.page-home {
  --ph-band: clamp(3.5rem, 7vw, 6.5rem);
  background: var(--cy-night);
  color: var(--cy-ice);
  overflow-x: hidden;
}

.page-home .cy-section {
  padding-block: var(--ph-band);
}

/* ============ 首屏 ============ */
.page-home .cy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: min(86vh, 740px);
  padding-top: calc(var(--cy-header-h) + clamp(3rem, 8vw, 6rem));
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  background: var(--cy-night);
}

.page-home .cy-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.page-home .cy-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 46%;
  opacity: .45;
}

.page-home .cy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(92% 72% at 8% 10%, rgba(15, 61, 122, .8), transparent 62%),
    linear-gradient(180deg, rgba(8, 26, 51, .38) 0%, rgba(8, 26, 51, .88) 58%, var(--cy-night) 100%);
}

.page-home .cy-hero__inner {
  display: grid;
  gap: clamp(2.25rem, 6vw, 4rem);
  align-items: end;
}

.page-home .cy-hero__title {
  margin: .75rem 0 1.25rem;
  font-size: var(--cy-display);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: .01em;
  color: var(--cy-ice);
  max-width: 14ch;
}

.page-home .cy-hero__title em {
  font-style: normal;
  color: var(--cy-cyan);
}

.page-home .cy-hero__lead {
  color: var(--cy-mist);
  max-width: 48ch;
}

.page-home .cy-hero__cta {
  margin-top: 1.75rem;
}

.page-home .cy-hero__index {
  display: grid;
  border: 1px solid var(--cy-line);
  border-radius: var(--cy-radius);
  background: var(--cy-glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  box-shadow: var(--cy-shadow);
}

.page-home .cy-hero__index-head {
  margin: 0;
  padding: .85rem 1.1rem;
  font-family: var(--cy-font-mono);
  font-size: var(--cy-index);
  letter-spacing: .18em;
  color: var(--cy-gold);
  background: rgba(200, 169, 106, .08);
  border-bottom: 1px solid var(--cy-line-soft);
}

.page-home .cy-hero__index-link {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding: .9rem 1.1rem;
  min-width: 0;
  color: var(--cy-ice);
  font-size: .9375rem;
  text-decoration: none;
  border-bottom: 1px solid var(--cy-line-soft);
  transition: background var(--cy-dur) var(--cy-ease), color var(--cy-dur) var(--cy-ease);
}

.page-home .cy-hero__index-link:last-child {
  border-bottom: 0;
}

.page-home .cy-hero__index-link::after {
  content: "→";
  margin-left: auto;
  color: var(--cy-mist);
  transition: transform var(--cy-dur) var(--cy-ease), color var(--cy-dur) var(--cy-ease);
}

.page-home .cy-hero__index-link:hover,
.page-home .cy-hero__index-link:focus-visible {
  background: rgba(34, 211, 238, .1);
  color: var(--cy-cyan);
}

.page-home .cy-hero__index-link:hover::after,
.page-home .cy-hero__index-link:focus-visible::after {
  transform: translateX(4px);
  color: var(--cy-cyan);
}

.page-home .cy-hero__index-no {
  font-family: var(--cy-font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--cy-mist);
  transition: color var(--cy-dur) var(--cy-ease);
}

.page-home .cy-hero__index-link:hover .cy-hero__index-no,
.page-home .cy-hero__index-link:focus-visible .cy-hero__index-no {
  color: var(--cy-cyan);
}

/* ============ 四步注册 ============ */
.page-home .cy-signup {
  border-top: 1px solid var(--cy-line-soft);
}

.page-home .cy-signup__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .cy-signup__media {
  margin: 0;
  border-radius: var(--cy-radius-lg);
  overflow: hidden;
  border: 1px solid var(--cy-line);
  background: var(--cy-carbon);
}

.page-home .cy-signup__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-home .cy-signup__intro {
  margin: 1rem 0 1.75rem;
  font-size: var(--cy-body);
  line-height: 1.8;
  color: var(--cy-mist);
  max-width: 56ch;
}

.page-home .cy-signup__steps {
  counter-reset: ph-step;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .cy-step {
  counter-increment: ph-step;
  position: relative;
  padding: 1.4rem 0 1.4rem 3.4rem;
  border-top: 1px solid var(--cy-line-soft);
}

