.page-home {
  --band-rail: 2.4rem;
  --card-line: 1px solid rgba(30, 92, 122, .8);
  display: block;
  background: var(--deep-sea);
  color: var(--text);
  overflow-x: hidden;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

.page-home .band {
  max-width: var(--width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-s);
}

.page-home .band-rail {
  display: none;
}

.page-home .band-body {
  min-width: 0;
}

.page-home .band-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.4vw, 2.5rem);
  line-height: 1.24;
  letter-spacing: .03em;
  margin: 0 0 14px;
  color: #F4FBFD;
  word-break: break-word;
}

.page-home .band-lede {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .eyebrow {
  margin: 0 0 12px;
}

.page-home .link-more {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 224, 208, .55);
  padding-bottom: 3px;
}

.page-home .link-more:hover,
.page-home .link-more:focus-visible {
  color: var(--lemon);
  border-bottom-color: rgba(255, 209, 102, .7);
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) var(--gutter) var(--space-s);
  background:
    radial-gradient(90% 70% at 90% 4%, rgba(53, 224, 208, .16), transparent 62%),
    radial-gradient(70% 60% at 4% 96%, rgba(255, 107, 74, .10), transparent 62%),
    var(--deep-sea);
  overflow: hidden;
}

.page-home .hero-inner {
  max-width: var(--width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-s);
  align-items: end;
}

.page-home .hero-rail {
  display: none;
}

.page-home .hero-copy {
  min-width: 0;
}

.page-home .hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--cyan);
}

.page-home .hero-kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--coral);
  flex: none;
}

.page-home .hero-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 8.5vw, 5.6rem);
  line-height: .98;
  letter-spacing: .04em;
  color: #F6FCFE;
  word-break: break-word;
}

.page-home .hero-lede {
  margin: 0 0 26px;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--mist);
}

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

.page-home .hero-figure {
  margin: 0;
}

.page-home .hero-figure .figure-frame {
  aspect-ratio: 16 / 9;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-home .hero-plate {
  max-width: var(--width);
  margin: var(--space-s) auto 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 24px;
  padding-top: 14px;
  border-top: 1px dashed rgba(30, 92, 122, .95);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--fog);
}

.page-home .hero-plate b {
  font-weight: 500;
  font-size: 14px;
  color: var(--cyan);
  margin: 0 3px;
}

.page-home .hero-plate .plate-version {
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--lemon);
}

/* ---------- 公告栏 ---------- */

.page-home .bulletin {
  padding: var(--space-l) var(--gutter);
  background: linear-gradient(180deg, rgba(6, 24, 42, .0), rgba(6, 24, 42, .55));
}

.page-home .bulletin-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-s);
  align-items: start;
}

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

.page-home .notice {
  position: relative;
  background: var(--paper);
  color: var(--brown);
  padding: 18px 20px 16px;
  border-left: 3px solid var(--tide);
  box-shadow: 7px 7px 0 rgba(6, 24, 42, .5);
}

.page-home .notice--pin {
  border-left-color: var(--coral);
}

.page-home .notice .tag {
  margin-bottom: 10px;
  display: inline-block;
}

.page-home .notice-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--brown);
}

.page-home .notice-desc {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.75;
  color: #4A4038;
}

.page-home .notice-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: #7A7068;
}

.page-home .bulletin-figure {
  margin: 0;
}

.page-home .bulletin-figure .figure-frame {
  aspect-ratio: 4 / 3;
}

.page-home .bulletin-figure figcaption,
.page-home .compare-figure figcaption,
.page-home .ladder-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--fog);
}

/* ---------- 操作路径 ---------- */

.page-home .routes {
  padding: var(--space-l) var(--gutter);
  background: var(--deep-sea);
}

.page-home .route-trace {
  display: none;
}

.page-home .route-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .route-step {
  position: relative;
}

.page-home .route-step a {
  display: grid;
  gap: 5px;
  padding: 18px 16px;
  background: var(--chart);
  border: 1px solid var(--tide);
  color: var(--text);
  text-decoration: none;
  transition: border-color .18s ease, transform .18s var(--ease), background-color .18s ease;
}

.page-home .route-step a:hover,
.page-home .route-step a:focus-visible {
  border-color: var(--cyan);
  background: #16465F;
  transform: translateY(-3px);
}

.page-home .route-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-home .route-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .03em;
}

.page-home .route-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

.page-home .route-time {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--lemon);
}

/* ---------- 版本对照 ---------- */

.page-home .compare {
  padding: var(--space-l) var(--gutter);
  background: var(--abyss);
}

.page-home .compare-figure {
  margin: 26px 0 0;
}

.page-home .compare-figure .figure-frame {
  aspect-ratio: 3 / 2;
}

.page-home .compare-table {
  margin-top: var(--space-s);
  border: 1px solid var(--tide);
  background: var(--tide);
  display: grid;
  gap: 1px;
}

.page-home .compare-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--tide);
}

.page-home .compare-cell {
  background: var(--chart);
  padding: 13px 15px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-home .compare-cell--key {
  background: #0E3552;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-home .compare-cell--head {
  background: #08243A;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-home .compare-cell--site {
  box-shadow: inset 3px 0 0 rgba(53, 224, 208, .45);
  transition: box-shadow .16s ease;
}

