.page-home {
  --ph-pad: 1.25rem;
  --ph-gap: 1rem;
  --ph-max: 1440px;
  display: block;
  background: var(--wt-carbon);
  color: var(--wt-mist);
  font-family: var(--wt-font-body);
}

.page-home .ph-divider {
  height: 1px;
  max-width: var(--ph-max);
  margin-inline: auto;
  background: linear-gradient(90deg, transparent, var(--wt-trackgray) 25%, var(--wt-trackgray) 75%, transparent);
}

/* ===== 面包屑 ===== */
.page-home .ph-crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: var(--ph-max);
  margin-inline: auto;
  padding: 0.5rem 0 1.5rem;
  font-family: var(--wt-font-data);
  font-size: 0.72rem;
  color: var(--wt-silver);
}
.page-home .ph-crumbs__icon {
  color: var(--wt-orange);
  font-size: 1rem;
}
.page-home .ph-crumbs__sep {
  color: var(--wt-trackgray);
}
.page-home .ph-crumbs__item[aria-current="page"] {
  color: var(--wt-concrete);
}

/* ===== 首屏 Hero ===== */
.page-home .ph-hero {
  position: relative;
  padding: 1.5rem var(--ph-pad) 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 78% 0%, rgba(0, 212, 255, 0.12), transparent 45%),
    radial-gradient(ellipse at 18% 96%, rgba(255, 77, 0, 0.14), transparent 52%),
    var(--wt-carbon);
}
.page-home .ph-hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: -12%;
  width: 42%;
  background: linear-gradient(160deg, rgba(255, 77, 0, 0.16), rgba(0, 212, 255, 0.04));
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-home .ph-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--wt-speed-line);
  opacity: 0.6;
  pointer-events: none;
}
.page-home .ph-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.5rem;
  max-width: var(--ph-max);
  margin-inline: auto;
}
.page-home .ph-hero__copy {
  min-width: 0;
}
.page-home .ph-hero__title {
  margin: 0.25rem 0 1rem;
  font-family: var(--wt-font-heading);
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 600;
  font-style: italic;
  line-height: 1.02;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--wt-mist);
}
.page-home .ph-hero__sub {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.62em;
  font-weight: 500;
  font-style: normal;
  text-transform: none;
  letter-spacing: 0.12em;
  color: var(--wt-orange);
}
.page-home .ph-hero__desc {
  max-width: 640px;
  margin: 0 0 1.25rem;
  font-size: clamp(0.9rem, 1.2vw, 1.02rem);
  line-height: 1.7;
  color: var(--wt-concrete);
}
.page-home .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.page-home .ph-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: 520px;
}
.page-home .ph-hero__stat {
  flex: 1 1 110px;
  max-width: 170px;
  padding: 0.6rem 0.5rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--wt-trackgray);
  border-left: 2px solid var(--wt-orange);
}
.page-home .ph-hero__stat strong {
  display: block;
  font-family: var(--wt-font-data);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--wt-mist);
}
.page-home .ph-hero__stat span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.72rem;
  color: var(--wt-silver);
}
.page-home .ph-hero__media {
  position: relative;
  z-index: 1;
  min-width: 0;
  margin: 0;
}
.page-home .ph-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 12px, 12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-home .ph-hero__ticker {
  position: relative;
  z-index: 1;
  margin-top: 1.5rem;
}

/* ===== 章节标题 ===== */
.page-home .ph-section-head {
  margin-bottom: 1.75rem;
  padding-left: 1rem;
  border-left: 3px solid var(--wt-orange);
}
.page-home .ph-section-head--blue {
  border-left-color: var(--wt-blue);
}
.page-home .ph-section-head .wt-kicker {
  margin-bottom: 0.25rem;
}
.page-home .ph-live__title,
.page-home .ph-standings__title,
.page-home .ph-history__title,
.page-home .ph-hub__title {
  margin: 0.25rem 0 0.5rem;
  font-family: var(--wt-font-heading);
  font-size: clamp(1.8rem, 3.4vw, 3rem);
  font-weight: 600;
  font-style: italic;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--wt-mist);
}
.page-home .ph-live__subtitle,
.page-home .ph-standings__subtitle,
.page-home .ph-hub__subtitle {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--wt-concrete);
}

