/* ==============================
   page-products 专属样式
   移动端优先 + 桌面增强
   ============================== */
.page-products {
  --tl-line-color: var(--color-accent, #FF6B35);
  --tl-dot-size: 20px;
  --card-radius: 0px;
  --compare-gap: 32px;
  --hero-overlay: rgba(10, 31, 61, 0.7);
  background-color: var(--color-bg-dark, #0B0E14);
  color: var(--color-text-primary, #FFFFFF);
  font-family: var(--font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
}

/* 容器复用共享 .container，但可在此微调 */
.page-products .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- 面包屑 ---------- */
.page-products__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 16px 0;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  font-size: 13px;
  color: var(--color-text-secondary, #B0B8C4);
}
.page-products__breadcrumb a {
  color: var(--color-text-secondary, #B0B8C4);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.page-products__breadcrumb a:hover,
.page-products__breadcrumb a:focus-visible {
  color: var(--color-accent, #FF6B35);
  border-color: var(--color-accent, #FF6B35);
}
.page-products__breadcrumb-sep {
  color: var(--color-secondary, #8C9EAB);
  font-size: 11px;
}
.page-products__breadcrumb [aria-current="page"] {
  color: var(--color-accent, #FF6B35);
  font-weight: 600;
}

/* ---------- Hero ---------- */
.page-products__hero {
  position: relative;
  padding: 40px 0 48px;
  border-bottom: 4px solid var(--color-accent, #FF6B35);
}
.page-products__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary, #0A1F3D) 0%, var(--color-bg-dark, #0B0E14) 80%);
  z-index: 0;
}
.page-products__hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}
.page-products__hero-title {
  font-family: var(--font-heading, Georgia, serif);
  font-size: clamp(2rem, 8vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--color-text-primary, #FFFFFF);
  text-shadow: 0 4px 24px rgba(0,0,0,0.5);
}
.page-products__hero-desc {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--color-text-secondary, #B0B8C4);
  max-width: 600px;
  margin: 0;
  line-height: 1.5;
  border-left: 4px solid var(--color-accent, #FF6B35);
  padding-left: 16px;
}
.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}
.page-products__hero-btn.btn {
  position: relative;
  min-width: 180px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border: var(--border-thick, 4px) solid var(--color-accent, #FF6B35);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}
.page-products__hero-btn.btn--primary {
  background-color: var(--color-accent, #FF6B35);
  color: var(--color-primary, #0A1F3D);
  border-color: var(--color-accent, #FF6B35);
  box-shadow: 0 8px 32px rgba(255,107,53,0.25);
}
.page-products__hero-btn.btn--primary:hover,
.page-products__hero-btn.btn--primary:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 0 12px 40px rgba(255,107,53,0.4);
}
.page-products__hero-btn.btn--accent {
  background-color: transparent;
  color: var(--color-accent, #FF6B35);
  border-color: var(--color-accent, #FF6B35);
}
.page-products__hero-btn.btn--accent:hover,
.page-products__hero-btn.btn--accent:focus-visible {
  background-color: var(--color-accent, #FF6B35);
  color: var(--color-primary, #0A1F3D);
  transform: translate(-2px, -2px);
}
.page-products__hero-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: var(--border-med, 2px) solid var(--color-border, rgba(140,158,171,0.3));
  box-shadow: var(--shadow-md, 0 8px 32px rgba(0,0,0,0.4));
  margin-top: 8px;
}
/* details 触发器 */
.page-products__dl-trigger {
  position: relative;
  display: inline-block;
}
.page-products__dl-trigger summary {
  list-style: none;
  cursor: pointer;
}
.page-products__dl-trigger summary::-webkit-details-marker {
  display: none;
}
.page-products__dl-detail {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background-color: var(--color-surface, #1A2332);
  border: var(--border-med, 2px) solid var(--color-accent, #FF6B35);
  padding: 20px;
  box-shadow: var(--shadow-lg, 0 16px 48px rgba(0,0,0,0.5));
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-products__dl-detail .page-products__sysreq {
  margin: 0;
  padding: 0 0 0 16px;
  font-size: 0.875rem;
  color: var(--color-text-secondary, #B0B8C4);
  list-style: square;
}
.page-products__dl-detail .page-products__sysreq li {
  margin-bottom: 4px;
}
.page-products__dl-link.btn {
  display: block;
  width: 100%;
  padding: 10px 16px;
  font-size: 0.875rem;
  background-color: transparent;
  border: var(--border-med, 2px) solid var(--color-secondary, #8C9EAB);
  color: var(--color-text-primary, #FFFFFF);
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, transform 0.2s;
  text-align: left;
}
.page-products__dl-link.btn:hover,
.page-products__dl-link.btn:focus-visible {
  background-color: var(--color-accent, #FF6B35);
  border-color: var(--color-accent, #FF6B35);
  color: var(--color-primary, #0A1F3D);
  transform: translateX(4px);
}

