.page-home {
  display: block;
}

/* ============ 首屏海报 ============ */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding-block: 52px 44px;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 85% at 84% 4%, rgba(255, 106, 43, .22), rgba(14, 27, 44, 0) 62%),
    radial-gradient(90% 70% at 6% 96%, rgba(200, 162, 106, .14), rgba(14, 27, 44, 0) 60%);
  pointer-events: none;
}

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

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .hero__lead { order: 1; }
.page-home .hero__tiles { order: 2; }
.page-home .hero__media { order: 3; }

.page-home .hero__lead .eyebrow {
  color: var(--orange-500);
}

.page-home .hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(36px, 9vw, 88px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: #FFFFFF;
}

.page-home .hero__lead-text {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-text-inv-muted);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero__media {
  position: relative;
  min-height: 200px;
  border: 1px solid var(--line-inv);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(158deg, rgba(14, 27, 44, .28) 0%, rgba(14, 27, 44, .88) 100%);
}

.page-home .hero__tiles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .tile {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 18px 20px;
  background: var(--navy-800);
  border: 1px solid var(--line-inv);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}

.page-home .tile__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-text-inv-muted);
}

.page-home .tile__v {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: .04em;
  color: #FFFFFF;
}

.page-home .tile__n {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-inv-muted);
}

.page-home .tile--accent {
  background: var(--orange-500);
  border-color: rgba(255, 106, 43, .9);
}

.page-home .tile--accent .tile__k { color: rgba(255, 255, 255, .82); }
.page-home .tile--accent .tile__v { color: #FFFFFF; }
.page-home .tile--accent .tile__n { color: rgba(255, 255, 255, .9); }

.page-home .hero__track {
  margin-top: 26px;
  padding: 16px 14px 8px;
  background: var(--navy-800);
  border: 1px solid var(--line-inv);
  border-radius: var(--r-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .batch-track {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}

.page-home .batch-track__axis {
  stroke: var(--line-inv);
  stroke-width: 1;
}

.page-home .batch-track__box {
  fill: none;
  stroke: var(--silver-400);
  stroke-width: 1.5;
  transition: stroke .25s var(--ease), fill .25s var(--ease);
}

.page-home .batch-track__code {
  font-family: var(--font-mono);
  font-size: 24px;
  letter-spacing: .08em;
  fill: var(--c-text-inv);
}

.page-home .batch-track__meta {
  font-family: var(--font-sans);
  font-size: 17px;
  fill: var(--c-text-inv-muted);
}

.page-home .batch-track__node--current .batch-track__box {
  fill: var(--orange-500);
  stroke: var(--orange-500);
}

.page-home .batch-track__node--current .batch-track__code {
  fill: var(--orange-500);
}

.page-home .batch-track__node--current .batch-track__meta {
  fill: #FFFFFF;
}

.page-home .batch-track__node:hover .batch-track__box {
  stroke: var(--orange-500);
  fill: rgba(255, 106, 43, .22);
}

/* ============ 章节索引条 ============ */
.page-home .toc--bar {
  display: none;
}

/* ============ 通用栏目头 ============ */
.page-home .section {
  padding-block: 56px 60px;
}

.page-home .section-head {
  margin-bottom: 30px;
}

.page-home .section-head .eyebrow {
  color: var(--orange-500);
}

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

.page-home .section-head .lead {
  margin: 14px 0 0;
  max-width: 44em;
}

.page-home .band--dark .hero__title,
.page-home .band--dark .section-title {
  color: #FFFFFF;
}

.page-home .band--dark .section-head .lead,
.page-home .band--dark .lead {
  color: var(--c-text-inv-muted);
}

/* ============ 01 合作门槛 ============ */
.page-home .tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .tier-card {
  padding: 24px 20px 26px;
  background: var(--paper-100);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}

.page-home .tier-card--strong {
  background: var(--navy-900);
  border-color: rgba(255, 106, 43, .5);
}

.page-home .tier-card__code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange-500);
  border: 1px solid rgba(255, 106, 43, .4);
  border-radius: var(--r-pill);
  padding: 3px 10px;
}

.page-home .tier-card__title {
  margin: 16px 0 0;
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--c-text);
}

.page-home .tier-card__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-muted);
}

.page-home .tier-card__spec {
  margin: 20px 0 0;
  display: grid;
  gap: 0;
}

.page-home .tier-card__spec > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .tier-card__spec dt {
  font-size: 13px;
  color: var(--c-text-muted);
  white-space: nowrap;
}

.page-home .tier-card__spec dd {
  margin: 0;
  font-size: 15px;
  text-align: right;
  color: var(--c-text);
}

