.page-home {
  display: block;
}

/* ============ 首屏 ============ */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 88px) 0 clamp(36px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 12%, rgba(255,122,47,.16) 0%, rgba(255,122,47,0) 58%),
    var(--blue);
  color: var(--white);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-home .home-hero .container {
  position: relative;
  z-index: 1;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 6vw, 64px);
  align-items: center;
}

.page-home .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
}

.page-home .hero-kicker .beat {
  width: 9px;
  height: 9px;
  background: var(--orange);
  animation: homeBeat 2.4s var(--ease) infinite;
}

.page-home .home-hero h1 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.4vw, 68px);
  line-height: 1.08;
  letter-spacing: -.02em;
  max-width: 15em;
}

.page-home .hero-lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.9;
  color: rgba(255,255,255,.82);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .hero-slogan {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 30px 0 0;
  font-size: 13px;
  letter-spacing: .12em;
  color: rgba(255,255,255,.6);
}

.page-home .hero-slogan .morse-split {
  opacity: .8;
}

/* 首屏右侧信号波纹 */
.page-home .hero-visual {
  position: relative;
}

.page-home .ripple-stage {
  position: relative;
  width: min(100%, 440px);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
}

.page-home .ripple-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  transform: translate(-50%, -50%);
  animation: homeRipple 7s var(--ease) infinite;
}

.page-home .ripple-ring.r1 { width: 100%; height: 100%; animation-delay: 0s; border-color: rgba(255,255,255,.1); }
.page-home .ripple-ring.r2 { width: 74%; height: 74%; animation-delay: .5s; }
.page-home .ripple-ring.r3 { width: 46%; height: 46%; animation-delay: 1s; }
.page-home .ripple-ring.r4 { width: 20%; height: 20%; animation-delay: 1.5s; border-color: rgba(255,122,47,.6); }

.page-home .ripple-ray {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.28) 30%, rgba(255,122,47,.7) 50%, rgba(255,255,255,.28) 70%, rgba(255,255,255,0) 100%);
  transform: translate(-50%, -50%);
}

.page-home .ripple-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 8px rgba(255,122,47,.14);
  animation: homeCore 2.4s steps(1, end) infinite;
}

.page-home .hero-callout {
  margin: 22px 0 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

.page-home .hero-figure {
  margin: clamp(36px, 5vw, 64px) 0 0;
  border: 1px solid var(--line-white);
}

.page-home .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.94);
}

/* ============ 四条路径 ============ */
.page-home .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 44px);
  align-items: start;
}

.page-home .route-fold {
  background: var(--white);
  border: 1px solid var(--line-blue);
  border-top: 3px solid var(--blue);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-slow) var(--ease);
}

.page-home .route-fold:nth-child(2) { border-top-color: var(--orange); }
.page-home .route-fold:nth-child(3) { border-top-color: var(--grass); }
.page-home .route-fold:nth-child(4) { border-top-color: var(--tea); }

.page-home .route-head {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 20px 18px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: background var(--t-fast) var(--ease);
}

.page-home .route-head:hover,
.page-home .route-head:focus-visible {
  background: var(--tea-lite);
}

.page-home .route-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-home .route-name {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--blue);
}

.page-home .route-status {
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  background: var(--tea-lite);
  color: var(--blue);
  border: 1px solid var(--line-blue);
  white-space: nowrap;
}

.page-home .route-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 14px;
  color: var(--blue-mid);
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
  transition: color var(--t-fast) var(--ease);
}

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

/* ============ 本季改版 ============ */
.page-home .revision-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .revision-sub {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--blue);
}

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

.page-home .column-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  grid-template-areas:
    "no name"
    "no note";
  gap: 2px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-blue);
}

.page-home .col-no {
  grid-area: no;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  padding-top: 3px;
}

.page-home .col-name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--blue);
}

.page-home .col-note {
  grid-area: note;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
}

.page-home .revision-aside {
  padding: 24px 22px;
  background: var(--tea);
  border-left: 2px solid var(--orange);
}

.page-home .aside-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-home .aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .aside-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--blue);
}

.page-home .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-home .aside-foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(18,48,79,.18);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--blue);
}

/* ============ 最近更新 ============ */
.page-home .home-updates .chapter-title,
.page-home .home-updates .chapter-text {
  color: var(--white);
}

.page-home .updates-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .updates-figure {
  margin: 0;
  border: 1px solid var(--line-white);
}

.page-home .updates-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .updates-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .updates-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--line-white);
}

.page-home .updates-list li:first-child {
  padding-top: 0;
}

.page-home .update-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  background: var(--orange);
  color: var(--blue-deep);
}

.page-home .update-name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  color: var(--white);
}

.page-home .updates-list p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,.72);
}

/* ============ 四件事 ============ */
.page-home .qa-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(26px, 4vw, 40px);
  align-items: start;
}

.page-home .qa-list {
  display: grid;
  gap: 12px;
}

.page-home .qa-head {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--line-blue);
  border-left: 2px solid var(--blue);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .qa-head:hover,
.page-home .qa-head:focus-visible {
  background: var(--orange-lite);
  border-left-color: var(--orange);
}

.page-home .qa-q {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.5;
  color: var(--blue);
}

.page-home .qa-figure {
  margin: 0;
  border: 1px solid var(--line-blue);
  background: var(--white);
}

.page-home .qa-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .qa-figure .figure-caption {
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
  border-top: 1px solid var(--line-blue);
}

/* ============ 覆盖范围 ============ */
.page-home .home-coverage .chapter-title,
.page-home .home-coverage .chapter-text {
  color: var(--white);
}

.page-home .coverage-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 40px);
  align-items: start;
}

.page-home .coverage-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-white);
  border: 1px solid var(--line-white);
}

.page-home .coverage-stats li {
  padding: 22px 18px;
  background: var(--blue-deep);
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1;
  color: var(--orange);
}

.page-home .stat-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(255,255,255,.66);
}

.page-home .coverage-figure {
  margin: 0;
  border: 1px solid var(--line-white);
}

.page-home .coverage-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-home .coverage-figure .figure-caption {
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,.66);
  border-top: 1px solid var(--line-white);
}

.page-home .coverage-notes {
  margin-top: clamp(28px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-white);
  border: 1px solid var(--line-white);
}

.page-home .coverage-notes p {
  margin: 0;
  padding: 22px 20px;
  background: var(--blue-deep);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255,255,255,.78);
}

.page-home .coverage-notes strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-home .coverage-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 40px);
}

/* ============ 动效 ============ */
@keyframes homeRipple {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: .5; }
  50% { transform: translate(-50%, -50%) scale(1.035); opacity: 1; }
}

@keyframes homeCore {
  0%, 100% { opacity: 1; }
  40% { opacity: .22; }
  62% { opacity: 1; }
}

@keyframes homeBeat {
  0%, 100% { opacity: 1; }
  20% { opacity: .25; }
  36% { opacity: 1; }
  56% { opacity: .25; }
  72% { opacity: 1; }
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-home .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .coverage-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
  .page-home .revision-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  }
  .page-home .updates-layout {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }
  .page-home .qa-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
  .page-home .coverage-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  }
}

@media (min-width: 1080px) {
  .page-home .route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .coverage-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ripple-ring,
  .page-home .ripple-core,
  .page-home .hero-kicker .beat {
    animation: none;
  }
  .page-home .ripple-ring { opacity: .7; }
}
</main>
