.page-home {
  --ky-gap: 14px;
  --ky-cell-pad: clamp(18px, 2.4vw, 28px);
  position: relative;
  overflow-x: clip;
}

/* ---------- 首屏棋盘 ---------- */
.page-home .ky-hero {
  position: relative;
  padding: clamp(26px, 4.4vw, 52px) 0 clamp(44px, 6vw, 78px);
  background:
    linear-gradient(180deg, rgba(10, 35, 31, 0.25) 0%, rgba(10, 35, 31, 0.96) 84%, var(--ink-900) 100%),
    repeating-linear-gradient(0deg, transparent 0 71px, rgba(31, 90, 76, 0.3) 71px 72px),
    repeating-linear-gradient(90deg, transparent 0 71px, rgba(31, 90, 76, 0.3) 71px 72px),
    var(--ink-900);
  border-bottom: var(--frame);
}

.page-home .ky-hero__head {
  max-width: 900px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .ky-hero__title {
  margin: 14px 0 18px;
  color: var(--paper-100);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.14;
  font-size: clamp(30px, 6.4vw, 68px);
}

.page-home .ky-hero__ink {
  color: var(--gold-500);
  position: relative;
  white-space: nowrap;
}

.page-home .ky-hero__ink::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.04em;
  height: 6px;
  background: linear-gradient(90deg, var(--gold-300), rgba(201, 162, 39, 0));
  opacity: 0.6;
}

.page-home .ky-hero__lead {
  max-width: 66ch;
  color: var(--paper-dim);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
}

/* 棋盘格 */
.page-home .ky-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ky-gap);
}

.page-home .ky-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--ky-cell-pad);
  background: var(--ink-700);
  border: var(--frame);
  border-radius: 0;
  box-shadow: var(--hard-1);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
  overflow: hidden;
}

.page-home .ky-cell:hover {
  transform: translateY(-4px);
  box-shadow: var(--hard-2);
  border-color: var(--gold-500);
}

.page-home .ky-cell__num {
  display: inline-block;
  align-self: flex-start;
  padding: 2px 8px;
  border: 1px solid var(--line-500);
  color: var(--gold-300);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-home .ky-cell__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--paper-100);
  letter-spacing: -0.01em;
  line-height: 1.32;
  font-size: clamp(19px, 2.2vw, 25px);
}

.page-home .ky-cell__desc {
  margin: 0;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-home .ky-cell .btn-row {
  margin-top: auto;
}

/* 焦点块 2x2 */
.page-home .ky-cell--focus {
  min-height: 380px;
  justify-content: flex-end;
  border-color: var(--gold-500);
  box-shadow: var(--hard-gold);
  background: var(--ink-850);
  isolation: isolate;
}

.page-home .ky-cell--focus::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(231, 206, 122, 0.07) 0 1px,
    transparent 1px 5px
  );
}

.page-home .ky-cell__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.page-home .ky-cell__veil {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(10, 35, 31, 0.28) 0%, rgba(10, 35, 31, 0.82) 52%, rgba(10, 35, 31, 0.97) 100%),
    radial-gradient(120% 80% at 82% 8%, rgba(27, 42, 74, 0.55), transparent 62%);
}

.page-home .ky-cell__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .ky-cell--focus .ky-cell__title {
  font-size: clamp(22px, 3.1vw, 34px);
  color: var(--paper-100);
}

.page-home .ky-cell--focus .ky-cell__desc {
  max-width: 52ch;
}

/* 存档块：降级灰青 */
.page-home .ky-cell--archive {
  background: rgba(126, 148, 144, 0.1);
  border: 2px dashed var(--slate-400);
  box-shadow: none;
  color: var(--slate-200);
}

.page-home .ky-cell--archive .ky-cell__title {
  color: var(--slate-200);
}

.page-home .ky-cell--archive .ky-cell__desc {
  color: var(--slate-200);
  opacity: 0.86;
}

.page-home .ky-cell--archive .ky-cell__num {
  border-color: var(--slate-400);
  color: var(--slate-200);
}

