/* ===== 应用中心专属样式 ===== */
.page-products {
  display: block;
  width: 100%;
  background-color: var(--deep-blue, #003366);
  color: var(--tech-white, #F5F5F5);
  font-family: var(--font-body, 'Inter', sans-serif);
  overflow-x: hidden;
}

/* ----- Hero 区域 ----- */
.page-products__hero {
  background: linear-gradient(135deg, var(--deep-blue, #003366) 60%, var(--deep-space-gray, #1A1A2E) 100%);
  padding: 2rem 1rem 1.5rem;
  border-bottom: 3px solid var(--electric-purple, #7B2D8E);
}

.page-products__hero-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  align-items: flex-start;
}

.page-products__hero-text {
  flex: 1 1 auto;
}

.page-products__badge {
  display: inline-block;
  background: var(--vibrant-orange, #FF6F00);
  color: #fff;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.page-products__hero-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-size: 2.2rem;
  line-height: 1.1;
  margin: 0 0 0.5rem;
  color: #fff;
  letter-spacing: -0.02em;
  font-style: italic;
}

.page-products__hero-desc {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--soft-purple, #E1BEE7);
  margin: 0 0 1rem;
  max-width: 36rem;
}

.page-products__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.8rem;
}

.page-products__breadcrumb-link {
  color: var(--soft-purple, #E1BEE7);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, 0.3s ease-in-out);
}

.page-products__breadcrumb-link:hover,
.page-products__breadcrumb-link:focus-visible {
  border-bottom-color: var(--vibrant-orange, #FF6F00);
  outline: none;
}

.page-products__breadcrumb-sep {
  color: var(--electric-purple, #7B2D8E);
}

.page-products__breadcrumb-current {
  color: #fff;
  font-weight: 600;
}

.page-products__hero-visual {
  flex: 0 0 auto;
  width: 100%;
  max-width: 400px;
}

.page-products__hero-img {
  width: 100%;
  height: auto;
  max-width: 400px;
  object-fit: cover;
  border: 2px solid var(--electric-purple, #7B2D8E);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

/* ----- 版本卡片区域（左右分屏） ----- */
.page-products__versions {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem 1rem;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
}

.page-products__versions-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex: 2 1 auto;
}

.page-products__versions-right {
  flex: 1 1 auto;
  min-width: 220px;
}

/* 卡片基础 */
.page-products__card {
  perspective: 800px;
  cursor: default;
}

.page-products__card-inner {
  position: relative;
  width: 100%;
  min-height: 360px;
  transition: transform 0.5s ease-in-out;
  transform-style: preserve-3d;
}

.page-products__card[data-hover="flip"]:hover .page-products__card-inner,
.page-products__card[data-hover="flip"]:focus-within .page-products__card-inner {
  transform: rotateY(180deg);
}

.page-products__card-front,
.page-products__card-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 360px;
  backface-visibility: hidden;
  border-radius: 6px;
  padding: 1.5rem 1.2rem;
  box-sizing: border-box;
  background: var(--deep-space-gray, #1A1A2E);
  border: 2px solid var(--electric-purple, #7B2D8E);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
}

.page-products__card-back {
  transform: rotateY(180deg);
  background: linear-gradient(145deg, var(--deep-space-gray, #1A1A2E), #2a1a3e);
  border-color: var(--vibrant-orange, #FF6F00);
  justify-content: center;
  align-items: center;
  text-align: center;
}

.page-products__card-number {
  display: inline-block;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--electric-purple, #7B2D8E);
  line-height: 1;
  margin-bottom: 0.25rem;
  opacity: 0.6;
}

.page-products__card-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 1.6rem;
  margin: 0 0 0.75rem;
  color: #fff;
  font-style: italic;
}

.page-products__card-image-wrap {
  margin-bottom: 0.75rem;
  border-radius: 4px;
  overflow: hidden;
}

.page-products__card-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--soft-purple, #E1BEE7);
  border-radius: 4px;
}

.page-products__card-summary {
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--soft-purple, #E1BEE7);
  margin: 0 0 0.8rem;
}

.page-products__card-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1 1 auto;
}

