.page-home {
  --home-line: rgba(31, 224, 192, 0.16);
  --home-rule: rgba(94, 110, 117, 0.32);
  color: var(--ink);
  background: var(--mist);
  overflow-x: clip;
}

.page-home .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-home .section {
  padding-block: clamp(52px, 8vw, 100px);
}

.page-home .sec-head {
  max-width: 60ch;
}

.page-home .sec-head .sec-title {
  margin-top: 10px;
}

.page-home .sec-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.65rem, 4.6vw, 2.9rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--deep);
  margin: 0;
}

.page-home .sec-lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--rock);
  max-width: 46ch;
}

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--aurora-ink);
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--mist);
  border-bottom: var(--border-thick) solid var(--ink);
  background:
    radial-gradient(120% 90% at 84% 6%, rgba(45, 156, 255, 0.34) 0%, rgba(5, 42, 59, 0) 58%),
    radial-gradient(90% 70% at 4% 96%, rgba(31, 224, 192, 0.22) 0%, rgba(7, 20, 29, 0) 56%),
    linear-gradient(168deg, #073346 0%, #052A3B 44%, #07141D 100%);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    repeating-linear-gradient(90deg, var(--home-line) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, var(--home-line) 0 1px, transparent 1px 84px);
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
  padding-block: clamp(44px, 8vw, 92px) clamp(48px, 8vw, 92px);
}

.page-home .hero__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.35rem, 9.2vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 14px 0 0;
  color: var(--mist);
}

.page-home .hero__accent {
  color: var(--aurora);
  background-image: linear-gradient(transparent 68%, rgba(255, 122, 61, 0.42) 68%);
  background-repeat: no-repeat;
  padding-inline: 0.06em;
}

.page-home .hero__lead {
  margin: 22px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.82;
  color: rgba(243, 248, 247, 0.82);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 14px 18px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hero__facts li {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 2px solid rgba(243, 248, 247, 0.22);
}

.page-home .hero__facts strong {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.6vw, 2rem);
  line-height: 1;
  color: var(--sand);
}

.page-home .hero__facts span {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(243, 248, 247, 0.68);
}

.page-home .hero__visual {
  position: relative;
  min-width: 0;
}

.page-home .home-orbit {
  display: block;
  width: 100%;
  height: auto;
  max-height: 620px;
}

.page-home .home-orbit__grid path {
  fill: none;
  stroke: rgba(31, 224, 192, 0.16);
  stroke-width: 1;
}

.page-home .home-orbit__sphere ellipse {
  fill: none;
  stroke: rgba(45, 156, 255, 0.34);
  stroke-width: 1.2;
}

.page-home .home-orbit__ring {
  fill: none;
  stroke: rgba(231, 194, 122, 0.5);
  stroke-width: 1.5;
  stroke-dasharray: 4 14;
  transform-box: fill-box;
  transform-origin: center;
  animation: home-ring-spin 60s linear infinite;
}

.page-home .home-orbit__route {
  fill: none;
  stroke: url(#homeArcGrad);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 12 14;
  animation: home-route-flow 14s linear infinite;
}

.page-home .home-orbit__route--alt {
  stroke-width: 2;
  opacity: 0.7;
  animation-duration: 20s;
}

.page-home .home-orbit__nodes circle {
  fill: var(--aurora);
  stroke: var(--ink);
  stroke-width: 2;
}

.page-home .home-orbit__nodes .home-orbit__node--warm {
  fill: var(--orange);
}

.page-home .home-orbit__labels text {
  fill: rgba(243, 248, 247, 0.55);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
}

@keyframes home-ring-spin {
  to { transform: rotate(360deg); }
}

@keyframes home-route-flow {
  to { stroke-dashoffset: -260; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-orbit__ring,
  .page-home .home-orbit__route {
    animation: none;
  }
}

/* ---------- 入口坐标 ---------- */

.page-home .coords {
  background: var(--mist);
}

.page-home .coords__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .coord {
  position: relative;
  display: block;
  padding: 28px 22px 22px;
  background: #fff;
  border: var(--border-thick) solid var(--ink);
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  color: var(--ink);
  transition: box-shadow 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-home .coord::before {
  content: "";
  position: absolute;
  inset: calc(var(--border-thick) * -1) calc(var(--border-thick) * -1) auto;
  height: 9px;
  background: var(--coord-accent, var(--aurora));
}

.page-home .coord:hover,
.page-home .coord:focus-visible {
  box-shadow: var(--shadow-hard-lg);
  transform: translate(-2px, -2px);
}

