.page-products {
  --card-radius: 6px;
  --card-border: 1px solid rgba(230, 57, 70, 0.25);
  --card-hover-border: 1px solid #E63946;
  --timeline-accent: linear-gradient(135deg, #00F5D4, #00B4D8);
  --text-muted: #A0A0A0;
  --section-gap: 4rem;
  display: block;
  width: 100%;
  background: var(--bg, #0D0D0D);
  color: var(--text, #E0E0E0);
  font-family: var(--font-body, 'Inter', 'Roboto', sans-serif);
  padding: 2rem 1rem 4rem;
}
.page-products .container {
  max-width: 1200px;
  margin: 0 auto;
}
.page-products .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.page-products .breadcrumbs a {
  color: var(--cyan, #00F5D4);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products .breadcrumbs a:hover,
.page-products .breadcrumbs a:focus-visible {
  color: var(--red, #E63946);
  outline: none;
}
.page-products .breadcrumbs__sep {
  color: var(--text-muted);
}
.page-products .page-title {
  font-family: var(--font-head, 'Impact', 'Oswald', sans-serif);
  font-size: clamp(2rem, 6vw, 3.6rem);
  font-style: italic;
  color: var(--text-high, #FFF5E1);
  margin: 0 0 0.25rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}
.page-products .page-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--accent, linear-gradient(135deg, #00F5D4, #00B4D8));
  transform: skewX(-18deg);
}
.page-products .page-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 1rem 0 2.5rem;
  max-width: 680px;
  line-height: 1.6;
}
.page-products .section-heading {
  font-family: var(--font-head, 'Impact', 'Oswald', sans-serif);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-style: italic;
  color: var(--text-high, #FFF5E1);
  margin: 0 0 0.5rem;
  position: relative;
  display: inline-block;
}
.page-products .section-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 1.5rem;
  max-width: 600px;
}

/* ---------- 功能概览 ---------- */
.page-products .features-grid {
  margin-bottom: var(--section-gap);
}
.page-products .features-grid__intro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-bottom: 2rem;
}
.page-products .features-grid__symbol {
  border-radius: 50%;
  border: 2px solid var(--red-dark, #8B0000);
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  object-fit: cover;
}
.page-products .features-grid__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.page-products .feature-card {
  background: var(--bg-light, #1A1A1A);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: 1.25rem 1rem;
  cursor: default;
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
  position: relative;
  outline: none;
}
.page-products .feature-card:hover,
.page-products .feature-card:focus-within {
  border-color: var(--red, #E63946);
  background: rgba(230, 57, 70, 0.06);
  box-shadow: 0 0 0 1px rgba(230, 57, 70, 0.15);
}
.page-products .feature-card__icon {
  color: var(--cyan, #00F5D4);
  margin-bottom: 0.5rem;
  width: 40px;
  height: 40px;
}
.page-products .feature-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}
.page-products .feature-card__title {
  font-family: var(--font-head, 'Impact', 'Oswald', sans-serif);
  font-size: 1.05rem;
  color: var(--text-high, #FFF5E1);
  margin: 0 0 0.3rem;
  letter-spacing: 0.01em;
}
.page-products .feature-card__summary {
  font-size: 0.88rem;
  color: var(--text, #E0E0E0);
  margin: 0 0 0.25rem;
  line-height: 1.4;
}
.page-products .feature-card__detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.25s ease;
  opacity: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  border-top: 0 solid transparent;
}
.page-products .feature-card__detail p {
  margin: 0.5rem 0 0;
}
.page-products .feature-card:hover .feature-card__detail,
.page-products .feature-card:focus-within .feature-card__detail {
  max-height: 200px;
  opacity: 1;
  border-top-width: 1px;
  border-top-color: rgba(0, 245, 212, 0.15);
  padding-top: 0.5rem;
}

/* ---------- 电脑版登录 时间线 ---------- */
.page-products .timeline-section {
  margin-bottom: var(--section-gap);
}
.page-products .timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  padding-left: 2rem;
  margin-bottom: 2rem;
}
.page-products .timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 10px;
  width: 3px;
  background: var(--timeline-accent);
  border-radius: 2px;
  opacity: 0.4;
}
.page-products .timeline__step {
  position: relative;
  padding-left: 1rem;
}
.page-products .timeline__step::before {
  content: '';
  position: absolute;
  left: -1.6rem;
  top: 0.35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg, #0D0D0D);
  border: 2px solid var(--cyan, #00F5D4);
  transition: background 0.3s, border-color 0.3s;
}
.page-products .timeline__step:hover::before,
.page-products .timeline__step:focus-within::before {
  background: var(--cyan, #00F5D4);
  box-shadow: 0 0 8px rgba(0, 245, 212, 0.4);
}
.page-products .timeline__step-num {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.8rem;
  color: var(--cyan, #00F5D4);
  letter-spacing: 0.05em;
}
.page-products .timeline__step-title {
  font-family: var(--font-head, 'Impact', 'Oswald', sans-serif);
  font-size: 1.1rem;
  color: var(--text-high, #FFF5E1);
  margin: 0.1rem 0 0.25rem;
}
.page-products .timeline__step-desc {
  font-size: 0.9rem;
  color: var(--text, #E0E0E0);
  margin: 0;
  line-height: 1.5;
}
.page-products .timeline-section__img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: var(--card-radius);
  border: var(--card-border);
  display: block;
  margin: 1rem auto 0;
  object-fit: cover;
  background: var(--bg-light, #1A1A1A);
}

