.page-products {
  --pp-line: rgba(16, 76, 124, 0.18);
  --pp-line-strong: rgba(16, 76, 124, 0.35);
  --pp-tint: rgba(187, 211, 230, 0.16);
  --pp-tint-strong: rgba(187, 211, 230, 0.44);
  --pp-gap: 20px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-products .container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 20px;
}

.page-products .section {
  padding: 52px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
  max-width: 760px;
}

.page-products .section-title {
  position: relative;
  margin: 0;
  padding-left: 16px;
  font-size: 24px;
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--blue-700);
}

.page-products .section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 3px;
  height: 0.86em;
  background: var(--blue-200);
  transition: background 200ms ease;
}

.page-products .section-title.is-current::before {
  background: var(--orange-600);
}

.page-products .section-title__index {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange-600);
  vertical-align: 2px;
}

.page-products .section-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray-500);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-600);
  margin: 0;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  border-bottom: 1px solid var(--pp-line);
  background: var(--paper);
}

.page-products .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  font-size: 12.5px;
}

.page-products .breadcrumbs__link {
  color: var(--blue-500);
  text-decoration: none;
}

.page-products .breadcrumbs__link:hover {
  color: var(--orange-600);
}

.page-products .breadcrumbs__sep {
  color: var(--gray-500);
  font-family: var(--font-mono);
}

.page-products .breadcrumbs__current {
  color: var(--gray-500);
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  background:
    linear-gradient(180deg, #EDF3F8 0%, rgba(246, 243, 236, 0) 100%);
  border-bottom: 1px solid var(--pp-line);
  padding: 32px 0 44px;
}

.page-products .products-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

.page-products .products-hero__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 8vw, 52px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--blue-900);
}

.page-products .products-hero__lead {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: #29323C;
  max-width: 46em;
}

.page-products .products-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products .products-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 14px;
  background: #fff;
}

.page-products .products-hero__fact-num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--blue-700);
}

.page-products .products-hero__fact-txt {
  font-size: 12.5px;
  color: var(--gray-500);
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .products-hero__figure {
  margin: 0;
  border: 1px solid var(--pp-line-strong);
  background: var(--gray-100);
  box-shadow: var(--shadow-md);
  aspect-ratio: 7 / 4;
  overflow: hidden;
}

.page-products .products-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 规格矩阵 ---------- */
.page-products .products-specs__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .products-matrix__scroll {
  border: 1px solid var(--pp-line);
  background: #fff;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .products-matrix {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .products-matrix th,
.page-products .products-matrix td {
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .products-matrix thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--gray-100);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--blue-700);
  white-space: nowrap;
  border-bottom: 1px solid var(--pp-line-strong);
}

.page-products .products-matrix tbody tr {
  transition: background 140ms ease;
}

.page-products .products-matrix tbody tr:nth-child(even) {
  background: var(--pp-tint);
}

.page-products .products-matrix tbody tr:hover {
  background: var(--pp-tint-strong);
}

.page-products .products-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .products-code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-700);
}

.page-products .products-matrix tbody tr:hover .products-code {
  color: var(--orange-600);
}

.page-products .products-specs__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .products-specs__figure {
  margin: 0;
  border: 1px solid var(--pp-line);
  background: var(--gray-100);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.page-products .products-specs__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .products-specs__note {
  border: 1px solid var(--pp-line);
  border-left: 3px solid var(--blue-500);
  background: #fff;
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}

.page-products .products-specs__note--alt {
  border-left-color: var(--orange-600);
}

.page-products .products-specs__note-title {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-700);
}

.page-products .products-specs__note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--gray-500);
}

/* ---------- 保修刻度 ---------- */
.page-products .products-scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .products-scale__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 14px 16px;
  background: #fff;
  border: 1px solid var(--pp-line);
  box-shadow: var(--shadow-sm);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.page-products .products-scale__item:hover {
  transform: translateY(-4px);
  border-color: var(--orange-400);
  box-shadow: var(--shadow-md);
}

.page-products .products-scale__bar {
  display: block;
  height: 4px;
  background: var(--blue-200);
  transition: background 160ms ease;
}

