.page-products {
  --accent-soft: rgba(160,48,40,.06);
  --blue-soft: rgba(30,58,95,.08);
  --gold-soft: rgba(212,175,55,.3);
  --content-max: var(--content-width);
  padding-bottom: 48px;
}
.page-products img {
  max-width: 100%;
  height: auto;
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 18px var(--content-padding) 0;
  font-size: .88rem;
  color: var(--blue);
}
.page-products .breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  transition: color .2s ease;
}
.page-products .breadcrumb a:hover {
  color: var(--red);
}
.page-products .breadcrumb-sep {
  color: rgba(44,44,44,.4);
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--grey);
  font-weight: 600;
}

/* 页面首屏 */
.page-products .page-hero {
  position: relative;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 28px var(--content-padding) 44px;
}
.page-products .page-hero::before {
  content: "";
  position: absolute;
  left: var(--content-padding);
  right: var(--content-padding);
  bottom: 18px;
  height: 1px;
  background: linear-gradient(90deg, var(--red) 0%, rgba(160,48,40,0) 70%);
}
.page-products .page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 .82rem/1.4 var(--font-sans);
  letter-spacing: .1em;
  color: var(--red);
  margin-bottom: 14px;
}
.page-products .page-kicker::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}
.page-products .page-hero h1 {
  font: 700 clamp(1.9rem, 4.2vw, 2.8rem)/1.25 var(--font-serif);
  color: var(--grey);
  margin: 0 0 16px;
  max-width: 16em;
}
.page-products .page-lead {
  font-size: 1.02rem;
  line-height: 1.8;
  color: #4a4a4a;
  max-width: 70ch;
}

/* 通用分区与栏目标题 */
.page-products .page-section {
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--content-padding);
  padding-right: var(--content-padding);
}
.page-products .page-section + .page-section {
  margin-top: 32px;
}
.page-products .section-heading-block {
  margin-bottom: 28px;
}
.page-products .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 600 .82rem var(--font-sans);
  letter-spacing: .12em;
  color: var(--gold);
  margin-bottom: 8px;
}
.page-products .section-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
}
.page-products .section-heading-block h2 {
  font: 700 32px/1.3 var(--font-serif);
  color: var(--grey);
  margin-bottom: 10px;
}
.page-products .section-heading-block > p {
  margin: 0;
  max-width: 72ch;
  color: #4a4a4a;
  line-height: 1.7;
}

/* 服务范围总览 */
.page-products .scope-section {
  margin-top: 8px;
}
.page-products .scope-grid {
  display: grid;
  gap: 32px;
}
.page-products .scope-main h2 {
  font: 700 32px/1.3 var(--font-serif);
  color: var(--grey);
  margin-bottom: 12px;
}
.page-products .scope-intro {
  max-width: 62ch;
  margin-bottom: 20px;
  color: #3f3f3f;
  line-height: 1.7;
}
.page-products .scope-image {
  display: block;
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  max-height: 380px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}
.page-products .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  background: var(--light);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-products .scope-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(44,44,44,.08);
}
.page-products .scope-item:last-child {
  border-bottom: none;
}
.page-products .scope-index {
  font: 700 .9rem/1 var(--font-serif);
  color: var(--gold);
  letter-spacing: .04em;
}
.page-products .scope-item h3 {
  font: 700 1.02rem/1.5 var(--font-sans);
  color: var(--grey);
  margin-bottom: 2px;
}
.page-products .scope-item p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: #4a4a4a;
}

