.page-products {
  --products-line: rgba(17, 17, 17, 0.12);
  --products-line-soft: rgba(17, 17, 17, 0.07);
}

/* 面包屑 */
.page-products .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
}

/* 首屏 */
.page-products .products-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 7vw, 72px);
  overflow: hidden;
}
.page-products .products-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}
.page-products .products-hero__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(34px, 5.6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 14px 0 18px;
}
.page-products .products-hero__lede {
  max-width: 44ch;
  color: var(--ink-60);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
}
.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-products .products-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 20px;
  border-top: 1px solid var(--products-line);
}
.page-products .products-hero__stat dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
  text-transform: uppercase;
}
.page-products .products-hero__stat dd {
  margin: 6px 0 0;
  font-size: clamp(20px, 2.6vw, 30px);
  color: var(--gold-deep);
  font-weight: 500;
}
.page-products .products-hero__media {
  position: relative;
  isolation: isolate;
}
.page-products .products-hero__media::before {
  content: "";
  position: absolute;
  inset: 18px -14px -14px 18px;
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--ink) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 82%, 80% 100%, 0 100%);
  z-index: -1;
}
.page-products .products-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 两栏布局 */
.page-products .products-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(40px, 6vw, 80px);
}
.page-products .products-flow {
  min-width: 0;
}

/* 章节通用 */
.page-products .products-section {
  padding: clamp(32px, 5vw, 56px) 0;
  border-top: 1px solid var(--products-line);
}
.page-products .products-section:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-products .products-section__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}
.page-products .products-section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.18;
  color: var(--ink);
  margin: 10px 0 12px;
}
.page-products .products-section__lede {
  max-width: 56ch;
  color: var(--ink-60);
  font-size: 16px;
  line-height: 1.8;
}
.page-products .products-section__footnote {
  margin-top: 22px;
  font-size: 14px;
  color: var(--fog);
  line-height: 1.8;
}
.page-products .products-section__footnote a {
  margin: 0 4px;
}

/* 服务矩阵 */
.page-products .products-matrix {
  border-top: 1px solid var(--products-line);
}
.page-products .products-matrix__row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 16px 0;
  border-bottom: 1px solid var(--products-line);
  transition: background-color 0.25s var(--ease);
}
.page-products .products-matrix__row--head {
  display: none;
}
.page-products .products-matrix__cell {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}
.page-products .products-matrix__cell--h {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fog);
  text-transform: uppercase;
}
.page-products .products-matrix__cell--key {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
}
.page-products .products-matrix__cell[data-label]::before {
  content: attr(data-label) "：";
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--fog);
  margin-right: 4px;
}
.page-products .products-matrix__cell--key[data-label]::before {
  display: block;
  margin: 0 0 2px;
}
.page-products .products-matrix__hover {
  display: none;
}

/* 服务章节 */
.page-products .products-chapter {
  padding: clamp(32px, 5vw, 56px) 0;
  border-top: 1px solid var(--products-line);
}
.page-products .products-chapter__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-products .products-chapter__label {
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.page-products .products-chapter__num {
  font-size: 13px;
  color: var(--gold-deep);
  letter-spacing: 0.12em;
}
.page-products .products-chapter__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.16;
  color: var(--ink);
  margin: 0;
}
.page-products .products-chapter__params {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--products-line-soft);
}
.page-products .products-chapter__param dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
  text-transform: uppercase;
}
.page-products .products-chapter__param dd {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--gold-deep);
}
.page-products .products-chapter__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}
.page-products .products-chapter__figure {
  margin: 0;
}
.page-products .products-chapter__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .products-chapter__text p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}
.page-products .products-chapter__text p + p {
  margin-top: 4px;
}
.page-products .products-chapter__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .products-chapter__list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-top: 1px solid var(--products-line-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}
.page-products .products-chapter__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 10px;
  height: 1px;
  background: var(--gold);
}
.page-products .products-chapter__list strong {
  display: inline-block;
  font-weight: 600;
  margin-right: 6px;
  color: var(--ink);
}
.page-products .products-chapter__aside {
  margin-top: 20px !important;
  font-size: 14px !important;
  color: var(--fog) !important;
  line-height: 1.8 !important;
}

