.page-products {
  --pp-gap: clamp(18px, 3vw, 34px);
  --pp-edge: 1px solid var(--gc-line);
  background: var(--gc-ink);
  color: var(--gc-near);
  overflow-x: clip;
}

/* 首屏 */
.page-products .pp-hero {
  position: relative;
  padding: calc(var(--gc-header-h) + 30px) 0 clamp(34px, 5.4vw, 68px);
  border-bottom: var(--pp-edge);
  background:
    linear-gradient(180deg, rgba(108, 76, 241, 0.16), rgba(8, 11, 26, 0) 62%),
    var(--gc-ink);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(29, 39, 64, 0.6) 0 1px, transparent 1px 74px),
    repeating-linear-gradient(0deg, rgba(29, 39, 64, 0.6) 0 1px, transparent 1px 74px);
  -webkit-mask-image: linear-gradient(180deg, #000 6%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 6%, transparent 88%);
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  width: min(900px, 126vw);
  aspect-ratio: 1;
  right: -36%;
  top: -46%;
  border-radius: 50%;
  border: 1px solid rgba(108, 76, 241, 0.5);
  box-shadow: inset 0 0 140px rgba(55, 214, 208, 0.1);
  pointer-events: none;
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero__split {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-products .pp-hero__kicker {
  font-size: 12px;
  letter-spacing: 0.14em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-products .pp-hero__title {
  font-family: var(--gc-font-display);
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 0 0 18px;
  color: var(--gc-near);
  max-width: 18em;
}

.page-products .pp-hero__lead {
  font-family: var(--gc-font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--gc-dust);
  margin: 0 0 26px;
  max-width: 40em;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-hero__figure {
  margin: 0;
  border: 2px solid var(--gc-line);
  background: var(--gc-ink-2);
  box-shadow: 10px 10px 0 rgba(108, 76, 241, 0.22);
  padding: 10px;
}

.page-products .pp-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--gc-ink);
}

.page-products .pp-hero__figure .gc-media__cap {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--gc-dust);
  line-height: 1.6;
}

/* 章节索引带 */
.page-products .pp-index {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 12px var(--gc-gutter);
  border-bottom: var(--pp-edge);
  background: var(--gc-ink-2);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-index .gc-index-band__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  font-size: 13px;
  border: 1px solid var(--gc-line);
  color: var(--gc-dust);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--gc-ease), border-color 0.2s var(--gc-ease);
}

.page-products .pp-index .gc-index-band__link:hover,
.page-products .pp-index .gc-index-band__link:focus-visible {
  color: var(--gc-near);
  border-color: var(--gc-cyan);
}

.page-products .pp-index .gc-index-band__link.is-active {
  color: var(--gc-ink);
  background: var(--gc-cyan);
  border-color: var(--gc-cyan);
}

/* 章节通用 */
.page-products .pp-section {
  position: relative;
  padding: clamp(46px, 7.5vw, 96px) 0;
  border-bottom: var(--pp-edge);
}

.page-products .pp-section--last {
  border-bottom: 0;
}

.page-products .pp-section__head {
  max-width: 44em;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .pp-section__lead {
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.78;
  color: var(--gc-dust);
  margin: 12px 0 0;
}

.page-products .pp-h2 {
  font-family: var(--gc-font-display);
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.24;
  letter-spacing: 0.015em;
  margin: 12px 0 0;
  color: var(--gc-near);
}

/* 轨道刻度分隔 */
.page-products .pp-rail {
  height: 22px;
  border-bottom: var(--pp-edge);
  background-image: repeating-linear-gradient(90deg, var(--gc-line) 0 1px, transparent 1px 20px);
  background-position: 0 100%;
  background-size: 100% 9px;
  background-repeat: repeat-x;
  opacity: 0.85;
}

/* 六条栏目线 */
.page-products .pp-channels {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .pp-chan {
  position: relative;
  padding: 20px 20px 18px;
  background: var(--gc-ink-2);
  border: 1px solid var(--gc-line);
  border-left: 3px solid var(--gc-violet);
  transition: transform 0.25s var(--gc-ease), border-left-color 0.25s var(--gc-ease);
}

.page-products .pp-chan:hover {
  transform: translateY(-3px);
  border-left-color: var(--gc-cyan);
}

.page-products .pp-chan__code {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gc-violet);
  margin-bottom: 10px;
}

.page-products .pp-chan__name {
  font-family: var(--gc-font-display);
  font-size: 19px;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
  color: var(--gc-near);
}

.page-products .pp-chan__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gc-dust);
  margin: 0 0 16px;
}

