.page-products {
  background: var(--color-off-white);
  color: var(--color-charcoal);
}
.page-products .page-products__inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: var(--content-padding);
}

/* ===== 首屏 ===== */
.page-products .app-hero {
  display: grid;
  gap: 28px;
  background: var(--color-deep-blue);
  color: var(--color-off-white);
  border-radius: 24px;
  padding: clamp(28px, 5vw, 64px);
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}
.page-products .app-hero__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
.page-products .app-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(40px, 9vw, 72px);
  font-weight: 300;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--color-off-white);
}
.page-products .app-hero__subtitle {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--color-gold);
  text-transform: uppercase;
}
.page-products .app-hero__lead {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  max-width: 580px;
  color: rgba(245, 242, 235, 0.88);
  margin: 0;
}
.page-products .app-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(201, 169, 97, 0.3);
  width: 100%;
}
.page-products .app-hero__stats-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-products .app-hero__stats-num {
  font-size: 36px;
  line-height: 1;
  color: var(--color-gold);
}
.page-products .app-hero__stats-label {
  font-size: 13px;
  color: rgba(245, 242, 235, 0.7);
}
.page-products .app-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.page-products .app-hero__side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 2px solid rgba(201, 169, 97, 0.4);
  padding-left: 16px;
}
.page-products .app-hero__side-label {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--color-gold);
}
.page-products .app-hero__side-note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 242, 235, 0.72);
  margin: 0;
}

/* ===== 章节标题 ===== */
.page-products .section-kicker {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding-top: 24px;
  margin: 56px 0 28px;
  border-top: 2px solid var(--color-deep-blue);
}
.page-products .section-kicker__num {
  min-width: 44px;
  font-size: 14px;
  color: var(--color-terracotta);
  line-height: 1.4;
}
.page-products .section-kicker__title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  color: var(--color-deep-blue);
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}
.page-products .section-kicker__desc {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-charcoal);
  opacity: 0.8;
  max-width: 680px;
  margin: 0;
}
.page-products .section-kicker--light {
  border-top-color: rgba(201, 169, 97, 0.55);
}
.page-products .section-kicker--light .section-kicker__title {
  color: var(--color-off-white);
}
.page-products .section-kicker--light .section-kicker__desc {
  color: rgba(245, 242, 235, 0.8);
  opacity: 1;
}

/* ===== 功能概览 ===== */
.page-products .feature-grid {
  display: grid;
  gap: 16px;
}
.page-products .feature-feature,
.page-products .feature-card {
  background: #fff;
  border: 1px solid var(--color-light-gray);
  border-radius: 18px;
  padding: 24px;
}
.page-products .feature-feature {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: linear-gradient(180deg, rgba(29, 62, 94, 0.06), rgba(245, 242, 235, 0.55));
}
.page-products .feature-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
}
.page-products .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(29, 62, 94, 0.08);
  border-color: rgba(201, 169, 97, 0.5);
}
.page-products .feature-card__icon,
.page-products .feature-feature__icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(29, 62, 94, 0.08);
  color: var(--color-deep-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.page-products .feature-card__icon svg,
.page-products .feature-feature__icon svg {
  width: 24px;
  height: 24px;
}
.page-products .feature-feature h3,
.page-products .feature-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-deep-blue);
  margin: 0 0 6px;
}
.page-products .feature-feature p,
.page-products .feature-card p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-charcoal);
  margin: 0;
}
.page-products .feature-feature__points {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-products .feature-feature__points li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-charcoal);
}
.page-products .feature-feature__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 12px;
  height: 2px;
  background: var(--color-terracotta);
}
.page-products .feature-feature__phone {
  margin-inline: auto;
  max-width: 220px;
}
.page-products .feature-feature__phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  border: 6px solid #fff;
  box-shadow: 0 20px 28px rgba(29, 62, 94, 0.2);
}

/* ===== 服务清单 ===== */
.page-products .service-catalog {
  margin-top: 64px;
  background: var(--color-deep-blue);
  border-radius: 24px;
  padding: clamp(24px, 5vw, 64px);
  color: var(--color-off-white);
}
.page-products .service-catalog__layout {
  display: grid;
  gap: 32px;
}
.page-products .service-catalog__figure {
  margin: 0;
}
.page-products .service-catalog__figure img {
  width: 100%;
  height: auto;
  border-radius: 16px;
}
.page-products .service-catalog__figure-caption {
  font-family: var(--font-ui);
  font-size: 13px;
  color: rgba(245, 242, 235, 0.6);
  margin-top: 10px;
  text-align: center;
}
.page-products .service-groups {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-products .service-group {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: border-color 300ms ease, background-color 300ms ease;
}
.page-products .service-group[open] {
  border-color: rgba(201, 169, 97, 0.5);
  background: rgba(255, 255, 255, 0.08);
}
.page-products .service-group__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 400;
  color: var(--color-off-white);
}
.page-products .service-group__head::-webkit-details-marker {
  display: none;
}
.page-products .service-group__head::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  transform: rotate(45deg);
  transition: transform 300ms ease;
  flex-shrink: 0;
}
.page-products .service-group[open] > .service-group__head::after {
  transform: rotate(225deg);
}
.page-products .service-group__icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-off-white);
  flex-shrink: 0;
}
.page-products .service-group__icon svg {
  width: 20px;
  height: 20px;
}
.page-products .service-group__count {
  margin-left: auto;
  color: var(--color-gold);
  font-size: 14px;
}
.page-products .service-group__list {
  list-style: none;
  margin: 0;
  padding: 0 20px 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 20px;
}
.page-products .service-group__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-block: 9px;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(245, 242, 235, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.page-products .service-group__item .text-mono {
  font-size: 12px;
  color: var(--color-gold);
  min-width: 24px;
}