/* 右侧栏 */
.page-products .products-rail {
  display: none;
}

/* 合作流程 */
.page-products .products-flow-section {
  padding: clamp(40px, 6vw, 72px) 0;
  border-top: 1px solid var(--products-line);
}
.page-products .products-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}
.page-products .products-steps__item {
  position: relative;
  padding: 20px 0 24px 40px;
  border-left: 1px solid var(--gold-line);
  transition: background-color 0.2s var(--ease);
}
.page-products .products-steps__item:last-child {
  padding-bottom: 0;
}
.page-products .products-steps__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--gold-deep);
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.page-products .products-steps__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
  margin-bottom: 4px;
}
.page-products .products-steps__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  color: var(--ink);
  margin: 0 0 6px;
}
.page-products .products-steps__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-60);
  opacity: 0.82;
  transition: opacity 0.2s var(--ease);
}
.page-products .products-steps__item:hover::before,
.page-products .products-steps__item:focus-within::before,
.page-products .products-steps__item:focus-visible::before {
  background: var(--gold);
  transform: scale(1.2);
}
.page-products .products-steps__item:hover .products-steps__desc,
.page-products .products-steps__item:focus-within .products-steps__desc,
.page-products .products-steps__item:focus-visible .products-steps__desc {
  opacity: 1;
  color: var(--ink);
}

/* CTA */
.page-products .products-cta {
  background: var(--charcoal);
  color: var(--paper);
  padding: clamp(40px, 6vw, 72px) 0;
  border-top: 1px solid var(--gold-line);
}
.page-products .products-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
}
.page-products .products-cta__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  color: var(--paper);
  margin: 10px 0 12px;
}
.page-products .products-cta__lede {
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-72);
}
.page-products .products-cta .eyebrow {
  color: var(--gold);
}
.page-products .products-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 中等宽度 */
@media (min-width: 560px) {
  .page-products .products-chapter__head {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-products .products-chapter__body {
    grid-template-columns: 1fr 1.2fr;
  }
}

/* 桌面 */
@media (min-width: 720px) {
  .page-products .products-matrix__row {
    grid-template-columns: minmax(150px, 1.2fr) minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 16px;
    padding: 18px 12px;
  }
  .page-products .products-matrix__row--head {
    display: grid;
    padding: 10px 12px;
    border-bottom: 1px solid var(--products-line);
  }
  .page-products .products-matrix__cell--key {
    font-size: 17px;
  }
  .page-products .products-matrix__cell[data-label]::before {
    display: none;
  }
  .page-products .products-matrix__cell--key[data-label]::before {
    display: none;
  }
  .page-products .products-matrix__row:hover,
  .page-products .products-matrix__row:focus-within {
    background: var(--paper-warm);
  }
  .page-products .products-matrix__row:hover .products-matrix__hover,
  .page-products .products-matrix__row:focus-within .products-matrix__hover {
    display: block;
  }
  .page-products .products-matrix__hover {
    grid-column: 1 / -1;
    padding: 6px 0 0;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--gold-deep);
  }
}

@media (min-width: 960px) {
  .page-products .products-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }
  .page-products .products-layout {
    grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr);
    align-items: start;
  }
  .page-products .products-rail {
    display: block;
    position: sticky;
    top: 132px;
    padding: 24px;
    background: var(--paper-warm);
    border: 1px solid var(--products-line);
  }
  .page-products .products-toc__label {
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--fog);
    text-transform: uppercase;
    margin: 0 0 12px;
  }
  .page-products .products-toc__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 4px;
  }
  .page-products .products-toc__link {
    display: flex;
    gap: 8px;
    padding: 8px 10px;
    font-size: 14px;
    color: var(--ink);
    border-left: 2px solid transparent;
    transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
  }
  .page-products .products-toc__link .mono {
    font-size: 11px;
    color: var(--gold-deep);
    letter-spacing: 0.08em;
  }
  .page-products .products-toc__link:hover,
  .page-products .products-toc__link:focus-visible {
    background: var(--paper);
    border-left-color: var(--gold);
  }
  .page-products .products-toc__link[aria-current] {
    background: var(--paper);
    border-left-color: var(--gold-deep);
    font-weight: 500;
  }
  .page-products .products-rail__badge {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--products-line);
  }
  .page-products .products-rail__note {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--fog);
    line-height: 1.6;
  }
  .page-products .products-rail__contact {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--products-line);
  }
  .page-products .products-rail__contact p {
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--fog);
    text-transform: uppercase;
    margin: 0 0 10px;
  }

  .page-products .products-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 20px;
    margin-top: 12px;
  }
  .page-products .products-steps__item {
    padding: 28px 12px 0 0;
    border-left: 0;
    border-top: 1px solid var(--gold-line);
  }
  .page-products .products-steps__item::before {
    left: 0;
    top: -5px;
  }
  .page-products .products-steps__item:last-child {
    padding-bottom: 0;
  }
  .page-products .products-steps__desc {
    font-size: 13px;
  }
  .page-products .products-steps__title {
    font-size: 18px;
  }

  .page-products .products-cta__inner {
    grid-template-columns: minmax(0, 1.6fr) auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .products-matrix__row,
  .page-products .products-steps__item,
  .page-products .products-steps__item::before,
  .page-products .products-steps__desc,
  .page-products .products-toc__link {
    transition: none;
  }
}