.page-products .pp-chan__freq {
  display: inline-block;
  font-family: var(--gc-font-mono);
  font-size: 12px;
  color: var(--gc-cyan);
  border-top: 1px solid var(--gc-line);
  padding-top: 10px;
  width: 100%;
}

.page-products .pp-callout {
  margin: clamp(22px, 3vw, 34px) 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gc-dust);
  padding-left: 16px;
  border-left: 2px solid var(--gc-orange);
}

.page-products .pp-callout--tight {
  margin-top: 22px;
}

.page-products .pp-callout a {
  color: var(--gc-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 对比评测 */
.page-products .pp-method {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  background: var(--gc-paper);
  border: 2px solid var(--gc-line);
  box-shadow: 8px 8px 0 rgba(55, 214, 208, 0.16);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-family: var(--gc-font-body);
  color: var(--gc-paper-ink);
}

.page-products .pp-table__cap {
  caption-side: top;
  text-align: left;
  padding: 16px 18px 12px;
  font-family: var(--gc-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gc-paper-ink);
  opacity: 0.72;
}

.page-products .pp-table thead th {
  background: var(--gc-paper-ink);
  color: var(--gc-paper);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-align: left;
  padding: 12px 18px;
  font-weight: 600;
}

.page-products .pp-table tbody th {
  font-size: 15px;
  font-weight: 700;
  color: var(--gc-paper-ink);
  text-align: left;
  padding: 15px 18px;
  white-space: nowrap;
  border-top: 1px solid rgba(43, 36, 22, 0.16);
  border-left: 3px solid var(--gc-violet);
}

.page-products .pp-table tbody td {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(43, 36, 22, 0.86);
  padding: 15px 18px;
  border-top: 1px solid rgba(43, 36, 22, 0.16);
}

.page-products .pp-method__aside {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-products .pp-figure {
  margin: 0;
  border: 1px solid var(--gc-line);
  background: var(--gc-ink-2);
  padding: 8px;
}

.page-products .pp-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--gc-ink);
}

.page-products .pp-figure .gc-media__cap {
  display: block;
  margin-top: 9px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--gc-dust);
}

.page-products .pp-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--gc-line);
  border: 1px solid var(--gc-line);
}

.page-products .pp-fact {
  background: var(--gc-ink-2);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pp-fact__num {
  font-size: 24px;
  letter-spacing: 0.02em;
}

.page-products .pp-fact__label {
  font-size: 13px;
  color: var(--gc-dust);
  line-height: 1.6;
}

/* 稳定版切换 */
.page-products .pp-switch {
  display: grid;
  gap: clamp(24px, 3.6vw, 40px);
}

.page-products .pp-switch__figure {
  margin: 0;
  border: 2px solid var(--gc-line);
  background: var(--gc-ink);
  padding: 12px;
  box-shadow: 8px 8px 0 rgba(255, 122, 47, 0.18);
}

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

.page-products .pp-switch__figure .gc-media__cap {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--gc-dust);
}

.page-products .pp-steps {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--gc-line);
  border: 1px solid var(--gc-line);
}

.page-products .pp-step {
  background: var(--gc-ink-2);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
}

.page-products .pp-step__num {
  font-size: 13px;
  padding-top: 4px;
}

.page-products .pp-step__title {
  font-family: var(--gc-font-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  margin: 0 0 6px;
  color: var(--gc-near);
}

.page-products .pp-step__text {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.72;
  color: var(--gc-dust);
  margin: 0;
}

.page-products .pp-switch__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pp-stat {
  border: 1px solid var(--gc-line);
  border-top: 2px solid var(--gc-violet);
  padding: 14px 16px;
  background: var(--gc-ink-2);
}

.page-products .pp-stat__num {
  display: block;
  font-size: clamp(22px, 3vw, 30px);
  color: var(--gc-cyan);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.page-products .pp-stat__label {
  font-size: 13px;
  color: var(--gc-dust);
  line-height: 1.6;
}

/* 资料下载 */
.page-products .pp-downloads {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pp-dl__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pp-dl {
  background: var(--gc-ink-2);
  border: 1px solid var(--gc-line);
  padding: 18px;
}

.page-products .pp-dl__code {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  border: 1px solid var(--gc-line);
  padding: 3px 8px;
  margin-bottom: 12px;
}

.page-products .pp-dl__title {
  font-family: var(--gc-font-display);
  font-size: 17px;
  margin: 0 0 8px;
  color: var(--gc-near);
  letter-spacing: 0.02em;
}

