/* ===== 服务项目页专属样式 ===== */
.page-products {
  --card-diagonal-bg: linear-gradient(135deg, rgba(230,57,70,0.12) 0%, rgba(244,162,97,0.08) 100%);
  --card-border-glow: linear-gradient(135deg, #E63946, #F4A261);
  --card-shadow: 0 12px 40px rgba(0,0,0,0.5);
  --card-radius: 1.25rem;
  --num-size: clamp(4rem, 12vw, 8rem);
  color: var(--color-text-primary);
  background: var(--color-bg-dark);
}

/* ---------- 英雄区 ---------- */
.products-hero {
  position: relative;
  padding: 2rem 1.25rem 3rem;
  overflow: hidden;
}
.products-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}
.products-breadcrumb__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.products-breadcrumb__link:hover {
  color: var(--color-primary-orange);
}
.products-breadcrumb__sep {
  color: var(--color-accent-silver);
  opacity: 0.5;
}
.products-breadcrumb__current {
  color: var(--color-primary-orange);
  font-weight: 600;
}
.products-hero__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  letter-spacing: var(--letter-spacing-heading);
  line-height: 1.1;
  margin: 0 0 1rem;
  background: var(--gradient-highlight);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}
.products-hero__desc {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0;
  position: relative;
  z-index: 1;
}
.products-hero__deco {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50%;
  height: 140%;
  background: repeating-linear-gradient(
    55deg,
    rgba(230,57,70,0.06) 0px,
    rgba(230,57,70,0.06) 2px,
    transparent 2px,
    transparent 12px
  );
  transform: skewX(-8deg);
  pointer-events: none;
  z-index: 0;
}

/* ---------- 核心功能 ---------- */
.products-features {
  padding: 2.5rem 1.25rem;
}
.products-features__header {
  margin-bottom: 2.5rem;
}
.products-features__heading {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: var(--letter-spacing-heading);
  margin: 0 0 0.5rem;
  position: relative;
  display: inline-block;
}
.products-features__heading::after {
  content: '';
  display: block;
  width: 60%;
  height: 4px;
  background: var(--gradient-highlight);
  border-radius: 4px;
  margin-top: 0.4rem;
}
.products-features__sub {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin: 0.5rem 0 0;
}
.products-features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

/* 功能卡片 */
.feature-card {
  position: relative;
  border-radius: var(--card-radius);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.25,0.46,0.45,0.94), box-shadow 0.35s ease;
  cursor: default;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--card-border-glow);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.35;
  transition: opacity 0.3s;
  pointer-events: none;
}
.feature-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--card-shadow);
}
.feature-card:hover::before {
  opacity: 0.7;
}
.feature-card__bg-num {
  position: absolute;
  top: -0.2em;
  right: -0.1em;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--num-size);
  line-height: 1;
  color: rgba(230,57,70,0.08);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.feature-card__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feature-card__image-wrap {
  width: 100%;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--color-bg-dark);
}
.feature-card__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.feature-card:hover .feature-card__img {
  transform: scale(1.04);
}
.feature-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
  position: relative;
  z-index: 1;
}
.feature-card__icon {
  color: var(--color-primary-orange);
  margin-bottom: 0.5rem;
  display: block;
  width: 48px;
  height: 48px;
}
.feature-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  margin: 0 0 0.5rem;
  color: var(--color-text-primary);
}
.feature-card__desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 0.75rem;
}
.feature-card__detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-accent-silver);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 0;
}
.feature-card__detail p {
  margin: 0;
}
.feature-card:hover .feature-card__detail,
.feature-card:focus-within .feature-card__detail {
  max-height: 200px;
  opacity: 1;
  padding-top: 0.75rem;
}

