.page-products {
  --pf-border: rgba(200, 216, 208, 0.28);
  --pf-border-dark: rgba(16, 24, 21, 0.18);
  --pf-gap: clamp(18px, 3vw, 40px);
  background-color: var(--green);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: var(--STEP-0);
  line-height: 1.6;
}

/* ---------- 首屏报头 ---------- */
.page-products .pf-masthead {
  position: relative;
  padding: clamp(20px, 3vw, 36px) 0 clamp(44px, 7vw, 88px);
  background:
    radial-gradient(circle at 84% 14%, rgba(0, 229, 195, 0.14), transparent 44%),
    radial-gradient(circle at 6% 94%, rgba(255, 107, 53, 0.13), transparent 46%),
    var(--green);
  overflow: hidden;
}

.page-products .pf-masthead .breadcrumb {
  color: var(--mist);
}

.page-products .pf-masthead__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(22px, 4vw, 44px);
}

.page-products .pf-masthead__eyebrow {
  color: var(--cyan);
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-products .pf-masthead__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 10vw, 5.25rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(18px, 2.6vw, 30px);
  color: var(--cream);
}

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

.page-products .pf-masthead__line:nth-child(2) {
  padding-left: 0.14em;
}

.page-products .pf-masthead__lede {
  color: var(--paper);
  font-size: var(--step-1);
  line-height: 1.7;
  margin: 0 0 clamp(22px, 3vw, 34px);
}

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

.page-products .pf-board {
  border-top: 1px solid var(--pf-border);
  padding-top: 14px;
}

.page-products .pf-board__eyebrow {
  color: var(--mist);
  margin: 0 0 12px;
}

.page-products .pf-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pf-border);
  border: 1px solid var(--pf-border);
}

.page-products .pf-board__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
  background: rgba(11, 61, 46, 0.92);
  padding: 12px 14px;
}

.page-products .pf-board__num {
  font-size: 1.25rem;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-products .pf-board__label {
  font-size: 0.8125rem;
  color: var(--mist);
}

/* ---------- 章节骨架 ---------- */
.page-products .pf-section {
  padding: clamp(42px, 6.5vw, 92px) 0;
}

.page-products .pf-section--paper {
  background: var(--paper);
  color: var(--charcoal);
}

.page-products .pf-section--ink {
  background: var(--ink);
  color: var(--cream);
}

.page-products .pf-section--paper .eyebrow,
.page-products .pf-panel--paper .eyebrow {
  color: var(--deep-orange);
}

.page-products .pf-section--ink .eyebrow,
.page-products .pf-panel--ink .eyebrow {
  color: var(--cyan);
}

.page-products .pf-h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.65rem, 5.4vw, 2.65rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 24em;
}

.page-products .pf-h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  letter-spacing: 0;
  margin: 0 0 12px;
}

.page-products .pf-text {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  line-height: 1.75;
}

.page-products .pf-text--small {
  font-size: 0.875rem;
  color: var(--charcoal);
  opacity: 0.86;
}

.page-products .pf-section--ink .pf-text--small {
  color: var(--mist);
  opacity: 1;
}

.page-products .pf-link {
  color: var(--deep-orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color var(--ease), border-color var(--ease);
}

.page-products .pf-section--ink .pf-link {
  color: var(--cyan);
}

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

/* ---------- 图与说明 ---------- */
.page-products .pf-fig {
  margin: 0;
  border: 1px solid var(--pf-border);
  background: rgba(247, 241, 231, 0.05);
  padding: 8px;
}

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

.page-products .pf-fig figcaption {
  font-family: var(--font-data);
  font-size: var(--micro);
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--mist);
  padding: 10px 4px 2px;
}

.page-products .pf-fig--paper {
  border-color: var(--pf-border-dark);
  background: var(--cream);
}

.page-products .pf-fig--paper figcaption {
  color: var(--charcoal);
  opacity: 0.78;
}

/* ---------- 总览 ---------- */
.page-products .pf-line {
  display: block;
  width: 100%;
  height: 64px;
  color: var(--deep-orange);
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .pf-overview {
  display: grid;
  gap: var(--pf-gap);
}

.page-products .pf-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pf-border-dark);
  border: 1px solid var(--pf-border-dark);
}

.page-products .pf-step {
  background: var(--cream);
  padding: clamp(16px, 2.4vw, 22px);
}

.page-products .pf-step__no {
  display: inline-block;
  font-size: var(--index);
  color: var(--deep-orange);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.page-products .pf-step__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.page-products .pf-step p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
}

/* ---------- 工作台 ---------- */
.page-products .pf-workbench {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 76px) var(--gutter) 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-products .pf-rail__eyebrow {
  color: var(--mist);
  margin: 0 0 10px;
}

.page-products .pf-rail__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pf-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 10px 14px;
  border: 1px solid var(--pf-border);
  color: var(--mist);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-products .pf-rail__no {
  font-size: var(--index);
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .pf-rail__link:hover,
.page-products .pf-rail__link:focus-visible {
  color: var(--cream);
  border-color: var(--cyan);
  background: rgba(0, 229, 195, 0.08);
}

.page-products .pf-rail__note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
  max-width: 30em;
}

.page-products .pf-flow {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  min-width: 0;
}

/* ---------- 功能面板 ---------- */
.page-products .pf-panel {
  position: relative;
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--pf-border);
}

.page-products .pf-panel::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 72px;
  height: 3px;
  background: var(--cyan);
}

