.page-products {
  --page-accent-blue: var(--electric-blue);
  --page-accent-purple: var(--ultraviolet);
  --page-accent-orange: var(--energy-orange);
  --page-accent-green: var(--signal-green);
}

.page-products section[id] {
  scroll-margin-top: calc(var(--header-height) + var(--nav-height) + 24px);
}

/* ========== Hero ========== */
.page-products .services-hero {
  position: relative;
  overflow: hidden;
  padding: 32px 24px 36px;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(720px 240px at 85% 10%, rgba(139, 92, 246, 0.16), transparent 70%),
    radial-gradient(560px 220px at 12% 20%, rgba(0, 209, 255, 0.08), transparent 70%),
    linear-gradient(135deg, rgba(28, 36, 71, 0.55), rgba(13, 17, 38, 0.92));
}

.page-products .services-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--electric-blue) 0%, var(--ultraviolet) 55%, var(--energy-orange) 100%);
  border-radius: var(--radius-pill);
  opacity: 0.85;
}

.page-products .services-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--electric-blue);
  margin-bottom: 12px;
}

.page-products .services-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 12px;
}

.page-products .services-hero__lead {
  max-width: 960px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
}

.page-products .services-hero__keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

/* ========== 整体双栏 ========== */
.page-products .content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 32px;
  align-items: start;
}

@media (min-width: 1024px) {
  .page-products .content-layout {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 48px;
    margin-top: 40px;
  }

  .page-products .content-layout__index {
    position: sticky;
    top: calc(var(--header-height) + var(--nav-height) + 24px);
    z-index: 8;
  }
}

/* ========== 左侧索引 ========== */
.page-products .index-panel {
  padding: 22px 18px;
  background: linear-gradient(160deg, rgba(28, 36, 71, 0.5), rgba(13, 17, 38, 0.92));
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-lg);
}

.page-products .index-panel__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin: 0 0 14px;
}

.page-products .index-panel__nav {
  display: grid;
  gap: 4px;
}

.page-products .index-panel__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.4;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .index-panel__link span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--electric-blue);
  min-width: 22px;
}

.page-products .index-panel__link:hover {
  background: rgba(0, 209, 255, 0.07);
  color: var(--text-primary);
  transform: translateX(2px);
}

.page-products .index-panel__note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-faint);
}

.page-products .index-panel__note p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin: 0 0 4px;
}

.page-products .index-panel__note span {
  font-size: 0.82rem;
  color: var(--text-primary);
}

/* ========== 服务总览 ========== */
.page-products .service-overview {
  margin-bottom: 8px;
}

.page-products .section-head {
  margin-bottom: 20px;
}

.page-products .section-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--electric-blue);
  margin: 0 0 8px;
}

.page-products .section-title {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 900;
  color: var(--text-primary);
  margin: 0;
}

.page-products .section-desc {
  margin: 10px 0 0;
  max-width: 760px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.98rem;
}

.page-products .overview-visual {
  margin: 24px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-faint);
  background: var(--void-navy);
}

.page-products .overview-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.page-products .overview-card {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 20px;
  background: linear-gradient(145deg, rgba(28, 36, 71, 0.5), rgba(21, 27, 54, 0.85));
  border: 1px solid var(--line-faint);
  border-top: 3px solid var(--card-accent, var(--electric-blue));
  border-radius: var(--radius-lg);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .overview-card:nth-child(1) {
  --card-accent: var(--electric-blue);
}

.page-products .overview-card:nth-child(2) {
  --card-accent: var(--ultraviolet);
}

.page-products .overview-card:nth-child(3) {
  --card-accent: var(--energy-orange);
}

.page-products .overview-card:nth-child(4) {
  --card-accent: var(--signal-green);
}

.page-products .overview-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(0, 209, 255, 0.08);
}

.page-products .overview-card__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.page-products .overview-card__body h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 6px;
}

.page-products .overview-card__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-products .overview-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (min-width: 768px) {
  .page-products .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .overview-card--wide {
    grid-column: 1 / -1;
  }
}

/* ========== 斜切分割线 ========== */
.page-products .cut-divider {
  position: relative;
  height: 48px;
  margin: 36px 0;
  overflow: hidden;
}

.page-products .cut-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 209, 255, 0.55) 30%, rgba(139, 92, 246, 0.45) 70%, transparent);
}

.page-products .cut-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: linear-gradient(135deg, var(--electric-blue), var(--ultraviolet));
  border-radius: 2px;
  opacity: 0.7;
}

/* ========== 服务模块通用 ========== */
.page-products .service-module {
  position: relative;
  padding: 30px 0 8px;
}

@media (min-width: 768px) {
  .page-products .service-module {
    padding: 48px 0 12px;
  }
}

.page-products .service-module::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 36px 36px;
}

.page-products .module-01 {
  --module-accent: var(--electric-blue);
}

.page-products .module-02 {
  --module-accent: var(--ultraviolet);
}

.page-products .module-03 {
  --module-accent: var(--energy-orange);
}

.page-products .module-04 {
  --module-accent: var(--signal-green);
}

.page-products .module-updates {
  --module-accent: var(--electric-blue);
}

.page-products .module-head {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

@media (min-width: 640px) {
  .page-products .module-head {
    flex-direction: row;
    align-items: center;
    gap: 18px;
  }
}

.page-products .module-head::after {
  content: "";
  display: block;
  height: 2px;
  width: 100%;
  margin-top: 6px;
  background: linear-gradient(90deg, var(--module-accent), transparent 70%);
  border-radius: var(--radius-pill);
  opacity: 0.55;
}

