/* =============================================
   page-home 首页专属样式
   作用域：.page-home
   移动端优先 + 桌面增强
   ============================================= */
.page-home {
  --hero-min-height: 90vh;
  --card-flip-speed: 0.5s;
  --grid-line-color: rgba(0, 191, 255, 0.18);
  --label-font: var(--font-heading);
  --stat-font: var(--font-accent);
}

/* ---------- 首屏封面 ---------- */
.page-home .hero-cover {
  position: relative;
  min-height: var(--hero-min-height);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-deep-blue);
  margin: calc(-1 * var(--header-height)) 0 0 0;
  padding-top: var(--header-height);
}

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

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

.page-home .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 51, 102, 0.82) 0%, rgba(0, 0, 0, 0.55) 100%);
  z-index: 1;
}

/* 技术蓝图网格线 */
.page-home .hero-grid-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.page-home .grid-line {
  position: absolute;
  display: block;
  background: var(--grid-line-color);
}

.page-home .grid-line--v1 {
  left: 15%;
  top: 0;
  bottom: 0;
  width: 1px;
}

.page-home .grid-line--v2 {
  left: 75%;
  top: 0;
  bottom: 0;
  width: 1px;
}

.page-home .grid-line--h1 {
  top: 30%;
  left: 0;
  right: 0;
  height: 1px;
}

.page-home .grid-line--h2 {
  top: 70%;
  left: 0;
  right: 0;
  height: 1px;
}

/* 首屏内容 */
.page-home .hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  padding: var(--space-2xl) var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-home .hero-context {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.page-home .hero-breadcrumb {
  text-transform: uppercase;
}

.page-home .hero-sep {
  opacity: 0.4;
}

.page-home .hero-title {
  margin: 0 0 var(--space-lg) 0;
  font-family: var(--font-heading);
  line-height: 1.05;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-md);
}

.page-home .hero-title-main {
  font-size: clamp(40px, 10vw, 96px);
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.page-home .hero-title-symbol {
  font-size: clamp(28px, 6vw, 56px);
  color: var(--color-gold);
  font-weight: 300;
}

.page-home .hero-title-sub {
  font-size: clamp(32px, 7vw, 72px);
  color: var(--color-gold);
  letter-spacing: 0.04em;
}

.page-home .hero-abstract {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.2vw, 20px);
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: var(--space-2xl);
  border-left: var(--border-thick) solid var(--color-gold);
  padding-left: var(--space-lg);
}

/* 杂志索引 */
.page-home .hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-2xl);
}

.page-home .hero-index-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-body);
  transition: color var(--transition-base), transform var(--transition-base);
  border-bottom: 2px solid transparent;
  padding-bottom: var(--space-xs);
}

.page-home .hero-index-item:hover,
.page-home .hero-index-item:focus-visible {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
  transform: translateY(-2px);
}

.page-home .hero-index-num {
  font-family: var(--font-accent);
  font-size: 24px;
  color: var(--color-electric-blue);
  font-weight: 700;
  line-height: 1;
}

.page-home .hero-index-label {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* 滚动提示 */
.page-home .hero-scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-home .scroll-hint-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.6);
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

/* ---------- 通用章节组件 ---------- */
.page-home .section {
  padding: var(--space-3xl) 0;
}

.page-home .section--wide {
  background: var(--color-white);
}

.page-home .section--narrow {
  background: var(--color-light-gray);
  border-top: var(--border-thin) solid var(--color-border);
  border-bottom: var(--border-thin) solid var(--color-border);
}

.page-home .section-label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-family: var(--label-font);
}

.page-home .label-num {
  font-family: var(--font-accent);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-electric-blue);
  line-height: 1;
}

.page-home .label-dash {
  flex: 0 0 40px;
  height: var(--border-thick);
  background: var(--color-gold);
}

.page-home .label-text {
  font-size: 20px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-deep-blue);
  font-weight: 700;
}

.page-home .section-heading {
  font-family: var(--font-heading);
  font-size: clamp(28px, 5vw, 48px);
  color: var(--color-dark);
  line-height: 1.1;
  margin: 0 0 var(--space-md) 0;
  letter-spacing: -0.01em;
}

.page-home .section-desc {
  font-family: var(--font-body);
  font-size: 18px;
  color: #555;
  line-height: 1.6;
  max-width: 680px;
  margin: 0 0 var(--space-2xl) 0;
}

.page-home .btn-arrow {
  display: inline-block;
  margin-left: var(--space-sm);
  transition: transform var(--transition-fast);
}

.page-home .btn:hover .btn-arrow,
.page-home .btn:focus-visible .btn-arrow {
  transform: translateX(4px);
}

/* ---------- 赛事网格 ---------- */
.page-home .events-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.page-home .event-card {
  perspective: 1000px;
  height: 360px;
}

