/* ===== 产品中心 · 页面专属样式 ===== */
.page-products {
  --product-gold: #D4AF37;
  --product-red: #8B0000;
  --product-green: #1B4D3E;
  --product-ink: #F5E6C8;
  --product-muted: #C0A86A;
  --product-surface: #2D1B2E;
  --product-border: #3A2A3A;
  background-color: #1A0A0E;
  color: var(--product-ink);
  font-family: var(--font-body);
  line-height: 1.8;
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.2;
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 面包屑 */
.page-products .breadcrumb {
  margin: 0 0 24px;
  font-size: var(--fs-small);
  color: var(--product-muted);
}
.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--product-border);
}
.page-products .breadcrumb a {
  color: var(--product-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--product-gold);
  outline: 2px solid var(--product-gold);
  outline-offset: 2px;
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--product-ink);
}

/* 通用区块 */
.page-products .product-section {
  padding: 56px 20px;
  position: relative;
}
.page-products .section-tag {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--product-gold);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.35);
  padding: 4px 14px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.page-products .section-alt {
  background: var(--product-surface);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}
.page-products .section-lead {
  font-size: 1.05rem;
  color: var(--product-muted);
  margin-bottom: 28px;
}

/* ===== 首屏 Hero ===== */
.page-products .product-hero {
  padding: 48px 20px 72px;
  position: relative;
  background:
    linear-gradient(180deg, rgba(26, 10, 14, 0) 0%, rgba(26, 10, 14, 1) 100%),
    repeating-linear-gradient(45deg, rgba(212, 175, 55, 0.04) 0 1px, transparent 1px 14px),
    #1A0A0E;
}
.page-products .hero-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  position: relative;
}
.page-products .hero-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}
.page-products .hero-copy {
  position: relative;
  z-index: 2;
}
.page-products .hero-kicker {
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--product-gold);
  margin-bottom: 18px;
}
.page-products .hero-copy h1 {
  font-size: clamp(2.2rem, 9vw, var(--fs-display));
  margin: 0 0 18px;
  color: var(--product-ink);
  letter-spacing: 0.02em;
}
.page-products .hero-strong {
  color: var(--product-gold);
}
.page-products .hero-lead {
  font-size: 1.05rem;
  color: var(--product-muted);
  max-width: 56ch;
  margin-bottom: 30px;
}
.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.page-products .hero-deco {
  position: relative;
  min-height: 220px;
  flex: 1 1 100%;
}
.page-products .deco-block {
  position: absolute;
  display: block;
}
.page-products .deco-block-main {
  top: 10px;
  right: 10px;
  width: 180px;
  height: 240px;
  background: linear-gradient(160deg, var(--product-gold), #6b4e12);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.25;
}
.page-products .deco-block-accent {
  top: 50px;
  right: 90px;
  width: 140px;
  height: 200px;
  background: linear-gradient(160deg, var(--product-red), #3d0303);
  clip-path: polygon(0 0, 100% 0, 74% 100%, 0 100%);
  opacity: 0.55;
}
.page-products .deco-block-coin {
  bottom: 8px;
  right: 30px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #FFD700, #8a6d1d);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
  opacity: 0.8;
}
.page-products .deco-block-coin::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 2px solid #1A0A0E;
  border-radius: 50%;
}

/* ===== 小屏版体验 ===== */
.page-products .mobile-section {
  display: flex;
  flex-direction: column;
  gap: 36px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-top: 40px;
}
.page-products .mobile-visual {
  position: relative;
  flex: 1 1 38%;
  display: flex;
  justify-content: center;
}
.page-products .mobile-visual::before {
  content: "";
  position: absolute;
  inset: 10% 6% auto auto;
  width: 160px;
  height: 260px;
  background: var(--product-red);
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
  opacity: 0.28;
  transform: rotate(4deg);
}
.page-products .mobile-img {
  width: 220px;
  height: 366px;
  object-fit: cover;
  border-radius: 24px;
  border: 2px solid var(--product-border);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 1;
  background: #2D1B2E;
}
.page-products .mobile-content {
  flex: 1 1 58%;
}
.page-products .mobile-content h2 {
  font-size: var(--fs-h2);
  margin: 0 0 14px;
  color: var(--product-ink);
}
.page-products .feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
}
.page-products .feature-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  color: var(--product-ink);
}
.page-products .feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 12px;
  height: 12px;
  background: var(--product-gold);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-products .mobile-note {
  font-size: var(--fs-small);
  color: var(--product-muted);
  border-left: 3px solid var(--product-green);
  padding: 6px 14px;
  margin-bottom: 24px;
}

