.page-home {
  --home-pad: clamp(52px, 8vw, 110px);
  --home-gap: clamp(20px, 3.4vw, 40px);
  display: block;
  width: 100%;
  background: var(--pitch);
  color: var(--white);
  font-family: var(--font-display);
  overflow-x: hidden;
}

.page-home .home-hero,
.page-home .home-panels,
.page-home .home-timeline,
.page-home .home-cycle,
.page-home .home-column,
.page-home .home-contact {
  position: relative;
  padding: var(--home-pad) 0;
}

.page-home .home-hero {
  padding-top: clamp(28px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 88px);
  opacity: .45;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 90%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 90%);
  pointer-events: none;
}

.page-home .home-panels,
.page-home .home-timeline,
.page-home .home-cycle,
.page-home .home-column {
  border-bottom: 1px solid var(--line);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .home-hero__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-home .home-hero__kicker {
  margin: 0;
  color: var(--accent);
}

.page-home .home-hero h1 {
  margin: 0;
  font-size: clamp(42px, 11vw, 88px);
  line-height: .96;
  letter-spacing: -.02em;
  font-weight: 900;
}

.page-home .home-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .home-hero__ends {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 6px;
}

.page-home .endpoint {
  padding-top: 14px;
  border-top: 4px solid var(--line-strong);
}

.page-home .endpoint--now {
  border-top-color: var(--accent);
}

.page-home .endpoint__num {
  display: block;
  margin-top: 8px;
  font-size: clamp(26px, 5.4vw, 40px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
}

.page-home .endpoint--now .endpoint__num {
  color: var(--accent);
}

.page-home .endpoint__note {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* 战术板 */
.page-home .home-hero__board {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-home .home-hero__board::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--season-1), var(--season-2), var(--accent));
  transform: skewY(calc(var(--slope) * -1));
  transform-origin: left center;
  z-index: 2;
}

.page-home .hero-shot {
  position: relative;
  flex: 1 1 auto;
  min-height: 240px;
  overflow: hidden;
}

.page-home .hero-shot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72) contrast(1.06) brightness(.7);
}

.page-home .tactic-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--accent);
  opacity: .72;
  pointer-events: none;
}

.page-home .tactic-map__dots circle {
  fill: var(--accent);
}

.page-home .tactic-map__lines path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.page-home .tactic-map__hub {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
}

.page-home .board-index {
  list-style: none;
  margin: 0;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  background: var(--panel-soft);
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 2;
}

.page-home .board-index a {
  display: block;
  padding: 11px 12px;
  background: var(--pitch);
  border-left: 3px solid var(--accent);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}

.page-home .board-index a:hover,
.page-home .board-index a:focus-visible {
  transform: translateX(8px);
  background: var(--accent);
  color: var(--pitch);
}

/* 章节标题 */
.page-home .section-head {
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-home .section-head h2 {
  margin: 10px 0 0;
  max-width: 22ch;
  font-size: clamp(26px, 4.8vw, 44px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-home .section-head h2::after {
  content: "";
  display: block;
  width: 84px;
  height: 5px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.page-home .section-head__note {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .section-head--split {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.page-home .section-head--split h2 {
  max-width: 24ch;
}

/* 四块面板 */
.page-home .panel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .panel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 24px 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-home .panel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent);
  transition: height .38s var(--ease);
}

.page-home .panel-card:hover,
.page-home .panel-card:focus-within {
  border-color: var(--line-strong);
  background: var(--panel-soft);
}

.page-home .panel-card:hover::before,
.page-home .panel-card:focus-within::before {
  height: 100%;
}

.page-home .panel-card__idx {
  margin: 0;
  color: var(--muted);
}

.page-home .panel-card__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 31px);
  line-height: 1.15;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-home .panel-card__body {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .panel-card__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.page-home .panel-card__stat .num {
  font-size: clamp(30px, 5.2vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.page-home .panel-card__link {
  align-self: flex-start;
  margin-top: 6px;
  padding-bottom: 2px;
  color: var(--accent-soft);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .panel-card__link:hover,
.page-home .panel-card__link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* 赛季时间轴 */
.page-home .timeline-shot {
  margin: 0 0 clamp(30px, 5vw, 56px);
  aspect-ratio: 1440 / 640;
  border: 1px solid var(--line);
}

