.page-home {
  --h-gutter: clamp(20px, 4vw, 48px);
  --h-gap: clamp(64px, 9vw, 104px);
  --h-radius: 2px;
  display: block;
  overflow-x: hidden;
  color: var(--silver);
  background:
    radial-gradient(120% 70% at 82% 0%, rgba(200, 145, 58, .08), transparent 62%),
    var(--c-base);
}

/* ---------- 首屏分屏 ---------- */
.page-home .hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(34px, 6vw, 72px) var(--h-gutter) 0;
}

@media (min-width: 960px) {
  .page-home .hero {
    grid-template-columns: minmax(0, 55fr) minmax(0, 45fr);
    align-items: center;
    gap: clamp(32px, 4vw, 64px);
    padding-bottom: clamp(48px, 6vw, 76px);
    min-height: 76vh;
  }
}

.page-home .hero-narrative {
  max-width: 640px;
}

.page-home .hero-crumb {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--silver-dim);
}

.page-home .hero-crumb .crumb-sep {
  color: var(--gold);
  margin: 0 8px;
}

.page-home .hero-coord {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-home .hero-coord::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold);
  flex: none;
}

.page-home .hero h1 {
  margin: 0 0 22px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.16;
  letter-spacing: .04em;
  color: var(--silver);
}

.page-home .lede {
  margin: 0 0 28px;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.85;
  color: #b9c5d8;
}

.page-home .hero-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 30px;
}

@media (min-width: 560px) {
  .page-home .hero-steps {
    grid-template-columns: 1fr 1fr;
  }
}

.page-home .hero-step {
  position: relative;
  padding: 15px 16px 15px 20px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--h-radius);
}

.page-home .hero-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--gold);
}

.page-home .hero-step-num {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--gold-soft);
  margin-bottom: 8px;
}

.page-home .hero-step-title {
  margin: 0 0 6px;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--silver);
}

.page-home .hero-step-desc {
  margin: 0;
  font-family: var(--serif);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver-dim);
}

.page-home .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 首屏右侧路径可视化 ---------- */
.page-home .hero-visual {
  position: relative;
  min-height: clamp(320px, 54vw, 540px);
  border: 1px solid var(--glass-line);
  border-radius: var(--h-radius);
  overflow: hidden;
  background: linear-gradient(155deg, var(--c-deep) 0%, var(--c-panel) 55%, var(--c-base) 100%);
}

.page-home .hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
}

.page-home .path-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.page-home .path-svg .svg-grid line {
  stroke: var(--ridge);
  stroke-width: .5;
  opacity: .22;
}

.page-home .path-svg .svg-contours path {
  fill: none;
  stroke: var(--ridge);
  stroke-width: 1;
  opacity: .5;
}

.page-home .path-svg .route-seg {
  fill: none;
  stroke: var(--gold);
  stroke-width: 2;
  stroke-dasharray: 10 8;
  opacity: .6;
  transition: opacity .22s var(--ease), stroke-width .22s var(--ease), stroke-dasharray .22s var(--ease);
}

.page-home .path-svg .route-seg:hover {
  opacity: 1;
  stroke-width: 3.5;
}

.page-home .path-svg .route-node {
  fill: var(--gold-soft);
  stroke: var(--c-deep);
  stroke-width: 2;
}

.page-home .path-svg .route-node--mid {
  fill: var(--cinnabar);
}

@media (prefers-reduced-motion: no-preference) {
  .page-home .path-svg .route-seg {
    animation: home-route-flow 9s linear infinite;
  }

  @keyframes home-route-flow {
    from { stroke-dashoffset: 0; }
    to { stroke-dashoffset: -144; }
  }
}

.page-home .hero-legend {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 11px 14px;
  list-style: none;
  background: rgba(10, 18, 32, .74);
  border: 1px solid var(--glass-line);
  border-radius: var(--h-radius);
}

.page-home .hero-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--silver-dim);
}

.page-home .hero-dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
}

.page-home .hero-dot--gold { background: var(--gold); }
.page-home .hero-dot--ridge { background: var(--ridge); }
.page-home .hero-dot--silver { background: var(--silver-dim); }

/* ---------- 通用区块 ---------- */
.page-home .section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--h-gap) var(--h-gutter) 0;
}

.page-home .section--tight {
  padding-top: clamp(48px, 6vw, 72px);
}

.page-home .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 26px;
}

.page-home .section-num {
  flex: none;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  letter-spacing: .045em;
  color: var(--silver);
}

.page-home .section-rule {
  flex: 1 1 auto;
  min-width: 40px;
  height: 1px;
  align-self: center;
  background: linear-gradient(90deg, var(--gold-dim), transparent);
}

.page-home .media-frame {
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--h-radius);
  background: var(--c-panel);
}

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

.page-home .media-frame--4x3 { aspect-ratio: 4 / 3; }
.page-home .media-frame--1x1 { aspect-ratio: 1 / 1; }

/* ---------- 内容目录 ---------- */
.page-home .catalog-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-bottom: 34px;
}

