/* ===== 首页专属样式 .page-home ===== */
.page-home {
  --hero-min-height: clamp(600px, 100vh, 900px);
  --card-flip-duration: 0.6s;
  --pulse-color: rgba(255, 213, 79, 0.5);
  --gold-gradient: linear-gradient(135deg, #FFD54F 0%, #FFC107 50%, #FFD54F 100%);
}

/* ----- 首屏：动态背景与积分榜入口 ----- */
.page-home .home-hero {
  position: relative;
  min-height: var(--hero-min-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-secondary, #1A237E);
  overflow: hidden;
  isolation: isolate;
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  mix-blend-mode: overlay;
}

.page-home .hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at 30% 50%, rgba(26, 35, 126, 0.65) 0%, rgba(26, 35, 126, 0.92) 70%);
}

.page-home .hero-lights {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.page-home .hero-lights::before,
.page-home .hero-lights::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg at 50% 50%, transparent 0%, rgba(255, 213, 79, 0.08) 20%, transparent 40%, rgba(255, 213, 79, 0.05) 60%, transparent 80%);
  animation: heroLightSweep 8s linear infinite;
}

.page-home .hero-lights::after {
  animation-delay: -4s;
  background: conic-gradient(from 180deg at 50% 50%, transparent 0%, rgba(255, 213, 79, 0.06) 25%, transparent 50%, rgba(255, 213, 79, 0.04) 75%, transparent 100%);
}

@keyframes heroLightSweep {
  0% { transform: rotate(0deg) scale(1); opacity: 0.6; }
  50% { transform: rotate(180deg) scale(1.15); opacity: 1; }
  100% { transform: rotate(360deg) scale(1); opacity: 0.6; }
}

.page-home .hero-inner {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: var(--space-xl, 3rem);
  padding-bottom: var(--space-xl, 3rem);
  width: 100%;
}

.page-home .hero-breadcrumb {
  font-family: var(--font-body, sans-serif);
  font-size: var(--size-small, 0.75rem);
  color: var(--color-accent, #FFD54F);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-md, 1rem);
  opacity: 0.85;
}

.page-home .breadcrumb-sep {
  margin: 0 var(--space-sm, 0.5rem);
  color: var(--color-accent-dark, #FFC107);
}

.page-home .hero-title {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--color-white, #FFFFFF);
  line-height: 1.1;
  margin: 0 0 var(--space-sm, 0.5rem);
  letter-spacing: 2px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.page-home .hero-title-accent {
  display: block;
  background: var(--gold-gradient, linear-gradient(135deg, #FFD54F, #FFC107));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.15em;
  letter-spacing: 4px;
}

.page-home .hero-subtitle {
  font-family: var(--font-body, sans-serif);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: var(--space-md, 1rem) auto var(--space-lg, 2rem);
  line-height: 1.6;
}

.page-home .hero-brand-link {
  color: var(--color-accent, #FFD54F);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .hero-brand-link:hover {
  color: var(--color-white, #FFFFFF);
}

.page-home .btn-hero {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm, 0.5rem);
  padding: 1rem 2.5rem;
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-white, #FFFFFF);
  background-color: var(--color-primary, #E53935);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  position: relative;
  transition: transform var(--transition, 0.25s), box-shadow var(--transition, 0.25s);
  animation: heroPulse 2.5s ease-in-out infinite;
  box-shadow: 0 0 0 0 var(--pulse-color, rgba(255, 213, 79, 0.5)), 0 4px 20px rgba(0, 0, 0, 0.3);
}

.page-home .btn-hero:hover {
  transform: scale(1.04);
  box-shadow: 0 0 0 12px transparent, 0 6px 28px rgba(0, 0, 0, 0.4);
  animation-play-state: paused;
}

.page-home .btn-hero:focus-visible {
  outline: 3px solid var(--color-accent, #FFD54F);
  outline-offset: 3px;
}

@keyframes heroPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--pulse-color, rgba(255, 213, 79, 0.5)), 0 4px 20px rgba(0, 0, 0, 0.3); }
  50% { box-shadow: 0 0 0 18px transparent, 0 4px 28px rgba(0, 0, 0, 0.35); }
}

.page-home .hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm, 0.5rem);
  margin-top: var(--space-lg, 2rem);
}

.page-home .hero-tag {
  font-family: var(--font-body, sans-serif);
  font-size: var(--size-small, 0.75rem);
  color: var(--color-white, #FFFFFF);
  background-color: rgba(255, 255, 255, 0.12);
  padding: 0.35rem 1rem;
  border-radius: 20px;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(4px);
}

/* ----- 首屏侧边卡片（桌面端） ----- */
.page-home .hero-side-cards {
  position: absolute;
  z-index: 3;
  right: clamp(1rem, 4vw, 4rem);
  top: 50%;
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  gap: var(--space-md, 1rem);
  width: 220px;
}

