.page-products {
  background: var(--c-bg-deep);
  color: var(--c-text);
}

/* ===== 首屏分屏 ===== */
.page-products .app-hero {
  position: relative;
  padding: calc(var(--header-h) + 36px) 20px var(--space-section);
  background:
    radial-gradient(circle at 16% 22%, rgba(0, 255, 102, 0.12) 0, transparent 26%),
    radial-gradient(circle at 84% 68%, rgba(255, 107, 0, 0.14) 0, transparent 30%),
    linear-gradient(140deg, var(--c-bg-deep) 0%, var(--c-bg-panel) 100%);
  overflow: hidden;
}
.page-products .app-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(234, 234, 234, 0.12) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.5;
  pointer-events: none;
}
.page-products .app-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent-orange) 50%, var(--c-info) 100%);
  clip-path: polygon(0 0, calc(100% - 44px) 0, 100% 100%, 44px 100%);
}
.page-products .app-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 52px;
  align-items: center;
}
.page-products .breadcrumbs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 0.88rem;
  color: var(--c-text-dim);
}
.page-products .breadcrumbs a {
  color: var(--c-text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.page-products .breadcrumbs a:hover {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}
.page-products .breadcrumb-sep {
  color: var(--c-border-strong);
}
.page-products .breadcrumb-current {
  color: var(--c-text);
}
.page-products .hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0 0 22px;
  color: var(--c-text);
  text-wrap: balance;
}
.page-products .hero-highlight {
  color: var(--c-accent);
}
.page-products .hero-lead {
  margin: 0 0 28px;
  max-width: 36em;
  line-height: 1.75;
  color: var(--c-text-dim);
  font-size: 1.04rem;
}
.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}
.page-products .hero-actions .btn-orange {
  transition: transform var(--t-mid), box-shadow var(--t-mid);
}
.page-products .hero-actions .btn-orange:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0, 255, 102, 0.42);
}
.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 440px;
  margin: 0;
  padding: 0;
}
.page-products .hero-stat {
  border-left: 2px solid var(--c-border-green);
  padding-left: 12px;
}
.page-products .hero-stat dt {
  font-size: 0.76rem;
  color: var(--c-text-dim);
  margin-bottom: 6px;
}
.page-products .hero-stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 1.3rem);
  color: var(--c-accent);
}

