/* ===== 页面专属 CSS：.page-products 作用域 ===== */
.page-products {
  --page-bg: #0D0D0D;
  --page-card-bg: #F5E6CC;
  --page-accent: #FF4500;
  --page-gold: #FFD700;
  --page-text: #FFFFFF;
  --page-text-soft: #A0A0A0;
  --page-text-dark: #1A1A1A;
  --page-font-heading: 'Orbitron', 'Titillium Web', sans-serif;
  --page-font-body: 'Noto Sans SC', system-ui, sans-serif;
  --page-content-width: 960px;
  --page-gap-section: 4rem;
  --page-card-radius: 6px;
  --page-border-width: 2px;
  display: block;
  width: 100%;
  background-color: var(--page-bg);
  color: var(--page-text);
  font-family: var(--page-font-body);
  line-height: 1.6;
}

/* 容器 */
.page-products .page-products__container {
  max-width: var(--page-content-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ===== 面包屑 ===== */
.page-products .page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--page-text-soft);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.page-products .page-products__breadcrumb-link {
  color: var(--page-accent);
  text-decoration: none;
  transition: color 0.25s ease;
}
.page-products .page-products__breadcrumb-link:hover {
  color: var(--page-gold);
}
.page-products .page-products__breadcrumb-sep {
  color: var(--page-text-soft);
  opacity: 0.5;
}
.page-products .page-products__breadcrumb-current {
  color: var(--page-text-soft);
  font-weight: 500;
}

/* ===== 主题声明 ===== */
.page-products .page-products__intro {
  margin-bottom: 3.5rem;
  border-left: var(--page-border-width) solid var(--page-accent);
  padding-left: 1.25rem;
}
.page-products .page-products__intro-title {
  font-family: var(--page-font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--page-text);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.page-products .page-products__intro-desc {
  font-size: 1rem;
  color: var(--page-text-soft);
  max-width: 600px;
  margin: 0;
}

/* ===== 通用章节 ===== */
.page-products .page-products__section {
  margin-bottom: var(--page-gap-section);
}
.page-products .page-products__section--wide {
  background-color: var(--page-card-bg);
  color: var(--page-text-dark);
  border-radius: var(--page-card-radius);
  padding: 1.75rem 1.5rem 2rem;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  position: relative;
}

/* ===== 卡片翻转 ===== */
.page-products .card-flip {
  perspective: 1200px;
  width: 100%;
  min-height: 280px;
}
.page-products .card-flip__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  transform-style: preserve-3d;
}
.page-products .card-flip:hover .card-flip__inner {
  transform: rotateY(180deg);
}
.page-products .card-flip__front,
.page-products .card-flip__back {
  position: relative;
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--page-card-radius);
  background-color: var(--page-card-bg);
  color: var(--page-text-dark);
  padding: 1.5rem 1.25rem 1.25rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  border: var(--page-border-width) solid rgba(255,69,0,0.25);
  display: flex;
  flex-direction: column;
}
.page-products .card-flip__front {
  z-index: 2;
}
.page-products .card-flip__back {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  transform: rotateY(180deg);
  z-index: 1;
  justify-content: center;
  align-items: flex-start;
  gap: 1rem;
}
.page-products .card-flip__back-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0 0 0.75rem;
}

/* ===== 卡片内容 ===== */
.page-products .page-products__card-number {
  font-family: var(--page-font-heading);
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--page-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
  display: block;
}
.page-products .page-products__card-number--lg {
  font-size: 3.5rem;
  display: inline-block;
  margin-right: 0.75rem;
}
.page-products .page-products__card-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1rem;
  display: block;
}
.page-products .page-products__card-title {
  font-family: var(--page-font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--page-text-dark);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}
.page-products .page-products__card-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--page-text-dark);
  margin: 0;
  opacity: 0.85;
}
.page-products .page-products__card-link {
  align-self: flex-start;
  margin-top: auto;
  font-size: 0.875rem;
  padding: 0.45rem 1.1rem;
  background-color: var(--page-accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  font-family: var(--page-font-body);
  font-weight: 600;
  transition: background-color 0.25s ease, transform 0.2s ease;
}
.page-products .page-products__card-link:hover {
  background-color: #cc3700;
  transform: translateY(-1px);
}
.page-products .page-products__card-link.btn-outline {
  background: transparent;
  border: 1.5px solid var(--page-accent);
  color: var(--page-accent);
}
.page-products .page-products__card-link.btn-outline:hover {
  background: var(--page-accent);
  color: #fff;
}

