.page-home {
  --home-grid: rgba(244, 233, 216, 0.06);
  --home-grid-strong: rgba(244, 233, 216, 0.14);
  position: relative;
  min-height: 100vh;
  background:
    linear-gradient(var(--home-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-grid) 1px, transparent 1px);
  background-size: 40px 40px;
  overflow-x: hidden;
}

.page-home__wrap {
  padding-top: 32px;
  padding-bottom: 80px;
}

.page-home__crumb {
  margin-bottom: 24px;
  font-family: var(--mgu-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mgu-muted);
}

.page-home__section {
  position: relative;
  padding: 56px 0 24px;
  border-top: 1px solid var(--mgu-line-weak);
}

.page-home__section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--mgu-red);
}

.page-home__section-head {
  margin-bottom: 28px;
}

.page-home__section-head h2 {
  margin: 12px 0 0;
  font-family: var(--mgu-font-display);
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--mgu-cream);
}

/* 01 内容目录 */
.page-home__toc {
  border-top: none;
  padding-top: 8px;
}

.page-home__toc::before {
  display: none;
}

.page-home__toc-head {
  position: relative;
}

.page-home__toc-head h1 {
  margin: 14px 0 16px;
  font-family: var(--mgu-font-display);
  font-size: clamp(38px, 7vw, 66px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--mgu-cream);
}

.page-home__toc-head h1 em {
  font-style: italic;
  color: var(--mgu-red);
}

.page-home__toc-head .mgu-lead {
  max-width: 720px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mgu-muted);
}

.page-home__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 560px;
  margin-top: 26px;
}

.page-home__stats .mgu-stat {
  padding: 14px 8px;
  text-align: center;
  background: rgba(21, 19, 16, 0.7);
  border: 1px solid var(--mgu-line-weak);
  border-radius: var(--mgu-radius);
  font-family: var(--mgu-font-display);
  font-size: 24px;
  color: var(--mgu-cream);
}

.page-home__stats .mgu-stat__label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--mgu-font-body);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mgu-muted);
}

.page-home__toc-body {
  position: relative;
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

.page-home__toc-body::before {
  content: "GRID / CN-V2.0 · INDEX-01";
  position: absolute;
  top: -14px;
  right: 4px;
  font-family: var(--mgu-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mgu-muted);
  opacity: 0.75;
}

.page-home__toc-media {
  display: block;
  overflow: hidden;
  border-radius: var(--mgu-radius);
  background: var(--mgu-surface-2);
  box-shadow: 0 12px 40px var(--mgu-shadow);
}

.page-home__toc-index {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-left: 20px;
  border-left: 1px solid var(--mgu-line-strong);
}

.page-home__toc-label {
  font-family: var(--mgu-font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mgu-gold);
}

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

.page-home__toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--mgu-cream);
  font-size: 16px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--mgu-speed) var(--mgu-ease), border-color var(--mgu-speed) var(--mgu-ease);
}

.page-home__toc-list a:hover {
  color: var(--mgu-red);
  border-color: var(--mgu-red);
}

/* 02 版本切换引导 */
.page-home__version {
  background: repeating-linear-gradient(-45deg, rgba(232, 83, 46, 0.03) 0, rgba(232, 83, 46, 0.03) 12px, transparent 12px, transparent 24px);
}

.page-home__version-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-home__version-copy {
  position: relative;
  overflow: hidden;
  padding: 28px 24px;
  background:
    linear-gradient(135deg, rgba(232, 83, 46, 0.16) 0%, transparent 55%),
    linear-gradient(315deg, rgba(46, 94, 140, 0.16) 0%, transparent 52%),
    var(--mgu-surface);
  border: 1px solid var(--mgu-line);
  border-left: 4px solid var(--mgu-red);
  border-radius: var(--mgu-radius);
}

.page-home__version-copy::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--mgu-red), var(--mgu-blue-bright), var(--mgu-red));
  background-size: 200% 100%;
}

.page-home__version-lead {
  margin-bottom: 18px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--mgu-cream);
}

.page-home__version-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home__version-list li {
  position: relative;
  padding-left: 20px;
  color: var(--mgu-muted);
  line-height: 1.6;
}

.page-home__version-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--mgu-red);
}

.page-home__version-badge {
  margin-top: 20px;
}

.page-home__version-badge .mgu-version {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--mgu-line-strong);
  border-radius: 999px;
  background: rgba(232, 83, 46, 0.08);
  color: var(--mgu-cream);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-home__version-figure {
  display: block;
  overflow: hidden;
  border-radius: var(--mgu-radius);
  background: var(--mgu-surface-2);
  box-shadow: 0 12px 40px var(--mgu-shadow);
}

/* 03 赛事分类索引 */
.page-home__leagues-body {
  display: grid;
  gap: 24px;
}

.page-home__leagues-media-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-home__leagues-media {
  display: block;
  width: 100%;
  max-width: 320px;
  overflow: hidden;
  border-radius: var(--mgu-radius);
  background: var(--mgu-surface-2);
  box-shadow: 0 12px 40px var(--mgu-shadow);
}

.page-home__league-panel {
  padding: 24px;
  background: var(--mgu-surface);
  border: 1px solid var(--mgu-line-weak);
  border-left: 3px solid var(--mgu-gold);
  border-radius: var(--mgu-radius);
}

