.page-home {
  --home-gutter: clamp(1.15rem, 5vw, 3rem);
  --home-max: 1180px;
  --home-notch: 18px;
  background: var(--shell-bg);
  color: var(--txt);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-home .home-inner {
  width: calc(100% - 2 * var(--home-gutter));
  max-width: var(--home-max);
  margin-inline: auto;
}

.page-home .eyebrow {
  margin: 0;
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding-block: clamp(2.5rem, 7vw, 5rem) clamp(2.25rem, 5vw, 3.75rem);
  background:
    radial-gradient(115% 75% at 88% 2%, rgba(180, 35, 43, 0.30), transparent 62%),
    radial-gradient(85% 65% at 2% 98%, rgba(18, 59, 50, 0.62), transparent 66%),
    var(--shell-bg);
  overflow: hidden;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% 0 -10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.75;
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(2rem, 6vw, 3.5rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-home .hero-copy h1 {
  margin: 0.65rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6vw, 3.5rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--txt-strong);
}

.page-home .hero-lede {
  margin: 0;
  max-width: 34ch;
  font-size: clamp(0.98rem, 1.6vw, 1.125rem);
  color: var(--txt);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-home .hero-facts {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.9rem 1.25rem;
}

.page-home .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--txt-dim);
}

.page-home .fact-num {
  font-family: var(--font-index);
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1.1;
  color: var(--gold-light);
  letter-spacing: 0.02em;
}

.page-home .hero-visual {
  position: relative;
  justify-self: center;
  width: min(100%, 400px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}

.page-home .hero-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    rgba(217, 164, 65, 0.92) 0deg 2.4deg, transparent 2.4deg 60deg,
    rgba(52, 211, 192, 0.7) 60deg 62deg, transparent 62deg 120deg,
    rgba(217, 164, 65, 0.92) 120deg 122.4deg, transparent 122.4deg 180deg,
    rgba(52, 211, 192, 0.7) 180deg 182deg, transparent 182deg 240deg,
    rgba(217, 164, 65, 0.92) 240deg 242.4deg, transparent 242.4deg 300deg,
    rgba(52, 211, 192, 0.7) 300deg 302deg, transparent 302deg 360deg
  );
  -webkit-mask: radial-gradient(circle at 50% 50%, transparent 0 62%, #000 63% 76%, transparent 77%);
  mask: radial-gradient(circle at 50% 50%, transparent 0 62%, #000 63% 76%, transparent 77%);
  animation: home-spin 90s linear infinite;
}

@keyframes home-spin {
  to { transform: rotate(360deg); }
}

.page-home .hero-visual img {
  display: block;
  width: 76%;
  height: auto;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line-gold);
  background: linear-gradient(160deg, rgba(59, 42, 85, 0.6), rgba(14, 21, 18, 0.9));
}

/* ---------- 通用章节 ---------- */
.page-home .home-sec {
  position: relative;
  padding-block: clamp(2.75rem, 7vw, 4.75rem);
  border-top: 1px solid var(--line-soft);
}

.page-home .home-sec:nth-of-type(even) {
  background: linear-gradient(180deg, rgba(18, 59, 50, 0.22), transparent 70%);
}

.page-home .home-sec__head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: clamp(1.6rem, 4vw, 2.5rem);
}

.page-home .chap-no {
  font-family: var(--font-index);
  font-size: clamp(2.5rem, 7vw, 4.25rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.05em;
  color: transparent;
  -webkit-text-stroke: 1.4px rgba(217, 164, 65, 0.6);
}

.page-home .home-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  line-height: 1.3;
  color: var(--txt-strong);
  max-width: 22ch;
}

.page-home .home-sec__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 0.98rem;
  color: var(--txt-dim);
}

/* ---------- 媒体占位 ---------- */
.page-home .media {
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.25rem);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(59, 42, 85, 0.45), rgba(14, 21, 18, 0.9));
}

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

.page-home .media__note {
  padding: 0.6rem 0.85rem;
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--txt-dim);
  border-top: 1px solid var(--line-soft);
  background: rgba(14, 21, 18, 0.6);
}

/* ---------- 六栏目非对称面板 ---------- */
.page-home .nav-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-home .nav-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.15rem 1.15rem 1rem;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line-soft);
  border-top: 2px solid rgba(217, 164, 65, 0.55);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 59, 50, 0.55), rgba(14, 21, 18, 0.92));
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-home .nav-panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--home-notch);
  height: var(--home-notch);
  background: linear-gradient(135deg, transparent 49%, rgba(217, 164, 65, 0.55) 50%);
  pointer-events: none;
}

.page-home .nav-panel:hover,
.page-home .nav-panel:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-gold);
  background: linear-gradient(180deg, rgba(180, 35, 43, 0.32), rgba(14, 21, 18, 0.94));
}

.page-home .panel-index {
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-home .nav-panel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--txt-strong);
}

