.page-home {
  --frame-pad: 20px;
  --home-radius: 0px;
  background: var(--paper);
  color: var(--ink);
  display: block;
  overflow-x: hidden;
}

.page-home .section {
  padding: 52px 0;
}

.page-home .section--tint {
  background: rgba(242, 227, 198, .38);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- 首屏框景 ---------- */

.page-home .hero {
  padding: 10px 0 0;
}

.page-home .hero-frame {
  position: relative;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 26px var(--frame-pad) 0;
}

.page-home .hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 14px);
  pointer-events: none;
}

.page-home .hero-frame__mark {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--signal);
  z-index: 3;
  pointer-events: none;
}

.page-home .hero-frame__mark--tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-home .hero-frame__mark--tr {
  top: -1px;
  right: -1px;
  border-left: 0;
  border-bottom: 0;
}

.page-home .hero-context {
  margin: 12px 0 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-home .hero-context__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 3px 8px;
  background: var(--navy-800);
  color: var(--white);
  letter-spacing: .14em;
}

.page-home .hero-grid {
  display: grid;
  gap: 26px;
}

.page-home .hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(30px, 7.6vw, 56px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--navy-900);
}

.page-home .hero-lede {
  margin: 0 0 22px;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mute);
}

.page-home .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .hero-visual .media {
  position: relative;
  overflow: hidden;
}

.page-home .hero-visual .media img {
  display: block;
  width: 100%;
  height: clamp(260px, 52vw, 460px);
  object-fit: cover;
}

.page-home .hero-visual__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--slate);
}

/* 首屏横向数据带 */

.page-home .hero-band {
  position: relative;
  margin: 28px calc(-1 * var(--frame-pad)) 0;
  background: var(--navy-900);
  overflow: hidden;
}

.page-home .hero-band__tex {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  pointer-events: none;
}

.page-home .hero-band__list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(201, 214, 223, .25);
  border-top: 2px solid var(--cyan);
}

.page-home .hero-stat {
  background: var(--navy-900);
  padding: 18px 16px 20px;
}

.page-home .hero-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 8vw, 50px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-home .hero-stat__plus {
  color: var(--signal);
}

.page-home .hero-stat__label {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: #B7C9D6;
}

/* ---------- 章节通用 ---------- */

.page-home .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding-bottom: 14px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.page-home .section-head__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 4.6vw, 33px);
  line-height: 1.25;
  color: var(--navy-900);
  letter-spacing: -.01em;
}

.page-home .section-head__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-home .lead {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mute);
}

.page-home .lead--wide {
  max-width: 68ch;
}

.page-home .note-line {
  margin: 0 0 8px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mute);
}

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

/* ---------- 工艺节点 ---------- */

.page-home .runtime-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-home .runtime-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink);
}

.page-home .runtime-list b {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--navy-600);
}

.page-home .node-grid {
  list-style: none;
  margin: 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 .node {
  background: var(--white);
  padding: 14px 14px 16px;
  transition: background .24s var(--ease);
}

.page-home .node:hover,
.page-home .node:focus-visible,
.page-home .node:focus-within {
  background: var(--sand);
  outline: none;
}

.page-home .node__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan-dark);
}

.page-home .node__name {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .node__hint {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--slate);
  transition: color .24s var(--ease);
}

.page-home .node:hover .node__hint {
  color: var(--signal);
}

/* ---------- 价格档位 ---------- */

.page-home .tier-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-home .tier {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 14px 12px 16px;
}

.page-home .tier__bar {
  display: block;
  height: 6px;
  margin-bottom: 12px;
  background: var(--sand);
}

.page-home .tier:nth-child(1) .tier__bar { background: #F2E3C6; }
.page-home .tier:nth-child(2) .tier__bar { background: #EFD3A8; }
.page-home .tier:nth-child(3) .tier__bar { background: #EBBE85; }
.page-home .tier:nth-child(4) .tier__bar { background: #E7A363; }
.page-home .tier:nth-child(5) .tier__bar { background: #F28A4A; }
.page-home .tier:nth-child(6) .tier__bar { background: var(--signal); }

