.page-products {
  --step-line: rgba(46, 74, 99, .55);
  --panel-line: rgba(231, 225, 212, .14);
  --stage: rgba(18, 35, 61, .74);
  --dim: rgba(246, 243, 236, .62);
  --halo: rgba(46, 74, 99, .5);
  --curve: var(--ease-out);
  background: var(--ink-deep);
  color: var(--warm-white);
  font-family: var(--font-body);
  line-height: 1.9;
  overflow-x: hidden;
}

.page-products .canvas {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: 20px;
}

.page-products .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* 面包屑 */
.page-products .breadcrumbs {
  padding-top: 18px;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--dim);
}

.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rail-line);
}

.page-products .breadcrumb-link {
  color: var(--blue-link);
  text-decoration: none;
}

.page-products .breadcrumb-link:hover {
  color: var(--gold-high);
}

/* 首屏 */
.page-products .tools-hero {
  position: relative;
  padding-block: 24px 48px;
  background:
    radial-gradient(90% 74% at 6% 0%, var(--halo) 0%, rgba(10, 22, 38, 0) 62%),
    radial-gradient(60% 60% at 100% 20%, rgba(242, 180, 65, .07) 0%, rgba(10, 22, 38, 0) 70%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink-deep) 64%, var(--ink-black) 100%);
}

.page-products .tools-hero-grid {
  display: grid;
  gap: 30px;
}

.page-products .section-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-products h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 7vw, 54px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--warm-white);
}

.page-products .lede {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-products .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s var(--curve), background-color .2s var(--curve), border-color .2s var(--curve), color .2s var(--curve);
}

.page-products .btn-primary {
  background: var(--gold);
  color: var(--ink-black);
}

.page-products .btn-primary:hover {
  background: var(--gold-high);
  transform: translateY(-2px);
}

.page-products .btn-ghost {
  border-color: var(--rail-line);
  color: var(--warm-white);
}

.page-products .btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold-high);
  transform: translateY(-2px);
}

.page-products .hero-side {
  padding-top: 4px;
}

.page-products .panel-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--dim);
}

.page-products .hero-index {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-products .hero-index li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--panel-line);
}

.page-products .hero-index .mono {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--gold);
}

.page-products .hero-index a {
  font-size: 15px;
  color: var(--warm-white);
  text-decoration: none;
  transition: color .2s var(--curve);
}

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

/* 章节通用 */
.page-products .section {
  position: relative;
  padding-block: 46px;
  border-top: 1px solid var(--panel-line);
}

.page-products .section--dense {
  background: linear-gradient(180deg, rgba(18, 35, 61, .55) 0%, rgba(10, 22, 38, 0) 100%);
}

.page-products .section-head {
  max-width: 70ch;
  margin-bottom: 26px;
}

.page-products h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.6vw, 33px);
  line-height: 1.26;
  letter-spacing: -.02em;
  color: var(--warm-white);
}

.page-products h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
  color: var(--warm-white);
}

.page-products .prose {
  max-width: 68ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-products .prose a,
.page-products .aside-text a {
  color: var(--blue-link);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 155, 209, .4);
}

.page-products .prose a:hover,
.page-products .aside-text a:hover {
  color: var(--gold-high);
  border-bottom-color: var(--gold-high);
}

.page-products .aside-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* 图片 */
.page-products .figure {
  margin: 0 0 26px;
}

.page-products .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--panel-line);
  background: var(--ink-panel);
}

.page-products .figure-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .figure--lead {
  margin-bottom: 30px;
}

.page-products .figure--compact {
  margin: 0;
}

.page-products .figure--compact img {
  border-color: rgba(242, 180, 65, .3);
}

/* 步骤轨道 */
.page-products .step-tabs {
  margin-top: 4px;
}

.page-products .step-track {
  display: flex;
  gap: 0;
  margin: 0 0 26px;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--step-line);
}

.page-products .step-track::-webkit-scrollbar {
  display: none;
}

.page-products .step-node {
  position: relative;
  flex: 1 1 0;
  min-width: 152px;
  display: grid;
  gap: 3px;
  padding: 24px 14px 16px;
  margin: 0;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  text-align: left;
  color: var(--dim);
  font-family: inherit;
  cursor: pointer;
  transition: color .2s var(--curve), border-color .2s var(--curve), background-color .2s var(--curve);
}

.page-products .step-node::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 2px solid var(--rail-line);
  transition: background-color .2s var(--curve), border-color .2s var(--curve), box-shadow .2s var(--curve);
}

.page-products .step-node:hover {
  color: var(--warm-white);
  background: rgba(18, 35, 61, .5);
}

.page-products .step-node[aria-selected="true"] {
  color: var(--warm-white);
  border-bottom-color: var(--gold);
  background: linear-gradient(180deg, rgba(242, 180, 65, .1) 0%, rgba(242, 180, 65, 0) 100%);
}

.page-products .step-node[aria-selected="true"]::after {
  background: var(--gold);
  border-color: var(--gold-high);
  box-shadow: 0 0 0 4px rgba(242, 180, 65, .18);
}

.page-products .step-num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .step-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .step-time {
  font-size: 11.5px;
  color: var(--dim);
}

.page-products .step-panel {
  display: grid;
  gap: 22px;
  padding: 22px 0 0;
}

.page-products .step-body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-products .check-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-products .check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .check-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .66em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-products .step-aside {
  padding: 18px 20px;
  background: rgba(5, 11, 20, .6);
  border-left: 2px solid var(--gold);
}