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

.page-home .cy-step::before {
  content: "0" counter(ph-step);
  position: absolute;
  left: 0;
  top: 1.4rem;
  font-family: var(--cy-font-mono);
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: var(--cy-cyan);
}

.page-home .cy-step__title {
  margin: 0 0 .35rem;
  font-size: var(--cy-h3);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--cy-ice);
}

.page-home .cy-step__text {
  margin: 0;
  font-size: var(--cy-body);
  line-height: 1.78;
  color: var(--cy-mist);
  max-width: 52ch;
}

.page-home .cy-signup__note {
  margin: 1.5rem 0 0;
  font-family: var(--cy-font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--cy-mist);
}

/* ============ 账户中心 ============ */
.page-home .cy-console__board {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding: clamp(1.25rem, 3vw, 2.25rem);
  border: 1px solid var(--cy-line);
  border-radius: var(--cy-radius-lg);
  background:
    linear-gradient(158deg, rgba(27, 42, 85, .85) 0%, rgba(15, 61, 122, .28) 52%, rgba(11, 13, 16, .88) 100%);
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
}

.page-home .cy-console__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
}

.page-home .cy-console__stats .cy-stat {
  display: grid;
  gap: .45rem;
  padding-top: .95rem;
  border-top: 1px solid var(--cy-line);
}

.page-home .cy-console__stats .cy-stat__num {
  font-family: var(--cy-font-mono);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  line-height: 1;
  color: var(--cy-gold);
  letter-spacing: .01em;
}

.page-home .cy-console__stats .cy-stat__label {
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--cy-mist);
}

.page-home .cy-console__records {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--cy-line-soft);
  border: 1px solid var(--cy-line);
  border-radius: var(--cy-radius);
  overflow: hidden;
}

.page-home .cy-console__record {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1.25rem 1.15rem;
  background: var(--cy-glass-bg-hi);
  transition: background var(--cy-dur) var(--cy-ease);
}

.page-home .cy-console__record:hover {
  background: rgba(34, 211, 238, .07);
}

.page-home .cy-console__record-title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--cy-ice);
}

.page-home .cy-console__record-text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--cy-mist);
}

.page-home .cy-console__record .cy-tag {
  margin-top: auto;
  align-self: flex-start;
}

.page-home .cy-console__foot {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  padding-top: 1.25rem;
  border-top: 1px solid var(--cy-line);
}

.page-home .cy-console__foot-text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--cy-mist);
}

/* ============ V4 导航 ============ */
.page-home .cy-v4 {
  background:
    linear-gradient(180deg, rgba(27, 42, 85, .5) 0%, rgba(8, 26, 51, 0) 42%);
  border-top: 1px solid var(--cy-line-soft);
}

.page-home .cy-v4__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-home .cy-v4__intro {
  margin: 1rem 0 1.75rem;
  font-size: var(--cy-body);
  line-height: 1.8;
  color: var(--cy-mist);
  max-width: 52ch;
}

.page-home .cy-v4__paths {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--cy-line-soft);
  border: 1px solid var(--cy-line);
  border-radius: var(--cy-radius);
  overflow: hidden;
}

.page-home .cy-v4__path {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.15rem 1.15rem;
  background: var(--cy-glass-bg);
}

.page-home .cy-v4__path .cy-tag {
  flex: 0 0 auto;
  margin-top: .15rem;
}

.page-home .cy-v4__path-title {
  margin: 0 0 .3rem;
  font-family: var(--cy-font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--cy-ice);
}

.page-home .cy-v4__path-text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--cy-mist);
}

.page-home .cy-v4__media {
  margin: 0;
  border-radius: var(--cy-radius-lg);
  overflow: hidden;
  border: 1px solid var(--cy-line);
  background: var(--cy-carbon);
  box-shadow: var(--cy-shadow);
}

.page-home .cy-v4__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* ============ 检索与收藏 ============ */
.page-home .cy-find__grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .cy-find__panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.35rem, 3vw, 2.25rem);
}

.page-home .cy-find__panel--fav {
  background:
    linear-gradient(160deg, rgba(200, 169, 106, .14), rgba(21, 26, 34, .82));
  border-color: rgba(200, 169, 106, .3);
}