/* ===== FH专区头部 ===== */
.page-products .page-products__fh-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1.25rem;
}
.page-products .page-products__fh-title {
  font-family: var(--page-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--page-text-dark);
  margin: 0;
  letter-spacing: 0.02em;
}
.page-products .page-products__fh-tag {
  background-color: var(--page-gold);
  color: var(--page-text-dark);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.page-products .page-products__fh-hero {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  display: block;
}

/* ===== 数据看板 ===== */
.page-products .page-products__fh-dashboard {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: rgba(0,0,0,0.04);
  border-radius: 6px;
}
.page-products .page-products__dashboard-gauge {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 140px;
}
.page-products .page-products__gauge-svg {
  width: 120px;
  height: 120px;
  overflow: visible;
}
.page-products .page-products__gauge-track {
  stroke: #d5c9b5;
}
.page-products .page-products__gauge-fill {
  stroke: var(--page-accent);
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
  transition: stroke-dashoffset 1.2s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.page-products .page-products__gauge-number {
  font-family: var(--page-font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--page-accent);
  line-height: 1;
  margin-top: -0.25rem;
}
.page-products .page-products__gauge-label {
  font-size: 0.75rem;
  color: var(--page-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}
.page-products .page-products__dashboard-meta {
  flex: 1;
  min-width: 180px;
}
.page-products .page-products__dashboard-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--page-text-dark);
  margin: 0 0 0.75rem;
}
.page-products .page-products__dashboard-link {
  font-size: 0.8125rem;
  padding: 0.35rem 0.9rem;
}

/* ===== 时间轴 ===== */
.page-products .page-products__timeline {
  position: relative;
  padding: 1.5rem 0 0.5rem;
  margin-top: 0.5rem;
}
.page-products .page-products__timeline-bg {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.15;
  transform: translateY(-50%);
  pointer-events: none;
  border-radius: 4px;
}
.page-products .page-products__timeline-track {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 1;
  gap: 1rem;
}
.page-products .page-products__timeline-track::before {
  content: '';
  position: absolute;
  top: 1rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--page-accent);
  opacity: 0.4;
  z-index: 0;
}
.page-products .page-products__timeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
}
.page-products .page-products__timeline-node::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--page-accent);
  border: 3px solid var(--page-card-bg);
  box-shadow: 0 0 0 2px var(--page-accent);
  margin-bottom: 0.5rem;
}
.page-products .page-products__timeline-date {
  font-family: var(--page-font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--page-accent);
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
}
.page-products .page-products__timeline-event {
  font-size: 0.8125rem;
  color: var(--page-text-dark);
  opacity: 0.85;
  max-width: 120px;
  line-height: 1.4;
}

/* ===== 平台架构 ===== */
.page-products .page-products__arch {
  margin-top: 2.5rem;
  padding: 2rem 0 0.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.page-products .page-products__arch-title {
  font-family: var(--page-font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--page-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 1.25rem;
}
.page-products .page-products__arch-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 1rem;
  display: block;
}
.page-products .page-products__arch-desc {
  font-size: 0.875rem;
  color: var(--page-text-soft);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-products .page-products__container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .page-products .page-products__intro-title {
    font-size: 2.75rem;
  }
  .page-products .page-products__card-flip {
    min-height: 300px;
  }
  .page-products .card-flip__front,
  .page-products .card-flip__back {
    padding: 2rem 1.75rem 1.5rem;
  }
  .page-products .page-products__card-number {
    font-size: 3.25rem;
  }
  .page-products .page-products__card-title {
    font-size: 1.35rem;
  }
  .page-products .page-products__fh-dashboard {
    flex-wrap: nowrap;
    padding: 1.5rem;
  }
  .page-products .page-products__gauge-number {
    font-size: 3rem;
  }
  .page-products .page-products__timeline-track {
    gap: 2rem;
  }
  .page-products .page-products__timeline-event {
    max-width: 160px;
  }
}