/* ===== 适用场景 ===== */
.page-products .scenario-grid {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}
.page-products .scenario-card {
  background: #fff;
  border: 1px solid var(--color-light-gray);
  border-radius: 18px;
  padding: 24px;
  transition: transform 300ms ease, box-shadow 300ms ease;
}
.page-products .scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(29, 62, 94, 0.06);
}
.page-products .scenario-card__num {
  display: block;
  font-size: 26px;
  color: var(--color-terracotta);
  margin-bottom: 14px;
}
.page-products .scenario-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-deep-blue);
  margin: 0 0 8px;
}
.page-products .scenario-card p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin: 0;
}
.page-products .scenario-figure {
  margin: 24px 0 0;
}
.page-products .scenario-figure img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  display: block;
}
.page-products .scenario-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--color-charcoal);
  opacity: 0.65;
}
.page-products .scenario-more {
  margin-top: 24px;
  padding: 16px 20px;
  background: rgba(201, 169, 97, 0.14);
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-charcoal);
}
.page-products .scenario-more p {
  margin: 0;
}

/* ===== 技术特性 ===== */
.page-products .tech-section {
  margin-top: 64px;
  background: var(--color-rock-gray);
  border-radius: 24px;
  padding: clamp(24px, 5vw, 64px);
}
.page-products .tech-section .section-kicker {
  border-top-color: var(--color-charcoal);
}
.page-products .tech-grid {
  display: grid;
  gap: 20px;
}
.page-products .tech-card {
  background: rgba(255, 255, 255, 0.85);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-products .tech-card h3 {
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 400;
  color: var(--color-deep-blue);
  margin: 0;
}
.page-products .tech-card p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin: 0;
}
.page-products .tech-card img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  display: block;
}
.page-products .tech-spec {
  display: grid;
  gap: 12px;
  margin: 12px 0 0;
}
.page-products .tech-spec__row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(29, 62, 94, 0.1);
}
.page-products .tech-spec dt {
  font-size: 13px;
  color: var(--color-charcoal);
  opacity: 0.65;
}
.page-products .tech-spec dd {
  font-size: 14px;
  font-family: var(--font-ui);
  color: var(--color-deep-blue);
  margin: 0;
}
.page-products .tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.page-products .tech-badges__item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(29, 62, 94, 0.06);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--color-charcoal);
}
.page-products .tech-badges__item .text-mono {
  font-size: 14px;
  color: var(--color-terracotta);
}
.page-products .tech-cta {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  padding-top: 24px;
  border-top: 1px solid rgba(29, 62, 94, 0.15);
}
.page-products .tech-cta p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin: 0;
  max-width: 640px;
}
.page-products .tech-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 响应式断点 ===== */
@media (min-width: 640px) {
  .page-products .service-group__list {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .app-hero__actions {
    gap: 16px;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .page-products .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .feature-feature--mobile {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-products .app-hero {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: end;
  }

  .page-products .feature-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .page-products .feature-feature--mobile {
    grid-column: 1 / 6;
    grid-row: span 2;
  }
  .page-products .feature-grid > article:nth-of-type(2) {
    grid-column: 6 / 10;
  }
  .page-products .feature-grid > article:nth-of-type(3) {
    grid-column: 10 / 13;
  }
  .page-products .feature-grid > article:nth-of-type(4) {
    grid-column: 6 / 8;
  }
  .page-products .feature-grid > article:nth-of-type(5) {
    grid-column: 8 / 11;
  }
  .page-products .feature-grid > article:nth-of-type(6) {
    grid-column: 11 / 13;
  }

  .page-products .service-catalog__layout {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }
  .page-products .service-catalog__figure {
    position: sticky;
    top: 24px;
  }

  .page-products .scenario-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .tech-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .page-products .tech-card--adapt {
    grid-column: 1 / 8;
  }
  .page-products .tech-card--lock {
    grid-column: 8 / 13;
  }
  .page-products .tech-card--browser {
    grid-column: 1 / 13;
    flex-direction: row;
    align-items: center;
  }
  .page-products .tech-card--browser > .tech-card__text {
    flex: 1 1 55%;
  }
  .page-products .tech-card--browser > img {
    flex: 1 1 45%;
  }
}