.page-home {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-home .section {
  padding: clamp(44px, 7vw, 86px) 0;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(26px, 5vw, 58px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(10, 77, 140, .13), transparent 62%),
    linear-gradient(180deg, var(--cream) 0%, #FFFFFF 92%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -1px;
  height: 110px;
  background: linear-gradient(180deg, rgba(10, 77, 140, .12), rgba(10, 77, 140, .01));
  clip-path: polygon(0 80%, 9% 58%, 19% 72%, 30% 42%, 41% 64%, 53% 32%, 65% 60%, 77% 44%, 88% 68%, 100% 52%, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .home-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 50px);
}

.page-home .home-context {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--stone);
}

.page-home .home-context-brand {
  color: var(--blue);
  font-weight: 700;
}

.page-home .home-context-rule {
  width: 26px;
  height: 1px;
  background: var(--clay);
}

.page-home .home-title {
  margin: 16px 0 0;
  font-size: clamp(32px, 6.4vw, 66px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .home-lede {
  max-width: 33em;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: #3B4256;
}

/* 认证块 */
.page-home .home-auth {
  position: relative;
  margin-top: clamp(24px, 3.6vw, 36px);
  background: #FFFFFF;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
}

.page-home .home-auth::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--orange));
}

.page-home .home-auth-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 16px;
  background: var(--mist);
  border-bottom: 1px solid var(--line);
}

.page-home .home-auth-meta {
  font-size: 12.5px;
  color: var(--stone);
}

.page-home .home-identity .accordion-item {
  border-bottom: 1px solid var(--line);
}

.page-home .home-identity .accordion-item:last-child {
  border-bottom: 0;
}

.page-home .home-identity .accordion-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 20px;
  align-items: center;
  gap: 2px 12px;
  padding: 13px 16px;
  background: none;
  border: 0;
  text-align: left;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}

.page-home .home-identity .accordion-trigger:hover {
  background: rgba(255, 227, 214, .45);
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-home .home-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
}

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

.page-home .home-iddesc {
  grid-column: 2 / 3;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--stone);
}

.page-home .home-caret {
  grid-row: 1 / span 2;
  grid-column: 3;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(45deg);
  transition: transform .3s var(--ease);
}

.page-home .accordion-trigger[aria-expanded="true"] .home-caret {
  transform: rotate(-135deg);
}

.page-home .home-identity .accordion-panel {
  padding: 0 16px 16px 43px;
  font-size: 14px;
  line-height: 1.75;
  color: #3B4256;
}

.page-home .home-identity .accordion-panel p {
  margin: 0 0 10px;
}

/* 首屏侧栏 */
.page-home .home-hero-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .home-hero-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--mist);
  overflow: hidden;
}

.page-home .home-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .home-toc {
  background: var(--ink);
  color: var(--cream);
  padding: 16px 18px 12px;
  box-shadow: var(--shadow-2);
}

.page-home .home-toc-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: rgba(247, 243, 234, .6);
}

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

.page-home .home-toc-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line-dark);
  color: var(--cream);
  text-decoration: none;
  font-size: 14px;
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}

.page-home .home-toc-list li:last-child .home-toc-link {
  border-bottom: 0;
}

.page-home .home-toc-link:hover,
.page-home .home-toc-link:focus-visible {
  color: var(--orange);
  padding-left: 8px;
}

.page-home .home-toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(247, 243, 234, .45);
}

/* ---------- 章节头 ---------- */
.page-home .home-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
  max-width: 62em;
}

.page-home .home-h2 {
  margin: 0;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--blue);
}

.page-home .home-sub {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.78;
  color: #3B4256;
}

/* ---------- 场景 ---------- */
.page-home .home-scene {
  background: #FFFFFF;
  border-bottom: 1px solid var(--line);
}

.page-home .home-scene-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .home-scene-grid .card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 0;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.page-home .home-scene-grid .card:hover {
  transform: translateY(-3px);
  border-color: var(--orange);
  box-shadow: var(--shadow-2);
}

.page-home .home-scene-grid .card-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ink);
}

.page-home .home-scene-grid .card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #4A5164;
}

.page-home .home-scene-grid .card-arrow {
  margin-top: auto;
  font-size: 16px;
  color: var(--orange);
  transition: transform .3s var(--ease);
}

.page-home .home-scene-grid .card:hover .card-arrow {
  transform: translateX(6px);
}

.page-home .home-scene-main {
  padding: 0;
  overflow: hidden;
}

.page-home .home-scene-figure {
  margin: 0;
  background: var(--mist);
}

.page-home .home-scene-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .home-scene-body {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px;
  min-width: 0;
}

.page-home .home-scene-body .card-arrow {
  margin-top: 4px;
}

/* ---------- 资料库 ---------- */
.page-home .home-lib {
  background: var(--mist);
  border-bottom: 1px solid var(--line);
}

.page-home .home-lib-grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-home .home-lib-main {
  min-width: 0;
}

.page-home .home-lib-cells {
  list-style: none;
  margin: 22px 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-home .home-lib-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-height: 62px;
  padding: 11px 12px 10px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .62);
  transition: background .28s var(--ease), box-shadow .28s var(--ease);
}

.page-home .home-lib-cell:hover,
.page-home .home-lib-cell:focus-within {
  background: #FFFFFF;
  box-shadow: inset 0 0 0 2px var(--orange);
}