/* ===== 二〇二四赛事榜单集 ===== */
.page-home .ph-live {
  max-width: var(--ph-max);
  margin-inline: auto;
  padding: 3rem var(--ph-pad) 2rem;
}
.page-home .ph-live__grid {
  display: grid;
  gap: 1.25rem;
}
.page-home .ph-live__grid > * {
  min-width: 0;
}
.page-home .ph-live__cards {
  display: grid;
  gap: 1rem;
}
.page-home .ph-live__card {
  padding: 1rem;
}
.page-home .ph-live__card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.page-home .ph-live__card-title {
  margin: 0;
  font-family: var(--wt-font-heading);
  font-size: 1.1rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--wt-mist);
}
.page-home .ph-live__refresh {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--wt-font-data);
  font-size: 0.72rem;
  color: var(--wt-blue);
}
.page-home .ph-live__refresh svg {
  animation: ph-spin 4s linear infinite;
}
.page-home .ph-table-caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 0.4rem;
  font-family: var(--wt-font-data);
  font-size: 0.72rem;
  color: var(--wt-silver);
}
.page-home .ph-live__table {
  margin: 0;
}
.page-home .ph-live__table table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--wt-font-data);
  font-size: 0.85rem;
}
.page-home .ph-live__table th {
  padding: 0.5rem 0.25rem;
  border-bottom: 1px solid var(--wt-trackgray);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--wt-orange);
}
.page-home .ph-live__table td {
  padding: 0.55rem 0.25rem;
  border-bottom: 1px solid rgba(58, 65, 70, 0.45);
  color: var(--wt-concrete);
}
.page-home .ph-live__table td:first-child {
  color: var(--wt-orange);
  font-weight: 600;
}
.page-home .ph-live__table tbody tr:hover td {
  background: rgba(0, 212, 255, 0.04);
}
.page-home .ph-live__card--metrics {
  position: relative;
  overflow: hidden;
}
.page-home .ph-live__card--metrics::after {
  content: "";
  position: absolute;
  top: -30px;
  right: -30px;
  width: 110px;
  height: 110px;
  background: rgba(255, 77, 0, 0.12);
  transform: rotate(45deg);
}
.page-home .ph-live__metrics-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.page-home .ph-live__metric-num {
  font-family: var(--wt-font-data);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--wt-orange);
}
.page-home .ph-live__metric-num small {
  font-size: 0.9rem;
  color: var(--wt-silver);
}
.page-home .ph-live__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0.75rem;
  padding: 0;
  list-style: none;
}
.page-home .ph-live__metrics li {
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--wt-trackgray);
  font-family: var(--wt-font-data);
  font-size: 0.78rem;
  color: var(--wt-concrete);
}
.page-home .ph-live__coverage {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--wt-silver);
}
.page-home .ph-live__media {
  min-width: 0;
  margin: 0;
}
.page-home .ph-live__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(0 14px, 14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}
.page-home .ph-live__media-caption,
.page-home .ph-standings__media-caption,
.page-home .ph-history__media-caption {
  margin-top: 0.5rem;
  font-family: var(--wt-font-data);
  font-size: 0.75rem;
  color: var(--wt-silver);
}
.page-home .ph-live__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ===== 赛车世界会员积分榜 ===== */
.page-home .ph-standings {
  max-width: var(--ph-max);
  margin-inline: auto;
  padding: 3rem var(--ph-pad) 2rem;
}
.page-home .ph-standings__layout {
  display: grid;
  gap: 1.5rem;
}
.page-home .ph-standings__layout > * {
  min-width: 0;
}
.page-home .ph-standings__panel {
  position: relative;
  padding: 1rem;
  overflow: hidden;
  background: rgba(30, 35, 39, 0.5);
  border: 1px solid var(--wt-trackgray);
}
.page-home .ph-standings__panel::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--wt-blue), transparent);
}
.page-home .ph-standings__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.page-home .ph-standings__pane {
  display: grid;
  gap: 0.65rem;
}
.page-home .ph-standings__pane + .ph-standings__pane {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--wt-trackgray);
}
.page-home .ph-driver {
  display: grid;
  grid-template-columns: 28px 52px minmax(0, 1fr) 70px;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(58, 65, 70, 0.35);
}
.page-home .ph-driver__pos {
  font-family: var(--wt-font-data);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--wt-orange);
}
.page-home .ph-driver__code {
  font-family: var(--wt-font-data);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--wt-mist);
}
.page-home .ph-driver__track {
  height: 6px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.06);
}
.page-home .ph-driver__fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--wt-blue), rgba(0, 212, 255, 0.3));
}
.page-home .ph-driver__pts {
  text-align: right;
  font-family: var(--wt-font-data);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--wt-mist);
}
.page-home .ph-driver__pts small {
  margin-left: 2px;
  font-size: 0.65rem;
  color: var(--wt-silver);
}
.page-home .ph-standings__hint {
  margin: 1rem 0 0.75rem;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--wt-silver);
}
.page-home .ph-standings__media {
  min-width: 0;
  margin: 0;
}
.page-home .ph-standings__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 14px, 14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