@media (min-width: 960px) {
  .page-products .page-products__container {
    padding-top: 3rem;
    padding-bottom: 5rem;
  }
  .page-products .page-products__intro {
    margin-bottom: 4.5rem;
    padding-left: 2rem;
  }
  .page-products .page-products__intro-title {
    font-size: 3.25rem;
  }
  .page-products .page-products__intro-desc {
    font-size: 1.0625rem;
  }
  .page-products .page-products__section {
    margin-bottom: 5rem;
  }
  .page-products .page-products__section--wide {
    padding: 2.5rem 2.5rem 3rem;
  }
  .page-products .card-flip {
    min-height: 320px;
  }
  .page-products .card-flip__front,
  .page-products .card-flip__back {
    padding: 2.25rem 2rem 1.75rem;
  }
  .page-products .page-products__card-number {
    font-size: 3.75rem;
  }
  .page-products .page-products__card-number--lg {
    font-size: 4rem;
  }
  .page-products .page-products__card-img {
    max-width: 250px;
  }
  .page-products .card-flip__front {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    align-items: flex-start;
  }
  .page-products .card-flip__front .page-products__card-number {
    width: 100%;
  }
  .page-products .card-flip__front .page-products__card-img {
    width: 250px;
    flex-shrink: 0;
    margin-bottom: 0;
  }
  .page-products .card-flip__front .page-products__card-title {
    width: calc(100% - 280px);
    flex-shrink: 0;
    margin-top: 0.25rem;
  }
  .page-products .card-flip__front .page-products__card-desc {
    width: calc(100% - 280px);
    flex-shrink: 0;
  }
  .page-products .page-products__gauge-svg {
    width: 140px;
    height: 140px;
  }
  .page-products .page-products__gauge-number {
    font-size: 3.5rem;
  }
  .page-products .page-products__timeline-track::before {
    top: 1.25rem;
  }
  .page-products .page-products__timeline-node::before {
    width: 18px;
    height: 18px;
  }
  .page-products .page-products__timeline-date {
    font-size: 0.9375rem;
  }
  .page-products .page-products__timeline-event {
    font-size: 0.875rem;
    max-width: 200px;
  }
  .page-products .page-products__arch {
    margin-top: 3.5rem;
  }
  .page-products .page-products__arch-title {
    font-size: 1.125rem;
  }
}

/* ===== 移动端优化：防止横向溢出 ===== */
@media (max-width: 480px) {
  .page-products .page-products__container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .page-products .page-products__intro-title {
    font-size: 1.75rem;
  }
  .page-products .page-products__card-number {
    font-size: 2.25rem;
  }
  .page-products .page-products__card-number--lg {
    font-size: 2.75rem;
  }
  .page-products .page-products__fh-dashboard {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .page-products .page-products__dashboard-meta {
    text-align: center;
  }
  .page-products .page-products__dashboard-link {
    align-self: center;
  }
  .page-products .card-flip {
    min-height: auto;
  }
  .page-products .card-flip__back {
    position: relative;
    transform: none;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
    margin-top: 0.5rem;
    display: block;
    border-top: 1px solid rgba(0,0,0,0.08);
  }
  .page-products .card-flip:hover .card-flip__inner {
    transform: none;
  }
  .page-products .card-flip[data-expanded] .card-flip__back {
    display: block;
  }
  .page-products .page-products__timeline-track {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    padding-left: 1.5rem;
  }
  .page-products .page-products__timeline-track::before {
    top: 0;
    bottom: 0;
    left: 0.5rem;
    width: 2px;
    height: 100%;
  }
  .page-products .page-products__timeline-node {
    flex-direction: row;
    gap: 0.75rem;
    align-items: center;
    text-align: left;
  }
  .page-products .page-products__timeline-node::before {
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .page-products .page-products__timeline-date {
    margin-bottom: 0;
    min-width: 3.5rem;
  }
  .page-products .page-products__timeline-event {
    max-width: none;
  }
  .page-products .page-products__arch-img {
    width: 100%;
  }
}
/* ===== 按钮基础样式复用（作用域内） ===== */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--page-font-body);
  font-weight: 600;
  border-radius: 4px;
  cursor: default;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
  text-decoration: none;
  line-height: 1.4;
}
.page-products .btn-primary {
  background-color: var(--page-accent);
  color: #fff;
  border: 1.5px solid var(--page-accent);
}
.page-products .btn-primary:hover {
  background-color: #cc3700;
  border-color: #cc3700;
}
.page-products .btn-outline {
  background: transparent;
  color: var(--page-accent);
  border: 1.5px solid var(--page-accent);
}
.page-products .btn-outline:hover {
  background: var(--page-accent);
  color: #fff;
}
/* ===== 标签复用 ===== */
.page-products .label-tag {
  display: inline-block;
  font-family: var(--page-font-body);
  font-weight: 700;
  border-radius: 3px;
  line-height: 1.3;
}
</style>

