/* ===== 服务项目页专属样式 ===== */
.page-products {
  display: block;
  background-color: var(--color-light, #F5F5F5);
  color: var(--color-dark, #1A1A1A);
  font-family: var(--font-body, 'Helvetica Neue', '微软雅黑', sans-serif);
  padding: calc(var(--header-height, 68px) + 24px) 0 80px 0;
  min-height: 100vh;
}

/* 容器复用共享类，这里确保内部宽度 */
.page-products .container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 0 20px;
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--color-gray, #CCCCCC);
  margin-bottom: 28px;
  padding-top: 8px;
}

.page-products .breadcrumb a {
  color: var(--color-gray, #CCCCCC);
  text-decoration: none;
  transition: color var(--transition, 0.25s ease);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus {
  color: var(--color-primary, #FF4500);
}

.page-products .breadcrumb__sep {
  color: var(--color-gray-soft, #E0E0E0);
  user-select: none;
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--color-primary, #FF4500);
  font-weight: 400;
}

/* 标题区 */
.page-products__hero {
  margin-bottom: 48px;
}

.page-products__hero-title {
  font-family: var(--font-heading, 'Helvetica Neue', '黑体', sans-serif);
  font-weight: 100;
  font-size: 52px;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--color-primary, #FF4500);
  margin: 0 0 16px 0;
}

.page-products__hero-desc {
  font-size: 18px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-dark, #1A1A1A);
  max-width: 680px;
  margin: 0;
}

/* 主内容区：卡片 + 注册条幅 */
.page-products__main {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-bottom: 60px;
}

/* 卡片容器 */
.page-products__cards {
  display: flex;
  flex-direction: column;
  gap: 36px;
  flex: 1;
}

/* 单张卡片 */
.page-products__card {
  background-color: var(--color-dark, #1A1A1A);
  border: 2px solid var(--color-primary, #FF4500);
  border-radius: var(--radius-md, 12px);
  padding: 28px 24px 24px 24px;
  position: relative;
  transition: transform var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
  width: 100%;
}

.page-products__card:hover {
  box-shadow: var(--shadow-md, 0 4px 20px rgba(0,0,0,0.4));
}

/* 卡片编号 */
.page-products__card-index {
  font-family: var(--font-heading, 'Helvetica Neue', '黑体', sans-serif);
  font-weight: 100;
  font-size: 56px;
  line-height: 1;
  color: var(--color-primary, #FF4500);
  opacity: 0.6;
  display: block;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

/* 卡片内文字与图片并排 */
.page-products__card-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 卡片文字区 */
.page-products__card-text {
  flex: 1;
}

.page-products__card-title {
  font-family: var(--font-heading, 'Helvetica Neue', '黑体', sans-serif);
  font-weight: 200;
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--color-light, #F5F5F5);
  margin: 0 0 10px 0;
}

.page-products__card-desc {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-gray-soft, #E0E0E0);
  margin: 0 0 16px 0;
}

/* 数据亮点数字 */
.page-products__card-figure {
  display: inline-block;
  font-family: var(--font-data, Arial, Helvetica, sans-serif);
  font-weight: 700;
  font-size: 30px;
  color: var(--color-primary, #FF4500);
  line-height: 1.2;
  margin-bottom: 14px;
  transition: opacity var(--transition, 0.25s ease);
}

.page-products__card-figure:hover {
  animation: page-products-pulse 0.6s ease-in-out 2;
}

@keyframes page-products-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* 卡片中的高亮数字（如30项） */
.page-products__card-highlight {
  font-family: var(--font-data, Arial, Helvetica, sans-serif);
  font-weight: 700;
  font-size: inherit;
  color: var(--color-primary, #FF4500);
}

/* 了解详情按钮 */
.page-products__card-trigger {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--color-primary, #FF4500);
  color: var(--color-primary, #FF4500);
  font-family: var(--font-body, 'Helvetica Neue', '微软雅黑', sans-serif);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  padding: 8px 20px;
  border-radius: var(--radius-lg, 30px);
  cursor: pointer;
  transition: background-color var(--transition, 0.25s ease), color var(--transition, 0.25s ease);
}

.page-products__card-trigger:hover,
.page-products__card-trigger:focus {
  background-color: var(--color-primary, #FF4500);
  color: var(--color-light, #F5F5F5);
}

/* 卡片图片 */
.page-products__card-image {
  flex-shrink: 0;
}

.page-products__img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm, 6px);
  object-fit: cover;
  background-color: var(--color-dark-soft, rgba(26,26,26,0.92));
}

/* 展开详情 */
.page-products__card-detail {
  display: none;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--color-gray, #CCCCCC);
}

.page-products__card[data-open="true"] .page-products__card-detail {
  display: block;
}

.page-products__detail-text {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-gray-soft, #E0E0E0);
  margin: 0 0 12px 0;
}

.page-products__detail-link {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-primary, #FF4500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, 0.25s ease);
}

.page-products__detail-link:hover,
.page-products__detail-link:focus {
  border-bottom-color: var(--color-primary, #FF4500);
}

/* 注册条幅 */
.page-products__register {
  background-color: var(--color-green, #00CC66);
  border-radius: var(--radius-md, 12px);
  padding: 28px 20px 32px 20px;
  width: 100%;
  flex-shrink: 0;
}

.page-products__register-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.page-products__register-title {
  font-family: var(--font-heading, 'Helvetica Neue', '黑体', sans-serif);
  font-weight: 200;
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--color-dark, #1A1A1A);
  margin: 0;
}

.page-products__register-desc {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-dark, #1A1A1A);
  max-width: 320px;
  margin: 0;
}

