.page-home {
  --home-grain: rgba(242, 246, 250, 0.14);
  --home-gap: clamp(1rem, 3vw, 1.5rem);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 7vw, 4.5rem) 0 clamp(2.25rem, 6vw, 3.5rem);
  background:
    radial-gradient(115% 85% at 88% -10%, rgba(40, 211, 196, 0.18), transparent 62%),
    radial-gradient(85% 60% at 6% 108%, rgba(246, 196, 83, 0.12), transparent 66%),
    var(--ink-900);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image: radial-gradient(var(--home-grain) 0.6px, transparent 0.6px);
  background-size: 5px 5px;
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 5vw, 2.75rem);
}

.page-home .hero-title {
  margin: 0.7rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.35rem, 8.4vw, 5rem);
  line-height: 1.04;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-home .hero-mark {
  position: relative;
  display: inline-block;
  color: var(--yellow);
  white-space: nowrap;
}

.page-home .hero-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.1em;
  height: 0.13em;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--yellow), rgba(246, 196, 83, 0));
}

.page-home .hero-lede {
  max-width: 36rem;
  margin: 1.1rem 0 0;
  font-size: clamp(0.98rem, 2.2vw, 1.08rem);
  line-height: 1.78;
  color: var(--silver);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.7rem;
}

.page-home .hero-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.78rem 1.45rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-home .hero-note {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-home .hero-rail {
  display: grid;
  gap: 0.8rem;
}

.page-home .rail-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-700);
}

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

.page-home .rail-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 16, 31, 0.1) 0%, rgba(6, 16, 31, 0.86) 100%);
}

.page-home .rail-badge {
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  z-index: 2;
  padding: 0.28rem 0.7rem;
  border: 1px solid rgba(40, 211, 196, 0.5);
  border-radius: var(--r-pill);
  background: rgba(6, 16, 31, 0.78);
  color: var(--cyan);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.page-home .rail-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-home .rail-stats li {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-md);
  background: rgba(18, 42, 69, 0.62);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-home .rail-stats li:nth-child(3) {
  border-left-color: var(--yellow);
}

.page-home .rail-stats li:hover {
  border-color: var(--cyan-deep);
  border-left-color: var(--cyan);
  background: rgba(18, 42, 69, 0.92);
}

.page-home .rail-value {
  display: block;
  font-size: 1.45rem;
  line-height: 1.15;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-home .rail-label {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-home .rail-hint {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--silver);
  opacity: 0.85;
}

/* ---------- 轮次轨道 ---------- */
.page-home .rounds {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.25rem) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-800);
}

.page-home .rounds-tex {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 55%, #000 100%);
}

.page-home .rounds-inner {
  position: relative;
  z-index: 1;
}

.page-home .section-head h2 {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4vw, 2.5rem);
  line-height: 1.22;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .section-head p {
  margin: 0;
  max-width: 48ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .round-scale {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 1.6rem 0 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--silver);
}

.page-home .round-scale i {
  flex: 1;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 5px, transparent 5px 12px);
}

.page-home .round-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.6rem;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(158px, 1fr);
  gap: 0.7rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .round-list li {
  scroll-snap-align: start;
}

.page-home .round-card {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  height: 100%;
  padding: 0.95rem 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-700);
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-home .round-card:hover,
.page-home .round-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-home .round-num {
  font-size: 1.85rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--yellow);
  font-variant-numeric: tabular-nums;
}

.page-home .round-state {
  justify-self: start;
  padding: 0.16rem 0.52rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.page-home .round-state--done {
  border-color: rgba(40, 211, 196, 0.45);
  background: rgba(40, 211, 196, 0.1);
  color: var(--cyan);
}

.page-home .round-state--live {
  border-color: rgba(255, 122, 107, 0.5);
  background: rgba(255, 122, 107, 0.12);
  color: var(--coral);
}

.page-home .round-state--soon {
  border-color: var(--line);
  background: rgba(159, 176, 195, 0.08);
  color: var(--silver);
}

.page-home .round-meta {
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--silver);
}

.page-home .rounds-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  margin: 1.15rem 0 0;
  font-size: 0.85rem;
}

