/* ===== 页面专属 CSS – page-products ===== */
.page-products {
  --prod-red: var(--color-red);
  --prod-blue: var(--color-blue);
  --prod-gold: var(--color-gold);
  --prod-silver: var(--color-silver);
  --prod-dark: var(--color-dark);
  --prod-light: var(--color-light);
  --prod-text: var(--color-text);
  --prod-green: var(--color-green);
  --prod-shadow: var(--shadow-card);
  --prod-radius: var(--radius-md);
  --prod-transition: var(--transition);
  --prod-font-heading: var(--font-heading);
  --prod-font-body: var(--font-body);
  --prod-font-mono: var(--font-mono);
  --prod-grid-gap: 24px;
  --prod-card-min-w: 280px;
  --prod-timeline-dot-size: 14px;
  --prod-step-num-size: 48px;

  position: relative;
  z-index: 1;
  color: var(--prod-text);
  font-family: var(--prod-font-body);
  line-height: 1.6;
  background-color: var(--prod-light);
}

/* 页面容器 */
.page-products .page-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ===== 面包屑 ===== */
.page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-family: var(--prod-font-mono);
  color: var(--prod-silver);
  margin-bottom: 16px;
  padding-top: 16px;
}
.page-products__breadcrumb a {
  color: var(--prod-blue);
  text-decoration: none;
  transition: color var(--prod-transition);
}
.page-products__breadcrumb a:hover {
  color: var(--prod-red);
}
.page-products__breadcrumb-sep {
  color: var(--prod-silver);
}
.page-products__breadcrumb [aria-current="page"] {
  color: var(--prod-text);
  font-weight: 600;
}

