.page-products {
  --card-offset: 1.5rem;
  --card-radius: 8px;
  --card-border-color: #E63946;
  --local-bg: #1D3557;
  --local-text-light: #F1FAEE;
  --download-accent: #F4A261;
  --step-color: #E63946;
  --card-shadow: rgba(0, 0, 0, 0.06);
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--neutral-light, #F1FAEE);
}

/* 面包屑 */
.page-products__breadcrumb {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 1.25rem 1rem 0;
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 0.875rem;
  color: var(--neutral-dark, #2B2D42);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.page-products__breadcrumb-link {
  color: var(--primary, #E63946);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, 0.25s ease);
}
.page-products__breadcrumb-link:hover {
  border-bottom-color: var(--primary, #E63946);
}
.page-products__breadcrumb-sep {
  color: var(--accent, #F4A261);
  font-family: var(--font-mono, 'Consolas', monospace);
  font-weight: 700;
}
.page-products__breadcrumb-current {
  color: var(--neutral-dark, #2B2D42);
  font-weight: 500;
}

/* 标题区 */
.page-products__intro {
  padding: 2rem 0 1.5rem;
  position: relative;
}
.page-products__intro .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-products__intro-title {
  font-family: var(--font-heading, 'Segoe UI', 'Arial Black', sans-serif);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--secondary, #1D3557);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}
.page-products__intro-title .brand-highlight {
  color: var(--primary, #E63946);
}
.page-products__intro-desc {
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 1rem;
  color: var(--neutral-dark, #2B2D42);
  max-width: 680px;
  line-height: 1.7;
  margin: 0 0 1.25rem;
}
.page-products__intro-line {
  width: 80px;
  height: 4px;
  background: var(--accent, #F4A261);
  border-radius: 2px;
  position: relative;
}
.page-products__intro-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--accent, #F4A261);
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
}

/* 主内容区 */
.page-products__main {
  padding: 1rem 0 3rem;
}
.page-products__main .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-products__main-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* 左侧功能区 */
.page-products__features {
  flex: 1 1 auto;
  min-width: 0;
}
.page-products__features-heading {
  font-family: var(--font-heading, 'Segoe UI', 'Arial Black', sans-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary, #1D3557);
  margin: 0 0 1.75rem;
  position: relative;
  display: inline-block;
}
.page-products__features-heading::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary, #E63946);
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0% 100%);
}

/* 功能卡片 */
.page-products__card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 2px dashed var(--card-border-color, #E63946);
  border-radius: var(--card-radius, 8px);
  overflow: hidden;
  transition: transform var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
  margin-bottom: 1.75rem;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.page-products__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px var(--card-shadow, rgba(0,0,0,0.06));
}
.page-products__card--alt {
  margin-left: var(--card-offset, 1.5rem);
  border-color: var(--accent, #F4A261);
}
.page-products__card--alt .page-products__card-tag {
  background: var(--accent, #F4A261);
  color: var(--secondary, #1D3557);
}
.page-products__card-img-wrap {
  width: 100%;
  overflow: hidden;
  background: var(--neutral-light, #F1FAEE);
}
.page-products__card-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.page-products__card--alt .page-products__card-img {
  aspect-ratio: 3 / 2;
}
.page-products__card-body {
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-products__card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.page-products__card-tag {
  background: var(--primary, #E63946);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-family: var(--font-mono, 'Consolas', monospace);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.page-products__card-title {
  font-family: var(--font-heading, 'Segoe UI', 'Arial Black', sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary, #1D3557);
  margin: 0;
}
.page-products__card-desc {
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 0.9375rem;
  color: var(--neutral-dark, #2B2D42);
  line-height: 1.6;
  margin: 0;
}
.page-products__card-details {
  margin-top: 0.25rem;
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
}
.page-products__card-summary {
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--primary, #E63946);
  font-weight: 600;
  padding: 0.25rem 0;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-bottom: 1px dashed var(--primary, #E63946);
  transition: opacity var(--transition, 0.25s ease);
}
.page-products__card-summary::-webkit-details-marker {
  display: none;
}
.page-products__card-summary::before {
  content: '+';
  font-family: var(--font-mono, 'Consolas', monospace);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1;
  transition: transform var(--transition, 0.25s ease);
}
.page-products__card-details[open] .page-products__card-summary::before {
  content: '−';
  transform: rotate(0deg);
}
.page-products__card-summary:hover {
  opacity: 0.8;
}
.page-products__card-details-body {
  padding: 0.75rem 0 0.25rem;
  font-size: 0.875rem;
  color: var(--neutral-dark, #2B2D42);
  line-height: 1.7;
  border-top: 1px solid rgba(0,0,0,0.06);
  margin-top: 0.5rem;
}
.page-products__card-details-body p {
  margin: 0;
}

