.page-products {
  --rail-w: 264px;
  --anchor-off: 104px;
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* 首屏框景 */
.page-products .apps-hero {
  padding: clamp(18px, 3vw, 32px) 0 clamp(28px, 5vw, 52px);
}

.page-products .hero-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 5vw, 52px);
  background:
    linear-gradient(148deg, rgba(11, 59, 60, 0.72) 0%, rgba(10, 26, 47, 0.35) 56%, rgba(87, 32, 58, 0.42) 100%),
    radial-gradient(circle at 88% 8%, rgba(255, 90, 40, 0.22), transparent 58%);
}

.page-products .hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 24px);
  opacity: 0.8;
  pointer-events: none;
}

.page-products .hero-frame::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px dashed var(--line-strong);
  opacity: 0.55;
  pointer-events: none;
}

.page-products .hero-frame h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 12px 0 18px;
  max-width: 18ch;
}

.page-products .hero-frame .lead {
  color: var(--silver);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  max-width: 56ch;
  margin: 0 0 26px;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-products .hero-facts {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line);
}

.page-products .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-products .hero-facts strong {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--navy);
  background: var(--green);
  padding: 3px 9px;
  border-radius: 6px;
  white-space: nowrap;
  flex: none;
}

.page-products .hero-facts span {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--mist);
}

/* 主栅格 */
.page-products .apps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-products .apps-body {
  min-width: 0;
}

.page-products .tool-section {
  padding: clamp(30px, 5vw, 54px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: var(--anchor-off);
}

.page-products .tool-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .sec-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 10px 0 12px;
}

.page-products .sec-lead {
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.78;
  max-width: 48ch;
  margin: 0 0 26px;
}

/* 路径索引栏 */
.page-products .path-rail {
  display: none;
}

.page-products .rail-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .rail-tree {
  list-style: none;
  margin: 0;
  padding: 0 0 0 14px;
  border-left: 1px solid var(--line-strong);
}

.page-products .rail-tree a {
  position: relative;
  display: block;
  padding: 9px 12px 9px 20px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--silver);
  text-decoration: none;
  border-radius: 0 12px 12px 0;
  transition: color 0.18s var(--spring), background 0.18s var(--spring);
}

.page-products .rail-tree a::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--navy);
  border: 1px solid var(--line-strong);
  transition: background 0.18s, border-color 0.18s;
}

.page-products .rail-tree a:hover,
.page-products .rail-tree a:focus-visible {
  color: var(--white);
  background: rgba(169, 183, 198, 0.08);
}

.page-products .rail-tree a:hover::before,
.page-products .rail-tree a:focus-visible::before,
.page-products .rail-tree a.is-active::before {
  background: var(--green);
  border-color: var(--green);
}

.page-products .rail-tree a.is-active {
  color: var(--white);
  background: rgba(61, 242, 164, 0.1);
}

.page-products .rail-foot {
  margin-top: 24px;
  padding: 16px;
  border-radius: var(--r-md);
  background: rgba(87, 32, 58, 0.5);
  border: 1px solid rgba(169, 183, 198, 0.18);
}

.page-products .rail-foot-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
  margin: 0 0 12px;
}

/* 图片框 */
.page-products .figure {
  position: relative;
  margin: 0 0 26px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--navy-deep);
}

.page-products .figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.92) brightness(0.9);
}

.page-products .figure-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 18px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--white);
  background: linear-gradient(to top, rgba(7, 19, 34, 0.92), rgba(7, 19, 34, 0));
}

/* 能力列表 */
.page-products .cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: cap;
}

.page-products .cap-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
  border-radius: var(--r-md);
  background: var(--graphite);
  border: 1px solid transparent;
  transition: transform 0.2s var(--spring), border-color 0.2s var(--spring);
}

.page-products .cap-item:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-products .cap-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(11, 59, 60, 0.85);
  color: var(--green);
}

.page-products .cap-item:nth-child(2n) .cap-icon {
  background: rgba(87, 32, 58, 0.8);
  color: var(--orange);
}

.page-products .cap-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17.5px;
  line-height: 1.3;
  color: var(--white);
  margin: 0 0 8px;
}

.page-products .cap-desc {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-products .cap-desc a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .cap-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  color: var(--mist);
}

/* 价格区 */
.page-products .price-block {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--wine);
  padding: clamp(20px, 4vw, 38px);
}

.page-products .price-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  z-index: -1;
  pointer-events: none;
}

.page-products .price-group-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 14px;
}

