/* =========================================
   PAGE / 客户端下载 (.page-products)
   ========================================= */
.page-products {
  background: var(--color-bg);
  color: var(--color-text);
}

/* ---------- 面包屑 ---------- */
.page-products__crumb-wrap {
  background: var(--color-primary);
  padding: 14px 0;
  border-top: 3px solid var(--color-accent);
}
.page-products__crumb-wrap .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  font: 400 12px/1.5 var(--font-body);
  color: rgba(255, 255, 255, 0.7);
}
.page-products__crumb-wrap .breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}
.page-products__crumb-wrap .breadcrumb a:hover {
  color: var(--color-white);
}
.page-products__crumb-wrap .breadcrumb__sep {
  color: rgba(255, 255, 255, 0.35);
}
.page-products__crumb-wrap .breadcrumb__current {
  color: var(--color-white);
  font-weight: 700;
}

/* ---------- 首屏框景 ---------- */
.page-products__hero {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 56px 0 64px;
}
.page-products__hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  z-index: 2;
  background: repeating-linear-gradient(90deg, var(--color-accent) 0 26px, transparent 26px 34px);
}
.page-products__hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
}
.page-products__hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}
.page-products__hero-signal {
  display: none;
  position: absolute;
  right: 8%;
  top: 22%;
  width: 140px;
  height: 140px;
  border-right: 2px solid var(--color-accent);
  border-top: 2px solid var(--color-accent);
  opacity: 0.45;
  transform: skewY(-10deg);
  pointer-events: none;
}
.page-products__hero-signal::before {
  content: "";
  position: absolute;
  right: -5px;
  top: -5px;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
}
.page-products__hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.page-products__hero-kicker {
  display: inline-block;
  font: 700 13px/1.4 var(--font-data);
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}
.page-products__hero-title {
  margin: 0 0 20px;
  font: 900 32px/1.15 var(--font-head);
  letter-spacing: -0.01em;
}
.page-products__hero-title span {
  display: block;
  color: var(--color-accent);
  margin-top: 6px;
  font-size: 0.62em;
}
.page-products__hero-desc {
  margin: 0 0 28px;
  font: 400 15px/1.7 var(--font-body);
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
}
.page-products__hero-desc strong {
  color: var(--color-accent);
  font-weight: 700;
}
.page-products__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.page-products__hero-meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin-right: 20px;
}
.page-products__hero-meta-label {
  font: 500 11px/1.5 var(--font-data);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}
.page-products__hero-meta-value {
  font: 800 14px/1.4 var(--font-data);
  color: var(--color-white);
}
.page-products__hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 版本选择 ---------- */
.page-products__versions {
  background: var(--color-bg);
  padding: 64px 0 72px;
}
.page-products__section-lead {
  max-width: 560px;
  margin: -8px 0 36px;
  font: 400 15px/1.7 var(--font-body);
  color: rgba(26, 33, 48, 0.75);
}
.page-products__device-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-products__device-card {
  width: 100%;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-top: 4px solid var(--color-primary);
  box-shadow: 0 2px 10px rgba(10, 31, 68, 0.06);
  outline: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.page-products__device-card:hover,
.page-products__device-card:focus-visible {
  box-shadow: 0 14px 36px rgba(10, 31, 68, 0.14);
  transform: translateY(-4px);
}
.page-products__device-card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.page-products__device-media {
  position: relative;
  overflow: hidden;
  background: var(--color-primary-deep);
  aspect-ratio: 4 / 3;
}
.page-products__device-card--phone .page-products__device-media {
  aspect-ratio: 5 / 8;
}
.page-products__device-card--desktop .page-products__device-media {
  aspect-ratio: 8 / 5;
}
.page-products__device-img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center top;
}
.page-products__device-os {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  background: var(--color-primary);
  color: var(--color-accent);
  font: 700 11px/1.4 var(--font-data);
  letter-spacing: 0.06em;
  padding: 5px 9px;
  border: 1px solid rgba(255, 215, 0, 0.5);
}
.page-products__device-arrow {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--color-accent);
  color: var(--color-primary);
  font: 900 20px/1 var(--font-data);
}
.page-products__device-body {
  padding: 24px 20px 26px;
}
.page-products__device-body h3 {
  margin: 0 0 10px;
  font: 900 22px/1.3 var(--font-head);
  color: var(--color-primary);
}
.page-products__device-body p {
  margin: 0 0 16px;
  font: 400 14px/1.65 var(--font-body);
  color: rgba(26, 33, 48, 0.82);
}
.page-products__device-features {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}
.page-products__device-features li {
  position: relative;
  padding: 6px 0 6px 18px;
  font: 400 14px/1.6 var(--font-body);
  color: rgba(26, 33, 48, 0.9);
  border-bottom: 1px solid rgba(10, 31, 68, 0.08);
}
.page-products__device-features li::before {
  content: "//";
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--color-accent);
  font: 700 13px/1.6 var(--font-data);
}
.page-products__device-cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products__device-cta .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}
.page-products__device-hint {
  font: 500 12px/1.5 var(--font-data);
  color: rgba(26, 33, 48, 0.55);
}

