.page-home {
  --home-line: rgba(217, 196, 138, .28);
  --home-glow: rgba(242, 169, 59, .16);
  --home-shadow: 6px 6px 0 rgba(7, 18, 31, .65);
  background: var(--night);
  color: var(--foam);
}

.page-home .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-home .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .section-lead {
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.75rem, 5vw, 3.25rem) clamp(2.5rem, 7vw, 5rem);
  border-bottom: 2px solid var(--edge);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -8%;
  width: min(76%, 840px);
  height: 124%;
  background: radial-gradient(58% 52% at 62% 16%, var(--home-glow), transparent 68%);
  pointer-events: none;
}

.page-home .home-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .6rem;
  margin: 0 0 1.25rem;
}

.page-home .home-context-note {
  font-family: var(--font-nav);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--haze);
}

.page-home .home-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-head);
  font-size: clamp(2.7rem, 8.4vw, 6.2rem);
  font-weight: 900;
  line-height: .99;
  letter-spacing: -.02em;
  color: var(--foam);
}

.page-home .home-title-glow {
  color: var(--amber);
  text-shadow: 0 0 42px rgba(242, 169, 59, .38);
}

.page-home .home-lead {
  max-width: 34ch;
  margin: 0;
  padding-left: 1rem;
  border-left: 2px solid var(--amber);
  color: var(--haze);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.85;
}

.page-home .home-hero-figure {
  aspect-ratio: 16 / 10;
}

.page-home .home-hero-figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .5rem .85rem;
  background: var(--abyss);
  border-top: 2px solid var(--amber);
  border-right: 2px solid var(--amber);
  font-family: var(--font-nav);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--sand);
}

/* 纵向灯路 */
.page-home .home-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-home .home-rail-item {
  position: relative;
}

.page-home .home-rail-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.45rem;
  top: 100%;
  width: 2px;
  height: .85rem;
  background: linear-gradient(to bottom, var(--sand), transparent);
}

.page-home .home-rail-link {
  display: grid;
  grid-template-columns: 2.9rem minmax(0, 1fr);
  align-items: center;
  gap: .2rem .9rem;
  padding: .95rem 1.1rem;
  border: 2px solid var(--edge);
  background: var(--deep);
  box-shadow: var(--home-shadow);
  text-decoration: none;
  color: var(--foam);
  transition: border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}

.page-home .home-rail-link:hover,
.page-home .home-rail-link:focus-visible {
  border-color: var(--amber);
  background: #14305A;
  transform: translate(2px, -2px);
}

.page-home .home-rail-index {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border: 2px solid var(--sand);
  background: rgba(242, 169, 59, .08);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--amber);
}

.page-home .home-rail-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: .02em;
}

.page-home .home-rail-note {
  color: var(--haze);
  font-size: .84rem;
  line-height: 1.55;
}

/* ---------- 三步详情 ---------- */
.page-home .home-rail-figure {
  width: min(100%, 720px);
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem) auto;
  aspect-ratio: 5 / 3;
}

.page-home .home-rail-figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .45rem .8rem;
  background: var(--abyss);
  border-top: 2px solid var(--sand);
  border-right: 2px solid var(--sand);
  font-family: var(--font-nav);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--sand);
}

.page-home .home-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 2px solid var(--edge);
  scroll-margin-top: 96px;
}

.page-home .home-step:last-child {
  border-bottom: 2px solid var(--edge);
}

.page-home .home-step-aside {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.page-home .home-step-num {
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 5vw, 2.9rem);
  font-weight: 900;
  line-height: 1;
  color: var(--amber);
}

.page-home .home-step-body h3 {
  margin: 0 0 .6rem;
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.35;
  color: var(--foam);
}

.page-home .home-step-body p,
.page-home .home-update-body p,
.page-home .home-pack-body p,
.page-home .home-line > p,
.page-home .home-trust-copy > p {
  color: var(--haze);
  line-height: 1.85;
  margin: 0 0 1rem;
}

.page-home .home-points {
  list-style: none;
  margin: 1rem 0 1.25rem;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-home .home-points li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--haze);
  font-size: .94rem;
  line-height: 1.7;
}

.page-home .home-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: .5rem;
  height: .5rem;
  background: var(--amber);
  box-shadow: 0 0 8px rgba(242, 169, 59, .5);
}

/* ---------- 通用左右分栏 ---------- */
.page-home .home-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

/* ---------- 维护节点 ---------- */
.page-home .home-date {
  margin: .75rem 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.1rem);
  font-weight: 800;
  line-height: 1;
  color: var(--foam);
}

.page-home .home-date span {
  color: var(--amber);
}

.page-home .home-update-figure {
  margin-top: 1.5rem;
  aspect-ratio: 4 / 3;
}

.page-home .home-update-figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .45rem .8rem;
  background: var(--abyss);
  border-top: 2px solid var(--signal);
  border-right: 2px solid var(--signal);
  font-family: var(--font-nav);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--foam);
}

