.page-home {
  --home-tint: rgba(184, 255, 240, .06);
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 8vw, 96px) 0 clamp(56px, 8vw, 104px);
  color: var(--text-on-dark);
  background:
    radial-gradient(115% 85% at 94% 6%, rgba(0, 229, 192, .16), transparent 60%),
    linear-gradient(158deg, var(--ink-green) 0%, var(--ink-green-deep) 88%);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -34%;
  width: 62%;
  height: 72%;
  background: repeating-linear-gradient(115deg, rgba(184, 255, 240, .1) 0 1px, transparent 1px 16px);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(34px, 6vw, 64px);
  align-items: center;
}

.page-home .hero__tower {
  text-align: left;
}

.page-home .hero__tower h1 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.6vw, 54px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -.01em;
  color: #FFFFFF;
  text-wrap: balance;
}

.page-home .hero__tower .lead {
  margin: 22px 0 0;
  max-width: 50ch;
  font-size: clamp(16px, 2.3vw, 18px);
  line-height: 1.85;
  color: var(--cyan-soft);
}

.page-home .hero__ver {
  font-family: var(--font-mono);
  color: var(--orange);
  font-size: 1.05em;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 38px);
}

.page-home .hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 22px 26px;
  margin: clamp(34px, 5vw, 52px) 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.page-home .hero__fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-home .hero__fact dd {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-on-dark);
}

.page-home .hero__visual {
  position: relative;
}

.page-home .hero__panel {
  position: relative;
  margin: 0;
  border: 1px solid rgba(0, 229, 192, .4);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-green-deep);
  box-shadow: 0 46px 90px -56px rgba(0, 0, 0, .95);
}

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

.page-home .hero__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-home .hero__lines {
  position: absolute;
  left: -6%;
  bottom: -14%;
  width: 46%;
  max-width: 260px;
  color: rgba(0, 229, 192, .45);
  pointer-events: none;
}

/* ============ 第二屏时间轴 ============ */
.page-home .timeline {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--mist);
  color: var(--text);
}

.page-home .timeline__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .timeline__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
}

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

.page-home .timeline h2 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 38px);
  line-height: 1.26;
  color: var(--ink-green-deep);
  text-wrap: balance;
}

.page-home .timeline .lead {
  max-width: 62ch;
  margin-top: 18px;
  color: var(--text-soft);
}

.page-home .tl {
  position: relative;
  list-style: none;
  display: flex;
  gap: 16px;
  margin: clamp(32px, 5vw, 54px) 0 0;
  padding: 0 0 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .tl__node {
  flex: 0 0 76%;
  scroll-snap-align: start;
  padding: 26px 22px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}

.page-home .tl__node::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 122, 69, .16);
}

.page-home .tl__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--sage);
}

.page-home .tl__node h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-green-deep);
}

.page-home .tl__node p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-home .tl__node:hover,
.page-home .tl__node:focus-within {
  transform: translateY(-5px);
  border-color: rgba(0, 229, 192, .65);
  box-shadow: var(--shadow-soft);
}

.page-home .feedback-bar {
  display: grid;
  gap: 22px;
  align-items: center;
  margin-top: clamp(30px, 4vw, 44px);
  padding: clamp(24px, 4vw, 36px);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: var(--indigo);
  color: var(--text-on-dark);
}

.page-home .feedback-bar h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.4;
  color: #FFFFFF;
}

.page-home .feedback-bar p {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(215, 230, 223, .88);
}

/* ============ 导出 ============ */
.page-home .export {
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--paper);
  color: var(--text);
}

.page-home .export__grid {
  display: grid;
  gap: clamp(30px, 5vw, 58px);
  align-items: center;
}

.page-home .export h2 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 36px);
  line-height: 1.26;
  color: var(--ink-green-deep);
}

.page-home .export__copy > p {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-home .export__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .export__list li {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--paper);
}

.page-home .export__list strong {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--wine);
}

.page-home .export__list span {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-home .export__copy .btn {
  margin-top: 28px;
}

.page-home .export__shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--mist);
  box-shadow: var(--shadow-soft);
}

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

.page-home .export__shot figcaption {
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--text-soft);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

/* ============ 索引卡片网格 ============ */
.page-home .index {
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--indigo);
  color: var(--text-on-dark);
}

.page-home .index__head {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-home .index h2 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.26;
  color: #FFFFFF;
  text-wrap: balance;
}

.page-home .index .lead {
  max-width: 56ch;
  margin-top: 18px;
  color: rgba(184, 255, 240, .82);
}

.page-home .index__texture {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .index__texture img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .9;
}

.page-home .index__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(32px, 5vw, 52px);
}

.page-home .index__card {
  display: block;
  padding: 24px 22px 26px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--home-tint);
  color: inherit;
  text-decoration: none;
  transition: transform .32s var(--ease), border-color .32s var(--ease), background-color .32s var(--ease);
}

.page-home .index__card:hover,
.page-home .index__card:focus-visible {
  transform: translateY(-5px);
  border-color: var(--cyan);
  background: rgba(0, 229, 192, .1);
}

.page-home .index__card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .index__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-home .index__card h3 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.4;
  color: #FFFFFF;
}

.page-home .index__card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(215, 230, 223, .84);
}

.page-home .index__go {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--orange);
}

/* ============ 响应式 ============ */
@media (min-width: 620px) {
  .page-home .tl__node {
    flex: 0 0 46%;
  }

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

@media (min-width: 900px) {
  .page-home .export__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-home .index__head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-home .feedback-bar {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 36px;
  }
}

@media (min-width: 960px) {
  .page-home .tl {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .tl__node {
    flex: none;
  }
}

@media (min-width: 1040px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(44px, 5vw, 80px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .tl__node,
  .page-home .index__card {
    transition: none;
  }

  .page-home .tl__node:hover,
  .page-home .tl__node:focus-within,
  .page-home .index__card:hover,
  .page-home .index__card:focus-visible {
    transform: none;
  }
}