.page-home {
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-home .breadcrumbs {
  padding-top: calc(var(--header-h) + 18px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-home .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--mist);
}

.page-home .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--deep-teal);
}

.page-home .breadcrumb-list a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-home .breadcrumb-list a:hover,
.page-home .breadcrumb-list a:focus-visible {
  color: var(--cyan);
}

/* ---------- 封面首屏 ---------- */
.page-home .cover {
  position: relative;
  isolation: isolate;
  padding: clamp(26px, 5vw, 60px) 0 clamp(38px, 6vw, 92px);
}

.page-home .cover-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-home .cover-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.75) contrast(1.08);
}

.page-home .cover-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 18%, rgba(53, 242, 200, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(7, 26, 20, 0.55) 0%, rgba(7, 26, 20, 0.92) 72%, var(--night) 100%);
}

.page-home .cover-inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}

.page-home .cover-copy .eyebrow {
  margin-bottom: 18px;
}

.page-home .cover-title {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-family: var(--font-display);
  font-size: var(--step-hero);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-home .cover-title span {
  display: block;
  color: var(--cyan);
}

.page-home .cover-copy .lede {
  max-width: 34ch;
  margin: 0;
  font-size: clamp(0.98rem, 1.5vw, 1.1rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .quick-links {
  display: grid;
  gap: 2px;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .quick-link {
  display: grid;
  gap: 5px;
  padding: 16px 0 16px 16px;
  border-left: 2px solid var(--deep-teal);
  background: linear-gradient(90deg, rgba(7, 26, 20, 0.7), rgba(7, 26, 20, 0));
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.24s ease, transform 0.24s ease, background 0.24s ease;
}

.page-home .quick-link:hover,
.page-home .quick-link:focus-visible {
  border-color: var(--cyan);
  transform: translateX(4px);
  background: linear-gradient(90deg, var(--cyan-soft), rgba(7, 26, 20, 0));
}

.page-home .quick-link-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .quick-link-label {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-home .quick-link-hint {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .cover-panel {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 37, 30, 0.66);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
}

.page-home .cover-panel .panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .cover-panel .panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .cover-panel .status-strip {
  display: grid;
  margin-top: 6px;
}

.page-home .cover-panel .status-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .cover-panel .status-item:last-child {
  border-bottom: 0;
}

.page-home .status-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-home .status-value {
  margin-left: auto;
  font-size: 0.94rem;
  font-weight: 600;
  text-align: right;
  color: var(--cold);
}

.page-home .status-value em {
  font-style: normal;
  color: var(--amber);
}

.page-home .cover-panel-foot {
  margin: 14px 0 0;
  font-size: 0.9rem;
}

/* ---------- 规模概览 ---------- */
.page-home .metrics {
  padding: clamp(26px, 4.5vw, 52px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(16, 37, 30, 0.55), rgba(11, 15, 14, 0.5));
}

.page-home .metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 34px);
}

.page-home .metrics-grid .data-figure {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid var(--line-soft);
}

.page-home .metrics-grid .data-figure-value {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-home .metrics-grid .data-figure--amber .data-figure-value {
  color: var(--amber);
}

.page-home .metrics-grid .unit {
  font-size: 0.62em;
  margin-left: 2px;
}

.page-home .metrics-grid .data-figure-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

/* ---------- 通用区块 ---------- */
.page-home .section {
  padding: clamp(44px, 7vw, 104px) 0;
}

.page-home .section-head {
  margin-bottom: clamp(24px, 4vw, 46px);
}

.page-home .section-title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.page-home .section-head .lede,
.page-home .topics-copy .lede {
  max-width: 44ch;
  margin: 0;
  color: var(--mist);
  line-height: 1.8;
}

.page-home .tag-split,
.page-home .topics-layout,
.page-home .pricing-side {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

/* ---------- 标签视图 ---------- */
.page-home .tag-section {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .tag-copy .prose {
  max-width: 36ch;
  color: var(--mist);
  line-height: 1.85;
}

.page-home .tag-copy .prose p {
  margin: 0 0 14px;
}

.page-home .tag-copy .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .tag-copy .tag {
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-home .tag-copy .tag:hover,
.page-home .tag-copy .tag:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-home .tag-copy .tag--active {
  color: var(--night);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-home .tag-copy .note {
  margin: 20px 0 22px;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--glass);
}

.page-home .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-home .tag-media::after,
.page-home .topics-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(53, 242, 200, 0.1) 0%, rgba(7, 26, 20, 0) 42%);
}

.page-home .media-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 10px 12px;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--paper);
  background: linear-gradient(0deg, rgba(7, 26, 20, 0.9), rgba(7, 26, 20, 0));
}

