/* ========== page-home 专属样式 ========== */
.page-home {
  --hero-text-bg: #1A1A1A;
  --hero-text-fg: #ECF0F1;
  --section-number-color: #C0392B;
  --accent-glow: #F1C40F;
  --card-bg: #F0F0F0;
  --card-border: #BDC3C7;
  --compare-gap: 2rem;
  --quick-link-bg: #2C3E50;
}

/* 移动端优先 */
.page-home {
  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: var(--color-white);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  padding-bottom: 4rem;
}

/* 面包屑 */
.page-home .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.page-home .breadcrumb a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-home .breadcrumb a:hover,
.page-home .breadcrumb a:focus-visible {
  border-bottom-color: var(--color-gold);
}

/* 控制台面板 */
.page-home .control-panel {
  background: rgba(0, 0, 0, 0.15);
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--color-primary);
  margin-top: 1.5rem;
}

.page-home .control-panel__label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.page-home .filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-home .filter-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  cursor: pointer;
  transition: all 0.25s ease;
  border-radius: 2px;
}

.page-home .filter-btn:hover,
.page-home .filter-btn:focus-visible {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: bold;
}

/* ===== 分屏首屏 ===== */
.page-home .s-hero {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
}

.page-home .s-hero__text {
  background: var(--hero-text-bg);
  color: var(--hero-text-fg);
  padding: 2rem 1.5rem;
  order: 2;
}

.page-home .s-hero__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin: 0 0 0.5rem;
  line-height: 1.15;
  color: var(--color-gold);
  text-shadow: 1px 1px 0 rgba(0,0,0,0.3);
}

.page-home .s-hero__subtitle {
  font-size: 1.05rem;
  opacity: 0.9;
  max-width: 32em;
  margin-bottom: 0.5rem;
}

.page-home .s-hero__visual {
  position: relative;
  order: 1;
  background: linear-gradient(135deg, #1A1A1A 0%, #C0392B 100%);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-home .s-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  display: block;
}

.page-home .s-hero__deco {
  position: absolute;
  right: 5%;
  top: 10%;
  pointer-events: none;
  opacity: 0.6;
}

.page-home .s-hero__svg {
  width: clamp(80px, 20vw, 200px);
  height: auto;
}

/* ===== 编号章节通用 ===== */
.page-home .section-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--section-number-color);
  opacity: 0.25;
  margin-bottom: 0.25rem;
}

/* ===== 核心对比区块 ===== */
.page-home .s-compare {
  padding: 2.5rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  position: relative;
}

.page-home .s-compare__heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin: 0 0 1.25rem;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

.page-home .s-compare__content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-home .s-compare__img {
  width: 100%;
  max-width: 100%;
  border: 2px solid var(--color-gold);
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.page-home .s-compare__img:hover {
  box-shadow: 0 0 0 3px var(--color-gold), 0 8px 24px rgba(0,0,0,0.1);
}

.page-home .s-compare__img img {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
}

.page-home .s-compare__text p {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

/* 反向对比 */
.page-home .s-compare--reverse .s-compare__content {
  flex-direction: column;
}

/* ===== 平台亮点 ===== */
.page-home .s-highlights {
  padding: 2.5rem 1.5rem;
  background: var(--color-dark);
  color: var(--color-text-light);
}

.page-home .s-highlights .section-number {
  color: var(--color-gold);
  opacity: 0.4;
}

.page-home .s-highlights__heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin: 0 0 1.5rem;
  color: var(--color-gold);
}

.page-home .s-highlights__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-home .s-highlights .card {
  background: var(--card-bg);
  color: var(--color-text);
  border: 1px solid var(--card-border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

.page-home .s-highlights .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  border-color: var(--color-gold);
}

.page-home .s-highlights .card__img {
  width: 100%;
  overflow: hidden;
}

.page-home .s-highlights .card__img img {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
}

.page-home .s-highlights .card__body {
  padding: 1.25rem;
  flex: 1;
}

.page-home .s-highlights .card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--color-primary);
}

.page-home .s-highlights .card__body p {
  margin: 0;
  font-size: 0.95rem;
}

/* ===== 快速入口 ===== */
.page-home .s-quick-links {
  padding: 3rem 1.5rem 1rem;
  text-align: center;
}

.page-home .s-quick-links__heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin: 0 0 1.25rem;
  color: var(--color-dark);
}

.page-home .s-quick-links .section-number {
  opacity: 0.15;
}

.page-home .s-quick-links__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.page-home .btn {
  display: inline-block;
  padding: 0.7rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  border-radius: 2px;
}

.page-home .btn--gold {
  background: var(--color-gold);
  color: #1A1A1A;
  border-color: var(--color-gold);
}

.page-home .btn--gold:hover,
.page-home .btn--gold:focus-visible {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.page-home .btn--primary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-home .btn--primary:hover,
.page-home .btn--primary:focus-visible {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-home {
    gap: 0;
  }

  /* 分屏首屏 左右分置 */
  .page-home .s-hero {
    flex-direction: row;
    min-height: 70vh;
  }

  .page-home .s-hero__text {
    flex: 0 0 45%;
    order: 0;
    padding: 4rem 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-home .s-hero__visual {
    flex: 1;
    order: 0;
    min-height: unset;
  }

  .page-home .s-hero__title {
    font-size: 3rem;
  }

  .page-home .s-hero__subtitle {
    font-size: 1.2rem;
  }

  /* 核心对比 双列布局 */
  .page-home .s-compare {
    padding: 4rem 3rem;
  }

  .page-home .s-compare__content {
    flex-direction: row;
    align-items: center;
  }

  .page-home .s-compare--reverse .s-compare__content {
    flex-direction: row;
  }

  .page-home .s-compare__img {
    flex: 0 0 48%;
    max-width: 48%;
  }

  .page-home .s-compare__img--order2 {
    order: 2;
  }

  .page-home .s-compare__text {
    flex: 1;
  }

  .page-home .s-compare__text--order1 {
    order: 1;
  }

  /* 平台亮点 多列网格 */
  .page-home .s-highlights {
    padding: 4rem 3rem;
  }

  .page-home .s-highlights__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-home .s-highlights .card:first-child {
    grid-column: 1 / -1;
  }

  /* 快速入口 按钮列 */
  .page-home .s-quick-links {
    padding: 4rem 3rem 2rem;
  }

  .page-home .s-quick-links__grid {
    gap: 1rem;
  }
}

/* ===== 大屏幕微调 ===== */
@media (min-width: 1200px) {
  .page-home .s-hero__text {
    padding: 4rem 5rem;
  }

  .page-home .s-compare {
    padding: 5rem 4rem;
  }

  .page-home .s-highlights {
    padding: 5rem 4rem;
  }

  .page-home .s-quick-links {
    padding: 5rem 4rem 3rem;
  }
}