.page-home .tier-card--strong .tier-card__title { color: #FFFFFF; }
.page-home .tier-card--strong .tier-card__desc { color: var(--c-text-inv-muted); }
.page-home .tier-card--strong .tier-card__spec > div { border-top-color: var(--line-inv-soft); }
.page-home .tier-card--strong .tier-card__spec dt { color: var(--c-text-inv-muted); }
.page-home .tier-card--strong .tier-card__spec dd { color: #FFFFFF; }

.page-home .threshold__media {
  margin: 26px 0 0;
}

.page-home .price-band {
  margin-top: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--paper-100);
  overflow: hidden;
}

.page-home .price-band__head {
  display: none;
}

.page-home .price-band__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
  border-top: 1px solid var(--line-soft);
}

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

.page-home .price-band__cell {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-home .price-band__k {
  flex: 0 0 76px;
  font-size: 12px;
  color: var(--c-text-muted);
}

.page-home .price-band__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text);
}

/* ============ 02 合作路径 ============ */
.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .step {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--silver-100);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}

.page-home .step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--orange-500);
}

.page-home .step__title {
  margin: 14px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-text);
}

.page-home .step__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-text-muted);
}

.page-home .verify-panel {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-home .verify-panel__media {
  margin: 0;
}

.page-home .verify-panel__title {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.35;
  color: var(--c-text);
}

.page-home .verify-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .verify-item {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--jade-500);
  border-radius: var(--r-sm);
  background: var(--paper-100);
}

.page-home .verify-item .tag-pass {
  justify-self: start;
}

.page-home .verify-item__tag--fix {
  background: rgba(200, 162, 106, .18);
  color: #8A6A34;
  border-color: rgba(200, 162, 106, .45);
}

.page-home .verify-item__tag--redo {
  background: rgba(255, 106, 43, .14);
  color: #C24A15;
  border-color: rgba(255, 106, 43, .42);
}

.page-home .verify-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-text-muted);
}

.page-home .verify-stats {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 18px;
}

.page-home .verify-stat {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-home .verify-stat__v {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--ink-900);
}

.page-home .verify-stat__l {
  font-size: 12px;
  line-height: 1.55;
  color: var(--c-text-muted);
}

/* ============ 03 团队分工 ============ */
.page-home .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-home .team-grid__media {
  margin: 0;
}

.page-home .team-lines {
  display: grid;
  gap: 20px;
}

.page-home .team-line {
  padding: 18px 18px 20px;
  background: var(--paper-100);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
}

.page-home .team-line__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .team-line__head h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--c-text);
}

.page-home .team-line__count {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange-500);
}

.page-home .team-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 14px;
}

.page-home .team-group h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
}

.page-home .team-group p {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-text-muted);
}

.page-home .team-stats {
  margin-top: 28px;
  padding: 22px 0 0;
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 16px;
}

.page-home .team-stat {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-home .team-stat__v {
  font-family: var(--font-mono);
  font-size: 36px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--ink-900);
}

.page-home .team-stat__l {
  font-size: 12.5px;
  color: var(--c-text-muted);
}

.page-home .team-more {
  margin: 24px 0 0;
  font-size: 14px;
}

.page-home .team-more a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-500);
  padding-bottom: 2px;
}

.page-home .team-more a:hover {
  color: var(--orange-500);
}

/* ============ 04 规则调整 ============ */
.page-home .records {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .record {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--line-inv-soft);
}

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

.page-home .record__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange-500);
}

.page-home .record__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-inv);
}

.page-home .record__tag {
  justify-self: start;
  font-size: 12px;
  color: var(--c-text-inv-muted);
  border: 1px solid var(--line-inv);
  border-radius: var(--r-pill);
  padding: 3px 10px;
}

.page-home .records__note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-inv-muted);
}

.page-home .records__note a {
  color: #FFFFFF;
  text-decoration: none;
  border-bottom: 1px solid var(--orange-500);
  padding-bottom: 2px;
}

.page-home .records__note a:hover {
  color: var(--orange-500);
}

/* ============ 05 下一步对接 ============ */
.page-home .start-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .start-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px 20px 26px;
  background: var(--paper-100);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: inherit;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-home .start-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-home .start-card__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--orange-500);
}

.page-home .start-card h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.35;
  color: var(--c-text);
}

.page-home .start-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-text-muted);
}

.page-home .start-card__go {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-900);
}

.page-home .start-card--accent {
  background: var(--navy-900);
  border-color: rgba(255, 106, 43, .5);
}

.page-home .start-card--accent h3 { color: #FFFFFF; }
.page-home .start-card--accent p { color: var(--c-text-inv-muted); }
.page-home .start-card--accent .start-card__go { color: var(--orange-500); }

.page-home .contact-strip {
  margin-top: 28px;
  padding: 22px 20px 24px;
  background: var(--silver-100);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  display: grid;
  gap: 14px;
}