/* 右侧下载区 */
.page-products__download {
  flex: 0 0 auto;
  width: 100%;
  background: #fff;
  border: 2px solid var(--secondary, #1D3557);
  border-radius: var(--card-radius, 8px);
  padding: 1.75rem 1.5rem 2rem;
  position: relative;
  align-self: flex-start;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-products__download-heading {
  font-family: var(--font-heading, 'Segoe UI', 'Arial Black', sans-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--secondary, #1D3557);
  margin: 0 0 1.25rem;
  text-align: center;
  position: relative;
}
.page-products__download-heading::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--accent, #F4A261);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}
.page-products__download-qr-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.page-products__qr-details {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}
.page-products__qr-summary {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}
.page-products__qr-summary::-webkit-details-marker {
  display: none;
}
.page-products__download-qr {
  display: block;
  width: 160px;
  height: auto;
  max-width: 100%;
  border: 2px solid var(--neutral-dark, #2B2D42);
  border-radius: 4px;
  transition: transform var(--transition, 0.25s ease);
}
.page-products__qr-summary:hover .page-products__download-qr {
  transform: scale(1.03);
}
.page-products__qr-hint {
  font-family: var(--font-mono, 'Consolas', monospace);
  font-size: 0.75rem;
  color: var(--primary, #E63946);
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px dashed var(--primary, #E63946);
  padding: 0.15rem 0.6rem;
  border-radius: 3px;
}
.page-products__qr-expanded {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--neutral-light, #F1FAEE);
  border-radius: var(--card-radius, 8px);
  border: 1px dashed var(--accent, #F4A261);
}
.page-products__qr-expanded-img {
  display: block;
  width: 240px;
  height: auto;
  max-width: 100%;
  border: 2px solid var(--secondary, #1D3557);
  border-radius: 4px;
}
.page-products__qr-expanded-text {
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 0.875rem;
  color: var(--neutral-dark, #2B2D42);
  text-align: center;
  margin: 0;
}
.page-products__download-action {
  text-align: center;
  margin: 1.25rem 0 1.5rem;
}
.page-products__download-btn {
  display: inline-block;
  font-family: var(--font-heading, 'Segoe UI', 'Arial Black', sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  background: var(--primary, #E63946);
  color: #fff;
  padding: 0.875rem 2.5rem;
  border-radius: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
  border: 2px solid var(--primary, #E63946);
  cursor: default;
  transition: background var(--transition, 0.25s ease), transform var(--transition, 0.25s ease);
  letter-spacing: 0.03em;
  box-shadow: 4px 4px 0 var(--accent, #F4A261);
}
.page-products__download-btn:hover {
  background: #c62d3a;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--accent, #F4A261);
}
.page-products__download-note {
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 0.8125rem;
  color: var(--neutral-dark, #2B2D42);
  margin: 0.75rem 0 0;
  opacity: 0.7;
}
.page-products__download-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.page-products__download-step:last-child {
  border-bottom: none;
}
.page-products__step-number {
  font-family: var(--font-mono, 'Consolas', monospace);
  font-size: 1rem;
  font-weight: 700;
  color: var(--step-color, #E63946);
  background: rgba(230, 57, 70, 0.08);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}
.page-products__step-text {
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 0.9375rem;
  color: var(--neutral-dark, #2B2D42);
  font-weight: 500;
}