/* ---------- 通用章节标题 ---------- */
.page-products__section-title {
  font-family: var(--font-heading, Georgia, serif);
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.2;
  position: relative;
  display: inline-block;
}
.page-products__section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--color-accent, #FF6B35);
  margin-top: 8px;
}

/* ---------- 版本下载 ---------- */
.page-products__download {
  padding: 56px 0;
  border-bottom: 2px solid var(--color-border, rgba(140,158,171,0.3));
}
.page-products__download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 28px;
}
.page-products__download-card.card {
  background-color: var(--color-surface, #1A2332);
  border: var(--border-thick, 4px) solid var(--color-border, rgba(140,158,171,0.3));
  box-shadow: var(--shadow-md, 0 8px 32px rgba(0,0,0,0.4));
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}
.page-products__download-card.card:hover {
  box-shadow: var(--shadow-lg, 0 16px 48px rgba(0,0,0,0.5));
  transform: translate(-2px, -2px);
  border-color: var(--color-accent, #FF6B35);
}
.page-products__download-card .card__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-products__spec-list {
  margin: 0;
  padding: 0 0 0 20px;
  color: var(--color-text-secondary, #B0B8C4);
  font-size: 0.9375rem;
  line-height: 1.6;
  list-style: square;
}
.page-products__spec-list li {
  margin-bottom: 4px;
}
.page-products__sys-toggle {
  font-size: 0.875rem;
  color: var(--color-secondary, #8C9EAB);
}
.page-products__sys-toggle summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px dashed var(--color-secondary, #8C9EAB);
  transition: color 0.2s;
}
.page-products__sys-toggle summary:hover {
  color: var(--color-accent, #FF6B35);
}
.page-products__sys-toggle summary::-webkit-details-marker {
  display: none;
}
.page-products__sys-toggle .page-products__sysreq {
  margin: 8px 0 0;
  padding: 0 0 0 16px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #B0B8C4);
  list-style: circle;
}
.page-products__sys-toggle .page-products__sysreq li {
  margin-bottom: 2px;
}
.page-products__dl-btn.btn--primary {
  align-self: flex-start;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  background-color: var(--color-accent, #FF6B35);
  border: var(--border-med, 2px) solid var(--color-accent, #FF6B35);
  color: var(--color-primary, #0A1F3D);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(255,107,53,0.2);
}
.page-products__dl-btn.btn--primary:hover,
.page-products__dl-btn.btn--primary:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 0 8px 28px rgba(255,107,53,0.35);
}
.page-products__dl-btn.btn--accent {
  align-self: flex-start;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  background-color: transparent;
  border: var(--border-med, 2px) solid var(--color-accent, #FF6B35);
  color: var(--color-accent, #FF6B35);
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s;
}
.page-products__dl-btn.btn--accent:hover,
.page-products__dl-btn.btn--accent:focus-visible {
  background-color: var(--color-accent, #FF6B35);
  color: var(--color-primary, #0A1F3D);
  transform: translate(-2px, -2px);
}

