.page-home {
  --home-gap: clamp(20px, 4vw, 40px);
  --home-cut: 16px;
  color: var(--text);
  font-family: var(--font-body);
  background: var(--ink);
  padding-top: clamp(14px, 3vw, 26px);
  overflow-x: clip;
}

.page-home .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-home .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-size: clamp(24px, 4.2vw, 38px);
  margin: 10px 0 0;
}

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0;
  text-transform: uppercase;
}

.page-home .lead {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  margin: 16px 0 0;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding: clamp(24px, 5vw, 64px) 0 clamp(40px, 6vw, 84px);
}

.page-home .hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-home .hero-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-home .hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 18px 0 0;
}

.page-home .hero h1 em {
  font-style: normal;
  color: var(--gold);
  background: linear-gradient(180deg, transparent 62%, rgba(232, 163, 61, 0.22) 62%);
}

.page-home .hero-lead {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  margin: 20px 0 0;
  max-width: 36em;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero-routes {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .hero-routes li {
  margin: 0;
}

.page-home .hero-routes a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 14px 16px;
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-home .hero-routes a:hover,
.page-home .hero-routes a:focus-visible {
  background: var(--panel);
  color: var(--cyan);
}

.page-home .hero-routes a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-home .route-num {
  color: var(--gold);
  font-size: 15px;
  font-weight: 700;
  flex: none;
}

.page-home .route-txt {
  line-height: 1.5;
}

.page-home .hero-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--panel) 0%, var(--ink) 62%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 42px), calc(100% - 42px) 100%, 0 100%);
  overflow: hidden;
  isolation: isolate;
}

.page-home .hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(0.7) contrast(1.1);
}

.page-home .hero-visual::after {
  content: "";
  position: absolute;
  top: -40%;
  left: -60%;
  width: 70%;
  height: 180%;
  background: linear-gradient(100deg, rgba(53, 224, 208, 0) 0%, rgba(53, 224, 208, 0.16) 45%, rgba(232, 163, 61, 0.1) 60%, rgba(53, 224, 208, 0) 100%);
  transform: rotate(12deg);
  animation: home-sweep 12s linear infinite;
  pointer-events: none;
}

@keyframes home-sweep {
  0% { transform: translateX(0) rotate(12deg); }
  100% { transform: translateX(300%) rotate(12deg); }
}

.page-home .hero-trace {
  position: absolute;
  inset: auto 0 0 0;
  width: 100%;
  height: 78%;
  opacity: 0.9;
}

.page-home .hero-badge {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 10px 16px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

/* ---------- 标签页 ---------- */
.page-home .paths {
  border-top: 1px solid var(--line);
  padding-top: clamp(36px, 5vw, 64px);
}

.page-home .tab-wrap {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-home .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .tab {
  appearance: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 12px 18px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-home .tab:hover {
  color: var(--text);
  border-color: var(--cyan-dim);
}

.page-home .tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

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

.page-home .tab-panel {
  margin-top: 20px;
  padding: clamp(20px, 3vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
}

.page-home .tab-panel h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 23px);
  letter-spacing: -0.01em;
  margin: 0;
}

.page-home .tab-panel p {
  color: var(--muted);
  line-height: 1.9;
  font-size: 15px;
  margin: 12px 0 20px;
  max-width: 46em;
}

/* ---------- 规则入口 ---------- */
.page-home .rule-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .rule-figure {
  margin: 0 0 26px;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
  overflow: hidden;
}

.page-home .rule-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 7;
  filter: saturate(0.75);
}

.page-home .rule-main .btn {
  margin-top: 24px;
}

.page-home .side-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: clamp(18px, 2.6vw, 26px);
  border-top: 2px solid var(--gold);
}

.page-home .side-title {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 16px;
  font-weight: 500;
}

.page-home .side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .side-list li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.page-home .side-list .mono {
  display: block;
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-bottom: 3px;
}

.page-home .home-stats {
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .home-stats > div {
  background: var(--panel);
  padding: 16px 14px;
}

.page-home .home-stats dt {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.page-home .home-stats dd {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
}

.page-home .home-stats dd .mono {
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

/* ---------- 移动端导航预览 ---------- */
.page-home .nav-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  align-items: center;
}

.page-home .nav-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-2);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--home-cut) 100%, 0 calc(100% - var(--home-cut)));
  overflow: hidden;
}

.page-home .nav-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  opacity: 0.72;
}

