/* page-products 专属样式 */
.page-products {
  --page-max-width: 1440px;
  --console-width: 280px;
  --gap: 24px;
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  padding: 0 var(--gap) var(--gap);
  max-width: var(--page-max-width);
  margin: 0 auto;
}

/* 面包屑 */
.page-products__breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px 0 8px;
  color: var(--c-text-secondary);
}
.page-products__breadcrumb a {
  color: var(--c-brand);
  text-decoration: none;
}
.page-products__breadcrumb a:hover {
  color: var(--c-accent);
}
.page-products__breadcrumb span[aria-current="page"] {
  color: var(--c-dark);
  font-weight: 500;
}

/* 布局：左右分屏 */
.page-products__layout {
  display: flex;
  gap: var(--gap);
  margin-top: 16px;
}

/* 左侧控制台 */
.page-products__console {
  flex: 0 0 var(--console-width);
  background: var(--c-bg-light);
  border-radius: var(--radius-large);
  padding: 20px 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  height: fit-content;
  position: sticky;
  top: calc(var(--nav-height) + 16px);
}
.page-products__console-inner {
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-products__console-label {
  color: var(--c-text-secondary);
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}
.page-products__console-version {
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-brand);
  transition: transform 0.3s ease;
}
.page-products__console-version:hover {
  transform: scale(1.05);
  color: var(--c-accent);
}
.page-products__console-update {
  color: var(--c-accent);
  font-size: 0.8rem;
}
.page-products__console-note {
  font-size: 0.75rem;
  color: var(--c-text-secondary);
  margin-top: 12px;
  border-top: 1px solid var(--c-border);
  padding-top: 12px;
}

/* 右侧内容区 */
.page-products__content {
  flex: 1;
  min-width: 0;
}

.page-products__heading {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 3.5rem);
  font-weight: 700;
  color: var(--c-brand);
  margin: 0 0 8px;
}

.page-products__subhead {
  font-size: 1.1rem;
  color: var(--c-text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
}

/* 区块标题 */
.page-products__section-title {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--c-dark);
  border-left: 4px solid var(--c-accent);
  padding-left: 12px;
  margin-bottom: 20px;
}

/* 卡片翻转容器 */
.page-products__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products__card-flipper {
  perspective: 1200px;
  height: auto;
}

.page-products__card-inner {
  position: relative;
  width: 100%;
  min-height: 360px;
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
  cursor: default;
}

.page-products__card-flipper.is-flipped .page-products__card-inner {
  transform: rotateY(180deg);
}

.page-products__card-front,
.page-products__card-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--radius-large);
  background: var(--c-bg-light);
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
}

.page-products__card-back {
  transform: rotateY(180deg);
  background: var(--c-brand);
  color: #fff;
}

.page-products__card-icon {
  margin-bottom: 12px;
}
.page-products__card-icon img {
  display: block;
  border-radius: 50%;
}

.page-products__card-title {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--c-dark);
  margin: 0 0 8px;
}

.page-products__card-back .page-products__card-title {
  color: #fff;
}

.page-products__card-desc {
  color: var(--c-text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  flex: 1;
}

.page-products__card-back-content {
  flex: 1;
}
.page-products__card-back-content h4 {
  font-family: var(--font-mono);
  font-size: 1rem;
  margin: 0 0 8px;
  color: var(--c-accent);
}
.page-products__card-back-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}
.page-products__card-back-content ul li::before {
  content: "— ";
  color: var(--c-accent);
}

.page-products__card-preview {
  margin-top: 12px;
}
.page-products__card-preview img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

.page-products__card-btn {
  margin-top: 16px;
  align-self: flex-start;
  font-family: var(--font-mono);
  background: var(--c-brand);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: var(--radius-capsule);
  cursor: pointer;
  transition: background 0.2s;
}
.page-products__card-btn:hover {
  background: var(--c-accent);
  color: var(--c-dark);
}

/* 下载提示 */
.page-products__download-note {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--c-accent);
}

/* 二维码 */
.page-products__qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 24px;
  padding: 20px;
  background: var(--c-bg-light);
  border-radius: var(--radius-large);
}
.page-products__qr img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}
.page-products__qr-label {
  font-size: 0.8rem;
  color: var(--c-text-secondary);
  margin-top: 8px;
}

/* 功能对比 */
.page-products__compare-bg {
  position: relative;
  margin-bottom: -20px;
  z-index: 0;
}
.page-products__compare-bg img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-large);
  opacity: 0.2;
}

.page-products__compare-table-wrapper {
  overflow-x: auto;
  position: relative;
  z-index: 1;
  margin-top: -20px;
}

.page-products__compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 4px;
  font-family: var(--font-mono);
  background: var(--c-bg-light);
  border-radius: var(--radius-large);
  padding: 16px;
}
.page-products__compare-table th,
.page-products__compare-table td {
  text-align: left;
  padding: 10px 16px;
  background: var(--c-bg);
}
.page-products__compare-table th {
  background: var(--c-brand);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}
.page-products__compare-table th:first-child {
  border-top-left-radius: 12px;
}
.page-products__compare-table th:last-child {
  border-top-right-radius: 12px;
}
.page-products__compare-table td {
  border-bottom: 1px solid var(--c-border);
}
.page-products__compare-table tr:last-child td:first-child {
  border-bottom-left-radius: 12px;
}
.page-products__compare-table tr:last-child td:last-child {
  border-bottom-right-radius: 12px;
}
.page-products__compare-table td:first-child {
  font-weight: 500;
  color: var(--c-dark);
}
.page-products__compare-table td:nth-child(2),
.page-products__compare-table td:nth-child(3) {
  text-align: center;
  color: var(--c-brand);
}

.page-products__compare-note {
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  margin-top: 12px;
  line-height: 1.5;
}
.page-products__compare-note a {
  color: var(--c-brand);
  text-decoration: underline;
}
.page-products__compare-note a:hover {
  color: var(--c-accent);
}

/* 联系提示 */
.page-products__contact-tip {
  margin-top: 48px;
  padding: 20px;
  background: var(--c-bg-light);
  border-radius: var(--radius-large);
  font-size: 0.95rem;
  color: var(--c-text-secondary);
  text-align: center;
  border: 1px solid var(--c-border);
}
.page-products__contact-tip a {
  color: var(--c-brand);
  font-weight: 500;
  text-decoration: underline;
}
.page-products__contact-tip a:hover {
  color: var(--c-accent);
}

/* 辅助类：屏幕阅读器 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* 响应式：移动端优先 */
@media (max-width: 768px) {
  .page-products {
    padding: 0 12px 16px;
  }
  .page-products__layout {
    flex-direction: column;
  }
  .page-products__console {
    flex: none;
    width: 100%;
    position: static;
    margin-bottom: 16px;
  }
  .page-products__card-inner {
    min-height: 300px;
  }
  .page-products__compare-table {
    font-size: 0.8rem;
  }
  .page-products__compare-table th,
  .page-products__compare-table td {
    padding: 8px 10px;
  }
  .page-products__card-icon img {
    width: 60px !important;
    height: 60px !important;
  }
  .page-products__card-preview img {
    width: 100% !important;
    height: auto !important;
  }
  .page-products__qr img {
    width: 120px !important;
    height: 120px !important;
  }
  .page-products__compare-bg img {
    width: 100% !important;
    height: auto !important;
  }
}