/* ---------- 联赛筛选 ---------- */
.page-products .filter-section {
  margin-bottom: var(--section-gap);
}
.page-products .filter-flow {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  background: var(--bg-light, #1A1A1A);
  border-radius: var(--card-radius);
  border: var(--card-border);
  padding: 1.5rem;
}
.page-products .filter-flow__step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.page-products .filter-flow__step-icon {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 1.4rem;
  color: var(--red, #E63946);
  width: 2rem;
  text-align: center;
  flex-shrink: 0;
}
.page-products .filter-flow__step-text {
  font-size: 0.95rem;
  color: var(--text, #E0E0E0);
  margin: 0;
  line-height: 1.4;
}
.page-products .filter-flow__step-text small {
  color: var(--text-muted);
  font-size: 0.8rem;
  display: block;
}
.page-products .filter-flow__arrow {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 1.5rem;
  color: var(--cyan, #00F5D4);
  padding-left: 0.75rem;
  line-height: 1;
  opacity: 0.6;
}
.page-products .filter-section__img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--card-radius);
  border: var(--card-border);
  display: block;
  margin: 0 auto;
  object-fit: cover;
  background: var(--bg-light, #1A1A1A);
}

/* ---------- 订阅通道 ---------- */
.page-products .subscription-section {
  margin-bottom: var(--section-gap);
}
.page-products .sub-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-products .sub-card {
  background: var(--bg-light, #1A1A1A);
  border: var(--card-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.page-products .sub-card:hover,
.page-products .sub-card:focus-within {
  border-color: var(--cyan, #00F5D4);
  box-shadow: 0 0 12px rgba(0, 245, 212, 0.08);
}
.page-products .sub-card__img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
  background: var(--bg, #0D0D0D);
}
.page-products .sub-card__placeholder {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head, 'Impact', 'Oswald', sans-serif);
  font-size: 2rem;
  font-style: italic;
  color: var(--red-dark, #8B0000);
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(0, 245, 212, 0.05));
  border-bottom: var(--card-border);
}
.page-products .sub-card__body {
  padding: 1rem 1rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.page-products .sub-card__title {
  font-family: var(--font-head, 'Impact', 'Oswald', sans-serif);
  font-size: 1.2rem;
  color: var(--text-high, #FFF5E1);
  margin: 0 0 0.2rem;
}
.page-products .sub-card__meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
}
.page-products .sub-card__btn {
  margin-top: auto;
  align-self: flex-start;
  padding: 0.5rem 1.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  border-radius: 4px;
  background: var(--accent, linear-gradient(135deg, #00F5D4, #00B4D8));
  color: #0D0D0D;
  font-family: var(--font-body, 'Inter', 'Roboto', sans-serif);
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}
.page-products .sub-card__btn:hover,
.page-products .sub-card__btn:focus-visible {
  transform: scale(1.04);
  box-shadow: 0 0 12px rgba(0, 245, 212, 0.3);
  outline: none;
}

/* ---------- 历史资料下载 ---------- */
.page-products .archive-section {
  margin-bottom: var(--section-gap);
}
.page-products .archive-content {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--bg-light, #1A1A1A);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
}
.page-products .archive-content__icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 4px;
  background: rgba(0, 245, 212, 0.08);
  padding: 4px;
}
.page-products .archive-content__text {
  flex: 1;
}
.page-products .archive-content__text p {
  font-size: 0.92rem;
  color: var(--text, #E0E0E0);
  margin: 0 0 0.5rem;
  line-height: 1.6;
}
.page-products .archive-content__text .archive-content__note {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0;
}
.page-products .archive-content__text p:last-child {
  margin-bottom: 0;
}

/* ---------- 桌面端 (≥768px) ---------- */
@media (min-width: 768px) {
  .page-products {
    padding: 3rem 2rem 5rem;
  }
  .page-products .features-grid__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .page-products .feature-card {
    padding: 1.5rem 1.25rem;
  }
  .page-products .feature-card__title {
    font-size: 1.1rem;
  }
  .page-products .timeline {
    flex-direction: row;
    padding-left: 0;
    gap: 0;
    justify-content: space-between;
  }
  .page-products .timeline::before {
    left: 0;
    right: 0;
    top: 10px;
    bottom: auto;
    width: auto;
    height: 3px;
  }
  .page-products .timeline__step {
    flex: 1;
    padding: 2rem 0.75rem 0;
    text-align: center;
  }
  .page-products .timeline__step::before {
    left: 50%;
    top: 0.3rem;
    transform: translateX(-50%);
  }
  .page-products .timeline__step-num {
    display: block;
    margin-bottom: 0.25rem;
  }
  .page-products .timeline__step-title {
    font-size: 1.15rem;
  }
  .page-products .timeline__step-desc {
    font-size: 0.88rem;
  }
  .page-products .timeline-section__img {
    margin: 2rem auto 0;
  }
  .page-products .filter-flow {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem 2.5rem;
  }
  .page-products .filter-flow__arrow {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  .page-products .filter-flow__step {
    flex-direction: column;
    text-align: center;
  }
  .page-products .filter-flow__step-text small {
    display: inline;
  }
  .page-products .sub-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .page-products .sub-card__img,
  .page-products .sub-card__placeholder {
    height: 120px;
  }
  .page-products .archive-content {
    flex-direction: row;
    align-items: center;
    padding: 2rem 2.5rem;
  }
  .page-products .archive-content__icon {
    width: 80px;
    height: 80px;
  }
}

/* ---------- 宽屏 (≥1024px) 微调 ---------- */
@media (min-width: 1024px) {
  .page-products .features-grid__list {
    gap: 1.5rem;
  }
  .page-products .sub-cards {
    gap: 1.5rem;
  }
  .page-products .filter-flow {
    padding: 2.5rem 3rem;
  }
}

/* ---------- 辅助 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}