/* ===== 第一次访问赛事观点 ===== */
.page-home .ph-history {
  position: relative;
  padding: 2.5rem var(--ph-pad);
  overflow: hidden;
  background:
    linear-gradient(115deg, var(--wt-graphite) 0 60%, rgba(0, 212, 255, 0.06) 60%, rgba(0, 212, 255, 0.1) 100%),
    var(--wt-speed-line),
    var(--wt-graphite);
}
.page-home .ph-history::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 1px;
  background: transparent;
}
.page-home .ph-history__bg {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  background: repeating-linear-gradient(180deg, var(--wt-blue) 0 8px, transparent 8px 18px);
}
.page-home .ph-history__inner {
  position: relative;
  display: grid;
  gap: 2rem;
  max-width: var(--ph-max);
  margin-inline: auto;
}
.page-home .ph-history__inner > * {
  min-width: 0;
}
.page-home .ph-history__copy {
  max-width: 560px;
}
.page-home .ph-history__lead {
  margin: 1rem 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--wt-mist);
}
.page-home .ph-history__desc {
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--wt-concrete);
}
.page-home .ph-history__timeline-wrap {
  position: relative;
  padding: 1rem 1rem 1rem 2rem;
  background: rgba(22, 26, 29, 0.72);
  border: 1px solid var(--wt-trackgray);
}
.page-home .ph-history__team {
  margin-bottom: 1rem;
  font-family: var(--wt-font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wt-blue);
}
.page-home .ph-history__timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .ph-history__timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--wt-blue), var(--wt-orange));
}
.page-home .ph-history__item {
  position: relative;
  padding: 0 0 1rem 1.5rem;
}
.page-home .ph-history__item:last-child {
  padding-bottom: 0;
}
.page-home .ph-history__dot {
  position: absolute;
  top: 4px;
  left: 0;
  width: 13px;
  height: 13px;
  background: var(--wt-graphite);
  border: 2px solid var(--wt-blue);
  transform: rotate(45deg);
}
.page-home .ph-history__item--current .ph-history__dot {
  background: var(--wt-orange);
  border-color: var(--wt-orange);
}
.page-home .ph-history__meta {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.page-home .ph-history__meta strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--wt-mist);
}
.page-home .ph-history__round {
  font-family: var(--wt-font-data);
  font-size: 0.75rem;
  color: var(--wt-silver);
}
.page-home .ph-history__note {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  color: var(--wt-concrete);
}
.page-home .ph-history__media {
  max-width: 1000px;
  margin: 1.5rem auto 0;
}
.page-home .ph-history__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  clip-path: polygon(0 16px, 16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

