/* ===== 平台服务页专属样式 ===== */
.page-products {
  --products-accent: #FF5A00;
  --products-neon: #8A2BE2;
  --products-card-bg: #1A2A3E;
  --products-text: #FFFFFF;
  --products-text-muted: #B0B0B0;
  --products-border: #FF5A00;
  --products-dark: #0B1B2D;
  --products-silver: #C0C0C0;
  --products-font-heading: 'Impact', 'Arial Black', 'Helvetica Neue', sans-serif;
  --products-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --products-transition: 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
  --products-radius: 4px;
  --products-radius-card: 8px;
  display: block;
  width: 100%;
}

/* ---- Hero 区 ---- */
.page-products__hero {
  position: relative;
  background: var(--products-dark);
  padding: 2.5rem 1rem 3rem;
  overflow: hidden;
  border-bottom: 3px solid var(--products-accent);
}

.page-products__hero-inner {
  position: relative;
  z-index: 2;
}

.page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-family: var(--products-font-body);
  color: var(--products-text-muted);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.page-products__breadcrumb a {
  color: var(--products-accent);
  text-decoration: none;
  transition: color var(--products-transition);
}

.page-products__breadcrumb a:hover {
  color: var(--products-text);
}

.page-products__breadcrumb-sep {
  color: var(--products-neon);
  font-weight: 700;
  opacity: 0.6;
}

.page-products__hero-title {
  font-family: var(--products-font-heading);
  font-size: clamp(2.2rem, 8vw, 4rem);
  color: var(--products-text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 0.75rem;
  line-height: 1.05;
  position: relative;
  display: inline-block;
  -webkit-text-stroke: 1px var(--products-accent);
  text-stroke: 1px var(--products-accent);
}

.page-products__hero-desc {
  font-family: var(--products-font-body);
  font-size: 1rem;
  color: var(--products-text-muted);
  max-width: 640px;
  line-height: 1.7;
  margin: 0 0 1.5rem;
}

.page-products__hero-slice {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 40vw;
  height: 140%;
  background: rgba(255, 90, 0, 0.08);
  transform: skewX(-18deg);
  z-index: 1;
  pointer-events: none;
}

.page-products__speed-line {
  position: absolute;
  height: 2px;
  background: var(--products-neon);
  opacity: 0.25;
  z-index: 1;
  pointer-events: none;
}

.page-products__speed-line--1 {
  top: 30%;
  right: -5%;
  width: 30%;
  transform: rotate(-6deg);
}

.page-products__speed-line--2 {
  bottom: 25%;
  left: -3%;
  width: 22%;
  transform: rotate(4deg);
  background: var(--products-accent);
  opacity: 0.15;
}

/* ---- 卡片网格 ---- */
.page-products__grid {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  padding: 2.5rem 1rem 3rem;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
}

/* ---- 卡片基础样式 ---- */
.page-products__card {
  position: relative;
  background: var(--products-card-bg);
  border-radius: var(--products-radius-card);
  overflow: hidden;
  transition: transform var(--products-transition), box-shadow var(--products-transition);
  border: 1px solid rgba(192, 192, 192, 0.15);
  display: flex;
  flex-direction: column;
}

.page-products__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--products-accent) inset;
}

.page-products__card-edge {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--products-accent);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.7;
}

.page-products__card-content {
  padding: 1.5rem 1.25rem;
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page-products__card-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 0.8rem;
  margin-bottom: 1rem;
}

.page-products__card-number {
  font-family: var(--products-font-heading);
  font-size: 2rem;
  color: var(--products-accent);
  opacity: 0.25;
  line-height: 1;
  margin-right: 0.2rem;
  letter-spacing: -0.02em;
}

.page-products__card-heading {
  font-family: var(--products-font-heading);
  font-size: 1.5rem;
  color: var(--products-text);
  margin: 0;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  flex: 1;
}

.page-products__tag {
  font-family: var(--products-font-body);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  background: var(--products-neon);
  color: var(--products-text);
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-products__card-text {
  font-family: var(--products-font-body);
  font-size: 0.9rem;
  color: var(--products-text-muted);
  line-height: 1.7;
  margin: 0 0 1.25rem;
  flex: 1;
}

/* ---- 卡片内图片 ---- */
.page-products__card-visual {
  position: relative;
  margin-bottom: 1.25rem;
  border-radius: calc(var(--products-radius-card) - 2px);
  overflow: hidden;
  background: var(--products-dark);
}

.page-products__card-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: inherit;
  transition: transform var(--products-transition);
}

.page-products__card:hover .page-products__card-img {
  transform: scale(1.02);
}

.page-products__card-visual-deco {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 30%;
  height: 30%;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 90, 0, 0.12) 100%);
  pointer-events: none;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.page-products__card-visual--wide .page-products__card-img {
  min-height: 200px;
}

/* ---- 特性列表 ---- */
.page-products__feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
}

.page-products__feature-item {
  font-family: var(--products-font-body);
  font-size: 0.85rem;
  color: var(--products-text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.page-products__feature-icon {
  color: var(--products-accent);
  font-size: 0.65rem;
  flex-shrink: 0;
}