.page-products .price-group-title--gap {
  margin-top: 30px;
}

.page-products .price-table {
  display: grid;
  gap: 10px;
}

.page-products .price-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 16px;
  padding: 15px 16px;
  border-radius: var(--r-sm);
  background: rgba(10, 26, 47, 0.6);
  border: 1px solid rgba(244, 247, 250, 0.12);
  transition: transform 0.2s var(--spring), background 0.2s var(--spring), border-color 0.2s var(--spring);
}

.page-products .price-row:hover {
  transform: translateY(-2px);
  background: rgba(10, 26, 47, 0.82);
  border-color: rgba(61, 242, 164, 0.5);
}

.page-products .price-main {
  min-width: 0;
}

.page-products .price-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  color: var(--white);
  margin: 0 0 5px;
}

.page-products .price-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(244, 247, 250, 0.62);
  margin: 0 0 6px;
}

.page-products .price-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--silver);
  margin: 0;
}

.page-products .price-amount {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.2;
  color: var(--navy);
  background: var(--green);
  padding: 7px 12px;
  border-radius: 8px;
  white-space: nowrap;
  justify-self: end;
}

.page-products .price-note {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 247, 250, 0.82);
}

.page-products .price-note a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 桌面端 */
.page-products .desk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products .desk-visual {
  overflow: hidden;
  border-radius: var(--r-lg);
  padding: clamp(14px, 3vw, 26px);
  background: linear-gradient(142deg, rgba(11, 59, 60, 0.9), rgba(7, 19, 34, 0.65));
  border: 1px solid var(--line);
}

.page-products .desk-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  transform: rotate(-8deg) scale(1.06);
  box-shadow: 0 20px 42px rgba(7, 19, 34, 0.55);
}

.page-products .desk-facts {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-products .desk-facts li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-products .desk-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--green);
}

.page-products .desk-note {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
  margin: 0 0 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

/* 路径索引列表 */
.page-products .path-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: 4px;
}

.page-products .path-list li {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0 14px 14px;
  border-bottom: 1px dashed var(--line);
}

.page-products .path-list li:last-child {
  border-bottom: 0;
}

.page-products .path-list li::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--navy);
  border: 1px solid var(--green);
}

.page-products .path-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 3px;
}

.page-products .path-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.35;
  color: var(--white);
  margin: 0 0 5px;
}

.page-products .path-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--silver);
  margin: 0;
}

/* 场景卡片 */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border-radius: var(--r-md);
  background: var(--graphite);
  border: 1px solid var(--line);
  transition: transform 0.2s var(--spring), border-color 0.2s var(--spring);
}

.page-products .scene-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-products .scene-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .scene-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16.5px;
  line-height: 1.3;
  color: var(--white);
  margin: 8px 0 9px;
}

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

.page-products .scene-fit {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--green);
  padding-top: 11px;
  border-top: 1px dashed var(--line);
}

/* 步骤 */
.page-products .steps {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
}

.page-products .step {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .step:first-child {
  padding-top: 0;
}

.page-products .step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .step-num {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--silver);
  color: var(--navy);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
}

.page-products .step-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.35;
  color: var(--white);
  margin: 4px 0 7px;
}

.page-products .step-text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
  margin: 0;
}

.page-products .start-note {
  padding: 22px;
  border-radius: var(--r-md);
  background: rgba(11, 59, 60, 0.55);
  border: 1px solid var(--line);
}

.page-products .start-note p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

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

/* 移动优先的窄屏收尾 */
@media (max-width: 520px) {
  .page-products .price-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .price-amount {
    justify-self: start;
  }

  .page-products .cap-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .page-products .path-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-products .hero-facts li {
    flex-wrap: wrap;
  }
}

@media (min-width: 640px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .hero-facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (min-width: 760px) {
  .page-products .desk-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-products .apps-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
  }

  .page-products .path-rail {
    display: block;
    position: sticky;
    top: var(--anchor-off);
    align-self: start;
  }

  .page-products .sec-lead {
    font-size: 16px;
  }
}

@media (min-width: 1180px) {
  .page-products {
    --rail-w: 286px;
  }

  .page-products .cap-list {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cap-item,
  .page-products .price-row,
  .page-products .scene-card,
  .page-products .rail-tree a {
    transition: none;
  }

  .page-products .cap-item:hover,
  .page-products .price-row:hover,
  .page-products .scene-card:hover {
    transform: none;
  }

  .page-products .desk-visual img {
    transform: none;
  }
}
<<<END>>>