/* ---------- 轮次时间线 ---------- */
.page-home .round-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .round-timeline .timeline-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
}

.page-home .round-timeline .timeline-body {
  min-width: 0;
}

.page-home .round-timeline .timeline-mark {
  position: relative;
  display: block;
}

.page-home .round-timeline .timeline-mark::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 6px;
  width: 10px;
  height: 10px;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-home .round-timeline .timeline-mark::after {
  content: "";
  position: absolute;
  top: 40px;
  bottom: 0;
  left: 10px;
  width: 1px;
  background: var(--line-soft);
}

.page-home .round-timeline .timeline-item:last-child .timeline-mark::after {
  display: none;
}

.page-home .round-item {
  border-top: 1px solid var(--line-soft);
}

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

.page-home .round-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
}

.page-home .round-item summary::-webkit-details-marker {
  display: none;
}

.page-home .round-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cyan);
}

.page-home .round-item[open] summary::after {
  content: "–";
}

.page-home .round-item summary:hover .round-name,
.page-home .round-item summary:focus-visible .round-name {
  color: var(--cyan);
}

.page-home .round-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .round-name {
  font-family: var(--font-display);
  font-size: clamp(1.06rem, 2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}

.page-home .round-tag {
  padding: 3px 8px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-home .round-detail {
  display: grid;
  gap: 14px;
  max-width: 60ch;
  padding: 0 0 22px;
}

.page-home .round-detail ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 价格周期 ---------- */
.page-home .pricing-section {
  background:
    linear-gradient(180deg, rgba(16, 37, 30, 0.5), rgba(7, 26, 20, 0.9));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .cycle-grid {
  display: grid;
  gap: 18px;
}

.page-home .cycle-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(16, 37, 30, 0.92), rgba(7, 26, 20, 0.92));
}

.page-home .cycle-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: var(--cyan);
}

.page-home .cycle-name {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.page-home .cycle-text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .cycle-fit {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-home .cycle-card--paper {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--night);
}

.page-home .cycle-card--paper::before {
  background: var(--amber);
}

.page-home .cycle-card--paper .cycle-name {
  color: var(--night);
}

.page-home .cycle-card--paper .cycle-text {
  color: rgba(7, 26, 20, 0.78);
}

.page-home .cycle-card--paper .cycle-fit {
  color: var(--deep-teal);
}

.page-home .cycle-card--paper .link-arrow {
  color: var(--deep-teal);
}

.page-home .pricing-side {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-home .pricing-note {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  background: rgba(16, 37, 30, 0.6);
  backdrop-filter: blur(10px);
}

.page-home .pricing-note .panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-h3);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.page-home .pricing-note .panel-body p {
  margin: 0 0 14px;
  max-width: 40ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .pricing-note .panel-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 专题索引 ---------- */
.page-home .topics-copy .index-list {
  margin: 22px 0 24px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-home .topics-copy .index-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: border-color 0.24s ease, background 0.24s ease;
}

.page-home .topics-copy .index-item:hover,
.page-home .topics-copy .index-item:focus-within {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, var(--cyan-soft), rgba(7, 26, 20, 0));
}

.page-home .topics-copy .index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .topics-copy .index-title {
  margin: 0 0 5px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.page-home .topics-copy .index-title a {
  color: var(--paper);
  text-decoration: none;
}

.page-home .topics-copy .index-title a:hover,
.page-home .topics-copy .index-title a:focus-visible {
  color: var(--cyan);
}

.page-home .topics-copy .index-note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 结尾引导 ---------- */
.page-home .start-band {
  padding: clamp(38px, 6vw, 84px) 0;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 18% 20%, rgba(53, 242, 200, 0.12), transparent 58%),
    var(--field-black);
}

.page-home .start-inner {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  align-items: end;
}

.page-home .start-title {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-home .start-text {
  max-width: 46ch;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .start-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
}

.page-home .start-actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-home .start-actions .link-arrow {
  font-size: 0.9rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .quick-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

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

  .page-home .cycle-grid {
    gap: 12px;
  }
}

@media (min-width: 880px) {
  .page-home .cover-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-home .tag-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .topics-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .pricing-side {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-home .cycle-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-home .cycle-card {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  }

  .page-home .cycle-card + .cycle-card {
    border-left: 0;
  }

  .page-home .start-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .start-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-home .cover-title {
    letter-spacing: 0.03em;
  }

  .page-home .round-detail {
    max-width: 66ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .quick-link,
  .page-home .tag-copy .tag,
  .page-home .topics-copy .index-item {
    transition: none;
  }

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