.page-home .event-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform var(--card-flip-speed) ease;
  transform-style: preserve-3d;
}

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

.page-home .event-card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.page-home .event-card-face--front {
  background: var(--color-white);
  border: var(--border-medium) solid var(--color-deep-blue);
  box-shadow: var(--shadow-strong);
  z-index: 2;
}

.page-home .event-card-face--back {
  background: var(--color-deep-blue);
  color: var(--color-white);
  transform: rotateY(180deg);
  border: var(--border-medium) solid var(--color-gold);
  box-shadow: var(--shadow-gold);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-home .event-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border-thin) solid var(--color-border);
}

.page-home .event-card-round {
  font-family: var(--font-accent);
  font-size: 14px;
  color: var(--color-dark);
  font-weight: 600;
}

.page-home .event-card-body {
  flex: 1;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-md);
}

.page-home .event-card-teams {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.page-home .event-card-team {
  font-family: var(--font-heading);
  font-size: clamp(18px, 3vw, 26px);
  color: var(--color-deep-blue);
  letter-spacing: -0.01em;
}

.page-home .event-card-team--home {
  color: var(--color-deep-blue);
}

.page-home .event-card-team--away {
  color: var(--color-red);
}

.page-home .event-card-vs {
  font-family: var(--font-accent);
  font-size: 20px;
  color: var(--color-gold);
  font-weight: 700;
}

.page-home .event-card-time {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  font-family: var(--font-body);
  font-size: 14px;
  color: #888;
}

.page-home .event-card-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  padding-top: var(--space-md);
  border-top: var(--border-thin) solid var(--color-border);
}

.page-home .event-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.page-home .event-stat-label {
  font-size: 12px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-home .event-stat-value {
  font-family: var(--stat-font);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
}

.page-home .event-card-footer {
  padding: var(--space-sm) var(--space-lg);
  border-top: var(--border-thin) solid var(--color-border);
  text-align: center;
}

.page-home .event-card-hint {
  font-size: 12px;
  color: #bbb;
  font-style: italic;
}

/* 背面样式 */
.page-home .event-card-back-header {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
  text-align: center;
  letter-spacing: 0.04em;
}

.page-home .event-card-back-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-home .event-card-back-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
  font-size: 15px;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-home .back-label {
  opacity: 0.7;
}

.page-home .back-value {
  font-family: var(--stat-font);
  font-weight: 700;
  color: var(--color-gold-light);
  font-size: 18px;
}

.page-home .event-card-back-footer {
  margin-top: auto;
  text-align: center;
  padding-top: var(--space-md);
}

.page-home .events-cta {
  text-align: center;
  margin-top: var(--space-xl);
}

.page-home .section-img-group {
  max-width: 800px;
  margin: var(--space-xl) auto 0;
  padding: 0 var(--space-lg);
}

.page-home .section-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border: var(--border-medium) solid var(--color-deep-blue);
  box-shadow: var(--shadow-medium);
}

/* ---------- 登录步骤 ---------- */
.page-home .login-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  counter-reset: step-counter;
}

.page-home .login-step {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-sm);
  border: var(--border-thin) solid var(--color-border);
  box-shadow: var(--shadow-light);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.page-home .login-step:hover {
  box-shadow: var(--shadow-medium);
  transform: translateX(4px);
}

.page-home .step-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-deep-blue);
  color: var(--color-white);
  font-family: var(--font-accent);
  font-size: 24px;
  font-weight: 700;
  border-radius: 50%;
  box-shadow: var(--shadow-strong);
  border: 2px solid var(--color-gold);
}

.page-home .step-content {
  flex: 1;
  min-width: 0;
}

.page-home .step-title {
  font-family: var(--font-heading);
  font-size: 20px;
  margin: 0 0 var(--space-xs) 0;
  color: var(--color-deep-blue);
}

.page-home .step-text {
  font-family: var(--font-body);
  font-size: 16px;
  color: #555;
  line-height: 1.5;
  margin: 0;
}

.page-home .login-device-img {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.page-home .device-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border: var(--border-medium) solid var(--color-deep-blue);
  box-shadow: var(--shadow-medium);
}

.page-home .login-extra {
  text-align: center;
  padding-top: var(--space-md);
}

.page-home .login-extra-text {
  font-family: var(--font-body);
  font-size: 16px;
  color: #666;
}

.page-home .link-underline {
  color: var(--color-deep-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--color-gold);
  transition: color var(--transition-fast);
}

.page-home .link-underline:hover,
.page-home .link-underline:focus-visible {
  color: var(--color-gold);
}

/* ---------- 数据对比模块 ---------- */
.page-home .compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  align-items: center;
}

