.page-home {
  background: var(--bh-black);
  color: var(--bh-paper);
  overflow-x: clip;
}

.page-home .bh-section {
  position: relative;
}

.page-home :focus-visible {
  outline: 2px solid var(--bh-cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 118px 0 78px;
}

.page-home .hero__grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--bh-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--bh-line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .6;
  -webkit-mask-image: radial-gradient(130% 95% at 18% 26%, #000 0%, transparent 76%);
  mask-image: radial-gradient(130% 95% at 18% 26%, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-home .hero__glow {
  position: absolute;
  top: -12%;
  right: -18%;
  width: 72%;
  height: 128%;
  z-index: 0;
  background:
    radial-gradient(circle at 72% 38%, rgba(53, 230, 208, .18), transparent 62%),
    radial-gradient(circle at 30% 84%, rgba(255, 122, 47, .12), transparent 66%);
  pointer-events: none;
}

.page-home .hero__media {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-home .hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.32) brightness(.4) contrast(1.06);
  opacity: .62;
}

.page-home .hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, var(--bh-black) 26%, rgba(10, 15, 14, .45) 62%, var(--bh-black) 100%);
}

.page-home .hero__slash {
  position: absolute;
  top: 0;
  left: 52%;
  width: 1px;
  height: 100%;
  z-index: 1;
  background: linear-gradient(to bottom, transparent, rgba(53, 230, 208, .55) 42%, transparent);
  transform: rotate(15deg);
  transform-origin: top center;
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 140px;
  z-index: 2;
  background: linear-gradient(to bottom, transparent, var(--bh-black));
  pointer-events: none;
}

.page-home .hero__inner {
  position: relative;
  z-index: 3;
  width: min(100% - 40px, var(--bh-shell));
  margin-inline: auto;
  display: grid;
  gap: 44px;
}

.page-home .hero__crumb {
  margin-bottom: 18px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bh-muted);
}

.page-home .hero__title {
  margin: 14px 0 0;
  font-family: var(--bh-font-display);
  font-weight: 700;
  font-size: clamp(40px, 8.6vw, 82px);
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--bh-paper);
}

.page-home .hero__title-sub {
  display: block;
  margin-top: 8px;
  font-size: clamp(22px, 4vw, 38px);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--bh-cyan);
}

.page-home .hero__lede {
  margin-top: 22px;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--bh-muted);
}

.page-home .hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 数据面板 */

.page-home .hero__panel {
  position: relative;
  padding: 26px 22px 30px;
  background: linear-gradient(155deg, rgba(23, 64, 58, .94), rgba(10, 15, 14, .96));
  border: 1px solid rgba(53, 230, 208, .55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), calc(100% - 36px) 100%, 0 100%);
  box-shadow: 0 34px 90px -46px rgba(53, 230, 208, .55);
}

.page-home .hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(53, 230, 208, .11) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(53, 230, 208, .11) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: .85;
  pointer-events: none;
}

.page-home .panel__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  font-family: var(--bh-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bh-muted);
}

.page-home .panel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bh-cyan);
  box-shadow: 0 0 0 4px rgba(53, 230, 208, .16);
}

.page-home .panel__stats {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-home .panel__stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--bh-line);
}

.page-home .panel__stat:first-child {
  border-top: 0;
}

.page-home .panel__num {
  font-family: var(--bh-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 6.4vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .01em;
  color: var(--bh-cyan);
}

.page-home .panel__meta {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-home .panel__meta-title {
  font-family: var(--bh-font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--bh-paper);
}

.page-home .panel__meta-sub {
  font-size: 13px;
  line-height: 1.6;
  color: var(--bh-muted);
}

/* ---------- 通用标题 ---------- */

.page-home .entry__title,
.page-home .stories__title,
.page-home .mobile__title,
.page-home .steps__title,
.page-home .faq__title {
  margin: 12px 0 0;
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(27px, 4.6vw, 48px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--bh-paper);
}

.page-home .entry__intro,
.page-home .mobile__intro,
.page-home .stories__intro {
  margin-top: 16px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--bh-muted);
}

/* ---------- 01 筛选入口 ---------- */

.page-home .entry {
  overflow: hidden;
}

.page-home .entry::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bh-cyan) 22%, var(--bh-line) 70%, transparent);
  opacity: .5;
}

.page-home .entry__media {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  width: min(60%, 720px);
  margin: 0;
  opacity: .16;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(100deg, transparent, #000 62%);
  mask-image: linear-gradient(100deg, transparent, #000 62%);
}

.page-home .entry__media img {
  width: 100%;
  height: auto;
  filter: saturate(.25);
}