/* ===== 热门赛事与内容中心 ===== */
.page-home .ph-hub {
  max-width: var(--ph-max);
  margin-inline: auto;
  padding: 3rem var(--ph-pad) 4rem;
}
.page-home .ph-hub__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.page-home .ph-hub__grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
  grid-template-columns: 1fr;
}
.page-home .ph-hub__grid[data-tab-panel="openwheel"] {
  grid-template-columns: minmax(0, 1fr);
}
.page-home .ph-hub__card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1rem;
}
.page-home .ph-hub__card h3 {
  margin: 0;
  font-family: var(--wt-font-heading);
  font-size: 1.15rem;
  text-transform: uppercase;
  color: var(--wt-mist);
}
.page-home .ph-hub__card p {
  flex: 1;
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--wt-concrete);
}
.page-home .ph-hub__tag {
  align-self: flex-start;
}
.page-home .ph-hub__link {
  font-family: var(--wt-font-data);
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--wt-blue);
  transition: color var(--wt-transition);
}
.page-home .ph-hub__link:hover {
  color: var(--wt-mist);
}
.page-home .ph-hub__cap {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1.25rem;
}
.page-home .ph-hub__cap-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-home .ph-hub__stat {
  flex: 1 1 90px;
  padding: 0.35rem 0;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.page-home .ph-hub__stat:last-child {
  border-right: 0;
}
.page-home .ph-hub__stat strong {
  display: block;
  font-family: var(--wt-font-data);
  font-size: 1.3rem;
  line-height: 1.1;
  color: var(--wt-orange);
}
.page-home .ph-hub__stat span {
  font-size: 0.7rem;
  color: var(--wt-silver);
}
.page-home .ph-hub__cap-copy h3 {
  margin: 0 0 0.5rem;
  font-family: var(--wt-font-heading);
  font-size: 1.2rem;
  text-transform: uppercase;
  color: var(--wt-mist);
}
.page-home .ph-hub__cap-copy p {
  margin-bottom: 0.75rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--wt-concrete);
}
.page-home .ph-hub__trust {
  margin-top: 0.75rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--wt-red);
  font-size: 0.78rem;
  color: var(--wt-silver);
}
.page-home .ph-hub__support {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--wt-trackgray);
}
.page-home .ph-hub__support-link {
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--wt-silver);
  transition: color var(--wt-transition);
}
.page-home .ph-hub__support-link:hover {
  color: var(--wt-blue);
}

/* ===== 动画 ===== */
@keyframes ph-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== 平板 ===== */
@media (min-width: 720px) {
  .page-home {
    --ph-pad: 2rem;
  }
  .page-home .ph-hub__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .ph-hero__stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: none;
  }
  .page-home .ph-hero__stat {
    max-width: none;
  }
  .page-home .ph-hub__cap-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .ph-hub__stat {
    border-right: 1px solid rgba(255, 255, 255, 0.08);
  }
}

/* ===== 桌面 ===== */
@media (min-width: 960px) {
  .page-home {
    --ph-pad: 2.5rem;
  }
  .page-home .ph-hero {
    padding-top: 2rem;
  }
  .page-home .ph-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 3rem;
  }
  .page-home .ph-hero__media {
    order: 2;
  }
  .page-home .ph-hero__img {
    aspect-ratio: 16 / 10;
    min-height: 480px;
    clip-path: polygon(8% 0, 100% 0, 100% 88%, 92% 100%, 0 100%, 0 12%);
  }
  .page-home .ph-hero__ticker {
    margin-top: 2.5rem;
  }
  .page-home .ph-live__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    align-items: start;
  }
  .page-home .ph-standings__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.55fr);
    align-items: start;
  }
  .page-home .ph-history__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }
  .page-home .ph-hub__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .ph-hub__grid[data-tab-panel] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .ph-hub__grid[data-tab-panel="all"] {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .ph-hub__grid[data-tab-panel="endurance"],
  .page-home .ph-hub__grid[data-tab-panel="openwheel"] {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ===== 视差速度线 ===== */
@media (min-width: 1024px) {
  .page-home .ph-history {
    background-attachment: fixed;
  }
}