/* ===== 页面专属：page-products ===== */
.page-products {
  --card-radius: 4px;
  --card-border-color: rgba(69, 123, 157, 0.3);
  --card-hover-border: var(--color-red);
  --gradient-hero: linear-gradient(145deg, rgba(13, 18, 30, 0.88) 0%, rgba(29, 53, 87, 0.70) 100%);
  --gradient-card-live: linear-gradient(135deg, rgba(230, 57, 70, 0.18) 0%, rgba(230, 57, 70, 0.04) 100%);
  --gradient-card-round: linear-gradient(135deg, rgba(69, 123, 157, 0.18) 0%, rgba(69, 123, 157, 0.04) 100%);
  --gradient-card-compare: linear-gradient(135deg, rgba(42, 157, 143, 0.18) 0%, rgba(42, 157, 143, 0.04) 100%);
  --gradient-card-alert: linear-gradient(135deg, rgba(244, 162, 97, 0.18) 0%, rgba(244, 162, 97, 0.04) 100%);
  --frame-color: rgba(69, 123, 157, 0.35);
  --slide-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

/* --- 布局容器 --- */
.page-products .container {
  max-width: var(--site-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --- 页面上下文标签 --- */
.page-products .page-context-label {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-red);
  border: 1px solid var(--color-red);
  padding: 0.2rem 0.8rem;
  margin-bottom: 1rem;
}

/* --- 首屏仪表板 --- */
.page-products .hero-dashboard {
  position: relative;
  padding-top: 3rem;
  padding-bottom: 4rem;
  overflow: hidden;
  background: var(--color-dark);
}

.page-products .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

.page-products .hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-bottom: 2.5rem;
}

.page-products .hero-content h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: 2.5rem;
  line-height: 1.1;
  color: var(--color-white);
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}

.page-products .hero-sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--color-gray);
  margin: 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- 框景边框 --- */
.page-products .frame-border {
  position: absolute;
  inset: 1rem;
  pointer-events: none;
  z-index: 2;
}

.page-products .frame-corner {
  position: absolute;
  width: 28px;
  height: 28px;
  border-color: var(--frame-color);
  border-style: solid;
}

.page-products .frame-corner.top-left {
  top: 0;
  left: 0;
  border-width: 2px 0 0 2px;
}

.page-products .frame-corner.top-right {
  top: 0;
  right: 0;
  border-width: 2px 2px 0 0;
}

.page-products .frame-corner.bottom-left {
  bottom: 0;
  left: 0;
  border-width: 0 0 2px 2px;
}

.page-products .frame-corner.bottom-right {
  bottom: 0;
  right: 0;
  border-width: 0 2px 2px 0;
}

.page-products .frame-scale {
  position: absolute;
  background: var(--frame-color);
}

.page-products .frame-scale.scale-top,
.page-products .frame-scale.scale-bottom {
  height: 1px;
  left: 48px;
  right: 48px;
}

.page-products .frame-scale.scale-top {
  top: 0;
}

.page-products .frame-scale.scale-bottom {
  bottom: 0;
}

.page-products .frame-scale.scale-left,
.page-products .frame-scale.scale-right {
  width: 1px;
  top: 48px;
  bottom: 48px;
}

.page-products .frame-scale.scale-left {
  left: 0;
}

.page-products .frame-scale.scale-right {
  right: 0;
}

/* --- 功能卡片网格 --- */
.page-products .dashboard-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding-bottom: 0.5rem;
}

/* --- 卡片基础 --- */
.page-products .card {
  perspective: 800px;
  cursor: default;
  border-radius: var(--card-radius);
  border: 1px solid var(--card-border-color);
  background: rgba(11, 12, 16, 0.65);
  backdrop-filter: blur(4px);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  min-height: 180px;
}

.page-products .card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
}

.page-products .card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.4s ease;
  transform-style: preserve-3d;
  padding: 1.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-products .card:hover .card-inner {
  transform: rotateY(8deg) scale(1.02);
}

.page-products .card-face {
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
}

.page-products .card-front {
  gap: 0.6rem;
}

.page-products .card-back {
  position: absolute;
  inset: 0;
  padding: 1.5rem 1rem;
  gap: 0.8rem;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: rgba(11, 12, 16, 0.88);
  border-radius: var(--card-radius);
}

.page-products .card:hover .card-back {
  opacity: 1;
}

.page-products .card-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: 2px;
  transition: transform 0.3s;
}

.page-products .card:hover .card-icon {
  transform: scale(0.92);
}

.page-products .card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-white);
  margin: 0;
  letter-spacing: 0.01em;
}

.page-products .card-desc {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-gray);
  margin: 0;
  max-width: 220px;
}

.page-products .card-metric {
  font-family: var(--font-data);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-green);
  border-top: 1px solid rgba(42, 157, 143, 0.25);
  padding-top: 0.5rem;
  width: 80%;
}

/* --- 各卡片特色渐变 --- */
.page-products .card-live {
  border-left: 3px solid var(--color-red);
  background: var(--gradient-card-live), rgba(11, 12, 16, 0.65);
}

