.page-home {
  --home-rail-w: 212px;
  --home-cut: 14px;
  background:
    radial-gradient(circle at 88% 8%, rgba(47, 191, 143, 0.10), transparent 46%),
    radial-gradient(circle at 12% 62%, rgba(232, 199, 123, 0.07), transparent 50%);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-block: clamp(26px, 5vw, 54px) clamp(48px, 7vw, 92px);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  top: -4%;
  right: -12%;
  width: min(820px, 82%);
  height: 78%;
  background: linear-gradient(202deg, rgba(47, 191, 143, 0.16), rgba(232, 199, 123, 0.09) 50%, transparent 76%);
  clip-path: polygon(22% 0, 100% 0, 78% 100%, 0 86%);
  pointer-events: none;
  z-index: 0;
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 42px);
}

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    align-items: start;
  }
}

/* 左窄栏：版本时间轴 */
.page-home .version-rail {
  position: relative;
  order: 3;
  overflow: hidden;
  padding: 22px 20px 24px;
  background-color: var(--ink-800);
  background-image: linear-gradient(180deg, rgba(14, 22, 48, 0.5), rgba(23, 32, 63, 0.96));
  clip-path: var(--cut-poly);
  box-shadow: inset 0 0 0 1px rgba(242, 237, 228, 0.1);
}

@media (min-width: 960px) {
  .page-home .version-rail {
    order: 0;
    margin-bottom: -46px;
  }
}

.page-home .version-rail__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-home .version-rail > *:not(.version-rail__texture) {
  position: relative;
  z-index: 1;
}

.page-home .version-rail__eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--champagne);
  opacity: 0.85;
}

.page-home .rail-list {
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .rail-item {
  position: relative;
  padding-left: 18px;
  transition: transform 0.35s var(--ease);
}

.page-home .rail-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  background: var(--emerald);
  transform: rotate(45deg);
}

.page-home .rail-item:hover,
.page-home .rail-item:focus-within {
  transform: translateY(-3px);
}

.page-home .rail-item__date {
  display: block;
  font-size: 13px;
  color: var(--champagne);
  letter-spacing: 0.04em;
}

.page-home .rail-item__label {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--muted);
  transition: color 0.35s var(--ease);
}

.page-home .rail-item:hover .rail-item__label {
  color: var(--ivory);
}

.page-home .version-rail__more {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--emerald);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 191, 143, 0.45);
  padding-bottom: 2px;
}

.page-home .version-rail__more:hover {
  color: var(--champagne);
  border-bottom-color: rgba(232, 199, 123, 0.6);
}

/* 首屏主区 */
.page-home .hero-main {
  display: grid;
  gap: clamp(26px, 4vw, 38px);
}

@media (min-width: 960px) {
  .page-home .hero-main {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    align-items: center;
  }
}

.page-home .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--moss);
}

.page-home .hero-kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--emerald);
}

.page-home .hero-copy h1 {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 5.6vw, 56px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-home .hero-copy .lede {
  margin: 0 0 24px;
  max-width: 34em;
  color: var(--muted);
}

.page-home .hero-copy .btn-row {
  flex-wrap: wrap;
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  clip-path: var(--cut-poly);
  background: var(--ink-800);
  box-shadow: inset 0 0 0 1px rgba(232, 199, 123, 0.2);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .hero-visual__caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(242, 237, 228, 0.72);
  background: rgba(14, 22, 48, 0.6);
  padding: 5px 10px;
  clip-path: var(--cut-poly);
}

/* ---------- 横向预览带 ---------- */
.page-home .band-section {
  padding-block: clamp(36px, 6vw, 64px) clamp(30px, 5vw, 56px);
  background:
    linear-gradient(180deg, transparent, rgba(23, 32, 63, 0.7) 18%, rgba(23, 32, 63, 0.7) 82%, transparent);
}

.page-home .band__track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px var(--gutter) 20px;
  scrollbar-width: thin;
  scrollbar-color: rgba(47, 191, 143, 0.5) transparent;
}

.page-home .band__track:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: 4px;
}

.page-home .band-card {
  flex: 0 0 min(74vw, 262px);
  scroll-snap-align: start;
  margin: 0;
  padding: 12px 12px 16px;
  background: var(--slate-700);
  clip-path: var(--cut-poly);
  box-shadow: inset 0 0 0 1px rgba(242, 237, 228, 0.1);
}

.page-home .band-card__shot {
  overflow: hidden;
  clip-path: var(--cut-poly);
  background: var(--ink-900);
}

.page-home .band-card__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  opacity: 0.92;
}

.page-home .band-card figcaption {
  padding-top: 12px;
}

.page-home .band-card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .band__nav {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding-inline: var(--gutter);
}

.page-home .band__btn {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(232, 199, 123, 0.4);
  background: rgba(42, 47, 62, 0.9);
  color: var(--champagne);
  font-size: 17px;
  cursor: pointer;
  clip-path: var(--cut-poly);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-home .band__btn:hover {
  border-color: var(--emerald);
  color: var(--emerald);
  transform: translateY(-2px);
}

/* ---------- 小屏速览 ---------- */
.page-home .features {
  padding-block: clamp(40px, 6vw, 72px);
}

.page-home .feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

@media (min-width: 780px) {
  .page-home .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .feature-card {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--slate-700);
  clip-path: var(--cut-poly);
  box-shadow: inset 0 0 0 1px rgba(242, 237, 228, 0.08);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.page-home .feature-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--emerald);
}