.page-home__league-panel > p {
  margin-bottom: 20px;
  line-height: 1.75;
  color: var(--mgu-muted);
}

.page-home__league-panel > p strong {
  color: var(--mgu-cream);
}

.page-home__league-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.page-home__league-tags .mgu-pill {
  font-size: 15px;
  padding: 10px 20px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.page-home__league-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--mgu-line-weak);
}

/* 04 登录与关注 */
.page-home__login-grid {
  display: grid;
  gap: 24px;
}

.page-home__login-media {
  display: block;
  overflow: hidden;
  border-radius: var(--mgu-radius);
  background: var(--mgu-surface-2);
  box-shadow: 0 12px 40px var(--mgu-shadow);
}

.page-home__login-info > p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--mgu-muted);
}

.page-home__login-features {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home__login-features > div {
  padding: 14px 16px;
  background: var(--mgu-surface-2);
  border-left: 3px solid var(--mgu-blue);
  border-radius: 4px;
}

.page-home__login-features dt {
  font-family: var(--mgu-font-display);
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--mgu-cream);
}

.page-home__login-features dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mgu-muted);
}

/* 05 快速操作 */
.page-home__quick-steps {
  display: grid;
  gap: 20px;
}

.page-home__step {
  position: relative;
  overflow: hidden;
  padding: 28px 24px 24px 28px;
  background: var(--mgu-surface);
  border: 1px solid var(--mgu-line-weak);
  border-radius: var(--mgu-radius);
}

.page-home__step::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(232, 83, 46, 0.2), transparent 70%);
}

.page-home__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  background: var(--mgu-red);
  border-radius: 50%;
  font-family: var(--mgu-font-display);
  font-size: 20px;
  color: var(--mgu-cream);
}

.page-home__step h3 {
  margin: 0 0 8px;
  font-family: var(--mgu-font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--mgu-cream);
}

.page-home__step p {
  margin: 0;
  line-height: 1.7;
  color: var(--mgu-muted);
}

/* 06 注册适配提示 */
.page-home__device-grid {
  display: grid;
  gap: 28px;
}

.page-home__device-copy > p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--mgu-muted);
}

.page-home__device-copy > p strong {
  color: var(--mgu-cream);
}

.page-home__device-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-home__device-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--mgu-line-weak);
}

.page-home__device-row span {
  font-size: 14px;
  color: var(--mgu-muted);
}

.page-home__device-row b {
  font-size: 14px;
  font-weight: 600;
  color: var(--mgu-cream);
}

.page-home__device-card {
  padding: 22px;
  background: linear-gradient(135deg, rgba(212, 166, 79, 0.12), rgba(232, 83, 46, 0.08));
  border: 1px solid rgba(212, 166, 79, 0.3);
  border-radius: var(--mgu-radius);
}

.page-home__device-card-title {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mgu-font-display);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--mgu-gold);
}

.page-home__device-card p {
  margin: 0;
  line-height: 1.75;
  color: var(--mgu-muted);
}

/* 信任声明 */
.page-home__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: 56px;
  padding: 28px 24px;
  border: 1px dashed var(--mgu-line-strong);
  border-radius: var(--mgu-radius);
}

.page-home__trust p {
  max-width: 640px;
  margin: 0;
  padding: 14px 16px;
  background: var(--mgu-surface);
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mgu-muted);
}

.page-home__trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home__trust-links a {
  padding: 8px 14px;
  border: 1px solid var(--mgu-line);
  border-radius: 4px;
  font-size: 14px;
  text-decoration: none;
  color: var(--mgu-cream);
  transition: background-color var(--mgu-speed) var(--mgu-ease), border-color var(--mgu-speed) var(--mgu-ease);
}

.page-home__trust-links a:hover {
  background-color: var(--mgu-red);
  border-color: var(--mgu-red);
  color: var(--mgu-cream);
}

/* 媒体元素统一处理 */
.page-home .mgu-media {
  position: relative;
}

.page-home .mgu-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-home .mgu-media[data-ratio="16:9"] {
  aspect-ratio: 16 / 9;
}

.page-home .mgu-media[data-ratio="16:10"] {
  aspect-ratio: 16 / 10;
}

.page-home .mgu-media[data-ratio="1:1"] {
  aspect-ratio: 1 / 1;
}

.page-home .mgu-media[data-ratio="2:1"] {
  aspect-ratio: 2 / 1;
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-home__section-head h2 {
    font-size: 36px;
  }

  .page-home__toc-body {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }

  .page-home__toc-media {
    height: 100%;
  }

  .page-home__version-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .page-home__leagues-body {
    grid-template-columns: 0.6fr 1.4fr;
    align-items: center;
  }

  .page-home__login-grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .page-home__quick-steps {
    grid-template-columns: 1fr 1fr;
  }

  .page-home__device-grid {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }
}

/* 桌面端微调 */
@media (min-width: 1024px) {
  .page-home__version-copy {
    padding: 36px 32px;
  }

  .page-home__league-panel {
    padding: 32px;
  }

  .page-home__step {
    padding: 32px 28px 28px 32px;
  }

  .page-home__toc-head h1 {
    max-width: 980px;
  }
}