/* 下载卡片 */
.page-products .download-side {
  align-self: start;
}
.page-products .download-card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(160,48,40,.14);
  border-top: 4px solid var(--red);
  border-radius: var(--radius);
  box-shadow:
    0 2px 4px rgba(0,0,0,.03),
    0 12px 24px rgba(30,58,95,.10),
    0 20px 44px rgba(160,48,40,.08);
  padding: 32px 26px;
}
.page-products .download-card::after {
  content: "";
  position: absolute;
  top: -14px;
  right: 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(212,175,55,.18);
}
.page-products .download-eyebrow {
  font: 600 .8rem var(--font-sans);
  letter-spacing: .14em;
  color: var(--gold);
  margin-bottom: 10px;
}
.page-products .download-title {
  font: 700 1.4rem/1.45 var(--font-serif);
  color: var(--grey);
  margin-bottom: 10px;
}
.page-products .download-note {
  font-size: .92rem;
  color: #555;
  margin-bottom: 22px;
}
.page-products .download-list {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}
.page-products .download-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--light);
  border-radius: 10px;
}
.page-products .device-icon {
  color: var(--blue);
  display: inline-flex;
  flex-shrink: 0;
}
.page-products .download-name {
  flex: 1;
  font-weight: 600;
  color: var(--grey);
}
.page-products .version-pill {
  font: 700 .82rem var(--font-sans);
  color: var(--white);
  background: var(--red);
  padding: 3px 14px;
  border-radius: 999px;
  white-space: nowrap;
}
.page-products .download-note-secondary {
  font-size: .85rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
}
.page-products .download-actions {
  display: grid;
  gap: 12px;
}
.page-products .btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
  padding: 12px 18px;
  font: 600 .98rem/1.4 var(--font-sans);
  text-decoration: none;
  transition: background-color var(--transition), box-shadow var(--transition), transform .15s ease;
  width: 100%;
  box-sizing: border-box;
}
.page-products .btn:hover {
  transform: translateY(-1px);
}
.page-products .btn-primary {
  background: var(--blue);
  color: var(--white);
}
.page-products .btn-primary:hover {
  background: var(--dark-red);
  box-shadow: 0 6px 16px rgba(30,58,95,.2);
}
.page-products .btn-secondary {
  background: transparent;
  border: 1px solid var(--blue);
  color: var(--blue);
}
.page-products .btn-secondary:hover {
  background: rgba(30,58,95,.06);
}

/* 标签页 */
.page-products .tabs-nav {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--light);
  margin-bottom: 24px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-products .tabs-nav::-webkit-scrollbar {
  display: none;
}
.page-products .tab-button {
  font: 600 .96rem/1.4 var(--font-sans);
  color: var(--grey);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 12px 18px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease;
}
.page-products .tab-button:hover {
  color: var(--red);
}
.page-products .tab-button[aria-selected="true"] {
  color: var(--red);
  border-bottom-color: var(--red);
}
.page-products .tab-panel[hidden] {
  display: none;
}

/* 客户端版本列表 */
.page-products .versions-section {
  margin-top: 16px;
}
.page-products .version-panel {
  background: var(--light);
  border-radius: var(--radius);
  padding: 28px;
}
.page-products .version-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.page-products .version-mark {
  font: 700 1.25rem/1 var(--font-serif);
  color: var(--white);
  background: var(--red);
  padding: 5px 14px;
  border-radius: 8px;
  display: inline-flex;
}
.page-products .version-platform {
  font: 600 .9rem var(--font-sans);
  color: var(--blue);
}
.page-products .version-desc {
  margin-bottom: 16px;
  color: #444;
  line-height: 1.7;
}
.page-products .version-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}
.page-products .version-list li {
  line-height: 1.65;
  color: var(--grey);
}
.page-products .version-footnote {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--light-blue);
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .92rem;
  color: #2f3b4d;
  line-height: 1.7;
}

/* 兼容性说明 */
.page-products .compat-section {
  margin-top: 16px;
  scroll-margin-top: 16px;
}
.page-products .compat-layout {
  display: grid;
  gap: 24px;
  align-items: center;
}
.page-products .compat-copy h2 {
  font: 700 32px/1.3 var(--font-serif);
  color: var(--grey);
  margin-bottom: 10px;
}
.page-products .compat-copy > p {
  color: #4a4a4a;
  line-height: 1.7;
}
.page-products .compat-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .compat-list li {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: var(--light);
  border-radius: var(--radius);
  border-left: 4px solid var(--blue);
  line-height: 1.65;
  color: #3a3a3a;
}
.page-products .compat-list li:nth-child(2) {
  border-left-color: var(--gold);
}
.page-products .compat-list li:nth-child(n+3) {
  border-left-color: var(--red);
}
.page-products .compat-list strong {
  display: block;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 6px;
}
.page-products .compat-media img {
  display: block;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.page-products .media-caption {
  font-size: .86rem;
  color: #777;
  margin-top: 10px;
  text-align: center;
}

/* 登录与数据同步 */
.page-products .sync-section {
  margin-top: 16px;
}
.page-products .sync-layout {
  display: grid;
  gap: 24px;
  align-items: center;
}
.page-products .sync-media img {
  display: block;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.page-products .sync-copy h2 {
  font: 700 32px/1.3 var(--font-serif);
  color: var(--grey);
  margin-bottom: 10px;
}
.page-products .sync-lead {
  color: #4a4a4a;
  line-height: 1.8;
  margin-bottom: 16px;
}
.page-products .sync-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .sync-list li {
  position: relative;
  padding-left: 22px;
  color: var(--grey);
  line-height: 1.7;
}
.page-products .sync-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  position: absolute;
  left: 0;
  top: .75em;
}
.page-products .sync-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  background: var(--light-blue);
  border-radius: var(--radius);
  padding: 20px;
}
.page-products .stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.page-products .stat-item strong {
  font: 700 1.45rem/1.2 var(--font-serif);
  color: var(--blue);
}
.page-products .stat-item:first-child strong {
  color: var(--red);
}
.page-products .stat-item span {
  font-size: .88rem;
  color: #3f4b5e;
}

