/* ===== 页面专属：products ===== */
.page-products {
  --page-stripe: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.5), transparent);
  --page-v7-glow: rgba(255, 215, 0, 0.06);
  position: relative;
  overflow-x: hidden;
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.page-products .breadcrumb-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-products .breadcrumb-link:hover {
  color: var(--color-accent);
}
.page-products .breadcrumb-sep {
  color: var(--color-accent);
}
.page-products .breadcrumb-current {
  color: var(--color-text);
}

/* ===== 01 下载主视觉 ===== */
.page-products .download-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: 2.5rem 0 3.5rem;
  align-items: center;
}
.page-products .download-info {
  position: relative;
}
.page-products .download-info h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 6vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 1rem 0;
  max-width: 14ch;
}
.page-products .download-lead {
  font-size: 1.15rem;
  font-weight: 400;
  margin: 0 0 0.75rem;
}
.page-products .download-desc {
  color: var(--color-text-secondary);
  max-width: 46rem;
}
.page-products .download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.8rem 0 1.4rem;
}
.page-products .btn-download {
  position: relative;
  overflow: hidden;
  min-width: 160px;
  justify-content: center;
}
.page-products .btn-download::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-24deg);
  animation: page-download-scan 2.8s ease-in-out infinite;
}
@keyframes page-download-scan {
  0% { left: -80%; }
  60% { left: 130%; }
  100% { left: 130%; }
}
.page-products .download-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}
.page-products .download-meta li {
  display: flex;
  gap: 0.5rem;
}
.page-products .download-meta li::before {
  content: "▹";
  color: var(--color-accent);
}
.page-products .download-visual {
  position: relative;
}
.page-products .download-app-img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}
.page-products .qr-panel {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 0.85rem 1rem;
  max-width: 310px;
}
.page-products .qr-svg {
  width: 78px;
  height: 78px;
  flex: 0 0 auto;
}
.page-products .qr-svg svg {
  width: 100%;
  height: 100%;
  display: block;
}
.page-products .qr-title {
  display: block;
  font-weight: 600;
  color: var(--color-text);
}
.page-products .qr-sub {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* ===== 02 版本对比 ===== */
.page-products .page-compare-section {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(180deg, rgba(74, 0, 224, 0.06), transparent 25%),
    var(--color-bg);
}
.page-products .compare-wrapper {
  margin-top: 2rem;
}
.page-products .compare-controller {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.page-products .compare-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.page-products .compare-tab {
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}
.page-products .compare-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.page-products #cmp-full:checked ~ label[for="cmp-full"],
.page-products #cmp-v7:checked ~ label[for="cmp-v7"],
.page-products #cmp-v6:checked ~ label[for="cmp-v6"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
  font-weight: 600;
}
.page-products .compare-radio:focus-visible + label {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.page-products .compare-panel {
  display: none;
  animation: page-fade-in 0.3s ease;
}
@keyframes page-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.page-products #cmp-full:checked ~ .compare-stage .panel-full {
  display: block;
}
.page-products #cmp-v7:checked ~ .compare-stage .panel-v7 {
  display: block;
}
.page-products #cmp-v6:checked ~ .compare-stage .panel-v6 {
  display: block;
}
.page-products .compare-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-products .compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--color-bg-card);
}
.page-products .compare-table th,
.page-products .compare-table td {
  padding: 1rem 1.1rem;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
  font-size: 0.95rem;
}
.page-products .compare-table thead th {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  background: rgba(10, 25, 47, 0.6);
}
.page-products .compare-table tbody th {
  color: var(--color-text-secondary);
  font-weight: 500;
  white-space: nowrap;
}
.page-products .compare-table .col-v7 {
  background: var(--page-v7-glow);
}
.page-products .compare-table .col-v7 strong {
  color: var(--color-accent);
}
.page-products .panel-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}
.page-products .panel-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--color-text-secondary);
}
.page-products .panel-list li::before {
  content: "●";
  color: var(--color-accent);
  font-size: 0.6rem;
  position: absolute;
  left: 0;
  top: 0.4rem;
}
.page-products .panel-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.page-products .panel-head h3 {
  margin: 0;
  font-size: 1.25rem;
}
.page-products .compare-figure {
  margin: 2rem 0 0;
}
.page-products .compare-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--color-border);
}