.page-home .ky-cell--archive:hover {
  border-color: var(--slate-200);
  box-shadow: none;
}

.page-home .ky-cell__flag {
  align-self: flex-start;
  padding: 3px 9px;
  border: 1px dashed var(--slate-400);
  color: var(--slate-200);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-home .ky-cell--guide {
  border-left: 6px solid var(--cinnabar-500);
}

/* ---------- 三类路径 ---------- */
.page-home .ky-paths {
  border-bottom: var(--frame);
}

.page-home .ky-paths__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-home .ky-paths__note {
  color: var(--paper-faint);
  white-space: nowrap;
}

.page-home .ky-paths__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ky-gap);
}

.page-home .ky-path {
  position: relative;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--ink-850);
  border: var(--frame);
  border-left: 6px solid var(--line-500);
  box-shadow: var(--hard-1);
}

.page-home .ky-path--gold {
  border-left-color: var(--gold-500);
}

.page-home .ky-path--slate {
  border-left-color: var(--slate-400);
  background: rgba(126, 148, 144, 0.09);
  color: var(--slate-200);
}

.page-home .ky-path__idx {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--gold-300);
  font-size: 13px;
  letter-spacing: 0.22em;
}

.page-home .ky-path--slate .ky-path__idx {
  color: var(--slate-200);
}

.page-home .ky-path__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--paper-100);
  line-height: 1.35;
}

.page-home .ky-path--slate .ky-path__title {
  color: var(--slate-200);
}

.page-home .ky-path__desc {
  margin: 0 0 16px;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-home .ky-path--slate .ky-path__desc {
  color: var(--slate-200);
  opacity: 0.88;
}

.page-home .ky-path__route {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-500);
  color: var(--gold-300);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-home .ky-path--slate .ky-path__route {
  border-top-color: var(--slate-400);
  color: var(--slate-200);
}

/* ---------- 导出动线 ---------- */
.page-home .ky-flow {
  background:
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-850) 100%);
  border-bottom: var(--frame);
}

.page-home .ky-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 48px);
  align-items: start;
}

.page-home .ky-flow__figure .media-frame {
  border: var(--frame);
  box-shadow: var(--hard-2);
  background: var(--ink-700);
}

.page-home .ky-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.8);
}

.page-home .ky-flow__figure .media-frame__caption {
  padding: 10px 12px;
  background: var(--ink-700);
  border-top: var(--frame);
  color: var(--gold-300);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-home .ky-flow__lead {
  margin: 16px 0 28px;
  max-width: 60ch;
  color: var(--paper-dim);
  line-height: 1.85;
  font-size: 16px;
}

.page-home .ky-steps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  position: relative;
  display: grid;
  gap: 18px;
}

.page-home .ky-steps::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-500), rgba(201, 162, 39, 0.15));
}

.page-home .ky-step {
  position: relative;
  padding-left: 44px;
}

.page-home .ky-step::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--ink-900);
  border: 2px solid var(--gold-500);
  border-radius: 50%;
}

.page-home .ky-step--start::before {
  background: var(--cinnabar-500);
  border-color: var(--cinnabar-500);
  box-shadow: 0 0 0 4px rgba(196, 64, 44, 0.22);
}

.page-home .ky-step__num {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--gold-300);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-home .ky-step--start .ky-step__num {
  color: var(--cinnabar-500);
}

.page-home .ky-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--paper-100);
  line-height: 1.4;
}

.page-home .ky-step__desc {
  margin: 0;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 存档区 ---------- */
.page-home .ky-archive {
  border-bottom: var(--frame);
}

.page-home .ky-archive__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 46px);
  align-items: center;
}

.page-home .ky-archive__lead {
  margin: 16px 0 22px;
  max-width: 58ch;
  color: var(--slate-200);
  line-height: 1.9;
  font-size: 16px;
}

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

.page-home .ky-archive__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  border: 1px dashed var(--slate-400);
  background: rgba(126, 148, 144, 0.08);
  color: var(--slate-200);
  font-size: 15px;
  line-height: 1.7;
}