@media (min-width: 900px) {
  .page-home .catalog-top {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
    align-items: end;
    gap: 44px;
  }
}

.page-home .catalog-lede {
  margin-bottom: 0;
}

.page-home .catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 680px) {
  .page-home .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .catalog-card {
  position: relative;
  padding: 20px 20px 20px 24px;
  background: var(--c-panel);
  border: 1px solid var(--hairline);
  border-radius: var(--h-radius);
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-home .catalog-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gold);
  opacity: .55;
  transition: opacity .22s var(--ease);
}

.page-home .catalog-card:hover,
.page-home .catalog-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(200, 145, 58, .55);
  background: var(--c-panel-soft);
}

.page-home .catalog-card:hover::before,
.page-home .catalog-card:focus-within::before {
  opacity: 1;
}

.page-home .card-title {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .03em;
  color: var(--silver);
}

.page-home .card-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-home .card-list li {
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--silver-dim);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--h-radius);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .catalog-card:hover .card-list li,
.page-home .catalog-card:focus-within .card-list li {
  color: var(--gold-soft);
  border-color: var(--gold-dim);
}

.page-home .card-desc {
  margin: 0;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver-dim);
}

.page-home .catalog-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 28px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-home .stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-home .stat-value {
  font-family: var(--mono);
  font-size: 24px;
  letter-spacing: .02em;
  color: var(--gold-soft);
}

.page-home .stat-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver-dim);
}

/* ---------- 路径机制通栏 ---------- */
.page-home .route-band {
  position: relative;
  margin-top: var(--h-gap);
  overflow: hidden;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--c-deep);
}

.page-home .route-band-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
}

.page-home .route-inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 84px) var(--h-gutter);
}

.page-home .route-lede {
  max-width: 720px;
  margin: 0 0 32px;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.85;
  color: #b9c5d8;
}

.page-home .route-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 820px) {
  .page-home .route-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-home .route-step {
  position: relative;
  padding: 24px 22px 26px;
  background: rgba(16, 28, 51, .84);
  border: 1px solid var(--glass-line);
  border-radius: var(--h-radius);
  transition: border-color .22s var(--ease);
}

.page-home .route-step::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(200, 145, 58, 0));
}

.page-home .route-step:hover {
  border-color: rgba(200, 145, 58, .5);
}

.page-home .route-step-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-home .route-step h3 {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--silver);
}

.page-home .route-step p {
  margin: 0;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver-dim);
}

/* ---------- 修订规格 ---------- */
.page-home .revision-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-home .revision-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 48px;
    align-items: start;
  }
}

.page-home .revision-copy .lede {
  margin-bottom: 26px;
}

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

.page-home .revision-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-home .rev-key {
  min-width: 88px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--silver-dim);
}

.page-home .rev-val {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--silver);
}

.page-home .revision-panel {
  padding: 24px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--h-radius);
}

.page-home .panel-caption {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--gold);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gold-dim);
}

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

.page-home .panel-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-home .panel-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .panel-key {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--silver-dim);
}

.page-home .panel-val {
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 适用场景 ---------- */
.page-home .scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 760px) {
  .page-home .scenario-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-home .scenario-card {
  position: relative;
  padding: 26px 22px 28px;
  background: linear-gradient(180deg, var(--c-panel) 0%, rgba(27, 44, 74, .55) 100%);
  border: 1px solid var(--hairline);
  border-radius: var(--h-radius);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-home .scenario-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 145, 58, .5);
}

.page-home .scenario-index {
  display: block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 30px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-dim);
}

.page-home .scenario-card h3 {
  margin: 0 0 12px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--silver);
}

.page-home .scenario-card p {
  margin: 0;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver-dim);
}

/* ---------- 服务与支持 ---------- */
.page-home .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-home .support-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 48px;
    align-items: center;
  }
}

.page-home .support-copy .lede {
  margin-bottom: 24px;
}

.page-home .support-list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-home .support-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 0 13px 18px;
  border-top: 1px solid var(--hairline);
  position: relative;
}

.page-home .support-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

.page-home .sup-key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-soft);
}

.page-home .sup-val {
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--silver-dim);
}

.page-home .support-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .support-figure {
  border-color: var(--glass-line);
}

/* ---------- 信任条 ---------- */
.page-home .trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-home .trust-item:not(:last-child)::after {
  content: "";
  width: 5px;
  height: 5px;
  margin-left: 18px;
  background: var(--cinnabar);
}

.page-home .trust-key {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--silver-dim);
}

.page-home .trust-val {
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--silver);
}

.page-home .trust-note {
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--silver-dim);
}

.page-home .trust-note a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dim);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-home .trust-note a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 焦点与键盘可达 ---------- */
.page-home a:focus-visible,
.page-home article:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .catalog-card,
  .page-home .scenario-card,
  .page-home .route-step,
  .page-home .path-svg .route-seg,
  .page-home .trust-note a {
    transition: none;
    animation: none;
  }

  .page-home .catalog-card:hover,
  .page-home .scenario-card:hover {
    transform: none;
  }
}