.page-home .entry__inner {
  position: relative;
  z-index: 1;
}

.page-home .entry__filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 32px;
}

.page-home .entry__filters-label {
  flex: 0 0 auto;
  font-family: var(--bh-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bh-muted);
}

.page-home .entry__chips {
  flex: 1 1 auto;
  display: flex;
  gap: 8px;
  max-width: 100%;
  margin: 0;
  padding: 4px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-home .entry__chips li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-home .entry__chip {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--bh-line);
  border-radius: 999px;
  background: rgba(15, 42, 36, .62);
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
  color: var(--bh-muted);
}

.page-home .entry__chip.is-active {
  border-color: var(--bh-cyan);
  background: var(--bh-cyan);
  color: var(--bh-black);
  font-weight: 600;
}

.page-home .entry__scenes {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-home .scene {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius);
  background: linear-gradient(160deg, rgba(23, 64, 58, .6), rgba(15, 42, 36, .88));
  transition: transform .32s var(--bh-ease), border-color .32s var(--bh-ease);
}

.page-home .scene:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 230, 208, .6);
}

.page-home .scene__tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-home .scene__title {
  margin: 0;
  font-family: var(--bh-font-display);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--bh-paper);
}

.page-home .scene__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bh-muted);
}

.page-home .entry__foot {
  margin: 30px 0 0;
}

.page-home .entry__foot .bh-btn {
  align-items: center;
}

/* ---------- 02 重点场次 ---------- */

.page-home .stories__head {
  display: grid;
  gap: 6px;
}

.page-home .stories__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 80%;
  gap: 16px;
  margin: 34px 0 0;
  padding: 0 0 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-home .story {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius);
  background: linear-gradient(165deg, rgba(23, 64, 58, .72), rgba(10, 15, 14, .92));
  overflow: hidden;
  scroll-snap-align: start;
  transition: transform .32s var(--bh-ease), border-color .32s var(--bh-ease);
}

.page-home .story:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 230, 208, .55);
}

.page-home .story__media {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.page-home .story__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.3) brightness(.72);
}

.page-home .story__body {
  display: grid;
  gap: 12px;
  padding: 18px 18px 24px;
}

.page-home .story__meta {
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bh-cyan);
}

.page-home .story__score {
  margin: 0;
  font-family: var(--bh-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--bh-paper);
}

.page-home .story__score span {
  margin: 0 8px;
  color: var(--bh-orange);
}

.page-home .story__metric {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--bh-muted);
}

.page-home .story__metric-name {
  letter-spacing: .1em;
}

.page-home .story__metric-track {
  display: block;
  height: 4px;
  border-radius: 999px;
  background: var(--bh-line);
  overflow: hidden;
}

.page-home .story__metric-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--bh-cyan), rgba(53, 230, 208, .45));
}

.page-home .story__metric-value {
  font-size: 12px;
  color: var(--bh-paper);
  white-space: nowrap;
}

.page-home .story--lead .story__metric--shot .story__metric-fill { width: 67%; }
.page-home .story--lead .story__metric--pos  .story__metric-fill { width: 61%; }
.page-home .story--b    .story__metric--shot .story__metric-fill { width: 44%; }
.page-home .story--b    .story__metric--pos  .story__metric-fill { width: 44%; }
.page-home .story--c    .story__metric--shot .story__metric-fill { width: 29%; }
.page-home .story--c    .story__metric--pos  .story__metric-fill { width: 38%; }

.page-home .stories__foot {
  margin: 28px 0 0;
}

/* ---------- 03 移动端赛程 ---------- */

.page-home .mobile__inner {
  display: grid;
  gap: 36px;
}

.page-home .mobile__points {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-home .mobile__points li {
  display: grid;
  gap: 5px;
  padding: 14px 0 14px 18px;
  border-left: 2px solid var(--bh-line);
}

.page-home .mobile__points li:first-child {
  border-left-color: var(--bh-cyan);
}

.page-home .mobile__points-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--bh-paper);
}

.page-home .mobile__points-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--bh-muted);
}

.page-home .mobile__cta {
  margin: 28px 0 0;
}

.page-home .mobile__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  overflow: hidden;
  background: var(--bh-ink);
}

.page-home .mobile__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(.35) brightness(.72);
}

.page-home .mobile__media .bh-media__caption {
  position: static;
  display: block;
  padding: 14px 18px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--bh-muted);
  background: var(--bh-ink);
  border-top: 1px solid var(--bh-line);
}

