/* ===== 应用中心专属样式 ===== */
.page-products {
  --doc-card-rotate: -1.2deg;
  --doc-card-s-rotate: 1.2deg;
  --doc-card-shadow: 0 8px 32px rgba(10,37,64,0.10), 0 2px 8px rgba(10,37,64,0.06);
  --doc-card-shadow-hover: 0 16px 48px rgba(10,37,64,0.16), 0 4px 12px rgba(10,37,64,0.10);
  --tabs-accent-line: 3px solid var(--color-accent);
  --deck-gap: 2rem;
  color: var(--color-text);
  font-family: var(--font-family);
  line-height: var(--line-height-body);
}

/* 容器统一 */
.page-products .container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  padding: 1.5rem 0 1rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.page-products .breadcrumb-link {
  color: var(--color-text-medium);
  text-decoration: none;
  transition: color var(--transition-base);
}

.page-products .breadcrumb-link:hover {
  color: var(--color-accent);
}

.page-products .breadcrumb-separator {
  color: var(--color-border);
  user-select: none;
}

.page-products .breadcrumb-item {
  color: var(--color-accent);
  font-weight: 500;
}

/* ---------- 应用概览 ---------- */
.page-products .app-overview {
  padding: 0.5rem 0 2.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.page-products .app-overview .section-title {
  font-size: 2.2rem;
  font-weight: var(--heading-weight);
  letter-spacing: var(--letter-spacing-headings);
  color: var(--color-primary);
  margin: 0 0 0.75rem;
  line-height: 1.2;
}

.page-products .app-overview__desc {
  font-size: 1.05rem;
  color: var(--color-text-medium);
  max-width: 640px;
  margin: 0;
}

.page-products .app-overview__desc strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* ---------- 卡片叠层容器 ---------- */
.page-products .cards-deck {
  display: flex;
  flex-direction: column;
  gap: var(--deck-gap);
  position: relative;
  padding: 1rem 0 1.5rem;
}

/* ---------- 单张卡片 ---------- */
.page-products .doc-card {
  display: flex;
  flex-direction: column;
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--doc-card-shadow);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  transform: rotate(var(--doc-card-rotate));
  position: relative;
  z-index: 1;
  border: 1px solid rgba(212,220,229,0.4);
}

.page-products .doc-card--s {
  transform: rotate(var(--doc-card-s-rotate));
}

/* 悬停加深阴影 */
@media (hover: hover) {
  .page-products .doc-card:hover {
    box-shadow: var(--doc-card-shadow-hover);
    transform: rotate(0deg) translateY(-4px);
  }
}

/* 卡片内容布局 */
.page-products .doc-card__cover {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-warm-white);
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.page-products .doc-card__cover-img {
  width: 100%;
  max-width: 140px;
  height: auto;
  aspect-ratio: 200/260;
  object-fit: contain;
  display: block;
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(10,37,64,0.08);
}

.page-products .doc-card__body {
  padding: 1.5rem 1.5rem 1.8rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page-products .doc-card__title {
  font-size: 1.4rem;
  font-weight: var(--heading-weight);
  letter-spacing: var(--letter-spacing-headings);
  color: var(--color-primary);
  margin: 0 0 0.15rem;
  line-height: 1.3;
}

.page-products .doc-card__subtitle {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0 0 1.25rem;
}

/* ---------- 标签页系统 ---------- */
.page-products .tabs {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.page-products .tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1rem;
  padding-bottom: 0;
}

.page-products .tabs__link {
  display: inline-block;
  padding: 0.55rem 1rem 0.55rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-medium);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.page-products .tabs__link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-silver);
}

.page-products .tabs__link[aria-selected="true"],
.page-products .tabs__link.is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-products .tabs__panels {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.page-products .tabs__panel {
  display: block;
  padding: 0.25rem 0;
  animation: tab-fade-in 0.3s ease;
}

/* JS 切换时隐藏非活跃面板，默认全部可见（渐进增强） */
.page-products .tabs__panel[hidden] {
  display: none;
}

@keyframes tab-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .tabs__panel-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 0 0 0.5rem;
}

.page-products .tabs__panel-text {
  font-size: 0.95rem;
  color: var(--color-text-medium);
  margin: 0;
  line-height: 1.65;
}

.page-products .tabs__panel-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-medium);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-products .tabs__panel-list--ordered {
  padding-left: 1.5rem;
}

/* ---------- 装饰圆点 ---------- */
.page-products .deck-dot {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.25rem 0;
  pointer-events: none;
}

.page-products .deck-dot__img {
  width: 60px;
  height: auto;
  opacity: 0.7;
  display: block;
}

/* ---------- 版本选择入口 ---------- */
.page-products .version-entry {
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, var(--color-warm-white) 0%, #edf0f5 100%);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
}

.page-products .version-entry__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.page-products .version-entry__text {
  text-align: center;
}

.page-products .version-entry__title {
  font-size: 1.5rem;
  font-weight: var(--heading-weight);
  letter-spacing: var(--letter-spacing-headings);
  color: var(--color-primary);
  margin: 0 0 0.6rem;
}

