.page-home {
  --hm-line: rgba(127, 178, 255, 0.26);
  --hm-gap-lg: clamp(28px, 5vw, 56px);
  --hm-gap-sm: clamp(16px, 2.4vw, 24px);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--deep) 0%, var(--deep-2) 100%);
  color: var(--paper-2);
  padding-top: clamp(32px, 5vw, 64px);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hm-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--hm-line) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.5;
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(240, 101, 13, 0.22), transparent 68%);
  pointer-events: none;
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--hm-gap-lg);
  align-items: center;
}

.page-home .hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sky);
}

.page-home .hero__title {
  margin: 0 0 18px;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-home .hero__title span {
  display: block;
  color: var(--sky);
}

.page-home .hero__lede {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-home .hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--hm-line);
}

.page-home .hero__fact {
  flex: 1 1 30%;
  min-width: 120px;
  padding-right: 16px;
}

.page-home .hero__fact dt {
  font-size: 12px;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.06em;
}

.page-home .hero__fact dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 700;
  color: var(--orange-light);
}

.page-home .hero__visual {
  position: relative;
  max-width: 460px;
  width: 100%;
}

.page-home .hero__trace {
  position: absolute;
  top: -28px;
  right: -12px;
  width: 62%;
  height: auto;
  opacity: 0.75;
  pointer-events: none;
  z-index: 2;
}

.page-home .hero__media {
  position: relative;
  z-index: 1;
  border: 1px solid var(--hm-line);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

/* 首屏底部横向索引带 */
.page-home .hero__ribbon {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 0;
  margin-top: clamp(28px, 4vw, 48px);
  overflow-x: auto;
  border-top: 1px solid var(--hm-line);
  border-bottom: 1px solid var(--hm-line);
  scrollbar-width: thin;
}

.page-home .ribbon__item {
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 18px 22px;
  border-right: 1px solid var(--hm-line);
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-home .ribbon__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-home .ribbon__item:hover,
.page-home .ribbon__item:focus-visible {
  color: #fff;
  background: rgba(127, 178, 255, 0.12);
}

.page-home .ribbon__item:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

/* ---------- 通用分栏 ---------- */
.page-home .split {
  display: grid;
  gap: var(--hm-gap-lg);
  align-items: start;
}

.page-home .split__text {
  min-width: 0;
}

.page-home .split__media {
  margin: 0;
  min-width: 0;
}

/* ---------- 步骤流程 ---------- */
.page-home .steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .steps__item {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .steps__n {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  padding-top: 3px;
}

.page-home .steps__t {
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 栏目面板清单 ---------- */
.page-home .panel-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .panel-list__item {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 14px 16px;
  background: var(--paper-2);
  font-size: 15px;
}

.page-home .panel-list__n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

/* ---------- 时间线 ---------- */
.page-home .timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .timeline__item {
  position: relative;
  background: var(--paper-2);
  padding: 22px 20px 24px;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--sky);
}

.page-home .timeline__item--live::before {
  background: var(--orange);
}

.page-home .timeline__time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}

.page-home .timeline__item--live .timeline__time {
  color: var(--orange);
  font-weight: 700;
}

.page-home .timeline__label {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
}

.page-home .timeline__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- 数据区 ---------- */
.page-home .bs-section--deep .bs-lede {
  color: rgba(255, 255, 255, 0.74);
}

.page-home .stat-grid {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hm-line);
  border: 1px solid var(--hm-line);
}

.page-home .stat {
  background: rgba(10, 31, 60, 0.55);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 700;
  color: var(--orange-light);
  line-height: 1.1;
}

.page-home .stat__label {
  font-size: 14px;
  color: #fff;
}

.page-home .stat__note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

.page-home .numbers__foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 问答 ---------- */
.page-home .qa {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.page-home .qa__item {
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}

.page-home .qa__q {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  list-style: none;
}

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

.page-home .qa__n {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-home .qa__item[open] .qa__n {
  color: var(--blue);
}

.page-home .qa__a {
  padding: 0 20px 20px 46px;
}

.page-home .qa__a p {
  margin: 0;
  font-size: 15px;
}

.page-home .qa__a a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系条 ---------- */
.page-home .contact-strip {
  margin-top: var(--hm-gap-lg);
  display: grid;
  gap: 20px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  background: var(--paper-2);
}

.page-home .contact-strip__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
}

.page-home .contact-strip__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 34em;
}

.page-home .contact-strip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .contact-strip__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--paper);
}

.page-home .contact-strip__label {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--ink-2);
  min-width: 62px;
}

.page-home .contact-strip__value {
  flex: 1 1 auto;
  font-size: 14px;
  font-weight: 700;
  word-break: break-all;
}

.page-home .contact-strip__btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .stat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .contact-strip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    padding: 32px 28px;
  }

  .page-home .contact-strip__btn {
    grid-column: 2;
  }
}

@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-home .hero__visual {
    justify-self: end;
  }

  .page-home .split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-home .split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-home .split--reverse .split__text {
    order: 2;
  }

  .page-home .split--reverse .split__media {
    order: 1;
  }

  .page-home .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .contact-strip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: center;
  }

  .page-home .contact-strip__btn {
    grid-column: 2;
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ribbon__item {
    transition: none;
  }
}