf-block__body > p {
  margin: 0 0 16px;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--ice-pale);
}

.page-products .pf-block__body a {
  color: var(--ice-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products .pf-block__body a:hover,
.page-products .pf-block__body a:focus-visible {
  color: var(--neon);
}

.page-products .pf-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--ice-bright);
  background: rgba(18, 58, 87, 0.42);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-mute);
}

/* ---------- 分栏 ---------- */
.page-products .pf-split {
  display: grid;
  gap: 24px;
}

.page-products .pf-split__text > p {
  margin: 0 0 16px;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--ice-pale);
}

.page-products .pf-split__media {
  margin: 0;
  border: 2px solid var(--line-strong);
  background: var(--ice-mid);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-products .pf-split__media figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--line-strong);
  background: rgba(6, 18, 31, 0.55);
  font-family: var(--ff-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--fg-mute);
}

.page-products .pf-split__media--wide {
  margin: 20px 0;
}

/* ---------- 联赛胶囊 ---------- */
.page-products .pf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
  padding: 0 0 18px;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-chips li {
  padding: 5px 11px;
  border: 1px solid var(--line-strong);
  background: var(--ice-mid);
  font-size: 13px;
  color: var(--ice-light);
}

.page-products .pf-chips li.is-on {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: 0 0 0 1px rgba(182, 255, 60, 0.35) inset;
}

/* ---------- 前瞻四字段 ---------- */
.page-products .pf-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 20px 0 8px;
  padding: 0;
  list-style: none;
  border: 2px solid var(--line-strong);
  background: var(--line-strong);
}

.page-products .pf-fields__item {
  padding: 16px;
  background: var(--ice-deep);
}

.page-products .pf-fields__title {
  margin: 0 0 6px;
  font-family: var(--ff-display);
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--neon);
  letter-spacing: 0.01em;
}

.page-products .pf-fields__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ice-pale);
}

/* ---------- 读法列表 ---------- */
.page-products .pf-read {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .pf-read__item {
  padding: 14px 16px;
  background: var(--pf-cell-bg);
  border-left: 2px solid var(--ice-bright);
}

.page-products .pf-read__label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .pf-read__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ice-pale);
}

/* ---------- 步骤条 ---------- */
.page-products .pf-steps-group {
  margin-top: 24px;
}

.page-products .pf-steps-group__title {
  margin: 0 0 12px;
  font-family: var(--ff-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ice-light);
}

.page-products .pf-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pf-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  background: var(--pf-cell-bg);
  border: 1px solid var(--line);
  border-left: 2px solid var(--neon);
}

.page-products .pf-steps__dot {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--neon);
  font-family: var(--ff-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--neon);
}

.page-products .pf-steps__name {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ice-white);
}

.page-products .pf-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--fg-mute);
}

/* ---------- 版本表 ---------- */
.page-products .pf-table-wrap {
  margin: 20px 0;
  overflow-x: auto;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--ice-deep);
}

.page-products .pf-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pf-table__caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  border-bottom: 1px solid var(--line-strong);
  background: rgba(6, 18, 31, 0.6);
}

.page-products .pf-table thead th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice-light);
  background: var(--ice-mid);
  border-bottom: 2px solid var(--line-strong);
  white-space: nowrap;
}

.page-products .pf-table tbody th,
.page-products .pf-table tbody td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  color: var(--ice-pale);
  border-bottom: 1px solid var(--line);
}

.page-products .pf-table tbody th {
  color: var(--ice-white);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .pf-table tbody tr:nth-child(even) {
  background: rgba(11, 34, 55, 0.62);
}

.page-products .pf-table tbody tr:hover {
  background: rgba(30, 90, 125, 0.38);
}

.page-products .pf-table .pf-current {
  color: var(--neon);
}

.page-products .pf-table thead th.pf-current {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 场景卡 ---------- */
.page-products .pf-scenes {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.page-products .pf-scene {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: var(--ice-deep);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) ease, border-color var(--dur) ease, box-shadow var(--dur) ease;
}

.page-products .pf-scene:hover,
.page-products .pf-scene:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--neon);
  box-shadow: 8px 8px 0 rgba(182, 255, 60, 0.16);
}

.page-products .pf-scene__time {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-products .pf-scene__title {
  margin: 0;
  font-family: var(--ff-display);
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ice-white);
}

.page-products .pf-scene p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-mute);
}

.page-products .pf-scene__go {
  margin-top: 4px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--neon);
}

/* ---------- 接入支持 ---------- */
.page-products .pf-access {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--line-strong);
  border: 2px solid var(--line-strong);
}

.page-products .pf-access__col {
  padding: 18px;
  background: var(--ice-deep);
}

.page-products .pf-access__title {
  margin: 0 0 8px;
  font-family: var(--ff-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--neon);
}

.page-products .pf-access__col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ice-pale);
}

.page-products .pf-access__more {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pf-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pf-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 760px) {
  .page-products .pf-hero {
    padding-top: calc(var(--header-h) + 56px);
    padding-bottom: 76px;
  }

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

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

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

@media (min-width: 900px) {
  .page-products .pf-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-products .pf-split--flip .pf-split__media {
    order: -1;
  }

  .page-products .pf-split__media--wide {
    grid-column: 1 / -1;
  }

  .page-products .pf-block {
    padding-top: 56px;
  }
}

@media (min-width: 1040px) {
  .page-products .pf-body__grid {
    display: grid;
    grid-template-columns: var(--pf-index-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pf-index {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    padding-top: 32px;
  }

  .page-products .pf-scenes {
    grid-template-columns: 1fr;
  }

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

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

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

  .page-products .pf-matrix__cell:hover,
  .page-products .pf-scene:hover,
  .page-products .pf-scene:focus-visible,
  .page-products .pf-index__link[aria-current="true"] {
    transform: none;
  }
}
<<<END>>>