.page-products .pf-panel--ink {
  background: var(--ink);
  color: var(--cream);
}

.page-products .pf-panel--paper {
  background: var(--paper);
  color: var(--charcoal);
  border-color: var(--pf-border-dark);
}

.page-products .pf-panel--paper::after {
  background: var(--deep-orange);
}

.page-products .pf-panel .pf-fig {
  margin-top: clamp(18px, 2.4vw, 26px);
}

/* ---------- 复盘条件 ---------- */
.page-products .pf-conds {
  list-style: none;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pf-border);
  border: 1px solid var(--pf-border);
}

.page-products .pf-cond {
  display: grid;
  grid-template-columns: 2.2rem minmax(3.4em, auto) 1fr;
  align-items: baseline;
  gap: 8px 10px;
  background: var(--ink);
  padding: 11px 13px;
  font-size: 0.9375rem;
}

.page-products .pf-cond__no {
  font-size: var(--micro);
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-products .pf-cond__k {
  font-family: var(--font-data);
  font-weight: 600;
  color: var(--cream);
  letter-spacing: 0.02em;
}

.page-products .pf-cond__v {
  color: var(--mist);
  line-height: 1.6;
}

/* ---------- 数字组 ---------- */
.page-products .pf-figures {
  display: grid;
  gap: 1px;
  background: var(--pf-border-dark);
  border: 1px solid var(--pf-border-dark);
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-products .pf-figure {
  background: var(--cream);
  padding: 14px 16px;
  display: grid;
  gap: 4px;
}

.page-products .pf-figure__num {
  font-size: 1.25rem;
  color: var(--deep-orange);
  letter-spacing: 0.01em;
}

.page-products .pf-figure__label {
  font-size: 0.8125rem;
  color: var(--charcoal);
  opacity: 0.8;
}

/* ---------- 导出格式 ---------- */
.page-products .pf-formats {
  display: grid;
  gap: 1px;
  background: var(--pf-border);
  border: 1px solid var(--pf-border);
  margin-bottom: clamp(16px, 2.2vw, 22px);
}

.page-products .pf-format {
  background: rgba(0, 229, 195, 0.06);
  padding: 14px 16px;
}

.page-products .pf-format__name {
  font-family: var(--font-data);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin: 0 0 6px;
}

.page-products .pf-format__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pf-copy {
  margin: 0 0 4px;
}

/* ---------- 排名 ---------- */
.page-products .pf-rank {
  display: grid;
  gap: var(--pf-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pf-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pf-border-dark);
  border: 1px solid var(--pf-border-dark);
}

.page-products .pf-metric {
  background: var(--cream);
  padding: 14px 15px;
}

.page-products .pf-metric__name {
  font-family: var(--font-data);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--deep-orange);
  margin: 0 0 6px;
}

.page-products .pf-metric p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.68;
}

/* ---------- 协同 ---------- */
.page-products .pf-split {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
}

.page-products .pf-bullets {
  list-style: none;
  margin: 0 0 clamp(14px, 2vw, 20px);
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pf-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pf-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 角色与版本 ---------- */
.page-products .pf-roles {
  display: grid;
  gap: 1px;
  background: var(--pf-border-dark);
  border: 1px solid var(--pf-border-dark);
  margin: clamp(18px, 2.6vw, 28px) 0 clamp(24px, 3.4vw, 38px);
}

.page-products .pf-role {
  background: var(--cream);
  padding: clamp(16px, 2.4vw, 22px);
}

.page-products .pf-role__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1rem;
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}

.page-products .pf-role p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
}

.page-products .pf-versions {
  display: grid;
  gap: 12px;
  margin-bottom: 15px;
}

.page-products .pf-version {
  border-left: 2px solid var(--deep-orange);
  padding: 4px 0 4px 14px;
}

.page-products .pf-version__no {
  display: block;
  font-size: 0.9375rem;
  color: var(--deep-orange);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.page-products .pf-version p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 收尾 ---------- */
.page-products .pf-cta {
  background:
    linear-gradient(90deg, var(--cyan), var(--orange)) top left / 100% 3px no-repeat,
    var(--ink);
  color: var(--cream);
  padding: clamp(38px, 6vw, 74px) 0;
}

.page-products .pf-cta__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .pf-cta__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.55rem, 4.6vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}

.page-products .pf-cta__text {
  margin: 0;
  max-width: 46em;
  line-height: 1.75;
  color: var(--mist);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pf-figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pf-versions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

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

@media (min-width: 900px) {
  .page-products .pf-masthead__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(250px, 0.85fr);
    align-items: end;
  }

  .page-products .pf-overview {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .pf-rank {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

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

  .page-products .pf-cta__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, auto);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-products .pf-workbench {
    grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 3vw, 40px);
  }

  .page-products .pf-rail {
    position: sticky;
    top: 110px;
    border-top: 1px solid var(--pf-border);
    padding-top: 14px;
  }

  .page-products .pf-rail__list {
    flex-direction: column;
    overflow: visible;
  }

  .page-products .pf-rail__link {
    border: 0;
    border-left: 2px solid var(--pf-border);
    padding: 12px 14px;
  }

  .page-products .pf-rail__link:hover,
  .page-products .pf-rail__link:focus-visible {
    border-left-color: var(--orange);
    background: rgba(0, 229, 195, 0.06);
  }
}

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

  .page-products .pf-line {
    height: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-link,
  .page-products .pf-rail__link {
    transition: none;
  }
}
<<<END>>>