/* ===== 安装服务页 · page-products ===== */
.page-products {
  --pr-gap: 10px;
  --pr-pad: 20px;
  --pr-card-bg: rgba(22, 50, 74, .62);
  --pr-hair: 1px solid rgba(201, 194, 182, .18);
  --pr-edge: 1px solid rgba(169, 118, 47, .38);
  background: var(--navy-900);
  color: #D6D1C5;
  padding-bottom: 0;
}

@media (min-width: 1100px) {
  .page-products {
    --pr-pad: max(20px, calc((100vw - var(--shell)) / 2));
  }
}

.page-products .pr-hero {
  padding: 34px 0 8px;
}

/* --- 首屏 --- */
.page-products .pr-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 22px;
  align-items: start;
}

@media (min-width: 900px) {
  .page-products .pr-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 32px;
  }
}

.page-products .pr-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.6vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  font-weight: 800;
}

.page-products .pr-lead {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.85;
  color: #B9C1C8;
}

.page-products .pr-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .pr-hero-panel {
  padding: 20px 18px 18px;
  background: var(--pr-card-bg);
  box-shadow: var(--shadow-card);
}

.page-products .pr-panel-tag {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold-300);
}

.page-products .pr-quick {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pr-quick li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 9px 0;
  border-bottom: var(--pr-hair);
}

.page-products .pr-quick li:last-child {
  border-bottom: 0;
}

.page-products .pr-q-k {
  font-size: 14px;
  color: var(--muted);
}

.page-products .pr-q-v {
  font-size: 14px;
  color: var(--paper);
  text-align: right;
}

.page-products .pr-panel-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
}

.page-products .pr-panel-note a {
  color: var(--gold-400);
}

/* --- 设备横向轨道 --- */
.page-products .pr-devices {
  padding-top: 46px;
}

.page-products .pr-sec-head {
  max-width: 720px;
}

.page-products .pr-sec-head h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
  font-weight: 800;
}

.page-products .pr-sec-lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pr-sec-head--ink h2 {
  color: var(--ink);
}

.page-products .pr-sec-head--ink .pr-sec-lead {
  color: var(--ink-soft);
}

.page-products .pr-rail-outer {
  margin-top: 26px;
  padding: 4px var(--pr-pad) 14px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(169, 118, 47, .5) transparent;
}

.page-products .pr-rail-outer::-webkit-scrollbar {
  height: 6px;
}

.page-products .pr-rail-outer::-webkit-scrollbar-thumb {
  background: rgba(169, 118, 47, .45);
  border-radius: 3px;
}

.page-products .pr-rail {
  display: flex;
  align-items: stretch;
  gap: var(--pr-gap);
  margin: 0;
  padding: 0;
  list-style: none;
  width: max-content;
}

.page-products .pr-card {
  scroll-snap-align: start;
  flex: 0 0 auto;
  width: 258px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px;
  background: var(--pr-card-bg);
  box-shadow: var(--shadow-card);
  transition: box-shadow .24s var(--ease), transform .24s var(--ease);
}

.page-products .pr-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-products .pr-card--media {
  width: 300px;
}

.page-products .pr-card-media {
  margin: 0 0 4px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pr-card-media img {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.page-products .pr-card-idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-400);
}

.page-products .pr-card-title {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
  font-weight: 700;
}

.page-products .pr-card-dl {
  margin: 0;
}

.page-products .pr-card-dl dt {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--jade-300);
}

.page-products .pr-card-dl dd {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: #B4BCC3;
}

/* --- 系统兼容对照表 --- */
.page-products .pr-sys {
  background: var(--paper);
  color: var(--ink);
}

.page-products .pr-table-wrap {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #FFFDF8;
}

.page-products .pr-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

.page-products .pr-table-caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.page-products .pr-table th,
.page-products .pr-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-soft);
  background: #F1EADD;
  border-bottom: 2px solid var(--gold-600);
  white-space: nowrap;
}

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

.page-products .pr-table tbody tr:nth-child(even) {
  background: #FAF6EE;
}

.page-products .pr-table td:nth-child(3) {
  white-space: nowrap;
}

.page-products .pr-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
}

.page-products .pr-tag--ok {
  color: #1C6A5A;
  background: rgba(46, 139, 122, .13);
  border: 1px solid rgba(46, 139, 122, .42);
}

.page-products .pr-tag--check {
  color: #5A636C;
  background: rgba(138, 147, 156, .13);
  border: 1px solid rgba(138, 147, 156, .42);
}

/* --- 桌面端程序 --- */
.page-products .pr-app {
  background: var(--navy-800);
  padding: 52px 0;
}

.page-products .pr-app-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

@media (min-width: 900px) {
  .page-products .pr-app-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 40px;
  }
}

.page-products .pr-app-copy h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
  font-weight: 800;
}

.page-products .pr-app-copy p {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: #B9C1C8;
}

