.page-products {
  --pp-gap: clamp(18px, 2.6vw, 34px);
  --pp-pad: clamp(22px, 3.4vw, 54px);
  --pp-track-line: rgba(217, 169, 75, 0.44);
  --pp-paper-line: rgba(8, 17, 28, 0.14);
}

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

.page-products .yb-figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero__board {
  padding: clamp(28px, 4.6vw, 72px) var(--pp-pad) clamp(30px, 4.4vw, 64px);
}

.page-products .pp-hero__index {
  color: var(--yb-sand);
  margin: 0 0 clamp(18px, 2.6vw, 34px);
}

.page-products .pp-hero__title {
  font-size: clamp(38px, 6.4vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(18px, 2.4vw, 30px);
  max-width: 20ch;
}

.page-products .pp-hero__lead {
  max-width: 60ch;
  color: var(--yb-on-dark);
  margin: 0 0 clamp(26px, 3.4vw, 48px);
}

.page-products .pp-hero__kpis {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 26px);
  border-top: 1px solid var(--yb-line);
  padding-top: clamp(20px, 2.6vw, 32px);
}

@media (min-width: 760px) {
  .page-products .pp-hero__kpis {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pp-hero__kpis .yb-kpi__value {
  font-size: clamp(15px, 1.5vw, 20px);
  letter-spacing: 0.02em;
  color: var(--yb-cyan);
}

.page-products .pp-hero__kpis .yb-kpi__label {
  color: var(--yb-on-dark-soft);
}

/* ---------- 章节头 ---------- */

.page-products .pp-secthead {
  max-width: 68ch;
  margin: 0 0 clamp(24px, 3.4vw, 48px);
}

.page-products .pp-h2 {
  font-size: clamp(26px, 3.6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  font-weight: 300;
  margin: 12px 0 0;
}

.page-products .pp-sub {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--yb-on-dark-soft);
  max-width: 62ch;
}

.page-products .pp-secthead--paper .pp-sub,
.page-products .pp-secthead--paper .yb-index {
  color: var(--yb-on-paper-soft);
}

.page-products .pp-secthead--paper .pp-h2 {
  color: var(--yb-ink);
}

.page-products .pp-secthead--dark .yb-index {
  color: var(--yb-sand);
}

.page-products .pp-secthead--dark .pp-h2 {
  color: var(--yb-paper);
}

/* ---------- 版本选择 ---------- */

.page-products .pp-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: start;
}

@media (min-width: 900px) {
  .page-products .pp-deck {
    grid-template-columns: 1.16fr 0.96fr 0.86fr;
    align-items: end;
    gap: clamp(14px, 1.8vw, 26px);
  }

  .page-products .pp-card--stable {
    margin-bottom: clamp(18px, 3.4vw, 52px);
  }

  .page-products .pp-card--mobile {
    margin-bottom: clamp(38px, 6vw, 96px);
  }
}

.page-products .pp-card {
  padding: clamp(20px, 2.6vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.page-products .pp-card--pc {
  border-top: 3px solid var(--yb-lava);
}

.page-products .pp-card--stable {
  border-top: 3px solid var(--yb-cyan);
}

.page-products .pp-card--mobile {
  border-top: 3px solid var(--yb-sand);
}

.page-products .pp-card__badge {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--yb-sand);
  margin: 0;
  text-transform: uppercase;
}

.page-products .pp-card__title {
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--yb-paper);
}

.page-products .pp-card__who {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yb-on-dark-soft);
}

.page-products .pp-card__figure {
  margin: 4px 0 6px;
}

.page-products .pp-card__figure .yb-figure__cap {
  font-size: 12.5px;
  color: var(--yb-on-dark-soft);
}

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

.page-products .pp-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--yb-on-dark);
}

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

/* ---------- 功能对照 ---------- */

.page-products .pp-compare__board {
  padding: clamp(24px, 3.4vw, 52px) 0 clamp(24px, 3vw, 44px);
}

.page-products .pp-compare__board .pp-secthead {
  padding: 0 var(--pp-pad);
}

.page-products .pp-tablewrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 var(--pp-pad);
  scrollbar-width: thin;
}

.page-products .pp-tablewrap:focus-visible {
  outline: 2px solid var(--yb-lava);
  outline-offset: 4px;
}

.page-products .pp-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 720px;
  font-size: 14.5px;
  color: var(--yb-ink);
}

