.page-home {
  --edge: clamp(18px, 4.5vw, 48px);
  --stack: clamp(56px, 8vw, 104px);
  --line-dark: rgba(159, 242, 233, 0.14);
  --line-light: rgba(124, 157, 176, 0.3);
  --ink-soft: rgba(8, 19, 26, 0.72);
  --ink-mute: rgba(244, 247, 246, 0.76);

  display: block;
  background: var(--paper-50);
  color: var(--ink-900);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: clip;
}

.page-home .wrap {
  width: min(100% - (var(--edge) * 2), var(--shell-max));
  margin-inline: auto;
}

.page-home .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 220ms var(--ease-out),
    border-color 220ms var(--ease-out),
    color 220ms var(--ease-out),
    transform 220ms var(--ease-out);
}

.page-home .btn-coral {
  background: var(--coral-500);
  color: #ffffff;
}

.page-home .btn-coral:hover,
.page-home .btn-coral:focus-visible {
  background: var(--coral-700);
  transform: translateY(-1px);
}

.page-home .btn-outline {
  background: transparent;
  border-color: var(--mist-200);
  color: var(--ink-900);
}

.page-home .btn-outline:hover,
.page-home .btn-outline:focus-visible {
  border-color: var(--coral-500);
  color: var(--coral-700);
}

.page-home a:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-block: clamp(44px, 7vw, 88px) clamp(52px, 8vw, 96px);
  background: linear-gradient(168deg, var(--deep-900) 0%, var(--deep-700) 68%, var(--deep-900) 100%);
  color: var(--paper-50);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.7;
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-400), transparent);
  opacity: 0.55;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  width: min(100% - (var(--edge) * 2), var(--shell-max));
  margin-inline: auto;
}

.page-home .hero-rail {
  display: none;
}

.page-home .page-context {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan-200);
  text-transform: uppercase;
}

.page-home .hero-copy h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 6.4vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: #ffffff;
  text-wrap: balance;
}

.page-home .hero-lead {
  margin: 0 0 clamp(24px, 3vw, 34px);
  max-width: 56ch;
  font-size: clamp(0.96rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--ink-mute);
}

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

.page-home .hero-actions .btn-outline {
  border-color: rgba(159, 242, 233, 0.45);
  color: var(--cyan-200);
}

.page-home .hero-actions .btn-outline:hover,
.page-home .hero-actions .btn-outline:focus-visible {
  background: rgba(47, 216, 198, 0.14);
  border-color: var(--cyan-400);
  color: #ffffff;
}

.page-home .hero-art {
  position: relative;
  margin: 0;
  align-self: start;
}

.page-home .hero-art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(159, 242, 233, 0.3);
  box-shadow: 8px 8px 0 rgba(47, 216, 198, 0.14);
}

.page-home .hero-cap {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: rgba(159, 242, 233, 0.7);
}

@media (min-width: 900px) {
  .page-home .hero-inner {
    grid-template-columns: 76px minmax(0, 1fr) minmax(0, 0.82fr);
    grid-template-areas: "rail copy art";
    column-gap: clamp(24px, 3vw, 52px);
    align-items: start;
  }

  .page-home .hero-rail {
    grid-area: rail;
    display: flex;
    flex-direction: column;
    gap: 26px;
    align-self: stretch;
    padding-right: 16px;
    border-right: 1px solid var(--line-dark);
  }

  .page-home .hero-tick {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--cyan-200);
  }

  .page-home .hero-tick::before {
    content: "";
    width: 14px;
    height: 1px;
    background: var(--cyan-400);
  }

  .page-home .hero-copy {
    grid-area: copy;
  }

  .page-home .hero-art {
    grid-area: art;
    margin-top: 10px;
    margin-right: calc(var(--edge) * -0.5);
  }

  .page-home .hero-art::after {
    content: "";
    position: absolute;
    inset: 16px -16px -16px 16px;
    border: 1px solid rgba(47, 216, 198, 0.38);
    pointer-events: none;
    z-index: -1;
  }
}