/* ---------- 版本更新日志 时间线 ---------- */
.page-products__timeline {
  padding: 56px 0;
  border-bottom: 2px solid var(--color-border, rgba(140,158,171,0.3));
}
.page-products__timeline-intro {
  color: var(--color-text-secondary, #B0B8C4);
  font-size: 1rem;
  margin: 0 0 24px;
  max-width: 480px;
}
.page-products__timeline-img {
  width: 100%;
  max-width: 800px;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  border: var(--border-med, 2px) solid var(--color-border, rgba(140,158,171,0.3));
  margin-bottom: 32px;
}
.page-products__timeline-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-left: 32px;
}
/* 时间线竖线 */
.page-products__timeline-list::before {
  content: "";
  position: absolute;
  top: 0;
  left: 8px;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-accent, #FF6B35), var(--color-secondary, #8C9EAB));
  border-radius: 2px;
}
.page-products__tl-item {
  position: relative;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.page-products__tl-marker {
  position: absolute;
  left: -26px;
  top: 8px;
  width: var(--tl-dot-size, 20px);
  height: var(--tl-dot-size, 20px);
  border-radius: 50%;
  background-color: var(--color-accent, #FF6B35);
  border: 3px solid var(--color-bg-dark, #0B0E14);
  box-shadow: 0 0 0 2px var(--color-accent, #FF6B35);
  z-index: 2;
}
.page-products__tl-content.card {
  flex: 1;
  background-color: var(--color-surface, #1A2332);
  border: var(--border-med, 2px) solid var(--color-border, rgba(140,158,171,0.3));
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.3));
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.page-products__tl-content.card:hover {
  border-color: var(--color-accent, #FF6B35);
  box-shadow: var(--shadow-md, 0 8px 32px rgba(0,0,0,0.4));
  transform: translateX(4px);
}
.page-products__tl-content .card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-products__tl-badge {
  display: inline-block;
  width: fit-content;
  padding: 2px 12px;
  background-color: var(--color-accent, #FF6B35);
  color: var(--color-primary, #0A1F3D);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.page-products__tl-version {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text-primary, #FFFFFF);
}
.page-products__tl-detail {
  font-size: 0.9375rem;
  color: var(--color-text-secondary, #B0B8C4);
}
.page-products__tl-detail summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent, #FF6B35);
  font-weight: 500;
  transition: gap 0.2s;
}
.page-products__tl-detail summary:hover {
  gap: 12px;
}
.page-products__tl-detail summary::-webkit-details-marker {
  display: none;
}
.page-products__tl-detail summary::before {
  content: "▸";
  display: inline-block;
  transition: transform 0.2s;
}
.page-products__tl-detail[open] summary::before {
  transform: rotate(90deg);
}
.page-products__tl-changes {
  margin: 12px 0 0;
  padding: 0 0 0 20px;
  list-style: square;
  color: var(--color-text-secondary, #B0B8C4);
  font-size: 0.875rem;
  line-height: 1.6;
}
.page-products__tl-changes li {
  margin-bottom: 4px;
}

/* ---------- 功能对比 ---------- */
.page-products__comparison {
  padding: 56px 0;
  border-bottom: 2px solid var(--color-border, rgba(140,158,171,0.3));
}
.page-products__compare-intro {
  color: var(--color-text-secondary, #B0B8C4);
  font-size: 1rem;
  margin: 0 0 24px;
  max-width: 480px;
}
.page-products__compare-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--border-med, 2px) solid var(--color-border, rgba(140,158,171,0.3));
  margin-bottom: 28px;
}
.page-products__compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--compare-gap, 32px);
  margin-bottom: 28px;
}
.page-products__compare-card.card {
  border: var(--border-thick, 4px) solid var(--color-border, rgba(140,158,171,0.3));
  box-shadow: var(--shadow-md, 0 8px 32px rgba(0,0,0,0.4));
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.page-products__compare-card.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg, 0 16px 48px rgba(0,0,0,0.5));
}
.page-products__compare-card--old {
  background-color: rgba(26, 35, 50, 0.6);
  border-color: var(--color-secondary, #8C9EAB);
}
.page-products__compare-card--old:hover {
  border-color: var(--color-secondary, #8C9EAB);
}
.page-products__compare-card--new {
  background-color: var(--color-surface, #1A2332);
  border-color: var(--color-accent, #FF6B35);
}
.page-products__compare-card--new:hover {
  border-color: var(--color-accent, #FF6B35);
}
.page-products__compare-label {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--color-text-secondary, #B0B8C4);
}
.page-products__compare-label--new {
  color: var(--color-accent, #FF6B35);
}
.page-products__compare-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-products__compare-item {
  position: relative;
  padding-left: 28px;
  font-size: 0.9375rem;
  line-height: 1.4;
  color: var(--color-text-secondary, #B0B8C4);
}
.page-products__compare-item::before {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.1rem;
  font-weight: 700;
}
.page-products__compare-item--no::before {
  content: "✕";
  color: var(--color-secondary, #8C9EAB);
}
.page-products__compare-item--yes::before {
  content: "✓";
  color: var(--color-success, #2ECC71);
}
.page-products__compare-item--yes {
  color: var(--color-text-primary, #FFFFFF);
}
.page-products__compare-img-secondary {
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--border-med, 2px) solid var(--color-border, rgba(140,158,171,0.3));
  margin-top: 16px;
}