.page-products__card-feature {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--tech-white, #F5F5F5);
}

.page-products__card-feature::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--vibrant-orange, #FF6F00);
  font-weight: 700;
}

.page-products__card-hint {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--electric-purple, #7B2D8E);
  opacity: 0.7;
}

/* 卡片背面 */
.page-products__card-back-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--vibrant-orange, #FF6F00);
  margin: 0 0 0.8rem;
  font-style: italic;
}

.page-products__card-back-text {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--tech-white, #F5F5F5);
  margin: 0 0 0.6rem;
  max-width: 24rem;
}

.page-products__card-back-link {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.4rem 1rem;
  background: var(--electric-purple, #7B2D8E);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.8rem;
  border-radius: 3px;
  transition: background var(--transition, 0.3s ease-in-out);
}

.page-products__card-back-link:hover,
.page-products__card-back-link:focus-visible {
  background: var(--vibrant-orange, #FF6F00);
  outline: 2px solid var(--vibrant-orange, #FF6F00);
  outline-offset: 2px;
}

/* 右侧亮点区 */
.page-products__highlights {
  background: var(--deep-space-gray, #1A1A2E);
  border: 2px solid var(--electric-purple, #7B2D8E);
  border-radius: 6px;
  padding: 1.5rem 1.2rem;
  margin-bottom: 1.5rem;
}

.page-products__highlights-number {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 2rem;
  font-weight: 700;
  color: var(--electric-purple, #7B2D8E);
  opacity: 0.5;
  display: block;
  margin-bottom: 0.2rem;
}

.page-products__highlights-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 1.4rem;
  margin: 0 0 1rem;
  color: #fff;
  font-style: italic;
}

.page-products__highlights-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.page-products__highlights-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.page-products__highlights-icon {
  flex: 0 0 24px;
  margin-top: 2px;
}

.page-products__highlights-text {
  display: flex;
  flex-direction: column;
}

.page-products__highlights-text strong {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.page-products__highlights-text span {
  font-size: 0.8rem;
  color: var(--soft-purple, #E1BEE7);
}

.page-products__image-extra {
  margin-top: 1rem;
}

.page-products__extra-img {
  width: 100%;
  height: auto;
  max-width: 300px;
  object-fit: cover;
  border: 2px solid var(--soft-purple, #E1BEE7);
  border-radius: 4px;
}

/* ----- 版本对照表 ----- */
.page-products__compare {
  padding: 1.5rem 1rem 2rem;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
}

.page-products__compare-header {
  margin-bottom: 1.2rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.page-products__compare-number {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 2rem;
  font-weight: 700;
  color: var(--electric-purple, #7B2D8E);
  opacity: 0.5;
}

.page-products__compare-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 1.6rem;
  margin: 0;
  color: #fff;
  font-style: italic;
}

.page-products__compare-image-wrap {
  margin-bottom: 1.2rem;
}

.page-products__compare-img {
  width: 100%;
  height: auto;
  max-width: 600px;
  object-fit: cover;
  border: 2px solid var(--electric-purple, #7B2D8E);
  border-radius: 4px;
}

.page-products__compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products__compare-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.9rem;
}

.page-products__compare-th {
  padding: 0.7rem 1rem;
  text-align: left;
  font-weight: 700;
  background: var(--deep-space-gray, #1A1A2E);
  color: #fff;
  border-bottom: 3px solid var(--electric-purple, #7B2D8E);
}

.page-products__compare-th--feature {
  width: 50%;
}

.page-products__compare-th--v4 {
  color: var(--data-green, #00C853);
}

.page-products__compare-th--beta {
  color: var(--vibrant-orange, #FF6F00);
}

.page-products__compare-td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid rgba(123,45,142,0.2);
  color: var(--tech-white, #F5F5F5);
}

.page-products__compare-td--label {
  font-weight: 500;
  color: var(--soft-purple, #E1BEE7);
}

.page-products__compare-td--yes {
  color: var(--data-green, #00C853);
  font-weight: 700;
}