.page-home .nav-panel--feature h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.55rem);
}

.page-home .nav-panel p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--txt-dim);
}

.page-home .panel-go {
  margin-top: auto;
  padding-top: 0.65rem;
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .nav-panel:hover .panel-go,
.page-home .nav-panel:focus-visible .panel-go {
  color: var(--gold-light);
}

/* ---------- 浏览方式 ---------- */
.page-home .screen-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-home .seg {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 4px;
  margin-block: 1.4rem 1.2rem;
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  background: rgba(14, 21, 18, 0.75);
}

.page-home .seg-btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.5rem 0.35rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.3;
  color: var(--txt-dim);
  background: transparent;
  cursor: pointer;
  transition: color 200ms var(--ease), background 200ms var(--ease);
}

.page-home .seg-btn[aria-selected="true"] {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--ink);
  font-weight: 600;
}

.page-home .seg-panes {
  display: grid;
  gap: 0.9rem;
}

.page-home .seg-pane {
  padding: 1rem 1.1rem;
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(246, 239, 226, 0.04);
}

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

.page-home .seg-pane h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--txt-strong);
}

.page-home .seg-pane p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--txt-dim);
}

/* ---------- 内容中心四类 ---------- */
.page-home .cat-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-home .cat {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.15rem 1.15rem 1rem;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(246, 239, 226, 0.035);
}

.page-home .cat:nth-child(1) { border-left-color: var(--cyan); }
.page-home .cat:nth-child(2) { border-left-color: var(--gold); }
.page-home .cat:nth-child(3) { border-left-color: var(--red); }
.page-home .cat:nth-child(4) { border-left-color: var(--violet); }

.page-home .cat-key {
  font-family: var(--font-index);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-home .cat h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--txt-strong);
}

.page-home .cat p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--txt-dim);
}

.page-home .cat-link {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-home .cat-link:hover,
.page-home .cat-link:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
}

/* ---------- 使用记录 ---------- */
.page-home .record-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--line-soft);
  overflow: hidden;
}

.page-home .record {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.05rem 0.95rem;
  background: rgba(14, 21, 18, 0.88);
}

.page-home .record-num {
  font-family: var(--font-index);
  font-size: clamp(1.35rem, 3.4vw, 1.85rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--gold-light);
}

.page-home .record-label {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--txt-dim);
}

.page-home .record-note {
  margin: 0 0 1.4rem;
  max-width: 62ch;
  font-size: 0.95rem;
  color: var(--txt-dim);
}

/* ---------- 移动端入口 ---------- */
.page-home .mobile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.75rem);
  align-items: center;
}

.page-home .mobile-media {
  margin: 0;
  max-width: 340px;
  justify-self: center;
}

.page-home .mobile-media img {
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

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

.page-home .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.8rem 1rem;
  background: rgba(14, 21, 18, 0.88);
}

.page-home .contact-key {
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .contact-value {
  font-size: 0.9rem;
  color: var(--txt-strong);
  word-break: break-word;
}

.page-home .mobile-note {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--txt-dim);
}

/* ---------- 旧资料三步 ---------- */
.page-home .steps {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.15rem;
  border-bottom: 1px dashed var(--line-soft);
}

.page-home .step-no {
  font-family: var(--font-index);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--gold);
}

.page-home .step h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--txt-strong);
}

.page-home .step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--txt-dim);
}

/* ---------- 回到顶部 ---------- */
.page-home .home-top {
  display: flex;
  justify-content: center;
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-home .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: 55fr 45fr;
  }

  .page-home .hero-lede {
    font-size: 1.125rem;
  }

  .page-home .nav-panels {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-home .nav-panel--feature { grid-column: span 4; }
  .page-home .nav-panel--sm { grid-column: span 2; }
  .page-home .nav-panel--half { grid-column: span 3; }

  .page-home .nav-panel--feature {
    padding: 1.5rem 1.5rem 1.25rem;
  }

  .page-home .nav-panel--feature p {
    font-size: 0.95rem;
  }

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

  .page-home .mobile-grid {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .mobile-media {
    justify-self: start;
    max-width: none;
  }
}

@media (min-width: 1100px) {
  .page-home .cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    border-top: 0;
  }

  .page-home .step {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.4rem;
    padding: 1.35rem 1.25rem 1.25rem;
    border: 1px solid var(--line-soft);
    border-top: 2px solid rgba(217, 164, 65, 0.5);
    border-radius: var(--radius);
    background: rgba(246, 239, 226, 0.035);
  }

  .page-home .step-no {
    font-size: 1.6rem;
    color: transparent;
    -webkit-text-stroke: 1.2px rgba(217, 164, 65, 0.7);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-ring {
    animation: none;
  }

  .page-home .nav-panel,
  .page-home .seg-btn,
  .page-home .cat-link {
    transition: none;
  }

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