/* ===== 活动规则查看 ===== */
.page-products .rules-section {
  display: flex;
  flex-direction: column;
  gap: 36px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}
.page-products .rules-content {
  flex: 1 1 60%;
  padding: 40px 20px 60px;
}
.page-products .rules-content h2 {
  font-size: var(--fs-h2);
  margin: 0 0 14px;
  color: var(--product-ink);
}
.page-products .rules-list {
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
  counter-reset: rule;
}
.page-products .rules-list > li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--product-border);
}
.page-products .rule-index {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--product-red);
  background: rgba(139, 0, 0, 0.3);
  min-width: 48px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
}
.page-products .rule-text h3 {
  font-size: var(--fs-h3);
  margin: 0 0 4px;
  color: var(--product-gold);
}
.page-products .rule-text p {
  margin: 0;
  font-size: var(--fs-body);
  color: var(--product-muted);
}
.page-products .rules-visual {
  flex: 1 1 36%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px 48px;
}
.page-products .rules-img {
  width: 240px;
  height: 240px;
  object-fit: cover;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  border: 1px solid rgba(212, 175, 55, 0.4);
}

/* ===== 版本与更新 ===== */
.page-products .version-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-top: 56px;
  padding-bottom: 64px;
}
.page-products .version-head {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 36px;
}
.page-products .version-copy h2 {
  font-size: var(--fs-h2);
  margin: 0 0 14px;
  color: var(--product-ink);
}
.page-products .version-badge {
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-products .version-badge img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  clip-path: polygon(25% 0, 100% 25%, 75% 100%, 0 75%);
  border: 1px solid rgba(212, 175, 55, 0.35);
}
.page-products .version-timeline {
  position: relative;
  margin: 0 0 28px;
}
.page-products .version-item {
  position: relative;
  border-left: 2px solid var(--product-border);
  padding: 0 0 18px 28px;
  margin-bottom: 8px;
}
.page-products .version-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 16px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--product-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
}
.page-products .version-item[data-open="false"]::before {
  background: var(--product-muted);
  box-shadow: none;
}
.page-products .version-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--product-ink);
  padding: 8px 0;
  transition: color 0.2s ease;
}
.page-products .version-item summary::-webkit-details-marker {
  display: none;
}
.page-products .version-item summary:hover,
.page-products .version-item summary:focus-visible {
  color: var(--product-gold);
  outline: 2px solid var(--product-gold);
  outline-offset: 4px;
}
.page-products .version-code {
  font-size: var(--fs-small);
  color: var(--product-gold);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 2px 10px;
  background: rgba(212, 175, 55, 0.08);
}
.page-products .version-title-text {
  flex: 1 1 220px;
  font-size: var(--fs-h3);
}
.page-products .version-current {
  font-size: var(--fs-small);
  color: #1A0A0E;
  background: var(--product-gold);
  padding: 1px 10px;
  font-weight: 700;
}
.page-products .version-detail {
  margin-top: 12px;
  padding: 18px 20px;
  background: rgba(45, 27, 46, 0.65);
  border: 1px solid var(--product-border);
  border-left: 4px solid var(--product-red);
}
.page-products .version-detail p {
  margin: 0 0 10px;
  color: var(--product-muted);
}
.page-products .version-detail ul {
  margin: 0;
  padding-left: 20px;
  color: var(--product-ink);
}
.page-products .version-detail li {
  margin-bottom: 4px;
}
.page-products .version-more {
  text-align: center;
  margin-top: 24px;
}

