/* ===== 页面专属：products ===== */
.page-products {
  --cover-min-height: 420px;
  --card-radius: 16px;
  --timeline-line-width: 3px;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--background);
  color: var(--text);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px var(--gap) 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: var(--content-max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

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

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

.page-products .breadcrumb .separator {
  color: var(--text-muted);
  user-select: none;
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--text);
  font-weight: 500;
}

/* ---------- 首屏封面 ---------- */
.page-products .products-cover {
  position: relative;
  min-height: var(--cover-min-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px var(--gap) 32px;
  background: linear-gradient(135deg, var(--primary) 0%, #0d2b1a 70%, var(--background) 100%);
  overflow: hidden;
  margin-bottom: 8px;
}

.page-products .cover-inner {
  position: relative;
  z-index: 2;
  max-width: var(--content-max-width);
  width: 100%;
  text-align: center;
}

.page-products .cover-label {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--secondary);
  border: 1px solid var(--secondary);
  padding: 4px 16px;
  margin-bottom: 16px;
  opacity: 0.9;
}

.page-products .cover-title {
  font-family: var(--font-headings);
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--text);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.3);
}

.page-products .cover-subtitle {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--secondary-light);
  margin: 0 0 12px;
  letter-spacing: 0.06em;
}

.page-products .cover-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

.page-products .cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.page-products .cover-meta-item {
  display: inline-block;
  font-size: 0.8rem;
  font-family: var(--font-data);
  color: var(--accent);
  background: rgba(255,87,34,0.12);
  border: 1px solid rgba(255,87,34,0.3);
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.page-products .cover-decor {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  opacity: 0.5;
  pointer-events: none;
}

.page-products .cover-svg {
  width: 160px;
  height: 160px;
}

/* ---------- 功能索引 ---------- */
.page-products .features-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 16px var(--gap) 24px;
  max-width: var(--content-max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.page-products .index-tag {
  display: inline-block;
  font-family: var(--font-headings);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--divider);
  padding: 8px 20px;
  border-radius: 30px;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
}

.page-products .index-tag:hover,
.page-products .index-tag:focus-visible {
  background: var(--primary);
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212,175,55,0.25);
}

/* ---------- 功能时间线 ---------- */
.page-products .features-timeline {
  position: relative;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  width: 100%;
  box-sizing: border-box;
}

/* 连接器 */
.page-products .connector {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 6px 0;
  height: 40px;
}

.page-products .connector-svg {
  width: 28px;
  height: 44px;
}

.page-products .connector-end {
  height: 32px;
  padding-bottom: 16px;
}

/* ---------- 功能卡片 ---------- */
.page-products .feature-item {
  position: relative;
  scroll-margin-top: 80px;
}

.page-products .feature-card {
  background: rgba(27,40,56,0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(212,175,55,0.15);
  border-radius: var(--card-radius);
  padding: 20px 16px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.page-products .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.45);
  border-color: rgba(212,175,55,0.3);
}

.page-products .feature-card-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .feature-text {
  flex: 1 1 45%;
}

.page-products .feature-number {
  font-family: var(--font-headings);
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  opacity: 0.35;
  display: block;
  line-height: 1;
  margin-bottom: -6px;
  letter-spacing: -0.03em;
}

.page-products .feature-heading {
  font-family: var(--font-headings);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
  line-height: 1.2;
  position: relative;
}

.page-products .feature-heading::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--secondary);
  margin-top: 8px;
  border-radius: 2px;
}

.page-products .feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0 0 16px;
}

.page-products .feature-points {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .feature-points li {
  position: relative;
  padding-left: 20px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.page-products .feature-points li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.page-products .feature-visual {
  flex: 1 1 50%;
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-light);
}

.page-products .feature-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 12px;
  aspect-ratio: 4 / 3;
}

.page-products .btn-accent {
  background: var(--accent);
  color: var(--text);
  border: none;
  padding: 10px 28px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-block;
  text-decoration: none;
  letter-spacing: 0.04em;
}

.page-products .btn-accent:hover,
.page-products .btn-accent:focus-visible {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,87,34,0.35);
}

/* ---------- 数据更新区 ---------- */
.page-products .live-update {
  margin: 40px var(--gap) 0;
  padding: 36px 20px 28px;
  background: linear-gradient(145deg, var(--surface) 0%, #0f1f2e 100%);
  border-radius: var(--card-radius);
  max-width: var(--content-max-width);
  margin-left: auto;
  margin-right: auto;
  width: calc(100% - 2 * var(--gap));
  box-sizing: border-box;
  border: 1px solid rgba(212,175,55,0.1);
}