.page-products .pp-table th,
.page-products .pp-table td {
  text-align: left;
  padding: 15px 18px;
  border-bottom: 1px solid var(--pp-paper-line);
  white-space: nowrap;
  vertical-align: middle;
}

.page-products .pp-table thead th {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--yb-on-paper-soft);
  font-weight: 600;
  border-bottom: 1px solid rgba(8, 17, 28, 0.3);
}

.page-products .pp-table tbody th {
  font-weight: 700;
  font-size: 14px;
}

.page-products .pp-table th:first-child,
.page-products .pp-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--yb-paper);
  box-shadow: 1px 0 0 var(--pp-paper-line);
  min-width: 132px;
}

.page-products .pp-table tbody tr:hover td,
.page-products .pp-table tbody tr:hover th {
  background: rgba(255, 90, 31, 0.08);
}

.page-products .pp-table tbody tr:hover td:first-child,
.page-products .pp-table tbody tr:hover th:first-child {
  background: #f9e7da;
}

.page-products .pp-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--yb-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--yb-on-paper);
}

.page-products .pp-mark--yes {
  color: var(--yb-lava-dark);
  font-weight: 700;
}

.page-products .pp-mark--yes::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--yb-cyan);
  box-shadow: 0 0 0 3px rgba(34, 224, 200, 0.24);
  flex: 0 0 auto;
}

.page-products .pp-mark--part {
  color: var(--yb-mist);
}

.page-products .pp-mark--part::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid currentColor;
  flex: 0 0 auto;
}

.page-products .pp-compare__foot {
  margin: clamp(18px, 2.2vw, 28px) var(--pp-pad) 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yb-on-paper-soft);
}

/* ---------- 安装步骤 ---------- */

.page-products .pp-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 1.8vw, 20px);
  position: relative;
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 2.2vw, 28px);
  padding: clamp(16px, 2.2vw, 26px);
  background: rgba(27, 62, 99, 0.26);
  border: 1px solid var(--yb-line);
  border-left: 2px solid var(--pp-track-line);
  transition: border-color 0.24s var(--yb-ease), background-color 0.24s var(--yb-ease);
}

.page-products .pp-step:hover {
  border-color: var(--yb-line-gold);
  border-left-color: var(--yb-cyan);
  background: rgba(27, 62, 99, 0.4);
}

.page-products .pp-step__no {
  font-size: clamp(18px, 2vw, 26px);
  color: var(--yb-sand);
  line-height: 1;
  padding-top: 4px;
}

.page-products .pp-step__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 700;
  color: var(--yb-paper);
  letter-spacing: -0.005em;
}

.page-products .pp-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--yb-on-dark);
}

.page-products .pp-step__note {
  margin-top: 12px;
  border-top: 1px dashed var(--yb-line);
  padding-top: 10px;
}

.page-products .pp-step__note summary {
  cursor: pointer;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--yb-cyan);
  list-style: none;
}

.page-products .pp-step__note summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-step__note summary::after {
  content: " ＋";
  font-size: 12px;
}

.page-products .pp-step__note[open] summary::after {
  content: " －";
}

.page-products .pp-step__note summary:focus-visible {
  outline: 2px solid var(--yb-cyan);
  outline-offset: 3px;
}

.page-products .pp-step__note p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--yb-on-dark-soft);
  max-width: 64ch;
}

/* ---------- 更新记录 ---------- */

.page-products .pp-updates__board {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 3.6vw, 56px) 0 clamp(22px, 3vw, 44px);
  background: var(--yb-deep);
}

.page-products .pp-updates__bg {
  position: absolute;
  top: 0;
  right: 0;
  width: min(58%, 660px);
  height: 100%;
  opacity: 0.24;
  pointer-events: none;
}

.page-products .pp-updates__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pp-updates__board .pp-secthead,
.page-products .pp-updates__foot {
  position: relative;
  z-index: 1;
  padding: 0 var(--pp-pad);
}

.page-products .pp-railwrap {
  position: relative;
  z-index: 1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 4px var(--pp-pad) 12px;
  scrollbar-width: thin;
}

.page-products .pp-railwrap:focus-visible {
  outline: 2px solid var(--yb-cyan);
  outline-offset: -2px;
}

.page-products .pp-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: clamp(16px, 2.2vw, 28px);
  min-width: max-content;
}

.page-products .pp-railitem {
  flex: 0 0 auto;
  width: min(76vw, 290px);
  position: relative;
  padding-top: 26px;
}

.page-products .pp-railitem::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  right: calc(-1 * clamp(16px, 2.2vw, 28px));
  height: 1px;
  background: var(--pp-track-line);
}

