/* ============================================================
   page-home —— 首页专属样式
   ============================================================ */

.page-home {
  --home-line: rgba(14, 107, 168, .13);
  --home-line-2: rgba(14, 107, 168, .30);
  --home-shadow: 0 18px 46px -30px rgba(8, 25, 43, .62);
  background: var(--snow);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3.6vw, 52px) clamp(44px, 6vw, 88px);
  background:
    radial-gradient(115% 88% at 88% 0%, rgba(78, 159, 209, .22), rgba(247, 250, 252, 0) 62%),
    linear-gradient(180deg, var(--snow) 0%, var(--snow) 68%, rgba(215, 227, 236, .48) 100%);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0 0 16% 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--home-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-line) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .35) 60%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .35) 60%, transparent 100%);
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
  align-items: start;
}

.page-home .hero__intro {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-home .hero__lead {
  max-width: 48ch;
  color: var(--ridge);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 2px;
}

.page-home .hero__facts {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: var(--fs-sm);
  color: var(--ridge);
}

.page-home .hero__facts li {
  position: relative;
  padding-left: 14px;
}

.page-home .hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sun);
}

.page-home .hero__media {
  margin: 0;
  min-width: 0;
  border-radius: 3px 28px 3px 3px;
  overflow: hidden;
  box-shadow: var(--home-shadow);
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* 入口矩阵 */

.page-home .hero__lanes {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-home .lane {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  padding: 14px clamp(14px, 1.6vw, 18px);
  background: var(--snow);
  border: 1px solid var(--mist);
  border-left: 3px solid var(--lake);
  border-radius: 2px 14px 14px 2px;
  color: var(--ink);
  text-decoration: none;
  transition:
    transform var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease),
    opacity var(--t-base) var(--ease);
}

.page-home .lane__num {
  align-self: start;
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--lake-2);
}

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

.page-home .lane__title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-home .lane__desc {
  display: block;
  margin-top: 4px;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--ridge);
}

.page-home .lane__arrow {
  font-family: var(--font-mono);
  color: var(--lake);
  transition: transform var(--t-base) var(--ease);
}

.page-home .hero__lanes:hover .lane {
  opacity: .58;
}

.page-home .hero__lanes .lane:hover,
.page-home .hero__lanes .lane:focus-visible {
  opacity: 1;
  transform: translateX(5px);
  border-color: var(--lake-2);
  border-left-color: var(--sun);
  box-shadow: 0 16px 32px -24px rgba(8, 25, 43, .7);
}

.page-home .hero__lanes .lane:hover .lane__arrow {
  transform: translateX(4px);
}

/* ---------- 查询四步 ---------- */

.page-home .steps {
  display: grid;
  gap: clamp(26px, 3.4vw, 48px);
  align-items: start;
}

.page-home .steps__aside {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-home .steps__media {
  margin: 8px 0 0;
  border-radius: 24px 3px 24px 3px;
  overflow: hidden;
  border: 1px solid var(--mist);
}

.page-home .steps__media img {
  display: block;
  width: 100%;
  height: auto;
}

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

.page-home .steps__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-home .steps__jump a {
  display: inline-block;
  padding: 5px 13px;
  background: var(--snow);
  border: 1px solid var(--mist);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .04em;
  color: var(--lake);
  text-decoration: none;
  transition:
    border-color var(--t-fast) var(--ease),
    background var(--t-fast) var(--ease);
}

.page-home .steps__jump a:hover,
.page-home .steps__jump a:focus-visible {
  border-color: var(--lake);
  background: rgba(14, 107, 168, .08);
}

.page-home .steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 18px;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--snow);
  border: 1px solid var(--mist);
  border-left: 3px solid var(--lake-2);
  border-radius: 2px 14px 14px 2px;
  transition:
    transform var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease),
    background var(--t-base) var(--ease);
}

.page-home .step:hover {
  transform: translateX(4px);
  border-left-color: var(--lake);
}

.page-home .step:target {
  border-left-color: var(--sun);
  background: linear-gradient(90deg, rgba(242, 169, 59, .16), var(--snow) 58%);
}

.page-home .step__num {
  margin: 0;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: .04em;
  color: var(--lake);
}

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

.page-home .step__title {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-home .step__text {
  margin: 6px 0 0;
  color: var(--ridge);
  line-height: 1.8;
}

.page-home .step__meta {
  margin: 8px 0 0;
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  color: var(--flag);
}

.page-home .steps__footnote {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--sun);
  font-size: var(--fs-sm);
  color: var(--ridge);
}

/* ---------- 公告与版本节奏 ---------- */

.page-home .rhythm__grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

.page-home .rhythm__intro {
  display: grid;
  gap: 14px;
  align-content: start;
  justify-items: start;
  min-width: 0;
}

.page-home .rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  min-width: 0;
}

.page-home .rhythm__item {
  padding-block: clamp(14px, 1.8vw, 20px);
  border-top: 1px solid rgba(14, 107, 168, .22);
}

.page-home .rhythm__item:last-child {
  border-bottom: 1px solid rgba(14, 107, 168, .22);
}

.page-home .rhythm__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-home .rhythm__text {
  margin: 6px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ridge);
}

.page-home .rhythm__media {
  margin: 0;
  min-width: 0;
  border-radius: 3px 20px 3px 20px;
  overflow: hidden;
}

.page-home .rhythm__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 数据带 ---------- */

