.page-products {
  --page-gold-line: linear-gradient(135deg, var(--gold-dark), var(--gold-light), var(--gold-dark));
  --page-card-glow: 0 0 20px rgba(212, 160, 23, 0.08);
  --page-connector-h: 40px;
  --page-node-min-h: 140px;
  color: var(--text-primary);
  background: var(--bg-dark);
}

/* ── 页面引导 ── */
.page-products .page-lead {
  padding-top: 32px;
  padding-bottom: 24px;
}
.page-products .page-lead-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 8px 0 4px;
  color: var(--gold-light);
  font-family: "Noto Serif SC", "Georgia", serif;
}
.page-products .page-lead-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}
.page-products .breadcrumb {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.page-products .breadcrumb a {
  color: var(--link);
  text-decoration: none;
  transition: var(--transition);
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--gold-light);
  text-decoration: underline;
}
.page-products .breadcrumb .sep {
  color: var(--gold-dark);
  font-weight: 700;
}

/* ── 章节标题 ── */
.page-products .section-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 28px;
}
.page-products .section-title .index {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 0.02em;
  font-weight: 600;
  flex-shrink: 0;
}
.page-products .section-title .title-text {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gold-light);
  font-family: "Noto Serif SC", "Georgia", serif;
  letter-spacing: 0.02em;
}

/* ── 窄容器 ── */
.page-products .container.narrow {
  max-width: 960px;
}

/* ── 01 技能树 ── */
.page-products .section-skills {
  position: relative;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #1e1a14 40%, var(--bg-dark) 100%);
  border-top: 1px solid rgba(212, 160, 23, 0.12);
  border-bottom: 1px solid rgba(212, 160, 23, 0.12);
  padding: 48px 0 56px;
  overflow: hidden;
}
.page-products .skill-tree {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 12px 0;
}
.page-products .skill-bg {
  position: absolute;
  right: -5%;
  bottom: -8%;
  width: 60%;
  max-width: 500px;
  height: auto;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
  object-fit: contain;
  transform: rotate(2deg);
}
.page-products .skill-node {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  min-height: var(--page-node-min-h);
  background: var(--bg-card);
  border: var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 24px 28px 20px;
  cursor: default;
  transition: var(--transition);
  box-shadow: var(--page-card-glow);
  display: flex;
  flex-direction: column;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}
.page-products .skill-node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--page-gold-line);
  border-radius: 2px 0 0 2px;
  opacity: 0.5;
  transition: var(--transition);
}
.page-products .skill-node:hover,
.page-products .skill-node:focus-visible {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-gold);
  border-color: var(--gold);
  transform: translateY(-2px);
}
.page-products .skill-node:hover::before,
.page-products .skill-node:focus-visible::before {
  opacity: 1;
  width: 6px;
}
.page-products .skill-node-icon {
  font-size: 1.6rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}
.page-products .skill-node-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold-light);
  margin: 0 0 4px;
  font-family: "Noto Serif SC", "Georgia", serif;
}
.page-products .skill-node-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin: 0 0 6px;
  line-height: 1.5;
}
.page-products .skill-node-detail {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 12px 14px;
  margin-top: 8px;
  background: rgba(212, 160, 23, 0.06);
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.35s ease, padding 0.35s ease;
  padding-top: 0;
  padding-bottom: 0;
}
.page-products .skill-node:hover .skill-node-detail,
.page-products .skill-node:focus-visible .skill-node-detail {
  max-height: 200px;
  opacity: 1;
  padding-top: 12px;
  padding-bottom: 12px;
}
.page-products .skill-connector {
  width: 2px;
  height: var(--page-connector-h);
  background: var(--page-gold-line);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  margin: 4px 0;
  border-radius: 1px;
  opacity: 0.6;
}

/* ── 02 对局回放 ── */
.page-products .section-replay {
  padding: 48px 0;
  background: var(--bg-dark);
}
.page-products .replay-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-products .replay-text {
  flex: 1;
}
.page-products .replay-text p {
  line-height: 1.7;
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 1rem;
}
.page-products .feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.page-products .feature-list li {
  padding: 6px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-products .feature-list .tag-gold {
  color: var(--gold);
  flex-shrink: 0;
  font-size: 0.85rem;
}
.page-products .replay-figure {
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-gold);
  box-shadow: var(--page-card-glow);
  background: var(--bg-card);
}
.page-products .replay-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ── 03 更新记录 ── */
.page-products .section-updates {
  padding: 48px 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #1e1a14 50%, var(--bg-dark) 100%);
  border-top: 1px solid rgba(212, 160, 23, 0.10);
  border-bottom: 1px solid rgba(212, 160, 23, 0.10);
}
.page-products .updates-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-products .updates-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-products .update-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-card);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: var(--transition);
}
.page-products .update-item:hover {
  background: var(--bg-card-hover);
  border-left-color: var(--gold-light);
}
.page-products .update-tag {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bg-dark);
  background: var(--gold);
  padding: 2px 10px;
  border-radius: 12px;
  flex-shrink: 0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.page-products .update-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.page-products .updates-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-gold);
  box-shadow: var(--page-card-glow);
  background: var(--bg-card);
}
.page-products .updates-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ── 04 下载方式 ── */
.page-products .section-download {
  padding: 48px 0;
  background: var(--bg-dark);
}
.page-products .download-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  text-align: center;
}
.page-products .download-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.page-products .download-qr img {
  display: block;
  width: 160px;
  height: auto;
  border-radius: var(--radius);
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-gold);
  background: #fff;
}
.page-products .download-qr .text-gold {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.page-products .download-info {
  max-width: 480px;
  text-align: left;
}
.page-products .download-info p {
  line-height: 1.7;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
}
.page-products .download-info .feature-list {
  margin-top: 12px;
}
.page-products .download-info .feature-list li {
  font-size: 0.9rem;
}
.page-products .download-info a {
  color: var(--link);
  text-decoration: none;
  transition: var(--transition);
}
.page-products .download-info a:hover,
.page-products .download-info a:focus-visible {
  color: var(--gold-light);
  text-decoration: underline;
}

