.page-products {
  --card-radius: var(--radius-md);
  --card-bg: var(--color-white);
  --card-shadow: var(--shadow-card);
  --card-shadow-hover: var(--shadow-card-hover);
  --card-transition: var(--transition-base);
}

.page-products .breadcrumb {
  padding: 16px 0 8px;
  font-family: var(--font-accent);
  font-size: 0.875rem;
  color: var(--color-text);
}

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

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

.page-products .breadcrumb-sep {
  margin: 0 8px;
  color: var(--color-border);
}

.page-products .hero {
  text-align: left;
  padding: 48px 0 32px;
}

.page-products .hero-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0 0 12px;
  line-height: 1.2;
}

.page-products .hero-sub {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: var(--color-text);
  margin: 0;
  max-width: 640px;
  line-height: 1.6;
}

/* ---- 服务网格 ---- */
.page-products .services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-bottom: 64px;
}

/* ---- 通用服务卡片 ---- */
.page-products .service-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 24px;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--card-transition), border-color var(--card-transition);
}

.page-products .service-card:hover {
  box-shadow: var(--card-shadow-hover);
  border-color: var(--color-primary);
}

.page-products .card-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0 0 16px;
}

/* ---- 登录卡片 ---- */
.page-products .login-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: linear-gradient(135deg, var(--color-bg) 0%, #e6f2ed 100%);
  border-left: 4px solid var(--color-primary);
}

.page-products .card-img.phone-mock {
  width: 100%;
  height: auto;
  max-width: 200px;
  display: block;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin: 0 auto;
}

.page-products .card-body {
  flex: 1;
}

.page-products .login-channels {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 16px 0;
}

.page-products .channel {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .channel-label {
  font-family: var(--font-accent);
  font-weight: 600;
  color: var(--color-heading);
  font-size: 0.875rem;
}

.page-products .safety-note {
  font-size: 0.875rem;
  color: var(--color-text);
  background: var(--color-primary-transparent);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  margin: 8px 0 0;
}

/* ---- 下载卡片 ---- */
.page-products .download-card {
  background: linear-gradient(135deg, var(--color-bg) 0%, #fcf4e8 100%);
  border-left: 4px solid var(--color-accent);
}

.page-products .download-options {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-products .download-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.page-products .qr-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.page-products .download-info {
  text-align: center;
}

.page-products .platform-tag {
  display: inline-block;
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  background: var(--color-white);
  padding: 2px 8px;
  border: 1px solid var(--color-accent);
  border-radius: 20px;
  margin-bottom: 4px;
}

/* ---- 变更说明卡片 ---- */
.page-products .changelog-card {
  background: var(--color-bg);
  border-left: 4px solid var(--color-deep);
}

.page-products .changelog-deco {
  width: 100%;
  height: auto;
  max-width: 500px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin: 0 0 16px;
}

.page-products .changelog-list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.page-products .changelog-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.page-products .changelog-list li:last-child {
  border-bottom: none;
}

.page-products .changelog-date {
  flex-shrink: 0;
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
  min-width: 70px;
}

.page-products .changelog-entry {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* ---- 服务索引卡片 ---- */
.page-products .index-card {
  background: linear-gradient(135deg, #eef6f3 0%, var(--color-bg) 100%);
  border-left: 4px solid var(--color-primary);
}

.page-products .index-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .index-col-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.page-products .index-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .index-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.page-products .index-list li:last-child {
  border-bottom: none;
}

.page-products .index-icon {
  width: 64px;
  height: 64px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--color-primary-transparent);
  padding: 4px;
}

.page-products .index-list strong {
  display: block;
  font-family: var(--font-heading);
  color: var(--color-heading);
  font-size: 1rem;
}

.page-products .index-list p {
  margin: 2px 0 4px;
  font-size: 0.875rem;
  color: var(--color-text);
}

.page-products .btn-link {
  display: inline-block;
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--card-transition);
}

.page-products .btn-link:hover {
  border-color: var(--color-primary);
}

/* ---- 自助修复卡片 ---- */
.page-products .help-card {
  background: linear-gradient(135deg, var(--color-bg) 0%, #f5f0e6 100%);
  border-left: 4px solid var(--color-accent);
  text-align: left;
}

.page-products .help-flow {
  width: 100%;
  height: auto;
  max-width: 300px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin: 0 auto 16px;
  display: block;
}

.page-products .help-steps {
  padding-left: 24px;
  margin: 16px 0;
}

.page-products .help-steps li {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 8px;
}

/* ---- 桌面端布局 ---- */
@media (min-width: 768px) {
  .page-products .services-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .login-card {
    grid-column: 1 / 2;
    flex-direction: row;
  }

  .page-products .download-card {
    grid-column: 2 / 3;
  }

  .page-products .changelog-card {
    grid-column: 1 / 2;
  }

  .page-products .index-card {
    grid-column: 2 / 3;
  }

  .page-products .help-card {
    grid-column: 1 / 3;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  .page-products .help-card .card-heading {
    width: 100%;
  }

  .page-products .help-flow {
    margin: 0;
    flex-shrink: 0;
  }

  .page-products .help-card p,
  .page-products .help-steps,
  .page-products .help-card .btn-cta {
    flex: 1;
  }

  .page-products .download-options {
    flex-direction: row;
    gap: 16px;
  }

  .page-products .download-item {
    flex: 1;
    flex-direction: row;
    text-align: left;
  }

  .page-products .index-columns {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .page-products .hero-title {
    font-size: 2.75rem;
  }
}

@media (min-width: 1024px) {
  .page-products .services-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-products .login-card {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
  }

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

  .page-products .changelog-card {
    grid-column: 1 / 2;
    grid-row: 2 / 4;
  }

  .page-products .index-card {
    grid-column: 2 / 3;
    grid-row: 2 / 4;
  }

  .page-products .help-card {
    grid-column: 1 / 4;
    grid-row: 4 / 5;
  }
}

/* ---- 通用按钮重定义 ---- */
.page-products .btn {
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-block;
  cursor: default;
  transition: background var(--card-transition), color var(--card-transition), border-color var(--card-transition);
}

.page-products .btn-outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.page-products .btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.page-products .btn-accent {
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
  color: var(--color-white);
}

.page-products .btn-accent:hover {
  background: #d4923a;
  border-color: #d4923a;
}

.page-products .btn-cta {
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
  color: var(--color-white);
  padding: 12px 28px;
  font-size: 1rem;
}

.page-products .btn-cta:hover {
  background: #d4923a;
  border-color: #d4923a;
}

.page-products .btn-sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

/* ---- 标签 ---- */
.page-products .tag-accent {
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 0.75rem;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: 20px;
}