/* ===== 产品中心：画廊式产品展示 ===== */

.page-products-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1A1A1A 0%, #333333 100%);
  color: var(--paper);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-products-hero::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(107, 181, 165, 0.22);
  top: -160px;
  right: -160px;
}

.page-products-hero::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(232, 168, 56, 0.16);
  bottom: -120px;
  left: 10%;
}

.page-products-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 968px) {
  .page-products-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4rem;
  }
}

.page-products-hero-copy {
  max-width: 34rem;
}

.page-products-hero-kicker {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--spring);
  margin-bottom: 0.75rem;
}

.page-products-hero-title {
  font-family: var(--serif-display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.12;
  color: var(--paper);
  margin: 1rem 0;
}

.page-products-hero-lead {
  font-family: var(--serif-text);
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(248, 245, 239, 0.75);
  margin-bottom: 2rem;
  max-width: 46ch;
}

.page-products-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-products .btn-primary {
  box-shadow: 0 12px 30px rgba(229, 84, 77, 0.38);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-products .btn-primary:hover,
.page-products .btn-primary:focus {
  box-shadow: 0 18px 44px rgba(229, 84, 77, 0.5);
  transform: translateY(-2px);
}

.page-products-hero-actions .btn-ghost {
  color: var(--paper);
  border-color: rgba(248, 245, 239, 0.45);
}

.page-products-hero-actions .btn-ghost:hover,
.page-products-hero-actions .btn-ghost:focus {
  background: rgba(248, 245, 239, 0.12);
  border-color: var(--paper);
}

.page-products-hero-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  color: rgba(248, 245, 239, 0.62);
}

.page-products-hero-meta li {
  display: inline-flex;
  align-items: center;
}

.page-products-hero-meta li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--summer);
  margin-right: 0.5rem;
}

.page-products-hero .breadcrumb-list,
.page-products-hero .breadcrumb-list a {
  color: rgba(248, 245, 239, 0.72);
}

.page-products-hero .breadcrumb-list a:hover {
  color: #ffffff;
}

.page-products-frame {
  margin: 0;
  background: var(--paper);
  padding: 1rem 1rem 0;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  border-radius: 4px;
}

.page-products-frame-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: #e5e0d6;
}

.page-products .exhibit {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 0.25rem;
}

.page-products .exhibit-label {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--summer);
  text-transform: uppercase;
}

.page-products .exhibit-title {
  font-family: var(--serif-display);
  font-size: 1.5rem;
  color: var(--ink);
}

.page-products .exhibit-note {
  font-family: var(--serif-text);
  font-size: 0.875rem;
  color: var(--muted);
}

/* ===== 区块通用 ===== */

.page-products .section-head {
  max-width: 38rem;
  margin-bottom: 2rem;
}

.page-products .section-title {
  font-family: var(--serif-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--ink);
  margin: 0.5rem 0;
}

.page-products .section-index {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--summer);
  font-weight: 600;
}

.page-products .section-lead {
  font-family: var(--serif-text);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ===== 01 V3.2 版本亮点 ===== */

.page-products-features {
  background: var(--paper);
  padding: var(--space) 0;
}

.page-products-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .page-products-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products-feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-products-feature-item {
  border-top: 2px solid var(--ink);
  padding: 1.5rem 0;
}

.page-products-feature-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.page-products-feature-item:nth-child(2) .page-products-feature-num {
  background: var(--summer);
}

.page-products-feature-item:nth-child(3) .page-products-feature-num {
  background: var(--autumn);
}

.page-products-feature-item:nth-child(4) .page-products-feature-num {
  background: var(--winter);
}

.page-products-feature-title {
  font-family: var(--serif-display);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.page-products-feature-item p {
  font-family: var(--serif-text);
  font-size: 0.925rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

/* ===== 02 版本标签展示 ===== */

.page-products-showcase {
  background: linear-gradient(135deg, rgba(107, 181, 165, 0.14), rgba(123, 155, 184, 0.12)), var(--paper);
  padding: var(--space) 0;
}

.page-products-showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .page-products-showcase-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  }
}

.page-products-showcase-media img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  box-shadow: var(--shadow);
  border: 1px solid rgba(26, 26, 26, 0.25);
}