/* ===== 页面头 ===== */
.page-products__hero {
  padding: 40px 0 24px;
  border-bottom: 2px solid var(--prod-silver);
  margin-bottom: 0;
}
.page-products__title {
  font-family: var(--prod-font-heading);
  font-size: 2.4rem;
  letter-spacing: -0.02em;
  color: var(--prod-dark);
  margin: 0 0 8px;
}
.page-products__title::before {
  content: "03";
  font-family: var(--prod-font-mono);
  font-size: 1.2rem;
  color: var(--prod-red);
  display: block;
  margin-bottom: 4px;
}
.page-products__subtitle {
  font-size: 1.1rem;
  color: var(--prod-text);
  max-width: 700px;
  line-height: 1.5;
}
/* ===== 章节标题 ===== */
.page-products__section-title {
  font-family: var(--prod-font-heading);
  font-size: 1.8rem;
  color: var(--prod-blue);
  margin: 0 0 12px;
  position: relative;
}
.page-products__section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--prod-red);
  margin-top: 8px;
}
.page-products__section-desc {
  color: var(--prod-text);
  font-size: 1rem;
  margin-bottom: 24px;
}
/* ===== 应用概览 卡片网格 ===== */
.page-products__overview {
  padding: 40px 0;
}
.page-products__card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(var(--prod-card-min-w), 100%), 1fr));
  gap: var(--prod-grid-gap);
}
.page-products__card {
  background: var(--prod-light);
  border: 1px solid var(--prod-silver);
  border-radius: var(--prod-radius);
  box-shadow: var(--prod-shadow);
  transition: transform var(--prod-transition), box-shadow var(--prod-transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.page-products__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
}
.page-products__card-header {
  background: var(--prod-blue);
  color: #fff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-products__card-tag {
  background: var(--prod-gold);
  color: var(--prod-dark);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--prod-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.page-products__card-title {
  font-family: var(--prod-font-heading);
  font-size: 1.1rem;
  margin: 0;
}
.page-products__card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.page-products__card-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin: 0 auto 16px;
  display: block;
}
.page-products__card-desc {
  font-size: 0.95rem;
  color: var(--prod-text);
  margin-bottom: 16px;
  flex: 1;
}
.page-products__card-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  border-top: 1px solid var(--prod-silver);
  padding-top: 12px;
}
.page-products__card-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.page-products__label {
  font-family: var(--prod-font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--prod-silver);
}
.page-products__value {
  font-family: var(--prod-font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--prod-dark);
}
.page-products__countdown {
  color: var(--prod-green);
}
.page-products__status {
  color: var(--prod-green);
}
/* ===== 时间线 更新日志 ===== */
.page-products__changelog {
  padding: 40px 0;
  background: var(--prod-dark);
  color: var(--prod-light);
}
.page-products__changelog .page-products__section-title {
  color: var(--prod-light);
}
.page-products__changelog .page-products__section-title::after {
  background: var(--prod-gold);
}
.page-products__changelog .page-products__section-desc {
  color: var(--prod-silver);
}
.page-products__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-products__timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--prod-gold);
  opacity: 0.5;
}
.page-products__timeline-item {
  position: relative;
  padding-left: 40px;
  padding-bottom: 28px;
}
.page-products__timeline-item:last-child {
  padding-bottom: 0;
}
.page-products__timeline-marker {
  position: absolute;
  left: 4px;
  top: 6px;
  width: var(--prod-timeline-dot-size);
  height: var(--prod-timeline-dot-size);
  background: var(--prod-red);
  border: 3px solid var(--prod-light);
  border-radius: 50%;
  z-index: 1;
}
.page-products__timeline-content {
  background: rgba(255, 255, 255, 0.06);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--prod-red);
}
.page-products__timeline-title {
  font-family: var(--prod-font-heading);
  font-size: 1.1rem;
  color: var(--prod-light);
  margin: 0 0 6px;
}
.page-products__timeline-desc {
  font-size: 0.95rem;
  color: var(--prod-silver);
  margin: 0;
}
/* ===== 使用指引 ===== */
.page-products__guide {
  padding: 40px 0;
}
.page-products__guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-products__guide-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px 24px;
  align-items: start;
  border-bottom: 1px solid var(--prod-silver);
  padding-bottom: 24px;
}
.page-products__guide-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-products__step-num {
  font-family: var(--prod-font-heading);
  font-size: var(--prod-step-num-size);
  line-height: 1;
  color: var(--prod-red);
  opacity: 0.6;
  grid-row: 1 / 3;
  align-self: center;
}
.page-products__step-content {
  grid-column: 2 / 3;
}
.page-products__step-title {
  font-family: var(--prod-font-heading);
  font-size: 1.2rem;
  color: var(--prod-dark);
  margin: 0 0 6px;
}
.page-products__step-text {
  font-size: 0.95rem;
  color: var(--prod-text);
  margin: 0 0 12px;
}
.page-products__step-img {
  grid-column: 2 / 3;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--prod-shadow);
}

/* ===== 背景装饰 ===== */
.page-products__bg-decor {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.03;
}
.page-products__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ===== 响应式：桌面端 ===== */
@media (min-width: 768px) {
  .page-products__hero {
    padding: 64px 0 32px;
  }
  .page-products__title {
    font-size: 3.2rem;
  }
  .page-products__title::before {
    font-size: 1.4rem;
  }
  .page-products__card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products__guide-grid {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
  }
  .page-products__guide-step {
    grid-template-columns: auto 1fr 300px;
    gap: 16px 32px;
  }
  .page-products__step-num {
    grid-row: 1 / 2;
  }
  .page-products__step-content {
    grid-column: 2 / 3;
  }
  .page-products__step-img {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
    max-width: 300px;
  }
  .page-products__timeline::before {
    left: 20px;
  }
  .page-products__timeline-item {
    padding-left: 56px;
  }
  .page-products__timeline-marker {
    left: 14px;
    width: 16px;
    height: 16px;
  }
}

@media (min-width: 1024px) {
  .page-products__card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products__title {
    font-size: 3.6rem;
  }
}