.page-products {
  --prod-rail: 236px;
  --prod-line-gap: 18px;
}

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

.page-products .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-1);
  border-radius: 0;
}

.page-products .media-frame--wide img {
  aspect-ratio: 16 / 10;
  width: 100%;
  filter: saturate(.85) contrast(1.05);
}

.page-products .media-frame--tall img {
  aspect-ratio: 3 / 4;
  width: 100%;
  filter: saturate(.85) contrast(1.05);
}

.page-products .media-frame__cap {
  display: block;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
  border-top: 1px solid var(--line);
  background: rgba(7, 9, 12, .72);
}

/* ---------- 开篇工作台 ---------- */

.page-products .ws-open {
  padding-top: clamp(22px, 4vw, 48px);
}

.page-products .ws-open__grid {
  display: grid;
  gap: 30px;
  margin-top: 22px;
}

.page-products h1 {
  margin: .34em 0 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-size: clamp(31px, 5.6vw, 58px);
  line-height: 1.05;
  letter-spacing: .015em;
  color: var(--paper);
  text-wrap: balance;
}

.page-products .ws-open .lede {
  margin-top: 18px;
  max-width: 56ch;
}

.page-products .ws-kpis {
  list-style: none;
  margin: 26px 0 0;
  padding: 18px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
  gap: 14px;
  border-top: 1px solid var(--line);
}

.page-products .ws-kpis li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--rock);
}

.page-products .ws-kpis__n {
  font-size: 24px;
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-products .ws-kpis li:nth-child(2) .ws-kpis__n {
  color: var(--gold);
}

.page-products .ws-kpis__l {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: .04em;
}

.page-products .ws-open__media {
  align-self: stretch;
}

/* ---------- 工具总览：索引 + 卡片 ---------- */

.page-products .ws {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-products .ws-rail {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
}

.page-products .ws-rail__cap {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .ws-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .ws-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px 9px 10px;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-products .ws-rail__list a .mono {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--rock);
  transition: color .18s var(--ease);
}

.page-products .ws-rail__list a:hover,
.page-products .ws-rail__list a:focus-visible {
  color: var(--paper);
  background: rgba(47, 123, 255, .1);
  border-left-color: var(--blue);
}

.page-products .ws-rail__list a:hover .mono,
.page-products .ws-rail__list a:focus-visible .mono {
  color: var(--gold);
}

.page-products .ws-rail__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .tool-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .tool-card {
  position: relative;
  padding: 24px 20px 20px;
  background: linear-gradient(158deg, rgba(36, 44, 51, .68), rgba(12, 16, 20, .94));
  border: 1px solid var(--line);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .tool-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
  opacity: .5;
  transition: opacity .2s var(--ease);
}

.page-products .tool-card:hover,
.page-products .tool-card:focus-within {
  border-color: var(--line-strong);
}

.page-products .tool-card:hover::before,
.page-products .tool-card:focus-within::before {
  opacity: 1;
}

.page-products .tool-card__num {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--blue);
}

.page-products .tool-card__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .tool-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .tool-card__use {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .tool-card__use span {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-0);
  background: var(--gold);
}

/* ---------- BP 统计 ---------- */

.page-products .bp-work {
  display: grid;
  gap: var(--prod-line-gap);
  margin-top: 30px;
}

.page-products .bp-filters {
  padding: 20px 18px;
  background: rgba(12, 16, 20, .8);
  border: 1px solid var(--line);
  border-left: 2px solid var(--blue);
}

.page-products .bp-filter + .bp-filter {
  margin-top: 16px;
}

.page-products .bp-filter__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-products .filter-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .filter-chip {
  display: inline-block;
  padding: 5px 11px;
  font-size: 13px;
  color: var(--mist);
  border: 1px solid var(--line);
  background: rgba(36, 44, 51, .4);
  cursor: default;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-products .filter-chip:hover {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-products .filter-chip.is-on {
  color: var(--ink-0);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-products .bp-copy {
  margin-top: 22px;
  width: 100%;
}

.page-products .bp-table-wrap {
  min-width: 0;
}

.page-products .bp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .bp-table thead th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--mist);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-products .bp-table tbody th,
.page-products .bp-table tbody td {
  padding: 13px 12px;
  text-align: left;
  color: var(--paper);
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.page-products .bp-table tbody th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--gold);
  white-space: nowrap;
}

.page-products .bp-table tbody tr {
  transition: background .16s var(--ease);
}

.page-products .bp-table tbody tr:hover,
.page-products .bp-table tbody tr:focus-within {
  background: rgba(47, 123, 255, .12);
}

