.page-products {
  --pp-gap: clamp(18px, 2.4vw, 32px);
  --pp-pad: clamp(16px, 2vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-hero__lead .lede {
  max-width: 62ch;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-products .pp-hero__side {
  position: relative;
  overflow: hidden;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(158deg, var(--ink-2) 0%, var(--ink-3) 78%);
  box-shadow: var(--shadow-soft);
}

.page-products .pp-hero__side::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(41, 242, 194, 0) 78%);
}

.page-products .pp-hero__side-title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

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

.page-products .pp-hero__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-2);
}

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

.page-products .pp-hero__key {
  font-size: 0.9rem;
  color: var(--cold);
}

.page-products .pp-hero__row .mono-num {
  font-size: 0.95rem;
  white-space: nowrap;
}

.page-products .pp-hero__note {
  margin: 14px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 横向数据带 ---------- */
.page-products .pp-ticker {
  margin-top: clamp(26px, 4vw, 48px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, var(--cyan-a08) 0%, rgba(11, 27, 43, 0) 46%, var(--amber-a12) 100%);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-ticker__track {
  display: flex;
  align-items: flex-end;
  gap: clamp(24px, 4vw, 64px);
  min-width: max-content;
  padding: 16px var(--gutter) 18px;
}

.page-products .pp-ticker__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-right: clamp(24px, 4vw, 64px);
  border-right: 1px solid var(--line-2);
}

.page-products .pp-ticker__item:last-child {
  padding-right: 0;
  border-right: 0;
}

.page-products .pp-ticker__value {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-products .pp-ticker__item:nth-child(even) .pp-ticker__value {
  color: var(--amber);
}

.page-products .pp-ticker__label {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  white-space: nowrap;
}

/* ---------- 设备版本 ---------- */
.page-products .pp-devices {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pp-device {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: var(--pp-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-products .pp-device:hover,
.page-products .pp-device:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pp-device--wide:hover,
.page-products .pp-device--wide:focus-within {
  border-color: var(--amber);
}

.page-products .pp-device__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-2);
}

.page-products .pp-device__code {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

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

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

.page-products .pp-spec li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--cold);
}

.page-products .pp-spec li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pp-spec strong {
  color: var(--white);
  font-weight: 600;
  margin-right: 2px;
}

.page-products .pp-spec--wide {
  margin-top: clamp(16px, 2vw, 24px);
}

/* ---------- V4 对照 ---------- */
.page-products .pp-v4 {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pp-v4__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  box-shadow: var(--shadow-soft);
}

.page-products .pp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-2);
  line-height: 1.6;
}

.page-products .pp-table thead th {
  font-family: var(--font-num);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--mist);
  background: var(--ink-3);
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  color: var(--white);
  font-weight: 600;
  min-width: 140px;
}

.page-products .pp-table tbody td {
  color: var(--cold);
}

.page-products .pp-table tbody tr {
  transition: background var(--t-fast) var(--ease);
}

.page-products .pp-table tbody tr:hover,
.page-products .pp-table tbody tr:focus-within {
  background: var(--cyan-a08);
}

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

/* ---------- 进失球分布 ---------- */
.page-products .pp-dist {
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
}

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

.page-products .pp-dist__text .section__lead {
  max-width: 58ch;
}

/* ---------- 订阅配置 ---------- */
.page-products .pp-sub {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pp-step {
  display: block;
  padding: 16px 0 4px;
  border-top: 1px solid var(--line-2);
}

.page-products .pp-step:last-of-type {
  border-bottom: 1px solid var(--line-2);
}

.page-products .pp-step__sum {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  cursor: pointer;
  list-style: none;
  padding-bottom: 8px;
}

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

.page-products .pp-step__sum:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .pp-step__idx {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--amber);
}

.page-products .pp-step__title {
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, 1.6vw, 1.22rem);
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-products .pp-step[open] .pp-step__title {
  color: var(--cyan);
}

.page-products .pp-step__body {
  margin: 0 0 10px;
  padding-left: 46px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--cold);
  max-width: 64ch;
}

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

/* ---------- 安装提示 ---------- */
.page-products .pp-notes {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
  grid-template-columns: 1fr;
}

.page-products .pp-note {
  padding: 18px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.015);
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-products .pp-note:hover {
  border-color: var(--cyan);
  background: var(--cyan-a08);
}

.page-products .pp-note__no {
  margin: 0 0 8px;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .pp-note__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--white);
}

.page-products .pp-note__body {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--cold);
}

/* ---------- 延伸入口 ---------- */
.page-products .pp-next {
  display: grid;
  gap: 10px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-products .pp-next__link {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  text-decoration: none;
  background: linear-gradient(120deg, var(--ink-2), var(--ink-3));
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-products .pp-next__link:hover,
.page-products .pp-next__link:focus-visible {
  border-color: var(--cyan);
  transform: translateX(3px);
}

.page-products .pp-next__label {
  font-family: var(--font-num);
  font-size: 1.02rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pp-next__desc {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.78fr);
    align-items: start;
  }

  .page-products .pp-devices {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: stretch;
  }

  .page-products .pp-v4 {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-products .pp-dist {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-products .pp-sub {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-products .pp-sub__figure {
    position: sticky;
    top: 32px;
  }

  .page-products .pp-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-device,
  .page-products .pp-next__link,
  .page-products .pp-note,
  .page-products .pp-table tbody tr {
    transition: none;
  }

  .page-products .pp-device:hover,
  .page-products .pp-device:focus-within,
  .page-products .pp-next__link:hover,
  .page-products .pp-next__link:focus-visible {
    transform: none;
  }
}