.page-home .cy-find__title {
  margin: 0;
  font-size: var(--cy-h3);
  font-weight: 600;
  line-height: 1.4;
  color: var(--cy-ice);
}

.page-home .cy-find__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--cy-mist);
  max-width: 52ch;
}

.page-home .cy-find__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-home .cy-find__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  padding-top: .25rem;
}

.page-home .cy-find__meta-no {
  font-family: var(--cy-font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--cy-gold);
}

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

.page-home .cy-find__hint {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--cy-mist);
}

/* ============ 城市观察与可信信息 ============ */
.page-home .cy-city {
  border-top: 1px solid var(--cy-line-soft);
}

.page-home .cy-city__intro {
  max-width: 62ch;
}

.page-home .cy-city__intro .cy-lead {
  color: var(--cy-mist);
}

.page-home .cy-city__band {
  position: relative;
  isolation: isolate;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  border: 1px solid var(--cy-line);
  border-radius: var(--cy-radius-lg);
  overflow: hidden;
  background: var(--cy-carbon);
}

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

.page-home .cy-city__overlay {
  display: grid;
  gap: 1rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  background: linear-gradient(180deg, rgba(11, 13, 16, .55) 0%, rgba(8, 26, 51, .96) 100%);
}

.page-home .cy-city__figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
}

.page-home .cy-city__figure {
  display: grid;
  gap: .3rem;
  padding-top: .85rem;
  border-top: 1px solid rgba(234, 242, 255, .18);
}

.page-home .cy-city__figure-num {
  font-family: var(--cy-font-mono);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1;
  color: var(--cy-gold);
}

.page-home .cy-city__figure-label {
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--cy-mist);
}

.page-home .cy-city__note {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--cy-ice);
  max-width: 56ch;
}

.page-home .cy-city__overlay .cy-btn {
  justify-self: start;
}

.page-home .cy-city__trust {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--cy-line-soft);
  border: 1px solid var(--cy-line);
  border-radius: var(--cy-radius);
  overflow: hidden;
}

.page-home .cy-city__trust-item {
  padding: 1.25rem 1.15rem;
  background: var(--cy-glass-bg);
}

.page-home .cy-city__trust-head {
  margin: 0 0 .45rem;
  font-family: var(--cy-font-mono);
  font-size: var(--cy-index);
  letter-spacing: .16em;
  color: var(--cy-cyan);
}

.page-home .cy-city__trust-body {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--cy-mist);
}

.page-home .cy-city__more {
  margin: clamp(1.75rem, 4vw, 2.25rem) 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--cy-mist);
}

.page-home .cy-city__more-link {
  color: var(--cy-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .45);
  transition: border-color var(--cy-dur) var(--cy-ease), color var(--cy-dur) var(--cy-ease);
}

.page-home .cy-city__more-link:hover,
.page-home .cy-city__more-link:focus-visible {
  color: var(--cy-ice);
  border-bottom-color: var(--cy-ice);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-home .cy-console__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  .page-home .cy-console__foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 900px) {
  .page-home .cy-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 312px);
  }

  .page-home .cy-signup__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-home .cy-signup__media {
    position: sticky;
    top: calc(var(--cy-header-h) + 1.5rem);
  }

  .page-home .cy-v4__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-home .cy-find__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-home .cy-city__band > img {
    aspect-ratio: 16 / 9;
  }

  .page-home .cy-city__overlay {
    position: absolute;
    inset: auto 0 0 0;
    background: linear-gradient(180deg, rgba(11, 13, 16, 0) 0%, rgba(8, 26, 51, .94) 46%, rgba(8, 26, 51, .98) 100%);
  }
}

@media (min-width: 1080px) {
  .page-home .cy-console__records {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 520px) {
  .page-home .cy-hero__title {
    max-width: none;
  }

  .page-home .cy-hero__index-link {
    font-size: .875rem;
    padding: .8rem .95rem;
  }

  .page-home .cy-step {
    padding-left: 2.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cy-hero__index-link,
  .page-home .cy-hero__index-link::after,
  .page-home .cy-console__record,
  .page-home .cy-city__more-link {
    transition: none;
  }
}