.page-home {
  --home-line: rgba(242, 193, 78, .28);
  --home-line-soft: rgba(242, 193, 78, .16);
  --home-paper-soft: rgba(255, 253, 249, .76);
  --home-paper-dim: rgba(255, 253, 249, .58);
}

.page-home .rb-section-title {
  margin: 12px 0 0;
}

/* ---------- 首屏海报 ---------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--rb-black);
  color: var(--rb-paper);
  padding-bottom: 64px;
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-home .home-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
}

.page-home .home-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 78% at 82% 16%, rgba(224, 27, 36, .38), transparent 62%),
    linear-gradient(180deg, rgba(11, 13, 16, .58) 0%, rgba(11, 13, 16, .86) 62%, var(--rb-black) 100%);
}

.page-home .home-hero__inner {
  position: relative;
  padding-top: calc(var(--rb-header-h) + 30px);
}

.page-home .home-hero__top {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

.page-home .home-hero__title {
  margin: 14px 0 0;
  font-size: clamp(40px, 8.6vw, 104px);
  line-height: .96;
  font-weight: 900;
  letter-spacing: -.02em;
}

.page-home .home-hero__title-em {
  display: block;
  margin-top: .08em;
  background: linear-gradient(92deg, var(--rb-red) 0%, var(--rb-gold) 94%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .home-hero__sub {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--home-paper-soft);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .home-hero__panel {
  position: relative;
  padding: 22px 22px 24px;
  background: rgba(23, 26, 32, .78);
  border: 1px solid var(--home-line);
  box-shadow: 6px 6px 0 rgba(242, 193, 78, .14);
}

.page-home .home-hero__panel-title {
  margin: 0 0 18px;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--rb-gold);
}

.page-home .home-hero__ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.page-home .home-hero__tick-num {
  display: block;
  font-family: var(--rb-font-mono);
  font-size: clamp(24px, 6vw, 38px);
  line-height: 1;
  color: var(--rb-paper);
  letter-spacing: -.01em;
}

.page-home .home-hero__tick-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--rb-gray);
}

/* ---------- 三步引导 ---------- */

.page-home .home-steps {
  margin-top: 48px;
  border-top: 1px solid var(--home-line);
}

.page-home .home-steps__list {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .home-steps__list::-webkit-scrollbar {
  display: none;
}

.page-home .home-steps__tab {
  flex: 1 0 auto;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 18px 14px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--home-paper-dim);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: color 180ms var(--rb-ease), border-color 180ms var(--rb-ease), background 180ms var(--rb-ease);
}

.page-home .home-steps__tab[aria-selected="true"] {
  color: var(--rb-paper);
  border-bottom-color: var(--rb-red);
  background: rgba(224, 27, 36, .1);
}

.page-home .home-steps__num {
  font-family: var(--rb-font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--rb-gold);
}

.page-home .home-steps__panels {
  padding-top: 20px;
}

.page-home .home-steps__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--home-paper-soft);
}

/* ---------- 版本状态 ---------- */

.page-home .home-status__intro .rb-section-note {
  display: block;
  margin: 18px 0 26px;
  max-width: 46ch;
  line-height: 1.85;
}

.page-home .home-status__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-status__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--home-line);
}

.page-home .home-status__item:last-child {
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-status__idx {
  font-family: var(--rb-font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--rb-gold);
  padding-top: 6px;
}

.page-home .home-status__body h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--rb-paper);
}

.page-home .home-status__body p {
  margin: 10px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--home-paper-dim);
}

/* ---------- 分区横向轨道 ---------- */

.page-home .home-lanes__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
}

.page-home .home-lanes__hint {
  margin: 0;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rb-gray);
}

.page-home .home-lanes__track {
  list-style: none;
  margin: 30px 0 0;
  padding: 6px max(20px, calc((100vw - var(--rb-container)) / 2)) 30px;
  display: flex;
  gap: 20px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-padding-left: max(20px, calc((100vw - var(--rb-container)) / 2));
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .home-lane {
  display: flex;
  flex-direction: column;
  scroll-snap-align: start;
  flex: 0 0 262px;
  padding: 0 0 18px;
  overflow: hidden;
  background: var(--rb-paper);
  border: 1px solid var(--rb-line-ink);
  color: var(--rb-ink);
  text-decoration: none;
  box-shadow: 5px 5px 0 0 var(--rb-paper-2);
  transition: transform 180ms var(--rb-ease), box-shadow 180ms var(--rb-ease), border-color 180ms var(--rb-ease);
}

.page-home .home-lane:hover,
.page-home .home-lane:focus-visible {
  border-color: var(--rb-bronze);
  transform: translateY(-4px);
  box-shadow: 5px 5px 0 0 var(--rb-gold);
}

.page-home .home-lane__media {
  display: block;
  margin: 0 0 14px;
  border-radius: 0;
}

.page-home .home-lane__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .home-lane__tag {
  align-self: flex-start;
  margin: 0 18px 10px;
}

