.page-products {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
}

.page-products .breadcrumbs {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */

.page-products .catalog-hero {
  padding-top: clamp(24px, 4vw, 40px);
}

.page-products .catalog-hero__top {
  max-width: 60ch;
}

.page-products .catalog-hero__title {
  font-size: clamp(30px, 6.6vw, 56px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 10px 0 0;
}

.page-products .catalog-hero__lede {
  margin-top: 18px;
  color: var(--slate);
  max-width: 54ch;
}

.page-products .catalog-hero__body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(28px, 5vw, 52px);
}

.page-products .zone-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .zone-card {
  position: relative;
  background: var(--paper);
  border: var(--line);
  border-top-width: 8px;
  box-shadow: var(--hard-sm);
  padding: 20px 18px 18px;
  min-height: 100%;
  transition: transform 200ms ease-out, box-shadow 200ms ease-out;
}

.page-products .zone-card--nav { border-top-color: var(--blue); }
.page-products .zone-card--func { border-top-color: var(--red); }
.page-products .zone-card--log { border-top-color: var(--gold); }
.page-products .zone-card--faq { border-top-color: var(--green); }

.page-products .zone-card__num {
  display: block;
  margin-bottom: 8px;
}

.page-products .zone-card__name {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.01em;
}

.page-products .zone-card__count {
  margin: 8px 0 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-products .zone-card__count .mono {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0;
}

.page-products .zone-card__fit {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .zone-card__list {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(11, 14, 23, 0.28);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-products .catalog-hero__media {
  margin: 0;
}

/* ---------- 视图切换区 ---------- */

.page-products .catalog-views__head {
  max-width: 58ch;
}

.page-products .catalog-views__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 26px;
  padding-bottom: 18px;
  border-bottom: var(--line);
}

.page-products .cat-chips {
  flex: 1 1 260px;
  min-width: 0;
}

.page-products .tabs-panel {
  margin-top: 28px;
}

.page-products .tabs-panel:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 6px;
}

/* ---------- 卡片视图 ---------- */

.page-products .cat-cards {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .cat-card {
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--hard-sm);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  transition: transform 180ms ease-out, box-shadow 180ms ease-out;
}

.page-products .cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 8px 10px 0 var(--ink);
}

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

.page-products .cat-card__round {
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products .cat-card .card__title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  margin: 14px 0 0;
}

.page-products .cat-card .card__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate);
  flex: 1 1 auto;
}

.page-products .cat-card__more {
  margin-top: 14px;
  border-top: 1px dashed rgba(11, 14, 23, 0.24);
  padding-top: 12px;
}

.page-products .cat-card__more > summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--red);
}

.page-products .cat-card__more > summary::-webkit-details-marker {
  display: none;
}

.page-products .cat-card__more > summary::after {
  content: "  ＋";
  font-weight: 400;
}

.page-products .cat-card__more[open] > summary::after {
  content: "  －";
}

.page-products .cat-card__more > p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .cat-cards__figure {
  grid-column: 1 / -1;
  margin: 12px 0 0;
}

/* ---------- 时间线视图 ---------- */

.page-products .cat-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .cat-timeline__item {
  position: relative;
  padding: 0 0 22px 32px;
}

.page-products .cat-timeline__item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 26px;
  bottom: 0;
  width: 2px;
  background: var(--gold);
}

.page-products .cat-timeline__item:last-child {
  padding-bottom: 0;
}

.page-products .cat-timeline__item:last-child::before {
  display: none;
}

.page-products .cat-timeline__node {
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--gold);
}

.page-products .cat-timeline__item.is-current .cat-timeline__node {
  background: var(--red);
}

.page-products .cat-timeline__item.is-current .cat-timeline__round {
  color: var(--red);
}

.page-products .cat-timeline__round {
  font-size: 12px;
  letter-spacing: 0.1em;
  margin: 0;
}

.page-products .cat-timeline__title {
  font-size: 19px;
  font-weight: 700;
  margin: 8px 0 0;
  line-height: 1.45;
}

.page-products .cat-timeline__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .cat-timeline__figure {
  margin: 26px 0 0;
}

/* ---------- 条目分布 ---------- */

.page-products .catalog-stats {
  color: var(--on-ink-1);
}

.page-products .catalog-stats__layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .catalog-stats__lead .sub-title {
  color: var(--on-ink-2);
}

.page-products .stat-row {
  padding: 18px 0;
  border-bottom: 2px solid rgba(242, 243, 247, 0.22);
}

.page-products .stat-row:first-child {
  border-top: 2px solid rgba(242, 243, 247, 0.22);
}