/* ===== 03 系统要求 ===== */
.page-products .page-sysreq-section {
  padding: 3rem 0;
}
.page-products .sysreq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.page-products .sysreq-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  padding: 1.75rem 1.5rem;
}
.page-products .sysreq-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 1rem;
}
.page-products .sysreq-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
.page-products .sysreq-card h3 {
  font-size: 1.3rem;
  margin: 0 0 1rem;
}
.page-products .sysreq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}
.page-products .sysreq-label {
  color: var(--color-text);
  font-weight: 600;
  margin-right: 0.5rem;
}

/* ===== 04 安装步骤 ===== */
.page-products .page-steps-section {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}
.page-products .steps-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-products .step-item {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
}
.page-products .step-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 200;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-accent);
  margin-bottom: 0.5rem;
}
.page-products .step-body h3 {
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
}
.page-products .step-body > p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin: 0 0 0.6rem;
}
.page-products .step-details {
  border-top: 1px dashed var(--color-border);
  margin-top: 0.6rem;
  padding-top: 0.6rem;
}
.page-products .step-details summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}
.page-products .step-details summary::-webkit-details-marker {
  display: none;
}
.page-products .step-details summary:hover {
  color: var(--color-accent-dark);
}
.page-products .step-details[open] summary {
  color: var(--color-accent-dark);
}
.page-products .step-details p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: 0.75rem 0 0;
}
.page-products .steps-media {
  margin-top: 1.5rem;
}
.page-products .steps-media img {
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
}

/* ===== 05 常见问题 ===== */
.page-products .page-faq-section {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}
.page-products .faq-list {
  margin-top: 2rem;
  display: grid;
  gap: 0.85rem;
}
.page-products .faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid transparent;
  transition: border-color var(--transition-fast);
}
.page-products .faq-item[open] {
  border-left-color: var(--color-accent);
}
.page-products .faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.25rem;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.page-products .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-products .faq-item summary::after {
  content: "+";
  color: var(--color-accent);
  font-size: 1.4rem;
  font-weight: 400;
  transition: transform var(--transition-fast);
}
.page-products .faq-item[open] summary::after {
  transform: rotate(45deg);
}
.page-products .faq-item p {
  margin: 0;
  padding: 0 1.25rem 1.2rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}
.page-products .faq-more {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}
.page-products .faq-more a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}
.page-products .faq-more a:hover {
  border-bottom-color: var(--color-accent);
}

/* ===== 附赠：收藏板块展示 ===== */
.page-products .page-showcase-section {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}
.page-products .showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.page-products .showcase-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin: 0.75rem 0 1rem;
}
.page-products .showcase-content p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  max-width: 42rem;
}
.page-products .showcase-image img {
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
}

/* ===== 06 相关推荐 ===== */
.page-products .page-related-section {
  padding: 3rem 0;
}
.page-products .related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}
.page-products .related-card {
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  color: var(--color-text);
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
}
.page-products .related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
  border-color: var(--color-accent);
}
.page-products .related-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}
.page-products .related-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}
.page-products .related-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
}
.page-products .related-svg {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 25, 47, 0.6);
}
.page-products .related-svg svg {
  width: 24px;
  height: 24px;
  display: block;
}

/* ===== 窄屏安全 ===== */
@media (max-width: 479px) {
  .page-products .download-info h1 {
    font-size: 1.85rem;
  }
  .page-products .qr-panel {
    max-width: 100%;
  }
  .page-products .compare-tab {
    flex: 1 1 30%;
    text-align: center;
    padding: 0.55rem 0.75rem;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 1024px) {
  .page-products .download-hero-grid {
    grid-template-columns: 6fr 7fr;
    gap: 4rem;
    padding: 4rem 0 6rem;
  }
  .page-products .download-info h1 {
    font-size: 3.75rem;
  }
  .page-products .download-visual {
    padding-bottom: 2rem;
  }
  .page-products .qr-panel {
    position: absolute;
    bottom: -1.5rem;
    right: 1.5rem;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
    margin: 0;
  }

  .page-products .page-compare-section,
  .page-products .page-sysreq-section,
  .page-products .page-steps-section,
  .page-products .page-faq-section,
  .page-products .page-showcase-section,
  .page-products .page-related-section {
    padding: 5rem 0;
  }

  .page-products .sysreq-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .page-products .sysreq-card {
    padding: 2.25rem 2rem;
  }

  .page-products .steps-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
  .page-products .step-item {
    padding: 1.75rem 1.5rem;
  }
  .page-products .steps-media {
    margin-top: 2rem;
  }
  .page-products .steps-media img {
    display: block;
    margin: 0 auto;
    max-width: 720px;
    max-height: 360px;
    object-fit: cover;
  }

  .page-products .showcase-grid {
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
  }

  .page-products .related-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}