.page-products-showcase .section-index {
  color: var(--spring);
}

.page-products-showcase-copy p:not(.section-index):not(.section-lead) {
  font-family: var(--serif-text);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .link-more {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--sans);
  font-weight: 600;
  color: var(--spring);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.page-products .link-more:hover {
  border-color: var(--spring);
}

/* ===== 03 功能导览 ===== */

.page-products-modules {
  background: linear-gradient(135deg, #1A1A1A 0%, #2E2E2E 100%);
  color: var(--paper);
  padding: var(--space) 0;
}

.page-products-modules .section-title {
  color: var(--paper);
}

.page-products-modules .section-lead {
  color: rgba(248, 245, 239, 0.72);
}

.page-products-modules .section-index {
  color: var(--autumn);
}

.page-products-modules-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
  align-items: center;
}

@media (min-width: 968px) {
  .page-products-modules-wrap {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }
}

.page-products-modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products-module-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-products-module-card[open] {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(232, 168, 56, 0.4);
}

.page-products-module-summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.page-products-module-summary::-webkit-details-marker {
  display: none;
}

.page-products-module-summary::-moz-list-bullet {
  list-style: none;
}

.page-products-module-summary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.page-products-module-index {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--autumn);
  width: 2rem;
}

.page-products-module-title {
  font-family: var(--serif-display);
  font-size: 1.2rem;
  color: var(--paper);
  flex: 1;
}

.page-products-module-toggle {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.page-products-module-toggle::before,
.page-products-module-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--paper);
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-products-module-toggle::before {
  width: 14px;
  height: 2px;
}

.page-products-module-toggle::after {
  width: 2px;
  height: 14px;
}

.page-products-module-card[open] .page-products-module-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-products-module-body {
  padding: 0 1.25rem 1.25rem;
  font-family: var(--serif-text);
  font-size: 0.925rem;
  line-height: 1.75;
  color: rgba(248, 245, 239, 0.72);
}

.page-products-modules-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.page-products-modules .exhibit-label,
.page-products-history .exhibit-label {
  display: block;
  margin-top: 0.5rem;
}

.page-products-modules .exhibit-label {
  color: var(--autumn);
}

/* ===== 04 下载与安装 ===== */

.page-products-install {
  background: var(--paper);
  padding: var(--space) 0;
}

.page-products-install-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 2rem;
}

@media (min-width: 900px) {
  .page-products-install-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }
}

.page-products-install-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.page-products-install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products-install-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products-step-num {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--summer);
  border: 1px solid var(--summer);
  border-radius: 50%;
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-products-install-step h3 {
  font-family: var(--serif-display);
  font-size: 1.2rem;
  margin: 0 0 0.25rem;
  color: var(--ink);
}

.page-products-install-step p {
  margin: 0;
  font-family: var(--serif-text);
  font-size: 0.925rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-products-install-note {
  margin-top: 2rem;
  padding: 1.25rem;
  background: rgba(123, 155, 184, 0.14);
  border-left: 4px solid var(--winter);
  font-family: var(--serif-text);
  font-size: 0.925rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-products-install-note a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== 05 版本历程 ===== */

.page-products-history {
  background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
  color: var(--paper);
  padding: var(--space) 0;
}

.page-products-history .section-title {
  color: var(--paper);
}

.page-products-history .section-index {
  color: var(--spring);
}

.page-products-history-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 968px) {
  .page-products-history-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}

.page-products-timeline {
  list-style: none;
  margin: 2rem 0;
  padding: 0;
}

.page-products-timeline li {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(248, 245, 239, 0.14);
}

.page-products-year {
  font-family: var(--sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--autumn);
  min-width: 5ch;
}

.page-products-era {
  font-family: var(--serif-display);
  font-size: 1.1rem;
  color: var(--paper);
}

.page-products-history-text {
  font-family: var(--serif-text);
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(248, 245, 239, 0.75);
}

.page-products-history-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.page-products-history .exhibit-label {
  color: var(--spring);
}

/* ===== 底部信任横幅 ===== */

.page-products-trust {
  background: linear-gradient(90deg, var(--spring) 0%, var(--winter) 100%);
  color: var(--ink);
  padding: 1.5rem 0;
}

.page-products-trust p {
  font-family: var(--serif-text);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  margin: 0;
}