.page-home .home-log {
  margin: 0 0 1.25rem;
  border: 2px solid var(--edge);
  background: var(--abyss);
  box-shadow: var(--home-shadow);
}

.page-home .home-log summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  font-family: var(--font-nav);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .03em;
  color: var(--amber);
  list-style: none;
}

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

.page-home .home-log summary::after {
  content: "+";
  font-size: 1.15rem;
  line-height: 1;
  color: var(--sand);
}

.page-home .home-log[open] summary::after {
  content: "−";
}

.page-home .home-log-body {
  padding: 0 1.15rem 1.15rem;
  border-top: 2px solid var(--edge);
}

.page-home .home-log-body .home-points {
  margin-bottom: 0;
}

.page-home .home-update-link {
  font-size: .93rem;
}

.page-home .home-update-link a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
}

.page-home .home-update-link a:hover,
.page-home .home-update-link a:focus-visible {
  color: var(--focus);
  border-bottom-color: var(--focus);
}

/* ---------- 大屏资料 ---------- */
.page-home .home-pack-figure {
  aspect-ratio: 16 / 9;
}

.page-home .home-pack-body .btn {
  margin-top: .25rem;
}

.page-home .home-pack-figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .45rem .8rem;
  background: var(--abyss);
  border-top: 2px solid var(--sand);
  border-right: 2px solid var(--sand);
  font-family: var(--font-nav);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--sand);
}

/* ---------- 案例与产品线 ---------- */
.page-home .home-lines-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 1.75rem);
}

.page-home .home-line {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 2px solid var(--edge);
  box-shadow: var(--home-shadow);
}

.page-home .home-line--case {
  background: linear-gradient(160deg, var(--deep), var(--night));
}

.page-home .home-line--product {
  background: var(--abyss);
}

.page-home .home-line h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--foam);
}

.page-home .home-product-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
}

.page-home .home-product-list li {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: .9rem;
  padding: .85rem 0;
  border-top: 1px solid var(--edge);
}

.page-home .home-product-list li:first-child {
  border-top: 2px solid var(--sand);
}

.page-home .home-product-index {
  padding-top: .2rem;
  font-family: var(--font-nav);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-home .home-product-name {
  display: block;
  margin-bottom: .15rem;
  font-weight: 700;
  color: var(--foam);
}

.page-home .home-product-desc {
  display: block;
  color: var(--haze);
  font-size: .89rem;
  line-height: 1.65;
}

/* ---------- 信任说明 ---------- */
.page-home .home-trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3.5rem);
  align-items: start;
}

.page-home .home-team {
  list-style: none;
  margin: 1.25rem 0 1.25rem;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-home .home-team li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: .45rem;
  border-bottom: 1px dashed var(--home-line);
  font-size: .93rem;
  color: var(--haze);
}

.page-home .home-team li strong {
  font-family: var(--font-nav);
  font-weight: 700;
  color: var(--amber);
}

.page-home .home-trust-note {
  font-size: .9rem;
  line-height: 1.8;
  color: var(--haze);
  padding-left: 1rem;
  border-left: 2px solid var(--edge);
}

.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  border: 2px solid var(--edge);
  background: var(--edge);
  box-shadow: var(--home-shadow);
}

.page-home .home-stat {
  padding: 1.15rem 1rem;
  background: var(--deep);
}

.page-home .home-stat-num {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.4vw, 2.45rem);
  line-height: 1.05;
  color: var(--amber);
}

.page-home .home-stat-num small {
  margin-left: .12rem;
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 700;
  color: var(--sand);
}

.page-home .home-stat-label {
  display: block;
  margin-top: .4rem;
  font-size: .79rem;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--haze);
}

/* ---------- 下一步 ---------- */
.page-home .home-next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .home-next-card {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1.4rem;
  border: 2px solid var(--edge);
  background: var(--deep);
  box-shadow: var(--home-shadow);
}

.page-home .home-next-card--primary {
  border-color: var(--amber);
  background: linear-gradient(150deg, #1B3A63, var(--deep));
}

.page-home .home-next-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--foam);
}

.page-home .home-next-card p {
  margin: 0;
  color: var(--haze);
  font-size: .92rem;
  line-height: 1.75;
}

.page-home .home-next-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.page-home .home-next-card a:focus-visible,
.page-home .home-rail-link:focus-visible,
.page-home .home-line a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

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

@media (min-width: 780px) {
  .page-home .home-step {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 2.75rem);
  }

  .page-home .home-step-aside {
    flex-direction: column;
    align-items: flex-start;
    gap: .65rem;
  }

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

@media (min-width: 900px) {
  .page-home .home-hero-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    column-gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-home .home-hero-copy {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .home-rail {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: start;
  }

  .page-home .home-hero-figure {
    grid-column: 2;
    grid-row: 2;
  }

  .page-home .home-split {
    grid-template-columns: minmax(0, .58fr) minmax(0, 1fr);
  }

  .page-home .home-pack .home-pack-figure {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .home-pack .home-pack-body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .home-lines-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-home .home-trust-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-home .home-stats {
    position: sticky;
    top: 96px;
  }
}