.page-products .module-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  height: 58px;
  padding: 0 12px;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  background: linear-gradient(120deg, var(--void-navy), var(--panel-slate));
  flex-shrink: 0;
}

.page-products .module-01 .module-index {
  color: var(--electric-blue);
  border-color: rgba(0, 209, 255, 0.35);
}

.page-products .module-02 .module-index {
  color: var(--ultraviolet);
  border-color: rgba(139, 92, 246, 0.35);
}

.page-products .module-03 .module-index {
  color: var(--energy-orange);
  border-color: rgba(255, 138, 0, 0.35);
}

.page-products .module-04 .module-index {
  color: var(--signal-green);
  border-color: rgba(0, 229, 160, 0.35);
}

.page-products .module-updates .module-index {
  color: var(--electric-blue);
  border-color: rgba(0, 209, 255, 0.35);
}

.page-products .module-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--module-accent);
  margin: 0 0 6px;
}

.page-products .module-title {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0;
}

.page-products .module-lead {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 920px;
}

/* ========== 模块双列内容 ========== */
.page-products .module-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 24px;
  align-items: center;
}

@media (min-width: 1024px) {
  .page-products .module-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
  }
}

.page-products .module-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-faint);
  background: var(--void-navy);
}

.page-products .module-media img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 768px) {
  .page-products .module-media img {
    height: auto;
  }
}

/* ========== 规格列表 ========== */
.page-products .spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .spec-list li {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .spec-list li:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.page-products .spec-list strong {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--module-accent, var(--text-primary));
}

.page-products .spec-list span {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ========== 展开折叠 ========== */
.page-products .expand-item {
  margin-top: 16px;
  background: rgba(21, 27, 54, 0.6);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
}

.page-products .expand-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  user-select: none;
}

.page-products .expand-item summary::-webkit-details-marker {
  display: none;
}

.page-products .expand-item summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line-faint);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--module-accent, var(--electric-blue));
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
  flex-shrink: 0;
}

.page-products .expand-item[open] summary::before {
  content: "−";
  background: rgba(0, 209, 255, 0.12);
  transform: rotate(180deg);
}

.page-products .expand-item__body {
  padding: 0 16px 16px 48px;
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ========== 提示条 ========== */
.page-products .prompt-bar {
  margin-top: 16px;
  padding: 14px 16px;
  background: linear-gradient(120deg, rgba(0, 209, 255, 0.08), rgba(139, 92, 246, 0.04));
  border-left: 3px solid var(--electric-blue);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-products .prompt-bar a {
  color: var(--electric-blue);
  text-decoration: none;
}

.page-products .prompt-bar a:hover {
  text-decoration: underline;
}

/* ========== 模块标签行 ========== */
.page-products .module-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

/* ========== 桌面端功能地图 ========== */
.page-products .scope-map {
  margin-top: 28px;
  padding: 8px;
  background: linear-gradient(145deg, rgba(28, 36, 71, 0.4), rgba(13, 17, 38, 0.8));
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-lg);
}

.page-products .scope-map__frame {
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(13, 17, 38, 0.7);
}

.page-products .scope-map__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-faint);
  background: rgba(21, 27, 54, 0.7);
}

.page-products .scope-map__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-products .scope-map__dot--blue {
  background: var(--electric-blue);
}

.page-products .scope-map__dot--purple {
  background: var(--ultraviolet);
}

.page-products .scope-map__dot--orange {
  background: var(--energy-orange);
}

.page-products .scope-map__title {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.page-products .scope-map__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 16px;
}

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

@media (min-width: 1024px) {
  .page-products .scope-map__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products .scope-map__node {
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .scope-map__node:hover {
  background: rgba(0, 209, 255, 0.08);
  border-color: rgba(0, 209, 255, 0.4);
  transform: translateY(-2px);
}

.page-products .scope-map__node strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.page-products .scope-map__node small {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.page-products .scope-map__node--vendor:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.45);
}

.page-products .scope-map__node--index:hover {
  background: rgba(255, 138, 0, 0.08);
  border-color: rgba(255, 138, 0, 0.45);
}

.page-products .scope-map__node--sync:hover {
  background: rgba(0, 229, 160, 0.08);
  border-color: rgba(0, 229, 160, 0.45);
}

.page-products .scope-map__node--help:hover {
  background: rgba(0, 209, 255, 0.08);
  border-color: rgba(0, 209, 255, 0.45);
}

/* ========== 更新与帮助 ========== */
.page-products .updates-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 24px;
}

@media (min-width: 768px) {
  .page-products .updates-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .update-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 18px;
  background: linear-gradient(145deg, rgba(28, 36, 71, 0.45), rgba(21, 27, 54, 0.8));
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .update-item:hover {
  background: rgba(28, 36, 71, 0.7);
  border-color: rgba(255, 255, 255, 0.2);
}

.page-products .update-item__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--electric-blue);
  font-weight: 600;
}

.page-products .update-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text-primary);
}

.page-products .update-item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-products .help-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.page-products .help-card {
  flex: 1 1 160px;
  padding: 18px;
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .help-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 209, 255, 0.3);
}

.page-products .help-card__stat {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--electric-blue);
}

.page-products .help-card p {
  margin: 6px 0 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.page-products .help-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

@keyframes pageProductsDrift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 36px 36px;
  }
}

.page-products .module-01::before {
  animation: pageProductsDrift 24s linear infinite;
}