/* ==============================================
   应用中心 / .page-products
   ============================================== */
.page-products {
  --products-cut: 22px;
  background: var(--color-blue);
  color: var(--color-white);
  overflow: hidden;
}

.page-products .section {
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  position: relative;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-faint);
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 280px;
  background: radial-gradient(circle at 80% 12%, rgba(255, 107, 44, 0.14), transparent 44%);
  pointer-events: none;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 144px;
  height: 4px;
  background: var(--color-orange);
  pointer-events: none;
}

.page-products .breadcrumbs {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-lg);
}

.page-products .products-hero-copy {
  position: relative;
  z-index: 1;
}

.page-products .products-hero-copy h1 {
  font-family: var(--font-heading);
  font-size: var(--size-display);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: var(--space-sm) 0 var(--space-md);
}

.page-products .products-hero-lead {
  max-width: 560px;
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--size-subheading);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-silver);
}

.page-products .products-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.page-products .products-hero-visual {
  position: relative;
  margin-top: var(--space-lg);
  z-index: 1;
}

.page-products .products-hero-visual::after {
  content: "";
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: 68px;
  height: 68px;
  background: var(--color-orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0.85;
  z-index: -1;
}

/* ---------- 01 下载区 ---------- */
.page-products .products-downloads {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.page-products .products-downloads-intro {
  max-width: 640px;
  margin: var(--space-md) 0 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.8;
  color: var(--color-silver);
}

.page-products .products-platform-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.page-products .products-platform-card {
  position: relative;
  background: var(--color-blue-light);
  border: 1px solid var(--border-mid);
  clip-path: polygon(0 0, calc(100% - var(--products-cut)) 0, 100% var(--products-cut), 100% 100%, var(--products-cut) 100%, 0 calc(100% - var(--products-cut)));
  padding: var(--space-md);
  transition: border-color var(--ease-fast), transform var(--ease-fast), box-shadow var(--ease-fast);
}

.page-products .products-platform-card:hover {
  border-color: var(--color-orange);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(10, 14, 19, 0.35);
}

.page-products .products-platform-card:hover .products-platform-btn {
  filter: brightness(0.92);
}

.page-products .products-platform-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.page-products .products-platform-ver {
  font-family: var(--font-body);
  font-size: var(--size-caption);
  letter-spacing: 0.08em;
  color: var(--color-blue-gray);
}

.page-products .products-platform-card h3 {
  font-family: var(--font-heading);
  font-size: var(--size-subheading);
  font-weight: 700;
  margin: 0 0 var(--space-xs);
}

.page-products .products-platform-card p {
  margin: 0 0 var(--space-md);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.75;
  color: var(--color-silver);
}

.page-products .products-platform-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.page-products .products-platform-note {
  margin: var(--space-sm) 0 0 !important;
  font-size: var(--size-caption) !important;
  text-align: center;
  color: var(--color-blue-gray) !important;
}

.page-products .products-trust-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  border-left: 3px solid var(--color-orange);
  background: rgba(26, 43, 76, 0.5);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.6;
  color: var(--color-silver);
}

/* ---------- 02 版本特性 ---------- */
.page-products .products-features {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
  background: linear-gradient(180deg, rgba(26, 43, 76, 0.42), rgba(11, 27, 43, 0) 70%);
}

.page-products .products-features::before {
  content: "";
  position: absolute;
  top: var(--space-xl);
  right: 0;
  width: 180px;
  height: 180px;
  background: repeating-linear-gradient(135deg, transparent 0 12px, rgba(255, 107, 44, 0.1) 12px 14px);
  pointer-events: none;
}

.page-products .products-features-layout {
  margin-top: var(--space-lg);
}

.page-products .products-features-visual {
  position: relative;
}

.page-products .products-features-board {
  margin-bottom: var(--space-md);
}

.page-products .products-features-lead {
  font-family: var(--font-heading);
  font-size: var(--size-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: var(--space-sm) 0 0;
}

.page-products .products-features-history {
  margin: var(--space-sm) 0 0;
  font-family: var(--font-body);
  font-size: var(--size-caption);
  line-height: 1.7;
  color: var(--color-blue-gray);
}

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

.page-products .products-features-list li {
  position: relative;
  padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
  border-bottom: 1px solid var(--border-faint);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.75;
  color: var(--color-silver);
}

.page-products .products-features-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 28px;
  height: 1px;
  background: var(--color-orange);
  transform: rotate(-45deg);
  transform-origin: left center;
}

.page-products .products-features-list strong {
  display: inline-block;
  margin-bottom: var(--space-xxs);
  font-family: var(--font-heading);
  font-size: var(--size-subheading);
  font-weight: 700;
  color: var(--color-white);
}

/* ---------- 03 三步上手 ---------- */
.page-products .products-steps {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.page-products .products-steps-overview {
  margin-top: var(--space-lg);
}

.page-products .products-step-list {
  list-style: none;
  position: relative;
  margin: var(--space-xl) 0 0;
  padding: 0;
}

.page-products .products-step-list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 13px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-orange), var(--color-blue-gray));
  opacity: 0.4;
}

