/* ===== 页面专属：.page-products ===== */
.page-products {
  --card-common-bg: linear-gradient(135deg, #00A878 0%, #00805e 100%);
  --card-version-bg: linear-gradient(135deg, #0066CC 0%, #004d99 100%);
  --card-download-bg: linear-gradient(135deg, #FFD700 0%, #e6c200 100%);
  --section-gap: 4rem;
  --hero-min-height: 70vh;
  color: var(--text-dark);
  background: var(--bg-light);
}

/* --- 首屏英雄区 --- */
.page-products .hero-section {
  position: relative;
  min-height: var(--hero-min-height);
  display: flex;
  align-items: center;
  padding: 3rem 0 2rem;
  background: var(--bg-dark);
  overflow: hidden;
}

.page-products .hero-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(145deg, rgba(0,168,120,0.15) 0%, rgba(13,27,42,0.9) 70%);
  pointer-events: none;
}

.page-products .hero-layout {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  width: 100%;
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.page-products .hero-text {
  flex: 1 1 auto;
}

.page-products .breadcrumb {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--neutral-gray);
  margin-bottom: 1rem;
}

.page-products .breadcrumb a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color var(--transition);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus {
  color: #fff;
  text-decoration: underline;
}

.page-products .hero-headline {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: clamp(2.8rem, 12vw, 6rem);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1;
  margin: 0 0 0.5rem;
}

.page-products .hero-sub {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: clamp(1rem, 3vw, 1.4rem);
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.page-products .hero-desc {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 1rem;
  color: var(--text-light);
  max-width: 32rem;
  line-height: 1.6;
  margin: 0;
}

/* --- 首屏斜切卡片 --- */
.page-products .hero-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 0 0 auto;
}

.page-products .service-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: 0;
  clip-path: polygon(0 0, calc(100% - 0.75rem) 0, 100% 0.75rem, 100% 100%, 0.75rem 100%, 0 calc(100% - 0.75rem));
  text-decoration: none;
  color: #fff;
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: 5rem;
}

.page-products .service-card:hover,
.page-products .service-card:focus {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.page-products .card-common {
  background: var(--card-common-bg);
}

.page-products .card-version {
  background: var(--card-version-bg);
}

.page-products .card-download {
  background: var(--card-download-bg);
  color: var(--text-dark);
}

.page-products .card-icon {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 4px;
}

.page-products .card-label {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-products .card-brief {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 0.8rem;
  opacity: 0.85;
  margin-left: auto;
  text-align: right;
  flex-shrink: 0;
}

/* --- 通用章节标题 --- */
.page-products .section-title {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin: 0 0 0.5rem;
  line-height: 1.1;
}

.page-products .version-badge {
  display: inline-block;
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: var(--accent-gold);
  color: var(--text-dark);
  padding: 0.2rem 0.75rem;
  border-radius: 2rem;
  vertical-align: middle;
  margin-left: 0.5rem;
}

.page-products .section-desc {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 1rem;
  color: var(--info-blue);
  margin: 0 0 2rem;
  max-width: 36rem;
  line-height: 1.5;
}

/* --- 服务清单可折叠卡片 --- */
.page-products .service-list-section {
  padding: var(--section-gap) 0;
  background: var(--bg-light);
}

.page-products .service-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-products .service-item {
  background: #fff;
  border-left: 4px solid var(--primary-green);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow var(--transition);
  overflow: hidden;
}

.page-products .service-item:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.page-products .service-item summary {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
  user-select: none;
  transition: background var(--transition);
}

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

.page-products .service-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  margin-left: auto;
  color: var(--primary-green);
  transition: transform var(--transition);
}

.page-products .service-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}

.page-products .service-item summary:hover {
  background: rgba(0,168,120,0.04);
}

.page-products .summary-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.page-products .service-content {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-dark);
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-products .service-content p {
  margin: 0 0 1rem;
}

.page-products .service-content .btn {
  margin-top: 0.25rem;
}

/* --- 下载区 --- */
.page-products .download-section {
  padding: var(--section-gap) 0;
  background: var(--bg-dark);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.page-products .download-section .section-title {
  color: #fff;
}

