.page-home {
  --home-section: clamp(64px, 9vw, 128px);
  --home-pad: clamp(20px, 4.6vw, 64px);
  --home-surface: linear-gradient(140deg, rgba(36, 19, 68, .86), rgba(20, 10, 43, .9));
  position: relative;
  padding-bottom: clamp(56px, 8vw, 120px);
}

@media (min-width: 900px) {
  .page-home {
    padding-left: clamp(24px, 6vw, 100px);
  }
}

.page-home section {
  margin-bottom: var(--home-section);
}

.page-home section:last-of-type {
  margin-bottom: 0;
}

/* ---------- 首屏 ---------- */
.home-lead {
  display: grid;
  gap: clamp(32px, 4vw, 56px);
  padding-top: clamp(72px, 11vw, 132px);
  padding-bottom: clamp(8px, 2vw, 24px);
}

@media (min-width: 920px) {
  .home-lead {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

.home-lead__eyebrow {
  margin: 0 0 18px;
  color: var(--lime);
}

.home-lead__title {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  max-width: 13ch;
}

.home-lead__lede {
  max-width: 40ch;
  margin: 0 0 clamp(24px, 3vw, 34px);
  color: var(--text-dim);
}

.home-lead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.home-lead__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.home-lead__facts > div {
  padding-top: 16px;
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.home-lead__facts > div:first-child {
  border-left: 0;
  padding-left: 0;
}

.home-lead__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.home-lead__facts dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  color: var(--text);
}

.home-lead__art {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--home-surface);
  box-shadow: var(--shadow-deep);
}

.home-lead__art::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 34px;
  width: 46%;
  height: 3px;
  border-radius: 3px;
  background: var(--lime);
  opacity: .7;
}

.home-lead__media {
  border-radius: calc(var(--radius) - 8px);
  overflow: hidden;
  background: var(--ink-950);
}

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

.home-lead__art .xg-figure__cap {
  padding: 12px 4px 2px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
}

/* ---------- 索引目录 ---------- */
.home-index__head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.home-index__head .xg-eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--lime);
}

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

@media (min-width: 760px) {
  .home-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

.home-index__item {
  min-width: 0;
}

.home-index__link {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: clamp(18px, 2.2vw, 26px) clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--home-surface);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.home-index__link:hover,
.home-index__link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(184, 255, 63, .55);
  box-shadow: 0 24px 46px -34px rgba(0, 0, 0, .96);
}

.home-index__num {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--lime);
  padding: 5px 9px;
  border: 1px solid rgba(184, 255, 63, .35);
  border-radius: 6px;
  line-height: 1;
}

.home-index__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.home-index__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: var(--text);
}

.home-index__desc {
  font-size: .875rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.home-index__peek {
  position: absolute;
  right: 16px;
  top: 16px;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 32% 32%, var(--lime), transparent 62%),
    linear-gradient(140deg, var(--panel), var(--ink-950));
  opacity: 0;
  transform: scale(.86);
  pointer-events: none;
  transition: opacity .28s var(--ease), transform .28s var(--ease);
}

.home-index__link:hover .home-index__peek,
.home-index__link:focus-visible .home-index__peek {
  opacity: 1;
  transform: scale(1);
}

/* ---------- 大屏登录（纸层） ---------- */
.home-screen {
  padding: clamp(28px, 4vw, 56px) var(--home-pad);
  border-radius: var(--radius);
  border: 1px solid var(--paper-line);
}

@media (min-width: 900px) {
  .home-screen__grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
  }
}

.home-screen__art {
  margin: 0 0 clamp(24px, 3vw, 0px);
}

.home-screen__art .xg-figure__media {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--paper-line);
  background: #100724;
}

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

.home-screen__art .xg-figure__cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim-on-paper);
}

.home-screen__eyebrow {
  display: block;
  margin-bottom: 12px;
  color: #4B2E86;
}

.home-screen .xg-h2 {
  color: var(--text-on-paper);
  margin: 0 0 16px;
}

.home-screen__lede {
  margin: 0 0 clamp(20px, 3vw, 28px);
  color: var(--text-dim-on-paper);
  max-width: 40ch;
}

.home-steps {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 26px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
  border-radius: 12px;
  overflow: hidden;
}

.home-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: #FFFFFF;
}

.home-steps__idx {
  font-size: 12px;
  letter-spacing: .1em;
  color: #2E1A5C;
  padding: 4px 8px;
  border-radius: 5px;
  background: rgba(184, 255, 63, .5);
  line-height: 1;
}

.home-steps__text {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text-on-paper);
}

.home-screen__note {
  margin: 0 0 clamp(20px, 3vw, 28px);
  font-size: .875rem;
  line-height: 1.8;
  color: var(--text-dim-on-paper);
}

/* ---------- 版本对照 ---------- */
.home-versions__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.home-versions__head .xg-eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--lime);
}

.home-versions__head .xg-h2 {
  margin: 0 0 14px;
}

.home-versions__lede {
  margin: 0;
  color: var(--text-dim);
  max-width: 46ch;
}

.home-mirror {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 900px) {
  .home-mirror {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  }
}