.page-home .stats {
  background: var(--deep);
  color: var(--snow);
}

.page-home .stats__head {
  display: grid;
  gap: 14px;
  max-width: 62ch;
  margin-bottom: clamp(26px, 3.4vw, 46px);
}

.page-home .stats .eyebrow {
  color: var(--aqua);
}

.page-home .stats .lead {
  color: rgba(215, 227, 236, .82);
}

.page-home .stats__grid {
  display: grid;
  gap: 0 clamp(24px, 3vw, 52px);
}

.page-home .stat {
  padding-block: clamp(18px, 2vw, 26px);
  border-top: 1px solid rgba(215, 227, 236, .24);
}

.page-home .stat__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0;
}

.page-home .stat__num {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--sun);
}

.page-home .stat__unit {
  font-size: var(--fs-sm);
  color: rgba(215, 227, 236, .82);
}

.page-home .stat__note {
  margin: 10px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(215, 227, 236, .74);
}

/* ---------- 分流 ---------- */

.page-home .routes__head {
  display: grid;
  gap: 14px;
  max-width: 58ch;
  margin-bottom: clamp(26px, 3.4vw, 46px);
}

.page-home .routes__grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 34px);
  align-items: start;
}

.page-home .route {
  display: grid;
  gap: 14px;
  align-content: start;
  justify-items: start;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--snow);
  border: 1px solid var(--mist);
  border-radius: 3px 22px 3px 22px;
  min-width: 0;
  transition:
    transform var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease);
}

.page-home .route:hover {
  transform: translateY(-4px);
  border-color: var(--lake-2);
  box-shadow: var(--home-shadow);
}

.page-home .route--answers {
  background: linear-gradient(160deg, rgba(78, 159, 209, .14), var(--snow) 58%);
  border-radius: 24px 3px 24px 3px;
}

.page-home .route__tag {
  margin: 0;
  padding: 4px 10px;
  border: 1px solid var(--lake);
  border-radius: 999px;
  font-size: var(--fs-xs);
  letter-spacing: .05em;
  color: var(--lake);
}

.page-home .route__title {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-home .route__text {
  margin: 0;
  color: var(--ridge);
  line-height: 1.85;
}

.page-home .route__media {
  margin: 4px 0 0;
  width: 100%;
  border-radius: 3px 18px 3px 18px;
  overflow: hidden;
}

.page-home .route__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  width: 100%;
}

.page-home .route__list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-sm);
  color: var(--ink);
}

.page-home .route__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 8px;
  height: 2px;
  background: var(--lake);
}

/* ---------- 人工通道 ---------- */

.page-home .reach__grid {
  display: grid;
  gap: clamp(26px, 3.2vw, 48px);
  align-items: start;
}

.page-home .reach__intro {
  display: grid;
  gap: 14px;
  align-content: start;
  justify-items: start;
  min-width: 0;
}

.page-home .reach__hint {
  margin: 4px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ridge);
}

.page-home .reach__hint a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-home .reach__hint a:hover {
  color: var(--flag);
}

.page-home .reach__list {
  margin: 0;
  display: grid;
  min-width: 0;
}

.page-home .reach__item {
  display: grid;
  gap: 6px;
  padding-block: clamp(14px, 1.8vw, 20px);
  border-top: 1px solid var(--mist);
}

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

.page-home .reach__item dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  color: var(--ridge);
}

.page-home .reach__item dd {
  margin: 0;
  font-size: var(--fs-lead);
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 700px) {
  .page-home .stats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .reach__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(24px, 3vw, 44px);
  }

  .page-home .reach__item:nth-child(2) {
    border-bottom: 1px solid var(--mist);
  }
}

@media (min-width: 980px) {
  .page-home .hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-areas:
      "intro intro intro intro intro intro intro media media media media media"
      "intro intro intro intro intro intro intro lanes lanes lanes lanes lanes";
    column-gap: clamp(28px, 3vw, 56px);
    row-gap: clamp(20px, 2.2vw, 32px);
  }

  .page-home .hero__intro {
    grid-area: intro;
    padding-top: clamp(6px, 1.2vw, 18px);
  }

  .page-home .hero__media {
    grid-area: media;
  }

  .page-home .hero__lanes {
    grid-area: lanes;
  }

  .page-home .steps {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(36px, 4vw, 76px);
  }

  .page-home .rhythm__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(24px, 2.6vw, 44px);
  }

  .page-home .rhythm__intro {
    grid-column: 1 / 5;
  }

  .page-home .rhythm__list {
    grid-column: 5 / 10;
  }

  .page-home .rhythm__media {
    grid-column: 10 / 13;
  }

  .page-home .stats__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .routes__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: clamp(28px, 3vw, 48px);
  }

  .page-home .route--answers {
    margin-top: clamp(24px, 3vw, 44px);
  }

  .page-home .reach__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(36px, 4vw, 76px);
  }

  .page-home .reach__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-home .reach__item:nth-child(2) {
    border-bottom: none;
  }
}

@media (min-width: 1240px) {
  .page-home .hero__media {
    transform: translateY(-2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .lane,
  .page-home .step,
  .page-home .route,
  .page-home .lane__arrow {
    transition-duration: 1ms;
  }

  .page-home .hero__lanes:hover .lane,
  .page-home .hero__lanes .lane:hover,
  .page-home .hero__lanes .lane:focus-visible,
  .page-home .step:hover,
  .page-home .route:hover {
    transform: none;
    opacity: 1;
  }
}