.page-products .pr-versions {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .pr-version {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 14px;
  border-left: 2px solid rgba(169, 118, 47, .4);
  background: rgba(12, 26, 40, .5);
  margin-bottom: var(--pr-gap);
}

.page-products .pr-version--now {
  border-left-color: var(--gold-300);
  background: rgba(169, 118, 47, .12);
}

.page-products .pr-version-no {
  font-size: 20px;
  color: var(--paper);
}

.page-products .pr-version--now .pr-version-no {
  color: var(--gold-300);
}

.page-products .pr-version-meta {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pr-app-copy .btn {
  margin-top: 22px;
}

.page-products .pr-app-figure {
  margin: 0;
}

.page-products .pr-app-figure .media {
  border: var(--pr-edge);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-products .pr-app-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pr-app-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

/* --- 流程 --- */
.page-products .pr-flow {
  background: var(--navy-900);
  padding: 52px 0 16px;
}

.page-products .pr-flow-banner {
  margin: 28px 0 0;
}

.page-products .pr-flow-banner .media {
  border: var(--pr-edge);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pr-flow-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pr-steps {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
}

.page-products .pr-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 28px;
}

.page-products .pr-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 48px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(169, 118, 47, .5), rgba(169, 118, 47, .05));
}

.page-products .pr-step:last-child {
  padding-bottom: 0;
}

.page-products .pr-step:last-child::before {
  display: none;
}

.page-products .pr-step-num {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 14px;
  color: var(--gold-400);
  background: var(--navy-800);
  border: 1px solid rgba(169, 118, 47, .55);
}

.page-products .pr-step-body {
  padding-top: 4px;
}

.page-products .pr-step-body h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
  font-weight: 700;
}

.page-products .pr-step-body > p {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: #B4BCC3;
}

.page-products .pr-tip {
  margin-top: 10px;
}

.page-products .pr-tip summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold-400);
  border-bottom: 1px dashed rgba(217, 166, 90, .5);
  padding-bottom: 2px;
}

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

.page-products .pr-tip summary::before {
  content: "＋";
  font-size: 13px;
}

.page-products .pr-tip[open] summary::before {
  content: "－";
}

.page-products .pr-tip summary:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 3px;
}

.page-products .pr-tip p {
  margin: 10px 0 0;
  max-width: 60ch;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: #AEB7BE;
  background: rgba(22, 50, 74, .55);
  border-left: 2px solid rgba(169, 118, 47, .45);
}

/* --- 常见场景 --- */
.page-products .pr-scenes {
  background: var(--navy-800);
  padding: 52px 0;
}

.page-products .pr-scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pr-gap);
  margin-top: 28px;
}

@media (min-width: 680px) {
  .page-products .pr-scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pr-scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pr-scene {
  padding: 20px 18px 22px;
  background: rgba(12, 26, 40, .55);
  border-top: 2px solid rgba(46, 139, 122, .55);
  box-shadow: var(--shadow-card);
  transition: box-shadow .24s var(--ease), transform .24s var(--ease);
}

.page-products .pr-scene:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-products .pr-scene-no {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--jade-300);
}

.page-products .pr-scene h3 {
  margin: 12px 0 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
  font-weight: 700;
}

.page-products .pr-scene p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #B4BCC3;
}

/* --- 交付验收 --- */
.page-products .pr-accept {
  background: var(--paper);
  color: var(--ink);
  padding: 52px 0;
}

.page-products .pr-checklist {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

@media (min-width: 760px) {
  .page-products .pr-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 24px;
  }
}

.page-products .pr-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 13px 15px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  background: #FFFDF8;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .pr-box {
  flex: 0 0 auto;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid rgba(46, 139, 122, .65);
  border-radius: 3px;
  background: rgba(46, 139, 122, .08);
}

.page-products .pr-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--jade-600);
  border-bottom: 2px solid var(--jade-600);
  transform: rotate(40deg);
}

/* --- 结尾 --- */
.page-products .pr-cta {
  background: var(--paper);
  padding: 0 0 56px;
}

.page-products .pr-cta-box {
  padding: 34px 24px;
  background: var(--navy-900);
  box-shadow: var(--shadow-card);
}

@media (min-width: 860px) {
  .page-products .pr-cta-box {
    padding: 44px 40px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px 40px;
    align-items: center;
  }

  .page-products .pr-cta-box h2 {
    grid-column: 1;
  }

  .page-products .pr-cta-box p {
    grid-column: 1;
  }

  .page-products .pr-cta-actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-content: flex-start;
  }
}

.page-products .pr-cta-box h2 {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
  font-weight: 800;
}

.page-products .pr-cta-box p {
  margin: 14px 0 0;
  max-width: 50ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: #B4BCC3;
}

.page-products .pr-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

@media (min-width: 860px) {
  .page-products .pr-cta-actions {
    margin-top: 0;
    flex-direction: column;
    align-items: flex-start;
  }
}