.page-home {
  --home-gap: clamp(18px, 2.6vw, 36px);
  --home-section-pad: clamp(64px, 9vw, 128px);
  display: block;
  background-color: var(--qp-indigo);
  color: var(--qp-paper);
  font-family: var(--qp-font-body);
  overflow-x: hidden;
}

.page-home section[id] {
  scroll-margin-top: 112px;
}

.page-home .home-topics,
.page-home .home-cases,
.page-home .home-flow,
.page-home .home-routes,
.page-home .home-info {
  position: relative;
  padding-top: var(--home-section-pad);
  padding-bottom: var(--home-section-pad);
}

.page-home .home-topics::before,
.page-home .home-cases::before,
.page-home .home-flow::before,
.page-home .home-routes::before,
.page-home .home-info::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
      rgba(231, 178, 76, .75) 0%,
      rgba(242, 118, 74, .45) 38%,
      rgba(70, 192, 174, .5) 72%,
      rgba(70, 192, 174, 0) 100%);
}

.page-home .home-topics { background: var(--qp-indigo); }
.page-home .home-cases { background: linear-gradient(180deg, rgba(18, 24, 56, .88), rgba(10, 14, 42, 1)); }
.page-home .home-flow { background: linear-gradient(180deg, rgba(5, 8, 26, .72), rgba(18, 24, 56, .55)); }
.page-home .home-routes { background: var(--qp-indigo); }
.page-home .home-info { background: linear-gradient(180deg, rgba(18, 24, 56, .9), rgba(5, 8, 26, .92)); }

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding-top: clamp(36px, 5.5vw, 84px);
  padding-bottom: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(880px 520px at 84% -8%, rgba(36, 42, 85, .92), transparent 64%),
    radial-gradient(600px 470px at 2% 108%, rgba(70, 192, 174, .1), transparent 68%),
    linear-gradient(180deg, var(--qp-deep) 0%, var(--qp-indigo) 46%, var(--qp-indigo) 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(166, 163, 192, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(166, 163, 192, .06) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: radial-gradient(120% 82% at 50% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(120% 82% at 50% 0%, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-home .home-hero__eyebrow {
  display: inline-block;
  margin: 20px 0 0;
  padding: 5px 11px;
  border: 1px solid rgba(70, 192, 174, .48);
  background: rgba(70, 192, 174, .08);
  font-family: var(--qp-font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--qp-jade);
}

.page-home .home-hero__title {
  margin: 20px 0 0;
  font-family: var(--qp-font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 6.2vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--qp-paper);
}

.page-home .home-hero__title span {
  display: block;
  color: var(--qp-gold);
}

.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  color: rgba(241, 238, 230, .87);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .home-hero__figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--qp-hairline);
  background: linear-gradient(152deg, rgba(36, 42, 85, .78), rgba(5, 8, 26, .92));
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .home-hero__caption {
  margin-top: 10px;
  font-family: var(--qp-font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--qp-mist);
}

/* ---------- 章节路径 ---------- */
.page-home .home-path {
  position: relative;
  margin-top: clamp(44px, 6vw, 76px);
}

.page-home .home-path__hint {
  margin: 0 0 16px;
  font-family: var(--qp-font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--qp-mist);
}

.page-home .home-path__map {
  position: relative;
  display: grid;
  gap: 10px;
  padding-left: 26px;
}

.page-home .home-path__map::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg,
      rgba(231, 178, 76, .85) 0%,
      rgba(70, 192, 174, .5) 62%,
      rgba(70, 192, 174, 0) 100%);
}

.page-home .home-path__node {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid var(--qp-line);
  border-left: 2px solid rgba(231, 178, 76, .6);
  background: linear-gradient(100deg, rgba(18, 24, 56, .92), rgba(10, 14, 42, .58));
  color: var(--qp-paper);
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.page-home .home-path__node::after {
  content: "";
  position: absolute;
  left: -22px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -4.5px;
  border-radius: 50%;
  background: var(--qp-indigo);
  border: 1px solid var(--qp-gold);
  box-shadow: 0 0 0 4px rgba(10, 14, 42, .95);
}