/* ---- 数据行 ---- */
.page-products__data-row {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.page-products__data-item {
  background: rgba(11, 27, 45, 0.6);
  padding: 0.6rem 1rem;
  border-radius: var(--products-radius);
  border-left: 2px solid var(--products-accent);
  flex: 1;
  min-width: 80px;
  text-align: center;
}

.page-products__data-value {
  display: block;
  font-family: var(--products-font-heading);
  font-size: 1.1rem;
  color: var(--products-accent);
  line-height: 1.2;
}

.page-products__data-label {
  display: block;
  font-family: var(--products-font-body);
  font-size: 0.7rem;
  color: var(--products-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-top: 0.15rem;
}

/* ---- 下载区域 ---- */
.page-products__download-area {
  margin-top: 0.5rem;
  padding: 1rem;
  background: rgba(11, 27, 45, 0.5);
  border-radius: var(--products-radius);
  border: 1px solid rgba(192, 192, 192, 0.12);
}

.page-products__download-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.page-products__download-label {
  font-family: var(--products-font-body);
  font-size: 0.85rem;
  color: var(--products-text);
  font-weight: 600;
}

.page-products__download-size {
  font-family: var(--products-font-body);
  font-size: 0.75rem;
  color: var(--products-text-muted);
}

.page-products__progress-bar {
  position: relative;
  width: 100%;
  height: 8px;
  background: rgba(192, 192, 192, 0.15);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.page-products__progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--products-accent), var(--products-neon));
  border-radius: 4px;
  transition: width 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
  position: relative;
}

.page-products__progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  animation: page-products__shimmer 1.8s ease-in-out infinite;
}

@keyframes page-products__shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.page-products__progress-text {
  position: absolute;
  top: -1.4rem;
  right: 0;
  font-family: var(--products-font-body);
  font-size: 0.7rem;
  color: var(--products-text-muted);
}

.page-products__download-btn {
  width: 100%;
  padding: 0.7rem 1rem;
  font-family: var(--products-font-body);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--products-accent);
  color: var(--products-text);
  border: none;
  border-radius: var(--products-radius);
  cursor: pointer;
  transition: background var(--products-transition), transform var(--products-transition);
  clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
}

.page-products__download-btn:hover {
  background: #e65100;
  transform: scale(1.02);
}

.page-products__download-btn:active {
  transform: scale(0.98);
}

/* ---- 同步特性 ---- */
.page-products__sync-features {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 0.5rem;
}

.page-products__sync-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.7rem 1rem;
  background: rgba(11, 27, 45, 0.4);
  border-radius: var(--products-radius);
  border-left: 2px solid var(--products-neon);
}

.page-products__sync-icon {
  font-size: 1.2rem;
  color: var(--products-neon);
  flex-shrink: 0;
  line-height: 1.4;
}

.page-products__sync-label {
  display: block;
  font-family: var(--products-font-body);
  font-size: 0.85rem;
  color: var(--products-text);
  font-weight: 600;
}

.page-products__sync-desc {
  display: block;
  font-family: var(--products-font-body);
  font-size: 0.75rem;
  color: var(--products-text-muted);
  margin-top: 0.1rem;
}

/* ---- 架构卡片特殊处理 ---- */
.page-products__card--architecture .page-products__card-visual--wide {
  margin-bottom: 0;
}

/* ---- CTA 区域 ---- */
.page-products__cta-area {
  padding: 0 1rem 3rem;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
}

.page-products__cta-card {
  position: relative;
  background: linear-gradient(145deg, #1A2A3E 0%, #0B1B2D 100%);
  border-radius: var(--products-radius-card);
  padding: 2rem 1.5rem;
  text-align: center;
  overflow: hidden;
  border: 1px solid rgba(255, 90, 0, 0.2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.page-products__cta-tag {
  display: inline-block;
  font-family: var(--products-font-body);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 1rem;
  background: var(--products-neon);
  color: var(--products-text);
  border-radius: 2px;
  margin-bottom: 1rem;
}

.page-products__cta-heading {
  font-family: var(--products-font-heading);
  font-size: 1.6rem;
  color: var(--products-text);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.page-products__cta-text {
  font-family: var(--products-font-body);
  font-size: 0.9rem;
  color: var(--products-text-muted);
  max-width: 480px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.page-products__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.page-products__cta-btn,
.page-products__cta-btn-outline {
  padding: 0.7rem 1.6rem;
  font-family: var(--products-font-body);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--products-radius);
  text-decoration: none;
  transition: background var(--products-transition), transform var(--products-transition), border-color var(--products-transition);
  cursor: pointer;
}

.page-products__cta-btn {
  background: var(--products-accent);
  color: var(--products-text);
  border: 2px solid var(--products-accent);
}

.page-products__cta-btn:hover {
  background: #e65100;
  border-color: #e65100;
  transform: translateY(-2px);
}

.page-products__cta-btn-outline {
  background: transparent;
  color: var(--products-text);
  border: 2px solid var(--products-silver);
}

.page-products__cta-btn-outline:hover {
  border-color: var(--products-accent);
  color: var(--products-accent);
  transform: translateY(-2px);
}

