.page-products {
  --pp-gap: clamp(14px, 2.2vw, 22px);
  --pp-row-hover: #17324a;
  padding-block-start: clamp(12px, 2.4vw, 24px);
}

.page-products .pp-crumb {
  margin-block: 0 clamp(10px, 2vw, 18px);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
  padding-block: clamp(6px, 1.6vw, 14px) clamp(30px, 4.6vw, 60px);
}

.page-products .pp-hero__title {
  margin: 10px 0 0;
  font-size: clamp(29px, 5vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-products .pp-hero__lede {
  margin-block: clamp(14px, 2vw, 20px) 0;
  max-width: 48ch;
}

.page-products .pp-hero__facts {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--steel);
}

.page-products .pp-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .pp-hero__facts li::before {
  content: "";
  flex: none;
  width: 18px;
  height: 1px;
  background: var(--amber);
  transform: translateY(-3px);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: clamp(20px, 3vw, 30px);
}

.page-products .pp-hero__fig {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--lane);
}

/* ---------- 通用段落头 ---------- */

.page-products .pp-head {
  padding-block-end: clamp(12px, 2vw, 18px);
}

.page-products .pp-head__note {
  margin: clamp(10px, 1.6vw, 14px) 0 0;
  max-width: 62ch;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 四档价格 ---------- */

.page-products .pp-tiers {
  padding-block: clamp(28px, 4.6vw, 58px) clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--lane);
}

.page-products .pp-tier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-block-start: clamp(16px, 2.6vw, 26px);
}

.page-products .pp-tier {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(22px, 2.6vw, 26px) clamp(16px, 2vw, 22px) clamp(18px, 2.4vw, 24px);
  background: var(--cabin);
  border: 1px solid var(--lane);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--dur) ease, border-color var(--dur) ease;
}

.page-products .pp-tier::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--lane);
  border-radius: var(--radius) var(--radius) 0 0;
}

.page-products .pp-tier--free::before {
  background: var(--steel);
}

.page-products .pp-tier--rec::before {
  height: 6px;
  background: var(--signal);
}

.page-products .pp-tier--rec {
  border-color: rgba(255, 92, 43, 0.55);
}

.page-products .pp-tier:hover {
  transform: translateY(-4px);
  border-color: var(--amber);
}

.page-products .pp-tier--rec:hover {
  border-color: var(--signal);
}

.page-products .pp-tier__badge {
  align-self: flex-start;
  margin: 0 0 2px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--signal);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.page-products .pp-tier__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .pp-tier__name {
  margin: 2px 0 0;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.page-products .pp-tier__price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 6px 0 0;
}

.page-products .pp-tier__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
  font-weight: 600;
}

.page-products .pp-tier--rec .pp-tier__num {
  color: var(--signal);
}

.page-products .pp-tier__unit {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--steel);
}

.page-products .pp-tier__year {
  margin: 0;
  padding-block-end: 12px;
  border-bottom: 1px dashed rgba(30, 51, 70, 0.9);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

.page-products .pp-tier__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--mist);
}

.page-products .pp-tier__list li {
  position: relative;
  padding-inline-start: 14px;
}

.page-products .pp-tier__list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background: var(--amber);
}

.page-products .pp-tier__fit {
  margin: auto 0 0;
  padding-block-start: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 内容栏目订阅 ---------- */

.page-products .pp-subscribe {
  padding-block: clamp(28px, 4.6vw, 58px) clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--lane);
}

.page-products .pp-sub-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-block-start: clamp(16px, 2.6vw, 26px);
}

.page-products .pp-sub {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.8vw, 30px);
  background: var(--cabin);
  border: 1px solid var(--lane);
  border-radius: var(--radius);
}

.page-products .pp-sub--all {
  background:
    linear-gradient(135deg, rgba(242, 178, 62, 0.1) 0%, rgba(16, 32, 47, 0) 58%),
    var(--cabin);
  border-color: rgba(242, 178, 62, 0.45);
}

.page-products .pp-sub__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .pp-sub__name {
  margin: 0;
  font-size: 21px;
}

.page-products .pp-sub__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 2px 0 0;
}

.page-products .pp-sub__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.6vw, 38px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
  font-weight: 600;
}

.page-products .pp-sub__unit {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--steel);
}

.page-products .pp-sub__desc {
  margin: 4px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel);
  max-width: 52ch;
}

.page-products .pp-sub__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--mist);
}

.page-products .pp-sub__list li {
  position: relative;
  padding-inline-start: 16px;
}

.page-products .pp-sub__list li::before {
  content: "›";
  position: absolute;
  inset-inline-start: 0;
  top: -1px;
  font-family: var(--font-mono);
  color: var(--amber);
}

/* ---------- 能力对照矩阵 ---------- */

.page-products .pp-matrix {
  padding-block: clamp(28px, 4.6vw, 58px) clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--lane);
}

.page-products .pp-matrix__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
  margin-block-start: clamp(16px, 2.6vw, 26px);
}

.page-products .pp-matrix__tablewrap {
  overflow-x: auto;
  background: var(--cabin);
  border: 1px solid var(--lane);
  border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 640px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13.5px;
  line-height: 1.55;
}

.page-products .pp-table__caption {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
  border-bottom: 1px solid var(--lane);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--lane);
  color: var(--mist);
  transition: background-color var(--dur) ease;
}