/* 安装步骤 */
.page-products .install-section {
  width: 100%;
  background: var(--dark-red);
  padding: 48px 0;
  margin-top: 56px;
  scroll-margin-top: 16px;
}
.page-products .install-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: var(--content-padding);
  padding-right: var(--content-padding);
  color: var(--white);
}
.page-products .install-heading h2 {
  color: var(--white);
}
.page-products .install-heading > p {
  color: rgba(250,248,245,.78);
}
.page-products .install-layout {
  display: grid;
  gap: 28px;
  align-items: start;
}
.page-products .install-section .tabs-nav {
  border-bottom-color: rgba(250,248,245,.2);
  margin-bottom: 20px;
}
.page-products .install-section .tab-button {
  color: rgba(250,248,245,.8);
}
.page-products .install-section .tab-button:hover {
  color: var(--white);
}
.page-products .install-section .tab-button[aria-selected="true"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.page-products .install-panel {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 24px;
}
.page-products .install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-products .install-step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
}
.page-products .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(212,175,55,.18);
  border: 1px solid rgba(212,175,55,.45);
  color: var(--gold);
  font: 700 1.02rem/1 var(--font-serif);
}
.page-products .step-body h3 {
  font: 700 1.02rem/1.5 var(--font-sans);
  color: var(--white);
  margin-bottom: 4px;
}
.page-products .step-body p {
  margin: 0;
  color: rgba(250,248,245,.78);
  line-height: 1.7;
  font-size: .94rem;
}
.page-products .uninstall-note {
  margin: 20px 0 0;
  padding: 12px 16px;
  border: 1px dashed rgba(250,248,245,.4);
  border-radius: 10px;
  font-size: .88rem;
  color: rgba(250,248,245,.8);
  line-height: 1.6;
}
.page-products .install-visual {
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: 0 18px 40px rgba(0,0,0,.18);
}
.page-products .install-visual img {
  display: block;
  border-radius: 8px;
}
.page-products .install-visual p {
  margin: 12px 0 2px;
  font-size: .9rem;
  color: var(--grey);
  text-align: center;
  line-height: 1.6;
}

/* 相关导航 */
.page-products .related-section {
  margin-top: 48px;
}
.page-products .related-heading {
  margin-bottom: 20px;
}
.page-products .related-title {
  font: 700 32px/1.3 var(--font-serif);
  color: var(--grey);
  margin: 0;
}
.page-products .related-grid {
  display: grid;
  gap: 14px;
}
.page-products .related-link {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--light);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color var(--transition), box-shadow var(--transition), transform .2s ease;
}
.page-products .related-link:hover {
  border-color: rgba(160,48,40,.25);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.page-products .related-index {
  font: 700 1.1rem/1 var(--font-serif);
  color: var(--gold);
}
.page-products .related-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-products .related-content strong {
  font: 700 1.08rem var(--font-sans);
  color: var(--grey);
}
.page-products .related-content span:last-child {
  font-size: .92rem;
  color: #555;
  line-height: 1.6;
}

/* 页面底部装饰 */
.page-products .page-bottom-texture {
  max-width: var(--content-max);
  margin: 40px auto 0;
  padding: 0 var(--content-padding);
}
.page-products .page-bottom-texture img {
  display: block;
  width: 100%;
  border-radius: var(--radius);
}

/* 桌面与平板断点 */
@media (min-width: 768px) {
  .page-products .page-hero {
    padding-top: 40px;
    padding-bottom: 56px;
  }
  .page-products .page-hero h1 {
    font-size: 2.6rem;
  }
  .page-products .scope-grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }
  .page-products .download-card {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }
  .page-products .compat-layout {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }
  .page-products .sync-layout {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
  }
  .page-products .sync-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .install-layout {
    grid-template-columns: 1fr 280px;
  }
  .page-products .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-products .scope-section {
    padding-top: 16px;
  }
  .page-products .scope-image {
    max-height: 420px;
  }
  .page-products .version-panel {
    padding: 32px 36px;
  }
  .page-products .version-panel .version-list {
    grid-template-columns: 1fr 1fr;
    gap: 10px 28px;
  }
  .page-products .install-section {
    padding: 64px 0;
  }
}