.page-products {
  --products-teal: #1A3A2F;
  --products-gold: #C8A165;
  --products-terracotta: #B54A3A;
  --products-gray: #4A4A48;
  --products-cream: #F4EFE7;
  --products-ink: #1B1C1B;
  --products-pale-teal: #D7E3DC;
  --products-earth: #A67C4A;

  color: var(--products-ink);
  background: var(--products-cream);
  overflow-x: hidden;
}

.page-products-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.page-products .breadcrumb {
  font-family: var(--font-accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 32px;
  color: var(--products-gray);
}

.page-products .breadcrumb a {
  color: var(--products-teal);
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-products .breadcrumb a:hover {
  border-color: var(--products-gold);
  color: var(--products-gold);
}

.page-products .breadcrumb-sep {
  margin: 0 10px;
  color: var(--products-earth);
}

.page-products .breadcrumb-current {
  color: var(--products-teal);
  font-weight: 700;
}

/* ------------------------------ 首屏封面 ------------------------------ */
.page-products .products-cover {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  border: 6px solid var(--products-ink);
  background: var(--products-teal);
  color: var(--products-cream);
  padding: 32px 24px;
  box-shadow: 8px 8px 0 rgba(27, 28, 27, 0.25);
  position: relative;
  margin-bottom: 40px;
}

.page-products .products-cover-side {
  display: flex;
  justify-content: flex-end;
}

.page-products .vertical-note {
  writing-mode: vertical-rl;
  font-family: var(--font-accent);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--products-gold);
  border-left: 2px solid var(--products-gold);
  padding-left: 8px;
  min-height: 88px;
}

.page-products .products-cover-main h1 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--products-cream);
  margin: 0 0 18px;
  letter-spacing: 0.02em;
}

.page-products .products-lede {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(244, 239, 231, 0.88);
  max-width: 720px;
  margin-bottom: 28px;
}

.page-products .products-cover-index {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  border-top: 2px solid rgba(200, 161, 101, 0.4);
  padding-top: 20px;
}

.page-products .products-cover-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--products-cream);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .products-cover-index a:hover {
  color: var(--products-gold);
  border-color: var(--products-gold);
}

.page-products .cover-index-no {
  font-family: var(--font-accent);
  font-size: 12px;
  color: var(--products-gold);
  background: rgba(200, 161, 101, 0.14);
  padding: 2px 6px;
  border: 1px solid rgba(200, 161, 101, 0.5);
}

/* ------------------------------ 叙述段 ------------------------------ */
.page-products .products-narrative {
  max-width: 860px;
  margin: 0 auto 56px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 2;
  color: var(--products-gray);
  border-left: 6px solid var(--products-gold);
  padding-left: 24px;
  background: var(--products-pale-teal);
  padding: 24px 28px;
}

.page-products .products-narrative p {
  margin: 0;
}

/* ------------------------------ 章节标题通用 ------------------------------ */
.page-products .section-heading-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 36px;
  border-bottom: 4px solid var(--products-ink);
  padding-bottom: 16px;
}

.page-products .section-index {
  font-family: var(--font-accent);
  font-size: 15px;
  color: var(--products-terracotta);
  border: 3px solid var(--products-terracotta);
  padding: 4px 8px;
  white-space: nowrap;
  box-shadow: 3px 3px 0 rgba(181, 74, 58, 0.25);
}

.page-products .section-heading-row h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  color: var(--products-teal);
  margin: 0 0 6px;
  line-height: 1.25;
}

.page-products .section-desc {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--products-gray);
  margin: 0;
  max-width: 720px;
}

/* ------------------------------ 栏目架构 ------------------------------ */
.page-products .architecture-section {
  padding: 24px 0 48px;
}

.page-products .architecture-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .architecture-visual {
  position: relative;
}

.page-products .architecture-visual .media-frame {
  border: 5px solid var(--products-ink);
  box-shadow: 6px 6px 0 rgba(27, 28, 27, 0.2);
}

.page-products .visual-caption {
  position: absolute;
  bottom: 18px;
  right: 18px;
  background: var(--products-terracotta);
  color: var(--products-cream);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  padding: 6px 14px;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
}

