.page-products {
  --tools-rail: 208px;
  --tools-gap: clamp(20px, 3vw, 40px);
  font-family: var(--font-body);
  color: var(--paper);
}

.page-products a {
  color: inherit;
}

.page-products .page-products__crumb {
  padding-top: 22px;
}

.page-products h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products h3 {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  padding: clamp(28px, 4vw, 56px) 0 clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.page-products .tools-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .tools-hero__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-products .tools-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .tools-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 32px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line);
}

.page-products .tools-hero__facts dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .tools-hero__facts dd {
  margin: 5px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--paper);
}

/* ---------- 首屏轨道视觉 ---------- */
.page-products .tools-orbit {
  display: grid;
  gap: 14px;
  justify-items: center;
  padding: 24px 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 72% 18%, rgba(56, 232, 210, 0.11), transparent 62%),
    var(--ink-850);
  box-shadow: var(--shadow-paper);
  text-align: center;
}

.page-products .tools-orbit__cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-products .tools-orbit__stage {
  position: relative;
  width: min(240px, 100%);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}

.page-products .tools-orbit__stage svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .tools-orbit__num {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 32px);
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .tools-orbit__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 主体布局 ---------- */
.page-products .tools-layout {
  display: grid;
  gap: var(--tools-gap);
  padding: clamp(36px, 5vw, 72px) 0 clamp(40px, 6vw, 80px);
  align-items: start;
}

.page-products .tools-main {
  display: grid;
  gap: clamp(48px, 7vw, 88px);
  min-width: 0;
}

.page-products .tools-section {
  scroll-margin-top: 92px;
  min-width: 0;
}

.page-products .tools-section__head {
  max-width: 720px;
}

.page-products .tools-section__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 三条产品线 ---------- */
.page-products .line-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .line-item {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--ink-850);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-products .line-item:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow-paper);
}

.page-products .line-item__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .line-item__body h3 {
  margin: 0;
  font-size: 19px;
}

.page-products .line-item__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .line-item__link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-products .line-item__link:hover,
.page-products .line-item__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

/* ---------- 图片容器 ---------- */
.page-products .media-frame {
  margin: 26px 0 0;
}

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

/* ---------- 双栏 ---------- */
.page-products .split {
  display: grid;
  gap: 22px;
  margin-top: 26px;
  align-items: start;
}

.page-products .split__main {
  min-width: 0;
}

.page-products .split__main > p {
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.88;
  color: var(--mist);
}

.page-products .sub-head {
  margin: 26px 0 0;
  font-size: 18px;
}

/* ---------- 参数卡 ---------- */
.page-products .params {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 20px;
  align-self: start;
}

.page-products .params__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .params dl {
  margin: 0;
}

.page-products .params dl > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .params dl > div:last-child {
  border-bottom: 0;
}

.page-products .params dt {
  font-size: 13px;
  color: var(--mist);
}

.page-products .params dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  text-align: right;
}

.page-products .params__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 功能列表 ---------- */
.page-products .feature-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .feature-list li {
  border-left: 2px solid var(--line);
  padding-left: 14px;
  transition: border-color 0.2s ease;
}

.page-products .feature-list li:hover {
  border-left-color: var(--cyan);
}

.page-products .feature-list h3 {
  margin: 0;
  font-size: 16px;
}

.page-products .feature-list p {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 下载面板 ---------- */
.page-products .dl-panel {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 32px 22px 22px;
  box-shadow: var(--shadow-paper);
  align-self: start;
}

.page-products .dl-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 7px, transparent 7px 14px);
}

.page-products .dl-panel__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .dl-panel__ver {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 46px);
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-products .dl-panel__specs {
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
}

.page-products .dl-panel__specs > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
}

.page-products .dl-panel__specs dt {
  font-size: 13px;
  color: var(--mist);
}

.page-products .dl-panel__specs dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  text-align: right;
}

.page-products .dl-panel__btn {
  display: inline-block;
  margin-top: 18px;
}

.page-products .dl-panel__foot {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 更新条目 ---------- */
.page-products .update-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .update-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .update-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

/* ---------- 案例卡片 ---------- */
.page-products .case-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-products .case-card {
  display: grid;
  gap: 9px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--ink-850);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-products .case-card:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow-paper);
}

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

.page-products .case-card__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .case-card h3 {
  margin: 0;
  font-size: 17px;
}

.page-products .case-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .case-card a {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  justify-self: start;
}

.page-products .case-card a:hover,
.page-products .case-card a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 步骤 ---------- */
.page-products .steps {
  list-style: none;
  counter-reset: step;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-products .steps h3 {
  margin: 0;
  font-size: 17px;
}

.page-products .steps p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .steps__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .steps__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .steps__foot a:hover,
.page-products .steps__foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 右侧索引 ---------- */
.page-products .tools-rail {
  border: 1px solid var(--line);
  background: var(--ink-850);
  padding: 18px;
  align-self: start;
}

.page-products .tools-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .tools-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .tools-rail__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 8px;
  border-left: 2px solid transparent;
  font-size: 13px;
  text-decoration: none;
  color: var(--mist);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-products .tools-rail__list a:hover,
.page-products .tools-rail__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(56, 232, 210, 0.07);
}

.page-products .tools-rail__list span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-products .tools-rail__ver {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-products .tools-rail__ver p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-products .tools-rail__ver strong {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .tools-rail__ver span {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

/* ---------- 底部行动 ---------- */
.page-products .tools-cta {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-850), var(--ink-900));
  padding: clamp(32px, 5vw, 60px) 0;
}

.page-products .tools-cta__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-products .tools-cta__text h2 {
  margin: 0;
  font-size: clamp(21px, 3vw, 28px);
}

.page-products .tools-cta__text p {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .line-item {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    align-items: start;
    gap: 16px;
  }

  .page-products .line-item__idx {
    padding-top: 4px;
  }

  .page-products .line-item .tag {
    justify-self: end;
    margin-top: 2px;
  }

  .page-products .tools-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .split {
    grid-template-columns: minmax(0, 1fr) 262px;
    gap: 32px;
  }

  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: 48px;
  }

  .page-products .tools-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-products .tools-layout {
    grid-template-columns: minmax(0, 1fr) var(--tools-rail);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-products .tools-rail {
    position: sticky;
    top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
    animation: none !important;
  }

  .page-products .line-item:hover,
  .page-products .case-card:hover {
    transform: none;
  }
}
<<<END>>>