.page-products {
  --cat-hair: rgba(30, 58, 95, .55);
  --cat-deep: rgba(10, 27, 51, .92);
  --cat-abyss: rgba(5, 13, 26, .96);
  display: block;
  color: var(--white);
}

.page-products .container {
  position: relative;
}

/* ---------- 首屏 ---------- */

.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--cat-hair);
  background: linear-gradient(180deg, rgba(10, 27, 51, .95), rgba(5, 13, 26, .62));
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .55;
  background-image:
    linear-gradient(rgba(30, 58, 95, .4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 95, .4) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(115% 95% at 18% 0%, #000 26%, transparent 78%);
  mask-image: radial-gradient(115% 95% at 18% 0%, #000 26%, transparent 78%);
}

.page-products .cat-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 34px;
  padding-bottom: 38px;
}

.page-products .cat-hero__title {
  margin: 12px 0 0;
  font-size: clamp(34px, 8vw, 72px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--white);
  text-shadow: 0 0 22px rgba(30, 58, 95, .9);
}

.page-products .cat-hero__accent {
  color: var(--coral);
  -webkit-text-stroke: 1px rgba(5, 13, 26, .7);
}

.page-products .cat-hero__lede {
  max-width: 62ch;
  margin-top: 18px;
  color: var(--slate);
}

.page-products .cat-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 1px;
  background: var(--cat-hair);
  border: 1px solid var(--cat-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .cat-hero__stat {
  padding: 12px 14px;
  background: linear-gradient(165deg, var(--cat-deep), var(--cat-abyss));
}

.page-products .cat-hero__stat dt {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-products .cat-hero__stat dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */

.page-products .section {
  position: relative;
  padding: 46px 0;
}

.page-products .section__head {
  margin-bottom: 22px;
}

.page-products .section__title {
  color: var(--white);
}

.page-products .section__lead {
  max-width: 66ch;
  color: var(--slate);
}

/* ---------- 01 分类网格 ---------- */

.page-products .cat-cats__figure {
  margin: 0 0 24px;
}

.page-products .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--cat-hair);
  border: 1px solid var(--cat-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .cat-cell {
  position: relative;
  padding: 18px 18px 20px;
  background: linear-gradient(165deg, var(--cat-deep), var(--cat-abyss));
  transition: background var(--dur) var(--ease);
}

.page-products .cat-cell::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: transparent;
  transition: background var(--dur) var(--ease);
}

.page-products .cat-cell:hover::before,
.page-products .cat-cell:focus-within::before {
  background: var(--cyan);
}

.page-products .cat-cell:hover {
  background: linear-gradient(165deg, rgba(30, 58, 95, .88), var(--cat-abyss));
}

.page-products .cat-cell__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-products .cat-cell__num {
  font-size: 13px;
  font-weight: 700;
  color: var(--coral);
  letter-spacing: .1em;
}

.page-products .cat-cell__count {
  font-size: 12px;
  color: var(--cyan);
}

.page-products .cat-cell__name {
  margin: 10px 0 6px;
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
}

.page-products .cat-cell__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 02 适配等级 ---------- */

.page-products .cat-fit__figure {
  margin: 0 0 24px;
}

.page-products .cat-fit__tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cat-hair);
}

.page-products .cat-fit__tabs .tab {
  appearance: none;
  padding: 9px 18px;
  border: 1px solid var(--cat-hair);
  border-radius: 999px;
  background: transparent;
  color: var(--slate);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .cat-fit__tabs .tab:hover {
  color: var(--white);
  border-color: var(--cyan);
  transform: translate3d(0, -2px, 0);
}

.page-products .cat-fit__tabs .tab:nth-child(1)[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-products .cat-fit__tabs .tab:nth-child(2)[aria-selected="true"] {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--ink);
}

.page-products .cat-fit__tabs .tab:nth-child(3)[aria-selected="true"] {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--ink);
}

.page-products .cat-fit__tabs .tab:nth-child(4)[aria-selected="true"] {
  background: var(--alert);
  border-color: var(--alert);
  color: var(--white);
}

.page-products .cat-fit__tabs .panel[hidden] {
  display: none;
}

.page-products .cat-fit__panel {
  position: relative;
  margin-top: 20px;
  padding: 20px 20px 18px 24px;
  border: 1px solid var(--cat-hair);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(30, 58, 95, .38), var(--cat-abyss));
  box-shadow: var(--shadow-lift);
}

