.page-home {
  position: relative;
  background: var(--ink);
  color: var(--cloud);
  overflow-x: clip;
}

.page-home::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(157, 176, 204, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(157, 176, 204, 0.09) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

.page-home > * {
  position: relative;
  z-index: 1;
}

.page-home .band-desk,
.page-home .band-guide,
.page-home .band-index,
.page-home .band-start {
  border-top: 1px solid var(--line);
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumb {
  padding-top: 18px;
}

.page-home .home-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
  font-family: var(--font-num);
}

.page-home .home-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(157, 176, 204, 0.5);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  padding: 18px 0 clamp(46px, 7vw, 92px);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  top: -220px;
  left: -14%;
  right: -14%;
  height: 640px;
  background:
    linear-gradient(112deg, rgba(53, 230, 214, 0.15) 0%, rgba(53, 230, 214, 0) 54%),
    radial-gradient(92% 120% at 78% 0%, rgba(168, 107, 255, 0.28) 0%, rgba(168, 107, 255, 0) 68%);
  clip-path: polygon(0 0, 100% 0, 100% 66%, 0 100%);
  z-index: -1;
  pointer-events: none;
}

.page-home .hero-annotation {
  position: absolute;
  top: 40px;
  right: 14px;
  writing-mode: vertical-rl;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--mist);
  opacity: 0.85;
  pointer-events: none;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-home .hero-visual {
  position: relative;
  min-width: 0;
}

.page-home .hero-frame {
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 54px), calc(100% - 54px) 100%, 0 100%);
}

.page-home .hero-tick {
  display: none;
}

.page-home .hero-panel {
  position: relative;
  padding: 26px 22px 28px;
  background: linear-gradient(158deg, rgba(42, 26, 94, 0.62) 0%, rgba(10, 22, 51, 0.9) 62%);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-home .hero-panel::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 44px;
  width: 86px;
  height: 4px;
  background: var(--gold);
}

.page-home .hero-kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .hero-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.6vw, 62px);
  line-height: 1.06;
  letter-spacing: 0.04em;
  font-weight: 800;
  color: var(--cloud);
}

.page-home .hero-title em {
  font-style: normal;
  color: var(--cyan);
  text-shadow: 0 0 26px rgba(53, 230, 214, 0.35);
}

.page-home .hero-lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cloud);
  max-width: 38em;
}

/* ---------- 首屏设备切换 ---------- */
.page-home .hero-switch {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-home .hero-switch .tablist {
  display: flex;
  gap: 8px;
}

.page-home .hero-switch .tab {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(233, 238, 248, 0.04);
  border: 2px solid var(--line);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.page-home .hero-switch .tab .tab-index {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-home .hero-switch .tab[aria-selected="true"] {
  background: rgba(168, 107, 255, 0.22);
  border-color: var(--gold);
  color: var(--cloud);
}

.page-home .hero-switch .tab[aria-selected="true"] .tab-index {
  color: var(--gold);
}

.page-home .hero-switch .tabpanel {
  padding-top: 16px;
}

.page-home .hero-switch .tabpanel[hidden] {
  display: none;
}

.page-home .switch-line {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cloud);
}

.page-home .switch-foot {
  margin: 10px 0 0;
}

.page-home .text-link {
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

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

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-home .hero-meta {
  margin: 16px 0 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */
.page-home .section-head {
  margin-bottom: 34px;
}

.page-home .section-num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1;
  letter-spacing: 0.06em;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  margin-bottom: 8px;
}

.page-home .section-kicker {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--mist);
}

.page-home h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.14;
  letter-spacing: 0.04em;
  font-weight: 800;
  color: var(--cloud);
}

.page-home h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: 0.03em;
  font-weight: 700;
  color: var(--cloud);
}

.page-home p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--cloud);
}

/* ---------- 02 桌面端 ---------- */
.page-home .band-desk {
  background:
    radial-gradient(120% 80% at 88% 0%, rgba(53, 230, 214, 0.08) 0%, rgba(53, 230, 214, 0) 60%),
    var(--ink);
}

.page-home .desk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .lead-p {
  font-size: 17px;
  color: var(--cloud);
}

.page-home .feat-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-home .feat-list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-home .feat-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-home .feat-mark {
  font-family: var(--font-num);
  font-size: 26px;
  line-height: 1;
  color: var(--violet);
  letter-spacing: 0.06em;
}

.page-home .feat-list p {
  margin: 0;
  font-size: 15px;
  color: var(--mist);
}

.page-home .desk-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-home .desk-media {
  margin: 0;
}

.page-home .desk-stat {
  margin: 0;
  padding: 22px 22px 24px;
  background: linear-gradient(150deg, rgba(94, 27, 51, 0.55) 0%, rgba(10, 22, 51, 0.9) 78%);
  border: 2px solid var(--line-violet);
}