/* ---------- 使用场景 ---------- */
.products-scenarios {
  padding: 2.5rem 1.25rem;
  background: rgba(230,57,70,0.03);
  position: relative;
}
.products-scenarios::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-highlight);
  opacity: 0.4;
}
.products-scenarios__header {
  margin-bottom: 2.5rem;
}
.products-scenarios__heading {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: var(--letter-spacing-heading);
  margin: 0 0 0.5rem;
  position: relative;
  display: inline-block;
}
.products-scenarios__heading::after {
  content: '';
  display: block;
  width: 60%;
  height: 4px;
  background: var(--gradient-highlight);
  border-radius: 4px;
  margin-top: 0.4rem;
}
.products-scenarios__sub {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin: 0.5rem 0 0;
}
.products-scenarios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* 场景卡片 */
.scenario-card {
  background: rgba(255,255,255,0.03);
  border-radius: 1rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform 0.3s ease, background 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.scenario-card:hover {
  transform: translateY(-4px);
  background: rgba(230,57,70,0.06);
}
.scenario-card__icon {
  color: var(--color-primary-orange);
  margin-bottom: 1rem;
  width: 48px;
  height: 48px;
}
.scenario-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  margin: 0 0 0.6rem;
  color: var(--color-text-primary);
}
.scenario-card__desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 1.25rem;
  flex: 1;
}
.scenario-card__link {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 平台兼容 ---------- */
.products-compat {
  padding: 2.5rem 1.25rem;
}
.products-compat__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.products-compat__content {
  order: 2;
}
.products-compat__heading {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: var(--letter-spacing-heading);
  margin: 0 0 0.5rem;
  position: relative;
  display: inline-block;
}
.products-compat__heading::after {
  content: '';
  display: block;
  width: 60%;
  height: 4px;
  background: var(--gradient-highlight);
  border-radius: 4px;
  margin-top: 0.4rem;
}
.products-compat__sub {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin: 0.5rem 0 1.25rem;
}
.products-compat__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.products-compat__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}
.products-compat__item strong {
  color: var(--color-text-primary);
  font-weight: 600;
}
.products-compat__dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gradient-highlight);
  margin-top: 0.45em;
}
.products-compat__btn {
  align-self: flex-start;
}
.products-compat__media {
  order: 1;
  border-radius: 1rem;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.products-compat__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 按钮变体覆盖 ---------- */
.btn--outline {
  background: transparent;
  border: 2px solid var(--color-primary-orange);
  color: var(--color-primary-orange);
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.2s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}
.btn--outline:hover {
  background: var(--color-primary-orange);
  color: var(--color-bg-dark);
  transform: scale(1.03);
}
.btn--primary {
  background: var(--gradient-highlight);
  border: none;
  color: var(--color-text-primary);
  padding: 0.6rem 1.5rem;
  border-radius: 2rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}
.btn--primary:hover {
  transform: scale(1.04);
  box-shadow: 0 6px 20px rgba(230,57,70,0.35);
}

/* ---------- 滚动显现 ---------- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 桌面端 768px+ ---------- */
@media (min-width: 768px) {
  .products-hero {
    padding: 3rem 2.5rem 4.5rem;
  }
  .products-hero__title {
    font-size: clamp(3rem, 6vw, 4.8rem);
  }
  .products-hero__deco {
    width: 40%;
    top: -30%;
    right: -5%;
  }

  .products-features,
  .products-scenarios,
  .products-compat {
    padding: 3.5rem 2.5rem;
  }

  .products-features__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .feature-card__inner {
    flex-direction: row;
    align-items: stretch;
  }
  .feature-card__image-wrap {
    width: 45%;
    aspect-ratio: auto;
    min-height: 220px;
    flex-shrink: 0;
  }
  .feature-card__body {
    width: 55%;
    padding: 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }
  .feature-card__bg-num {
    font-size: clamp(5rem, 10vw, 9rem);
  }

  .products-scenarios__grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
  }

  .products-compat__inner {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .products-compat__content {
    order: 1;
    flex: 1 1 50%;
  }
  .products-compat__media {
    order: 2;
    flex: 1 1 45%;
  }
}

/* ---------- 桌面端 1024px+ ---------- */
@media (min-width: 1024px) {
  .products-hero {
    padding: 4rem 3.5rem 5rem;
  }
  .products-features,
  .products-scenarios,
  .products-compat {
    padding: 4.5rem 3.5rem;
  }
  .products-features__grid {
    gap: 2.5rem;
  }
  .feature-card__body {
    padding: 2rem 2.25rem;
  }
  .feature-card__title {
    font-size: 1.5rem;
  }
  .products-compat__inner {
    gap: 4rem;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
  }
  .feature-card,
  .feature-card__img,
  .feature-card__detail,
  .scenario-card,
  .btn--outline,
  .btn--primary {
    transition: none;
  }
  .feature-card:hover {
    transform: none;
  }
  .feature-card:hover .feature-card__img {
    transform: none;
  }
}