.page-home .home-path__node:hover,
.page-home .home-path__node:focus-visible {
  border-color: rgba(231, 178, 76, .8);
  background: linear-gradient(100deg, rgba(36, 42, 85, .95), rgba(18, 24, 56, .72));
  transform: translateX(4px);
}

.page-home .home-path__no {
  font-family: var(--qp-font-mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--qp-gold);
}

.page-home .home-path__label {
  font-family: var(--qp-font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
}

.page-home .home-path__meta {
  font-family: var(--qp-font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--qp-mist);
  white-space: nowrap;
}

/* ---------- 01 六个主题 ---------- */
.page-home .home-topics__figure {
  margin: 0 0 clamp(24px, 3vw, 36px);
  padding: 8px;
  border: 1px solid var(--qp-line);
  background: rgba(5, 8, 26, .55);
}

.page-home .home-topics__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .home-topics__figure figcaption {
  margin-top: 10px;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--qp-mist);
}

.page-home .home-topics__tablist {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--qp-line);
  scrollbar-width: thin;
}

.page-home .home-topics__tablist .qp-tabs__tab {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-home .home-topics__panel {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "n" "t" "p" "b";
  gap: 14px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--qp-line);
  border-left: 2px solid rgba(231, 178, 76, .65);
  background: linear-gradient(155deg, rgba(18, 24, 56, .92), rgba(10, 14, 42, .7));
}

.page-home .home-topics__panel[hidden] {
  display: none;
}

.page-home .home-topics__name {
  grid-area: n;
  margin: 0;
  font-family: var(--qp-font-heading);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--qp-paper);
}

.page-home .home-topics__text {
  grid-area: t;
  margin: 0;
  max-width: 40em;
  line-height: 1.85;
  color: rgba(241, 238, 230, .86);
}

.page-home .home-topics__points {
  grid-area: p;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-home .home-topics__points li {
  position: relative;
  padding-left: 20px;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--qp-mist);
}

.page-home .home-topics__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--qp-jade);
}

.page-home .home-topics__panel > .qp-btn {
  grid-area: b;
  justify-self: start;
}

/* ---------- 02 案例速览 ---------- */
.page-home .home-cases__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.page-home .home-cases__figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--qp-hairline);
  background: rgba(5, 8, 26, .6);
}

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

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

.page-home .home-cases__card {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--qp-line);
  background: linear-gradient(160deg, rgba(18, 24, 56, .9), rgba(10, 14, 42, .62));
  transition: border-color .2s ease, background .2s ease;
}

.page-home .home-cases__card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 34px;
  height: 3px;
  background: var(--qp-gold);
}

.page-home .home-cases__card:nth-child(2)::before { background: var(--qp-coral); }
.page-home .home-cases__card:nth-child(3)::before { background: var(--qp-jade); }
.page-home .home-cases__card:nth-child(4)::before { background: var(--qp-gold-soft); }

.page-home .home-cases__card:hover {
  border-color: var(--qp-hairline);
  background: linear-gradient(160deg, rgba(36, 42, 85, .82), rgba(18, 24, 56, .7));
}

.page-home .home-cases__count {
  margin: 14px 0 6px;
  font-family: var(--qp-font-mono);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--qp-gold-soft);
}

.page-home .home-cases__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--qp-mist);
}

.page-home .home-cases__foot {
  margin: clamp(36px, 4vw, 56px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--qp-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--qp-mist);
}

.page-home .home-cases__link {
  color: var(--qp-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 178, 76, .45);
  padding-bottom: 2px;
}

.page-home .home-cases__link:hover,
.page-home .home-cases__link:focus-visible {
  border-bottom-color: var(--qp-gold);
}

/* ---------- 03 收藏 / 导出 / 导入 ---------- */
.page-home .home-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
}

.page-home .home-flow__lede {
  margin: 0;
  max-width: 34em;
  color: rgba(241, 238, 230, .84);
}

.page-home .home-flow__steps {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .home-flow__step {
  padding: 18px 18px 18px 22px;
  border: 1px solid var(--qp-line);
  border-left: 2px solid var(--qp-gold);
  background: rgba(18, 24, 56, .55);
}