.page-products .products-scale__item:hover .products-scale__bar {
  background: var(--orange-400);
}

.page-products .products-scale__item--long .products-scale__bar {
  background: var(--orange-600);
}

.page-products .products-scale__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-900);
  letter-spacing: -0.01em;
}

.page-products .products-scale__label {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-500);
  letter-spacing: 0.06em;
}

.page-products .products-scale__use {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--gray-500);
}

.page-products .products-warranty__advice {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--blue-900);
  color: #E8EFF6;
  border-left: 4px solid var(--orange-600);
}

.page-products .products-warranty__advice-title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.01em;
}

.page-products .products-warranty__advice-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .products-warranty__advice-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #C9D8E6;
}

.page-products .products-warranty__advice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--orange-400);
}

/* ---------- 包装方案 ---------- */
.page-products .products-pack__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-products .products-pack__figure {
  margin: 0;
  border: 1px solid var(--pp-line);
  background: var(--gray-100);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow-sm);
}

.page-products .products-pack__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .products-pack__list {
  display: grid;
  gap: 14px;
}

.page-products .products-pack__item {
  background: #fff;
  border: 1px solid var(--pp-line);
  border-top: 3px solid var(--blue-500);
  padding: 16px 18px;
  transition: border-top-color 160ms ease, box-shadow 160ms ease;
}

.page-products .products-pack__item:hover {
  border-top-color: var(--orange-600);
  box-shadow: var(--shadow-md);
}

.page-products .products-pack__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .products-pack__title {
  margin: 0;
  font-size: 17px;
  font-weight: 900;
  color: var(--blue-700);
  letter-spacing: -0.01em;
}

.page-products .products-pack__struct {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--blue-500);
}

.page-products .products-pack__desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #29323C;
}

.page-products .products-pack__fit {
  margin: 8px 0 0;
  padding-top: 8px;
  border-top: 1px dashed var(--pp-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray-500);
}

.page-products .products-pack__tip {
  margin: 22px 0 0;
  padding: 14px 18px;
  border: 1px solid var(--pp-line);
  background: var(--gray-100);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--blue-700);
}

/* ---------- 报修两档 ---------- */
.page-products .products-repair__tracks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .products-track {
  background: #fff;
  border: 1px solid var(--pp-line);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-sm);
}

.page-products .products-track--stock {
  border-left: 4px solid var(--green-600);
}

.page-products .products-track--order {
  border-left: 4px solid var(--orange-600);
}

.page-products .products-track__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .products-track__title {
  margin: 0;
  font-size: 19px;
  font-weight: 900;
  color: var(--blue-900);
  letter-spacing: -0.02em;
}

.page-products .tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid transparent;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .tag--stock {
  background: var(--green-600);
  color: #fff;
}

.page-products .tag--action {
  background: var(--orange-600);
  color: #fff;
}

.page-products .tag--warranty {
  background: #fff;
  border-color: var(--pp-line-strong);
  color: var(--blue-700);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-products .tag--mono {
  background: var(--blue-200);
  color: var(--blue-900);
  font-family: var(--font-mono);
}

.page-products .products-track__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .products-track__step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: var(--gray-500);
}

.page-products .products-track__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue-200);
}

.page-products .products-track--stock .products-track__step:nth-child(3) .products-track__dot {
  background: var(--green-600);
}

.page-products .products-track--order .products-track__step:nth-child(3) .products-track__dot {
  background: var(--orange-600);
}

.page-products .products-track__meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pp-line);
  display: grid;
  gap: 4px;
}

.page-products .products-track__meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--blue-500);
  margin-top: 8px;
}

.page-products .products-track__meta dt:first-child {
  margin-top: 0;
}

.page-products .products-track__meta dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #29323C;
}

.page-products .products-repair__figure {
  margin: 24px 0 0;
  border: 1px solid var(--pp-line);
  background: var(--gray-100);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.page-products .products-repair__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .products-repair__sla {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange-400);
  font-size: 13px;
  line-height: 1.8;
  color: var(--gray-500);
}

/* ---------- 安装四步 ---------- */
.page-products .products-flow__list {
  display: grid;
  gap: 10px;
}

