.page-products {
  --prod-line: rgba(11, 21, 38, .14);
  --prod-line-soft: rgba(247, 243, 236, .16);
  --prod-ink-soft: rgba(247, 243, 236, .72);
  overflow-x: clip;
  font-family: var(--font-sans);
  color: var(--ink-900);
}

/* ---------- 面包屑 ---------- */
.page-products .tools-hero__crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(247, 243, 236, .5);
}
.page-products .tools-hero__crumb a {
  color: rgba(247, 243, 236, .8);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-products .tools-hero__crumb a:hover,
.page-products .tools-hero__crumb a:focus-visible { color: var(--orange); }

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  padding-bottom: clamp(52px, 8vw, 96px);
}
.page-products .tools-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--noise);
  opacity: .45;
  pointer-events: none;
}
.page-products .tools-hero__inner { position: relative; z-index: 1; }

.page-products .tools-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  padding-top: 30px;
}

.page-products .tools-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(34px, 8.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--paper);
}
.page-products .tools-hero__title em {
  font-style: normal;
  color: var(--orange);
}
.page-products .tools-hero__lead {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--prod-ink-soft);
}
.page-products .tools-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-products .tools-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 34px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--prod-line-soft);
  list-style: none;
  font-size: 13px;
  color: rgba(247, 243, 236, .64);
}
.page-products .tools-hero__meta .num {
  margin-right: 7px;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 22px;
  color: var(--orange);
}

.page-products .tools-hero__panel {
  padding: 18px;
  border: 1px solid var(--prod-line-soft);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(5px);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .tools-hero__panel:hover {
  background: var(--glass-2);
  border-color: rgba(247, 243, 236, .3);
}
.page-products .panel-label {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
}
.page-products .tools-hero__media { margin: 0; }
.page-products .panel-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 243, 236, .62);
}

/* ---------- 使用路径 ---------- */
.page-products .tools-path { padding: clamp(52px, 8vw, 96px) 0; }
.page-products .tools-path__lead { margin-top: 16px; max-width: 50ch; }

.page-products .tools-path__tree {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-products .tools-path__node {
  position: relative;
  padding-left: 62px;
  padding-bottom: 26px;
}
.page-products .tools-path__node::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 44px;
  bottom: 0;
  width: 2px;
  background: rgba(58, 157, 143, .38);
}
.page-products .tools-path__node:last-child { padding-bottom: 0; }
.page-products .tools-path__node:last-child::before { display: none; }

.page-products .tools-path__node .step-path__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--paper);
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .04em;
}

.page-products .tools-path__node a {
  display: block;
  padding: 15px 16px 16px;
  border: 1px solid var(--prod-line);
  border-left: 3px solid var(--green);
  border-radius: var(--radius);
  background: var(--white);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .tools-path__node a:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  border-left-color: var(--orange);
  box-shadow: var(--shadow-1);
}
.page-products .tools-path__label {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.005em;
  color: var(--ink-900);
}
.page-products .tools-path__hint {
  display: block;
  margin-top: 7px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-300);
}

/* ---------- 工具总览 ---------- */
.page-products .tools-tools { padding: clamp(52px, 8vw, 96px) 0; }
.page-products .tools-tools__lead { margin-top: 16px; max-width: 52ch; }

.page-products .tools-tools__media {
  margin: 34px 0 0;
  border-radius: var(--radius);
}

.page-products .tools-tools__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--prod-line);
}
.page-products .tools-tools__jump a {
  padding: 8px 15px;
  border: 1px solid var(--prod-line);
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-800);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .tools-tools__jump a:hover {
  border-color: var(--orange);
  background: rgba(242, 140, 56, .12);
  color: var(--ink-900);
}

.page-products .tool-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 30px 0;
  border-top: 1px solid var(--prod-line);
}
.page-products .tool-group:first-child {
  margin-top: 34px;
  border-top: 2px solid var(--ink-800);
}

.page-products .tool-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -.005em;
  color: var(--ink-900);
}
.page-products .tool-group__idx {
  padding: 3px 8px;
  border: 1px solid rgba(58, 157, 143, .45);
  border-radius: var(--radius);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--green);
}

.page-products .tool-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}
.page-products .tool-list__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  padding: 13px 0;
  border-bottom: 1px solid var(--prod-line);
}
.page-products .tool-list__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink-300);
}
.page-products .tool-list__name {
  grid-column: 2;
  grid-row: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-800);
}
.page-products .tool-list__desc {
  grid-column: 2;
  grid-row: 2;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-300);
}

/* ---------- 多终端 ---------- */
.page-products .tools-devices { padding: clamp(52px, 8vw, 96px) 0; }
.page-products .tools-devices__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}
.page-products .tools-devices__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.2;
  color: var(--paper);
}
.page-products .tools-devices__lead {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--prod-ink-soft);
}
.page-products .tools-devices__media {
  margin: 26px 0 0;
  border-radius: var(--radius);
}