.page-home .compare-card {
  background: var(--color-white);
  border: var(--border-medium) solid var(--color-deep-blue);
  box-shadow: var(--shadow-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.page-home .compare-card:hover {
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.page-home .compare-card--home {
  border-color: var(--color-gold);
}

.page-home .compare-card--away {
  border-color: var(--color-red);
}

.page-home .compare-card-header {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-deep-blue);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-home .compare-card--home .compare-card-header {
  background: linear-gradient(135deg, var(--color-deep-blue), #002244);
}

.page-home .compare-card--away .compare-card-header {
  background: linear-gradient(135deg, #8B0000, var(--color-red));
}

.page-home .compare-card-title {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-white);
  margin: 0;
  letter-spacing: 0.02em;
}

.page-home .compare-card-tag {
  font-size: 12px;
}

.page-home .compare-card-body {
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.page-home .compare-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-sm);
  border-bottom: var(--border-thin) solid var(--color-border);
}

.page-home .compare-stat-label {
  font-size: 13px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-home .compare-stat-value {
  font-family: var(--stat-font);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.1;
}

.page-home .compare-card--home .compare-stat-value {
  color: var(--color-deep-blue);
}

.page-home .compare-card--away .compare-stat-value {
  color: var(--color-red);
}

.page-home .compare-divider {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-sm) 0;
}

.page-home .divider-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 22px;
  border-radius: 50%;
  box-shadow: var(--shadow-strong);
  border: 3px solid var(--color-white);
  outline: 2px solid var(--color-gold);
}

.page-home .compare-chart {
  max-width: 900px;
  margin: 0 auto var(--space-xl);
}

.page-home .chart-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border: var(--border-medium) solid var(--color-deep-blue);
  box-shadow: var(--shadow-strong);
}

.page-home .compare-note {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-light-gray);
  border-left: var(--border-thick) solid var(--color-gold);
}

.page-home .compare-note-text {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--color-dark);
  line-height: 1.6;
  margin: 0 0 var(--space-md) 0;
}

/* ---------- 积分节奏流程 ---------- */
.page-home .guide-flow {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  max-width: 520px;
}

.page-home .guide-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: var(--border-thin) solid var(--color-border);
  box-shadow: var(--shadow-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.page-home .guide-item:hover {
  box-shadow: var(--shadow-medium);
  transform: translateX(6px);
}

.page-home .guide-item--result {
  background: var(--color-deep-blue);
  border-color: var(--color-gold);
  border-width: var(--border-medium);
}

.page-home .guide-item-day {
  font-family: var(--font-accent);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-deep-blue);
  min-width: 56px;
}

.page-home .guide-item--result .guide-item-day {
  color: var(--color-gold);
}

.page-home .guide-item-arrow {
  font-size: 20px;
  color: var(--color-gold);
  font-weight: 700;
}

.page-home .guide-item--result .guide-item-arrow {
  color: var(--color-white);
}

.page-home .guide-item-action {
  font-size: 16px;
  color: var(--color-dark);
  font-weight: 500;
}

.page-home .guide-item--result .guide-item-action {
  color: var(--color-white);
  font-weight: 700;
}

.page-home .guide-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
  padding-top: var(--space-lg);
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 768px) {
  .page-home .hero-cover {
    --hero-min-height: 92vh;
  }

  .page-home .hero-content {
    padding: var(--space-4xl) var(--space-xl);
  }

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

  .page-home .event-card--featured {
    grid-column: 1 / -1;
    max-width: 600px;
    justify-self: center;
  }

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

  .page-home .compare-grid {
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-xl);
  }

  .page-home .compare-divider {
    padding: 0;
  }

  .page-home .compare-card-body {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .guide-flow {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 1024px) {
  .page-home .section {
    padding: var(--space-4xl) 0;
  }

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

  .page-home .event-card--featured {
    grid-column: auto;
    max-width: none;
    justify-self: auto;
  }

  .page-home .event-card {
    height: 400px;
  }

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

  .page-home .compare-card-body {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .hero-title-main {
    font-size: 96px;
  }

  .page-home .hero-title-sub {
    font-size: 72px;
  }
}

/* ---------- 小屏安全 ---------- */
@media (max-width: 480px) {
  .page-home .hero-abstract {
    border-left-width: 3px;
    padding-left: var(--space-md);
  }

  .page-home .hero-index {
    gap: var(--space-md);
  }

  .page-home .hero-index-num {
    font-size: 18px;
  }

  .page-home .hero-index-label {
    font-size: 13px;
  }

  .page-home .event-card-stats {
    gap: var(--space-lg);
  }

  .page-home .compare-card-body {
    grid-template-columns: 1fr;
  }

  .page-home .login-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .page-home .guide-cta {
    flex-direction: column;
    align-items: center;
  }
}