.page-home {
  --home-cut: 10px;
  background: var(--paper);
  color: var(--ink-900);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.page-home a:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- 01 封面 ---------- */
.page-home .cover {
  position: relative;
  isolation: isolate;
  padding-block: clamp(28px, 6vw, 72px) clamp(36px, 6vw, 72px);
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 90, 31, 0.26), transparent 54%),
    radial-gradient(circle at 96% 66%, rgba(255, 197, 61, 0.34), transparent 46%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  overflow: hidden;
}

.page-home .cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(20, 22, 26, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 22, 26, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  pointer-events: none;
}

.page-home .cover-shell {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  width: 100%;
  max-width: var(--shell-wide);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.page-home .cover-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(14px, 3vw, 22px);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink-700);
}

.page-home .kicker-num {
  display: inline-grid;
  place-items: center;
  min-width: 32px;
  height: 24px;
  padding-inline: 7px;
  background: var(--yellow);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-home .cover-title {
  margin: 0 0 clamp(14px, 2.5vw, 22px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-home .cover-title-mark {
  position: relative;
  z-index: 0;
  display: inline-block;
  color: var(--orange);
}

.page-home .cover-title-mark::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: 0.06em;
  height: 0.17em;
  z-index: -1;
  background: var(--yellow);
}

.page-home .cover-lead {
  max-width: 32ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.75;
  color: var(--ink-700);
}

.page-home .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .cover-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .cover-side-label {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--neutral);
}

.page-home .cover-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .cover-index-link {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-900);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-home .cover-index-arrow {
  color: var(--orange);
  font-weight: 800;
  transition: transform 0.2s var(--ease);
}

.page-home .cover-index-link:hover,
.page-home .cover-index-link:focus-visible {
  border-color: var(--orange);
  background: var(--coral);
  transform: translateX(2px);
}

.page-home .cover-index-link:hover .cover-index-arrow {
  transform: translateX(4px);
}

.page-home .cover-visual {
  position: relative;
  margin: 0;
  padding-right: 26px;
}

.page-home .cover-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-home .cover-note {
  position: absolute;
  top: 4px;
  right: 0;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--ink-700);
}

/* ---------- 通用章节头 ---------- */
.page-home .section-head {
  max-width: 62ch;
}

.page-home .section-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink-700);
}

.page-home .section-index-num {
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 26px;
  padding-inline: 8px;
  background: var(--yellow);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-home .section-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-home .section-lead {
  margin: 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 02 分类矩阵 ---------- */
.page-home .matrix {
  padding-block: clamp(44px, 8vw, 88px);
  background: var(--paper);
}

.page-home .matrix-visual {
  margin: clamp(22px, 4vw, 34px) 0 0;
}

.page-home .matrix-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-home .matrix-grid {
  list-style: none;
  margin: clamp(20px, 3.5vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-home .entry-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  min-height: 92px;
  padding: 13px 14px 14px;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--ink-900);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-home .entry-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-home .entry-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-home .entry-arrow {
  color: var(--ink-700);
  font-weight: 800;
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .entry-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-visible {
  background: var(--coral);
  box-shadow: inset 0 0 0 2px var(--orange);
  transform: translateY(-2px);
}

.page-home .entry-card:hover .entry-arrow,
.page-home .entry-card:focus-visible .entry-arrow {
  color: var(--orange);
  transform: translateX(4px);
}

.page-home .matrix-foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--neutral);
}

.page-home .inline-link {
  color: var(--ink-900);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-home .inline-link:hover {
  color: var(--orange);
}

/* ---------- 03 活动中心 ---------- */
.page-home .activity {
  position: relative;
  padding-block: clamp(44px, 8vw, 88px);
  background: var(--blue);
  color: var(--paper);
  overflow: hidden;
}

.page-home .activity::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 211, 165, 0.22), transparent 68%);
  pointer-events: none;
}

.page-home .activity .shell {
  position: relative;
  z-index: 1;
}

.page-home .activity .section-index {
  color: rgba(255, 249, 240, 0.72);
}

.page-home .activity .section-title {
  color: var(--paper);
}

.page-home .activity .section-lead {
  color: rgba(255, 249, 240, 0.8);
}

.page-home .activity-visual {
  margin: clamp(22px, 4vw, 34px) 0 0;
}

.page-home .activity-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-home .timeline {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .timeline-item {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 16px 18px 16px 40px;
  background: rgba(255, 249, 240, 0.06);
  box-shadow: inset 0 0 0 1px rgba(255, 249, 240, 0.14);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
}

.page-home .timeline-item.is-current::before {
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 90, 31, 0.22);
}

.page-home .tl-no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-home .tl-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .timeline-item .chip {
  justify-self: start;
  font-size: 12px;
}

.page-home .activity-foot {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3.5vw, 32px);
}

.page-home .activity-note {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 249, 240, 0.78);
}

.page-home .activity-cta {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--paper);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-home .activity-cta:hover,
.page-home .activity-cta:focus-visible {
  background: var(--yellow);
  color: var(--ink-900);
  transform: translateY(-2px);
}

/* ---------- 本季更新色带 ---------- */
.page-home .update-band {
  background: var(--yellow);
  color: var(--ink-900);
  padding-block: clamp(20px, 3vw, 30px);
}

.page-home .update-inner {
  display: grid;
  gap: 12px;
  align-items: center;
}

.page-home .update-tag {
  justify-self: start;
  display: inline-block;
  padding: 5px 12px;
  background: var(--ink-900);
  color: var(--yellow);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-home .update-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.8vw, 24px);
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.page-home .update-cta {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--ink-900);
  color: var(--paper);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-home .update-cta:hover,
.page-home .update-cta:focus-visible {
  background: var(--orange);
  transform: translateY(-2px);
}

/* ---------- 04 换设备与自助 ---------- */
.page-home .support {
  padding-block: clamp(44px, 8vw, 88px);
  background: var(--paper);
}

.page-home .support-shell {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-home .support-lead {
  margin: 0 0 clamp(18px, 3vw, 24px);
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-home .support-meta {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--neutral);
}

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

.page-home .support-folds {
  display: grid;
  gap: 10px;
}

.page-home .support-folds details {
  padding: 4px 18px;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
  transition: box-shadow 0.2s var(--ease);
}

.page-home .support-folds details[open] {
  box-shadow: inset 0 0 0 2px var(--orange);
}

.page-home .support-folds summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 15px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
  list-style: none;
}

.page-home .support-folds summary::-webkit-details-marker {
  display: none;
}

.page-home .fold-mark {
  flex: none;
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--mint);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transition: transform 0.2s var(--ease);
}

.page-home .support-folds details[open] .fold-mark {
  transform: rotate(90deg);
}

.page-home .support-folds .fold-body {
  margin: 0;
  padding: 0 0 16px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-home .support-visual {
  margin: 0;
}

.page-home .support-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-home .matrix-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .cover-shell {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-home .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .activity-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-home .update-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 24px;
  }

  .page-home .update-tag,
  .page-home .update-cta {
    justify-self: auto;
  }

  .page-home .support-shell {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-home .matrix-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}
<<<END>>>