.page-products {
  --apk-line: rgba(36, 224, 255, 0.26);
  --apk-line-soft: rgba(143, 163, 184, 0.22);
  --apk-card: rgba(14, 42, 51, 0.52);
  --apk-card-deep: rgba(11, 18, 32, 0.82);
}

.page-products .breadcrumb {
  margin: 22px 0 30px;
}

/* ---------- 首屏 ---------- */
.page-products .apk-intro {
  display: grid;
  gap: 26px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--apk-line-soft);
  margin-bottom: 52px;
}

.page-products .apk-intro h1 {
  font-size: clamp(30px, 5.6vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  color: var(--mist);
}

.page-products .apk-intro .lead {
  max-width: 60ch;
  color: var(--slate);
}

.page-products .apk-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .apk-intro-stats {
  border: 1px solid var(--apk-line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(122, 43, 255, 0.18), rgba(11, 18, 32, 0.9));
  overflow: hidden;
}

.page-products .apk-stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .apk-stat-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--apk-line-soft);
}

.page-products .apk-stat-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .apk-stat-num {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cyan);
  line-height: 1;
  min-width: 88px;
}

.page-products .apk-stat-txt {
  font-size: 14px;
  color: var(--slate);
}

@media (min-width: 940px) {
  .page-products .apk-intro {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

/* ---------- 通用小节 ---------- */
.page-products .apk-section {
  margin-bottom: 68px;
}

.page-products .apk-section .section-head {
  margin-bottom: 24px;
}

.page-products .apk-section .section-title {
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

/* ---------- 分类轨道 ---------- */
.page-products .apk-cats-banner {
  margin: 0 0 22px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--apk-line);
  background: linear-gradient(120deg, var(--night), var(--ink));
}

.page-products .apk-cats-banner img {
  display: block;
  width: 100%;
  height: clamp(170px, 25vw, 310px);
  object-fit: cover;
  opacity: 0.88;
}

.page-products .apk-track {
  display: flex;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 4px 2px 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .apk-track > li {
  flex: 0 0 auto;
}

.page-products .apk-cat {
  display: grid;
  grid-template-rows: auto auto auto auto;
  gap: 6px;
  width: 154px;
  padding: 16px 14px;
  scroll-snap-align: start;
  text-decoration: none;
  color: inherit;
  background: var(--apk-card);
  box-shadow: inset 0 0 0 1px var(--apk-line-soft);
  clip-path: polygon(9px 0, calc(100% - 9px) 0, 100% 9px, 100% calc(100% - 9px), calc(100% - 9px) 100%, 9px 100%, 0 calc(100% - 9px), 0 9px);
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-products .apk-cat:hover,
.page-products .apk-cat:focus-visible {
  background: rgba(36, 224, 255, 0.1);
  box-shadow: inset 0 0 0 1px var(--cyan);
  transform: translateY(-3px);
}

.page-products .apk-cat-idx {
  font-size: 12px;
  color: var(--lemon);
  letter-spacing: 0.06em;
}

.page-products .apk-cat-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .apk-cat-num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .apk-cat-unit {
  font-size: 12px;
  color: var(--slate);
}

/* ---------- 索引区布局 ---------- */
.page-products .apk-layout {
  display: grid;
  gap: 26px;
}

@media (min-width: 1000px) {
  .page-products .apk-layout {
    grid-template-columns: minmax(238px, 3fr) minmax(0, 9fr);
    gap: 32px;
    align-items: start;
  }
}

.page-products .apk-side-inner {
  display: grid;
  gap: 20px;
  padding: 18px;
  border: 1px solid var(--apk-line-soft);
  border-radius: var(--radius);
  background: var(--apk-card-deep);
}

@media (min-width: 1000px) {
  .page-products .apk-side-inner {
    position: sticky;
    top: calc(var(--top-h) + 18px);
  }
}

.page-products .apk-side-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--apk-line-soft);
}

.page-products .apk-side-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .apk-filter-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-products .apk-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .apk-chip {
  display: inline-block;
  padding: 6px 11px;
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  color: var(--lemon);
  border: 1px solid rgba(255, 225, 77, 0.42);
  border-radius: 999px;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-products .apk-chip:hover,
.page-products .apk-chip:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #06141b;
}

.page-products .apk-anchor-nav {
  display: grid;
  gap: 2px;
  margin-top: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--apk-line-soft);
  max-height: 330px;
  overflow-y: auto;
}

.page-products .apk-anchor-nav .anchor-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  font-size: 13.5px;
  color: var(--slate);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.page-products .apk-anchor-nav .anchor-link:hover,
.page-products .apk-anchor-nav .anchor-link:focus-visible {
  color: var(--mist);
  background: rgba(36, 224, 255, 0.06);
}

.page-products .apk-anchor-nav .anchor-link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(36, 224, 255, 0.09);
}

.page-products .apk-anchor-nav .mono {
  font-size: 12px;
  color: inherit;
  opacity: 0.75;
}

/* ---------- 条目列表 ---------- */
.page-products .apk-list-figure {
  margin: 0 0 22px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--apk-line-soft);
  background: var(--apk-card-deep);
}

.page-products .apk-list-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.85;
}

.page-products .apk-groups {
  display: grid;
  gap: 18px;
}

@media (min-width: 780px) {
  .page-products .apk-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
}

.page-products .apk-group {
  padding: 0 0 14px;
  background: var(--apk-card);
  box-shadow: inset 0 0 0 1px var(--apk-line-soft);
  clip-path: polygon(12px 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px), 0 12px);
}

