.page-products {
  --tools-gap: clamp(16px, 2.2vw, 24px);
  --tools-rule: 1px solid var(--grid-line);
  --tools-rule-ink: 1px solid var(--ink-abyss);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px var(--gutter) 0;
}
.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--sea-mid);
}
.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--grid-line);
}
.page-products .breadcrumb a {
  color: var(--sea-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  border-bottom-color: var(--electric-teal);
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(28px, 4vw, 48px);
}
.page-products .tools-hero__title {
  margin: 12px 0 0;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink-abyss);
}
.page-products .tools-hero__lead {
  max-width: 44rem;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .tools-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 锚点导航 ---------- */
.page-products .tools-anchor {
  border-top: var(--tools-rule);
  border-bottom: var(--tools-rule);
  background: var(--pearl);
}
.page-products .tools-anchor__list {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 14px 0;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-products .tools-anchor__list li {
  flex: 0 0 auto;
}
.page-products .tools-anchor .anchor-nav__link {
  position: relative;
  display: inline-block;
  padding-left: 16px;
  font-size: 14px;
  color: var(--slate);
  text-decoration: none;
  white-space: nowrap;
}
.page-products .tools-anchor .anchor-nav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--grid-line);
  transform: translateY(-50%);
  transition: width 260ms cubic-bezier(0.22, 0.61, 0.36, 1), background-color 260ms;
}
.page-products .tools-anchor .anchor-nav__link:hover::before,
.page-products .tools-anchor .anchor-nav__link:focus-visible::before,
.page-products .tools-anchor .anchor-nav__link[aria-current="true"]::before {
  width: 20px;
  background: var(--coral-entry);
}
.page-products .tools-anchor .anchor-nav__link[aria-current="true"] {
  color: var(--ink-abyss);
  font-weight: 600;
}

/* ---------- 栏目分区 ---------- */
.page-products .tools-zones__intro {
  max-width: 42rem;
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .tools-zones__figure {
  margin: 0 0 28px;
}
.page-products .tools-zones__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: var(--tools-rule);
}
.page-products .tools-zones__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tools-gap);
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .tools-zone__card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px;
  background: var(--pearl);
  border: var(--tools-rule);
  border-radius: 0;
  transition: border-color 220ms ease;
}
.page-products .tools-zone__card:hover,
.page-products .tools-zone__card:focus-within {
  border-color: var(--coral-entry);
}
.page-products .tools-zone__name {
  margin: 8px 0 6px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink-abyss);
}
.page-products .tools-zone__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}
.page-products .tools-zone__subs {
  list-style: none;
  margin: auto 0 0;
  padding: 12px 0 0;
  border-top: var(--tools-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
}
.page-products .tools-zone__subs li {
  font-size: 12px;
  line-height: 1.6;
  color: var(--sea-mid);
}
.page-products .tools-zone__subs li::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1px;
  margin-right: 5px;
  vertical-align: middle;
  background: var(--grid-line);
}

/* ---------- 检索 ---------- */
.page-products .tools-search__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}
.page-products .tools-search__block + .tools-search__block {
  margin-top: 24px;
  padding-top: 24px;
  border-top: var(--tools-rule);
}
.page-products .tools-search__h {
  margin: 0 0 8px;
  padding-left: 10px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink-abyss);
  border-left: 2px solid var(--sea-mid);
}
.page-products .tools-search__copy p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}
.page-products .tools-search__figure {
  margin: 0;
}
.page-products .tools-search__figure figcaption,
.page-products .tools-devices__fig figcaption,
.page-products .tools-cardinfo__figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--sea-mid);
  font-family: var(--font-mono);
}