.page-home .coords__grid > :nth-child(1) { --coord-accent: var(--aurora); }
.page-home .coords__grid > :nth-child(2) { --coord-accent: var(--volt); }
.page-home .coords__grid > :nth-child(3) { --coord-accent: var(--orange); }
.page-home .coords__grid > :nth-child(4) { --coord-accent: var(--sand); }

.page-home .coord__idx {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-home .coord__name {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3.4vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--deep);
  margin: 8px 0 0;
}

.page-home .coord__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .coord__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--deep);
  border-bottom: 2px solid var(--coord-accent, var(--aurora));
  padding-bottom: 2px;
}

.page-home .coords__media {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: var(--border-thick) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-home .coords__media img,
.page-home .devs__figure img,
.page-home .case__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 多端访问 ---------- */

.page-home .devs {
  background: linear-gradient(180deg, #ffffff 0%, var(--mist) 100%);
  border-top: var(--border-thick) solid var(--ink);
}

.page-home .devs__grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-home .devs__figure {
  margin: 0;
  border: var(--border-thick) solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--deep);
  overflow: hidden;
}

.page-home .devs__figure .media__caption {
  display: block;
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  background: var(--deep);
  border-top: 2px solid var(--ink);
}

.page-home .devs__body .sec-title {
  margin-top: 12px;
}

.page-home .steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--home-rule);
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-home .steps li strong {
  font-weight: 700;
  color: var(--deep);
}

.page-home .steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 26px;
  font-size: 12px;
  color: var(--ink);
  background: var(--sand);
  border: 2px solid var(--ink);
}

.page-home .devs__note {
  margin: 20px 0 24px;
  padding-left: 12px;
  border-left: 3px solid var(--aurora);
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 站内检索 ---------- */

.page-home .search {
  background: var(--deep);
  color: var(--mist);
  border-block: var(--border-thick) solid var(--ink);
}

.page-home .search__inner {
  max-width: 900px;
}

.page-home .search .eyebrow {
  color: var(--aurora);
}

.page-home .search__title {
  color: var(--mist);
  margin-top: 12px;
}

.page-home .search__lead {
  color: rgba(243, 248, 247, 0.78);
  max-width: 52ch;
}

.page-home .search__box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 28px;
  padding: 10px 16px;
  background: var(--mist);
  border: var(--border-thick) solid var(--ink);
  box-shadow: 9px 9px 0 rgba(31, 224, 192, 0.32);
  transition: box-shadow 0.2s var(--ease);
}

.page-home .search__box:focus-within {
  box-shadow: 0 0 0 3px var(--aurora), 12px 12px 0 rgba(255, 122, 61, 0.36);
}

.page-home .search__input {
  flex: 1 1 240px;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 12px 2px;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--ink);
}

.page-home .search__input:focus {
  outline: none;
}

.page-home .search__input::placeholder {
  color: var(--rock);
}

.page-home .search__hint {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--aurora-ink);
  white-space: nowrap;
}

.page-home .search__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-home .search__tags .tag {
  border-width: 2px;
  font-size: 13px;
}

.page-home .search__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  margin-top: 28px;
}

.page-home .search__stat {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(243, 248, 247, 0.66);
}

/* ---------- 时间轴 ---------- */

.page-home .news {
  background: var(--mist);
}

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

.page-home .news__head > div {
  max-width: 58ch;
}

.page-home .news__more {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 3px;
}

.page-home .timeline {
  margin-top: clamp(28px, 4vw, 44px);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  background: linear-gradient(90deg, rgba(231, 194, 122, 0.2), rgba(31, 224, 192, 0.14) 60%, rgba(45, 156, 255, 0.14));
  border-block: var(--border-thick) solid var(--ink);
  padding-inline: var(--pad-x);
}

.page-home .timeline__track {
  position: relative;
  display: flex;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 34px 0 26px;
  min-width: max-content;
}

.page-home .timeline__track::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--rock) 0 12px, transparent 12px 20px);
}

.page-home .tl {
  position: relative;
  flex: 0 0 258px;
  width: 258px;
  scroll-snap-align: start;
  padding: 20px 18px 22px;
  background: #fff;
  border: 2px solid var(--ink);
  box-shadow: 5px 5px 0 rgba(7, 20, 29, 0.12);
  transition: box-shadow 0.22s var(--ease);
}