.page-home .home-lib-dot {
  position: absolute;
  top: 12px;
  right: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.page-home .home-lib-dot--blue { background: var(--blue); }
.page-home .home-lib-dot--orange { background: var(--orange); }
.page-home .home-lib-dot--moss { background: var(--moss); }

.page-home .home-lib-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  padding-right: 14px;
}

.page-home .home-lib-note {
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--stone);
  opacity: .82;
  transition: opacity .28s var(--ease), color .28s var(--ease);
}

.page-home .home-lib-cell:hover .home-lib-note {
  opacity: 1;
  color: var(--blue);
}

.page-home .home-lib-figure {
  margin: 0;
  align-self: start;
}

.page-home .home-lib-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--line);
  background: #FFFFFF;
}

.page-home .home-lib-caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 老用户 ---------- */
.page-home .home-legacy {
  background: #FFFFFF;
  border-bottom: 1px solid var(--line);
}

.page-home .home-legacy-grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 46px);
}

.page-home .home-legacy-intro .link-more {
  margin-top: 16px;
  display: inline-block;
}

.page-home .home-steps {
  border-left: 3px solid var(--blue);
  padding-left: 0;
}

.page-home .home-steps .accordion-item {
  border-bottom: 1px solid var(--line);
}

.page-home .home-steps .accordion-item:first-child {
  border-top: 1px solid var(--line);
}

.page-home .home-steps .accordion-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  align-items: center;
  gap: 2px 14px;
  padding: 16px 14px 16px 18px;
  background: none;
  border: 0;
  text-align: left;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
  transition: background .3s var(--ease);
}

.page-home .home-steps .accordion-trigger:hover {
  background: var(--mist);
}

.page-home .home-step-num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--clay);
  line-height: 1;
}

.page-home .home-step-name {
  font-size: 16px;
  font-weight: 700;
}

.page-home .home-step-hint {
  grid-column: 2 / 3;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--stone);
}

.page-home .home-steps .accordion-panel {
  padding: 0 18px 18px 18px;
  font-size: 14px;
  line-height: 1.78;
  color: #3B4256;
}

.page-home .home-steps .accordion-panel p {
  margin: 0;
}

/* ---------- 服务网络 ---------- */
.page-home .home-network {
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(10, 77, 140, .5), transparent 60%),
    var(--ink);
  color: var(--cream);
}

.page-home .home-kicker-light {
  color: rgba(247, 243, 234, .6);
}

.page-home .home-h2-light {
  color: var(--cream);
}

.page-home .home-sub-light {
  color: rgba(247, 243, 234, .78);
  max-width: 46em;
}

.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-home .home-stats .stat {
  border-top: 1px solid var(--line-dark);
  padding-top: 12px;
  min-width: 0;
}

.page-home .home-stats .stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cream);
}

.page-home .home-stats .stat-value em {
  font-style: normal;
  font-size: .5em;
  color: var(--orange);
  margin-left: 2px;
}

.page-home .home-stats .stat-label {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(247, 243, 234, .6);
}

.page-home .home-network-note {
  max-width: 52em;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 243, 234, .72);
}

.page-home .home-inline-link {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, .5);
}

.page-home .home-inline-link:hover {
  border-bottom-color: var(--orange);
}

.page-home .home-network-figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-left: 4px solid var(--clay);
}

.page-home .home-network-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: .92;
}

/* ---------- 动态 ---------- */
.page-home .home-updates {
  background: var(--cream);
}

.page-home .home-updates-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-home .home-updates-intro .link-more {
  margin-top: 16px;
  display: inline-block;
}

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

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

.page-home .home-update-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  align-items: center;
  gap: 12px;
  padding: 16px 4px;
  text-decoration: none;
  color: var(--ink);
  transition: background .28s var(--ease), padding-left .28s var(--ease);
}

.page-home .home-update-link:hover {
  background: var(--peach);
  padding-left: 12px;
}

.page-home .home-update-text {
  font-size: 14px;
  line-height: 1.7;
}

.page-home .home-update-arrow {
  font-size: 15px;
  color: var(--orange);
  transition: transform .3s var(--ease);
}

.page-home .home-update-link:hover .home-update-arrow {
  transform: translateX(5px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-home .home-lib-cells {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-home .home-scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-scene-main {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: stretch;
  }

  .page-home .home-scene-figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 240px;
  }

  .page-home .home-legacy-grid,
  .page-home .home-updates-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-home .home-lib-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
  }
}

@media (min-width: 1020px) {
  .page-home .home-scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-areas:
      "main main s1"
      "main main s2"
      "s3 wide wide";
  }

  .page-home .home-scene-main { grid-area: main; }
  .page-home .home-scene-s1 { grid-area: s1; }
  .page-home .home-scene-s2 { grid-area: s2; }
  .page-home .home-scene-s3 { grid-area: s3; }
  .page-home .home-scene-wide { grid-area: wide; }

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

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

@media (hover: none) {
  .page-home .home-lib-note {
    opacity: 1;
    color: var(--stone);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-scene-grid .card,
  .page-home .home-toc-link,
  .page-home .home-update-link,
  .page-home .home-caret,
  .page-home .home-update-arrow,
  .page-home .card-arrow {
    transition: none;
  }

  .page-home .home-scene-grid .card:hover,
  .page-home .home-scene-grid .card:hover .card-arrow,
  .page-home .home-update-link:hover .home-update-arrow {
    transform: none;
  }
}