.page-products .products-step {
  background: #fff;
  border: 1px solid var(--pp-line);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-products .products-step[open] {
  border-color: var(--pp-line-strong);
  box-shadow: var(--shadow-sm);
}

.page-products .products-step__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .products-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange-600);
}

.page-products .products-step__name {
  font-size: 15.5px;
  font-weight: 900;
  color: var(--blue-700);
  letter-spacing: -0.01em;
}

.page-products .products-step__hint {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--gray-500);
  white-space: nowrap;
}

.page-products .products-step__body {
  padding: 0 16px 18px;
  border-top: 1px solid var(--pp-line);
  margin-top: -1px;
  padding-top: 14px;
}

.page-products .products-step__body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: #29323C;
}

.page-products .products-step__body ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-products .products-step__body li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray-500);
}

.page-products .products-step__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 1px;
  background: var(--blue-500);
}

/* ---------- 场景适配 ---------- */
.page-products .products-scenes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .products-scene {
  background: #fff;
  border: 1px solid var(--pp-line);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-sm);
}

.page-products .products-scene__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 900;
  color: var(--blue-900);
  letter-spacing: -0.01em;
}

.page-products .products-scene__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray-500);
}

.page-products .products-scene__specs {
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--pp-line);
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-products .products-scene__specs li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  font-size: 12.5px;
}

.page-products .products-scene__k {
  color: var(--gray-500);
}

.page-products .products-scene__v {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--blue-700);
}

.page-products .products-scene__figure {
  margin: 14px 0 0;
  border: 1px solid var(--pp-line);
  background: var(--gray-100);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.page-products .products-scene__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 收束 ---------- */
.page-products .products-cta {
  background: var(--blue-900);
  color: #DCE7F1;
  padding: 46px 0 52px;
}

.page-products .products-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .products-cta__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 6vw, 34px);
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-products .products-cta__lead {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: #B9CBDB;
  max-width: 44em;
}

.page-products .eyebrow--vertical {
  display: inline-block;
  writing-mode: vertical-rl;
  letter-spacing: 0.3em;
  color: var(--orange-400);
}

.page-products .products-cta__actions {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
}

.page-products .btn--primary {
  background: var(--orange-600);
  color: #fff;
}

.page-products .btn--primary:hover {
  background: var(--orange-400);
}

.page-products .btn--ghost {
  background: transparent;
  border-color: rgba(187, 211, 230, 0.45);
  color: var(--blue-700);
}

.page-products .products-cta .btn--ghost {
  color: #DCE7F1;
  border-color: rgba(187, 211, 230, 0.35);
}

.page-products .btn--ghost:hover {
  border-color: var(--orange-400);
  color: var(--orange-600);
}

.page-products .products-cta .btn--ghost:hover {
  color: #fff;
  border-color: var(--orange-400);
}

.page-products .btn--block {
  width: 100%;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .products-scale {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-products .products-cta__actions .btn--primary {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-products .section {
    padding: 72px 0;
  }

  .page-products .section-title {
    font-size: 30px;
  }

  .page-products .products-hero {
    padding: 48px 0 64px;
  }

  .page-products .products-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 44px;
  }

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

  .page-products .products-specs__layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    gap: 28px;
  }

  .page-products .products-pack__body {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .products-repair__tracks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .products-repair__figure,
  .page-products .products-specs__figure {
    aspect-ratio: 16 / 9;
  }

  .page-products .products-specs__figure {
    aspect-ratio: 3 / 2;
  }

  .page-products .products-cta__inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .products-cta__actions {
    grid-template-columns: 1fr;
  }

  .page-products .products-cta__actions .btn--primary {
    grid-column: auto;
  }

  .page-products .products-step__summary {
    padding: 18px 22px;
  }

  .page-products .products-step__body {
    padding: 16px 22px 22px;
  }
}

@media (min-width: 1100px) {
  .page-products .products-scale {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .products-scene--shift {
    transform: translateY(24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .products-scale__item,
  .page-products .products-track,
  .page-products .products-step {
    transition: none;
  }
}