.page-home {
  --home-card-bg: rgba(22, 36, 61, .82);
  --home-rail-shadow: 0 18px 40px rgba(0, 0, 0, .38);
  background:
    radial-gradient(75% 48% at 12% -6%, rgba(232, 163, 61, .14), rgba(232, 163, 61, 0) 62%),
    linear-gradient(180deg, var(--ink-950), var(--ink-900) 58%, var(--ink-950));
  color: var(--paper-100);
  overflow: hidden;
}

.page-home .section {
  padding-block: clamp(38px, 7vw, 74px);
}

/* ---------- 首屏上下文条 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 11px 18px;
  margin-bottom: clamp(24px, 4vw, 40px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  background: rgba(16, 27, 46, .72);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .01em;
  color: var(--slate-300);
}

.page-home .home-context__version {
  color: var(--amber-500);
}

.page-home .home-context__sep {
  width: 1px;
  height: 13px;
  background: var(--hairline-strong);
}

.page-home .home-context__item {
  min-width: 0;
}

/* ---------- 首屏分屏 ---------- */
.page-home .home-hero__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .hero-copy {
  position: relative;
  isolation: isolate;
  min-width: 0;
}

.page-home .hero-copy::before {
  content: "";
  position: absolute;
  inset: -34% -18% auto -24%;
  height: 118%;
  background: radial-gradient(58% 52% at 32% 30%, rgba(232, 163, 61, .22), rgba(232, 163, 61, 0) 72%);
  filter: blur(4px);
  z-index: -1;
  pointer-events: none;
  animation: home-lamp 10s ease-in-out infinite;
}

@keyframes home-lamp {
  0%, 100% { opacity: .68; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.06); }
}

.page-home .hero-lede {
  margin-top: 18px;
  color: var(--slate-300);
}

.page-home .save-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(24px, 4vw, 34px);
  padding: 18px;
  border: 1px solid rgba(232, 163, 61, .46);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(232, 163, 61, .16), rgba(16, 27, 46, .88) 62%);
  box-shadow: var(--shadow-float);
}

.page-home .save-card__body {
  min-width: 0;
}

.page-home .save-card__label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 9px;
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--amber-200);
}

.page-home .save-card__label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber-500);
  box-shadow: 0 0 0 4px rgba(232, 163, 61, .18);
  flex: none;
}

.page-home .save-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-100);
}

.page-home .save-card__btn {
  margin-top: 14px;
}

.page-home .save-card img {
  display: block;
  width: 100%;
  height: 132px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
}

/* ---------- 右侧章节索引 ---------- */
.page-home .hero-index {
  position: relative;
  display: flow-root;
  padding: 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--home-card-bg);
  overflow: hidden;
  min-width: 0;
}

.page-home .hero-index__media {
  position: absolute;
  inset: 0;
  opacity: .2;
  pointer-events: none;
}

.page-home .hero-index__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .hero-index__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 18, 32, .35), rgba(11, 18, 32, .92));
}

.page-home .hero-index__label {
  position: relative;
  z-index: 1;
  margin: 4px 4px 14px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-300);
}

.page-home .hero-index__list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .preview-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding: 15px 17px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  background: rgba(11, 18, 32, .74);
  color: var(--paper-100);
  text-decoration: none;
  min-height: 44px;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-home .preview-no {
  font-size: 12px;
  color: var(--amber-500);
}

.page-home .preview-title {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: .01em;
}

.page-home .preview-meta {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.62;
  color: var(--slate-300);
}

.page-home .preview-card:hover,
.page-home .preview-card:focus-visible {
  border-color: var(--amber-500);
  background: rgba(22, 36, 61, .95);
  transform: translateX(5px);
}

.page-home .preview-card:focus-visible {
  outline: 2px solid var(--amber-200);
  outline-offset: 2px;
}

/* ---------- 章节标题行 ---------- */
.page-home .home-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  align-items: end;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-home .home-head__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-300);
}

.page-home .inline-link {
  color: var(--amber-200);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-home .inline-link:hover,
.page-home .inline-link:focus-visible {
  color: var(--amber-500);
}

/* ---------- 内容索引双栏 ---------- */
.page-home .route-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: linear-gradient(162deg, var(--ink-800), var(--ink-900) 72%);
  color: var(--paper-100);
  text-decoration: none;
  min-width: 0;
  transition: border-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-home .route-no {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--teal-400);
}

.page-home .route-title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 22px);
  line-height: 1.42;
  color: var(--paper-100);
}

.page-home .route-desc {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate-300);
}

.page-home .route-go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--amber-500);
}

.page-home .route-card:hover,
.page-home .route-card:focus-visible {
  border-color: rgba(232, 163, 61, .6);
  box-shadow: var(--shadow-float);
}

.page-home .route-card:focus-visible {
  outline: 2px solid var(--amber-200);
  outline-offset: 3px;
}

/* ---------- 2026 栏目主页纸面卡 ---------- */
.page-home .board-card {
  padding: clamp(22px, 4.4vw, 46px);
  border-radius: var(--radius-lg);
  background: var(--paper-100);
  color: var(--ink-950);
  box-shadow: 0 22px 50px rgba(0, 0, 0, .42);
  border-top: 4px solid var(--amber-500);
}

.page-home .board-head {
  max-width: 62ch;
}

.page-home .board-tag {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--amber-deep);
}