/* ---------- 功能对比 ---------- */
.page-products__compare {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 64px 0 72px;
}
.page-products__compare .section-head h2,
.page-products__support .section-head h2 {
  color: var(--color-white);
}
.page-products__compare-visual {
  margin: 24px 0 32px;
  border: 1px solid var(--color-line-light);
}
.page-products__compare-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}
.page-products__table-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-line-light);
  background: var(--color-primary-deep);
}
.page-products__compare-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font: 400 14px/1.6 var(--font-body);
}
.page-products__compare-table th,
.page-products__compare-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  vertical-align: top;
}
.page-products__compare-table thead th {
  background: var(--color-primary-light);
  color: var(--color-accent);
  font: 900 13px/1.3 var(--font-head);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.page-products__compare-table tbody tr:last-child th,
.page-products__compare-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-products__compare-table tbody th {
  color: var(--color-white);
  font: 700 14px/1.5 var(--font-body);
}
.page-products__compare-table tbody td {
  color: rgba(255, 255, 255, 0.78);
}
.page-products__compare-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.04);
}
.page-products__compare-table tbody td.page-products__accent-cell {
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------- 下载安全说明 ---------- */
.page-products__security {
  background: var(--color-bg);
  padding: 64px 0 72px;
}
.page-products__security-inner {
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-products__security-visual {
  position: relative;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  padding: 36px 24px;
}
.page-products__security-visual::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(255, 215, 0, 0.35);
  pointer-events: none;
}
.page-products__security-img {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  max-height: 260px;
  object-fit: contain;
}
.page-products__security-content {
  max-width: 640px;
}
.page-products__security-content .section-head {
  margin-bottom: 18px;
}
.page-products__security-lead {
  font: 400 15px/1.75 var(--font-body);
  color: rgba(26, 33, 48, 0.85);
  margin: 0 0 24px;
}
.page-products__security-lead strong {
  color: var(--color-primary);
  font-weight: 700;
}
.page-products__security-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--color-primary);
}
.page-products__security-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
  font: 400 14px/1.5 var(--font-body);
}
.page-products__security-key {
  font: 700 13px/1.5 var(--font-data);
  color: var(--color-primary);
  letter-spacing: 0.02em;
}
.page-products__security-val {
  color: rgba(26, 33, 48, 0.85);
  text-align: right;
}

/* ---------- 版本更新记录 ---------- */
.page-products__changelog {
  background: var(--color-bg);
  padding: 64px 0 72px;
}
.page-products__changelog .section-head {
  margin-bottom: 28px;
}
.page-products__changelog-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x proximity;
}
.page-products__changelog-item {
  flex: 0 0 270px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  padding: 24px 20px;
}
.page-products__changelog-version {
  font: 800 20px/1 var(--font-data);
  color: var(--color-primary);
}
.page-products__changelog-item h3 {
  margin: 0;
  font: 900 17px/1.35 var(--font-head);
  color: var(--color-primary);
}
.page-products__changelog-item p {
  margin: 0;
  font: 400 13px/1.65 var(--font-body);
  color: rgba(26, 33, 48, 0.8);
  flex: 1;
}
.page-products__changelog-item .tag {
  align-self: flex-start;
}
.page-products__changelog-more {
  margin-top: 28px;
  text-align: center;
}

/* ---------- 帮助引导 ---------- */
.page-products__support {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 64px 0 72px;
}
.page-products__support-grid {
  display: grid;
  gap: 16px;
}
.page-products__support-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--color-primary-light);
  border: 1px solid var(--color-line-light);
  border-left: 3px solid var(--color-accent);
  padding: 24px;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.page-products__support-card:hover {
  background: var(--color-primary-deep);
  transform: translateY(-3px);
}
.page-products__support-card h3 {
  margin: 0;
  font: 900 18px/1.3 var(--font-head);
  color: var(--color-accent);
}
.page-products__support-card p {
  margin: 0;
  font: 400 14px/1.65 var(--font-body);
  color: rgba(255, 255, 255, 0.8);
}
.page-products__support-card .btn {
  align-self: flex-start;
}

/* ---------- 滚动显现 ---------- */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.page-products [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式增强 ---------- */
@media (min-width: 700px) {
  .page-products__device-grid {
    gap: 40px;
  }
  .page-products__device-body {
    padding: 28px 28px 30px;
  }
  .page-products__changelog-item {
    flex-basis: 300px;
  }
}

@media (min-width: 960px) {
  .page-products__hero {
    padding: 88px 0 96px;
  }
  .page-products__hero-title {
    font-size: 48px;
  }
  .page-products__hero-signal {
    display: block;
  }
  .page-products__device-grid {
    gap: 44px;
  }
  /* 三端卡片对角线排布 */
  .page-products__device-card--phone {
    margin-right: 24%;
  }
  .page-products__device-card--tablet {
    margin-left: 12%;
    margin-right: 6%;
  }
  .page-products__device-card--desktop {
    margin-left: 24%;
  }
  /* 桌面端固定媒体高度 */
  .page-products__device-media {
    aspect-ratio: auto;
    height: 340px;
  }
  .page-products__device-card--phone .page-products__device-media {
    height: 520px;
  }
  .page-products__device-card--tablet .page-products__device-media {
    height: 360px;
  }
  .page-products__device-card--desktop .page-products__device-media {
    height: 400px;
  }
  .page-products__device-body {
    padding: 30px 32px 32px;
  }
  /* 安全说明两列 */
  .page-products__security-inner {
    grid-template-columns: 4fr 6fr;
    gap: 56px;
  }
  .page-products__security-visual {
    padding: 42px;
  }
  /* 支持网格三列 */
  .page-products__support-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

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