/* ── 05 玩法规则 ── */
.page-products .section-rules {
  padding: 48px 0 64px;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #1e1a14 50%, var(--bg-dark) 100%);
  border-top: 1px solid rgba(212, 160, 23, 0.10);
}
.page-products .rules-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-products .rules-text p {
  line-height: 1.7;
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}
.page-products .rules-text a.text-gold {
  color: var(--gold);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}
.page-products .rules-text a.text-gold:hover,
.page-products .rules-text a.text-gold:focus-visible {
  color: var(--gold-light);
  text-decoration: underline;
}
.page-products .rules-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-gold);
  box-shadow: var(--page-card-glow);
  background: var(--bg-card);
}
.page-products .rules-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ── 通用按钮强化 ── */
.page-products .btn-gold,
.page-products .btn-ghost {
  display: inline-block;
  padding: 12px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  font-family: "Noto Sans SC", sans-serif;
}
.page-products .btn-gold {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-light));
  color: var(--bg-dark);
  box-shadow: 0 2px 12px rgba(212, 160, 23, 0.25);
}
.page-products .btn-gold:hover,
.page-products .btn-gold:focus-visible {
  box-shadow: 0 0 28px rgba(212, 160, 23, 0.45);
  transform: translateY(-1px);
}
.page-products .btn-ghost {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.page-products .btn-ghost:hover,
.page-products .btn-ghost:focus-visible {
  background: rgba(212, 160, 23, 0.10);
  box-shadow: 0 0 16px rgba(212, 160, 23, 0.15);
  transform: translateY(-1px);
}

/* ── mt / mb 工具 ── */
.page-products .mt-16 { margin-top: 16px; }
.page-products .mt-32 { margin-top: 32px; }
.page-products .text-center { text-align: center; }
.page-products .text-gold { color: var(--gold); }
.page-products .text-secondary { color: var(--text-secondary); }

/* ── 桌面端 (>767px) ── */
@media (min-width: 768px) {
  .page-products .page-lead-title {
    font-size: 3rem;
  }
  .page-products .page-lead-sub {
    font-size: 1.1rem;
  }
  .page-products .section-title .title-text {
    font-size: 1.9rem;
  }
  .page-products .skill-node {
    max-width: 620px;
    padding: 28px 36px 24px;
    min-height: 150px;
  }
  .page-products .skill-node-detail {
    font-size: 0.9rem;
  }
  .page-products .skill-connector {
    height: 52px;
  }
  .page-products .skill-bg {
    width: 40%;
    max-width: 360px;
    right: 2%;
    bottom: -4%;
  }
  .page-products .replay-grid {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
  .page-products .replay-text {
    flex: 2;
  }
  .page-products .replay-figure {
    flex: 1.2;
    max-width: 460px;
  }
  .page-products .updates-grid {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
  .page-products .updates-list {
    flex: 1.4;
  }
  .page-products .updates-figure {
    flex: 1;
    max-width: 480px;
  }
  .page-products .download-grid {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 56px;
  }
  .page-products .download-qr img {
    width: 200px;
  }
  .page-products .download-qr .text-gold {
    font-size: 1rem;
  }
  .page-products .rules-grid {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }
  .page-products .rules-text {
    flex: 1.2;
  }
  .page-products .rules-figure {
    flex: 1;
    max-width: 520px;
  }
}

/* ── 大桌面端 (>1024px) ── */
@media (min-width: 1024px) {
  .page-products .page-lead {
    padding-top: 48px;
    padding-bottom: 32px;
  }
  .page-products .section-skills {
    padding: 64px 0 72px;
  }
  .page-products .section-replay,
  .page-products .section-updates,
  .page-products .section-download,
  .page-products .section-rules {
    padding: 64px 0;
  }
  .page-products .skill-node {
    max-width: 700px;
    padding: 32px 44px 28px;
  }
  .page-products .skill-connector {
    height: 60px;
  }
  .page-products .skill-bg {
    width: 32%;
    max-width: 320px;
  }
}