/* ===== 手机模型与轨道 ===== */
.page-products [data-reveal] {
  opacity: 1;
}
.page-products .hero-visual-inner {
  position: relative;
  width: min(330px, 88vw);
  min-height: 520px;
  margin: 0 auto;
}
.page-products .vertical-label {
  position: absolute;
  top: 50%;
  left: 4px;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--c-text-dim);
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
}
.page-products .phone-model {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-6deg);
  width: 246px;
  height: 500px;
  border-radius: 44px;
  background: var(--c-bg-deepest);
  border: 3px solid var(--c-border-strong);
  padding: 12px;
  box-sizing: border-box;
  box-shadow:
    0 32px 64px rgba(4, 11, 20, 0.72),
    0 0 48px rgba(0, 255, 102, 0.12);
  z-index: 2;
  transition: transform var(--t-mid);
}
.page-products [data-reveal].is-visible .phone-model {
  transform: translate(-50%, -50%) rotate(0deg);
}
.page-products .phone-screen-img {
  position: absolute;
  inset: 12px;
  width: calc(100% - 24px);
  height: calc(100% - 24px);
  object-fit: cover;
  display: block;
  border-radius: 32px;
}
.page-products .phone-notch {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 98px;
  height: 24px;
  background: var(--c-bg-deep);
  border-radius: 16px;
  z-index: 3;
  display: block;
}
.page-products .float-stat {
  position: absolute;
  z-index: 3;
  padding: 8px 14px;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-border-green);
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--c-accent);
  white-space: nowrap;
  box-shadow: 0 12px 28px rgba(4, 11, 20, 0.55);
}
.page-products .float-stat-live {
  top: 16%;
  right: 2px;
}
.page-products .float-stat-sync {
  bottom: 18%;
  left: 2px;
  color: var(--c-info);
  border-color: rgba(77, 157, 224, 0.42);
}
.page-products .orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
}
.page-products .orbit-a {
  width: 310px;
  height: 310px;
  border: 1px dashed var(--c-border-green);
  opacity: 0.55;
  transform: translate(-50%, -50%);
  animation: page-products-orbit-spin 36s linear infinite;
}
.page-products .orbit-b {
  width: 380px;
  height: 380px;
  border: 1px solid var(--c-border-orange);
  opacity: 0.3;
  border-radius: 22% 78% 48% 52% / 52% 42% 58% 48%;
  transform: translate(-50%, -50%) rotate(28deg);
}
@keyframes page-products-orbit-spin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* ===== 章节头与下载选项 ===== */
.page-products .section-head {
  margin-bottom: 34px;
}
.page-products .section-head .section-kicker {
  color: var(--c-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-products .download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-products .download-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px 24px;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  transition: transform var(--t-mid), box-shadow var(--t-mid);
}
.page-products .download-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(4, 11, 20, 0.55);
}
.page-products .download-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.page-products .download-badge {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-text-dim);
}
.page-products .download-desc {
  margin: 0;
  color: var(--c-text-dim);
  line-height: 1.65;
}
.page-products .download-card .btn {
  margin-top: auto;
}
.page-products .download-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 30px 24px;
  text-align: center;
  border: 1px solid var(--c-border-green);
}
.page-products .qr-frame {
  width: 148px;
  height: 148px;
  padding: 8px;
  border: 1px solid var(--c-border);
  background: var(--c-bg-deepest);
  position: relative;
  box-sizing: border-box;
}
.page-products .qr-frame::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px dashed var(--c-border-green);
  opacity: 0.4;
  pointer-events: none;
}
.page-products .qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-products .qr-caption {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--c-accent);
}
.page-products .qr-tip {
  margin: 0;
  font-size: 0.86rem;
  color: var(--c-text-dim);
}
.page-products .download-note {
  margin-top: 28px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: var(--c-bg-panel);
  border-left: 3px solid var(--c-info);
}
.page-products .note-mark {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--c-info);
  color: var(--c-info);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}
.page-products .download-note p {
  margin: 0;
  color: var(--c-text-dim);
  line-height: 1.65;
}

/* ===== 功能亮点 ===== */
.page-products .feature-section {
  background: linear-gradient(180deg, var(--c-bg-deep) 0%, var(--c-bg-panel) 100%);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.page-products .feature-layout {
  display: grid;
  gap: 36px;
}
.page-products .feature-flow {
  display: block;
  min-width: 0;
}
.page-products .feature-row {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 16px;
  padding: 26px 8px;
  border-bottom: 1px solid var(--c-border);
  position: relative;
}
.page-products .feature-row:last-child {
  border-bottom: 0;
}
.page-products .feature-row::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  background: var(--c-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t-mid);
}
.page-products .feature-row:hover::before {
  transform: scaleY(1);
}
.page-products .feature-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--c-accent);
  padding-top: 4px;
}
.page-products .feature-body h3 {
  margin: 0 0 8px;
}
.page-products .feature-body p {
  margin: 0;
  line-height: 1.65;
  color: var(--c-text-dim);
}
.page-products .feature-visual {
  padding: 16px;
  border: 1px solid var(--c-border);
  align-self: start;
}
.page-products .feature-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-products .feature-visual-caption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-accent);
}
.page-products .feature-visual-note {
  margin: 8px 0 0;
  color: var(--c-text-dim);
  line-height: 1.6;
}