.page-products .version-entry__desc {
  font-size: 0.98rem;
  color: var(--color-text-medium);
  max-width: 520px;
  margin: 0 auto 1.25rem;
  line-height: 1.6;
}

.page-products .version-entry__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.page-products .version-entry__actions .btn {
  padding: 0.65rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: inline-flex;
  align-items: center;
}

.page-products .version-entry__actions .btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px rgba(255,111,60,0.25);
}

.page-products .version-entry__actions .btn-primary:hover {
  box-shadow: 0 6px 24px rgba(255,111,60,0.35);
  transform: translateY(-2px);
}

.page-products .version-entry__actions .btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.page-products .version-entry__actions .btn-outline:hover {
  background: var(--color-hover-overlay);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-products .version-entry__visual {
  width: 100%;
  max-width: 400px;
}

.page-products .version-entry__img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
  box-shadow: 0 4px 16px rgba(10,37,64,0.08);
}

/* ---------- 底部纹理 ---------- */
.page-products .bg-texture {
  margin: 0.5rem 0 0;
  padding: 0;
  line-height: 0;
  border-radius: 12px;
  overflow: hidden;
  opacity: 0.5;
}

.page-products .bg-texture__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ===== 桌面端 (768px+) ===== */
@media (min-width: 768px) {
  .page-products .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .page-products .app-overview {
    padding: 1rem 0 3rem;
    margin-bottom: 3rem;
  }

  .page-products .app-overview .section-title {
    font-size: 2.8rem;
  }

  .page-products .app-overview__desc {
    font-size: 1.1rem;
  }

  /* 卡片并排 */
  .page-products .cards-deck {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 2rem;
    padding: 1.5rem 0 2rem;
  }

  .page-products .doc-card {
    flex: 1;
    flex-direction: row;
    transform: rotate(var(--doc-card-rotate));
  }

  .page-products .doc-card--s {
    transform: rotate(var(--doc-card-s-rotate));
  }

  .page-products .doc-card__cover {
    width: 200px;
    min-width: 160px;
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    padding: 1.8rem 1.2rem;
  }

  .page-products .doc-card__cover-img {
    max-width: 120px;
  }

  .page-products .doc-card__body {
    padding: 1.8rem 2rem 2rem;
  }

  .page-products .doc-card__title {
    font-size: 1.5rem;
  }

  /* 装饰圆点置于两卡之间 */
  .page-products .deck-dot {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    padding: 0;
    pointer-events: none;
  }

  .page-products .deck-dot__img {
    width: 80px;
  }

  /* 版本入口：图文并排 */
  .page-products .version-entry {
    padding: 2.5rem 3rem;
    margin-top: 2rem;
  }

  .page-products .version-entry__inner {
    flex-direction: row;
    justify-content: space-between;
    gap: 2.5rem;
  }

  .page-products .version-entry__text {
    text-align: left;
    flex: 1;
  }

  .page-products .version-entry__title {
    font-size: 1.7rem;
  }

  .page-products .version-entry__desc {
    margin-left: 0;
    margin-right: 0;
  }

  .page-products .version-entry__actions {
    justify-content: flex-start;
  }

  .page-products .version-entry__visual {
    flex-shrink: 0;
    width: 360px;
  }

  /* 底部纹理 */
  .page-products .bg-texture {
    margin: 1rem 0 0;
    border-radius: 16px;
  }
}

/* ===== 大桌面端 (1024px+) ===== */
@media (min-width: 1024px) {
  .page-products .container {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }

  .page-products .app-overview .section-title {
    font-size: 3.2rem;
  }

  .page-products .cards-deck {
    gap: 2.5rem;
  }

  .page-products .doc-card__cover {
    width: 220px;
    min-width: 180px;
  }

  .page-products .doc-card__cover-img {
    max-width: 140px;
  }

  .page-products .doc-card__body {
    padding: 2rem 2.5rem 2.2rem;
  }

  .page-products .doc-card__title {
    font-size: 1.6rem;
  }

  .page-products .version-entry {
    padding: 3rem 3.5rem;
  }

  .page-products .version-entry__title {
    font-size: 1.9rem;
  }

  .page-products .version-entry__visual {
    width: 400px;
  }
}

/* ===== 超大桌面端 (1280px+) ===== */
@media (min-width: 1280px) {
  .page-products .app-overview .section-title {
    font-size: 3.5rem;
  }

  .page-products .cards-deck {
    gap: 3rem;
  }
}

/* ===== 减少动态视角时的旋转（ prefers-reduced-motion ） ===== */
@media (prefers-reduced-motion: reduce) {
  .page-products .doc-card,
  .page-products .doc-card--s {
    transform: none;
  }

  .page-products .doc-card:hover {
    transform: none;
  }

  .page-products .tabs__panel {
    animation: none;
  }

  .page-products .version-entry__actions .btn-primary:hover {
    transform: none;
  }
}