.page-products .apk-group-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--apk-line);
  background: linear-gradient(90deg, rgba(122, 43, 255, 0.22), rgba(255, 46, 134, 0.08) 70%, transparent);
}

@media (min-width: 1000px) {
  .page-products .apk-group-head {
    position: sticky;
    top: calc(var(--top-h) + 8px);
    z-index: 2;
    background-color: rgba(11, 18, 32, 0.94);
  }
}

.page-products .apk-group-idx {
  font-size: 12px;
  color: var(--lemon);
  letter-spacing: 0.06em;
}

.page-products .apk-group-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .apk-group-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--cyan);
}

.page-products .apk-item {
  border-bottom: 1px solid var(--apk-line-soft);
}

.page-products .apk-item:last-of-type {
  border-bottom: 0;
}

.page-products .apk-item-sum {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 16px;
  cursor: pointer;
  list-style: none;
  transition: background 0.16s ease;
}

.page-products .apk-item-sum::-webkit-details-marker {
  display: none;
}

.page-products .apk-item-sum:hover {
  background: rgba(36, 224, 255, 0.06);
}

.page-products .apk-item-sum:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .apk-item-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
}

.page-products .apk-item-meta {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--slate);
  white-space: nowrap;
}

.page-products .apk-item[open] .apk-item-sum {
  background: rgba(36, 224, 255, 0.08);
}

.page-products .apk-item-body {
  padding: 4px 16px 16px;
}

.page-products .apk-meter {
  display: block;
  height: 4px;
  margin: 0 0 14px;
  border-radius: 2px;
  background: rgba(232, 241, 248, 0.1);
  overflow: hidden;
}

.page-products .apk-meter i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-products .apk-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
  margin: 0 0 12px;
}

.page-products .apk-spec {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 6px;
  border-bottom: 1px dashed rgba(143, 163, 184, 0.18);
}

.page-products .apk-spec dt {
  font-size: 12.5px;
  color: var(--slate);
}

.page-products .apk-spec dd {
  margin: 0;
  font-size: 12.5px;
  color: var(--mist);
}

.page-products .apk-item-note {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .apk-copy {
  font-size: 12.5px;
}

/* ---------- 安装前检查 ---------- */
.page-products .apk-check-grid {
  display: grid;
  gap: 22px;
}

.page-products .apk-check-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--apk-line-soft);
  background: var(--apk-card-deep);
}

.page-products .apk-check-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.86;
}

.page-products .apk-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .apk-check {
  padding: 16px 18px;
  background: var(--apk-card);
  box-shadow: inset 0 0 0 1px var(--apk-line-soft);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
}

.page-products .apk-check-num {
  font-size: 12px;
  color: var(--lemon);
  letter-spacing: 0.08em;
}

.page-products .apk-check-title {
  margin: 6px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .apk-check p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

@media (min-width: 900px) {
  .page-products .apk-check-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 30px;
    align-items: start;
  }
}

/* ---------- 排查 ---------- */
.page-products .apk-trouble {
  padding: 34px 22px;
  background: linear-gradient(160deg, rgba(107, 18, 48, 0.55), rgba(11, 18, 32, 0.9));
  border-radius: var(--radius);
  border: 1px solid rgba(255, 107, 26, 0.22);
}

.page-products .apk-trouble-grid {
  display: grid;
  gap: 24px;
}

.page-products .apk-trouble-flow {
  display: grid;
  gap: 16px;
}

.page-products .apk-fix {
  padding: 16px 18px;
  background: rgba(11, 18, 32, 0.62);
  border: 1px solid rgba(255, 107, 26, 0.2);
  border-radius: var(--radius);
}

.page-products .apk-fix-title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .apk-fix-step {
  display: flex;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .apk-fix-step:last-child {
  margin-bottom: 0;
}

.page-products .apk-fix-idx {
  flex: 0 0 auto;
  font-size: 11.5px;
  color: var(--lemon);
  letter-spacing: 0.04em;
  padding-top: 3px;
}

.page-products .apk-trouble-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 107, 26, 0.24);
  background: rgba(11, 18, 32, 0.72);
}

.page-products .apk-trouble-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.86;
}

@media (min-width: 900px) {
  .page-products .apk-trouble {
    padding: 44px 36px;
  }

  .page-products .apk-trouble-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
    align-items: start;
  }
}

/* ---------- 后续动线 ---------- */
.page-products .apk-next-grid {
  display: grid;
  gap: 16px;
}

.page-products .apk-next-card {
  display: grid;
  gap: 8px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  background: var(--apk-card);
  box-shadow: inset 0 0 0 1px var(--apk-line-soft);
  border-radius: var(--radius);
  transition: box-shadow 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-products .apk-next-card:hover,
.page-products .apk-next-card:focus-visible {
  background: rgba(122, 43, 255, 0.16);
  box-shadow: inset 0 0 0 1px var(--cyan);
  transform: translateY(-3px);
}

.page-products .apk-next-idx {
  font-size: 12px;
  color: var(--lemon);
  letter-spacing: 0.08em;
}

.page-products .apk-next-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .apk-next-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .apk-next-go {
  margin-top: 4px;
  font-size: 13px;
  color: var(--cyan);
}

@media (min-width: 820px) {
  .page-products .apk-next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .apk-outro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding: 20px 22px;
  border-top: 1px solid var(--apk-line);
  border-bottom: 1px solid var(--apk-line);
}

.page-products .apk-outro-text {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 520px) {
  .page-products .apk-intro-actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

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

  .page-products .apk-cat {
    width: 138px;
  }

  .page-products .apk-trouble {
    padding: 26px 16px;
  }

  .page-products .apk-stat-num {
    font-size: 26px;
    min-width: 76px;
  }
}