.page-products {
  padding-bottom: var(--pad-y);
}

/* ---------- 通用文字块 ---------- */
.page-products .lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.78;
  color: var(--body-text);
}

.page-products .text-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-products .text-link:hover,
.page-products .text-link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  padding: clamp(24px, 3.5vw, 48px) 0 clamp(36px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-products .hero__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 26px);
}

.page-products .hero__meta {
  margin: 0;
  color: var(--muted);
}

.page-products .hero__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 20ch;
}

.page-products .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .hero__panel {
  margin-top: clamp(8px, 2vw, 20px);
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: clamp(16px, 2vw, 26px) clamp(14px, 2vw, 28px) clamp(12px, 1.6vw, 20px);
}

.page-products .hero__panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.page-products .hero__svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: clamp(12px, 2vw, 22px);
}

.page-products .hero__grid {
  stroke: var(--line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.page-products .hero__line {
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.page-products .hero__line.is-up {
  stroke: var(--amber);
}

.page-products .hero__line.is-down {
  stroke: var(--rose);
}

.page-products .hero__dot {
  fill: var(--cyan);
}

.page-products .hero__ticks {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
}

/* ---------- 区块与章节标题 ---------- */
.page-products .block {
  padding: var(--pad-y) 0;
  border-bottom: 1px solid var(--line);
}

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

.page-products .block--odds {
  background: var(--ink-800);
}

.page-products .block--timeline {
  background: var(--ink-900);
}

.page-products .block--download {
  background: var(--ink-800);
}

.page-products .block--audience {
  background: var(--ink-800);
}

.page-products .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 3vw, 44px);
  max-width: 74ch;
}

.page-products .section-head__index {
  color: var(--cyan);
}

.page-products .section-head__title,
.page-products .block__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .section-head__note {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 62ch;
}

.page-products .block__grid {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.page-products .block__head {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .block__head p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
}

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

.page-products .block__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--body-text);
}

.page-products .block__list .mono-label {
  min-width: 84px;
  color: var(--muted);
}

.page-products .block__aside {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.page-products .block__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
  padding: clamp(10px, 1.4vw, 16px);
}

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

/* ---------- 栏目矩阵 ---------- */
.page-products .matrix-hero {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-bottom: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-products .matrix-hero__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: clamp(10px, 1.4vw, 16px);
}

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

.page-products .matrix-hero__text p {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
}

.page-products .matrix-hero__hint {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--cyan);
  line-height: 1.8;
}

.page-products .matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-products .col-cell {
  position: relative;
  background: var(--ink-900);
  padding: clamp(18px, 2vw, 26px) clamp(16px, 1.8vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background-color 160ms ease, box-shadow 160ms ease;
}

.page-products .col-cell:hover {
  background: var(--ink-700);
}

.page-products .col-cell:focus-within {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .col-cell__idx {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .col-cell__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-products .col-cell__desc {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-text);
}

.page-products .col-cell__cadence {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--ink-800);
}

/* ---------- 数据表 ---------- */
.page-products .data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 6px;
  font-size: 14px;
}

.page-products .data-table caption {
  text-align: left;
  padding-bottom: 12px;
  color: var(--muted);
}

.page-products .data-table th,
.page-products .data-table td {
  padding: 11px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  color: var(--body-text);
}

.page-products .data-table th {
  color: var(--muted);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.12em;
  border-bottom-color: var(--line);
}

.page-products .data-table tbody tr:hover {
  background: var(--ink-700);
}

/* ---------- 时间轴 ---------- */
.page-products .timeline-fig {
  margin: 0 0 clamp(24px, 3vw, 40px);
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: clamp(10px, 1.4vw, 16px);
}

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

.page-products .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .timeline__item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px 16px;
  align-items: center;
  padding: 14px 0;
  background: var(--ink-900);
}

.page-products .timeline__year {
  font-size: 13px;
  color: var(--muted);
  padding-left: 2px;
}

.page-products .timeline__bar {
  height: 6px;
  background: var(--ink-700);
  position: relative;
  overflow: hidden;
}

.page-products .timeline__bar::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 42%;
  background: var(--blue);
}

.page-products .timeline__note {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.6;
  color: var(--body-text);
}

.page-products .timeline__item.is-current .timeline__year {
  color: var(--cyan);
}

.page-products .timeline__item.is-current .timeline__bar::after {
  width: 100%;
  background: var(--cyan);
}

.page-products .timeline__foot {
  margin: clamp(22px, 3vw, 34px) 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
}

/* ---------- 两端下载 ---------- */
.page-products .client-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-products .client-card {
  border: 1px solid var(--line);
  background: var(--ink-900);
  padding: clamp(20px, 2.4vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .client-card--web {
  border-top: 3px solid var(--blue);
}

.page-products .client-card--app {
  border-top: 3px solid var(--cyan);
}

.page-products .client-card__tag {
  color: var(--muted);
}

.page-products .client-card__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}

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

.page-products .client-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-text);
}

.page-products .client-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-products .client-fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
  padding: clamp(10px, 1.4vw, 16px);
}

.page-products .client-fig img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto;
  object-fit: cover;
}

.page-products .download-strip {
  margin-top: clamp(26px, 3.5vw, 44px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  align-items: center;
  justify-content: space-between;
}

.page-products .download-strip__text {
  margin: 0;
  flex: 1 1 320px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
}

.page-products .download-strip__note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 检索步骤 ---------- */
.page-products .steps {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .step {
  background: var(--ink-900);
  padding: clamp(18px, 2.2vw, 26px);
  display: grid;
  gap: 8px;
  transition: background-color 160ms ease;
}

.page-products .step:hover {
  background: var(--ink-700);
}

.page-products .step--accent {
  background: var(--ink-800);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-products .step__no {
  font-size: 14px;
  color: var(--cyan);
}

.page-products .step__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-text);
}

/* ---------- 适用人群 ---------- */
.page-products .audience {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .audience__card {
  background: var(--ink-900);
  padding: clamp(22px, 2.6vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background-color 160ms ease;
}

.page-products .audience__card:hover {
  background: var(--ink-700);
}

.page-products .audience__tag {
  align-self: flex-start;
  padding: 4px 10px;
  border: 1px solid var(--line);
  color: var(--cyan);
  background: var(--ink-800);
}

.page-products .audience__title {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-products .audience__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--body-text);
}

/* ---------- 图片说明 ---------- */
.page-products .media__caption {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .matrix {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .timeline__item {
    grid-template-columns: 108px 1fr 1.2fr;
    gap: 20px;
    align-items: center;
  }

  .page-products .timeline__note {
    grid-column: 3;
  }

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

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

@media (min-width: 960px) {
  .page-products .hero {
    padding-top: clamp(36px, 4vw, 60px);
  }

  .page-products .matrix-hero {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

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

  .page-products .block__grid {
    grid-template-columns: 1fr 1.05fr;
  }

  .page-products .block__grid--flip {
    grid-template-columns: 1.05fr 1fr;
  }

  .page-products .block__grid--flip .block__head {
    order: 2;
  }

  .page-products .block__grid--flip .block__fig {
    order: 1;
  }

  .page-products .client-grid {
    grid-template-columns: 1fr 0.85fr 1fr;
  }

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

@media (min-width: 1200px) {
  .page-products .matrix {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .hero__title {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .col-cell,
  .page-products .step,
  .page-products .audience__card,
  .page-products .text-link {
    transition: none;
  }
}