/* ---------- 设备版式 ---------- */
.page-products .tools-devices__intro {
  max-width: 42rem;
  margin: 0 0 24px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .tools-devices__tablewrap {
  overflow-x: auto;
  border: var(--tools-rule);
  background: var(--pearl);
}
.page-products .tools-devices__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .tools-devices__caption {
  padding: 14px 18px;
  text-align: left;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--sea-mid);
  border-bottom: var(--tools-rule);
}
.page-products .tools-devices__table th,
.page-products .tools-devices__table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: var(--tools-rule);
}
.page-products .tools-devices__table thead th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-abyss);
  background: var(--mist);
  border-bottom: var(--tools-rule-ink);
}
.page-products .tools-devices__table tbody th {
  font-weight: 600;
  color: var(--ink-abyss);
  white-space: nowrap;
  border-right: var(--tools-rule);
}
.page-products .tools-devices__table tbody td {
  color: var(--slate);
}
.page-products .tools-devices__table tbody tr:last-child th,
.page-products .tools-devices__table tbody tr:last-child td {
  border-bottom: 0;
}
.page-products .tools-devices__table tbody tr.is-tablet td {
  color: var(--coral-text);
  background: rgba(255, 107, 74, 0.05);
}
.page-products .tools-devices__figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tools-gap);
  margin-top: 28px;
}
.page-products .tools-devices__fig {
  margin: 0;
}

/* ---------- 资料卡片字段 ---------- */
.page-products .tools-cardinfo__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}
.page-products .tools-cardinfo__copy > p {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}
.page-products .tools-cardinfo__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .tools-cardinfo__list li {
  padding: 14px 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate);
  border-top: var(--tools-rule);
}
.page-products .tools-cardinfo__list li:last-child {
  border-bottom: var(--tools-rule);
}
.page-products .tools-tag {
  display: inline-block;
  margin-right: 10px;
  padding: 3px 8px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--ink-abyss);
  background: var(--mist);
  border-left: 2px solid var(--sea-mid);
}
.page-products .tools-cardinfo__figure {
  margin: 0;
}

/* ---------- 三步 ---------- */
.page-products .tools-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tools-gap);
}
.page-products .tools-step {
  position: relative;
  padding: 24px 20px 20px;
  background: var(--pearl);
  border: var(--tools-rule);
  border-top: 3px solid var(--ink-abyss);
}
.page-products .tools-step__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--coral-text);
}
.page-products .tools-step__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink-abyss);
}
.page-products .tools-step__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .tools-step__back {
  margin: 0;
  padding-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sea-mid);
  border-top: var(--tools-rule);
}
.page-products .tools-steps__more {
  max-width: 44rem;
  margin: 28px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}
.page-products .tools-steps__more a {
  color: var(--coral-text);
  text-decoration: none;
  border-bottom: 1px solid var(--grid-line);
}
.page-products .tools-steps__more a:hover,
.page-products .tools-steps__more a:focus-visible {
  border-bottom-color: var(--coral-entry);
}

/* ---------- 规模数据 ---------- */
.page-products .tools-scale__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: var(--tools-rule);
  border-left: var(--tools-rule);
}
.page-products .tools-scale__stat {
  padding: 22px 18px;
  border-right: var(--tools-rule);
  border-bottom: var(--tools-rule);
  background: var(--pearl);
}
.page-products .tools-scale__num {
  margin: 0;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink-abyss);
}
.page-products .tools-scale__label {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--sea-mid);
}
.page-products .tools-scale__note {
  max-width: 46rem;
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}
.page-products .tools-scale__note a {
  color: var(--coral-text);
  text-decoration: none;
  border-bottom: 1px solid var(--grid-line);
}
.page-products .tools-scale__note a:hover,
.page-products .tools-scale__note a:focus-visible {
  border-bottom-color: var(--coral-entry);
}

/* ---------- 图片通用 ---------- */
.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-products .tools-zones__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .tools-devices__figures {
    grid-template-columns: 3fr 2fr;
    align-items: start;
  }
  .page-products .tools-steps__list {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .tools-scale__stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .tools-zones__grid {
    grid-template-columns: repeat(4, 1fr);
    column-gap: var(--tools-gap);
  }
  .page-products .tools-zone:nth-child(4n + 2) {
    transform: translateY(12px);
  }
  .page-products .tools-zone:nth-child(4n + 4) {
    transform: translateY(24px);
  }
  .page-products .tools-search__body {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  }
  .page-products .tools-cardinfo__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
  .page-products .tools-scale__stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tools-anchor .anchor-nav__link::before,
  .page-products .tools-zone__card {
    transition: none;
  }
  .page-products .tools-zone:nth-child(4n + 2),
  .page-products .tools-zone:nth-child(4n + 4) {
    transform: none;
  }
}
</main>