.page-products .pp-dl__text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--gc-dust);
  margin: 0;
}

.page-products .pp-dl__side {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-products .pp-panel {
  border: 1px solid var(--gc-line);
  border-left: 3px solid var(--gc-orange);
  background: var(--gc-ink-2);
  padding: 20px;
}

.page-products .pp-panel__title {
  font-family: var(--gc-font-display);
  font-size: 17px;
  margin: 0 0 12px;
  color: var(--gc-near);
  letter-spacing: 0.02em;
}

.page-products .pp-panel__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gc-dust);
  margin: 0 0 16px;
}

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

.page-products .pp-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gc-dust);
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--gc-cyan);
}

/* 场景 */
.page-products .pp-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-scene {
  display: flex;
  flex-direction: column;
  background: var(--gc-ink-2);
  border: 2px solid var(--gc-line);
  padding: 22px 20px;
  transition: border-color 0.25s var(--gc-ease);
}

.page-products .pp-scene:hover {
  border-color: var(--gc-violet);
}

.page-products .pp-scene__tag {
  align-self: flex-start;
  font-family: var(--gc-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gc-ink);
  background: var(--gc-cyan);
  padding: 4px 10px;
  margin-bottom: 14px;
}

.page-products .pp-scene:nth-child(2) .pp-scene__tag {
  background: var(--gc-violet);
  color: var(--gc-near);
}

.page-products .pp-scene:nth-child(3) .pp-scene__tag {
  background: var(--gc-orange);
}

.page-products .pp-scene__title {
  font-family: var(--gc-font-display);
  font-size: 19px;
  line-height: 1.35;
  margin: 0 0 12px;
  color: var(--gc-near);
  letter-spacing: 0.02em;
}

.page-products .pp-scene__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gc-dust);
  margin: 0 0 20px;
  flex: 1 1 auto;
}

.page-products .pp-scene__link {
  font-family: var(--gc-font-mono);
  font-size: 13px;
  color: var(--gc-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 214, 208, 0.4);
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-products .pp-scene__link:hover,
.page-products .pp-scene__link:focus-visible {
  border-bottom-color: var(--gc-cyan);
}

.page-products .pp-wide {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--gc-line);
  background: var(--gc-ink-2);
  padding: 8px;
}

.page-products .pp-wide__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
  background: var(--gc-ink);
}

.page-products .pp-wide .gc-media__cap {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--gc-dust);
}

/* 开始使用 */
.page-products .pp-flow {
  list-style: none;
  margin: 0 0 clamp(26px, 4vw, 44px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--gc-line);
  border: 1px solid var(--gc-line);
}

.page-products .pp-flow__item {
  background: var(--gc-ink-2);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
}

.page-products .pp-flow__num {
  font-size: 13px;
  color: var(--gc-orange);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.page-products .pp-flow__title {
  font-family: var(--gc-font-display);
  font-size: 17px;
  margin: 0 0 10px;
  color: var(--gc-near);
  letter-spacing: 0.02em;
}

.page-products .pp-flow__text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--gc-dust);
  margin: 0 0 16px;
  flex: 1 1 auto;
}

.page-products .pp-flow__link {
  font-family: var(--gc-font-mono);
  font-size: 13px;
  color: var(--gc-cyan);
  text-decoration: none;
  align-self: flex-start;
  border-bottom: 1px solid rgba(55, 214, 208, 0.4);
  padding-bottom: 2px;
}

.page-products .pp-cta {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 34px);
  background:
    linear-gradient(120deg, rgba(108, 76, 241, 0.22), rgba(8, 11, 26, 0) 68%),
    var(--gc-ink-2);
  border: 2px solid var(--gc-violet);
  box-shadow: 10px 10px 0 rgba(8, 11, 26, 0.6);
}

.page-products .pp-cta__title {
  font-family: var(--gc-font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  margin: 0 0 10px;
  color: var(--gc-near);
  letter-spacing: 0.02em;
}

.page-products .pp-cta__text p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gc-dust);
  margin: 0;
  max-width: 46em;
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

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

  .page-products .pp-facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-switch__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-dl__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (min-width: 900px) {
  .page-products .pp-hero__split {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-products .pp-method {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }

  .page-products .pp-switch {
    grid-template-columns: 1fr 1.05fr;
    align-items: start;
  }

  .page-products .pp-downloads {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }

  .page-products .pp-dl__grid {
    grid-template-columns: 1fr;
  }

  .page-products .pp-scenes {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-flow {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .pp-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-products .pp-channels {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-dl__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}