.page-home {
  --home-line: rgba(242, 240, 235, 0.14);
  --home-cell-bg: #0B0D0C;
  --home-cell-hover: #111716;
  --home-skew: -5deg;
  --home-gap: clamp(14px, 2.4vw, 28px);
}

/* ---------- Hero ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 74vh;
  padding-block: clamp(72px, 13vh, 132px) clamp(64px, 11vh, 116px);
  background: var(--ink);
}

.page-home .hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
}

.page-home .hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 76% 46%;
  max-width: 100%;
  opacity: 0.42;
}

.page-home .hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(102deg, var(--ink) 20%, rgba(11, 13, 12, 0.78) 54%, rgba(11, 13, 12, 0.2) 100%),
    linear-gradient(180deg, rgba(11, 13, 12, 0.5) 0%, rgba(11, 13, 12, 0.94) 92%);
}

.page-home .hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(18px, 2.8vw, 30px);
  max-width: 900px;
}

.page-home .hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-home .hero-num {
  color: var(--flame);
  font-weight: 700;
}

.page-home .hero-rule {
  display: block;
  width: clamp(28px, 6vw, 56px);
  height: 1px;
  background: var(--flame);
  flex: none;
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.5rem, 9.6vw, 6.6rem);
  line-height: 1.0;
  letter-spacing: -0.02em;
  display: grid;
  gap: 0.06em;
}

.page-home .hero-title-a {
  display: block;
  color: var(--paper);
  position: relative;
  padding-left: 0.06em;
}

.page-home .hero-title-a::before {
  content: "";
  position: absolute;
  left: -0.1em;
  top: 0.14em;
  bottom: 0.14em;
  width: 3px;
  background: var(--flame);
}

.page-home .hero-title-b {
  display: block;
  color: var(--flame);
  transform: skewX(var(--home-skew));
  transform-origin: left center;
  padding-left: 0.06em;
}

.page-home .hero-lead {
  margin: 0;
  max-width: 40ch;
  font-size: clamp(0.98rem, 2.3vw, 1.1rem);
  line-height: 1.86;
  color: var(--on-pitch);
}

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

.page-home .hero-flag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-home .hero-flag-dot {
  width: 8px;
  height: 8px;
  flex: none;
  background: var(--flame);
  border-radius: 50%;
  animation: home-beat 2.4s var(--ease) infinite;
}

@keyframes home-beat {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 77, 26, 0.55); }
  55% { box-shadow: 0 0 0 9px rgba(255, 77, 26, 0); }
}

.page-home .hero-slash {
  position: absolute;
  right: -14%;
  bottom: 12%;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--flame), transparent);
  transform: rotate(-9deg);
  z-index: 2;
  opacity: 0.7;
  pointer-events: none;
}

/* ---------- 通用区块 ---------- */
.page-home .home-block {
  padding-block: clamp(58px, 9vw, 112px);
}

.page-home .block-head {
  max-width: 760px;
  margin-bottom: clamp(28px, 4.4vw, 52px);
}

.page-home .section-title {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.65rem, 5vw, 2.9rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .block-lead {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(0.94rem, 2.1vw, 1.02rem);
  line-height: 1.85;
  color: var(--on-pitch);
}

/* ---------- 网格底板 ---------- */
.page-home .home-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3.2vw, 34px);
  background: var(--home-cell-bg);
  transition: background 160ms var(--ease), transform 160ms var(--ease);
}

.page-home .cell::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color 160ms var(--ease);
}

.page-home .cell::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--flame);
}

.page-home .cell:hover {
  background: var(--home-cell-hover);
  transform: translateY(-4px);
}

.page-home .cell:hover::after {
  border-color: var(--flame);
}

.page-home .cell-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--flame);
}

.page-home .cell-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.14rem, 2.9vw, 1.42rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-home .cell-text {
  margin: 0;
  max-width: 46ch;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--on-pitch);
}