.page-products .card-round {
  border-left: 3px solid var(--color-light-blue);
  background: var(--gradient-card-round), rgba(11, 12, 16, 0.65);
}

.page-products .card-compare {
  border-left: 3px solid var(--color-green);
  background: var(--gradient-card-compare), rgba(11, 12, 16, 0.65);
}

.page-products .card-alert {
  border-left: 3px solid var(--color-yellow);
  background: var(--gradient-card-alert), rgba(11, 12, 16, 0.65);
}

/* --- 章节分割 --- */
.page-products .section-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-products .section-number {
  font-family: var(--font-data);
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--color-red);
  line-height: 1;
  opacity: 0.7;
}

.page-products .section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(230, 57, 70, 0.4), transparent);
}

/* --- 移动端体验 --- */
.page-products .mobile-experience {
  padding-top: 3rem;
  padding-bottom: 4rem;
}

.page-products .mobile-layout {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}

.page-products .mobile-text h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: 1.8rem;
  color: var(--color-white);
  margin: 0 0 1rem;
}

.page-products .mobile-text p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray);
  margin: 0 0 1.2rem;
  max-width: 520px;
}

.page-products .mobile-feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-products .mobile-feature-list li {
  position: relative;
  padding-left: 1.6rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-white);
  line-height: 1.4;
}

.page-products .mobile-feature-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-red);
  font-weight: 700;
}

.page-products .btn-mobile-guide {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-white);
  background: var(--color-red);
  border: none;
  border-radius: 2px;
  padding: 0.65rem 1.6rem;
  text-decoration: none;
  transition: background 0.25s, transform 0.2s;
  cursor: pointer;
}

.page-products .btn-mobile-guide:hover {
  background: #c62e3a;
  transform: translateY(-1px);
}

/* --- 滑动预览 --- */
.page-products .mobile-preview {
  width: 100%;
  max-width: 340px;
  overflow: hidden;
  position: relative;
}

.page-products .slider-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--color-red) rgba(69, 123, 157, 0.15);
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
}

.page-products .slider-track::-webkit-scrollbar {
  height: 4px;
}

.page-products .slider-track::-webkit-scrollbar-track {
  background: rgba(69, 123, 157, 0.1);
  border-radius: 2px;
}

.page-products .slider-track::-webkit-scrollbar-thumb {
  background: var(--color-red);
  border-radius: 2px;
}

.page-products .slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--slide-shadow);
  background: #0f1219;
  border: 1px solid rgba(69, 123, 157, 0.2);
}

.page-products .slide-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 2;
  object-fit: cover;
}

.page-products .slide figcaption {
  padding: 0.5rem 0.8rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-gray);
  background: rgba(11, 12, 16, 0.7);
  text-align: center;
}

.page-products .slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.page-products .slider-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(69, 123, 157, 0.3);
  transition: background 0.3s, transform 0.2s;
}

.page-products .slider-dots .dot.is-active {
  background: var(--color-red);
  transform: scale(1.2);
}

/* --- 版本使用指南 --- */
.page-products .usage-guide {
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.page-products .guide-intro {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-gray);
  margin: 0 0 2rem;
  max-width: 560px;
}

.page-products .usage-guide h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: 1.8rem;
  color: var(--color-white);
  margin: 0 0 0.6rem;
}

/* --- 标签导航 --- */
.page-products .tabs-wrapper {
  background: rgba(11, 12, 16, 0.5);
  border: 1px solid rgba(69, 123, 157, 0.2);
  border-radius: 4px;
  padding: 1.5rem;
}

.page-products .tab-nav {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid rgba(69, 123, 157, 0.15);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-products .tab-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-gray);
  padding: 0.4rem 1.2rem;
  border-radius: 2px 2px 0 0;
  cursor: pointer;
  transition: color 0.25s, background 0.25s;
  user-select: none;
}

.page-products .tab-label:hover {
  color: var(--color-white);
  background: rgba(69, 123, 157, 0.1);
}

/* --- radio hack: 选中标签高亮 --- */
#tab-guide-1:checked ~ .tab-nav .tab-label[for="tab-guide-1"],
#tab-guide-2:checked ~ .tab-nav .tab-label[for="tab-guide-2"],
#tab-guide-3:checked ~ .tab-nav .tab-label[for="tab-guide-3"] {
  color: var(--color-white);
  background: rgba(230, 57, 70, 0.15);
  border-bottom: 2px solid var(--color-red);
}

/* 合并选择器用 ~ 需同级，使用通用结构适配 */
.page-products .tab-panels {
  position: relative;
}

.page-products .tab-panel {
  display: none;
  animation: fadePanel 0.3s ease;
}

@keyframes fadePanel {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

#tab-guide-1:checked ~ .tab-panels .tab-panel[data-tab="1"],
#tab-guide-2:checked ~ .tab-panels .tab-panel[data-tab="2"],
#tab-guide-3:checked ~ .tab-panels .tab-panel[data-tab="3"] {
  display: block;
}