.page-products__cta-deco {
  position: absolute;
  top: -30%;
  right: -15%;
  width: 40%;
  height: 160%;
  background: rgba(255, 90, 0, 0.04);
  transform: skewX(-12deg) rotate(8deg);
  pointer-events: none;
  z-index: 0;
}

/* ---- 响应式 ---- */
/* 移动端优先已适配，以下为平板及以上 */
@media (min-width: 640px) {
  .page-products__hero {
    padding: 3rem 1.5rem 4rem;
  }

  .page-products__grid {
    padding: 3rem 1.5rem 4rem;
    gap: 2.2rem;
  }

  .page-products__card-content {
    padding: 1.8rem 1.8rem;
  }

  .page-products__card-heading {
    font-size: 1.75rem;
  }

  .page-products__data-row {
    gap: 1.2rem;
  }

  .page-products__sync-features {
    flex-direction: row;
    gap: 1rem;
  }

  .page-products__sync-item {
    flex: 1;
  }

  .page-products__cta-card {
    padding: 2.5rem 3rem;
  }

  .page-products__cta-heading {
    font-size: 1.8rem;
  }
}

@media (min-width: 900px) {
  .page-products__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto auto;
    gap: 2rem;
    padding: 3.5rem 2rem 4rem;
  }

  .page-products__card--nav {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
  }

  .page-products__card--review {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
  }

  .page-products__card--download {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
  }

  .page-products__card--sync {
    grid-column: 1 / 2;
    grid-row: 3 / 4;
  }

  .page-products__card--architecture {
    grid-column: 2 / 3;
    grid-row: 3 / 5;
  }

  .page-products__hero {
    padding: 4rem 2rem 5rem;
  }

  .page-products__hero-title {
    font-size: 3.6rem;
  }

  .page-products__hero-desc {
    font-size: 1.1rem;
  }

  .page-products__card-heading {
    font-size: 1.8rem;
  }

  .page-products__card-text {
    font-size: 0.95rem;
  }

  .page-products__cta-card {
    padding: 3rem 4rem;
  }

  .page-products__cta-heading {
    font-size: 2rem;
  }

  .page-products__cta-text {
    font-size: 1rem;
  }
}

@media (min-width: 1200px) {
  .page-products__grid {
    gap: 2.5rem;
  }

  .page-products__card-content {
    padding: 2rem 2.2rem;
  }

  .page-products__card-heading {
    font-size: 2rem;
  }

  .page-products__hero {
    padding: 5rem 2rem 6rem;
  }

  .page-products__hero-title {
    font-size: 4.2rem;
  }
}

/* ---- 浏览器降级与安全 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-products__card,
  .page-products__card-img,
  .page-products__download-btn,
  .page-products__cta-btn,
  .page-products__cta-btn-outline {
    transition: none;
  }

  .page-products__progress-bar-fill::after {
    animation: none;
  }

  .page-products__card:hover {
    transform: none;
  }

  .page-products__download-btn:hover,
  .page-products__cta-btn:hover,
  .page-products__cta-btn-outline:hover {
    transform: none;
  }
}
<<<PAGE_JS>>>
document.addEventListener('DOMContentLoaded', function() {
  // 返回顶部按钮
  var backTop = document.querySelector('.page-products .back-top');
  if (backTop) {
    backTop.addEventListener('click', function() {
      window.scrollTo({ top: 0, behavior: 'smooth' });
    });
    window.addEventListener('scroll', function() {
      if (window.scrollY > 400) {
        backTop.classList.add('visible');
      } else {
        backTop.classList.remove('visible');
      }
    });
  }

  // 下载进度条模拟动画
  var progressFill = document.querySelector('.page-products__progress-bar-fill');
  var progressText = document.querySelector('.page-products__progress-text');
  var downloadBtn = document.querySelector('.page-products__download-btn');

  if (downloadBtn && progressFill && progressText) {
    downloadBtn.addEventListener('click', function() {
      var currentWidth = parseInt(progressFill.style.width) || 0;
      if (currentWidth < 100) {
        var newWidth = Math.min(currentWidth + 22, 100);
        progressFill.style.width = newWidth + '%';
        progressText.textContent = '下载进度 ' + newWidth + '%';
        if (newWidth === 100) {
          progressText.textContent = '下载完成';
          downloadBtn.textContent = '已完成';
          downloadBtn.disabled = true;
          downloadBtn.style.opacity = '0.6';
          downloadBtn.style.cursor = 'default';
        }
      }
    });
  }

  // 卡片悬停时给视觉装饰增加动态感（纯增强，不影响内容）
  var cards = document.querySelectorAll('.page-products__card');
  cards.forEach(function(card) {
    card.addEventListener('mouseenter', function() {
      var edge = card.querySelector('.page-products__card-edge');
      if (edge) {
        edge.style.opacity = '1';
      }
    });
    card.addEventListener('mouseleave', function() {
      var edge = card.querySelector('.page-products__card-edge');
      if (edge) {
        edge.style.opacity = '0.7';
      }
    });
  });
});