/* ---------- 通用区块头 ---------- */
.page-home .band {
  position: relative;
  padding-block: var(--stack);
}

.page-home .band--light {
  background: var(--paper-50);
  color: var(--ink-900);
}

.page-home .band-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-home .band-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--coral-700);
}

.page-home .band-index::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
}

.page-home .band-title {
  margin: 0 0 12px;
  font-size: clamp(1.55rem, 3.6vw, 2.45rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: inherit;
  text-wrap: balance;
}

.page-home .band-note {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 目录卡片 ---------- */
.page-home .catalog-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 24px);
}

.page-home .cat-card {
  position: relative;
  display: block;
  padding: clamp(22px, 3vw, 30px);
  background: #ffffff;
  border: 1px solid var(--mist-200);
  box-shadow: 5px 5px 0 rgba(217, 230, 234, 0.9);
  color: inherit;
  text-decoration: none;
  transition: transform 260ms var(--ease-out),
    box-shadow 260ms var(--ease-out),
    border-color 260ms var(--ease-out);
}

.page-home .cat-card:hover,
.page-home .cat-card:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--cyan-400);
  box-shadow: 9px 9px 0 rgba(47, 216, 198, 0.3);
}

.page-home .cat-num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--coral-700);
}

.page-home .cat-name {
  margin: 0 0 10px;
  font-size: clamp(1.08rem, 2vw, 1.32rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-home .cat-desc {
  margin: 0 0 18px;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-home .cat-go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--coral-700);
}

.page-home .cat-go::after {
  content: "→";
  transition: transform 240ms var(--ease-out);
}

.page-home .cat-card:hover .cat-go::after,
.page-home .cat-card:focus-visible .cat-go::after {
  transform: translateX(5px);
}

@media (min-width: 720px) {
  .page-home .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-bottom: 20px;
  }

  .page-home .cat-card:nth-child(2n) {
    margin-top: 20px;
  }
}

/* ---------- 两栏滑轨 ---------- */
.page-home .band--indigo {
  background: var(--indigo-600);
  color: var(--paper-50);
}

.page-home .band--indigo .band-index {
  color: var(--cyan-400);
}

.page-home .band--indigo .band-title {
  color: #ffffff;
}

.page-home .band--indigo .band-note {
  color: rgba(244, 247, 246, 0.76);
}

.page-home .lanes {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 82%);
  gap: clamp(14px, 2vw, 22px);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding-bottom: 20px;
  margin-inline: calc(var(--edge) * -1);
  padding-inline: var(--edge);
  scrollbar-width: thin;
}

.page-home .lanes::-webkit-scrollbar {
  height: 6px;
}

.page-home .lanes::-webkit-scrollbar-track {
  background: rgba(159, 242, 233, 0.12);
}

.page-home .lanes::-webkit-scrollbar-thumb {
  background: var(--cyan-400);
  border-radius: 3px;
}

.page-home .lane {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 236px;
  margin: 0;
  padding: clamp(22px, 3vw, 30px);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(159, 242, 233, 0.24);
}

.page-home .lane--visual {
  justify-content: flex-start;
  gap: 0;
  padding: 0;
  background: transparent;
  border-color: transparent;
  min-height: 0;
}

.page-home .lane--visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid rgba(159, 242, 233, 0.32);
}

.page-home .lane-cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: rgba(159, 242, 233, 0.72);
}

.page-home .lane-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan-200);
  border: 1px solid rgba(159, 242, 233, 0.36);
}

.page-home .lane-name {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-home .lane-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(244, 247, 246, 0.78);
}

@media (min-width: 900px) {
  .page-home .lanes {
    grid-auto-columns: minmax(300px, 1fr);
    margin-inline: 0;
    padding-inline: 0;
  }
}

/* ---------- 顶部栏结构 ---------- */
.page-home .topbar-map {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  background: var(--mist-200);
  border: 1px solid var(--mist-200);
}

.page-home .topbar-map > li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: #ffffff;
}

.page-home .topbar-map > li.is-key {
  background: rgba(255, 107, 74, 0.07);
  box-shadow: inset 0 3px 0 var(--coral-500);
}

