/* ===== 首页专属样式 .page-home ===== */
.page-home {
  --home-primary: #00D4FF;
  --home-secondary: #FF2D55;
  --home-accent-green: #00FFAA;
  --home-accent-purple: #7B2FFF;
  --home-bg-card: #141A21;
  --home-bg-overlay: rgba(0, 212, 255, 0.08);
  --home-gradient-hero: linear-gradient(135deg, #0D1117 0%, #1A1F26 60%, #0D1117 100%);
  --home-radius-sm: 2px;
  --home-radius-md: 4px;
  color: var(--text-primary);
  background: var(--bg-dark);
  overflow-x: hidden;
}

/* ===== 容器 ===== */
.page-home .container {
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 0 var(--gap, 2rem);
  width: 100%;
  box-sizing: border-box;
}

/* ===== 通用标题 ===== */
.page-home .section-title {
  font-family: var(--font-sans);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
  line-height: 1.15;
}
.page-home .section-desc {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0 0 2.5rem;
  letter-spacing: 0.02em;
  max-width: 540px;
}
.page-home .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ===== 首屏 Hero ===== */
.page-home .hero {
  position: relative;
  min-height: calc(100vh - var(--header-height, 64px));
  display: flex;
  align-items: center;
  background: var(--home-gradient-hero);
  overflow: hidden;
}
.page-home .hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  padding-top: 3rem;
  padding-bottom: 3rem;
  width: 100%;
  position: relative;
  z-index: 2;
}
.page-home .hero__text {
  flex: 1 1 100%;
  max-width: 580px;
  text-align: center;
}
.page-home .hero__label {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--home-primary);
  border: 1px solid var(--home-primary);
  padding: 0.25rem 0.75rem;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}
.page-home .hero__title {
  font-family: var(--font-sans);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.1;
  margin: 0 0 1.25rem;
  background: linear-gradient(135deg, var(--home-primary) 0%, var(--home-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-home .hero__desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.page-home .hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--bg-dark);
  background: var(--home-primary);
  padding: 0.75rem 2rem;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}
.page-home .hero__cta:hover,
.page-home .hero__cta:focus {
  background: var(--home-secondary);
  color: #fff;
  transform: translateY(-2px);
}
.page-home .hero__visual {
  flex: 1 1 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  overflow: hidden;
  width: 100%;
}
.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: saturate(1.2) contrast(1.1);
}
.page-home .hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.page-home .particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--home-primary);
  border-radius: 50%;
  left: calc(var(--x) * 100%);
  top: calc(var(--y) * 100%);
  animation: home-particle-float var(--d, 1s) ease-in-out infinite alternate;
  box-shadow: 0 0 8px var(--home-primary), 0 0 16px var(--home-primary);
}
.page-home .particle:nth-child(odd) {
  background: var(--home-secondary);
  box-shadow: 0 0 8px var(--home-secondary), 0 0 20px var(--home-secondary);
}
@keyframes home-particle-float {
  0% { transform: translate(0, 0) scale(0.6); opacity: 0.3; }
  100% { transform: translate(30px, -40px) scale(1.2); opacity: 0.9; }
}
.page-home .particle:nth-child(3n) { animation-duration: calc(var(--d) + 0.6s); }
.page-home .particle:nth-child(4n) { animation-duration: calc(var(--d) + 1.0s); }

/* ===== 赛场实况 ===== */
.page-home .matches {
  padding: 5rem 0 4rem;
  background: var(--bg-dark);
}
.page-home .matches__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.page-home .match-card {
  position: relative;
  background: var(--home-bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 1.5rem 1.25rem;
  cursor: default;
  transition: border-color var(--transition), background var(--transition);
  overflow: hidden;
}
.page-home .match-card:hover,
.page-home .match-card:focus {
  border-color: var(--home-primary);
  background: rgba(0, 212, 255, 0.04);
}
.page-home .match-card--featured {
  border-left: 3px solid var(--home-primary);
}
.page-home .match-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.page-home .match-card__league {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.page-home .match-card__time {
  opacity: 0.7;
}
.page-home .match-card__teams {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.page-home .match-card__team {
  flex: 1;
  line-height: 1.3;
}
.page-home .match-card__team:first-child { text-align: left; }
.page-home .match-card__team:last-child { text-align: right; }
.page-home .match-card__score {
  font-size: 1.3rem;
  color: var(--text-secondary);
  font-weight: 500;
  min-width: 2ch;
  text-align: center;
}
.page-home .match-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 0;
  overflow: hidden;
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(8px);
  padding: 0 1.25rem;
  transition: max-height 0.35s ease, padding 0.35s ease;
  border-top: 1px solid rgba(0, 212, 255, 0.2);
}
.page-home .match-card:hover .match-card__overlay,
.page-home .match-card:focus .match-card__overlay {
  max-height: 200px;
  padding: 1rem 1.25rem;
}
.page-home .match-card__overlay-label {
  display: block;
  font-size: 0.7rem;
  color: var(--home-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}
.page-home .match-card__stats {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.page-home .match-card__stats span {
  display: flex;
  justify-content: space-between;
}
.page-home .match-card__stats i {
  font-style: normal;
  color: var(--home-accent-green);
  font-family: var(--font-mono);
}
.page-home .matches__illustration {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 2rem auto 0;
  border: 1px solid rgba(255,255,255,0.06);
  opacity: 0.85;
}

