/* ===== 应用中心 页面专属样式（作用域：.page-products） ===== */
.page-products {
  --p-block: clamp(56px, 8vw, 104px);
  --p-gap: clamp(18px, 2.4vw, 32px);
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

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

.page-products .inline-link {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-decoration-color: rgba(124, 247, 228, 0.45);
  text-underline-offset: 3px;
}
.page-products .inline-link:hover,
.page-products .inline-link:focus-visible {
  color: var(--cyan);
  text-decoration-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .apps-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 28px) 0 var(--p-block);
}

.page-products .apps-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(58% 62% at 86% 4%, rgba(20, 224, 192, 0.18), transparent 64%),
    radial-gradient(50% 58% at 2% 98%, rgba(255, 90, 46, 0.14), transparent 70%),
    linear-gradient(180deg, var(--ink) 0%, var(--night) 100%);
}

.page-products .apps-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-products .apps-hero-grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(18px, 3.6vw, 42px);
}

.page-products .apps-hero h1 {
  margin: 0.4em 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-size: clamp(2.1rem, 6.6vw, 4.2rem);
  color: var(--paper);
  text-wrap: balance;
}

.page-products .apps-hero-lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: rgba(234, 247, 244, 0.8);
}

.page-products .apps-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .apps-hero-card {
  padding: 22px 22px 10px;
  border-radius: var(--radius-l);
}

.page-products .hero-card-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .hero-metric-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .hero-metric {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .hero-metric:last-child {
  border-bottom: 0;
}

.page-products .hero-metric-key {
  font-size: 14px;
  color: var(--muted);
}

.page-products .hero-metric-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 三种接入方式 ---------- */
.page-products .device-switch {
  margin-top: 26px;
}

.page-products .device-grid {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .device-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 26px;
  background: var(--ink-2);
}

.page-products .device-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .device-dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(20, 224, 192, 0.14);
}

.page-products .device-panel:nth-child(2) .device-dot {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.16);
}
.page-products .device-panel:nth-child(3) .device-dot {
  background: var(--pulse);
  box-shadow: 0 0 0 4px rgba(255, 90, 46, 0.18);
}

.page-products .device-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .device-spec {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}
.page-products .device-panel:nth-child(2) .device-spec {
  color: var(--amber);
}
.page-products .device-panel:nth-child(3) .device-spec {
  color: #FF8A66;
}

.page-products .device-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(234, 247, 244, 0.78);
}

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

.page-products .device-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .device-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-products .device-media {
  margin: 32px 0 0;
}

/* ---------- 小屏端场馆信息 ---------- */
.page-products .venue-split {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-products .venue-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .venue-fact {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .venue-fact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .venue-fact-val {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(234, 247, 244, 0.82);
}

.page-products .venue-note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--amber);
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(234, 247, 244, 0.8);
}

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

.page-products .venue-figure-wide {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

/* ---------- 数据看台 ---------- */
.page-products .board-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products .board-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink-2), var(--ink));
}

.page-products .board-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.page-products .board-card:nth-child(2)::after {
  background: linear-gradient(90deg, var(--cyan-soft), transparent);
}
.page-products .board-card:nth-child(3)::after {
  background: linear-gradient(90deg, var(--amber), transparent);
}
.page-products .board-card:nth-child(4)::after {
  background: linear-gradient(90deg, var(--pulse), transparent);
}

.page-products .board-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--paper);
}

.page-products .board-card-text {
  margin: 10px 0 0;
  font-size: 13.6px;
  line-height: 1.75;
  color: rgba(234, 247, 244, 0.76);
}

.page-products .board-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.page-products .board-dimensions {
  margin-top: 32px;
}

.page-products .board-sub {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .dimension-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .dimension-list li {
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--glass-line);
  background: var(--glass);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-soft);
}

.page-products .board-sub-note {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 247, 244, 0.76);
}

.page-products .pulse-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products .pulse-card {
  padding: 22px;
  border-radius: var(--radius);
}

.page-products .pulse-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pulse-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(234, 247, 244, 0.78);
}

.page-products .board-figure {
  margin: clamp(30px, 4vw, 48px) 0 0;
}

/* ---------- 版本迭代记录 ---------- */
.page-products .timeline-section {
  padding: var(--p-block) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-3) 0%, var(--night) 100%);
}

.page-products .timeline-figure {
  margin: 0 0 clamp(30px, 4vw, 48px);
}

.page-products .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
}

.page-products .timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(20, 224, 192, 0.06));
}

.page-products .timeline-item {
  position: relative;
  padding: 0 0 30px;
}
.page-products .timeline-item:last-child {
  padding-bottom: 0;
}

.page-products .timeline-node {
  position: absolute;
  left: -30px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ink-3);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(20, 224, 192, 0.1);
  transition: box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .timeline-item:hover .timeline-node {
  border-color: var(--cyan-soft);
  box-shadow: 0 0 0 7px rgba(20, 224, 192, 0.16);
}

.page-products .timeline-ver {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .timeline-title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--paper);
}

.page-products .timeline-text {
  margin: 8px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 247, 244, 0.78);
}

/* ---------- 安装与登录 ---------- */
.page-products .steps-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .step-item {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  opacity: 0.85;
}

.page-products .step-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--paper);
}

.page-products .step-text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 247, 244, 0.78);
}

/* ---------- 适用场景 ---------- */
.page-products .scenario-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products .scenario-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(15, 59, 51, 0.92), rgba(4, 23, 15, 0.7));
}

.page-products .scenario-title {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--paper);
}

.page-products .scenario-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 247, 244, 0.78);
}

.page-products .scenario-meta {
  margin: auto 0 0;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-top: 1px dashed var(--line);
}

/* ---------- 收尾 ---------- */
.page-products .apps-cta-section {
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-products .apps-cta {
  display: grid;
  gap: 22px;
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--radius-l);
  border: 1px solid var(--glass-line);
  background: linear-gradient(120deg, var(--ink-3), var(--ink-2));
}

.page-products .apps-cta-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  color: var(--paper);
}

.page-products .apps-cta-text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(234, 247, 244, 0.8);
}

.page-products .apps-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .venue-fact {
    grid-template-columns: minmax(0, 132px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-products .board-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pulse-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .step-item {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 6px 20px;
    align-items: start;
  }
  .page-products .step-num {
    font-size: 30px;
  }
}

@media (min-width: 820px) {
  .page-products .device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .apps-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: end;
  }
  .page-products .venue-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
  .page-products .timeline {
    padding-left: 34px;
  }
  .page-products .timeline-node {
    left: -34px;
    top: 2px;
    width: 24px;
    height: 24px;
  }
  .page-products .timeline::before {
    left: 11px;
  }
}

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

@media (min-width: 780px) {
  .page-products .apps-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .timeline-node {
    transition: none;
  }
}