/* ===== 方案与下载 / products 页面专属 ===== */

.page-products {
  background: var(--c-cream);
  color: var(--c-ink);
}

.page-products .products-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

@media (min-width: 768px) {
  .page-products .products-layout {
    padding: 64px 40px 96px;
  }
}

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

/* ---- 页首元组 ---- */
.page-products .page-head {
  position: relative;
  margin-bottom: 48px;
  padding-left: 18px;
  border-left: 6px solid var(--c-accent);
}

.page-products .page-head .breadcrumb {
  margin-bottom: 18px;
}

.page-products .page-title {
  font-family: var(--font-heading);
  font-size: 34px;
  line-height: 1.1;
  text-transform: uppercase;
  margin: 16px 0 14px;
  color: var(--c-primary);
  letter-spacing: .02em;
}

@media (min-width: 768px) {
  .page-products .page-title {
    font-size: 48px;
  }
}

.page-products .page-desc {
  font-size: 16px;
  line-height: 1.75;
  max-width: 780px;
  margin: 0;
  color: rgba(6, 16, 32, .72);
}

/* ---- 下载引导区 ---- */
.page-products .download-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  background-color: var(--c-primary);
  background-image:
    linear-gradient(rgba(0, 212, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, .07) 1px, transparent 1px);
  background-size: 30px 30px;
  color: var(--c-cream);
  border: var(--border-w) solid var(--c-ink);
  box-shadow: 10px 10px 0 rgba(6, 16, 32, .24);
  padding: 28px;
  margin-bottom: 20px;
  overflow: hidden;
}

.page-products .download-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 64px;
  height: 64px;
  background: var(--c-cyan);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: .9;
}

@media (min-width: 960px) {
  .page-products .download-hero {
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    padding: 40px;
    margin-bottom: 32px;
  }
}

.page-products .download-hero-copy {
  position: relative;
  z-index: 1;
}

.page-products .download-hero h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  text-transform: uppercase;
  margin: 16px 0 12px;
  letter-spacing: .03em;
}

.page-products .download-lead {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 44em;
  color: rgba(250, 247, 242, .88);
}

.page-products .download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  padding: 13px 22px;
  font-family: var(--font-heading);
  letter-spacing: .04em;
}

.page-products .btn-download .download-icon {
  transition: transform var(--ease);
}

.page-products .btn-download:hover .download-icon,
.page-products .btn-download:focus-visible .download-icon {
  animation: pageProductsDownloadBlink .6s ease-in-out infinite alternate;
}

@keyframes pageProductsDownloadBlink {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.18);
  }
}

.page-products .btn-download:focus-visible {
  outline: 3px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-products .download-note {
  font-size: 13px;
  line-height: 1.6;
  margin: 20px 0 0;
  color: rgba(250, 247, 242, .78);
}

.page-products .download-note a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-products .download-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--c-cream);
  box-shadow: 6px 6px 0 rgba(0, 212, 255, .18);
}

/* ---- 平台数据条 ---- */
.page-products .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 48px 0;
}

@media (min-width: 768px) {
  .page-products .stat-strip {
    grid-template-columns: repeat(4, 1fr);
    margin: 56px 0;
  }
}

.page-products .stat-chip {
  border: var(--border-w) solid var(--c-ink);
  background: var(--c-cream);
  box-shadow: 4px 4px 0 rgba(6, 16, 32, .16);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .stat-chip .num {
  font-size: 28px;
  line-height: 1;
  color: var(--c-primary);
}

.page-products .stat-label {
  font-size: 14px;
  letter-spacing: .06em;
  color: rgba(6, 16, 32, .68);
}

/* ---- 区块标题 ---- */
.page-products .section-heading {
  margin-bottom: 28px;
  position: relative;
  padding-left: 16px;
  border-left: 4px solid var(--c-cyan);
}

.page-products .section-heading h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--c-primary);
  margin: 10px 0 8px;
}

@media (min-width: 768px) {
  .page-products .section-heading h2 {
    font-size: 34px;
  }
}

.page-products .section-heading .section-subtitle {
  margin: 0;
  max-width: 640px;
  color: rgba(6, 16, 32, .72);
  font-size: 15px;
  line-height: 1.7;
}

/* ---- 版本对比表 ---- */
.page-products .version-compare {
  margin: 72px 0 80px;
}

.page-products .version-arch-image {
  margin: 0 0 28px;
  border: var(--border-w) solid var(--c-ink);
  box-shadow: 8px 8px 0 rgba(6, 16, 32, .18);
  background: var(--c-primary);
}

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

.page-products .version-table-wrap {
  border: var(--border-w) solid var(--c-ink);
  box-shadow: 8px 8px 0 rgba(6, 16, 32, .18);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .version-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--c-cream);
  font-size: 15px;
}

.page-products .version-table th,
.page-products .version-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(6, 16, 32, .12);
  vertical-align: top;
}

.page-products .version-table thead th {
  background: var(--c-ink);
  color: var(--c-cream);
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--c-accent);
}

.page-products .version-table tbody th,
.page-products .version-table td:first-child {
  position: sticky;
  left: 0;
  background: var(--c-primary);
  color: var(--c-cream);
  font-family: var(--font-heading);
  font-size: 15px;
  z-index: 2;
  box-shadow: 2px 0 0 rgba(6, 16, 32, .2);
}

.page-products .version-table tbody tr:last-child td,
.page-products .version-table tbody tr:last-child th {
  border-bottom: none;
}