.page-products .tab-panel-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-white);
  margin: 0 0 0.6rem;
}

.page-products .tab-panel p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-gray);
  margin: 0 0 1.2rem;
  max-width: 520px;
}

.page-products .btn-guide {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-white);
  background: transparent;
  border: 1px solid var(--color-red);
  border-radius: 2px;
  padding: 0.5rem 1.4rem;
  text-decoration: none;
  transition: background 0.25s, transform 0.2s;
}

.page-products .btn-guide:hover {
  background: var(--color-red);
  transform: translateY(-1px);
}

/* --- 额外链接 --- */
.page-products .guide-extra {
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(69, 123, 157, 0.15);
  text-align: center;
}

.page-products .guide-extra p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-gray);
  margin: 0;
}

.page-products .link-extra {
  color: var(--color-light-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(69, 123, 157, 0.3);
  transition: color 0.25s, border-color 0.25s;
}

.page-products .link-extra:hover {
  color: var(--color-white);
  border-color: var(--color-white);
}

/* ===== 桌面端：≥768px ===== */
@media (min-width: 768px) {
  .page-products .hero-dashboard {
    padding-top: 4rem;
    padding-bottom: 5rem;
  }

  .page-products .hero-content h1 {
    font-size: 3.2rem;
  }

  .page-products .hero-sub {
    font-size: 1.15rem;
  }

  /* 非对称网格：左列1.3fr 右列1fr */
  .page-products .dashboard-grid {
    grid-template-columns: 1.3fr 1fr;
    gap: 1.5rem;
  }

  .page-products .card {
    min-height: 220px;
  }

  .page-products .card-live {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .page-products .card-round {
    grid-column: 2;
    grid-row: 1;
  }

  .page-products .card-compare {
    grid-column: 2;
    grid-row: 2;
  }

  .page-products .card-alert {
    grid-column: 1 / 3;
    grid-row: 3;
  }

  .page-products .card-icon {
    width: 100px;
    height: 100px;
  }

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

  /* 移动端体验：并排 */
  .page-products .mobile-layout {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  .page-products .mobile-text {
    flex: 1;
    max-width: 480px;
  }

  .page-products .mobile-preview {
    flex: 0 0 320px;
    max-width: 320px;
  }

  .page-products .mobile-text h2 {
    font-size: 2rem;
  }

  /* 标签导航横向 */
  .page-products .tab-nav {
    gap: 0.5rem;
  }

  .page-products .tab-label {
    font-size: 0.95rem;
    padding: 0.5rem 1.6rem;
  }
}

/* ===== 桌面端：≥1024px ===== */
@media (min-width: 1024px) {
  .page-products .hero-content h1 {
    font-size: 3.8rem;
  }

  .page-products .dashboard-grid {
    grid-template-columns: 1.4fr 1fr 0.8fr;
    gap: 1.75rem;
  }

  /* 重新排布：更丰富的非对称 */
  .page-products .card-live {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
  }

  .page-products .card-round {
    grid-column: 3;
    grid-row: 1;
  }

  .page-products .card-compare {
    grid-column: 3;
    grid-row: 2;
  }

  .page-products .card-alert {
    grid-column: 1 / 4;
    grid-row: 3;
  }

  .page-products .card {
    min-height: 240px;
  }

  .page-products .card-icon {
    width: 110px;
    height: 110px;
  }

  .page-products .mobile-experience {
    padding-top: 4rem;
    padding-bottom: 5rem;
  }

  .page-products .usage-guide {
    padding-bottom: 5rem;
  }

  .page-products .frame-border {
    inset: 1.5rem;
  }

  .page-products .frame-corner {
    width: 36px;
    height: 36px;
  }

  .page-products .frame-scale.scale-top,
  .page-products .frame-scale.scale-bottom {
    left: 60px;
    right: 60px;
  }

  .page-products .frame-scale.scale-left,
  .page-products .frame-scale.scale-right {
    top: 60px;
    bottom: 60px;
  }
}

/* ===== 桌面端：≥1280px ===== */
@media (min-width: 1280px) {
  .page-products .dashboard-grid {
    grid-template-columns: 1.5fr 1fr 0.9fr;
    gap: 2rem;
  }

  .page-products .card {
    min-height: 270px;
  }
}

/* ===== 移动端横屏适配 ===== */
@media (max-width: 767px) and (orientation: landscape) {
  .page-products .dashboard-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .page-products .card {
    min-height: 160px;
  }

  .page-products .card-icon {
    width: 64px;
    height: 64px;
  }

  .page-products .mobile-preview {
    max-width: 260px;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-products .hero-bg {
    display: none;
  }

  .page-products .card-back {
    opacity: 1;
    position: static;
    background: transparent;
  }

  .page-products .card-inner {
    transform: none !important;
  }

  .page-products .tabs-wrapper {
    border: 1px solid #ccc;
  }

  .page-products .tab-panel {
    display: block !important;
  }
}
<<<PAGE_HTML>>>