.page-home .strip-idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--grid-400);
}

.page-home .topbar-map > li.is-key .strip-idx {
  color: var(--coral-700);
}

.page-home .strip-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-home .strip-note {
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-home .strip-figure {
  margin: 0;
}

.page-home .strip-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--mist-200);
  box-shadow: 6px 6px 0 rgba(217, 230, 234, 0.9);
}

.page-home .strip-cap {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--grid-400);
}

@media (min-width: 760px) {
  .page-home .topbar-map {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 三步路径 ---------- */
.page-home .band--deep {
  background: var(--deep-700);
  color: var(--paper-50);
}

.page-home .band--deep .band-index {
  color: var(--cyan-400);
}

.page-home .band--deep .band-title {
  color: #ffffff;
}

.page-home .band--deep .band-note {
  color: rgba(244, 247, 246, 0.78);
}

.page-home .steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 28px);
}

.page-home .step {
  position: relative;
  padding: clamp(22px, 3vw, 28px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(159, 242, 233, 0.24);
}

.page-home .step-num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-home .step-name {
  margin: 0 0 10px;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-home .step-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(244, 247, 246, 0.78);
}

.page-home .path-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-home .path-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid rgba(159, 242, 233, 0.28);
}

.page-home .path-cap {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: rgba(159, 242, 233, 0.72);
}

.page-home .path-cta {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
}

@media (min-width: 860px) {
  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 44px;
    right: calc(clamp(16px, 2.6vw, 28px) * -1);
    width: clamp(16px, 2.6vw, 28px);
    height: 1px;
    background: var(--cyan-400);
    opacity: 0.6;
  }
}

/* ---------- 更新节奏 ---------- */
.page-home .rhythm {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-home .beat-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 20px);
}

.page-home .beat {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--deep-900);
  color: var(--paper-50);
  border-top: 3px solid var(--cyan-400);
}

.page-home .beat-num {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.page-home .beat-unit {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan-200);
}

.page-home .beat-label {
  margin: 12px 0 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: rgba(244, 247, 246, 0.76);
}

.page-home .recent {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--mist-200);
  border-top: 1px solid var(--mist-200);
  border-bottom: 1px solid var(--mist-200);
}

.page-home .recent-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 0;
  background: var(--paper-50);
}

.page-home .recent-tag {
  align-self: flex-start;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--coral-700);
  border: 1px solid rgba(184, 56, 28, 0.35);
}

.page-home .recent-text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .rhythm-cta {
  margin: clamp(26px, 3.6vw, 38px) 0 0;
}

@media (min-width: 900px) {
  .page-home .rhythm {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 团队横条 ---------- */
.page-home .band--crew {
  background: var(--deep-900);
  color: var(--paper-50);
  padding-block: clamp(52px, 7vw, 88px);
  border-top: 1px solid rgba(159, 242, 233, 0.18);
}

.page-home .crew-title {
  margin: 0 0 16px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-home .crew-lead {
  margin: 0 0 clamp(26px, 3.6vw, 38px);
  max-width: 68ch;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--ink-mute);
}

.page-home .crew-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 clamp(26px, 3.6vw, 38px);
  padding: 0;
  background: rgba(159, 242, 233, 0.16);
  border: 1px solid rgba(159, 242, 233, 0.16);
}

.page-home .crew-stats > li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  background: var(--deep-900);
}

.page-home .crew-num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan-400);
}

.page-home .crew-key {
  font-size: 0.84rem;
  line-height: 1.7;
  color: rgba(244, 247, 246, 0.74);
}

.page-home .crew-cta {
  margin: 0;
}

.page-home .band--crew .btn-outline {
  border-color: rgba(159, 242, 233, 0.4);
  color: var(--cyan-200);
}

.page-home .band--crew .btn-outline:hover,
.page-home .band--crew .btn-outline:focus-visible {
  background: rgba(47, 216, 198, 0.14);
  border-color: var(--cyan-400);
  color: #ffffff;
}

@media (min-width: 720px) {
  .page-home .crew-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}