.page-home .feature-card:nth-child(2)::before {
  background: var(--champagne);
}

.page-home .feature-card:nth-child(3)::before {
  background: var(--clay);
}

.page-home .feature-card:hover {
  transform: translateY(-5px);
  box-shadow: inset 0 0 0 1px rgba(47, 191, 143, 0.5);
}

.page-home .feature-card__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--champagne);
}

.page-home .feature-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.4;
  color: var(--ivory);
}

.page-home .feature-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .mini-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-home .mini-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--moss);
}

.page-home .mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  background: var(--emerald);
  transform: rotate(45deg);
  opacity: 0.8;
}

/* ---------- 规则与清单 ---------- */
.page-home .rules {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-home .rule-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 38px);
}

@media (min-width: 960px) {
  .page-home .rule-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

.page-home .panel {
  margin-bottom: 12px;
  background: var(--ink-800);
  clip-path: var(--cut-poly);
  box-shadow: inset 0 0 0 1px rgba(242, 237, 228, 0.1);
  transition: box-shadow 0.35s var(--ease);
}

.page-home .panel[open] {
  box-shadow: inset 0 0 0 1px rgba(47, 191, 143, 0.6);
}

.page-home .panel__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
}

.page-home .panel__head::-webkit-details-marker {
  display: none;
}

.page-home .panel__head::marker {
  content: "";
}

.page-home .panel__head:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: -2px;
}

.page-home .panel__index {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--champagne);
}

.page-home .panel__title {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ivory);
}

.page-home .panel__mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-home .panel__mark::before,
.page-home .panel__mark::after {
  content: "";
  position: absolute;
  background: var(--champagne);
  transition: opacity 0.3s var(--ease), background 0.3s var(--ease);
}

.page-home .panel__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-home .panel__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-home .panel[open] .panel__mark::before {
  background: var(--emerald);
}

.page-home .panel[open] .panel__mark::after {
  opacity: 0;
}

.page-home .panel__content {
  padding: 14px 18px 18px;
  border-top: 1px solid rgba(242, 237, 228, 0.08);
}

.page-home .panel__content p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .rule-media {
  margin: 0;
  clip-path: var(--cut-poly);
  background: var(--ink-800);
  box-shadow: inset 0 0 0 1px rgba(181, 103, 74, 0.35);
}

.page-home .rule-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .rule-media__caption {
  padding: 14px 18px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 归档 ---------- */
.page-home .archive {
  padding-block: clamp(40px, 6vw, 76px);
  background:
    linear-gradient(180deg, transparent, rgba(23, 32, 63, 0.55) 22%, rgba(23, 32, 63, 0.55) 78%, transparent);
}

.page-home .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

@media (min-width: 780px) {
  .page-home .archive-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .archive-card {
  padding: 22px 20px 24px;
  background: var(--ink-800);
  clip-path: var(--cut-poly);
  box-shadow: inset 0 0 0 1px rgba(242, 237, 228, 0.09);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.page-home .archive-card:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px rgba(232, 199, 123, 0.45);
}

.page-home .archive-card__scale {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-home .archive-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.45;
  color: var(--ivory);
}

.page-home .archive-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .archive-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  margin-top: 28px;
}

.page-home .archive-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .archive-note a {
  color: var(--emerald);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 191, 143, 0.45);
}

.page-home .archive-note a:hover {
  color: var(--champagne);
  border-bottom-color: rgba(232, 199, 123, 0.6);
}

/* ---------- 客服 ---------- */
.page-home .support {
  padding-block: clamp(36px, 6vw, 72px) clamp(48px, 7vw, 88px);
}

.page-home .support-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(24px, 4vw, 44px);
  background:
    linear-gradient(148deg, rgba(23, 32, 63, 0.96), rgba(42, 47, 62, 0.85));
  clip-path: var(--cut-poly);
  box-shadow: inset 0 0 0 1px rgba(232, 199, 123, 0.2);
}

@media (min-width: 900px) {
  .page-home .support-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

.page-home .support-copy h2 {
  margin: 14px 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.35;
  color: var(--ivory);
}

.page-home .support-copy > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .ask-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .ask-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ivory);
}

.page-home .ask-list .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--champagne);
}

.page-home .support-side {
  padding: 20px;
  background: rgba(14, 22, 48, 0.55);
  clip-path: var(--cut-poly);
  box-shadow: inset 0 0 0 1px rgba(242, 237, 228, 0.1);
}

.page-home .support-side__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--moss);
}

.page-home .support-mail {
  display: inline-block;
  margin: 12px 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 18px);
  letter-spacing: 0.02em;
  color: var(--champagne);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(232, 199, 123, 0.45);
}

.page-home .support-mail:hover {
  color: var(--emerald);
  border-bottom-color: rgba(47, 191, 143, 0.6);
}

.page-home .support-side__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .support-side .btn-row {
  margin-top: 18px;
  flex-wrap: wrap;
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .rail-item,
  .page-home .feature-card,
  .page-home .archive-card,
  .page-home .band__btn {
    transition: none;
  }

  .page-home .rail-item:hover,
  .page-home .feature-card:hover,
  .page-home .archive-card:hover,
  .page-home .band__btn:hover {
    transform: none;
  }
}