.page-home .ky-archive__list .mono {
  flex: none;
  color: var(--slate-400);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.page-home .ky-archive__hint {
  margin: 0 0 22px;
  color: var(--slate-200);
  opacity: 0.78;
  font-size: 14px;
  line-height: 1.8;
}

.page-home .ky-archive__figure {
  margin: 0;
  position: relative;
  border: 2px dashed var(--slate-400);
  background: rgba(126, 148, 144, 0.08);
  padding: 10px;
}

.page-home .ky-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.24) contrast(0.94);
  opacity: 0.86;
}

.page-home .ky-archive__figure .media-frame__caption {
  display: block;
  padding-top: 10px;
  color: var(--slate-400);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 运行状态面板 ---------- */
.page-home .ky-console {
  border-bottom: var(--frame);
}

.page-home .ky-console__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-home .ky-console__note {
  max-width: 30ch;
  color: var(--paper-faint);
  text-align: right;
}

.page-home .ky-console__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  background: var(--ink-700);
  border: var(--frame);
  box-shadow: var(--hard-2);
  padding: clamp(20px, 2.6vw, 34px);
}

.page-home .ky-readout {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-home .ky-readout__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-500);
}

.page-home .ky-readout__row:last-child {
  border-bottom: 0;
}

.page-home .ky-readout__row dt {
  color: var(--paper-faint);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-home .ky-readout__row dd {
  margin: 0;
  color: var(--gold-300);
  font-size: 14px;
  text-align: right;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-home .ky-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
}

.page-home .ky-dot--gold {
  background: var(--gold-300);
}

.page-home .ky-console__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.page-home .ky-console__stats .stat {
  padding: 14px;
  background: var(--ink-850);
  border: 1px solid var(--line-500);
  border-top: 3px solid var(--gold-500);
}

.page-home .ky-console__stats .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  color: var(--gold-300);
  line-height: 1.1;
}

.page-home .ky-console__stats .stat__label {
  display: block;
  margin-top: 8px;
  color: var(--paper-dim);
  font-size: 13px;
  line-height: 1.6;
}

.page-home .ky-console__since {
  margin: 0 0 16px;
  color: var(--paper-faint);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- 地域纹理带 ---------- */
.page-home .ky-band {
  padding: clamp(28px, 4vw, 52px) 0 0;
}

.page-home .ky-band__figure {
  position: relative;
  border: var(--frame);
  box-shadow: var(--hard-1);
  overflow: hidden;
  max-height: 190px;
}

.page-home .ky-band__figure img {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.72);
}

.page-home .ky-band__caption {
  display: block;
  margin-top: 12px;
  color: var(--paper-faint);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-align: right;
}

/* ---------- 选读点 ---------- */
.page-home .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .ky-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .ky-cell--focus {
    grid-column: 1 / -1;
    min-height: 420px;
  }

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

  .page-home .ky-path:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-home .ky-flow__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: stretch;
  }

  .page-home .ky-archive__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-home .ky-console__panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (min-width: 1024px) {
  .page-home {
    --ky-gap: 16px;
  }

  .page-home .ky-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: minmax(178px, auto);
  }

  .page-home .ky-cell--focus {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
    min-height: 0;
  }

  .page-home .ky-cell--archive {
    grid-column: 3 / 5;
    grid-row: 1 / 2;
  }

  .page-home .ky-cell--guide {
    grid-column: 3 / 4;
    grid-row: 2 / 3;
  }

  .page-home .ky-cell--quick {
    grid-column: 4 / 5;
    grid-row: 2 / 3;
  }

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

  .page-home .ky-path:first-child {
    grid-column: auto;
  }

  .page-home .ky-path:nth-child(2) {
    transform: translateY(22px);
  }
}

@media (min-width: 1280px) {
  .page-home .ky-hero__head {
    max-width: 940px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ky-cell,
  .page-home .ky-path {
    transition: none;
  }

  .page-home .ky-cell:hover {
    transform: none;
  }
}