.page-home .contact-strip__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-home .contact-strip__label {
  flex: 0 0 72px;
  font-size: 12px;
  color: var(--c-text-muted);
}

.page-home .contact-strip__value {
  font-size: 15px;
  color: var(--c-text);
  word-break: break-all;
}

.page-home .contact-strip__note {
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.72;
  color: var(--c-text-muted);
}

.page-home .contact-strip__note a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-500);
  padding-bottom: 2px;
}

/* ============ 平板与桌面 ============ */
@media (min-width: 640px) {
  .page-home .team-groups {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .page-home .team-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 760px) {
  .page-home .hero {
    padding-block: 72px 56px;
  }

  .page-home .tier-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-home .price-band__head {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 16px;
    padding: 12px 18px;
    background: var(--silver-100);
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: .1em;
    color: var(--c-text-muted);
  }

  .page-home .price-band__row {
    grid-template-columns: 1fr 1fr 2fr;
    gap: 16px;
    align-items: baseline;
    padding: 14px 18px;
  }

  .page-home .price-band__k {
    display: none;
  }

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

@media (min-width: 900px) {
  .page-home .hero {
    padding-block: 96px 68px;
  }

  .page-home .hero__grid {
    grid-template-columns: repeat(12, 1fr);
    column-gap: 24px;
    row-gap: 26px;
  }

  .page-home .hero__lead {
    grid-column: 1 / span 7;
    grid-row: 1;
    order: 0;
    align-self: start;
  }

  .page-home .hero__media {
    grid-column: 8 / -1;
    grid-row: 1;
    order: 0;
    min-height: 280px;
  }

  .page-home .hero__tiles {
    grid-column: 1 / -1;
    grid-row: 2;
    order: 0;
    grid-template-columns: 1.05fr .9fr 1.25fr;
    align-items: start;
    gap: 20px;
  }

  .page-home .hero__tiles > li:nth-child(2) {
    margin-top: 26px;
  }

  .page-home .hero__tiles > li:nth-child(3) {
    margin-top: 10px;
  }

  .page-home .tile__v {
    font-size: 34px;
  }

  .page-home .hero__track {
    padding: 22px 24px 12px;
  }

  .page-home .batch-track {
    min-width: 0;
  }

  .page-home .toc--bar {
    position: sticky;
    top: 86px;
    z-index: 6;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: -30px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, .92);
    border: 1px solid var(--line-soft);
    border-radius: var(--r-pill);
    box-shadow: var(--shadow-1);
    backdrop-filter: blur(10px);
  }

  .page-home .toc--bar .toc__title {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c-text-muted);
    padding-left: 6px;
  }

  .page-home .toc--bar ul {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .page-home .toc--bar a {
    display: block;
    padding: 6px 12px;
    border-radius: var(--r-pill);
    font-size: 13px;
    text-decoration: none;
    color: var(--c-text-muted);
    transition: background .25s var(--ease), color .25s var(--ease);
  }

  .page-home .toc--bar a:hover {
    color: var(--ink-900);
  }

  .page-home .toc--bar a[aria-current="true"] {
    background: var(--orange-200);
    color: var(--ink-900);
  }

  .page-home .section {
    padding-block: 88px 92px;
  }

  .page-home .section-head {
    margin-bottom: 44px;
  }

  .page-home .tier-card {
    padding: 30px 28px 32px;
  }

  .page-home .threshold__media {
    margin-top: 32px;
  }

  .page-home .price-band {
    margin-top: 32px;
  }

  .page-home .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-home .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 44px;
    right: -20px;
    width: 20px;
    height: 1px;
    background: var(--line-strong);
  }

  .page-home .verify-panel {
    margin-top: 52px;
    grid-template-columns: 4fr 7fr;
    column-gap: 40px;
    align-items: start;
  }

  .page-home .verify-panel__media {
    max-width: 360px;
  }

  .page-home .team-grid {
    grid-template-columns: 5fr 7fr;
    column-gap: 36px;
    align-items: start;
  }

  .page-home .team-grid__media {
    position: sticky;
    top: 150px;
  }

  .page-home .team-stats {
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 36px;
  }

  .page-home .team-stat__v {
    font-size: 44px;
  }

  .page-home .record {
    grid-template-columns: 160px 1fr 108px;
    align-items: baseline;
    gap: 28px;
    padding: 24px 0;
  }

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

  .page-home .start-card {
    padding: 30px 26px 32px;
  }

  .page-home .contact-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 26px 28px 28px;
  }

  .page-home .contact-strip__note {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .start-card,
  .page-home .tile,
  .page-home .batch-track__box {
    transition: none;
  }

  .page-home .start-card:hover {
    transform: none;
  }
}