.page-home .tl:hover {
  box-shadow: 8px 8px 0 rgba(7, 20, 29, 0.2);
}

.page-home .tl::before {
  content: "";
  position: absolute;
  top: -21px;
  left: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--sand);
  border: 2px solid var(--ink);
}

.page-home .tl__date {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--aurora-ink);
  background: rgba(31, 224, 192, 0.14);
  border: 1px solid rgba(11, 125, 108, 0.35);
  padding: 3px 8px;
}

.page-home .tl__title {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.45;
  color: var(--deep);
}

.page-home .tl__text {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--rock);
}

/* ---------- 案例精选 ---------- */

.page-home .cases {
  background: #fff;
  border-top: var(--border-thick) solid var(--ink);
}

.page-home .cases__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .case {
  display: flex;
  flex-direction: column;
  background: var(--mist);
  border: var(--border-thick) solid var(--ink);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  transition: box-shadow 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-home .case:hover {
  box-shadow: var(--shadow-hard-lg);
  transform: translate(-2px, -2px);
}

.page-home .case__media {
  margin: 0;
  border-bottom: var(--border-thick) solid var(--ink);
}

.page-home .case--lead .case__media img {
  aspect-ratio: 3 / 2;
}

.page-home .case__body {
  padding: 20px 20px 22px;
}

.page-home .case__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .case__title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  line-height: 1.35;
  color: var(--deep);
}

.page-home .case__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .case__meta {
  margin: 16px 0 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--rock);
}

.page-home .cases__stat {
  margin: 24px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
  padding-left: 12px;
  border-left: 3px solid var(--orange);
}

/* ---------- 反馈与收藏 ---------- */

.page-home .track {
  background: var(--paper);
  border-block: var(--border-thick) solid var(--ink);
}

.page-home .track .eyebrow {
  color: var(--orange);
}

.page-home .track__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .track__card {
  position: relative;
  padding: 24px 20px 24px;
  background: #fff;
  border: var(--border-thick) solid var(--ink);
  box-shadow: 6px 6px 0 rgba(7, 20, 29, 0.14);
}

.page-home .track__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-size: 13px;
  color: var(--ink);
  background: var(--aurora);
  border: 2px solid var(--ink);
}

.page-home .track__title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: 1.18rem;
  line-height: 1.4;
  color: var(--deep);
}

.page-home .track__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--rock);
}

/* ---------- 收尾 ---------- */

.page-home .closing {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--mist);
}

.page-home .closing__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-home .closing::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(100deg, rgba(7, 20, 29, 0.94) 0%, rgba(5, 42, 59, 0.82) 55%, rgba(31, 224, 192, 0.18) 100%);
}

.page-home .closing__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(60px, 9vw, 118px);
}

.page-home .closing .eyebrow {
  color: var(--aurora);
}

.page-home .closing__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 14px 0 0;
  max-width: 22ch;
  color: var(--mist);
}

.page-home .closing__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(243, 248, 247, 0.82);
}

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

.page-home .closing .btn--ghost {
  color: var(--mist);
  border-color: rgba(243, 248, 247, 0.5);
  box-shadow: 6px 6px 0 rgba(31, 224, 192, 0.3);
}

.page-home .closing__meta {
  margin: 26px 0 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(243, 248, 247, 0.6);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-home .coords__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .coords__grid > :nth-child(2) {
    margin-top: 34px;
  }

  .page-home .coords__grid > :nth-child(3) {
    margin-top: -14px;
  }

  .page-home .coords__grid > :nth-child(4) {
    margin-top: 20px;
  }

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

  .page-home .track__grid > :nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }

  .page-home .devs__grid {
    grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
    align-items: center;
  }

  .page-home .cases__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .case--lead {
    grid-column: 1 / span 7;
  }

  .page-home .cases__grid > .case:nth-child(2) {
    grid-column: 8 / span 5;
    margin-top: 26px;
  }

  .page-home .cases__grid > .case:nth-child(3) {
    grid-column: 3 / span 5;
    margin-top: 6px;
  }

  .page-home .track__grid {
    grid-template-columns: 1.15fr 1fr 1.05fr;
    align-items: start;
  }

  .page-home .track__grid > :nth-child(2) {
    margin-top: 28px;
  }

  .page-home .track__grid > :nth-child(3) {
    grid-column: auto;
    margin-top: 8px;
  }
}

@media (min-width: 1180px) {
  .page-home .hero__title {
    font-size: clamp(3.4rem, 5.6vw, 5rem);
  }

  .page-home .hero__lead {
    font-size: 17px;
  }
}
<<<END>>>