.page-home .hero-side-card {
  background-color: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(8px);
  padding: var(--space-md, 1rem) var(--space-lg, 2rem);
  border-radius: 6px;
  border-left: 4px solid var(--color-accent, #FFD54F);
  transition: background-color var(--transition, 0.25s), transform var(--transition, 0.25s);
}

.page-home .hero-side-card:hover {
  background-color: rgba(255, 255, 255, 0.14);
  transform: translateX(-4px);
}

.page-home .side-card-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: var(--space-xs, 0.25rem);
}

.page-home .side-card-title {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 1rem;
  color: var(--color-accent, #FFD54F);
  margin: 0 0 var(--space-xs, 0.25rem);
  letter-spacing: 1px;
}

.page-home .side-card-desc {
  font-family: var(--font-body, sans-serif);
  font-size: var(--size-small, 0.75rem);
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
  line-height: 1.4;
}

/* ----- 斜线分割（复用全局类装饰） ----- */
.page-home .diagonal-divider {
  height: 48px;
  background: linear-gradient(135deg, var(--color-secondary, #1A237E) 33%, var(--color-accent, #FFD54F) 33%, var(--color-accent, #FFD54F) 37%, var(--color-primary, #E53935) 37%);
  clip-path: polygon(0 0, 100% 40%, 100% 100%, 0 60%);
  margin: 0;
}

.page-home .diagonal-divider-reverse {
  background: linear-gradient(225deg, var(--color-secondary, #1A237E) 33%, var(--color-accent, #FFD54F) 33%, var(--color-accent, #FFD54F) 37%, var(--color-primary, #E53935) 37%);
  clip-path: polygon(0 40%, 100% 0, 100% 60%, 0 100%);
}

/* ----- 亮点区：CMP新版面板三大亮点 ----- */
.page-home .home-highlights {
  background-color: var(--color-bg-cream, #FFF8E1);
  padding: var(--space-2xl, 4rem) 0;
}

.page-home .home-highlights .section-title {
  text-align: center;
  margin-bottom: var(--space-xl, 3rem);
  color: var(--color-secondary, #1A237E);
}

.page-home .home-highlights .section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gold-gradient, linear-gradient(135deg, #FFD54F, #FFC107));
  margin: var(--space-sm, 0.5rem) auto 0;
  border-radius: 2px;
}

.page-home .highlights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl, 3rem);
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
}

/* ----- 翻转卡片 ----- */
.page-home .highlight-card {
  perspective: 1200px;
  min-height: 340px;
}

.page-home .card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 340px;
  transform-style: preserve-3d;
  transition: transform var(--card-flip-duration, 0.6s) cubic-bezier(0.4, 0, 0.2, 1);
}

.page-home .highlight-card:hover .card-inner,
.page-home .highlight-card:focus-within .card-inner {
  transform: rotateY(180deg);
}

.page-home .card-front,
.page-home .card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 8px;
  padding: var(--space-lg, 2rem);
  display: flex;
  flex-direction: column;
  background-color: var(--color-white, #FFFFFF);
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.08));
  border: 2px solid transparent;
  background-clip: padding-box;
}

.page-home .card-front {
  background-image: linear-gradient(var(--color-white, #FFFFFF), var(--color-white, #FFFFFF)), var(--gold-gradient, linear-gradient(135deg, #FFD54F, #FFC107));
  background-origin: padding-box, border-box;
  background-repeat: no-repeat;
  background-clip: padding-box, border-box;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.page-home .card-back {
  transform: rotateY(180deg);
  background-color: var(--color-secondary, #1A237E);
  color: var(--color-white, #FFFFFF);
  align-items: flex-start;
  justify-content: center;
  text-align: left;
  border-color: var(--color-accent, #FFD54F);
}

.page-home .card-img {
  width: 100%;
  max-width: 260px;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: var(--space-md, 1rem);
}

.page-home .card-heading {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: var(--size-h3, 1.75rem);
  color: var(--color-secondary, #1A237E);
  margin: var(--space-sm, 0.5rem) 0;
  letter-spacing: 1px;
}

.page-home .card-summary {
  font-family: var(--font-body, sans-serif);
  font-size: var(--size-body, 1rem);
  color: var(--color-text-light, #616161);
  line-height: 1.5;
  margin: 0;
}

.page-home .card-detail {
  font-family: var(--font-body, sans-serif);
  font-size: var(--size-body, 1rem);
  line-height: 1.7;
  margin: 0 0 var(--space-md, 1rem);
  color: rgba(255, 255, 255, 0.9);
}

.page-home .card-back .text-link {
  color: var(--color-accent, #FFD54F);
  font-weight: 600;
  text-underline-offset: 3px;
}

.page-home .card-back .text-link:hover {
  color: var(--color-white, #FFFFFF);
}

/* 纯文字卡片（第三张）特殊样式 */
.page-home .highlight-card-text .card-icon-large {
  font-size: 3.5rem;
  display: block;
  margin-bottom: var(--space-sm, 0.5rem);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.page-home .highlight-card-text .card-front {
  background-image: linear-gradient(var(--color-bg-cream, #FFF8E1), var(--color-bg-cream, #FFF8E1)), var(--gold-gradient);
  background-origin: padding-box, border-box;
  background-repeat: no-repeat;
  background-clip: padding-box, border-box;
}