.page-home .rounds-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 211, 196, 0.35);
  padding-bottom: 2px;
}

.page-home .rounds-links a:hover {
  color: var(--yellow);
  border-bottom-color: rgba(246, 196, 83, 0.5);
}

/* ---------- 三步动线 ---------- */
.page-home .flow {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-home .flow-list {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-home .flow-item {
  padding: 1.3rem 1.2rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(18, 42, 69, 0.85), rgba(11, 27, 48, 0.55));
}

.page-home .flow-num {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--yellow);
  font-variant-numeric: tabular-nums;
}

.page-home .flow-item h3 {
  margin: 0.65rem 0 0.45rem;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-home .flow-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .flow-link {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.82rem;
  color: var(--cyan);
  text-decoration: none;
}

.page-home .flow-link:hover {
  color: var(--yellow);
}

/* ---------- 平台能力 ---------- */
.page-home .capabilities {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line);
  background: var(--ink-800);
}

.page-home .cap-grid {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.9rem;
}

.page-home .cap-main {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-700);
}

.page-home .cap-figure {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.page-home .cap-body {
  padding: 1.25rem 1.2rem 1.45rem;
}

.page-home .cap-card {
  padding: 1.25rem 1.2rem 1.45rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(6, 16, 31, 0.55);
}

.page-home .cap-main h3,
.page-home .cap-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.12rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-home .cap-main h3 {
  color: var(--cyan);
}

.page-home .cap-main p,
.page-home .cap-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-home .cap-link {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 196, 83, 0.4);
  padding-bottom: 2px;
}

.page-home .cap-link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(40, 211, 196, 0.5);
}

/* ---------- 资料库动态 ---------- */
.page-home .archive {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  background: var(--ink-900);
}

.page-home .archive-grid {
  display: grid;
  gap: 1.6rem;
}

.page-home .archive-copy h2 {
  margin: 0.5rem 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4vw, 2.4rem);
  line-height: 1.24;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .archive-copy > p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-home .archive-stats {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 0.55rem;
}

.page-home .archive-stats li {
  padding: 0.8rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-700);
}

.page-home .archive-stats strong {
  display: block;
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .archive-stats span {
  display: block;
  margin-top: 0.32rem;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--silver);
}

.page-home .archive-link {
  margin-top: 1.3rem;
}

.page-home .archive-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  aspect-ratio: 16 / 11;
  background: var(--ink-700);
}

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

/* ---------- 收束 ---------- */
.page-home .closing {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(3rem, 7vw, 5rem);
}

.page-home .closing-card {
  display: grid;
  gap: 1.6rem;
  padding: clamp(1.4rem, 4vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(246, 196, 83, 0.12), transparent 55%),
    linear-gradient(135deg, rgba(40, 211, 196, 0.14), rgba(11, 27, 48, 0.92) 62%);
}

.page-home .closing-copy h2 {
  margin: 0.5rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.6vw, 2.15rem);
  line-height: 1.25;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .closing-lede {
  margin: 0;
  max-width: 46ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-home .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.3rem;
}

.page-home .closing-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.72rem 1.35rem;
  font-weight: 600;
}

.page-home .closing-foot {
  margin: 1.1rem 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .closing-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 211, 196, 0.35);
}

.page-home .closing-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.page-home .closing-contact li {
  display: grid;
  gap: 0.18rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--line);
}

.page-home .closing-contact span {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--silver);
}

.page-home .closing-contact a,
.page-home .closing-contact strong {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-home .closing-contact a:hover {
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-home .round-list {
    grid-auto-flow: row;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }
}

@media (min-width: 860px) {
  .page-home .flow-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
    align-items: start;
  }

  .page-home .flow-item:nth-child(2) {
    margin-top: 1.5rem;
  }

  .page-home .flow-item:nth-child(3) {
    margin-top: 3rem;
  }

  .page-home .closing-card {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-home .cap-grid {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 1fr);
    gap: 1rem;
  }

  .page-home .cap-main {
    grid-row: 1 / span 2;
    display: grid;
    align-content: start;
  }

  .page-home .archive-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .round-card,
  .page-home .rail-stats li {
    transition: none;
  }

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