.page-products .download-section .section-desc {
  color: var(--neutral-gray);
}

.page-products .download-bg-wrap {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  opacity: 0.08;
  pointer-events: none;
  overflow: hidden;
}

.page-products .download-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .file-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.page-products .file-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition), border-color var(--transition);
}

.page-products .file-item:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--accent-gold);
}

.page-products .file-icon {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  flex-shrink: 0;
  opacity: 0.8;
}

.page-products .file-info {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-products .file-name {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.page-products .file-meta {
  font-size: 0.8rem;
  color: var(--neutral-gray);
  letter-spacing: 0.02em;
}

.page-products .file-action {
  flex-shrink: 0;
  min-width: 6.5rem;
  text-align: center;
}

.page-products .file-action.btn-gold {
  background: var(--accent-gold);
  color: var(--text-dark);
  border: none;
}

.page-products .file-action.btn-gold:hover {
  background: #e6c200;
  transform: scale(1.04);
}

.page-products .file-action.btn-outline {
  border-color: var(--neutral-gray);
  color: var(--text-light);
}

.page-products .file-action.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: rgba(255,215,0,0.08);
}

/* --- 进度指示器 --- */
.page-products .progress-indicator {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.page-products .progress-label {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--neutral-gray);
  flex-shrink: 0;
}

.page-products .progress-track {
  flex: 1 1 auto;
  height: 6px;
  background: rgba(255,255,255,0.12);
  border-radius: 3px;
  overflow: hidden;
}

.page-products .progress-bar-custom {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-gold));
  border-radius: 3px;
  transition: width 0.6s ease;
}

.page-products .progress-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-gold);
  flex-shrink: 0;
}

/* --- 服务清单索引 --- */
.page-products .service-index-section {
  padding: var(--section-gap) 0;
  background: var(--bg-light);
}

.page-products .index-content {
  max-width: 48rem;
}

.page-products .index-intro {
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  margin-bottom: 2rem;
}

.page-products .index-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.page-products .index-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.04);
  text-decoration: none;
  color: var(--text-dark);
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.02);
}

.page-products .index-item:hover,
.page-products .index-item:focus {
  background: rgba(0,168,120,0.04);
  border-color: var(--primary-green);
  transform: translateY(-2px);
}

.page-products .index-arrow {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-green);
  width: 1.8rem;
  text-align: center;
}

.page-products .index-icon-badge {
  font-size: 1.2rem;
  width: 1.8rem;
  text-align: center;
  line-height: 1;
}

.page-products .index-label {
  flex: 1 1 auto;
}

/* ===== 响应式：平板 / 桌面 ===== */
@media (min-width: 48rem) {
  .page-products {
    --section-gap: 5rem;
  }

  .page-products .hero-section {
    padding: 4rem 0 3rem;
    min-height: 60vh;
  }

  .page-products .hero-layout {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }

  .page-products .hero-text {
    flex: 1 1 45%;
  }

  .page-products .hero-cards {
    flex: 1 1 55%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: flex-end;
  }

  .page-products .service-card {
    flex: 1 1 calc(50% - 0.5rem);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    min-height: 8rem;
  }

  .page-products .service-card .card-brief {
    margin-left: 0;
    text-align: left;
  }

  .page-products .card-icon {
    width: 3.5rem;
    height: 3.5rem;
  }

  .page-products .card-label {
    font-size: 1.3rem;
  }

  .page-products .service-cards {
    max-width: 48rem;
  }

  .page-products .file-list {
    max-width: 42rem;
  }

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

  .page-products .index-item {
    padding: 1.25rem 1.5rem;
  }
}

@media (min-width: 64rem) {
  .page-products .hero-section {
    min-height: 70vh;
    padding: 5rem 0 4rem;
  }

  .page-products .hero-headline {
    font-size: clamp(4rem, 8vw, 7rem);
  }

  .page-products .service-card {
    flex: 1 1 calc(33.33% - 0.75rem);
    min-height: 10rem;
    padding: 1.75rem;
  }

  .page-products .card-icon {
    width: 4rem;
    height: 4rem;
  }

  .page-products .card-label {
    font-size: 1.5rem;
  }

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