/* ===== 页面专属 CSS：.page-products 作用域 ===== */
.page-products {
  --page-bg: #0D0D0D;
  --page-card-bg: #F5E6CC;
  --page-accent: #FF4500;
  --page-gold: #FFD700;
  --page-text: #FFFFFF;
  --page-text-soft: #A0A0A0;
  --page-text-dark: #1A1A1A;
  --page-font-heading: 'Orbitron', 'Titillium Web', sans-serif;
  --page-font-body: 'Noto Sans SC', system-ui, sans-serif;
  --page-content-width: 960px;
  --page-gap-section: 4rem;
  --page-card-radius: 6px;
  --page-border-width: 2px;
  display: block;
  width: 100%;
  background-color: var(--page-bg);
  color: var(--page-text);
  font-family: var(--page-font-body);
  line-height: 1.6;
}

/* 容器 */
.page-products .page-products__container {
  max-width: var(--page-content-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ===== 面包屑 ===== */
.page-products .page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--page-text-soft);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.page-products .page-products__breadcrumb-link {
  color: var(--page-accent);
  text-decoration: none;
  transition: color 0.25s ease;
}
.page-products .page-products__breadcrumb-link:hover {
  color: var(--page-gold);
}
.page-products .page-products__breadcrumb-sep {
  color: var(--page-text-soft);
  opacity: 0.5;
}
.page-products .page-products__breadcrumb-current {
  color: var(--page-text-soft);
  font-weight: 500;
}

/* ===== 主题声明 ===== */
.page-products .page-products__intro {
  margin-bottom: 3.5rem;
  border-left: var(--page-border-width) solid var(--page-accent);
  padding-left: 1.25rem;
}
.page-products .page-products__intro-title {
  font-family: var(--page-font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--page-text);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.page-products .page-products__intro-desc {
  font-size: 1rem;
  color: var(--page-text-soft);
  max-width: 600px;
  margin: 0;
}

/* ===== 通用章节 ===== */
.page-products .page-products__section {
  margin-bottom: var(--page-gap-section);
}
.page-products .page-products__section--wide {
  background-color: var(--page-card-bg);
  color: var(--page-text-dark);
  border-radius: var(--page-card-radius);
  padding: 1.75rem 1.5rem 2rem;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  position: relative;
}

/* ===== 卡片翻转 ===== */
.page-products .card-flip {
  perspective: 1200px;
  width: 100%;
  min-height: 280px;
}
.page-products .card-flip__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  transform-style: preserve-3d;
}
.page-products .card-flip:hover .card-flip__inner {
  transform: rotateY(180deg);
}
.page-products .card-flip__front,
.page-products .card-flip__back {
  position: relative;
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--page-card-radius);
  background-color: var(--page-card-bg);
  color: var(--page-text-dark);
  padding: 1.5rem 1.25rem 1.25rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  border: var(--page-border-width) solid rgba(255,69,0,0.25);
  display: flex;
  flex-direction: column;
}
.page-products .card-flip__front {
  z-index: 2;
}
.page-products .card-flip__back {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  transform: rotateY(180deg);
  z-index: 1;
  justify-content: center;
  align-items: flex-start;
  gap: 1rem;
}
.page-products .card-flip__back-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0 0 0.75rem;
}

/* ===== 卡片内容 ===== */
.page-products .page-products__card-number {
  font-family: var(--page-font-heading);
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--page-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
  display: block;
}
.page-products .page-products__card-number--lg {
  font-size: 3.5rem;
  display: inline-block;
  margin-right: 0.75rem;
}
.page-products .page-products__card-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1rem;
  display: block;
}
.page-products .page-products__card-title {
  font-family: var(--page-font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--page-text-dark);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}
.page-products .page-products__card-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--page-text-dark);
  margin: 0;
  opacity: 0.85;
}
.page-products .page-products__card-link {
  align-self: flex-start;
  margin-top: auto;
  font-size: 0.875rem;
  padding: 0.45rem 1.1rem;
  background-color: var(--page-accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  font-family: var(--page-font-body);
  font-weight: 600;
  transition: background-color 0.25s ease, transform 0.2s ease;
}
.page-products .page-products__card-link:hover {
  background-color: #cc3700;
  transform: translateY(-1px);
}
.page-products .page-products__card-link.btn-outline {
  background: transparent;
  border: 1.5px solid var(--page-accent);
  color: var(--page-accent);
}
.page-products .page-products__card-link.btn-outline:hover {
  background: var(--page-accent);
  color: #fff;
}

