.page-home {
  --ph-cut: 14px;
  --ph-clip: polygon(var(--ph-cut) 0, 100% 0, 100% calc(100% - var(--ph-cut)), calc(100% - var(--ph-cut)) 100%, 0 100%, 0 var(--ph-cut));
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumb {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.page-home .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--sand);
}
.page-home .breadcrumb li + li::before {
  content: "/";
  color: var(--sand);
}
.page-home .breadcrumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-dark);
  padding-bottom: 1px;
}
.page-home .breadcrumb a:hover,
.page-home .breadcrumb a:focus-visible {
  border-bottom-color: var(--turquoise);
}

/* ---------- 横向卷轴首屏 ---------- */
.page-home .stage {
  position: relative;
  padding: clamp(20px, 4vw, 46px) 0 clamp(18px, 3vw, 30px);
  background:
    radial-gradient(90% 70% at 8% 0%, rgba(122, 63, 242, 0.46), transparent 62%),
    radial-gradient(72% 62% at 94% 10%, rgba(31, 138, 122, 0.42), transparent 60%),
    var(--night);
  color: var(--paper);
}
.page-home .stage::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--vermilion), var(--gold), var(--turquoise), var(--cyan), var(--neon));
}

.page-home .scroll-track {
  display: flex;
  align-items: stretch;
  gap: clamp(12px, 2vw, 22px);
  max-width: 100%;
  padding: 4px var(--gutter) 16px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-padding: 0 var(--gutter);
  scrollbar-width: thin;
  scrollbar-color: var(--turquoise) transparent;
}
.page-home .scroll-track:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-home .scroll-track::-webkit-scrollbar {
  height: 6px;
}
.page-home .scroll-track::-webkit-scrollbar-track {
  background: rgba(247, 243, 234, 0.08);
}
.page-home .scroll-track::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--cyan), var(--neon));
  border-radius: 99px;
}

.page-home .scroll-panel {
  position: relative;
  flex: 0 0 84%;
  min-width: 0;
  padding: clamp(20px, 3.4vw, 38px);
  scroll-snap-align: center;
  background: linear-gradient(155deg, rgba(247, 243, 234, 0.08), rgba(26, 18, 38, 0.72));
  clip-path: var(--ph-clip);
  box-shadow:
    inset 0 0 0 1px rgba(217, 164, 65, 0.24),
    inset 0 0 60px rgba(122, 63, 242, 0.12);
}

.page-home .stage__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.page-home .stage__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(26px, 5.4vw, 44px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-home .stage__lead {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.82);
}
.page-home .stage__hint {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .entry-stack {
  display: grid;
  gap: 12px;
}
.page-home .entry-card {
  position: relative;
  display: block;
  padding: 16px 18px 18px 52px;
  color: var(--paper);
  text-decoration: none;
  background: linear-gradient(118deg, rgba(201, 58, 43, 0.2), rgba(122, 63, 242, 0.14));
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px rgba(217, 164, 65, 0.32);
  transition: transform 320ms var(--ease), box-shadow 320ms var(--ease);
}
.page-home .entry-card:hover,
.page-home .entry-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px var(--cyan), 0 0 12px rgba(122, 63, 242, 0.55);
}
.page-home .entry-card__no {
  position: absolute;
  left: 18px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}
.page-home .entry-card__title {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-serif);
  font-size: 17px;
  letter-spacing: 0.02em;
}
.page-home .entry-card__desc {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 243, 234, 0.76);
}

.page-home .scroll-panel--visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.page-home .stage-shot {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px rgba(41, 224, 214, 0.3);
}
.page-home .stage-shot__cap {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(247, 243, 234, 0.68);
}

.page-home .stage-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0 var(--gutter);
  list-style: none;
}
.page-home .stage-dots a {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sand);
  text-decoration: none;
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px var(--hair);
  transition: color 240ms var(--ease), box-shadow 240ms var(--ease);
}
.page-home .stage-dots a:hover,
.page-home .stage-dots a:focus-visible {
  color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

/* ---------- 通用章节抬头 ---------- */
.page-home .ph-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--turquoise);
}
.page-home .ph-kicker--dark {
  color: var(--cyan);
}
.page-home .ph-title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.3;
  color: var(--ink);
}
.page-home .ph-title--dark {
  color: var(--paper);
}

/* ---------- 会员中心层级 ---------- */
.page-home .levels {
  padding: clamp(40px, 7vw, 88px) 0;
  background:
    linear-gradient(180deg, rgba(217, 164, 65, 0.1), transparent 42%),
    var(--paper);
}
.page-home .level-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 46px);
  grid-template-columns: 1fr;
}
.page-home .levels__intro {
  margin: 0 0 22px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(26, 18, 38, 0.78);
}
.page-home .level-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-home .level-item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 13px 16px;
  background: #ffffff;
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px var(--hair-dark);
}
.page-home .level-item__key {
  font-family: var(--font-serif);
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--vermilion);
}
.page-home .level-item__text {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(26, 18, 38, 0.82);
}

.page-home .level-sample {
  margin-top: 18px;
  background: linear-gradient(120deg, rgba(31, 138, 122, 0.12), rgba(217, 164, 65, 0.14));
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px rgba(31, 138, 122, 0.32);
}
.page-home .level-sample summary {
  padding: 15px 18px 15px 44px;
  cursor: pointer;
  position: relative;
  font-size: 14px;
  font-weight: 600;
  color: var(--turquoise-deep);
  list-style: none;
}
.page-home .level-sample summary::-webkit-details-marker {
  display: none;
}
.page-home .level-sample summary::before {
  content: "+";
  position: absolute;
  left: 18px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--vermilion);
}
.page-home .level-sample[open] summary::before {
  content: "−";
}
.page-home .level-sample summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-home .level-sample__body {
  padding: 0 18px 18px;
}
.page-home .level-sample__body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(26, 18, 38, 0.8);
}
.page-home .level-sample__body p:last-child {
  margin-bottom: 0;
}