.page-products .version-table tbody tr:hover td,
.page-products .version-table tbody tr:hover th:not(:first-child) {
  background: rgba(0, 212, 255, .1);
}

.page-products .version-table tbody tr:hover th:first-child {
  background: var(--c-accent);
  color: var(--c-ink);
}

/* ---- 功能矩阵 ---- */
.page-products .feature-matrix {
  margin: 80px 0;
}

.page-products .matrix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 36px;
}

@media (min-width: 640px) {
  .page-products .matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products .matrix-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products .matrix-card {
  background: var(--c-cream);
  border: var(--border-w) solid var(--c-ink);
  box-shadow: 5px 5px 0 rgba(6, 16, 32, .18);
  display: flex;
  flex-direction: column;
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-products .matrix-card:hover,
.page-products .matrix-card:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(6, 16, 32, .22);
}

.page-products .matrix-card-media {
  line-height: 0;
}

.page-products .matrix-card-media img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: var(--border-w) solid var(--c-ink);
}

.page-products .matrix-card-icon-block {
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: var(--border-w) solid var(--c-ink);
  color: var(--c-cream);
}

.page-products .matrix-card-icon-block svg {
  width: 48px;
  height: 48px;
}

.page-products .ic-primary {
  background: var(--c-primary);
}

.page-products .ic-indigo {
  background: var(--c-indigo);
}

.page-products .ic-teal {
  background: var(--c-teal);
}

.page-products .ic-wine {
  background: var(--c-wine);
}

.page-products .matrix-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.page-products .matrix-card-title-row {
  display: flex;
  align-items: center;
}

.page-products .matrix-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--c-primary);
  color: var(--c-cream);
  border: 2px solid var(--c-ink);
  border-radius: var(--radius);
  margin-right: 12px;
  flex: 0 0 auto;
}

.page-products .matrix-card-body h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin: 0;
  color: var(--c-primary);
}

.page-products .matrix-card-body p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
  color: rgba(6, 16, 32, .74);
}

.page-products .matrix-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 4px;
}

.page-products .matrix-card-tags .tag {
  font-size: 12px;
}

/* ---- 系统要求 ---- */
.page-products .system-requirements {
  margin: 80px 0;
}

.page-products .requirements-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 28px;
}

@media (min-width: 640px) {
  .page-products .requirements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-products .requirement-card {
  background: var(--c-primary);
  color: var(--c-cream);
  border: var(--border-w) solid var(--c-ink);
  box-shadow: 6px 6px 0 rgba(6, 16, 32, .2);
  padding: 26px 24px;
}

.page-products .requirement-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin: 0 0 14px;
  border-bottom: 2px solid var(--c-cyan);
  padding-bottom: 10px;
  display: inline-block;
}

.page-products .requirement-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .requirement-card li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.55;
  color: rgba(250, 247, 242, .9);
}

.page-products .requirement-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  background: var(--c-cyan);
}

.page-products .install-guide {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 48px;
  padding: 28px;
  background: var(--c-indigo);
  color: var(--c-cream);
  border: var(--border-w) solid var(--c-ink);
  box-shadow: 8px 8px 0 rgba(6, 16, 32, .22);
}

@media (min-width: 860px) {
  .page-products .install-guide {
    grid-template-columns: .9fr 1.1fr;
    align-items: center;
    padding: 36px;
  }
}

.page-products .install-guide img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--c-cream);
}

.page-products .install-guide-steps h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin: 0 0 16px;
}

.page-products .install-guide-steps ol {
  margin: 0 0 18px;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.page-products .install-guide-steps li {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(250, 247, 242, .92);
}

.page-products .install-guide-steps p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
  color: rgba(250, 247, 242, .82);
}

/* ---- 移动端补充 ---- */
.page-products .mobile-note {
  margin: 32px 0 56px;
  border: var(--border-w) solid var(--c-ink);
  box-shadow: 8px 8px 0 rgba(6, 16, 32, .2);
  color: var(--c-cream);
}

.page-products .mobile-note-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 32px 28px;
}

@media (min-width: 768px) {
  .page-products .mobile-note-grid {
    grid-template-columns: 120px 1fr;
    padding: 44px 48px;
  }
}

.page-products .mobile-note-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(250, 247, 242, .12);
  border: 2px solid rgba(250, 247, 242, .55);
  min-height: 120px;
}

.page-products .mobile-note-content h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: .03em;
  margin: 14px 0 10px;
}

.page-products .mobile-note-content p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 54em;
  color: rgba(250, 247, 242, .9);
}

.page-products .mobile-note-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- 服务条款提示 ---- */
.page-products .terms-notice {
  margin-top: 48px;
  background: var(--c-cream);
  border: 4px solid var(--c-wine);
  box-shadow: 8px 8px 0 var(--c-wine);
  padding: 32px 28px;
}

.page-products .terms-notice-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .page-products .terms-notice-inner {
    grid-template-columns: 1.4fr .8fr;
    align-items: center;
  }
}

.page-products .terms-notice h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: .03em;
  margin: 14px 0 10px;
  color: var(--c-primary);
}

.page-products .terms-notice p {
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
  max-width: 52em;
  color: rgba(6, 16, 32, .78);
}

.page-products .terms-notice a {
  color: var(--c-wine);
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-products .terms-notice-note {
  border-top: 2px dashed var(--c-wine);
  padding-top: 16px;
  color: var(--c-primary);
  font-size: 14px;
}