/* ===== 下载客户端页 专属样式（page-products） ===== */
.page-products {
  --products-deep: #081B4D;
  --products-panel: #0B1D4A;
  --products-shadow: rgba(10, 36, 99, 0.18);
  --products-corner: 20px;
  --products-speedline: rgba(255, 255, 255, 0.035);
}
.page-products,
.page-products * {
  min-width: 0;
  box-sizing: border-box;
}

/* ---------- 首屏：框景 + 非对称文案 ---------- */
.page-products .page-hero--products {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, transparent 44%),
    linear-gradient(180deg, var(--color-primary) 0%, var(--products-deep) 100%);
}
.page-products .page-hero--products::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  opacity: 0.13;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-products .products-hero__pattern {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -55deg,
    transparent 0,
    transparent 14px,
    var(--products-speedline) 14px,
    var(--products-speedline) 15px
  );
  pointer-events: none;
}
.page-products .page-hero__inner {
  position: relative;
  z-index: 1;
}
.page-products .page-products__crumb {
  margin: 0 0 1.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}
.page-products .page-products__crumb a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-products .page-products__crumb a:hover {
  color: var(--color-accent);
}
.page-products .page-products__crumb-sep {
  margin: 0 0.5rem;
  color: var(--color-accent);
}
.page-products .download-hero {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding: 1rem 0 3.5rem;
}
.page-products .download-hero__copy .kicker {
  margin-bottom: 0.875rem;
}
.page-products .download-hero__lead {
  max-width: 46ch;
  margin: 1.25rem 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.0625rem;
  line-height: 1.75;
}
.page-products .download-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 1.75rem;
}
.page-products .download-hero__frame-wrap {
  position: relative;
  justify-self: center;
}
.page-products .download-hero__frame {
  position: relative;
  max-width: 420px;
  margin: 0 auto;
}
.page-products .download-hero__meta {
  margin: 0 0 0.875rem;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}
.page-products .products-frame__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: var(--color-accent);
  border-style: solid;
  z-index: 2;
}
.page-products .products-frame__corner--tl {
  top: -4px;
  left: -4px;
  border-width: 3px 0 0 3px;
}
.page-products .products-frame__corner--tr {
  top: -4px;
  right: -4px;
  border-width: 3px 3px 0 0;
}
.page-products .products-frame__corner--bl {
  bottom: -4px;
  left: -4px;
  border-width: 0 0 3px 3px;
}
.page-products .products-frame__corner--br {
  right: -4px;
  bottom: -4px;
  border-width: 0 3px 3px 0;
}
.page-products .hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1rem;
}
.page-products .hero-stats__item {
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--color-accent);
}
.page-products .hero-stats__item strong {
  display: block;
  font-family: var(--font-headline);
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  line-height: 1.15;
  color: #fff;
  letter-spacing: 0.01em;
}
.page-products .hero-stats__item span {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 品牌资质条 ---------- */
.page-products .brand-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-primary);
  color: #fff;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.page-products .brand-strip__title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.125rem;
  letter-spacing: 0.03em;
}
.page-products .brand-strip__verify {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}
.page-products .brand-strip__verify span {
  position: relative;
  padding-left: 0.875rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.82);
}
.page-products .brand-strip__verify span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  transform: rotate(45deg);
}
.page-products .brand-strip > a {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  white-space: nowrap;
}
.page-products .brand-strip > a:hover {
  color: var(--color-accent-light);
}

