/* ===== page-home 专属样式 ===== */
.page-home {
  --home-gap: 2rem;
  --home-section-spacing: 4rem;
  --hero-min-height: 85vh;
  --card-radius: 12px;
  --flame-color-1: #FF6B35;
  --flame-color-2: #FF9F1C;
  --flame-color-3: #E85D04;
  display: block;
  width: 100%;
  overflow-x: hidden;
  background-color: var(--clr-secondary, #0A192F);
  color: var(--clr-text-primary, #FFFFFF);
}

/* ---------- 分屏首屏 ---------- */
.page-home .hero-split {
  display: flex;
  flex-direction: column;
  min-height: var(--hero-min-height);
  position: relative;
  background-color: var(--clr-secondary, #0A192F);
}

.page-home .hero-left {
  position: relative;
  width: 100%;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-home .hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.page-home .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,25,47,0.85) 0%, rgba(10,25,47,0.40) 60%, rgba(10,25,47,0.70) 100%);
  z-index: 1;
}

.page-home .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 1.5rem;
  max-width: 600px;
}

.page-home .hero-tagline {
  display: inline-block;
  font-family: var(--font-body, "Roboto", sans-serif);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent, #00B4D8);
  border: 1px solid var(--clr-accent, #00B4D8);
  padding: 0.3rem 1rem;
  margin-bottom: 1rem;
}

.page-home .hero-title {
  font-family: var(--font-heading, "Impact", sans-serif);
  font-size: 3.2rem;
  line-height: 1.05;
  color: var(--clr-primary, #FF6B35);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-shadow: 0 0 20px rgba(255,107,53,0.35);
  margin: 0 0 0.5rem;
}

.page-home .hero-sub {
  font-family: var(--font-body, "Roboto", sans-serif);
  font-size: 1.05rem;
  color: var(--clr-text-secondary, #B0B0B0);
  margin: 0 0 1.8rem;
  line-height: 1.5;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.page-home .btn--lg {
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-family: var(--font-body, "Roboto", sans-serif);
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-home .btn--primary {
  background: linear-gradient(135deg, var(--clr-primary, #FF6B35), var(--clr-primary-dark, #CC4C1A));
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 20px rgba(255,107,53,0.35);
}

.page-home .btn--primary:hover,
.page-home .btn--primary:focus-visible {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 32px rgba(255,107,53,0.55);
}

.page-home .btn--ghost {
  background: transparent;
  color: var(--clr-text-primary, #FFFFFF);
  border: 2px solid var(--clr-text-secondary, #B0B0B0);
}

.page-home .btn--ghost:hover,
.page-home .btn--ghost:focus-visible {
  border-color: var(--clr-primary, #FF6B35);
  color: var(--clr-primary, #FF6B35);
  transform: translateY(-2px);
}

.page-home .btn--outline {
  display: inline-block;
  background: transparent;
  color: var(--clr-accent, #00B4D8);
  border: 2px solid var(--clr-accent, #00B4D8);
  padding: 0.6rem 1.8rem;
  font-size: 0.95rem;
  font-family: var(--font-body, "Roboto", sans-serif);
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.page-home .btn--outline:hover,
.page-home .btn--outline:focus-visible {
  background: var(--clr-accent, #00B4D8);
  color: var(--clr-secondary, #0A192F);
  transform: translateY(-2px);
}

.page-home .btn--link {
  display: inline-block;
  background: transparent;
  color: var(--clr-primary, #FF6B35);
  font-size: 0.95rem;
  font-family: var(--font-body, "Roboto", sans-serif);
  font-weight: 600;
  text-decoration: none;
  border: none;
  padding: 0;
  position: relative;
  transition: color 0.25s ease, transform 0.25s ease;
}

.page-home .btn--link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--clr-primary, #FF6B35);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.page-home .btn--link:hover,
.page-home .btn--link:focus-visible {
  color: var(--clr-primary-dark, #CC4C1A);
  transform: translateX(4px);
}

.page-home .btn--link:hover::after,
.page-home .btn--link:focus-visible::after {
  transform: scaleX(1);
}

/* ---------- 右侧火焰粒子 ---------- */
.page-home .hero-right {
  position: relative;
  width: 100%;
  min-height: 30vh;
  background: linear-gradient(180deg, #0A192F 0%, #0F0A2A 60%, #1A0A0A 100%);
  overflow: hidden;
}

.page-home .flame-container {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding-bottom: 10%;
}

.page-home .flame-particle {
  position: absolute;
  bottom: 5%;
  width: 8px;
  height: 8px;
  left: var(--x, 50%);
  border-radius: 50% 50% 50% 0;
  background: radial-gradient(circle, var(--flame-color-2), var(--flame-color-1), var(--flame-color-3));
  opacity: 0;
  animation: flameRise 2.4s ease-out infinite;
  animation-delay: var(--d, 0s);
  transform: scale(var(--s, 1));
  filter: blur(1px);
  box-shadow: 0 0 12px 4px rgba(255,107,53,0.4);
}