.page-home .home-lane__title {
  display: block;
  margin: 0 18px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--rb-ink);
}

.page-home .home-lane__text {
  display: block;
  margin: 10px 18px 0;
  font-size: 15px;
  line-height: 1.75;
  color: #4A4F58;
}

.page-home .home-lane__go {
  display: block;
  margin: 14px 18px 0;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--rb-red);
}

/* ---------- 设备与使用方式 ---------- */

.page-home .home-devices__grid {
  display: grid;
  gap: 38px;
}

.page-home .home-devices__body .rb-prose {
  margin: 18px 0 26px;
  max-width: 56ch;
}

.page-home .home-devices__tabs .rb-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--rb-line-ink);
}

.page-home .home-devices__tabs .rb-tabs__tab {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 0;
  color: var(--rb-gray);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: color 180ms var(--rb-ease), background 180ms var(--rb-ease);
}

.page-home .home-devices__tabs .rb-tabs__tab[aria-selected="true"] {
  background: var(--rb-paper);
  border-color: var(--rb-line-ink);
  color: var(--rb-red);
  box-shadow: inset 0 2px 0 var(--rb-red);
}

.page-home .home-devices__tabs .rb-tabs__panel {
  margin-top: -1px;
  padding: 22px 22px 24px;
  background: var(--rb-paper);
  border: 1px solid var(--rb-line-ink);
  border-top: 2px solid var(--rb-red);
}

.page-home .home-devices__tabs .rb-tabs__panel h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--rb-ink);
}

.page-home .home-devices__tabs .rb-tabs__panel p {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: #42474F;
}

.page-home .home-devices__figure {
  margin: 0;
}

.page-home .home-devices__media {
  display: block;
  border: 1px solid var(--rb-line-ink);
}

.page-home .home-devices__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .home-devices__figure .rb-media__caption {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rb-gray);
}

/* ---------- 更新节奏 ---------- */

.page-home .home-rhythm__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.page-home .home-rhythm__note {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-paper-dim);
}

.page-home .home-rhythm__list {
  list-style: none;
  margin: 34px 0 32px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--home-line);
}

.page-home .home-rhythm__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .home-rhythm__item:last-child {
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-rhythm__stamp {
  display: block;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--rb-gold);
}

.page-home .home-rhythm__item h3 {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--rb-paper);
}

.page-home .home-rhythm__item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-paper-dim);
}

/* ---------- 本地化服务 ---------- */

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

.page-home .home-local__lead .rb-prose {
  margin: 18px 0 0;
  max-width: 58ch;
}

.page-home .home-local__lead .rb-btn {
  margin-top: 26px;
}

.page-home .home-local__contact {
  padding: 26px 24px 24px;
  background: var(--rb-paper);
  border: 1px solid var(--rb-line-ink);
  box-shadow: 6px 6px 0 var(--rb-paper-2);
}

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

.page-home .home-local__list > div {
  padding: 13px 0;
  border-bottom: 1px dashed var(--rb-line-ink);
}

.page-home .home-local__list > div:first-child {
  padding-top: 0;
}

.page-home .home-local__list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .home-local__list dt {
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rb-gray);
  margin-bottom: 6px;
}

.page-home .home-local__list dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--rb-ink);
  word-break: break-word;
}

.page-home .home-tail-line {
  height: 4px;
  background: linear-gradient(90deg, var(--rb-red) 0%, var(--rb-red-deep) 62%, var(--rb-gold) 100%);
}

/* ---------- 响应式 ---------- */

@media (max-width: 480px) {
  .page-home .home-hero__ticks {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .page-home .home-hero__tick-num {
    display: inline-block;
    margin-right: 10px;
  }

  .page-home .home-hero__tick-label {
    display: inline;
    margin-top: 0;
  }

  .page-home .home-lane {
    flex: 0 0 232px;
  }

  .page-home .home-steps__tab {
    padding: 14px 12px 12px;
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding-bottom: 84px;
  }

  .page-home .home-hero__top {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 48px;
  }

  .page-home .home-hero__panel {
    margin-bottom: 8px;
  }

  .page-home .home-status__grid {
    align-items: start;
  }

  .page-home .home-lanes__track {
    gap: 24px;
    padding-bottom: 36px;
  }

  .page-home .home-lane {
    flex: 0 0 292px;
  }

  .page-home .home-devices__grid {
    grid-template-columns: 6fr 5fr;
    align-items: start;
    gap: 48px;
  }

  .page-home .home-rhythm__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-home .home-rhythm__item {
    padding: 24px 20px;
    border-bottom: 0;
    border-left: 1px solid var(--home-line-soft);
  }

  .page-home .home-rhythm__item:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-home .home-rhythm__item:last-child {
    border-bottom: 0;
    padding-right: 0;
  }

  .page-home .home-local__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 52px;
  }
}

@media (min-width: 1200px) {
  .page-home .home-lane {
    flex: 0 0 306px;
  }
}