.page-products {
  --pd-gap: clamp(20px, 3.4vw, 44px);
  --pd-card-shift: clamp(14px, 3.6vw, 52px);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0 0 .42em;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: .012em;
}

.page-products p {
  margin: 0 0 .9em;
  line-height: 1.82;
}

.page-products .eyebrow {
  margin: 0 0 .9em;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-products .tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-products .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(30px, 5vw, 68px);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(255, 90, 31, .18), transparent 58%),
    radial-gradient(90% 70% at 8% 100%, rgba(46, 91, 71, .55), transparent 62%),
    var(--ink);
  color: var(--paper);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(46%, 520px);
  height: 6px;
  background: var(--signal);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12% 100%);
}

.page-products .pd-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  align-items: end;
}

.page-products .pd-hero__title {
  margin: 0 0 .5em;
  font-size: clamp(34px, 8vw, 92px);
  line-height: .96;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-products .pd-hero__lead .lede {
  max-width: 58ch;
  color: var(--steel);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(16px, 2.4vw, 26px);
}

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

.page-products .pd-hero__figure .media-frame {
  border: 1px solid var(--line-dark-strong);
}

.page-products .pd-hero__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-float {
  position: absolute;
  z-index: 2;
  display: inline-block;
  padding: 6px 10px;
  border-radius: var(--radius);
  background: var(--signal);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .32);
}

.page-products .pd-float--a {
  top: 10px;
  right: 10px;
  transform: rotate(-1.5deg);
}

.page-products .pd-float--b {
  bottom: 12px;
  left: 10px;
  background: var(--ember);
  transform: rotate(1deg);
}

.page-products .pd-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 4vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.page-products .pd-stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 14px 16px;
  background: var(--ink);
}

.page-products .pd-stat__num {
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 600;
  color: var(--signal);
  letter-spacing: -.01em;
}

.page-products .pd-stat__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--steel);
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-chapter {
  padding: clamp(38px, 6vw, 84px) 0;
  border-top: 1px solid var(--line-light);
}

.page-products .pd-chapter--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-products .pd-chapter--dark {
  background: var(--ink);
  color: var(--paper);
  border-top-color: var(--line-dark);
}

.page-products .pd-chapter--dark h2,
.page-products .pd-chapter--dark h3 {
  color: var(--paper);
}

.page-products .pd-chapter--dark p {
  color: var(--steel);
}

.page-products .pd-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2.6vw, 30px);
  align-items: start;
  margin-bottom: clamp(24px, 3.6vw, 46px);
}

.page-products .pd-chapter__head > div > p {
  max-width: 66ch;
  margin-bottom: 0;
}

.page-products .pd-chapter__head h2 {
  font-size: clamp(25px, 4.2vw, 44px);
}

.page-products .pd-no {
  font-family: var(--font-mono);
  font-size: clamp(30px, 6.4vw, 78px);
  font-weight: 700;
  line-height: .82;
  color: var(--clay);
}

.page-products .pd-chapter--dark .pd-no {
  color: var(--signal);
}

/* ---------- 01 工具台 ---------- */
.page-products .pd-console {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  align-items: start;
}

.page-products .pd-filter {
  padding: 20px 18px 18px;
  background: var(--ink);
  color: var(--paper);
  border-left: 3px solid var(--signal);
}

.page-products .pd-filter__title {
  margin: 0 0 .8em;
  font-size: 18px;
  color: var(--paper);
}

.page-products .pd-filter__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pd-filter__list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 2px;
  background: var(--ink);
}

.page-products .pd-filter__key {
  font-size: 13px;
  color: var(--steel);
}

.page-products .pd-filter__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .pd-filter__help {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-dark);
}

.page-products .pd-filter__help > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--ember);
  transition: color var(--dur-fast) var(--ease);
}

.page-products .pd-filter__help > summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-filter__help > summary::before {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--signal);
}

.page-products .pd-filter__help[open] > summary::before {
  content: "−";
}

.page-products .pd-filter__help > summary:hover,
.page-products .pd-filter__help > summary:focus-visible {
  color: var(--signal);
}

.page-products .pd-filter__help p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .pd-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

.page-products .pd-card {
  padding: clamp(16px, 2.2vw, 24px);
  background: rgba(255, 255, 255, .74);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--moss);
  transition: border-color var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}

.page-products .pd-card--offset {
  border-left-color: var(--signal);
  background: rgba(255, 255, 255, .9);
}

.page-products .pd-card--cup {
  border-left-color: var(--clay);
}

.page-products .pd-card:hover,
.page-products .pd-card:focus-within {
  border-color: var(--signal);
  transform: translateY(-2px);
}

.page-products .pd-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 12px;
}

.page-products .pd-card__league {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-products .pd-card h3 {
  font-size: clamp(18px, 2.2vw, 23px);
  color: var(--ink);
}

.page-products .pd-card > p {
  font-size: 15px;
  line-height: 1.8;
  color: #26382F;
}

.page-products .pd-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--slate);
}

.page-products .pd-card__more {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-light);
}

.page-products .pd-card__more > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--moss);
  transition: color var(--dur-fast) var(--ease);
}

.page-products .pd-card__more > summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-card__more > summary::before {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--signal);
}

.page-products .pd-card__more[open] > summary::before {
  content: "−";
}

.page-products .pd-card__more > summary:hover,
.page-products .pd-card__more > summary:focus-visible {
  color: var(--signal);
}

.page-products .pd-card__facts {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
}

.page-products .pd-card__facts dt {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-card__facts dd {
  margin: 3px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 02 卡片拆解 ---------- */
.page-products .pd-anatomy {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
}