/* ----- 快捷入口区 ----- */
.page-home .home-cta {
  background-color: var(--color-secondary, #1A237E);
  padding: var(--space-2xl, 4rem) 0;
  position: relative;
}

.page-home .home-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary, #E53935), var(--color-accent, #FFD54F), var(--color-primary, #E53935));
  opacity: 0.6;
}

.page-home .cta-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md, 1rem);
  margin-bottom: var(--space-xl, 3rem);
  flex-wrap: wrap;
}

.page-home .cta-trophy {
  width: 56px;
  height: 56px;
  object-fit: contain;
  opacity: 0.9;
  filter: drop-shadow(0 4px 12px rgba(255, 213, 79, 0.35));
}

.page-home .home-cta .section-title {
  color: var(--color-white, #FFFFFF);
  margin: 0;
}

.page-home .home-cta .section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gold-gradient, linear-gradient(135deg, #FFD54F, #FFC107));
  margin: var(--space-sm, 0.5rem) auto 0;
  border-radius: 2px;
}

.page-home .cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md, 1rem);
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
}

.page-home .cta-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl, 3rem) var(--space-lg, 2rem);
  background-color: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 213, 79, 0.2);
  border-radius: 8px;
  text-decoration: none;
  transition: background-color var(--transition, 0.25s), border-color var(--transition, 0.25s), transform var(--transition, 0.25s);
  text-align: center;
  cursor: pointer;
}

.page-home .cta-card:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-accent, #FFD54F);
  transform: translateY(-6px);
}

.page-home .cta-card:focus-visible {
  outline: 3px solid var(--color-accent, #FFD54F);
  outline-offset: 3px;
}

.page-home .cta-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm, 0.5rem);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.page-home .cta-label {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 1.35rem;
  color: var(--color-accent, #FFD54F);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-xs, 0.25rem);
}

.page-home .cta-desc {
  font-family: var(--font-body, sans-serif);
  font-size: var(--size-body, 1rem);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.4;
}

/* ----- 响应式：平板≥600px ----- */
@media (min-width: 600px) {
  .page-home .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .highlight-card:last-child {
    grid-column: 1 / -1;
    max-width: 540px;
    justify-self: center;
  }

  .page-home .cta-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .hero-tags {
    gap: var(--space-md, 1rem);
  }

  .page-home .hero-tag {
    font-size: var(--size-small, 0.75rem);
    padding: 0.4rem 1.2rem;
  }
}

/* ----- 响应式：桌面≥960px ----- */
@media (min-width: 960px) {
  .page-home .home-hero {
    min-height: var(--hero-min-height);
    justify-content: flex-start;
    padding-left: 0;
  }

  .page-home .hero-inner {
    align-items: flex-start;
    text-align: left;
    padding-left: clamp(2rem, 6vw, 6rem);
    max-width: 620px;
  }

  .page-home .hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
  }

  .page-home .hero-subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .page-home .hero-tags {
    justify-content: flex-start;
  }

  .page-home .hero-side-cards {
    display: flex;
  }

  .page-home .highlights-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg, 2rem);
  }

  .page-home .highlight-card:last-child {
    grid-column: auto;
    max-width: none;
    justify-self: auto;
  }

  .page-home .cta-grid {
    gap: var(--space-lg, 2rem);
  }

  .page-home .cta-card {
    padding: var(--space-2xl, 4rem) var(--space-lg, 2rem);
  }
}

/* ----- 响应式：大屏≥1280px ----- */
@media (min-width: 1280px) {
  .page-home .hero-inner {
    padding-left: clamp(4rem, 10vw, 10rem);
    max-width: 700px;
  }

  .page-home .hero-side-cards {
    width: 260px;
    gap: var(--space-lg, 2rem);
  }

  .page-home .hero-side-card {
    padding: var(--space-lg, 2rem);
  }

  .page-home .highlights-grid {
    gap: var(--space-xl, 3rem);
  }
}

/* ----- 减少动画偏好 ----- */
@media (prefers-reduced-motion: reduce) {
  .page-home .hero-lights::before,
  .page-home .hero-lights::after {
    animation: none;
    opacity: 0.08;
  }

  .page-home .btn-hero {
    animation: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .page-home .highlight-card:hover .card-inner,
  .page-home .highlight-card:focus-within .card-inner {
    transform: none;
  }

  .page-home .card-back {
    display: none;
  }

  .page-home .highlight-card:hover .card-back,
  .page-home .highlight-card:focus-within .card-back {
    display: flex;
  }

  .page-home .cta-card:hover {
    transform: none;
  }

  .page-home .hero-side-card:hover {
    transform: none;
  }
}