.page-products .step-aside--media {
  padding: 0;
  background: transparent;
  border-left: 2px solid rgba(242, 180, 65, .4);
}

/* 设备适配 */
.page-products .device-grid {
  display: grid;
  gap: 22px;
  margin-bottom: 30px;
}

.page-products .device-figure {
  margin: 0;
}

.page-products .device-figure img {
  border: 1px solid var(--panel-line);
}

.page-products .device-figure--tall img {
  max-height: 520px;
  object-position: top center;
}

.page-products .trouble {
  padding: 22px 20px;
  background: var(--stage);
  border: 1px solid var(--panel-line);
}

.page-products .trouble-list {
  margin: 16px 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-products .trouble-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .trouble-list .mono {
  font-size: 12px;
  color: var(--gold);
}

/* 资料下载 */
.page-products .doc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--panel-line);
}

.page-products .doc-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--panel-line);
  border-left: 2px solid transparent;
  padding-left: 16px;
  transition: border-color .2s var(--curve), background-color .2s var(--curve);
}

.page-products .doc-item:hover {
  border-left-color: var(--gold);
  background: rgba(18, 35, 61, .45);
}

.page-products .doc-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 10px;
}

.page-products .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 1px;
  background: var(--paper);
  color: var(--ink-black);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-products .tag-gold {
  background: var(--paper);
  border-bottom: 2px solid var(--gold);
}

.page-products .doc-meta {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.page-products .doc-item p {
  max-width: 74ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-soft);
}

/* 场景对照 */
.page-products .scene-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--panel-line);
}

.page-products .scene {
  padding: 24px 0 24px 18px;
  border-bottom: 1px solid var(--panel-line);
  border-left: 2px solid var(--rail-line);
  transition: border-left-color .24s var(--curve), background-color .24s var(--curve);
}

.page-products .scene:hover {
  border-left-color: var(--gold);
  background: rgba(18, 35, 61, .42);
}

.page-products .scene-tag {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .scene p {
  max-width: 70ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-products .scene-route {
  margin-top: 12px !important;
  font-size: 13.5px !important;
  color: var(--text-dim) !important;
}

.page-products .scene-route .mono {
  color: var(--gold);
  margin-right: 6px;
}

/* 对照表 */
.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--panel-line);
  background: var(--stage);
}

.page-products .route-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .route-table th,
.page-products .route-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--panel-line);
  line-height: 1.75;
}

.page-products .route-table thead th {
  background: rgba(5, 11, 20, .7);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
  white-space: nowrap;
}

.page-products .route-table tbody th {
  font-weight: 700;
  color: var(--warm-white);
  white-space: nowrap;
}

.page-products .route-table tbody td {
  color: var(--text-soft);
}

.page-products .route-table tbody td.mono {
  font-size: 13px;
  color: var(--gold-high);
  white-space: nowrap;
}

.page-products .route-table tbody tr:last-child th,
.page-products .route-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .route-table tbody tr:hover {
  background: rgba(46, 74, 99, .2);
}

/* 帮助带 */
.page-products .help-band {
  display: grid;
  gap: 26px;
  padding: 28px 20px;
  background:
    linear-gradient(90deg, rgba(242, 180, 65, .08) 0%, rgba(10, 22, 38, 0) 42%),
    var(--stage);
  border: 1px solid var(--panel-line);
  border-top: 2px solid var(--gold);
}

.page-products .help-links {
  display: grid;
  gap: 12px;
}

.page-products .help-card {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  text-decoration: none;
  background: rgba(5, 11, 20, .55);
  border: 1px solid var(--rail-line);
  transition: border-color .2s var(--curve), transform .2s var(--curve), background-color .2s var(--curve);
}

.page-products .help-card:hover {
  border-color: var(--gold);
  background: rgba(5, 11, 20, .8);
  transform: translateY(-2px);
}

.page-products .help-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gold);
}

.page-products .help-card-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 动效 */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .34s var(--curve), transform .34s var(--curve);
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-products .canvas {
    padding-inline: 32px;
  }

  .page-products .tools-hero {
    padding-block: 32px 66px;
  }

  .page-products .tools-hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
    align-items: start;
  }

  .page-products .hero-side {
    padding-left: 28px;
    border-left: 1px solid var(--panel-line);
  }

  .page-products .section {
    padding-block: 66px;
  }

  .page-products .section-head {
    margin-bottom: 34px;
  }

  .page-products .step-panel {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    padding-top: 28px;
  }

  .page-products .device-grid {
    grid-template-columns: 7fr 5fr;
    gap: 28px;
    align-items: start;
  }

  .page-products .device-figure--tall img {
    max-height: none;
  }

  .page-products .trouble {
    padding: 26px 28px;
  }

  .page-products .doc-item {
    padding-left: 22px;
  }

  .page-products .scene-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0 28px;
  }

  .page-products .help-band {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    padding: 34px 32px;
  }
}

/* 宽屏 */
@media (min-width: 1080px) {
  .page-products .canvas {
    padding-inline: 48px;
  }

  .page-products .section {
    padding-block: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-products .btn,
  .page-products .step-node,
  .page-products .doc-item,
  .page-products .scene,
  .page-products .help-card {
    transition: none;
  }

  .page-products .btn:hover,
  .page-products .help-card:hover {
    transform: none;
  }
}