/* ===== 注册指南 ===== */
.page-products .register-section {
  background: var(--c-bg-deepest);
}
.page-products .register-layout {
  display: grid;
  gap: 40px;
}
.page-products .register-steps {
  display: block;
  min-width: 0;
}
.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .step-item {
  position: relative;
  padding: 0 0 38px 42px;
}
.page-products .step-item:last-child {
  padding-bottom: 0;
}
.page-products .step-item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-accent) 0%, var(--c-border) 100%);
}
.page-products .step-item:last-child::before {
  display: none;
}
.page-products .step-item::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 5px rgba(0, 255, 102, 0.14);
}
.page-products .step-num {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-accent);
}
.page-products .step-content h3 {
  margin: 0 0 6px;
}
.page-products .step-content p {
  margin: 0;
  line-height: 1.65;
  color: var(--c-text-dim);
}
.page-products .register-help {
  margin-top: 8px;
  padding-left: 42px;
}
.page-products .register-help p {
  margin: 0;
}
.page-products .register-help a {
  color: var(--c-info);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 157, 224, 0.4);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.page-products .register-help a:hover {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}
.page-products .register-panel {
  padding: 28px 24px;
  background:
    linear-gradient(180deg, rgba(255, 107, 0, 0.08) 0%, transparent 44%),
    var(--c-bg-panel);
  border: 1px solid var(--c-border);
}
.page-products .register-panel-label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--c-accent-orange);
}
.page-products .field-demo {
  padding: 12px 0;
  border-bottom: 1px dashed var(--c-border);
}
.page-products .field-demo-valid {
  padding-bottom: 14px;
}
.page-products .field-label {
  display: block;
  margin-bottom: 7px;
  font-size: 0.78rem;
  color: var(--c-text-dim);
}
.page-products .field-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  box-sizing: border-box;
  width: 100%;
  height: 44px;
  padding: 0 14px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--c-text);
}
.page-products .field-code-timer {
  font-size: 0.74rem;
  color: var(--c-accent-orange);
}
.page-products .field-check {
  color: var(--c-accent);
  font-size: 0.9rem;
}
.page-products .register-panel-action {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  background: var(--c-accent);
  color: var(--c-bg-deep);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 4px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.page-products .register-shot {
  margin-top: 18px;
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--c-border);
}

/* ===== 系统要求 ===== */
.page-products .sys-section {
  background: var(--c-bg-panel);
}
.page-products .sys-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-products .sys-card {
  padding: 26px 24px;
  border-top: 3px solid transparent;
  transition: transform var(--t-mid), border-color var(--t-fast);
}
.page-products .sys-card:hover {
  transform: translateY(-4px) skewX(-1deg);
  border-top-color: var(--c-accent);
}
.page-products .sys-card:nth-child(2):hover {
  border-top-color: var(--c-info);
}
.page-products .sys-card:nth-child(3):hover {
  border-top-color: var(--c-accent-orange);
}
.page-products .sys-card:nth-child(4):hover {
  border-top-color: var(--c-text);
}
.page-products .sys-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 1.16rem;
  color: var(--c-bg-deep);
  background: var(--c-accent);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.page-products .sys-card:nth-child(2) .sys-icon {
  background: var(--c-info);
}
.page-products .sys-card:nth-child(3) .sys-icon {
  background: var(--c-accent-orange);
}
.page-products .sys-card:nth-child(4) .sys-icon {
  background: var(--c-text);
}
.page-products .sys-desc {
  margin: 10px 0 0;
  line-height: 1.6;
  color: var(--c-text-dim);
}

/* ===== 底部同步带 ===== */
.page-products .sync-section {
  background:
    radial-gradient(ellipse at 82% 38%, rgba(0, 255, 102, 0.1) 0, transparent 48%),
    var(--c-bg-deep);
}
.page-products .sync-board {
  display: grid;
  gap: 30px;
  padding: 30px 24px;
  border: 1px solid var(--c-border);
}
.page-products .sync-copy h2 {
  margin: 10px 0 14px;
}
.page-products .sync-copy p {
  color: var(--c-text-dim);
  line-height: 1.7;
}
.page-products .sync-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-products .sync-visual img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--c-border);
}

/* ===== 响应式 ===== */
@media (min-width: 720px) and (max-width: 1079px) {
  .page-products .download-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .download-qr {
    grid-column: span 2;
    flex-direction: row;
  }
}
@media (min-width: 1024px) {
  .page-products .app-hero {
    min-height: 86vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .page-products .app-hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 60px;
  }
  .page-products .feature-layout {
    grid-template-columns: 1fr 0.6fr;
    align-items: start;
  }
  .page-products .feature-visual {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
  .page-products .register-layout {
    grid-template-columns: 1fr 0.94fr;
    align-items: start;
  }
  .page-products .sys-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .sync-board {
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    padding: 44px 48px;
  }
}
@media (min-width: 1080px) {
  .page-products .download-grid {
    grid-template-columns: 1fr 1fr 1.1fr;
  }
  .page-products .download-qr {
    grid-column: auto;
    flex-direction: column;
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-products .orbit-a {
    animation: none;
  }
  .page-products .phone-model {
    transition: none;
  }
}