.page-home .board-card .section-title {
  color: var(--ink-deep);
  margin: 0 0 14px;
}

.page-home .board-intro {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-muted);
}

.page-home .board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 24px 0 26px;
}

.page-home .rule-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid rgba(27, 39, 64, .16);
  border-left: 3px solid var(--amber-500);
  border-radius: var(--radius-sm);
  background: rgba(232, 163, 61, .1);
  min-width: 0;
}

.page-home .fact-label {
  font-size: 12.5px;
  color: var(--ink-muted);
}

.page-home .fact-value {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-deep);
}

/* ---------- 版本对照 details ---------- */
.page-home .compare {
  padding-top: 18px;
  border-top: 1px dashed rgba(27, 39, 64, .24);
}

.page-home .compare summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink-deep);
}

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

.page-home .compare summary::before {
  content: ";";
  flex: none;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(150, 89, 15, .5);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber-deep);
}

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

/* ---------- 分号对照 ---------- */
.page-home .semicolon-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.page-home .semicolon-col {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(27, 39, 64, .07);
  min-width: 0;
}

.page-home .semicolon-col p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-muted);
}

.page-home .semi-tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--amber-deep);
}

.page-home .semi-mark {
  display: none;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--amber-deep);
  text-align: center;
  align-self: center;
}

.page-home .semicolon-grid--dark .semicolon-col {
  background: rgba(22, 36, 61, .9);
  border: 1px solid var(--hairline);
}

.page-home .semicolon-grid--dark .semicolon-col p {
  color: var(--slate-300);
}

.page-home .semicolon-grid--dark .semi-tag {
  color: var(--amber-500);
}

.page-home .semicolon-grid--dark .semi-mark {
  color: var(--amber-500);
}

.page-home .board-foot {
  margin: 26px 0 0;
}

/* ---------- 活动中心横向卷轴 ---------- */
.page-home .activity-rail {
  list-style: none;
  margin: 0;
  padding: 6px var(--gutter) 28px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .rail-card {
  flex: 0 0 min(80vw, 320px);
  scroll-snap-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--ink-800), var(--ink-950));
  color: var(--paper-100);
  min-width: 0;
  box-shadow: var(--home-rail-shadow);
}

.page-home .rail-card--lead {
  flex: 0 0 min(88vw, 420px);
  border-color: rgba(242, 107, 78, .45);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900) 70%);
}

.page-home .rail-card__media {
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 12 / 7;
}

.page-home .rail-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .rail-tag {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--coral-500);
}

.page-home .rail-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.45;
  color: var(--paper-100);
}

.page-home .rail-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-300);
}

.page-home .rail-seat {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--hairline-strong);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--amber-500);
}

/* ---------- 移动端阅读 ---------- */
.page-home .mobile-read {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-home .mobile-figure {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-float);
}

.page-home .mobile-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-home .mobile-body {
  min-width: 0;
}

.page-home .mobile-body .section-title {
  margin: 10px 0 14px;
}

.page-home .mobile-lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--slate-300);
}

.page-home .mobile-foot {
  margin: 22px 0 0;
}

/* ---------- 编辑手记 ---------- */
.page-home .notes-wrap {
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background:
    repeating-linear-gradient(180deg, rgba(169, 180, 196, .07) 0 1px, rgba(169, 180, 196, 0) 1px 32px),
    rgba(16, 27, 46, .78);
}

.page-home .notes-head .section-title {
  margin: 10px 0 20px;
}

.page-home .notes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid rgba(232, 163, 61, .55);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate-300);
  min-width: 0;
}

.page-home .note-idx {
  display: block;
  margin-bottom: 6px;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--amber-500);
}

.page-home .notes-foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--hairline-strong);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate-300);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-home .save-card {
    grid-template-columns: minmax(0, 1fr) 150px;
    align-items: center;
  }

  .page-home .save-card img {
    height: 100%;
    max-height: 130px;
  }

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

  .page-home .semicolon-grid {
    grid-template-columns: minmax(0, 1fr) 26px minmax(0, 1fr);
    align-items: start;
  }

  .page-home .semi-mark {
    display: block;
  }

  .page-home .notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .home-head {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-home .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .home-hero__split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 52px);
  }

  .page-home .hero-index {
    padding: 22px 22px 26px;
    margin-top: 6px;
  }

  .page-home .hero-index__list > li:nth-child(even) {
    transform: translateX(20px);
  }

  .page-home .mobile-read {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(28px, 4vw, 48px);
  }

  .page-home .mobile-figure {
    margin-top: 4px;
  }
}

@media (min-width: 1080px) {
  .page-home .route-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .route-card {
    grid-column: span 6;
    padding: 28px 26px;
  }

  .page-home .route-card:nth-child(2) {
    transform: translateY(26px);
  }

  .page-home .route-card:nth-child(3) {
    transform: translateY(-10px);
  }

  .page-home .route-card:nth-child(4) {
    transform: translateY(18px);
  }

  .page-home .rail-card {
    flex-basis: 340px;
  }

  .page-home .rail-card--lead {
    flex-basis: 460px;
  }
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .hero-copy::before {
    animation: none;
  }

  .page-home .preview-card,
  .page-home .route-card {
    transition: none;
  }

  .page-home .preview-card:hover,
  .page-home .preview-card:focus-visible {
    transform: none;
  }
}
<<<END>>>