.page-products {
  --products-accent: #00FF9D;
  --products-gold: #FFD700;
  --products-surface: #112240;
  --products-bg-deep: #0A192F;
  --products-bg-light: #F0F4F8;
  --products-line: #2D3748;
  --products-text-light: #FFFFFF;
  --products-muted: #8A9BB5;
  background-color: var(--products-bg-light);
  color: var(--c-text, #1A202C);
}

.page-products__inner {
  padding-top: 32px;
  padding-bottom: 64px;
}

/* 面包屑 */
.page-products .breadcrumb {
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 13px;
  margin-bottom: 24px;
  color: var(--products-muted);
}

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

.page-products .breadcrumb a:hover {
  color: var(--products-bg-deep);
}

/* ===== 首屏下载卡片 ===== */
.page-products__download-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  background: var(--products-bg-deep);
  border-radius: 0;
  padding: 32px 20px;
  position: relative;
  margin-bottom: 64px;
}

.page-products__download-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--products-accent) 0%, var(--products-bg-deep) 100%);
}

.page-products__hero-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products__hero-copy .tag-line.on-dark {
  align-self: flex-start;
}

.page-products__hero-copy h1 {
  color: var(--products-text-light);
  font-size: 28px;
  line-height: 1.3;
  font-weight: 700;
  max-width: 720px;
}

.page-products__hero-lead {
  color: var(--products-muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 640px;
  margin: 0;
}

.page-products__hero-facts {
  list-style: none;
  margin: 8px 0 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products__hero-facts li {
  padding-left: 16px;
  position: relative;
  color: var(--products-text-light);
  font-size: 14px;
  line-height: 1.6;
}

.page-products__hero-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--products-accent);
}

.page-products__hero-card {
  background: var(--products-surface);
  border: 1px solid var(--products-line);
  padding: 32px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.page-products__hero-card::after {
  content: "DATA FIELD";
  position: absolute;
  right: 8px;
  bottom: 8px;
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 12px;
  color: rgba(0, 255, 157, 0.3);
}

.page-products__app-icon-frame {
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.page-products__app-icon-frame::before {
  content: "";
  position: absolute;
  inset: -6px;
  border: 1px solid var(--products-accent);
  transform: rotate(3deg);
}

.page-products__app-icon {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  max-width: 100%;
}

.page-products__app-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--products-text-light);
  margin: 0;
}

.page-products__app-version {
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 13px;
  color: var(--products-muted);
  margin: 0;
}

.page-products__qr-wrap {
  padding: 12px;
  background: var(--products-bg-light);
  transition: transform 0.2s var(--ease, ease);
  cursor: pointer;
}

.page-products__qr-wrap:hover,
.page-products__qr-wrap:focus-visible {
  transform: scale(1.06);
  outline: 2px solid var(--products-accent);
  outline-offset: 4px;
}

.page-products__qr {
  display: block;
  width: 140px;
  height: 140px;
  max-width: 100%;
}

.page-products__qr-tip {
  font-size: 13px;
  color: var(--products-muted);
  text-align: center;
  margin: 0;
}

.page-products__platform-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.page-products__platform-tags .tag-line.on-dark {
  margin: 0;
}

/* ===== 价格对比区 ===== */
.page-products__price-section {
  margin-bottom: 64px;
}

.page-products .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-products .section-index {
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 16px;
  font-weight: 700;
  color: var(--products-bg-deep);
  border: 1px solid var(--products-bg-deep);
  padding: 2px 8px;
  display: inline-block;
  line-height: 1.4;
}

.page-products .section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--products-bg-deep);
  margin: 0;
}

.page-products__price-intro {
  color: var(--products-gray);
  font-size: 15px;
  margin: 0 0 24px 0;
  max-width: 720px;
}

.page-products__price-card {
  background: var(--products-bg-light);
  border: 1px solid var(--products-line);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 16px;
}

.page-products__price-card--gold {
  background: var(--products-surface);
  border: 1px solid var(--products-gold);
  position: relative;
}

.page-products__price-card--gold::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--products-gold);
}

.page-products__price-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-products__price-card--gold .tag-line,
.page-products__price-card--gold .page-products__price-note {
  color: var(--products-gold);
  border-color: var(--products-gold);
}

.page-products__price-card .tag-line {
  margin: 0;
  color: var(--products-bg-deep);
  border-color: var(--products-bg-deep);
}

.page-products__price-value {
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 32px;
  font-weight: 700;
  color: var(--products-bg-deep);
  line-height: 1;
}

.page-products__price-card--gold .page-products__price-value {
  color: var(--products-gold);
}

.page-products__price-unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--products-muted);
  margin-left: 4px;
}

.page-products__price-card--gold .page-products__price-unit {
  color: var(--products-gold);
}

.page-products__price-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products__price-features li {
  padding-left: 20px;
  position: relative;
  font-size: 14px;
  line-height: 1.7;
  color: #FFFFFF;
}

.page-products__price-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--products-accent);
  border-radius: 0;
}

.page-products__price-card:not(.page-products__price-card--gold) .page-products__price-features li {
  color: var(--products-text);
}

.page-products__price-card:not(.page-products__price-card--gold) .page-products__price-features li::before {
  background: var(--products-bg-deep);
}

.page-products__price-note {
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 13px;
  margin: 0;
}