.page-products__register-image {
  width: 120px;
  height: 120px;
  overflow: hidden;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-products__img--round {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.page-products__register-btn {
  display: inline-block;
  background-color: var(--color-dark, #1A1A1A);
  color: var(--color-light, #F5F5F5);
  font-family: var(--font-body, 'Helvetica Neue', '微软雅黑', sans-serif);
  font-size: 16px;
  font-weight: 500;
  padding: 12px 36px;
  border-radius: var(--radius-lg, 30px);
  text-decoration: none;
  transition: background-color var(--transition, 0.25s ease), transform var(--transition, 0.25s ease);
  border: none;
  cursor: pointer;
}

.page-products__register-btn:hover,
.page-products__register-btn:focus {
  background-color: var(--color-primary-hover, #E03D00);
  transform: scale(1.03);
}

/* 进度条（悬停动画） */
.page-products__register-progress {
  width: 100%;
  max-width: 200px;
  height: 4px;
  background-color: rgba(26,26,26,0.15);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  margin-top: 4px;
}

.page-products__register-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background-color: var(--color-dark, #1A1A1A);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.page-products__register:hover .page-products__register-progress::after {
  width: 100%;
}

/* 桌面端界面示意区 */
.page-products__interface {
  margin: 60px 0 40px 0;
  padding: 40px 0 0 0;
}

.page-products__interface-title {
  font-family: var(--font-heading, 'Helvetica Neue', '黑体', sans-serif);
  font-weight: 200;
  font-size: 28px;
  letter-spacing: -0.01em;
  color: var(--color-dark, #1A1A1A);
  margin: 0 0 20px 0;
}

.page-products__interface-image {
  background-color: var(--color-dark, #1A1A1A);
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  padding: 12px;
}

.page-products__img--wide {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm, 6px);
  object-fit: cover;
  background-color: var(--color-dark-soft, rgba(26,26,26,0.92));
}

.page-products__interface-desc {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-dark, #1A1A1A);
  margin: 16px 0 0 0;
  max-width: 600px;
}

/* 注册详情锚点区 */
.page-products__register-info {
  margin-top: 48px;
  padding: 32px 0;
  border-top: 2px solid var(--color-gray-soft, #E0E0E0);
  text-align: center;
}

.page-products__register-info-title {
  font-family: var(--font-heading, 'Helvetica Neue', '黑体', sans-serif);
  font-weight: 200;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--color-dark, #1A1A1A);
  margin: 0 0 12px 0;
}

.page-products__register-info-desc {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-dark, #1A1A1A);
  max-width: 480px;
  margin: 0 auto 20px auto;
}

.page-products__register-info-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.page-products__info-link {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-primary, #FF4500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, 0.25s ease);
}

.page-products__info-link:hover,
.page-products__info-link:focus {
  border-bottom-color: var(--color-primary, #FF4500);
}

/* ===== 桌面端增强（≥768px） ===== */
@media (min-width: 768px) {
  .page-products .container {
    padding: 0 32px;
  }

  .page-products__hero-title {
    font-size: 64px;
  }

  .page-products__hero-desc {
    font-size: 19px;
  }

  .page-products__main {
    flex-direction: row;
    align-items: stretch;
    gap: 40px;
  }

  .page-products__cards {
    gap: 48px;
  }

  /* 对角线递进：卡片错位 */
  .page-products__card--1 {
    align-self: flex-start;
    margin-right: 10%;
  }

  .page-products__card--2 {
    align-self: flex-end;
    margin-left: 10%;
  }

  .page-products__card--3 {
    align-self: center;
    margin-right: 5%;
  }

  .page-products__card {
    padding: 36px 32px 28px 32px;
    width: auto;
    max-width: 580px;
  }

  .page-products__card-inner {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-products__card-image {
    width: 200px;
    flex-shrink: 0;
  }

  .page-products__card-index {
    font-size: 68px;
  }

  .page-products__card-title {
    font-size: 28px;
  }

  .page-products__register {
    width: 260px;
    padding: 32px 20px 36px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-products__register-title {
    font-size: 28px;
  }

  .page-products__register-image {
    width: 140px;
    height: 140px;
  }

  .page-products__interface {
    padding: 48px 0 0 0;
  }

  .page-products__interface-title {
    font-size: 32px;
  }

  .page-products__register-info-title {
    font-size: 26px;
  }
}

/* ===== 大桌面端（≥1024px） ===== */
@media (min-width: 1024px) {
  .page-products .container {
    padding: 0 40px;
  }

  .page-products__card {
    padding: 40px 40px 32px 40px;
    max-width: 640px;
  }

  .page-products__card-image {
    width: 220px;
  }

  .page-products__register {
    width: 280px;
    padding: 40px 24px 44px 24px;
  }

  .page-products__register-image {
    width: 160px;
    height: 160px;
  }
}

/* ===== 小屏适配（≤480px） ===== */
@media (max-width: 480px) {
  .page-products .container {
    padding: 0 14px;
  }

  .page-products__hero-title {
    font-size: 34px;
  }

  .page-products__hero-desc {
    font-size: 15px;
  }

  .page-products__card {
    padding: 20px 16px 20px 16px;
  }

  .page-products__card-index {
    font-size: 40px;
  }

  .page-products__card-title {
    font-size: 22px;
  }

  .page-products__card-figure {
    font-size: 24px;
  }

  .page-products__register {
    padding: 24px 16px 28px 16px;
  }

  .page-products__register-image {
    width: 100px;
    height: 100px;
  }

  .page-products__interface-title {
    font-size: 22px;
  }

  .page-products__register-info-title {
    font-size: 20px;
  }
}