/* ===== 核心功能 ===== */
.page-products .feature-section {
  padding: 56px 20px 64px;
  overflow: hidden;
}
.page-products .feature-section > * {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}
.page-products .feature-head {
  text-align: left;
  margin-bottom: 36px;
  position: relative;
}
.page-products .feature-head::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -10px;
  width: 140px;
  height: 8px;
  background: var(--product-red);
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
  opacity: 0.7;
}
.page-products .feature-head h2 {
  font-size: var(--fs-h2);
  margin: 0 0 12px;
  color: var(--product-ink);
}
.page-products .feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 40px;
}
.page-products .feature-card {
  position: relative;
  background: linear-gradient(135deg, #3a1f2e 0%, var(--product-surface) 100%);
  border: 1px solid var(--product-border);
  padding: 30px 24px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}
.page-products .feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 14px;
  width: 64px;
  height: 10px;
  background: var(--product-red);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 40% 100%);
  transition: background 0.2s ease, width 0.2s ease;
}
.page-products .feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(212, 175, 55, 0.35);
  background: rgba(212, 175, 55, 0.07);
  margin-bottom: 16px;
}
.page-products .feature-card h3 {
  font-size: var(--fs-h3);
  color: var(--product-gold);
  margin: 0 0 8px;
}
.page-products .feature-card p {
  margin: 0;
  color: var(--product-muted);
  font-size: var(--fs-body);
}
.page-products .feature-reward {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  background: linear-gradient(150deg, rgba(139, 0, 0, 0.4), rgba(27, 77, 62, 0.3));
  border: 1px solid var(--product-border);
  padding: 28px 20px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  text-align: center;
}
.page-products .reward-img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--product-gold);
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.25);
}
.page-products .reward-text h3 {
  font-size: 1.25rem;
  color: var(--product-ink);
  margin: 0 0 8px;
}
.page-products .reward-text p {
  color: var(--product-muted);
  margin: 0 0 18px;
}
.page-products .feature-card h3,
.page-products .feature-card p,
.page-products .feature-card .feature-icon {
  transform: translateZ(0);
}
.page-products .feature-card:nth-child(odd) {
  margin-left: 10px;
}
.page-products .feature-card:nth-child(even) {
  margin-right: 10px;
}

/* ===== 底部行动号召 ===== */
.page-products .closing-section {
  position: relative;
  overflow: hidden;
  padding: 72px 20px;
  text-align: center;
}
.page-products .closing-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-products .closing-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 10, 14, 0.92), rgba(26, 10, 14, 0.85));
}
.page-products .closing-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .closing-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}
.page-products .closing-content h2 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  color: var(--product-gold);
  margin: 0 0 14px;
}
.page-products .closing-content p {
  color: var(--product-muted);
  margin: 0 0 28px;
}
.page-products .closing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ===== 悬停交互增强 ===== */
@media (hover: hover) {
  .page-products .feature-card:hover,
  .page-products .feature-card:focus-within {
    transform: translateY(-6px);
    border-color: rgba(212, 175, 55, 0.6);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.45);
  }
  .page-products .feature-card:hover::before,
  .page-products .feature-card:focus-within::before {
    background: var(--product-gold);
    width: 96px;
  }
  .page-products .feature-card:hover .feature-icon,
  .page-products .feature-card:focus-within .feature-icon {
    background: rgba(212, 175, 55, 0.18);
  }
  .page-products .version-item[data-open="true"] summary {
    color: var(--product-gold);
  }
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-products .product-section {
    padding: 64px 32px;
  }
  .page-products .mobile-img {
    width: 260px;
    height: 432px;
  }
  .page-products .rule-index {
    min-width: 56px;
    height: 40px;
  }
  .page-products .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .feature-reward {
    flex-direction: row;
    text-align: left;
    padding: 36px 32px;
  }
  .page-products .feature-head::after {
    width: 200px;
  }
}

@media (min-width: 960px) {
  .page-products .hero-main {
    flex-direction: row;
    align-items: center;
    min-height: 420px;
  }
  .page-products .hero-deco {
    min-height: 380px;
  }
  .page-products .deco-block-main {
    top: 20px;
    right: 30px;
    width: 280px;
    height: 360px;
  }
  .page-products .deco-block-accent {
    top: 80px;
    right: 160px;
    width: 200px;
    height: 280px;
  }
  .page-products .deco-block-coin {
    bottom: 20px;
    right: 80px;
    width: 80px;
    height: 80px;
  }
  .page-products .mobile-section {
    flex-direction: row;
    align-items: center;
  }
  .page-products .rules-section {
    flex-direction: row;
    align-items: center;
  }
  .page-products .rules-content {
    padding: 40px 0 40px 34px;
  }
  .page-products .rules-img {
    width: 320px;
    height: 320px;
  }
  .page-products .version-head {
    flex-direction: row;
    align-items: center;
  }
  .page-products .version-copy {
    flex: 1 1 70%;
  }
  .page-products .version-badge {
    flex: 1 1 30%;
  }
  .page-products .version-badge img {
    width: 220px;
    height: 220px;
  }
  .page-products .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .feature-card:nth-child(even) {
    margin-right: 0;
  }
  .page-products .feature-card:nth-child(odd) {
    margin-left: 0;
  }
  .page-products .closing-section {
    padding: 96px 32px;
  }
}