/* ---------- 章节头 ---------- */
.page-products .products-chapter {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}
.page-products .products-chapter .chapter__num {
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 0.9;
  color: var(--color-accent);
  min-width: 1.4em;
}
.page-products .products-chapter__body .chapter__label {
  margin: 0;
  color: var(--color-primary);
  font-size: clamp(1.5rem, 3vw, 2.375rem);
}
.page-products .products-chapter--light .chapter__label {
  color: #fff;
}
.page-products .products-chapter__en {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}
.page-products .products-chapter--light .products-chapter__en {
  color: rgba(255, 255, 255, 0.56);
}
.page-products .products-section-desc {
  max-width: 72ch;
  margin-bottom: 0;
  color: var(--color-text-muted);
}
.page-products .section--dark .products-section-desc {
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 01 多端覆盖 ---------- */
.page-products .platform-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
  margin-top: 2.5rem;
}
.page-products .device-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.75rem 1.25rem 1.5rem;
  background: var(--color-surface);
  border-radius: 12px;
  border-top: 4px solid var(--color-accent);
  box-shadow: 0 12px 32px rgba(10, 36, 99, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-products .device-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px var(--products-shadow);
}
.page-products .device-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  margin-bottom: 1.25rem;
}
.page-products .device-card__titles {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-products .device-card__ver {
  font-family: var(--font-headline);
  font-size: 0.875rem;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}
.page-products .device-card__os {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}
.page-products .device-frame {
  position: relative;
  width: fit-content;
  margin: 0 auto;
  background: var(--products-panel);
  border: 5px solid var(--color-primary-light);
  border-radius: 34px;
  padding: 9px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.page-products .device-frame--phone {
  max-width: 172px;
}
.page-products .device-frame--pad {
  max-width: 100%;
  border-radius: 22px;
  border-width: 7px;
  padding: 10px;
}
.page-products .device-frame__shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  object-fit: cover;
}
.page-products .device-frame--pad .device-frame__shot {
  border-radius: 12px;
}
.page-products .device-frame__notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 68px;
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  z-index: 1;
}
.page-products .device-frame__notch--circle {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.32);
}
.page-products .device-card__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  margin-top: 1.25rem;
}
.page-products .device-card__desc {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}
.page-products .device-card__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  width: 100%;
  text-align: left;
}
.page-products .device-card__list li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.375rem;
  font-size: 0.9375rem;
  color: var(--color-text);
  border-bottom: 1px dashed var(--color-border);
}
.page-products .device-card__list li:last-child {
  border-bottom: 0;
}
.page-products .device-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  transform: rotate(45deg);
}
.page-products .device-card__body .btn {
  width: 100%;
}
.page-products .device-card__progress {
  position: relative;
  width: 100%;
  height: 3px;
  margin-top: 1rem;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}
.page-products .device-card__progress span {
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform-origin: left;
  animation: products-progress 2.6s ease-in-out infinite;
}

/* ---------- 02 核心功能 ---------- */
.page-products .core-features {
  position: relative;
  background:
    radial-gradient(circle at 85% 10%, rgba(255, 107, 53, 0.1) 0%, transparent 42%),
    linear-gradient(140deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}
.page-products .feature-layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}
.page-products .feature-grid {
  display: grid;
  gap: 1.25rem;
}
.page-products .feature-card {
  position: relative;
  padding: 1.75rem 1.5rem 1.5rem;
  background: var(--color-surface);
  color: var(--color-text);
  clip-path: polygon(0 0, calc(100% - var(--products-corner)) 0, 100% var(--products-corner), 100% 100%, var(--products-corner) 100%, 0 calc(100% - var(--products-corner)));
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-products .feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(3, 12, 38, 0.28);
}
.page-products .feature-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.page-products .feature-card__num {
  font-family: var(--font-headline);
  font-size: 1.375rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}
.page-products .feature-card svg {
  color: var(--color-accent);
}
.page-products .feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--color-primary);
}
.page-products .feature-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}
.page-products .feature-visual {
  position: relative;
}
.page-products .feature-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}
.page-products .feature-visual__tag {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.375rem 0.75rem;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

/* ---------- 03 版本差异 ---------- */
.page-products .version-layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}
.page-products .version-table {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
}
.page-products .version-table__row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--color-border);
}
.page-products .version-table__row:last-child {
  border-bottom: 0;
}
.page-products .version-table__head {
  display: none;
}
.page-products .version-table__cell {
  padding: 0.75rem 0.5rem;
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--color-text);
}
.page-products .version-table__label {
  grid-column: 1 / -1;
  padding: 0.625rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-primary);
  background: rgba(10, 36, 99, 0.045);
}
.page-products .version-table__platform {
  display: block;
  font-style: normal;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 1px;
}
.page-products .version-table__yes {
  color: var(--color-success);
  font-weight: 700;
}
.page-products .version-table__no {
  color: var(--color-text-muted);
}
.page-products .version-table__strong {
  font-family: var(--font-headline);
  color: var(--color-primary);
  letter-spacing: 0.03em;
}
.page-products .version-visual {
  position: relative;
}
.page-products .version-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}
.page-products .version-visual__tag {
  position: absolute;
  right: 1rem;
  top: 1rem;
  padding: 0.375rem 0.75rem;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