/* ===== FH专区头部 ===== */
.page-products .page-products__fh-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1.25rem;
}
.page-products .page-products__fh-title {
  font-family: var(--page-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--page-text-dark);
  margin: 0;
  letter-spacing: 0.02em;
}
.page-products .page-products__fh-tag {
  background-color: var(--page-gold);
  color: var(--page-text-dark);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.page-products .page-products__fh-hero {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  display: block;
}

/* ===== 数据看板 ===== */
.page-products .page-products__fh-dashboard {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: rgba(0,0,0,0.04);
  border-radius: 6px;
}
.page-products .page-products__dashboard-gauge {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 140px;
}
.page-products .page-products__gauge-svg {
  width: 120px;
  height: 120px;
  overflow: visible;
}
.page-products .page-products__gauge-track {
  stroke: #d5c9b5;
}
.page-products .page-products__gauge-fill {
  stroke: var(--page-accent);
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
  transition: stroke-dashoffset 1.2s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.page-products .page-products__gauge-number {
  font-family: var(--page-font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--page-accent);
  line-height: 1;
  margin-top: -0.25rem;
}
.page-products .page-products__gauge-label {
  font-size: 0.75rem;
  color: var(--page-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}
.page-products .page-products__dashboard-meta {
  flex: 1;
  min-width: 180px;
}
.page-products .page-products__dashboard-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--page-text-dark);
  margin: 0 0 0.75rem;
}
.page-products .page-products__dashboard-link {
  font-size: 0.8125rem;
  padding: 0.35rem 0.9rem;
}

/* ===== 时间轴 ===== */
.page-products .page-products__timeline {
  position: relative;
  padding: 1.5rem 0 0.5rem;
  margin-top: 0.5rem;
}
.page-products .page-products__timeline-bg {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.15;
  transform: translateY(-50%);
  pointer-events: none;
  border-radius: 4px;
}
.page-products .page-products__timeline-track {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 1;
  gap: 1rem;
}
.page-products .page-products__timeline-track::before {
  content: '';
  position: absolute;
  top: 1rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--page-accent);
  opacity: 0.4;
  z-index: 0;
}
.page-products .page-products__timeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
}
.page-products .page-products__timeline-node::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--page-accent);
  border: 3px solid var(--page-card-bg);
  box-shadow: 0 0 0 2px var(--page-accent);
  margin-bottom: 0.5rem;
}
.page-products .page-products__timeline-date {
  font-family: var(--page-font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--page-accent);
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
}
.page-products .page-products__timeline-event {
  font-size: 0.8125rem;
  color: var(--page-text-dark);
  opacity: 0.85;
  max-width: 120px;
  line-height: 1.4;
}

/* ===== 平台架构 ===== */
.page-products .page-products__arch {
  margin-top: 2.5rem;
  padding: 2rem 0 0.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.page-products .page-products__arch-title {
  font-family: var(--page-font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--page-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 1.25rem;
}
.page-products .page-products__arch-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 1rem;
  display: block;
}
.page-products .page-products__arch-desc {
  font-size: 0.875rem;
  color: var(--page-text-soft);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-products .page-products__container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .page-products .page-products__intro-title {
    font-size: 2.75rem;
  }
  .page-products .page-products__card-flip {
    min-height: 300px;
  }
  .page-products .card-flip__front,
  .page-products .card-flip__back {
    padding: 2rem 1.75rem 1.5rem;
  }
  .page-products .page-products__card-number {
    font-size: 3.25rem;
  }
  .page-products .page-products__card-title {
    font-size: 1.35rem;
  }
  .page-products .page-products__fh-dashboard {
    flex-wrap: nowrap;
    padding: 1.5rem;
  }
  .page-products .page-products__gauge-number {
    font-size: 3rem;
  }
  .page-products .page-products__timeline-track {
    gap: 2rem;
  }
  .page-products .page-products__timeline-event {
    max-width: 160px;
  }
}