.page-products__price-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products__price-card .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-products .btn-ghost {
  border: 1px solid var(--products-bg-deep);
  color: var(--products-bg-deep);
  padding: 8px 16px;
  background: transparent;
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 14px;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s, color 0.2s;
}

.page-products .btn-ghost:hover {
  background: var(--products-bg-deep);
  color: var(--products-bg-light);
}

.page-products__compare-figure {
  margin-top: 24px;
}

.page-products__compare-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--products-line);
}

/* ===== 数据功能演示 ===== */
.page-products__functional-section {
  margin-bottom: 64px;
}

.page-products__function-lead {
  color: var(--products-gray);
  font-size: 15px;
  max-width: 720px;
  margin: 0 0 24px 0;
}

.page-products__function-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-products__function-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--products-line);
}

.page-products__function-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-products__function-media {
  width: 100%;
}

.page-products__function-media img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

.page-products__function-copy h3 {
  font-size: 20px;
  color: var(--products-bg-deep);
  margin: 0 0 12px 0;
}

.page-products__function-copy p {
  color: var(--products-gray);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 12px 0;
}

.page-products__feature-panel {
  background: var(--products-bg-deep);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products__feature-panel .data-label {
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 13px;
  color: var(--products-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.page-products__feature-panel-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--products-text-light);
  margin: 0;
  font-family: var(--f-mono, "JetBrains Mono", monospace);
}

.page-products__feature-panel p:not(.data-label):not(.page-products__feature-panel-value) {
  color: var(--products-muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

/* ===== 大屏指南 ===== */
.page-products__guide-section {
  margin-bottom: 64px;
}

.page-products__guide-intro {
  color: var(--products-gray);
  font-size: 15px;
  max-width: 720px;
  margin: 0 0 24px 0;
}

.page-products__guide-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
  overflow-x: auto;
}

.page-products__guide-step {
  border: 1px solid var(--products-line);
  padding: 20px;
  background: var(--products-bg-light);
  min-width: 0;
  flex: 1;
}

.page-products__guide-num {
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 14px;
  color: var(--products-accent);
  background: var(--products-bg-deep);
  padding: 4px 8px;
  display: inline-block;
  margin-bottom: 12px;
}

.page-products__guide-step h3 {
  font-size: 18px;
  color: var(--products-bg-deep);
  margin: 0 0 8px 0;
}

.page-products__guide-step p {
  color: var(--products-gray);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.page-products__guide-media {
  margin-top: 24px;
}

.page-products__guide-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--products-line);
}

/* ===== FAQ ===== */
.page-products__faq-section {
  margin-bottom: 32px;
}

.page-products__faq-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products__faq-item {
  border: 1px solid var(--products-line);
  padding: 20px;
  background: var(--products-bg-light);
}

.page-products__faq-item summary {
  font-weight: 700;
  font-size: 16px;
  color: var(--products-bg-deep);
  cursor: pointer;
  position: relative;
  padding-right: 32px;
}

.page-products__faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-family: var(--f-mono, "JetBrains Mono", monospace);
  font-size: 20px;
  color: var(--products-accent);
}

.page-products__faq-item[open] summary::after {
  content: "-";
  color: var(--products-bg-deep);
}

.page-products__faq-item p {
  margin: 12px 0 0 0;
  color: var(--products-gray);
  font-size: 14px;
  line-height: 1.8;
}

/* 桌面端媒体查询 */
@media (min-width: 768px) {
  .page-products__inner {
    padding-top: 48px;
    padding-bottom: 96px;
  }

  .page-products__download-hero {
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 56px 48px;
  }

  .page-products__hero-copy h1 {
    font-size: 36px;
  }

  .page-products__hero-lead {
    font-size: 16px;
  }

  .page-products__hero-card {
    padding: 40px 32px;
  }

  .page-products__app-icon-frame {
    width: 120px;
    height: 120px;
  }

  .page-products__app-icon {
    width: 120px;
    height: 120px;
  }

  .page-products__price-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-products__price-card {
    padding: 32px 28px;
    margin-bottom: 0;
  }

  .page-products__price-card--gold {
    padding: 40px 32px;
  }

  .page-products__price-card--gold .page-products__price-features li {
    font-size: 15px;
  }

  .page-products__price-card:not(.page-products__price-card--gold) {
    margin-bottom: 0;
  }

  .page-products__compare-figure {
    margin-top: 32px;
    max-width: 840px;
  }

  .page-products__function-item {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 32px 0;
  }

  .page-products__function-item--reverse .page-products__function-media {
    order: 2;
  }

  .page-products__function-item--reverse .page-products__function-copy {
    order: 1;
  }

  .page-products__feature-panel {
    padding: 48px 40px;
  }

  .page-products__guide-steps {
    flex-direction: row;
    gap: 24px;
  }

  .page-products__guide-step {
    padding: 28px;
  }

  .page-products__guide-step p {
    font-size: 15px;
  }

  .page-products__guide-media {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    align-items: center;
  }

  .page-products__guide-media img {
    grid-column: 1;
    grid-row: 1;
  }

  /* 不显示第二个空占位，纯图片布局 */
  .page-products__guide-media::after {
    content: "";
    display: none;
  }

  .page-products__faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
    transform: none !important;
  }
}

.page-products {
  --products-gray: currentColor;
  --products-text: currentColor;
}