.page-products .bp-table .num {
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-products .rate {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 118px;
}

.page-products .rate__track {
  flex: 1 1 54px;
  height: 4px;
  background: rgba(168, 178, 188, .2);
  overflow: hidden;
}

.page-products .rate__bar {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
}

.page-products .rate__val {
  font-size: 12px;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .bp-foot {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .bp-media {
  margin-top: 28px;
}

/* ---------- 指标 ---------- */

.page-products .metric-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-top: 30px;
}

.page-products .metric-card {
  position: relative;
  padding: 22px 18px;
  background: rgba(12, 16, 20, .86);
  border: 1px solid var(--line);
  border-top: 2px solid var(--rock);
  transition: border-top-color .2s var(--ease);
}

.page-products .metric-card:hover {
  border-top-color: var(--cyan);
}

.page-products .metric-card__name {
  margin: 0;
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-products .metric-card__val {
  margin: 10px 0 12px;
  font-size: clamp(30px, 5vw, 40px);
  line-height: 1;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-products .metric-card__val span {
  font-size: .46em;
  color: var(--cyan);
  margin-left: 2px;
}

.page-products .metric-card__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--mist);
}

.page-products .metrics-media {
  margin-top: 26px;
}

/* ---------- 回放 ---------- */

.page-products .replay-split {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-products .replay-side {
  padding: 18px;
  background: linear-gradient(150deg, rgba(36, 44, 51, .5), rgba(7, 9, 12, .9));
  border: 1px solid var(--line);
}

.page-products .econ {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .econ__grid line {
  stroke: rgba(168, 178, 188, .15);
  stroke-width: 1;
}

.page-products .econ__line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.4;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-products .econ__nodes circle {
  fill: var(--gold);
  stroke: var(--ink-0);
  stroke-width: 2;
}

.page-products .replay-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.page-products .replay-list li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .replay-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}

.page-products .replay-list .mono {
  display: inline-block;
  margin-right: 8px;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .04em;
}

/* ---------- 订阅 ---------- */

.page-products .sub-grid {
  display: grid;
  gap: 24px;
  margin-top: 8px;
}

.page-products .sub-cta {
  margin-top: 22px;
}

.page-products .sub-cards {
  display: grid;
  gap: 14px;
}

.page-products .sub-card {
  padding: 22px 18px;
  background: linear-gradient(200deg, rgba(47, 123, 255, .14), rgba(12, 16, 20, .94));
  border: 1px solid var(--line);
  border-right: 2px solid var(--blue);
}

.page-products .sub-card__tag {
  margin: 0 0 12px;
}

.page-products .sub-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .sub-card__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- iOS ---------- */

.page-products .ios-grid {
  display: grid;
  gap: 26px;
  margin-top: 8px;
}

.page-products .ios-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .ios-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .ios-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--blue);
  background: rgba(47, 123, 255, .22);
}

.page-products .ios-tip {
  margin-top: 24px;
  padding: 18px 16px;
  background: rgba(255, 178, 74, .08);
  border: 1px solid rgba(255, 178, 74, .34);
}

.page-products .ios-tip__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .ios-tip__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .ios-tip__text a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-products .ios-tip__text a:hover,
.page-products .ios-tip__text a:focus-visible {
  color: var(--gold);
}

.page-products .ios-media {
  max-width: 420px;
  margin: 0 auto;
}

/* ---------- 上手路径 ---------- */

.page-products .start-list {
  display: grid;
  gap: 2px;
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

.page-products .start-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background .18s var(--ease);
}

.page-products .start-item:hover {
  background: rgba(47, 123, 255, .07);
}

.page-products .start-item__num {
  font-size: 16px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: 2px;
}

.page-products .start-item__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .start-item__body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}

.page-products .start-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 123, 255, .45);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-products .start-link:hover,
.page-products .start-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .ws-open__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .bp-work {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .replay-split {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .sub-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 40px;
    align-items: center;
  }

  .page-products .ios-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .62fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .ios-media {
    margin: 0;
  }

  .page-products .start-item {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 26px 0;
  }
}

@media (min-width: 1000px) {
  .page-products .ws {
    grid-template-columns: var(--prod-rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .ws-rail {
    position: sticky;
    top: 32px;
  }

  .page-products .ws-rail__list a {
    padding-left: 12px;
  }
}

@media (min-width: 1100px) {
  .page-products .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-card,
  .page-products .start-item,
  .page-products .bp-table tbody tr,
  .page-products .metric-card,
  .page-products .ws-rail__list a,
  .page-products .start-link {
    transition: none;
  }
}
<<<END>>>