.page-home .home-flow__step h3 {
  margin: 0 0 8px;
  font-family: var(--qp-font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--qp-gold);
}

.page-home .home-flow__step p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: rgba(241, 238, 230, .85);
}

.page-home .home-flow__step p.home-flow__where {
  margin-top: 10px;
  font-family: var(--qp-font-mono);
  font-size: .73rem;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--qp-jade);
}

.page-home .home-flow__cta {
  margin-top: 24px;
  justify-self: start;
}

.page-home .home-flow__figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--qp-line);
  background: rgba(5, 8, 26, .6);
}

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

.page-home .home-flow__figure figcaption {
  margin-top: 10px;
  font-family: var(--qp-font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--qp-mist);
}

/* ---------- 04 三条路径 ---------- */
.page-home .home-routes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .home-routes__card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 26px 22px;
  border: 1px solid var(--qp-line);
  background: linear-gradient(155deg, rgba(36, 42, 85, .55), rgba(10, 14, 42, .82));
}

.page-home .home-routes__card:first-child {
  background: linear-gradient(155deg, rgba(36, 42, 85, .78), rgba(18, 24, 56, .75));
  border-color: rgba(231, 178, 76, .38);
}

.page-home .home-routes__no {
  width: fit-content;
  padding: 3px 9px;
  border: 1px solid rgba(231, 178, 76, .42);
  font-family: var(--qp-font-mono);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--qp-gold);
}

.page-home .home-routes__card h3 {
  margin: 0;
  font-family: var(--qp-font-heading);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--qp-paper);
}

.page-home .home-routes__card p {
  margin: 0;
  max-width: 36em;
  line-height: 1.82;
  color: rgba(241, 238, 230, .85);
}

.page-home .home-routes__card > .qp-btn {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 05 站点信息 ---------- */
.page-home .home-info__shell {
  max-width: 62em;
}

.page-home .home-info__list {
  margin: 0;
  border-top: 1px solid var(--qp-line);
}

.page-home .home-info__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--qp-line);
}

.page-home .home-info__row dt {
  font-family: var(--qp-font-label);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--qp-mist);
}

.page-home .home-info__row dd {
  margin: 0;
  font-size: .96rem;
  line-height: 1.7;
  color: var(--qp-paper);
}

.page-home .home-info__row dd.home-info__mono {
  font-family: var(--qp-font-mono);
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--qp-gold);
}

.page-home .home-info__contact {
  margin-top: 28px;
  display: grid;
  gap: 10px;
}

.page-home .home-info__contact .qp-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--qp-line);
  background: rgba(18, 24, 56, .5);
}

.page-home .home-info__contact .qp-contact__key {
  flex: 0 0 auto;
  font-family: var(--qp-font-label);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--qp-mist);
}

.page-home .home-info__contact .qp-contact__val {
  flex: 1 1 auto;
  font-family: var(--qp-font-mono);
  font-size: .9rem;
  letter-spacing: .04em;
  color: var(--qp-paper);
  word-break: break-all;
}

.page-home .home-info__note {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--qp-mist);
}

.page-home .home-info__cta {
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-info__row {
    grid-template-columns: minmax(0, 13em) minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-home .home-topics__tablist {
    flex-wrap: wrap;
    overflow-x: visible;
  }

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

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    column-gap: clamp(32px, 4vw, 60px);
  }

  .page-home .home-hero__figure {
    margin-top: 10px;
  }

  .page-home .home-cases__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    column-gap: clamp(24px, 3vw, 48px);
  }

  .page-home .home-cases__card:nth-child(even) {
    margin-top: 26px;
  }

  .page-home .home-flow__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    column-gap: clamp(28px, 3.6vw, 52px);
  }

  .page-home .home-topics__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    grid-template-areas:
      "n p"
      "t p"
      "b p";
    column-gap: 36px;
  }

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

  .page-home .home-routes__card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1080px) {
  .page-home .home-topics__figure {
    margin-left: auto;
    max-width: 820px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .home-path__node,
  .page-home .home-cases__card {
    transition: none;
  }

  .page-home .home-path__node:hover,
  .page-home .home-path__node:focus-visible {
    transform: none;
  }
}