.home-mirror__col {
  background: var(--ink-900);
  padding: clamp(22px, 3vw, 34px);
}

.home-mirror__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.home-mirror__col--beta .home-mirror__title {
  color: var(--lime);
}

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

.home-mirror__row {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.home-mirror__col--beta .home-mirror__row {
  border-left-color: rgba(184, 255, 63, .7);
}

.home-mirror__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.home-mirror__val {
  font-size: .95rem;
  line-height: 1.75;
  color: var(--text);
}

.home-mirror__grip {
  display: none;
}

@media (min-width: 900px) {
  .home-mirror__grip {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    background: var(--ink-900);
  }

  .home-mirror__grip i {
    display: block;
    width: 3px;
    height: 46px;
    border-radius: 3px;
    background: var(--lime);
    opacity: .5;
  }
}

.home-versions__art {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px;
  background: var(--home-surface);
}

.home-versions__art .xg-figure__media {
  border-radius: calc(var(--radius) - 8px);
  overflow: hidden;
}

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

.home-versions__art .xg-figure__cap {
  padding: 12px 6px 4px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
}

.home-versions__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: clamp(22px, 3vw, 32px);
}

.home-versions__quiet {
  font-size: .9rem;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.home-versions__quiet:hover,
.home-versions__quiet:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 地域表现 ---------- */
.home-geo {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-900);
  padding: clamp(28px, 4.4vw, 60px);
  isolation: isolate;
}

.home-geo__wash {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  filter: saturate(.65);
  z-index: 0;
  pointer-events: none;
}

.home-geo__inner {
  position: relative;
  z-index: 1;
}

.home-geo .xg-eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--amber);
}

.home-geo .xg-h2 {
  margin: 0 0 14px;
}

.home-geo__lede {
  margin: 0;
  max-width: 46ch;
  color: var(--text-dim);
}

.home-geo__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 54px);
  margin: clamp(24px, 3.4vw, 38px) 0 clamp(20px, 3vw, 32px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.home-geo__stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.home-geo__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  line-height: 1;
  color: var(--lime);
}

.home-geo__label {
  font-size: .875rem;
  color: var(--text-dim);
}

.home-geo__chart {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.home-geo__baseline {
  stroke: var(--line);
  stroke-width: 1;
}

.home-geo__bar {
  fill: rgba(184, 255, 63, .22);
  stroke: rgba(184, 255, 63, .45);
  stroke-width: 1;
  animation: home-geo-breath 1.2s ease-in-out infinite alternate;
}

.home-geo__bar--limited {
  fill: rgba(255, 155, 69, .22);
  stroke: rgba(255, 155, 69, .6);
}

.home-geo__line {
  fill: none;
  stroke: var(--lime);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  opacity: .85;
}

.home-geo__dot {
  fill: var(--ink-950);
  stroke: var(--lime);
  stroke-width: 2;
}

.home-geo__dot--limited {
  stroke: var(--amber);
}

@keyframes home-geo-breath {
  from { opacity: .62; }
  to { opacity: 1; }
}

.home-geo__note {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 48ch;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 记录与同步 ---------- */
@media (min-width: 900px) {
  .home-records__inner {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: start;
  }
}

.home-records__intro .xg-eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--lime);
}

.home-records__intro .xg-h2 {
  margin: 0 0 16px;
}

.home-records__lede {
  margin: 0 0 18px;
  max-width: 38ch;
  color: var(--text-dim);
}

.home-records__sync {
  margin: 0 0 20px;
  max-width: 40ch;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--text-dim);
  padding-left: 16px;
  border-left: 2px solid rgba(255, 155, 69, .6);
}

.home-records__link {
  display: inline-block;
  font-size: .9rem;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 255, 63, .45);
  padding-bottom: 3px;
}

.home-records__link:hover,
.home-records__link:focus-visible {
  border-color: var(--lime);
}

.home-records__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.home-records__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 24px);
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--line);
}

.home-records__row:first-child {
  border-top: 1px solid var(--line);
}

.home-records__idx {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
  padding-top: 4px;
}

.home-records__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

.home-records__desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 规模与支持 ---------- */
.home-scale {
  padding-top: clamp(8px, 2vw, 20px);
}

.home-scale .xg-eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--text-dim);
}

.home-scale .xg-h2 {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  max-width: 22ch;
}

.home-scale__stats {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-bottom: clamp(24px, 3.4vw, 34px);
}

.home-scale__stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.home-scale__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1;
  color: var(--lime);
}

.home-scale__label {
  font-size: .875rem;
  letter-spacing: .04em;
  color: var(--text-dim);
}

.home-scale__note {
  margin: 0 0 clamp(24px, 3.4vw, 34px);
  max-width: 50ch;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.home-scale__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 窄屏与动效兼容 ---------- */
@media (max-width: 640px) {
  .home-lead__facts > div {
    border-left: 0;
    padding-left: 0;
  }

  .home-lead__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-lead__actions .xg-btn,
  .home-scale__actions .xg-btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-index__link,
  .page-home .home-index__peek,
  .page-home .home-versions__quiet {
    transition: none;
  }

  .page-home .home-geo__bar {
    animation: none;
    opacity: .85;
  }
}