.page-home .timeline-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.8) brightness(.68);
}

.page-home .era-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-home .era-node {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-home .era-node::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 58px;
  height: 6px;
  background: var(--era, var(--season-2));
  transform: skewY(calc(var(--slope) * -1));
  transform-origin: left center;
}

.page-home .era-node--1 { --era: var(--season-1); }
.page-home .era-node--2 { --era: var(--season-2); }
.page-home .era-node--3 { --era: var(--accent); }

.page-home .era-node__season {
  display: block;
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-home .era-node__title {
  margin: 10px 0 10px;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-home .era-node__body {
  margin: 0 0 14px;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .era-node__link {
  color: var(--accent-soft);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .era-node__link:hover,
.page-home .era-node__link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* 更新节奏 */
.page-home .home-cycle__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .home-cycle__text h2 {
  margin: 10px 0 0;
  max-width: 20ch;
  font-size: clamp(26px, 4.8vw, 44px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-home .home-cycle__lead {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .cycle-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-home .cycle-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-home .cycle-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .cycle-step__num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-home .cycle-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.page-home .cycle-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .home-cycle__figure {
  margin: 0;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  max-width: 520px;
}

.page-home .home-cycle__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.65) brightness(.72);
}

/* 专栏列表 */
.page-home .column-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .column-item {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.page-home .column-item:last-child {
  padding-bottom: 0;
}

.page-home .column-item__fig {
  aspect-ratio: 16 / 9;
  margin: 0 0 18px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-home .column-item__fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.7) brightness(.75);
}

.page-home .column-item h3 {
  margin: 8px 0 10px;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.32;
  letter-spacing: -.01em;
  font-weight: 700;
}

.page-home .column-item h3 a {
  color: inherit;
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-home .column-item h3 a:hover,
.page-home .column-item h3 a:focus-visible {
  color: var(--accent);
}

.page-home .column-item__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.74;
  color: var(--muted);
}

/* 反馈与合作 */
.page-home .home-contact {
  border-bottom: 0;
  background: var(--archive);
}

.page-home .home-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .home-contact h2 {
  margin: 10px 0 0;
  max-width: 18ch;
  font-size: clamp(26px, 4.8vw, 42px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-home .home-contact__lead {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .home-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .contact-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .contact-list .label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
}

.page-home .contact-list__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  word-break: break-word;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-home .era-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

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

  .page-home .column-item--lead {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 36px;
    align-items: center;
  }

  .page-home .column-item--lead .column-item__fig {
    margin: 0;
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: stretch;
    gap: clamp(28px, 4vw, 64px);
  }

  .page-home .home-hero__text {
    padding-right: 8px;
  }

  .page-home .panel-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
    gap: 36px 24px;
  }

  .page-home .panel-card--a { grid-column: 1 / span 5; }
  .page-home .panel-card--b { grid-column: 7 / span 6; margin-top: 72px; }
  .page-home .panel-card--c { grid-column: 2 / span 5; }
  .page-home .panel-card--d { grid-column: 8 / span 5; margin-top: 56px; }

  .page-home .home-cycle__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
    gap: clamp(28px, 4vw, 60px);
  }

  .page-home .home-cycle__figure {
    max-width: none;
  }

  .page-home .home-contact__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: start;
    gap: clamp(28px, 4vw, 60px);
  }

  .page-home .column-item--lead h3 {
    font-size: clamp(24px, 2.6vw, 32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .board-index a,
  .page-home .panel-card,
  .page-home .panel-card::before,
  .page-home .panel-card__link,
  .page-home .era-node__link,
  .page-home .column-item h3 a {
    transition: none;
  }

  .page-home .board-index a:hover,
  .page-home .board-index a:focus-visible {
    transform: none;
  }
}

@media print {
  .page-home .home-hero::before,
  .page-home .tactic-map,
  .page-home .home-contact__actions {
    display: none;
  }
}