/* ---------- 设备适配清单 ---------- */
.page-products__devices {
  padding: 56px 0;
  border-bottom: 2px solid var(--color-border, rgba(140,158,171,0.3));
}
.page-products__devices-intro {
  color: var(--color-text-secondary, #B0B8C4);
  font-size: 1rem;
  margin: 0 0 24px;
  max-width: 480px;
}
.page-products__devices-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  border: var(--border-med, 2px) solid var(--color-border, rgba(140,158,171,0.3));
  margin-bottom: 28px;
}
.page-products__devices-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-products__device-card.card {
  background-color: var(--color-surface, #1A2332);
  border: var(--border-med, 2px) solid var(--color-border, rgba(140,158,171,0.3));
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.3));
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.page-products__device-card.card:hover {
  border-color: var(--color-accent, #FF6B35);
  box-shadow: var(--shadow-md, 0 8px 32px rgba(0,0,0,0.4));
  transform: translateY(-4px);
}
.page-products__device-cat {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--color-accent, #FF6B35);
}
.page-products__device-list {
  margin: 0;
  padding: 0 0 0 16px;
  list-style: square;
  color: var(--color-text-secondary, #B0B8C4);
  font-size: 0.875rem;
  line-height: 1.6;
}
.page-products__device-list li {
  margin-bottom: 4px;
}

/* ---------- 信任声明 ---------- */
.page-products__trust {
  padding: 48px 0;
}
.page-products__trust-card.card {
  background-color: var(--color-primary, #0A1F3D);
  border: var(--border-thick, 4px) solid var(--color-accent, #FF6B35);
  box-shadow: var(--shadow-lg, 0 16px 48px rgba(0,0,0,0.5));
}
.page-products__trust-card .card__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
.page-products__trust-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary, #B0B8C4);
  max-width: 680px;
  margin: 0;
}
.page-products__trust-link.btn {
  padding: 10px 24px;
  font-size: 0.9375rem;
  background-color: transparent;
  border: var(--border-med, 2px) solid var(--color-accent, #FF6B35);
  color: var(--color-accent, #FF6B35);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s, transform 0.2s;
}
.page-products__trust-link.btn:hover,
.page-products__trust-link.btn:focus-visible {
  background-color: var(--color-accent, #FF6B35);
  color: var(--color-primary, #0A1F3D);
  transform: translate(-2px, -2px);
}

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

  .page-products__breadcrumb {
    padding: 20px 32px 0;
  }

  .page-products__hero {
    padding: 64px 0 80px;
  }
  .page-products__hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "title   img"
      "desc    img"
      "actions img";
    gap: 24px 48px;
    align-items: start;
  }
  .page-products__hero-title {
    grid-area: title;
  }
  .page-products__hero-desc {
    grid-area: desc;
  }
  .page-products__hero-actions {
    grid-area: actions;
  }
  .page-products__hero-img {
    grid-area: img;
    max-width: 100%;
    margin-top: 0;
  }

  /* 下载区双列 */
  .page-products__download-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  /* 时间线加宽左内边距 */
  .page-products__timeline-list {
    padding-left: 60px;
  }
  .page-products__timeline-list::before {
    left: 20px;
  }
  .page-products__tl-marker {
    left: -40px;
    width: 24px;
    height: 24px;
  }

  /* 功能对比双列 */
  .page-products__compare-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products__compare-img {
    margin-bottom: 36px;
  }
  .page-products__compare-img-secondary {
    margin-top: 24px;
  }

  /* 设备适配三列 */
  .page-products__devices-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
  }
}

/* ========================================
   大桌面端 ≥ 1024px
   ======================================== */
@media (min-width: 1024px) {
  .page-products__hero {
    padding: 80px 0 96px;
  }
  .page-products__hero .container {
    column-gap: 64px;
  }
  .page-products__hero-title {
    font-size: 4rem;
  }

  .page-products__timeline-list {
    padding-left: 80px;
  }
  .page-products__timeline-list::before {
    left: 28px;
  }
  .page-products__tl-marker {
    left: -52px;
    width: 28px;
    height: 28px;
  }

  .page-products__section {
    padding: 80px 0;
  }
}