.page-home .tag-cloud {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .tag-cloud li {
  font-size: 13px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 8px 14px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .tag-cloud li:hover {
  color: var(--cyan);
  border-color: var(--cyan-dim);
}

.page-home .nav-copy .btn {
  margin-top: 26px;
}

/* ---------- 两步导出 ---------- */
.page-home .export {
  background: linear-gradient(180deg, var(--panel-2) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .export-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  align-items: center;
}

.page-home .steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .steps li {
  display: flex;
  gap: 16px;
  background: var(--panel);
  padding: 20px 18px;
}

.page-home .step-num {
  flex: none;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.04em;
}

.page-home .steps h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 6px;
}

.page-home .steps p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-home .export-copy .btn {
  margin-top: 26px;
}

.page-home .export-figure {
  margin: 0;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
  overflow: hidden;
}

.page-home .export-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.8);
}

/* ---------- 测试版 ---------- */
.page-home .beta-panel {
  background: var(--sand);
  color: var(--ink);
  padding: clamp(24px, 4vw, 52px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-home .beta-panel .eyebrow {
  color: var(--gold-deep);
}

.page-home .beta-panel .section-title {
  color: var(--ink);
}

.page-home .beta-lead {
  color: #3d3a33;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  margin: 16px 0 0;
  max-width: 44em;
}

.page-home .beta-folds {
  margin-top: 28px;
  display: grid;
  gap: 10px;
}

.page-home .beta .rule-fold {
  background: rgba(11, 13, 16, 0.06);
  border: 1px solid rgba(11, 13, 16, 0.14);
  border-left: 3px solid var(--gold-deep);
}

.page-home .beta .rule-fold-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--ink);
  list-style: none;
}

.page-home .beta .rule-fold-head::-webkit-details-marker {
  display: none;
}

.page-home .beta .rule-fold-head:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: -3px;
}

.page-home .beta .rule-fold-head .mono {
  color: var(--gold-deep);
  font-size: 14px;
  font-weight: 700;
}

.page-home .fold-hint {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #5a5548;
  font-weight: 400;
}

.page-home .beta .rule-fold-body {
  padding: 0 18px 18px 46px;
}

.page-home .beta .rule-fold-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: #3d3a33;
}

.page-home .beta-foot {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  border-top: 1px dashed rgba(11, 13, 16, 0.24);
  padding-top: 20px;
}

.page-home .beta-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: #3d3a33;
  line-height: 1.7;
}

.page-home .beta .btn-ghost {
  color: var(--ink);
  border-color: rgba(11, 13, 16, 0.45);
  background: transparent;
}

.page-home .beta .btn-ghost:hover {
  background: var(--ink);
  color: var(--sand);
  border-color: var(--ink);
}

/* ---------- 更新 ---------- */
.page-home .update-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .update-list li {
  background: var(--panel-2);
  padding: 20px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  transition: background 180ms var(--ease);
}

.page-home .update-list li:hover {
  background: var(--panel);
}

.page-home .update-list .tag {
  justify-self: start;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--ink);
}

.page-home .update-list .tag--gold {
  color: var(--gold);
  border-color: var(--gold-deep);
}

.page-home .update-list p {
  margin: 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.8;
}

.page-home .update-when {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.page-home .updates-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 收尾 ---------- */
.page-home .closing-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: clamp(30px, 4vw, 52px);
}

.page-home .closing-inner .btn {
  justify-self: start;
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-home .hero-routes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .update-list li {
    grid-template-columns: 132px minmax(0, 1fr) 88px;
    align-items: center;
    gap: 18px;
  }

  .page-home .update-when {
    text-align: right;
  }
}

@media (min-width: 940px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-home .rule-block {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: clamp(32px, 5vw, 64px);
  }

  .page-home .rule-side {
    margin-top: 56px;
  }

  .page-home .nav-block {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-home .export-block {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-home .export-figure {
    margin-top: 40px;
  }

  .page-home .closing-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }

  .page-home .closing-inner .btn {
    justify-self: end;
  }
}

@media (min-width: 1180px) {
  .page-home .hero-copy {
    padding-right: 12px;
  }

  .page-home .nav-figure {
    margin-bottom: -32px;
  }
}

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

  .page-home .hero-routes a,
  .page-home .tab,
  .page-home .tag-cloud li,
  .page-home .update-list li {
    transition: none;
  }
}