.page-home .stat-num {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(52px, 9vw, 84px);
  line-height: 0.9;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-home .stat-label {
  margin: 10px 0 0;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

/* ---------- 03 手机两步 ---------- */
.page-home .band-mobile {
  background: var(--teal);
  border-top: 2px solid var(--line-strong);
}

.page-home .two-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

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

.page-home .step-card {
  position: relative;
  margin: 0;
  padding: 26px 22px 24px 84px;
  background: linear-gradient(150deg, rgba(7, 34, 43, 0.94) 0%, rgba(10, 22, 51, 0.94) 100%);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-home .step-num {
  position: absolute;
  left: 20px;
  top: 22px;
  font-family: var(--font-num);
  font-size: 38px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-home .step-card p {
  margin: 0;
  font-size: 15px;
  color: var(--mist);
}

.page-home .step-media {
  margin: 0;
  align-self: start;
}

.page-home .band-note {
  margin: 30px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 138, 91, 0.08);
  font-size: 15px;
  color: var(--cloud);
}

/* ---------- 04 切换指南 ---------- */
.page-home .band-guide {
  background:
    radial-gradient(110% 90% at 10% 0%, rgba(168, 107, 255, 0.16) 0%, rgba(168, 107, 255, 0) 62%),
    var(--ink-2);
}

.page-home .guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-home .guide-copy p {
  max-width: 40em;
}

.page-home .guide-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .guide-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .guide-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

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

.page-home .guide-media {
  margin: 0;
}

/* ---------- 05 栏目索引 ---------- */
.page-home .band-index {
  border-top: 1px solid var(--line);
}

.page-home .index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-home .index-title {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.26em;
  color: var(--cyan);
  text-transform: uppercase;
  margin: 0 0 14px;
  text-transform: none;
}

.page-home .index-list,
.page-home .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .index-list li,
.page-home .update-list li {
  border-bottom: 1px solid var(--line);
}

.page-home .index-list a {
  display: block;
  padding: 16px 6px 16px 28px;
  position: relative;
  color: var(--cloud);
  font-size: 15.5px;
  line-height: 1.6;
  text-decoration: none;
  transition: color 180ms ease-out, background-color 180ms ease-out;
}

.page-home .index-list a::before {
  content: "›";
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 20px;
  color: var(--cyan);
}

.page-home .index-list a:hover,
.page-home .index-list a:focus-visible {
  color: var(--gold);
  background: rgba(53, 230, 214, 0.06);
}

.page-home .update-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .upd-tag {
  align-self: start;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--cyan);
  padding: 4px 6px;
  text-align: center;
}

.page-home .index-note {
  margin: 34px 0 0;
  font-size: 14px;
  color: var(--mist);
  max-width: 56em;
}

/* ---------- 06 开始试玩 ---------- */
.page-home .band-start {
  background: linear-gradient(118deg, var(--indigo) 0%, var(--ink-2) 56%, var(--ink) 100%);
  border-top: 2px solid var(--line-violet);
}

.page-home .start-inner {
  position: relative;
}

.page-home .start-inner::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: linear-gradient(to bottom, var(--gold), rgba(245, 184, 65, 0));
}

.page-home .start-kicker {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.page-home .start-text {
  margin-top: 16px;
  max-width: 42em;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 560px) {
  .page-home .hero-panel {
    padding: 22px 16px 24px;
  }

  .page-home .hero-panel::after {
    left: 26px;
  }

  .page-home .step-card {
    padding: 22px 16px 22px 66px;
  }

  .page-home .step-num {
    left: 14px;
    font-size: 30px;
  }

  .page-home .update-list li {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 10px;
  }

  .page-home .hero-annotation {
    display: none;
  }
}

@media (min-width: 760px) {
  .page-home .index-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 52px;
  }
}

@media (min-width: 900px) {
  .page-home .desk-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-home .two-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 44px;
    align-items: center;
  }

  .page-home .guide-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 52px;
  }

  .page-home .section-head {
    margin-bottom: 44px;
  }
}

@media (min-width: 1040px) {
  .page-home .hero {
    padding-top: 34px;
  }

  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }

  .page-home .hero-panel {
    padding: 32px 30px 34px;
  }
}

@media (min-width: 1180px) {
  .page-home .hero-tick {
    display: block;
    position: absolute;
    writing-mode: vertical-rl;
    font-family: var(--font-num);
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--mist);
    opacity: 0.75;
  }

  .page-home .hero-tick--a {
    left: -30px;
    top: 48px;
  }

  .page-home .hero-tick--b {
    right: -30px;
    bottom: 110px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-list a {
    transition: none;
  }
}