.page-products .cat-fit__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: var(--slate);
}

.page-products .cat-fit__panel--full::before { background: var(--cyan); }
.page-products .cat-fit__panel--normal::before { background: var(--yellow); }
.page-products .cat-fit__panel--low::before { background: var(--coral); }
.page-products .cat-fit__panel--none::before { background: var(--alert); }

.page-products .cat-fit__rule {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

.page-products .cat-fit__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-products .cat-fit__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
}

.page-products .cat-fit__list li::before {
  content: "▚";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 12px;
}

.page-products .cat-fit__panel .meta {
  margin: 0;
  color: var(--slate);
}

/* ---------- 03 机型表 ---------- */

.page-products .cat-devices__scroll {
  border: 1px solid var(--cat-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(10, 27, 51, .85), var(--cat-abyss));
}

.page-products .cat-devices__table {
  min-width: 720px;
}

.page-products .cat-devices__table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .cat-devices__table tbody tr:hover {
  background: rgba(53, 245, 208, .07);
}

.page-products .cat-devices__table tbody th[scope="row"] {
  color: var(--white);
  font-weight: 700;
}

.page-products .cat-devices__note {
  margin: 14px 0 0;
  color: var(--slate);
}

/* ---------- 04 网页版与移动端 ---------- */

.page-products .cat-modes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-products .cat-mode {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--cat-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(170deg, rgba(30, 58, 95, .34), var(--cat-abyss));
  box-shadow: var(--shadow-lift);
}

.page-products .cat-mode__figure {
  margin: 0;
  border-bottom: 1px solid var(--cat-hair);
}

.page-products .cat-mode__figure img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

.page-products .cat-mode__body {
  padding: 18px 20px 22px;
}

.page-products .cat-mode__title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 800;
  color: var(--cyan);
}

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

.page-products .cat-mode__list li {
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .cat-mode__list strong {
  display: inline-block;
  min-width: 3.6em;
  margin-right: 6px;
  color: var(--yellow);
  font-weight: 700;
}

.page-products .cat-modes__note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border: 1px dashed var(--cat-hair);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 05 礼包与收藏 ---------- */

.page-products .cat-pack__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .cat-pack__figure {
  margin: 0;
}

.page-products .cat-pack__lede {
  max-width: 58ch;
  margin: 10px 0 18px;
  color: var(--slate);
}

.page-products .cat-pack__steps {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .cat-pack__steps li {
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
}

.page-products .cat-pack__step {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--coral);
  letter-spacing: .08em;
}

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

.page-products .cat-pack__meta {
  margin: 0 0 18px;
  color: var(--slate);
}

/* ---------- 06 下一步 ---------- */

.page-products .cat-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--cat-hair);
  border: 1px solid var(--cat-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .cat-next__card {
  display: grid;
  gap: 4px;
  padding: 18px 18px 20px;
  background: linear-gradient(165deg, var(--cat-deep), var(--cat-abyss));
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .cat-next__card:hover,
.page-products .cat-next__card:focus-visible {
  background: linear-gradient(165deg, rgba(30, 58, 95, .9), var(--cat-abyss));
  transform: translate3d(0, -2px, 0);
}

.page-products .cat-next__code {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--coral);
}

.page-products .cat-next__name {
  font-size: 19px;
  font-weight: 800;
  color: var(--white);
}

.page-products .cat-next__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */

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

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

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

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

@media (min-width: 900px) {
  .page-products .section {
    padding: 58px 0;
  }

  .page-products .cat-hero__inner {
    padding-top: 46px;
    padding-bottom: 52px;
  }

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

  .page-products .cat-modes {
    grid-template-columns: 4fr 6fr;
    align-items: stretch;
  }

  .page-products .cat-mode__figure img {
    max-height: 340px;
  }

  .page-products .cat-pack__inner {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 36px;
  }

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

@media (min-width: 1200px) {
  .page-products .cat-mode__body {
    padding: 22px 24px 26px;
  }

  .page-products .cat-fit__panel {
    padding: 26px 28px 24px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-cell,
  .page-products .cat-next__card,
  .page-products .cat-fit__tabs .tab {
    transition: none;
  }

  .page-products .cat-cell:hover,
  .page-products .cat-next__card:hover,
  .page-products .cat-fit__tabs .tab:hover {
    transform: none;
  }
}