.page-home .tier__name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-900);
}

.page-home .tier__text {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--mute);
}

.page-home .chart-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 12px;
}

.page-home .chart-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .chart-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 赛季看板 ---------- */

.page-home .season-wrap {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-home .season-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  margin-bottom: 16px;
}

.page-home .season-head__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  color: var(--navy-900);
}

.page-home .season-head__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-home .season-spark {
  display: block;
  width: 100%;
  height: auto;
  max-height: 64px;
  margin: 0 0 16px;
}

.page-home .season-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.page-home .season-filters .filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-home .season-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-home .season {
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--white);
  padding: 16px 16px 18px;
}

.page-home .season__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-home .season__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-dark);
}

.page-home .season__count {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--navy-800);
}

.page-home .season__count span {
  margin-left: 3px;
  font-size: 12px;
  color: var(--slate);
}

.page-home .season__meta {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mute);
}

.page-home .season-foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 资质凭证 ---------- */

.page-home .cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-home .cert {
  border-top: 3px solid var(--navy-800);
  background: var(--sand);
  padding: 16px 16px 20px;
}

.page-home .cert:nth-child(2) { border-top-color: var(--cyan); }
.page-home .cert:nth-child(3) { border-top-color: var(--navy-600); }
.page-home .cert:nth-child(4) { border-top-color: var(--signal); }

.page-home .cert__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--navy-800);
}

.page-home .cert__title {
  margin: 10px 0 8px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--navy-900);
}

.page-home .cert__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 区域服务带 ---------- */

.page-home .region-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-home .region-stats {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .region-stats li {
  background: var(--white);
  padding: 16px 12px 18px;
}

.page-home .region-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 7vw, 40px);
  line-height: 1;
  color: var(--navy-800);
}

.page-home .region-stats__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

.page-home .region-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 12px;
}

.page-home .region-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .region-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 五步流程 ---------- */

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

.page-home .step {
  background: var(--white);
  padding: 18px 16px 20px;
  transition: background .24s var(--ease);
}

.page-home .step:hover {
  background: var(--sand);
}

.page-home .step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--line);
}

.page-home .step:hover .step__no {
  color: var(--signal);
}

.page-home .step__name {
  margin: 10px 0 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy-900);
}

.page-home .step__text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 工艺日志 ---------- */

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

.page-home .log-list li {
  border-bottom: 1px solid var(--line);
}

.page-home .log-item {
  display: grid;
  gap: 6px 18px;
  padding: 16px 0;
  text-decoration: none;
  color: inherit;
  transition: background .24s var(--ease);
}

.page-home .log-item:hover .log-item__title {
  color: var(--signal);
}

.page-home .log-item__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-dark);
}

.page-home .log-item__title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color .24s var(--ease);
}

.page-home .log-item__cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--slate);
}

/* ---------- 收尾 ---------- */

.page-home .closing {
  position: relative;
  background: var(--navy-900);
  color: var(--white);
  padding: 48px 0 52px;
  border-top: 3px solid var(--cyan);
}

.page-home .closing__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 4.8vw, 32px);
  line-height: 1.3;
  color: var(--white);
}

.page-home .closing__text {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: #C3D3DE;
}

.page-home .closing__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-home .cert-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .log-item {
    grid-template-columns: 110px minmax(0, 1fr) auto;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-home {
    --frame-pad: 36px;
  }

  .page-home .section {
    padding: 84px 0;
  }

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

  .page-home .hero-frame {
    padding-top: 34px;
  }

  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

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

  .page-home .hero-stat {
    padding: 24px 22px 26px;
  }

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

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

  .page-home .region-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 40px;
    align-items: start;
  }

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

@media (min-width: 1100px) {
  .page-home .node-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .tier-ladder {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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