.page-products .stat-row__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.page-products .stat-row__label {
  font-size: 15px;
  color: var(--on-ink-1);
}

.page-products .stat-row__num {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
}

.page-products .stat-track {
  margin-top: 12px;
  height: 16px;
  background: rgba(242, 243, 247, 0.12);
  border: 2px solid rgba(242, 243, 247, 0.32);
}

.page-products .stat-track__fill {
  display: block;
  height: 100%;
}

.page-products .stat-track__fill--guide {
  width: 50%;
  background: var(--red);
}

.page-products .stat-track__fill--desc {
  width: 32.8%;
  background: var(--blue);
}

.page-products .stat-track__fill--log {
  width: 17.2%;
  background: var(--gold);
}

.page-products .stat-row__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-ink-3);
}

.page-products .catalog-stats__media {
  margin: 4px 0 0;
}

.page-products .catalog-stats__media .media__caption {
  color: var(--on-ink-3);
}

/* ---------- 订阅与检索 ---------- */

.page-products .catalog-use__head {
  max-width: 46ch;
}

.page-products .use-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 30px;
}

.page-products .use-card {
  background: var(--mist);
  border: var(--line);
  padding: 20px 18px 18px;
  position: relative;
}

.page-products .use-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
}

.page-products .use-card--red::before { background: var(--red); }
.page-products .use-card--blue::before { background: var(--blue); }
.page-products .use-card--gold::before { background: var(--gold); }

.page-products .use-card__title {
  font-size: 20px;
  font-weight: 700;
  margin: 10px 0 0;
}

.page-products .use-card__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .use-card__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(11, 14, 23, 0.26);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 节拍 ---------- */

.page-products .catalog-rhythm__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-products .catalog-rhythm__text .sub-title {
  color: var(--slate);
}

.page-products .rhythm-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .rhythm-list__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(11, 14, 23, 0.22);
  font-size: 15px;
  line-height: 1.7;
}

.page-products .rhythm-list__item .status-dot {
  margin-top: 7px;
  flex: 0 0 auto;
}

.page-products .catalog-rhythm__media {
  margin: 0;
}

/* ---------- 下一步 ---------- */

.page-products .catalog-next__head {
  max-width: 48ch;
}

.page-products .next-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 28px;
}

.page-products .next-card {
  display: flex;
  flex-direction: column;
  background: var(--navy);
  border: 2px solid var(--on-ink-1);
  box-shadow: 8px 8px 0 var(--red);
  padding: 22px 20px;
  text-decoration: none;
  color: var(--on-ink-1);
  transition: transform 180ms ease-out, box-shadow 180ms ease-out;
}

.page-products .next-card:hover,
.page-products .next-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 8px 12px 0 var(--gold);
}

.page-products .next-card__num {
  color: var(--gold);
}

.page-products .next-card__title {
  font-size: 21px;
  font-weight: 700;
  margin: 10px 0 0;
}

.page-products .next-card__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--on-ink-2);
  flex: 1 1 auto;
}

.page-products .next-card__go {
  margin-top: 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ---------- 媒体通用微调 ---------- */

.page-products .media__inner {
  border: var(--line);
  background: var(--mist);
}

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

.page-products .media__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-products .zone-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-products .catalog-hero__media {
    margin-top: 34px;
  }

  .page-products .catalog-stats__layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .catalog-stats__media {
    grid-column: 2 / 3;
  }

  .page-products .catalog-rhythm__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-products .cat-timeline {
    max-width: 78ch;
  }
}

@media (min-width: 1040px) {
  .page-products .cat-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .cat-card:nth-child(2),
  .page-products .cat-card:nth-child(5),
  .page-products .cat-card:nth-child(8) {
    transform: translateY(24px);
  }

  .page-products .cat-card:nth-child(2):hover,
  .page-products .cat-card:nth-child(5):hover,
  .page-products .cat-card:nth-child(8):hover {
    transform: translateY(20px);
  }

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

  .page-products .next-card:nth-child(2) {
    transform: translateY(16px);
  }

  .page-products .next-card:nth-child(2):hover,
  .page-products .next-card:nth-child(2):focus-visible {
    transform: translateY(12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .zone-card,
  .page-products .cat-card,
  .page-products .next-card {
    transition: none;
  }

  .page-products .cat-card:hover,
  .page-products .cat-card:nth-child(2):hover,
  .page-products .cat-card:nth-child(5):hover,
  .page-products .cat-card:nth-child(8):hover,
  .page-products .next-card:hover,
  .page-products .next-card:nth-child(2):hover {
    transform: none;
  }
}