.page-products .pp-table thead th {
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: var(--steel);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--cabin);
  font-weight: 500;
  white-space: nowrap;
  color: var(--amber);
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-table tbody tr:nth-child(even) > * {
  background: rgba(10, 21, 35, 0.55);
}

.page-products .pp-table tbody tr:nth-child(even) > th {
  background: #0d1a29;
}

.page-products .pp-table tbody tr:hover > * {
  background: var(--pp-row-hover);
}

.page-products .pp-table tbody tr:hover > th {
  color: var(--signal);
}

.page-products .pp-matrix__side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pp-matrix__fig {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--lane);
}

.page-products .pp-matrix__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
  border-left: 2px solid var(--amber);
  padding-inline-start: 14px;
}

/* ---------- 资料下载 ---------- */

.page-products .pp-download {
  padding-block: clamp(28px, 4.6vw, 58px) clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--lane);
}

.page-products .pp-download__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 36px);
  align-items: start;
  margin-block-start: clamp(16px, 2.6vw, 26px);
}

.page-products .pp-download__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(10px, 1.8vw, 16px);
}

.page-products .pp-download__figures .bd-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--lane);
}

.page-products .pp-cats {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-cat {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding-block: 12px;
  border-bottom: 1px dashed rgba(30, 51, 70, 0.95);
}

.page-products .pp-cat:first-child {
  padding-block-start: 0;
}

.page-products .pp-cat__dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--amber);
  transform: translateY(-1px);
}

.page-products .pp-cat:nth-child(3n + 2) .pp-cat__dot {
  background: var(--teal);
}

.page-products .pp-cat:nth-child(3n) .pp-cat__dot {
  background: var(--steel);
}

.page-products .pp-cat__name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
  letter-spacing: -0.01em;
}

.page-products .pp-cat__desc {
  display: block;
  margin-block-start: 4px;
  font-size: 13px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.6;
  color: var(--steel);
}

.page-products .pp-cat__count {
  font-size: 14px;
  color: var(--amber);
  font-weight: 600;
}

.page-products .pp-download__path {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .pp-inline-link {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 178, 62, 0.42);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-products .pp-inline-link:hover,
.page-products .pp-inline-link:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

/* ---------- 开通流程 ---------- */

.page-products .pp-flow {
  padding-block: clamp(28px, 4.6vw, 58px) clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--lane);
}

.page-products .pp-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 36px);
  align-items: start;
  margin-block-start: clamp(16px, 2.6vw, 26px);
}

.page-products .pp-flow__steps {
  border-left: 1px solid var(--lane);
  padding-inline-start: 22px;
  display: grid;
  gap: 2px;
}

.page-products .pp-step {
  position: relative;
  padding-block: 10px;
  border-bottom: 1px dashed rgba(30, 51, 70, 0.95);
}

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

.page-products .pp-step::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(10, 21, 35, 1);
}

.page-products .pp-step[open]::before {
  background: var(--signal);
}

.page-products .pp-step__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-block: 4px;
  cursor: pointer;
  list-style: none;
  color: var(--mist);
}

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

.page-products .pp-step__head::after {
  content: "+";
  margin-inline-start: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
}

.page-products .pp-step[open] .pp-step__head::after {
  content: "−";
  color: var(--signal);
}

.page-products .pp-step__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .pp-step__title {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-products .pp-step__body {
  padding: 6px 0 4px 32px;
}

.page-products .pp-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
  max-width: 58ch;
}

.page-products .pp-flow__fig {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--lane);
}

/* ---------- 收尾 ---------- */

.page-products .pp-end {
  padding-block: clamp(30px, 5vw, 60px) clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--lane);
}

.page-products .pp-end__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
  align-items: end;
  padding: clamp(20px, 3vw, 32px);
  background:
    linear-gradient(120deg, rgba(242, 178, 62, 0.12) 0%, rgba(10, 21, 35, 0) 62%),
    var(--cabin);
  border: 1px solid var(--lane);
  border-radius: var(--radius);
}

.page-products .pp-end__text {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel);
}

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

.page-products .pp-end__links {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
}

.page-products .pp-end__links li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.page-products .pp-end__links li::before {
  content: "";
  flex: none;
  width: 16px;
  height: 1px;
  background: var(--lane);
  transform: translateY(-4px);
}

/* ---------- 响应式 ---------- */

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

@media (min-width: 900px) {
  .page-products .pp-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-hero__fig {
    margin-block-start: 12px;
  }

  .page-products .pp-sub-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pp-download__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pp-download__figures figure:last-child {
    margin-block-start: 34px;
  }

  .page-products .pp-flow__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-end__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

@media (min-width: 1024px) {
  .page-products .pp-tier-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pp-tier:nth-child(1) {
    margin-block-start: 30px;
  }

  .page-products .pp-tier:nth-child(4) {
    margin-block-start: 42px;
  }

  .page-products .pp-matrix__wrap {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

@media (max-width: 420px) {
  .page-products .pp-tier__list {
    font-size: 13px;
  }

  .page-products .pp-step__body {
    padding-inline-start: 0;
  }

  .page-products .pp-download__figures {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-tier,
  .page-products .pp-table th,
  .page-products .pp-table td,
  .page-products .pp-inline-link {
    transition: none;
  }

  .page-products .pp-tier:hover {
    transform: none;
  }
}