.page-products .visual-caption span {
  font-size: 22px;
  margin-right: 2px;
}

.page-products .architecture-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .column-item {
  background: var(--products-cream);
  border: 3px solid var(--products-teal);
  padding: 20px 18px 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.page-products .column-item:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 rgba(26, 58, 47, 0.25);
}

.page-products .column-item h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--products-teal);
  margin: 0 0 8px;
}

.page-products .column-item p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--products-gray);
  margin: 0 0 14px;
}

.page-products .tag {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--products-teal);
  background: transparent;
  border: 2px solid var(--products-teal);
  padding: 2px 8px;
  text-transform: uppercase;
}

.page-products .tag-terracotta {
  border-color: var(--products-terracotta);
  color: var(--products-terracotta);
}

.page-products .architecture-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 44px;
}

.page-products .stat-block {
  background: var(--products-teal);
  color: var(--products-cream);
  border: 4px solid var(--products-ink);
  box-shadow: 5px 5px 0 rgba(27, 28, 27, 0.3);
  padding: 18px 16px;
}

.page-products .stat-block strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 900;
  color: var(--products-gold);
  line-height: 1.1;
}

.page-products .stat-block span {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(244, 239, 231, 0.85);
  margin-top: 4px;
}

/* ------------------------------ 分隔 ------------------------------ */
.page-products .products-divider {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 40px 0;
  padding: 20px 0;
  border-top: 4px solid var(--products-ink);
  border-bottom: 4px solid var(--products-ink);
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--products-teal);
  white-space: nowrap;
}

.page-products .products-divider::after {
  content: "";
  flex: 1;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--products-gold) 0 12px, transparent 12px 22px);
}

.page-products .products-divider-gold::before {
  content: "";
  width: 34px;
  height: 34px;
  background: var(--products-gold);
  transform: rotate(45deg);
  flex-shrink: 0;
  border: 3px solid var(--products-ink);
}

/* ------------------------------ 会员权益 ------------------------------ */
.page-products .membership-section {
  padding: 24px 0 48px;
}

.page-products .membership-visual-row {
  margin-bottom: 32px;
}

.page-products .membership-visual-row .media-frame {
  border: 5px solid var(--products-ink);
  box-shadow: 7px 7px 0 rgba(27, 28, 27, 0.2);
}

.page-products .membership-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .member-card {
  background: var(--products-cream);
  border: 4px solid var(--products-ink);
  box-shadow: 5px 5px 0 rgba(27, 28, 27, 0.18);
  padding: 24px 20px 28px;
  transition: box-shadow 0.3s ease, transform 0.2s ease;
  position: relative;
}

.page-products .member-card:hover {
  transform: translateY(-3px);
  box-shadow: 9px 9px 0 rgba(27, 28, 27, 0.25);
}

.page-products .member-level {
  font-family: var(--font-accent);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--products-earth);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.page-products .member-card h3 {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 900;
  color: var(--products-teal);
  margin: 0 0 8px;
}

.page-products .member-desc {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--products-gray);
  margin-bottom: 16px;
}

.page-products .member-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 8px;
}

.page-products .member-card li {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--products-ink);
  padding-left: 22px;
  position: relative;
}

.page-products .member-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 11px;
  height: 11px;
  background: var(--products-gold);
  border: 2px solid var(--products-ink);
}

.page-products .member-card-basic li::before {
  background: var(--products-pale-teal);
}

.page-products .member-card-gold {
  background: linear-gradient(135deg, #FBF6EC 0%, #F4EFE7 100%);
  border-color: var(--products-gold);
}

.page-products .member-card-gold li::before {
  background: var(--products-gold);
}

.page-products .btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  padding: 10px 20px;
  border: 3px solid var(--products-ink);
  box-shadow: 4px 4px 0 rgba(27, 28, 27, 0.25);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.page-products .btn:hover {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 rgba(27, 28, 27, 0.3);
}

.page-products .btn-primary {
  background: var(--products-teal);
  color: var(--products-cream);
}