.page-home .badge-figure {
  margin: 0;
}
.page-home .badge-figure img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px rgba(217, 164, 65, 0.45);
}
.page-home .badge-figure figcaption {
  margin-top: 12px;
  max-width: 32em;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(26, 18, 38, 0.68);
}

/* ---------- 大屏与场景 ---------- */
.page-home .screen {
  padding: clamp(40px, 7vw, 88px) 0;
  background:
    radial-gradient(70% 60% at 88% 8%, rgba(122, 63, 242, 0.4), transparent 62%),
    radial-gradient(80% 70% at 6% 96%, rgba(201, 58, 43, 0.32), transparent 64%),
    var(--night-soft);
  color: var(--paper);
}
.page-home .screen-grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  grid-template-columns: 1fr;
}
.page-home .screen__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px rgba(41, 224, 214, 0.22);
}
.page-home .screen .ph-title {
  color: var(--paper);
}
.page-home .screen__lead {
  margin: 0 0 22px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(247, 243, 234, 0.8);
}

.page-home .scene-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 4px;
}
.page-home .scene-tabs .tab {
  padding: 9px 15px;
  min-height: 40px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(247, 243, 234, 0.74);
  background: transparent;
  border: 0;
  cursor: pointer;
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px var(--hair);
  transition: color 240ms var(--ease), background 240ms var(--ease), box-shadow 240ms var(--ease);
}
.page-home .scene-tabs .tab:hover,
.page-home .scene-tabs .tab:focus-visible {
  color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--cyan);
}
.page-home .scene-tabs .tab[aria-selected="true"] {
  color: var(--night);
  background: linear-gradient(118deg, var(--cyan), var(--gold));
  box-shadow: inset 0 0 0 1px var(--cyan);
}
.page-home .scene-tabs .tab-panel {
  padding: 14px 0 0;
  max-width: 36em;
}
.page-home .scene-tabs .tab-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.82);
}
.page-home .screen__body .btn {
  margin-top: 22px;
}

/* ---------- 更新索引 ---------- */
.page-home .updates {
  padding: clamp(40px, 7vw, 88px) 0;
  background: var(--paper);
}
.page-home .updates-head {
  display: grid;
  gap: 12px;
  margin-bottom: 30px;
}
.page-home .updates-note {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(26, 18, 38, 0.68);
}
.page-home .timeline {
  position: relative;
  margin: 0 0 30px;
  padding: 0 0 0 28px;
  list-style: none;
}
.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--vermilion), var(--gold), var(--turquoise), transparent);
}
.page-home .timeline__item {
  position: relative;
  padding-bottom: 24px;
}
.page-home .timeline__item:last-child {
  padding-bottom: 0;
}
.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--gold);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-home .timeline__ver {
  display: inline-block;
  margin-bottom: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--turquoise-deep);
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px rgba(31, 138, 122, 0.4);
}
.page-home .timeline__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.page-home .timeline__text {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(26, 18, 38, 0.76);
}

/* ---------- 服务与联系 ---------- */
.page-home .reach {
  padding: clamp(40px, 7vw, 88px) 0;
  background:
    radial-gradient(72% 60% at 12% 4%, rgba(201, 58, 43, 0.36), transparent 62%),
    radial-gradient(70% 62% at 90% 90%, rgba(31, 138, 122, 0.34), transparent 64%),
    var(--night);
  color: var(--paper);
}
.page-home .reach__lead {
  margin: 0 0 26px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(247, 243, 234, 0.8);
}
.page-home .reach-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-bottom: 28px;
}
.page-home .reach-card {
  padding: 18px 20px;
  background: linear-gradient(130deg, rgba(247, 243, 234, 0.08), rgba(26, 18, 38, 0.6));
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px rgba(217, 164, 65, 0.3);
}
.page-home .reach-card__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}
.page-home .reach-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
}
.page-home .reach-figure {
  margin: 0 0 26px;
}
.page-home .reach-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: var(--ph-clip);
  box-shadow: inset 0 0 0 1px rgba(41, 224, 214, 0.2);
}
.page-home .reach-figure figcaption {
  margin-top: 12px;
  max-width: 40em;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.66);
}

/* ---------- 窄屏到宽屏 ---------- */
@media (min-width: 620px) {
  .page-home .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .updates-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 760px) {
  .page-home .scroll-panel {
    flex: 0 0 62%;
  }
  .page-home .level-item {
    grid-template-columns: 76px 1fr;
  }
}

@media (min-width: 960px) {
  .page-home .scroll-panel {
    flex: 0 0 54%;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .page-home .level-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
    align-items: start;
  }
  .page-home .screen-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }
  .page-home .timeline {
    padding-left: 34px;
  }
  .page-home .timeline__item::before {
    left: -34px;
  }
  .page-home .timeline::before {
    left: 8px;
  }
}

@media (min-width: 1240px) {
  .page-home .scroll-panel {
    flex: 0 0 46%;
  }
  .page-home .stage-shot {
    max-height: 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry-card,
  .page-home .scene-tabs .tab,
  .page-home .stage-dots a {
    transition: none;
  }
  .page-home .scroll-track {
    scroll-behavior: auto;
  }
}