@media (min-width: 960px) {
  .page-products .page-products__container {
    padding-top: 3rem;
    padding-bottom: 5rem;
  }
  .page-products .page-products__intro {
    margin-bottom: 4.5rem;
    padding-left: 2rem;
  }
  .page-products .page-products__intro-title {
    font-size: 3.25rem;
  }
  .page-products .page-products__intro-desc {
    font-size: 1.0625rem;
  }
  .page-products .page-products__section {
    margin-bottom: 5rem;
  }
  .page-products .page-products__section--wide {
    padding: 2.5rem 2.5rem 3rem;
  }
  .page-products .card-flip {
    min-height: 320px;
  }
  .page-products .card-flip__front,
  .page-products .card-flip__back {
    padding: 2.25rem 2rem 1.75rem;
  }
  .page-products .page-products__card-number {
    font-size: 3.75rem;
  }
  .page-products .page-products__card-number--lg {
    font-size: 4rem;
  }
  .page-products .page-products__card-img {
    max-width: 250px;
  }
  .page-products .card-flip__front {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    align-items: flex-start;
  }
  .page-products .card-flip__front .page-products__card-number {
    width: 100%;
  }
  .page-products .card-flip__front .page-products__card-img {
    width: 250px;
    flex-shrink: 0;
    margin-bottom: 0;
  }
  .page-products .card-flip__front .page-products__card-title {
    width: calc(100% - 280px);
    flex-shrink: 0;
    margin-top: 0.25rem;
  }
  .page-products .card-flip__front .page-products__card-desc {
    width: calc(100% - 280px);
    flex-shrink: 0;
  }
  .page-products .page-products__gauge-svg {
    width: 140px;
    height: 140px;
  }
  .page-products .page-products__gauge-number {
    font-size: 3.5rem;
  }
  .page-products .page-products__timeline-track::before {
    top: 1.25rem;
  }
  .page-products .page-products__timeline-node::before {
    width: 18px;
    height: 18px;
  }
  .page-products .page-products__timeline-date {
    font-size: 0.9375rem;
  }
  .page-products .page-products__timeline-event {
    font-size: 0.875rem;
    max-width: 200px;
  }
  .page-products .page-products__arch {
    margin-top: 3.5rem;
  }
  .page-products .page-products__arch-title {
    font-size: 1.125rem;
  }
}

/* ===== 移动端优化：防止横向溢出 ===== */
@media (max-width: 480px) {
  .page-products .page-products__container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .page-products .page-products__intro-title {
    font-size: 1.75rem;
  }
  .page-products .page-products__card-number {
    font-size: 2.25rem;
  }
  .page-products .page-products__card-number--lg {
    font-size: 2.75rem;
  }
  .page-products .page-products__fh-dashboard {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .page-products .page-products__dashboard-meta {
    text-align: center;
  }
  .page-products .page-products__dashboard-link {
    align-self: center;
  }
  .page-products .card-flip {
    min-height: auto;
  }
  .page-products .card-flip__back {
    position: relative;
    transform: none;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
    margin-top: 0.5rem;
    display: block;
    border-top: 1px solid rgba(0,0,0,0.08);
  }
  .page-products .card-flip:hover .card-flip__inner {
    transform: none;
  }
  .page-products .card-flip[data-expanded] .card-flip__back {
    display: block;
  }
  .page-products .page-products__timeline-track {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    padding-left: 1.5rem;
  }
  .page-products .page-products__timeline-track::before {
    top: 0;
    bottom: 0;
    left: 0.5rem;
    width: 2px;
    height: 100%;
  }
  .page-products .page-products__timeline-node {
    flex-direction: row;
    gap: 0.75rem;
    align-items: center;
    text-align: left;
  }
  .page-products .page-products__timeline-node::before {
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .page-products .page-products__timeline-date {
    margin-bottom: 0;
    min-width: 3.5rem;
  }
  .page-products .page-products__timeline-event {
    max-width: none;
  }
  .page-products .page-products__arch-img {
    width: 100%;
  }
}
/* ===== 按钮基础样式复用（作用域内） ===== */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--page-font-body);
  font-weight: 600;
  border-radius: 4px;
  cursor: default;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
  text-decoration: none;
  line-height: 1.4;
}
.page-products .btn-primary {
  background-color: var(--page-accent);
  color: #fff;
  border: 1.5px solid var(--page-accent);
}
.page-products .btn-primary:hover {
  background-color: #cc3700;
  border-color: #cc3700;
}
.page-products .btn-outline {
  background: transparent;
  color: var(--page-accent);
  border: 1.5px solid var(--page-accent);
}
.page-products .btn-outline:hover {
  background: var(--page-accent);
  color: #fff;
}
/* ===== 标签复用 ===== */
.page-products .label-tag {
  display: inline-block;
  font-family: var(--page-font-body);
  font-weight: 700;
  border-radius: 3px;
  line-height: 1.3;
}