.page-products .btn-outline {
  background: transparent;
  color: var(--products-teal);
}

.page-products .membership-extension {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
  background: var(--products-pale-teal);
  border: 4px solid var(--products-ink);
  padding: 20px;
}

.page-products .membership-extension .media-frame {
  border: 4px solid var(--products-ink);
  box-shadow: 4px 4px 0 rgba(27, 28, 27, 0.2);
}

.page-products .extension-content h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 900;
  color: var(--products-teal);
  margin: 0 0 12px;
}

.page-products .extension-content p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--products-gray);
  margin: 0 0 16px;
}

/* ------------------------------ 资料库指南 ------------------------------ */
.page-products .guide-section {
  padding: 24px 0 48px;
}

.page-products .guide-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .step-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  background: var(--products-cream);
  border: 3px solid var(--products-ink);
  box-shadow: 4px 4px 0 rgba(27, 28, 27, 0.18);
  padding: 18px 16px 16px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .step-item:hover {
  border-color: var(--products-gold);
  transform: translateX(4px);
}

.page-products .step-no {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 900;
  color: var(--products-cream);
  background: var(--products-teal);
  border: 3px solid var(--products-ink);
  box-shadow: 3px 3px 0 rgba(27, 28, 27, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
}

.page-products .step-item h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: var(--products-teal);
  margin: 0 0 6px;
}

.page-products .step-item p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--products-gray);
  margin: 0;
}

.page-products .guide-aside {
  background: var(--products-teal);
  border: 5px solid var(--products-ink);
  box-shadow: 7px 7px 0 rgba(27, 28, 27, 0.3);
  padding: 20px;
  color: var(--products-cream);
  align-self: start;
}

.page-products .guide-aside .media-frame {
  border: 4px solid var(--products-ink);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
  margin-bottom: 20px;
}

.page-products .guide-aside-note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 239, 231, 0.9);
  border-left: 4px solid var(--products-gold);
  padding-left: 14px;
  margin-bottom: 18px;
}

.page-products .guide-aside-note p {
  margin: 0;
}

/* ------------------------------ 平台架构图 ------------------------------ */
.page-products .platform-techture {
  position: relative;
  margin-top: 32px;
  border: 6px solid var(--products-ink);
  box-shadow: 8px 8px 0 rgba(27, 28, 27, 0.25);
  overflow: hidden;
}

.page-products .platform-techture .media-frame-tech {
  position: relative;
  width: 100%;
}

.page-products .platform-techture img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .tech-overlay {
  position: relative;
  z-index: 2;
  background: var(--products-ink);
  padding: 22px 18px 26px;
  color: var(--products-cream);
  margin-top: -6px;
}

.page-products .tech-overlay h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 900;
  color: var(--products-gold);
  margin: 0 0 10px;
}

.page-products .tech-overlay p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 239, 231, 0.86);
  margin: 0 0 16px;
}

.page-products .tech-overlay .btn-outline {
  color: var(--products-cream);
}

/* ------------------------------ 桌面端适配 ------------------------------ */
@media (min-width: 768px) {
  .page-products-inner {
    padding: 28px 32px 80px;
  }

  .page-products .products-cover {
    grid-template-columns: 80px 1fr;
    gap: 28px;
    padding: 40px 36px;
  }

  .page-products .products-cover-side {
    align-items: flex-start;
    justify-content: flex-start;
  }

  .page-products .architecture-layout {
    grid-template-columns: 340px 1fr;
    gap: 34px;
  }

  .page-products .architecture-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-products .architecture-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-products .membership-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-products .membership-extension {
    grid-template-columns: 260px 1fr;
    padding: 24px;
  }

  .page-products .guide-layout {
    grid-template-columns: 1.4fr 0.9fr;
    align-items: start;
  }

  .page-products .platform-techture img {
    max-height: 520px;
  }

  .page-products .tech-overlay {
    padding: 30px 36px;
  }
}

@media (min-width: 1200px) {
  .page-products .architecture-columns {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .step-item {
    padding: 20px 18px;
  }
}