.page-products .pd-anatomy__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-anatomy__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-dark);
}

.page-products .pd-anatomy__item:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pd-anatomy__k {
  padding-top: 3px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ember);
  letter-spacing: .1em;
}

.page-products .pd-anatomy__item h3 {
  font-size: clamp(17px, 2vw, 21px);
  margin-bottom: .3em;
}

.page-products .pd-anatomy__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-products .pd-anatomy__visual {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .pd-viz {
  padding: 12px;
  background: var(--ink-soft);
  border: 1px solid var(--line-dark);
}

.page-products .pd-viz svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-anatomy__figure {
  margin: 0;
}

.page-products .pd-anatomy__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-anatomy__source {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--signal);
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 03 观赛计划 ---------- */
.page-products .pd-plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  align-items: start;
}

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

.page-products .pd-step {
  padding: 18px;
  background: var(--ink);
  color: var(--paper);
  border-top: 3px solid var(--signal);
}

.page-products .pd-step__no {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--ember);
}

.page-products .pd-step h3 {
  font-size: clamp(16px, 1.9vw, 20px);
  color: var(--paper);
  margin-bottom: .35em;
}

.page-products .pd-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pd-plan__tip {
  margin: 16px 0 0;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink);
  background: var(--moss-wash);
  border-left: 2px solid var(--clay);
}

.page-products .pd-plan__figure {
  margin: 0;
}

.page-products .pd-plan__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 04 速度 ---------- */
.page-products .pd-speed {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  align-items: start;
}

.page-products .pd-speed__num {
  margin: 0 0 .1em;
  font-size: clamp(58px, 15vw, 148px);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -.02em;
  color: var(--signal);
}

.page-products .pd-speed__num small {
  margin-left: 10px;
  font-size: .24em;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-products .pd-speed__cap {
  margin: 0 0 18px;
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--steel);
}

.page-products .pd-speed__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pd-speed__list li {
  padding: 12px 2px;
  background: var(--ink);
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .pd-speed__list strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .pd-speed__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pd-speed__figure {
  margin: 0;
}

.page-products .pd-speed__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 05 专题联动 ---------- */
.page-products .pd-topic {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-products .pd-topic__panel {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  background: var(--moss);
  color: var(--paper);
  overflow: hidden;
}

.page-products .pd-topic__panel::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  background: var(--signal);
  opacity: .22;
  transform: rotate(45deg);
}

.page-products .pd-topic__kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ember);
}

.page-products .pd-topic__title {
  font-size: clamp(21px, 3vw, 30px);
  color: var(--paper);
}

.page-products .pd-topic__text {
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(245, 240, 228, .84);
}

.page-products .pd-topic__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .pd-topic__points li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .pd-topic__dot {
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--signal);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

/* ---------- 06 使用场景 ---------- */
.page-products .pd-audience {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  align-items: start;
}

.page-products .pd-audience__body {
  display: grid;
  gap: 14px;
}

.page-products .pd-audience__item {
  padding: 18px;
  background: var(--ink-soft);
  border-left: 2px solid var(--line-dark-strong);
  transition: border-color var(--dur-base) var(--ease), background var(--dur-base) var(--ease);
}

.page-products .pd-audience__item:first-child {
  border-left-color: var(--signal);
}

.page-products .pd-audience__item:hover {
  background: var(--moss);
  border-left-color: var(--ember);
}

.page-products .pd-audience__item h3 {
  font-size: clamp(17px, 2vw, 21px);
  margin: 10px 0 .35em;
  color: var(--paper);
}

.page-products .pd-audience__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

.page-products .pd-audience__figure {
  margin: 0;
}

.page-products .pd-audience__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 收尾 ---------- */
.page-products .pd-cta {
  position: relative;
  padding: clamp(34px, 5vw, 64px) 0;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-products .pd-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--signal) 0%, var(--signal) 38%, var(--clay) 38%, var(--clay) 58%, var(--line-dark) 58%);
}

.page-products .pd-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  align-items: center;
}

.page-products .pd-cta__text h2 {
  font-size: clamp(23px, 3.6vw, 38px);
  color: var(--paper);
}

.page-products .pd-cta__text p {
  max-width: 56ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .btn {
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-products .btn:hover,
.page-products .btn:focus-visible {
  transform: translateY(-2px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pd-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pd-topic {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }

  .page-products .pd-float--a {
    top: -14px;
    right: -14px;
  }

  .page-products .pd-float--b {
    bottom: -14px;
    left: -16px;
  }

  .page-products .pd-console {
    grid-template-columns: minmax(236px, 300px) minmax(0, 1fr);
    gap: clamp(24px, 3.2vw, 48px);
  }

  .page-products .pd-filter {
    position: sticky;
    top: 92px;
  }

  .page-products .pd-card:nth-child(2) {
    margin-left: var(--pd-card-shift);
  }

  .page-products .pd-card:nth-child(3) {
    margin-left: calc(var(--pd-card-shift) / 2.6);
    margin-right: clamp(0px, 1.6vw, 22px);
  }

  .page-products .pd-anatomy {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-products .pd-plan {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-products .pd-speed {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-products .pd-audience {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  }

  .page-products .pd-cta__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
  }

  .page-products .pd-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-products .pd-hero__lead .lede {
    padding-right: 12px;
  }

  .page-products .pd-anatomy__item {
    padding: 18px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-card,
  .page-products .pd-btn,
  .page-products .btn,
  .page-products .pd-audience__item {
    transition: none;
  }

  .page-products .btn:hover,
  .page-products .btn:focus-visible,
  .page-products .pd-card:hover,
  .page-products .pd-card:focus-within {
    transform: none;
  }
}
<<<END>>>