/* ===== 积分榜速览 ===== */
.page-home .standings {
  padding: 4rem 0;
  background: var(--bg-light);
}
.page-home .standings__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding-bottom: 0.75rem;
}
.page-home .standings__tabs input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.page-home .standings__tabs label {
  display: inline-block;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  border: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  user-select: none;
}
.page-home .standings__tabs label:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}
.page-home .standings__tabs input[type="radio"]:checked + label {
  color: var(--home-primary);
  border-color: var(--home-primary);
  background: rgba(0, 212, 255, 0.06);
}
.page-home .standings__panels {
  position: relative;
  min-height: 280px;
}
.page-home .standings__panel {
  display: none;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.5rem 0;
}
.page-home #league-premier:checked ~ .standings__panels [data-league="premier"],
.page-home #league-laliga:checked ~ .standings__panels [data-league="laliga"],
.page-home #league-seriea:checked ~ .standings__panels [data-league="seriea"],
.page-home #league-bundesliga:checked ~ .standings__panels [data-league="bundesliga"],
.page-home #league-ligue1:checked ~ .standings__panels [data-league="ligue1"] {
  display: flex;
}
.page-home .standings__bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
}
.page-home .standings__team {
  min-width: 7ch;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.page-home .standings__bar-fill {
  display: block;
  height: 1.6rem;
  width: calc(var(--w) * 100%);
  max-width: 100%;
  background: linear-gradient(90deg, var(--home-primary) 0%, var(--home-secondary) 100%);
  opacity: 0.7;
  transition: width 0.4s ease, opacity var(--transition);
}
.page-home .standings__bar:hover .standings__bar-fill {
  opacity: 1;
}
.page-home .standings__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--home-primary);
  background: transparent;
  border: 1px solid var(--home-primary);
  padding: 0.6rem 1.5rem;
  margin-top: 2rem;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.page-home .standings__cta:hover,
.page-home .standings__cta:focus {
  background: var(--home-primary);
  color: var(--bg-dark);
}

/* ===== 品牌升级亮点 ===== */
.page-home .upgrade {
  padding: 5rem 0;
  background: var(--bg-dark);
}
.page-home .upgrade__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
.page-home .upgrade__card {
  background: var(--home-bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 2rem 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.page-home .upgrade__card:hover {
  border-color: var(--home-secondary);
  transform: translateY(-4px);
}
.page-home .upgrade__icon {
  color: var(--home-primary);
  margin-bottom: 1.25rem;
  width: 48px;
  height: 48px;
}
.page-home .upgrade__card:nth-child(2) .upgrade__icon { color: var(--home-secondary); }
.page-home .upgrade__card:nth-child(3) .upgrade__icon { color: var(--home-accent-green); }
.page-home .upgrade__title {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 0.75rem;
  color: var(--text-primary);
}
.page-home .upgrade__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.page-home .upgrade__illustration {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  margin: 0 auto;
  border: 1px solid rgba(255,255,255,0.05);
  opacity: 0.8;
}

/* ===== 设备演示 ===== */
.page-home .device-demo {
  padding: 4rem 0 5rem;
  background: var(--bg-light);
}
.page-home .device-demo__frame {
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.5rem;
  background: var(--home-bg-card);
  max-width: 820px;
  margin: 0 auto;
}
.page-home .device-demo__img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.85;
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-home .hero__inner {
    flex-direction: row;
    gap: 4rem;
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  .page-home .hero__text {
    text-align: left;
    flex: 1 1 45%;
  }
  .page-home .hero__desc {
    margin-left: 0;
    margin-right: 0;
  }
  .page-home .hero__visual {
    flex: 1 1 50%;
    min-height: 440px;
  }
  .page-home .hero__title {
    font-size: 4rem;
  }
  .page-home .matches__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .match-card--featured {
    grid-column: span 1;
  }
  .page-home .standings__tabs {
    flex-wrap: nowrap;
  }
  .page-home .upgrade__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
  .page-home .upgrade__card {
    padding: 2.5rem 2rem;
  }
}

@media (min-width: 1024px) {
  .page-home .hero__title {
    font-size: 4.5rem;
  }
  .page-home .matches__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-home .match-card--featured {
    grid-column: span 1;
  }
  .page-home .section-title {
    font-size: 2.75rem;
  }
}

@media (min-width: 1200px) {
  .page-home .matches__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  .page-home .match-card--featured:first-child {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
  }
  .page-home .match-card--featured:nth-child(5) {
    grid-column: 2 / 4;
    grid-row: 3 / 4;
  }
}

/* ===== 窄屏保护 ===== */
@media (max-width: 480px) {
  .page-home .container {
    padding: 0 1rem;
  }
  .page-home .hero__title {
    font-size: 2.25rem;
  }
  .page-home .section-title {
    font-size: 1.75rem;
  }
  .page-home .match-card__teams {
    font-size: 1rem;
    flex-wrap: nowrap;
  }
  .page-home .standings__team {
    min-width: 5ch;
    font-size: 0.85rem;
  }
  .page-home .standings__bar-fill {
    height: 1.2rem;
  }
  .page-home .upgrade__card {
    padding: 1.5rem 1rem;
  }
}

.page-home {
  --d: 0.3s;
  --w: 1rem;
  --x: inherit;
  --y: inherit;
}