/* ---------- 04 三步上手 ---------- */

.page-home .steps__tabs {
  margin-top: 30px;
}

.page-home .steps__tabs .bh-tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 10px;
}

.page-home .steps__tabs .bh-tabs__tab {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--bh-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-home .steps__panel {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding: 28px 22px;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius);
  background: linear-gradient(150deg, rgba(23, 64, 58, .62), rgba(10, 15, 14, .9));
}

.page-home .steps__num {
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: clamp(44px, 9vw, 74px);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--bh-cyan);
}

.page-home .steps__panel-title {
  margin: 0;
  font-family: var(--bh-font-display);
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--bh-paper);
}

.page-home .steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bh-muted);
}

/* ---------- 05 常见问题与联系 ---------- */

.page-home .faq__inner {
  display: grid;
  gap: 40px;
}

.page-home .faq__list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--bh-line);
}

.page-home .faq__item {
  border-bottom: 1px solid var(--bh-line);
}

.page-home .faq__item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--bh-paper);
}

.page-home .faq__item summary::-webkit-details-marker {
  display: none;
}

.page-home .faq__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--bh-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--bh-cyan);
}

.page-home .faq__item[open] summary::after {
  content: "\2013";
}

.page-home .faq__no {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bh-muted);
  transition: color .25s var(--bh-ease);
}

.page-home .faq__item[open] .faq__no,
.page-home .faq__item[open] summary {
  color: var(--bh-cyan);
}

.page-home .faq__item p {
  margin: 0;
  padding: 0 4px 22px 40px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bh-muted);
}

.page-home .faq__contact {
  padding: 26px 22px 30px;
  border: 1px solid rgba(53, 230, 208, .35);
  background: linear-gradient(155deg, rgba(23, 64, 58, .88), rgba(10, 15, 14, .96));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-home .faq__contact-title {
  margin: 0;
  font-family: var(--bh-font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--bh-paper);
}

.page-home .faq__contact-note {
  margin: 12px 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bh-muted);
}

.page-home .faq__contact .bh-contact-item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--bh-line);
}

.page-home .faq__contact .bh-contact-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .faq__contact .bh-copy {
  justify-self: start;
  margin-top: 6px;
}

.page-home .faq__contact .bh-copy__status {
  font-size: 12px;
  color: var(--bh-cyan);
}

.page-home .faq__contact-link {
  margin: 22px 0 0;
}

.page-home .faq__contact-link a {
  color: var(--bh-cyan);
  font-size: 14px;
  letter-spacing: .04em;
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 208, .45);
  padding-bottom: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .hero__inner,
  .page-home .entry__inner,
  .page-home .stories .bh-shell,
  .page-home .mobile__inner,
  .page-home .steps .bh-shell,
  .page-home .faq__inner {
    width: min(100% - 56px, var(--bh-shell));
  }

  .page-home .stories__rail {
    grid-auto-columns: 46%;
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding: 152px 0 104px;
  }

  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: 56px;
  }

  .page-home .hero__panel {
    padding: 30px 28px 34px;
  }

  .page-home .entry__scenes {
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
  }

  .page-home .entry__scenes > .scene:nth-child(1) {
    grid-column: span 7;
  }

  .page-home .entry__scenes > .scene:nth-child(2) {
    grid-column: span 5;
  }

  .page-home .entry__scenes > .scene:nth-child(3) {
    grid-column: 4 / span 9;
  }

  .page-home .stories__head {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: end;
    gap: 40px;
  }

  .page-home .stories__intro {
    margin-top: 0;
  }

  .page-home .stories__rail {
    grid-auto-flow: row;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 18px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .mobile__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 64px;
  }

  .page-home .mobile__media {
    justify-self: end;
    max-width: 420px;
  }

  .page-home .steps__panel {
    grid-template-columns: 110px minmax(0, 1fr);
    grid-template-areas:
      "num title"
      "num text"
      "num link";
    column-gap: 30px;
    row-gap: 10px;
    align-items: start;
    padding: 40px 36px;
  }

  .page-home .steps__num {
    grid-area: num;
  }

  .page-home .steps__panel-title {
    grid-area: title;
  }

  .page-home .steps__text {
    grid-area: text;
  }

  .page-home .steps__panel .bh-btn {
    grid-area: link;
    justify-self: start;
    margin-top: 8px;
  }

  .page-home .faq__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: start;
    gap: 56px;
  }
}

@media (min-width: 1180px) {
  .page-home .stories__rail {
    grid-template-columns: 1.9fr 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    animation: none !important;
    transition: none !important;
  }

  .page-home .scene:hover,
  .page-home .story:hover {
    transform: none;
  }
}