.page-home .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.9rem, 6.4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-home .num + small,
.page-home .num small {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--graphite);
  margin-left: 6px;
  letter-spacing: 0.04em;
}

.page-home .cell-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-home .cell-num {
  margin: 0;
  line-height: 1;
}

.page-home .cell-label {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--on-pitch);
}

/* ---------- 赛场脉冲主块 ---------- */
.page-home .pulse-main {
  background: linear-gradient(158deg, #0E3B2E 0%, #0B0D0C 62%);
}

.page-home .pulse-main-copy {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .cell-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 40px);
  margin: 4px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--home-line);
}

.page-home .fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}

.page-home .fact dt {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-home .fact dd {
  margin: 0;
  line-height: 1;
}

.page-home .pulse-main-media {
  margin: 4px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-home .pulse-main-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  border: 1px solid var(--home-line);
  filter: saturate(1.05) contrast(1.06);
}

.page-home .pulse-main-media figcaption {
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 时间轴 ---------- */
.page-home .pulse-side {
  background: #0E3B2E;
}

.page-home .timeline {
  list-style: none;
  margin: 8px 0 0;
  padding: 0 0 0 2px;
  display: grid;
  gap: 0;
  border-left: 1px solid rgba(31, 169, 122, 0.4);
}

.page-home .timeline-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0 11px 18px;
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  background: var(--mint);
  transform: rotate(45deg);
}

.page-home .timeline-idx {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--mint);
  flex: none;
}

.page-home .timeline-node {
  font-size: 0.88rem;
  color: var(--paper);
}

/* ---------- 三步入口 ---------- */
.page-home .path-section {
  background: linear-gradient(180deg, rgba(14, 59, 46, 0.42) 0%, rgba(11, 13, 12, 0) 78%);
}

.page-home .path-grid {
  display: grid;
  gap: clamp(30px, 5vw, 60px);
  align-items: start;
}

.page-home .path-copy > .section-title {
  margin-top: 0;
}

.page-home .path-steps {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .path-step {
  display: flex;
  gap: clamp(14px, 3vw, 22px);
  padding: clamp(16px, 2.8vw, 24px);
  background: var(--ink);
  transition: background 160ms var(--ease);
}

.page-home .path-step:hover {
  background: var(--home-cell-hover);
}

.page-home .path-num {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3.4vw, 1.5rem);
  font-weight: 700;
  color: var(--flame);
  line-height: 1.1;
  flex: none;
  min-width: 2.2em;
}

.page-home .path-body {
  display: grid;
  gap: 6px;
}

.page-home .path-name {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1rem, 2.6vw, 1.16rem);
  line-height: 1.36;
  color: var(--paper);
}

.page-home .path-text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--on-pitch);
}

.page-home .path-link {
  margin-top: clamp(20px, 3.4vw, 30px);
}

.page-home .path-media {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home .path-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: 1px solid var(--home-line);
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-home .path-media figcaption {
  font-size: 0.76rem;
  line-height: 1.72;
  color: var(--graphite);
}

/* ---------- 专题横带 ---------- */
.page-home .topics-section {
  padding-block: clamp(52px, 8vw, 96px);
  background: var(--pitch);
  border-block: 1px solid var(--home-line);
}

.page-home .topics-head {
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-home .topics-head .section-title {
  margin-bottom: 14px;
}

.page-home .topics-rail {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-inline: var(--pad);
  padding-block: 4px 20px;
  scrollbar-width: thin;
}

.page-home .topics-rail:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: -2px;
}

.page-home .topics-track {
  display: flex;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
  width: max-content;
}

.page-home .topic-card {
  flex: 0 0 min(80vw, 316px);
  scroll-snap-align: start;
}

.page-home .topic-link {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: clamp(20px, 3vw, 28px);
  background: rgba(11, 13, 12, 0.72);
  border: 1px solid var(--home-line);
  text-decoration: none;
  color: inherit;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-home .topic-link:hover,
.page-home .topic-link:focus-visible {
  border-color: var(--flame);
  transform: translateY(-4px);
}