.page-products .live-heading {
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
  text-align: center;
}

.page-products .live-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.6;
}

.page-products .live-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.page-products .live-card {
  background: rgba(27,40,56,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  transition: transform var(--transition);
}

.page-products .live-card:hover {
  transform: translateY(-2px);
  border-color: rgba(212,175,55,0.3);
}

.page-products .live-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.page-products .live-number {
  display: block;
  font-family: var(--font-data);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.page-products .live-unit {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  margin-top: 2px;
}

.page-products .live-visual {
  max-width: 400px;
  margin: 12px auto 0;
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-light);
}

.page-products .live-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 12px;
}

/* ---------- 内部链接 ---------- */
.page-products .products-internal-links {
  padding: 40px var(--gap) 48px;
  max-width: var(--content-max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.page-products .internal-heading {
  font-family: var(--font-headings);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin: 0 0 24px;
  letter-spacing: 0.04em;
}

.page-products .internal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .internal-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 24px 16px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  text-decoration: none;
  transition: all var(--transition);
  color: var(--text);
}

.page-products .internal-card:hover,
.page-products .internal-card:focus-visible {
  background: var(--primary);
  border-color: var(--secondary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(212,175,55,0.2);
}

.page-products .internal-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.page-products .internal-title {
  font-family: var(--font-headings);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.page-products .internal-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
}

/* ===== 响应式 ===== */

/* 移动端优先：默认已适配，以下增强桌面端 */

@media (min-width: 640px) {
  .page-products .live-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .internal-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .cover-title {
    font-size: 4rem;
  }

  .page-products .cover-subtitle {
    font-size: 1.6rem;
  }

  .page-products .cover-decor {
    opacity: 0.7;
  }

  .page-products .cover-svg {
    width: 200px;
    height: 200px;
  }
}

@media (min-width: 768px) {
  .page-products .products-cover {
    min-height: 480px;
    padding: 48px var(--gap) 40px;
  }

  .page-products .cover-title {
    font-size: 4.8rem;
  }

  .page-products .cover-meta {
    gap: 16px;
  }

  .page-products .features-index {
    gap: 14px;
    padding: 20px var(--gap) 32px;
  }

  .page-products .index-tag {
    font-size: 0.9rem;
    padding: 10px 28px;
  }

  .page-products .feature-card {
    padding: 28px 24px;
  }

  .page-products .feature-card-inner {
    flex-direction: row;
    align-items: center;
  }

  .page-products .feature-number {
    font-size: 4rem;
  }

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

  .page-products .feature-item:nth-child(odd) .feature-card-inner {
    flex-direction: row;
  }

  .page-products .feature-item:nth-child(even) .feature-card-inner {
    flex-direction: row-reverse;
  }

  .page-products .connector {
    height: 48px;
  }

  .page-products .connector-svg {
    width: 32px;
    height: 48px;
  }

  .page-products .live-update {
    padding: 44px 32px 36px;
  }

  .page-products .live-heading {
    font-size: 2.4rem;
  }

  .page-products .live-number {
    font-size: 2rem;
  }
}

@media (min-width: 1024px) {
  .page-products .products-cover {
    min-height: 520px;
    padding: 56px var(--gap) 48px;
  }

  .page-products .cover-title {
    font-size: 5.6rem;
  }

  .page-products .cover-label {
    font-size: 0.9rem;
  }

  .page-products .features-timeline {
    padding: 0 40px;
  }

  .page-products .feature-card {
    padding: 32px 32px;
    border-radius: 20px;
  }

  .page-products .feature-heading {
    font-size: 2.2rem;
  }

  .page-products .feature-desc {
    font-size: 1rem;
  }

  .page-products .feature-points li {
    font-size: 0.92rem;
  }

  .page-products .live-grid {
    gap: 16px;
  }

  .page-products .live-card {
    padding: 20px 16px;
  }

  .page-products .live-number {
    font-size: 2.2rem;
  }

  .page-products .internal-card {
    padding: 32px 20px;
  }
}

/* 超大屏微调 */
@media (min-width: 1280px) {
  .page-products .cover-title {
    font-size: 6.4rem;
  }

  .page-products .feature-card-inner {
    gap: 32px;
  }
}

/* 确保窄屏不溢出 */
@media (max-width: 380px) {
  .page-products .cover-title {
    font-size: 2.4rem;
  }

  .page-products .cover-subtitle {
    font-size: 1rem;
  }

  .page-products .feature-heading {
    font-size: 1.4rem;
  }

  .page-products .live-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .page-products .live-number {
    font-size: 1.3rem;
  }

  .page-products .internal-grid {
    grid-template-columns: 1fr;
  }
}