.page-products__compare-td--no {
  color: var(--alert-red, #D32F2F);
}

.page-products__compare-td--partial {
  color: var(--vibrant-orange, #FF6F00);
  font-style: italic;
}

.page-products__compare-row[data-hover="highlight"]:hover,
.page-products__compare-row[data-hover="highlight"]:focus-within {
  background: rgba(123,45,142,0.15);
  outline: none;
}

.page-products__compare-row[data-hover="highlight"]:hover .page-products__compare-td,
.page-products__compare-row[data-hover="highlight"]:focus-within .page-products__compare-td {
  color: #fff;
}

/* ----- 下载区域 ----- */
.page-products__download {
  padding: 1.5rem 1rem 2.5rem;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
}

.page-products__download-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--deep-space-gray, #1A1A2E);
  border: 2px solid var(--vibrant-orange, #FF6F00);
  border-radius: 6px;
  padding: 1.5rem 1.2rem;
}

.page-products__download-text {
  flex: 1 1 auto;
}

.page-products__download-number {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 2rem;
  font-weight: 700;
  color: var(--electric-purple, #7B2D8E);
  opacity: 0.5;
  display: block;
  margin-bottom: 0.2rem;
}

.page-products__download-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
  color: #fff;
  font-style: italic;
}

.page-products__download-desc {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--soft-purple, #E1BEE7);
  margin: 0 0 1rem;
}

.page-products__download-channels {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-products__download-channel {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  align-items: baseline;
  padding: 0.4rem 0.6rem;
  background: rgba(255,111,0,0.08);
  border-left: 3px solid var(--vibrant-orange, #FF6F00);
  border-radius: 2px;
}

.page-products__channel-name {
  font-weight: 700;
  color: #fff;
  font-size: 0.9rem;
}

.page-products__channel-desc {
  font-size: 0.85rem;
  color: var(--soft-purple, #E1BEE7);
}

.page-products__download-note {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--soft-purple, #E1BEE7);
  margin: 0;
}

.page-products__download-email {
  color: var(--vibrant-orange, #FF6F00);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, 0.3s ease-in-out);
}

.page-products__download-email:hover,
.page-products__download-email:focus-visible {
  border-bottom-color: var(--vibrant-orange, #FF6F00);
  outline: none;
}

.page-products__download-visual {
  flex: 0 0 auto;
}

.page-products__download-img {
  width: 100%;
  height: auto;
  max-width: 200px;
  object-fit: contain;
  opacity: 0.8;
}

/* ===== 桌面端断点 ===== */
@media (min-width: 768px) {
  .page-products__hero {
    padding: 3rem 1.5rem 2rem;
  }

  .page-products__hero-inner {
    flex-direction: row;
    align-items: center;
    gap: 2.5rem;
  }

  .page-products__hero-title {
    font-size: 2.8rem;
  }

  .page-products__hero-visual {
    width: auto;
  }

  .page-products__versions {
    flex-direction: row;
    gap: 2.5rem;
    padding: 2.5rem 1.5rem;
  }

  .page-products__versions-left {
    flex: 2 1 auto;
    max-width: 66%;
  }

  .page-products__versions-right {
    flex: 1 1 auto;
    max-width: 34%;
  }

  .page-products__card-front,
  .page-products__card-back {
    min-height: 380px;
    padding: 1.8rem 1.5rem;
  }

  .page-products__card-number {
    font-size: 2.8rem;
  }

  .page-products__compare {
    padding: 2rem 1.5rem 3rem;
  }

  .page-products__compare-table-wrap {
    overflow-x: visible;
  }

  .page-products__download {
    padding: 2rem 1.5rem 3rem;
  }

  .page-products__download-inner {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 2rem 1.8rem;
  }

  .page-products__download-channels {
    flex-direction: row;
    gap: 1rem;
  }

  .page-products__download-channel {
    flex: 1 1 auto;
    flex-direction: column;
    gap: 0.2rem;
  }
}

@media (min-width: 1024px) {
  .page-products__hero-title {
    font-size: 3.2rem;
  }

  .page-products__card-front,
  .page-products__card-back {
    min-height: 420px;
    padding: 2rem 1.8rem;
  }
}