.page-products .pp-railitem:last-child::before {
  right: 0;
}

.page-products .pp-railitem::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--yb-sand);
}

.page-products .pp-railitem:hover .pp-railitem__ver {
  color: var(--yb-cyan);
}

.page-products .pp-railitem__ver {
  margin: 0;
  font-size: clamp(18px, 1.8vw, 24px);
  color: var(--yb-paper);
  transition: color 0.24s var(--yb-ease);
}

.page-products .pp-railitem__when {
  margin: 6px 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--yb-sand);
}

.page-products .pp-railitem__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--yb-on-dark);
  white-space: normal;
}

.page-products .pp-updates__foot {
  margin: clamp(18px, 2.4vw, 30px) 0 0;
  font-size: 14px;
  color: var(--yb-on-dark-soft);
}

.page-products .pp-updates__foot a,
.page-products .pp-specrow__v a,
.page-products .pp-rights__foot a {
  color: var(--yb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 200, 0.4);
}

.page-products .pp-rights__foot a {
  color: var(--yb-lava-dark);
  border-bottom-color: rgba(201, 60, 15, 0.4);
}

.page-products .pp-updates__foot a:hover,
.page-products .pp-specrow__v a:hover {
  color: var(--yb-lava);
  border-bottom-color: var(--yb-lava);
}

.page-products .pp-rights__foot a:hover {
  color: var(--yb-ink);
  border-bottom-color: var(--yb-ink);
}

/* ---------- 设备与网络 ---------- */

.page-products .pp-specs__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 56px);
  align-items: start;
}

@media (min-width: 940px) {
  .page-products .pp-specs__grid {
    grid-template-columns: 7fr 5fr;
  }
}

.page-products .pp-speclist {
  margin: clamp(22px, 2.8vw, 34px) 0 0;
  display: grid;
  gap: 0;
}

.page-products .pp-specrow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: clamp(14px, 1.8vw, 20px) 0;
  border-top: 1px solid var(--yb-line);
}

@media (min-width: 620px) {
  .page-products .pp-specrow {
    grid-template-columns: 160px 1fr;
    gap: clamp(16px, 2.4vw, 32px);
  }
}

.page-products .pp-specrow__k {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--yb-sand);
  margin: 0;
  padding-top: 4px;
}

.page-products .pp-specrow__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yb-on-dark);
  max-width: 56ch;
}

.page-products .pp-specs__aside {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-products .pp-specs__figure {
  margin: 0;
}

.page-products .pp-specs__tip {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--yb-on-dark-soft);
  border-left: 2px solid var(--yb-line-gold);
  padding-left: 16px;
}

/* ---------- 会员权益区 ---------- */

.page-products .pp-rights__board {
  padding: clamp(26px, 3.6vw, 58px) var(--pp-pad);
}

.page-products .pp-rights__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 46px);
  margin-top: clamp(20px, 2.6vw, 32px);
}

@media (min-width: 900px) {
  .page-products .pp-rights__grid {
    grid-template-columns: 5fr 7fr;
  }
}

.page-products .pp-rights__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--yb-on-paper);
  max-width: 48ch;
}

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

.page-products .pp-rights__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--pp-paper-line);
}

@media (min-width: 620px) {
  .page-products .pp-rights__item {
    grid-template-columns: 150px 1fr;
    gap: 20px;
    align-items: baseline;
  }
}

.page-products .pp-rights__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--yb-lava-dark);
}

.page-products .pp-rights__desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--yb-on-paper-soft);
}

.page-products .pp-rights__foot {
  margin: clamp(22px, 2.8vw, 34px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--pp-paper-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--yb-on-paper-soft);
}

/* ---------- 收尾 CTA ---------- */

.page-products .pp-cta__board {
  padding: clamp(26px, 3.6vw, 58px) var(--pp-pad);
}

.page-products .pp-cta__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  align-items: end;
}

@media (min-width: 880px) {
  .page-products .pp-cta__grid {
    grid-template-columns: 8fr 4fr;
  }
}

.page-products .pp-cta__title {
  margin-top: 14px;
}

.page-products .pp-cta__lead {
  margin: 16px 0 0;
  max-width: 56ch;
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .pp-cta__actions .yb-cta {
  justify-content: center;
}

@media (max-width: 520px) {
  .page-products .pp-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ---------- 减动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-step,
  .page-products .pp-railitem__ver {
    transition: none;
  }
}
<<<END>>>