@keyframes flameRise {
  0%   { opacity: 0; transform: translateY(0) scale(var(--s,1)) rotate(0deg); }
  15%  { opacity: 0.9; }
  50%  { opacity: 0.7; transform: translateY(-120px) scale(calc(var(--s,1)*1.1)) rotate(20deg); }
  85%  { opacity: 0.3; transform: translateY(-240px) scale(calc(var(--s,1)*0.6)) rotate(-10deg); }
  100% { opacity: 0; transform: translateY(-300px) scale(0.2) rotate(10deg); }
}

/* ---------- 通用标题组件 ---------- */
.page-home .section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 0.6rem;
}

.page-home .label-line {
  display: block;
  width: 40px;
  height: 2px;
  background: var(--clr-primary, #FF6B35);
}

.page-home .label-text {
  font-family: var(--font-body, "Roboto", sans-serif);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-primary, #FF6B35);
  font-weight: 700;
}

.page-home .label-light .label-text {
  color: var(--clr-accent, #00B4D8);
}

.page-home .label-light .label-line {
  background: var(--clr-accent, #00B4D8);
}

.page-home .section-title {
  font-family: var(--font-heading, "Impact", sans-serif);
  font-size: 1.8rem;
  line-height: 1.2;
  text-align: center;
  color: var(--clr-text-primary, #FFFFFF);
  margin: 0 0 2rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* ---------- 三大产品网格 ---------- */
.page-home .products-grid {
  padding: var(--home-section-spacing) 1.5rem;
  background: var(--clr-neutral-dark, #1A1A2E);
  position: relative;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
  margin-top: -2px;
}

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

.page-home .product-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,107,53,0.15);
  border-radius: var(--card-radius);
  padding: 1.8rem 1.5rem;
  text-align: center;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.page-home .product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary, #FF6B35), var(--clr-accent, #00B4D8));
  opacity: 0;
  transition: opacity 0.35s ease;
}

.page-home .product-card:hover,
.page-home .product-card:focus-within {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(255,107,53,0.20);
  border-color: var(--clr-primary, #FF6B35);
}

.page-home .product-card:hover::before,
.page-home .product-card:focus-within::before {
  opacity: 1;
}

.page-home .product-icon-wrap {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--clr-primary, #FF6B35);
  margin-bottom: 1rem;
  transition: border-color 0.35s ease, transform 0.35s ease;
}

.page-home .product-card:hover .product-icon-wrap {
  border-color: var(--clr-accent, #00B4D8);
  transform: scale(1.08);
}

.page-home .product-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-home .product-name {
  font-family: var(--font-heading, "Impact", sans-serif);
  font-size: 1.4rem;
  color: var(--clr-text-primary, #FFFFFF);
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-home .product-desc {
  font-family: var(--font-body, "Roboto", sans-serif);
  font-size: 0.9rem;
  color: var(--clr-text-secondary, #B0B0B0);
  line-height: 1.6;
  margin: 0 0 1.2rem;
  max-width: 280px;
}

.page-home .btn--sm {
  padding: 0.5rem 1.4rem;
  font-size: 0.85rem;
  font-family: var(--font-body, "Roboto", sans-serif);
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-home .card-news {
  border-left: 3px solid var(--clr-primary, #FF6B35);
}

.page-home .card-live {
  border-left: 3px solid var(--clr-accent, #00B4D8);
}

.page-home .card-community {
  border-left: 3px solid var(--clr-accent2, #9B59B6);
}

/* ---------- 赛事日历 ---------- */
.page-home .calendar-section {
  padding: var(--home-section-spacing) 1.5rem;
  background: var(--clr-secondary, #0A192F);
  position: relative;
  overflow: hidden;
}

.page-home .calendar-bg-decor {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,53,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-home .calendar-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  align-items: center;
}

.page-home .calendar-visual {
  width: 100%;
  max-width: 400px;
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.page-home .calendar-img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 800/600;
  object-fit: cover;
}

.page-home .calendar-info {
  text-align: center;
  flex: 1;
}

.page-home .countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.page-home .countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.page-home .countdown-num {
  font-family: var(--font-heading, "Impact", sans-serif);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--clr-primary, #FF6B35);
  text-shadow: 0 0 18px rgba(255,107,53,0.3);
  display: block;
  animation: countPulse 1.8s ease-in-out infinite;
}

.page-home .countdown-label {
  font-family: var(--font-body, "Roboto", sans-serif);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-secondary, #B0B0B0);
  margin-top: 0.2rem;
}

.page-home .countdown-sep {
  font-family: var(--font-heading, "Impact", sans-serif);
  font-size: 2.2rem;
  color: var(--clr-accent, #00B4D8);
  line-height: 1;
  margin-top: -0.6rem;
}