.page-products .tools-devices__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-products .device-item {
  padding: 18px 18px 20px;
  border: 1px solid var(--prod-line-soft);
  border-radius: var(--radius);
  background: var(--glass);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-products .device-item:hover {
  transform: translateY(-4px);
  background: var(--glass-2);
  border-color: rgba(247, 243, 236, .3);
}
.page-products .device-item__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  border: 1px solid rgba(58, 157, 143, .5);
  border-radius: var(--radius);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--green);
}
.page-products .device-item__name {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  color: var(--paper);
}
.page-products .device-item__desc {
  margin: 9px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(247, 243, 236, .66);
}

/* ---------- 检索与追溯 ---------- */
.page-products .tools-trace { padding: clamp(52px, 8vw, 96px) 0; }
.page-products .tools-trace__grid { gap: 32px; }
.page-products .tools-trace__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.2;
  color: var(--ink-900);
}
.page-products .tools-trace__lead {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.88;
  color: var(--ink-600);
}

.page-products .trace-steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-products .trace-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--prod-line);
}
.page-products .trace-steps__no {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  color: var(--orange);
}
.page-products .trace-steps__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}
.page-products .trace-steps__desc {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-300);
}
.page-products .tools-trace__more { margin: 26px 0 0; }

.page-products .tools-trace__rail {
  align-self: start;
}
.page-products .tools-trace__media { margin: 0 0 16px; }
.page-products .note-rail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-300);
}

/* ---------- 模板下载 ---------- */
.page-products .tools-download { padding: clamp(52px, 8vw, 96px) 0; }
.page-products .tools-download__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}
.page-products .tools-download__media { margin: 0; }
.page-products .tools-download__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.2;
  color: var(--ink-900);
}
.page-products .tools-download__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.88;
  color: var(--ink-600);
}

.page-products .download-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-products .download-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding: 16px 18px;
  border: 1px solid var(--prod-line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .download-list__item:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  border-left-color: var(--green);
  box-shadow: var(--shadow-1);
}
.page-products .download-list__kind {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-300);
}
.page-products .download-list__name {
  margin-top: 5px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink-800);
}
.page-products .download-list__desc {
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-300);
}

/* ---------- 常见问题 ---------- */
.page-products .tools-faq { padding: clamp(52px, 8vw, 96px) 0; }
.page-products .tools-faq__lead { margin-top: 16px; }
.page-products .tools-faq__list {
  margin-top: 34px;
  border-top: 2px solid var(--ink-800);
}
.page-products .tools-faq__item {
  border-bottom: 1px solid var(--prod-line);
}
.page-products .tools-faq__item summary {
  position: relative;
  padding: 18px 34px 18px 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink-800);
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}
.page-products .tools-faq__item summary::-webkit-details-marker { display: none; }
.page-products .tools-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 19px;
  color: var(--orange);
  transition: transform var(--dur) var(--ease);
}
.page-products .tools-faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.page-products .tools-faq__item summary:hover { color: var(--orange); }
.page-products .tools-faq__item p {
  margin: 0 0 20px;
  padding-right: 30px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-300);
}

/* ---------- 结尾行动 ---------- */
.page-products .tools-cta { padding: clamp(44px, 6vw, 76px) 0; }
.page-products .tools-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}
.page-products .tools-cta__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 34px);
  line-height: 1.25;
  color: var(--paper);
}
.page-products .tools-cta__lead {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--prod-ink-soft);
}
.page-products .tools-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-products .tool-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 46px;
  }
  .page-products .tools-devices__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .device-item:nth-child(even) { transform: translateY(14px); }
  .page-products .device-item:nth-child(even):hover { transform: translateY(10px); }
  .page-products .download-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .tools-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
  }
  .page-products .tools-cta__actions { justify-content: flex-end; }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 58px;
    padding-top: 46px;
  }
  .page-products .tools-hero__panel { margin-top: 8px; }

  .page-products .tools-path__tree {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
  }
  .page-products .tools-path__node {
    padding-left: 0;
    padding-top: 68px;
    padding-bottom: 0;
  }
  .page-products .tools-path__node::before {
    left: 0;
    right: -18px;
    top: 21px;
    bottom: auto;
    width: auto;
    height: 2px;
  }
  .page-products .tools-path__node:last-child { padding-bottom: 0; }
  .page-products .tools-path__node:last-child::before { display: none; }
  .page-products .tools-path__node a { height: 100%; }

  .page-products .tool-group {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 44px;
    align-items: start;
    padding: 36px 0;
  }
  .page-products .tool-group__title { position: sticky; top: 84px; }

  .page-products .tools-devices__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }
  .page-products .tools-devices__list { margin-top: 6px; }

  .page-products .tools-download__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1180px) {
  .page-products .tools-trace__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 56px;
  }
  .page-products .tools-trace__rail {
    padding-left: 26px;
    border-left: 1px solid var(--prod-line);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .tools-path__node a,
  .page-products .device-item,
  .page-products .download-list__item,
  .page-products .tools-hero__panel {
    transition: none;
  }
}
</main>