/* ---------- 04 更新记录 ---------- */
.page-products .changelog {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  position: relative;
}
.page-products .changelog::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-primary) 100%);
}
.page-products .changelog__item {
  position: relative;
  padding: 0 0 2rem 2.25rem;
}
.page-products .changelog__item:last-child {
  padding-bottom: 0;
}
.page-products .changelog__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 16px;
  height: 16px;
  background: var(--color-surface);
  border: 3px solid var(--color-accent);
  transform: rotate(45deg);
}
.page-products .changelog__badge-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
}
.page-products .changelog__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-headline);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}
.page-products .changelog__time {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.page-products .changelog__content h3 {
  margin: 0.75rem 0 0.375rem;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--color-primary);
}
.page-products .changelog__content p {
  margin: 0;
  max-width: 78ch;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ---------- 收尾下载 ---------- */
.page-products .download-final {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-primary) 0%, var(--products-deep) 100%);
}
.page-products .download-final::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 72%);
}
.page-products .download-final::after {
  content: "";
  position: absolute;
  left: -90px;
  bottom: -110px;
  width: 260px;
  height: 260px;
  background: var(--color-accent);
  opacity: 0.1;
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-products .download-final__inner {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 1.25rem;
}
.page-products .download-final h2 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: clamp(1.75rem, 4vw, 3rem);
  color: #fff;
  letter-spacing: 0.01em;
}
.page-products .download-final p {
  margin: 0;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}
.page-products .download-final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 0.5rem;
}
.page-products .download-final__note {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.62);
}
.page-products .download-final__note a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-products .download-final__note a:hover {
  color: var(--color-accent-light);
}

/* ---------- 动画 ---------- */
@keyframes products-progress {
  0% {
    transform: scaleX(0);
    opacity: 0.35;
  }
  55% {
    transform: scaleX(0.82);
    opacity: 1;
  }
  100% {
    transform: scaleX(1);
    opacity: 0.35;
  }
}

/* ---------- 响应式：平板 & 桌面 ---------- */
@media (min-width: 768px) {
  .page-products .download-hero {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
  .page-products .download-hero__frame-wrap {
    justify-self: end;
  }
  .page-products .platform-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
  .page-products .device-card--android {
    margin-top: 2.25rem;
  }
  .page-products .device-card--pad {
    margin-top: 4.5rem;
  }
  .page-products .feature-layout {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: center;
    gap: 2.5rem;
  }
  .page-products .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .page-products .feature-grid .feature-card:nth-child(even) {
    transform: translateY(1.75rem);
  }
  .page-products .feature-grid .feature-card:nth-child(even):hover {
    transform: translateY(calc(1.75rem - 6px));
  }
  .page-products .version-layout {
    grid-template-columns: 1.35fr 0.65fr;
    align-items: center;
    gap: 2.5rem;
  }
  .page-products .version-table__head {
    display: grid;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
  }
  .page-products .version-table__head .version-table__cell {
    color: #fff;
  }
  .page-products .version-table__row {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
  .page-products .version-table__label {
    grid-column: auto;
    background: rgba(10, 36, 99, 0.045);
  }
  .page-products .version-table__platform {
    display: none;
  }
}

@media (min-width: 1024px) {
  .page-products .download-hero {
    min-height: 560px;
  }
  .page-products .changelog {
    margin-left: 2rem;
  }
  .page-products .version-table__cell {
    padding: 0.875rem 1rem;
  }
}

/* ---------- 无障碍：减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .device-card__progress span {
    animation: none;
    transform: scaleX(1);
    background: var(--color-success);
  }
  .page-products .device-card,
  .page-products .feature-card,
  .page-products .brand-strip,
  .page-products .download-hero__frame-wrap,
  .page-products .hero-stats__item {
    transition: none;
    animation: none;
  }
}