@keyframes countPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.04); }
}

.page-home .calendar-hint {
  font-family: var(--font-body, "Roboto", sans-serif);
  font-size: 0.85rem;
  color: var(--clr-text-secondary, #B0B0B0);
  margin: 0 0 1.2rem;
}

/* ---------- 专家专栏 ---------- */
.page-home .experts-preview {
  padding: var(--home-section-spacing) 1.5rem;
  background: var(--clr-neutral-dark, #1A1A2E);
  position: relative;
  clip-path: polygon(0 2%, 100% 0, 100% 100%, 0 100%);
  margin-top: -2px;
}

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

.page-home .expert-card {
  background: rgba(10,25,47,0.6);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  display: flex;
  flex-direction: column;
}

.page-home .expert-card:hover,
.page-home .expert-card:focus-within {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 12px 40px rgba(0,180,216,0.15);
  border-color: var(--clr-accent, #00B4D8);
}

.page-home .expert-img-wrap {
  width: 100%;
  aspect-ratio: 600/400;
  overflow: hidden;
}

.page-home .expert-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.page-home .expert-card:hover .expert-img {
  transform: scale(1.06);
}

.page-home .expert-body {
  padding: 1.2rem 1.2rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.page-home .expert-tag {
  display: inline-block;
  font-family: var(--font-body, "Roboto", sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-primary, #FF6B35);
  background: rgba(255,107,53,0.12);
  padding: 0.2rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  align-self: flex-start;
}

.page-home .expert-title {
  font-family: var(--font-heading, "Impact", sans-serif);
  font-size: 1.15rem;
  color: var(--clr-text-primary, #FFFFFF);
  margin: 0 0 0.4rem;
  line-height: 1.25;
}

.page-home .expert-summary {
  font-family: var(--font-body, "Roboto", sans-serif);
  font-size: 0.85rem;
  color: var(--clr-text-secondary, #B0B0B0);
  line-height: 1.6;
  margin: 0 0 0.8rem;
  flex: 1;
}

.page-home .card-featured {
  border-left: 3px solid var(--clr-accent2, #9B59B6);
}

.page-home .card-featured .expert-tag {
  color: var(--clr-accent2, #9B59B6);
  background: rgba(155,89,182,0.15);
}

/* ---------- 桌面端 768px+ ---------- */
@media (min-width: 768px) {
  .page-home {
    --home-section-spacing: 5rem;
  }

  .page-home .hero-split {
    flex-direction: row;
  }

  .page-home .hero-left {
    width: 60%;
    min-height: var(--hero-min-height);
  }

  .page-home .hero-right {
    width: 40%;
    min-height: var(--hero-min-height);
  }

  .page-home .hero-content {
    text-align: left;
    padding: 3rem;
  }

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

  .page-home .hero-title {
    font-size: 4.5rem;
  }

  .page-home .hero-sub {
    font-size: 1.2rem;
  }

  .page-home .section-title {
    font-size: 2.4rem;
    margin-bottom: 2.5rem;
  }

  .page-home .grid-products {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-home .product-card {
    padding: 2.2rem 1.8rem;
  }

  .page-home .calendar-inner {
    flex-direction: row;
    text-align: left;
  }

  .page-home .calendar-visual {
    max-width: 440px;
    flex-shrink: 0;
  }

  .page-home .calendar-info {
    text-align: left;
  }

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

  .page-home .countdown-num {
    font-size: 3.2rem;
  }

  .page-home .experts-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-home .expert-card {
    flex-direction: column;
  }

  .page-home .expert-body {
    padding: 1.5rem;
  }
}

/* ---------- 桌面端 1024px+ ---------- */
@media (min-width: 1024px) {
  .page-home .hero-title {
    font-size: 5.5rem;
  }

  .page-home .hero-sub {
    font-size: 1.35rem;
  }

  .page-home .section-title {
    font-size: 2.8rem;
  }

  .page-home .grid-products {
    gap: 2rem;
  }

  .page-home .countdown-num {
    font-size: 4rem;
  }

  .page-home .countdown-sep {
    font-size: 2.8rem;
  }

  .page-home .countdown-item {
    min-width: 80px;
  }
}

/* ---------- 桌面端 1400px+ ---------- */
@media (min-width: 1400px) {
  .page-home .hero-title {
    font-size: 6.5rem;
  }

  .page-home .hero-left {
    padding-left: 4rem;
  }

  .page-home .hero-content {
    max-width: 700px;
  }
}

/* ---------- 辅助与安全 ---------- */
.page-home .btn:focus-visible {
  outline: 2px solid var(--clr-accent, #00B4D8);
  outline-offset: 3px;
}

.page-home .product-card:focus-within {
  outline: 2px solid var(--clr-accent, #00B4D8);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .flame-particle,
  .page-home .countdown-num,
  .page-home .product-card,
  .page-home .expert-card,
  .page-home .product-icon-wrap,
  .page-home .expert-img,
  .page-home .btn {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}

.page-home {
  --d: inherit;
  --s: inherit;
  --x: inherit;
}