.page-products .products-step-item {
  position: relative;
  margin-bottom: var(--space-lg);
  padding-left: calc(var(--space-lg) + var(--space-sm));
}

.page-products .products-step-item:last-child {
  margin-bottom: 0;
}

.page-products .products-step-num {
  position: absolute;
  left: 0;
  top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-orange);
  color: var(--color-dark);
  font-family: var(--font-body);
  font-size: var(--size-caption);
  font-weight: 700;
  border-radius: 50%;
}

.page-products .products-step-body {
  border-left: 1px solid var(--border-mid);
  padding-left: var(--space-md);
}

.page-products .products-step-body h3 {
  font-family: var(--font-heading);
  font-size: var(--size-subheading);
  font-weight: 700;
  margin: 0 0 var(--space-xs);
}

.page-products .products-step-body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.8;
  color: var(--color-silver);
}

.page-products .products-mobile-help {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-mid);
}

.page-products .products-mobile-help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.page-products .products-mobile-help-copy h3 {
  font-family: var(--font-heading);
  font-size: var(--size-heading);
  font-weight: 700;
  margin: 0 0 var(--space-sm);
}

.page-products .products-mobile-help-copy > p {
  margin: 0 0 var(--space-md);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.8;
  color: var(--color-silver);
}

.page-products .products-mobile-help-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .products-mobile-help-list li {
  position: relative;
  padding: var(--space-xs) 0 var(--space-xs) var(--space-md);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.6;
  color: var(--color-white);
}

.page-products .products-mobile-help-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-orange);
}

.page-products .products-mobile-help-visual {
  position: relative;
}

.page-products .products-mobile-help-visual::before {
  content: "";
  position: absolute;
  top: -12px;
  left: -12px;
  width: 52px;
  height: 52px;
  background: repeating-linear-gradient(135deg, transparent 0 8px, rgba(255, 107, 44, 0.14) 8px 10px);
  z-index: -1;
}

/* ---------- 04 换设备登录 ---------- */
.page-products .products-device {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
  background: linear-gradient(180deg, transparent, rgba(26, 43, 76, 0.42));
}

.page-products .products-device-layout {
  margin-top: var(--space-lg);
}

.page-products .products-device-copy {
  position: relative;
}

.page-products .products-device-lead {
  margin: var(--space-sm) 0 0;
  font-family: var(--font-heading);
  font-size: var(--size-subheading);
  font-weight: 500;
  line-height: 1.5;
}

.page-products .products-device-list {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
}

.page-products .products-device-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-faint);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.7;
  color: var(--color-silver);
}

.page-products .products-device-list li span {
  font-weight: 700;
  color: var(--color-orange);
}

.page-products .products-device-visual {
  position: relative;
}

/* ---------- 05 更多支持 ---------- */
.page-products .products-support {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.page-products .products-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.page-products .products-support-card {
  display: block;
  padding: var(--space-md);
  background: var(--color-blue-light);
  border: 1px solid var(--border-faint);
  color: var(--color-white);
  text-decoration: none;
  transition: border-color var(--ease-fast), transform var(--ease-fast);
}

.page-products .products-support-card[href]:hover,
.page-products .products-support-card[href]:focus-visible {
  border-color: var(--color-orange);
  transform: translateY(-2px);
}

.page-products .products-support-card h3 {
  font-family: var(--font-heading);
  font-size: var(--size-subheading);
  font-weight: 700;
  margin: var(--space-sm) 0 var(--space-xs);
}

.page-products .products-support-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.75;
  color: var(--color-silver);
}

.page-products .products-support-more {
  display: inline-block;
  margin-top: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--size-caption);
  letter-spacing: 0.04em;
  color: var(--color-orange);
}

/* ---------- 响应式布局 ---------- */
@media (min-width: 900px) {
  .page-products .products-hero-layout {
    align-items: center;
  }

  .page-products .products-hero-visual {
    margin-top: 0;
    margin-left: var(--space-md);
  }

  .page-products .products-platform-grid,
  .page-products .products-support-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .products-platform-card {
    padding: var(--space-lg) var(--space-md);
  }

  .page-products .products-step-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .page-products .products-step-list::before {
    top: 50%;
    right: 0;
    bottom: auto;
    left: 0;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--color-orange), var(--color-blue-gray));
    opacity: 0.4;
  }

  .page-products .products-step-item {
    margin-bottom: 0;
    padding-top: var(--space-lg);
    padding-left: 0;
  }

  .page-products .products-step-num {
    top: 0;
    left: 0;
  }

  .page-products .products-step-body {
    border-top: 1px solid var(--border-mid);
    border-left: 0;
    padding-top: var(--space-md);
    padding-left: 0;
  }

  .page-products .products-mobile-help-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-products .products-mobile-help-copy {
    padding-right: var(--space-lg);
  }

  .page-products .products-device-layout {
    align-items: center;
  }

  .page-products .products-device-copy {
    padding-right: var(--space-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .products-platform-card,
  .page-products .products-support-card[href] {
    transition: none;
    transform: none;
  }
}