.page-home .topic-idx {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-home .topic-name {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1rem, 2.6vw, 1.14rem);
  line-height: 1.42;
  color: var(--paper);
}

.page-home .topic-text {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.78;
  color: var(--on-pitch);
}

.page-home .topic-go {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mint);
}

/* ---------- 数据工具 ---------- */
.page-home .tool-main {
  background: linear-gradient(200deg, #14211D 0%, #0B0D0C 58%);
}

.page-home .tool-main-copy {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .tool-points {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .tool-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--on-pitch);
}

.page-home .tool-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--mint);
}

.page-home .tool-main-copy .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-home .tool-main-media {
  margin: 4px 0 0;
}

.page-home .tool-main-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  border: 1px solid var(--home-line);
  opacity: 0.9;
}

.page-home .tool-side {
  background: var(--home-cell-bg);
}

.page-home .tool-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--home-line);
  font-size: 0.82rem;
  line-height: 1.76;
  color: var(--graphite);
}

/* ---------- 目录索引 ---------- */
.page-home .index-section {
  border-top: 1px solid var(--home-line);
}

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

.page-home .index-item {
  border-bottom: 1px solid var(--home-line);
}

.page-home .index-link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 18px;
  padding: clamp(18px, 3vw, 26px) 0;
  text-decoration: none;
  color: inherit;
  transition: padding-left 180ms var(--ease), color 160ms var(--ease);
}

.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  padding-left: 12px;
}

.page-home .index-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--flame);
  padding-top: 0.34em;
}

.page-home .index-name {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.02rem, 2.8vw, 1.24rem);
  line-height: 1.4;
  color: var(--paper);
}

.page-home .index-desc {
  grid-column: 2;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--on-pitch);
  max-width: 60ch;
}

.page-home .index-link:hover .index-name,
.page-home .index-link:focus-visible .index-name {
  color: var(--flame);
}

.page-home .index-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(22px, 3.4vw, 32px);
  border-top: 2px solid var(--flame);
}

.page-home .index-foot-text {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1rem, 2.8vw, 1.2rem);
  line-height: 1.5;
  color: var(--paper);
  max-width: 34ch;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-home .home-grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .page-home .span-3 { grid-column: span 3; }
  .page-home .span-4 { grid-column: span 4; }
  .page-home .span-6 { grid-column: span 6; }
  .page-home .span-8 { grid-column: span 8; }

  .page-home .hero-canvas {
    clip-path: polygon(0 0, 100% 0, 100% 78%, 0 100%);
  }

  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .index-link {
    grid-template-columns: auto minmax(200px, 0.5fr) 1fr;
    align-items: baseline;
  }

  .page-home .index-desc {
    grid-column: 3;
    padding-top: 0.18em;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-home .home-hero {
    min-height: 82vh;
    padding-block: clamp(96px, 15vh, 168px) clamp(80px, 13vh, 140px);
  }

  .page-home .pulse-main {
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: clamp(22px, 3vw, 40px);
    align-items: start;
  }

  .page-home .pulse-main-media {
    margin-top: 0;
  }

  .page-home .path-grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: clamp(40px, 5.5vw, 80px);
  }

  .page-home .path-media {
    margin-top: clamp(24px, 4vw, 48px);
  }

  .page-home .tool-main {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(24px, 3.4vw, 44px);
    align-items: center;
  }

  .page-home .tool-main-media {
    margin-top: 0;
  }

  .page-home .index-link {
    grid-template-columns: auto minmax(220px, 0.42fr) 1fr;
  }
}

@media (min-width: 1320px) {
  .page-home .hero-title {
    font-size: clamp(3.4rem, 7.4vw, 6.8rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-flag-dot {
    animation: none;
  }

  .page-home .cell,
  .page-home .topic-link,
  .page-home .index-link,
  .page-home .path-step {
    transition: none;
  }
}