/* 版本特点区 */
.page-products__local {
  background: var(--local-bg, #1D3557);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}
.page-products__local::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--accent, #F4A261);
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
}
.page-products__local .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-products__local-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}
.page-products__local-text {
  flex: 1 1 auto;
  min-width: 0;
}
.page-products__local-title {
  font-family: var(--font-heading, 'Segoe UI', 'Arial Black', sans-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--local-text-light, #F1FAEE);
  margin: 0 0 0.75rem;
}
.page-products__local-line {
  width: 60px;
  height: 3px;
  background: var(--accent, #F4A261);
  margin-bottom: 1.5rem;
  border-radius: 2px;
}
.page-products__local-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-products__local-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 1rem;
  color: var(--local-text-light, #F1FAEE);
  line-height: 1.6;
}
.page-products__local-icon {
  color: var(--accent, #F4A261);
  font-family: var(--font-mono, 'Consolas', monospace);
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
  line-height: 1.4;
}
.page-products__local-img-wrap {
  flex: 0 0 auto;
  width: 100%;
  max-width: 600px;
  border: 2px dashed var(--accent, #F4A261);
  border-radius: var(--card-radius, 8px);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}
.page-products__local-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* 相关链接 */
.page-products__links {
  padding: 2.5rem 0 3rem;
  background: #fff;
}
.page-products__links .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-products__links-heading {
  font-family: var(--font-heading, 'Segoe UI', 'Arial Black', sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary, #1D3557);
  margin: 0 0 1.5rem;
  text-align: center;
}
.page-products__links-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto;
}
.page-products__links-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  background: var(--neutral-light, #F1FAEE);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--card-radius, 8px);
  text-decoration: none;
  transition: background var(--transition, 0.25s ease), transform var(--transition, 0.25s ease);
  position: relative;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.page-products__links-item:hover {
  background: rgba(230, 57, 70, 0.06);
  transform: translateX(4px);
}
.page-products__links-icon {
  font-family: var(--font-mono, 'Consolas', monospace);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary, #E63946);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(230, 57, 70, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
}
.page-products__links-label {
  font-family: var(--font-body, 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 0.9375rem;
  color: var(--neutral-dark, #2B2D42);
  font-weight: 500;
  flex: 1 1 auto;
}
.page-products__links-arrow {
  font-family: var(--font-mono, 'Consolas', monospace);
  font-size: 1.1rem;
  color: var(--accent, #F4A261);
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition, 0.25s ease);
}
.page-products__links-item:hover .page-products__links-arrow {
  transform: translateX(3px);
}

/* ===== 桌面端 (min-width: 768px) ===== */
@media (min-width: 768px) {
  .page-products__breadcrumb {
    padding: 1.5rem 2rem 0;
  }
  .page-products__intro {
    padding: 2.5rem 0 2rem;
  }
  .page-products__intro .container {
    padding: 0 2rem;
  }
  .page-products__intro-title {
    font-size: 3.25rem;
  }
  .page-products__intro-desc {
    font-size: 1.0625rem;
  }

  .page-products__main .container {
    padding: 0 2rem;
  }
  .page-products__main-inner {
    flex-direction: row;
    gap: 2.5rem;
    align-items: flex-start;
  }
  .page-products__features {
    flex: 2 1 0%;
  }
  .page-products__download {
    flex: 1 1 0%;
    min-width: 280px;
    max-width: 380px;
    padding: 2rem 1.75rem 2.25rem;
    position: sticky;
    top: 2rem;
  }
  .page-products__download-qr {
    width: 180px;
  }
  .page-products__qr-expanded-img {
    width: 280px;
  }

  /* 卡片错落 */
  .page-products__card--alt {
    margin-left: 2.5rem;
    margin-right: -0.5rem;
  }

  .page-products__local {
    padding: 3.5rem 0;
  }
  .page-products__local .container {
    padding: 0 2rem;
  }
  .page-products__local-inner {
    flex-direction: row;
    gap: 3rem;
    align-items: center;
  }
  .page-products__local-text {
    flex: 1 1 0%;
  }
  .page-products__local-img-wrap {
    flex: 0 0 50%;
    max-width: 560px;
  }
  .page-products__local-title {
    font-size: 2rem;
  }

  .page-products__links {
    padding: 3rem 0 3.5rem;
  }
  .page-products__links .container {
    padding: 0 2rem;
  }
  .page-products__links-grid {
    flex-direction: row;
    max-width: 100%;
    justify-content: center;
    gap: 1rem;
  }
  .page-products__links-item {
    flex: 0 0 auto;
    min-width: 180px;
  }
}

/* ===== 大桌面 (min-width: 1024px) ===== */
@media (min-width: 1024px) {
  .page-products__intro-title {
    font-size: 3.75rem;
  }
  .page-products__features {
    flex: 2.2 1 0%;
  }
  .page-products__download {
    flex: 1 1 0%;
    max-width: 360px;
  }
  .page-products__card {
    flex-direction: row;
    align-items: stretch;
  }
  .page-products__card-img-wrap {
    width: 200px;
    min-height: 100%;
    flex-shrink: 0;
  }
  .page-products__card-img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }
  .page-products__card--alt .page-products__card-img {
    aspect-ratio: auto;
  }
  .page-products__card-body {
    flex: 1 1 auto;
    padding: 1.25rem 1.5rem;
  }
  .page-products__local-inner {
    gap: 4rem;
  }
  .page-products__local-img-wrap {
    flex: 0 0 45%;
  }
}