.page-home .compare-row:not(.compare-row--head):hover .compare-cell--site {
  box-shadow: inset 3px 0 0 var(--cyan);
}

/* ---------- 礼包阶梯 ---------- */

.page-home .ladder {
  padding: var(--space-l) var(--gutter);
  background: linear-gradient(180deg, var(--deep-sea), #08243A);
}

.page-home .ladder-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  align-items: end;
}

.page-home .ladder-step details {
  background: var(--chart);
  border: 1px solid var(--tide);
  border-top: 3px solid var(--cyan);
}

.page-home .ladder-step--now details {
  border-color: var(--lemon);
  border-top-color: var(--lemon);
  background: #17475F;
}

.page-home .ladder-step summary {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--text);
}

.page-home .ladder-step summary::-webkit-details-marker {
  display: none;
}

.page-home .ladder-step summary::after {
  content: "+ 展开";
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--fog);
  font-weight: 400;
}

.page-home .ladder-step details[open] summary::after {
  content: "− 收起";
  color: var(--cyan);
}

.page-home .ladder-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
  font-weight: 500;
}

.page-home .ladder-step--now .ladder-num {
  color: var(--lemon);
}

.page-home .ladder-step details p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 13px;
  line-height: 1.78;
  color: var(--fog);
}

.page-home .ladder-figure {
  margin: var(--space-s) 0 0 auto;
  max-width: 340px;
}

.page-home .ladder-figure .figure-frame {
  aspect-ratio: 4 / 3;
}

/* ---------- 服务与配置 ---------- */

.page-home .services {
  padding: var(--space-l) var(--gutter);
  background: var(--paper);
  color: var(--brown);
}

.page-home .services .eyebrow--on-paper {
  color: #9A5638;
}

.page-home .services .band-title {
  color: var(--brown);
}

.page-home .services .band-lede {
  color: #4A4038;
}

.page-home .service-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .service-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 18px;
  background: #FBF7F0;
  border: 1px solid rgba(23, 19, 16, .16);
  border-top: 3px solid var(--tide);
}

.page-home .service-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: #7C6F62;
}

.page-home .service-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .03em;
  color: var(--brown);
}

.page-home .service-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: #4A4038;
}

.page-home .config-note {
  margin-top: var(--space-s);
  padding: 24px 22px;
  display: grid;
  gap: 12px;
  justify-items: start;
  background: rgba(255, 255, 255, .6);
  border: 1px solid rgba(23, 19, 16, .18);
  border-left: 4px solid var(--coral);
}

.page-home .config-note h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  letter-spacing: .03em;
  color: var(--brown);
}

.page-home .config-note p {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.85;
  color: #4A4038;
}

.page-home .services .btn-ghost {
  color: var(--brown);
  border-color: rgba(23, 19, 16, .35);
}

.page-home .services .btn-ghost:hover,
.page-home .services .btn-ghost:focus-visible {
  border-color: var(--coral);
  color: #8A3A22;
}

/* ---------- 最新动态 ---------- */

.page-home .news {
  padding: var(--space-l) var(--gutter) calc(var(--space-l) + 20px);
  background: var(--abyss);
}

.page-home .news-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
}

.page-home .news-list li + li {
  border-top: 1px dashed rgba(30, 92, 122, .9);
}

.page-home .news-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px 12px;
  align-items: center;
  padding: 15px 4px;
  text-decoration: none;
  color: var(--text);
  transition: color .16s ease, transform .16s var(--ease);
}

.page-home .news-list a:hover,
.page-home .news-list a:focus-visible {
  color: var(--cyan);
  transform: translateX(4px);
}

.page-home .news-tag {
  font-size: 11px;
}

.page-home .news-title {
  font-size: 14px;
  line-height: 1.6;
  min-width: 0;
}

.page-home .news-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--fog);
  white-space: nowrap;
}

.page-home .news-more {
  margin-top: 26px;
}

/* ---------- 回到顶部 ---------- */

.page-home .back-top {
  display: none;
  position: fixed;
  right: 16px;
  bottom: 26px;
  z-index: 30;
  writing-mode: vertical-rl;
  padding: 12px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-decoration: none;
  color: var(--cyan);
  background: rgba(6, 24, 42, .88);
  border: 1px solid var(--tide);
}

.page-home .back-top:hover,
.page-home .back-top:focus-visible {
  color: var(--lemon);
  border-color: var(--cyan);
}

/* ---------- 桌面布局 ---------- */

@media (min-width: 760px) {
  .page-home .route-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-home .route-step:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -16px;
    top: 50%;
    width: 16px;
    height: 1px;
    background: repeating-linear-gradient(to right, var(--cyan) 0 4px, transparent 4px 8px);
    opacity: .8;
  }

  .page-home .compare-row {
    grid-template-columns: minmax(0, .75fr) minmax(0, 1fr) minmax(0, 1fr);
  }

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

  .page-home .back-top {
    display: block;
  }
}

@media (min-width: 900px) {
  .page-home .bulletin-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, .52fr);
    gap: clamp(24px, 3vw, 44px);
  }

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

  .page-home .ladder-step:nth-child(1) {
    margin-bottom: 0;
  }

  .page-home .ladder-step:nth-child(2) {
    margin-bottom: 26px;
  }

  .page-home .ladder-step:nth-child(3) {
    margin-bottom: 52px;
  }

  .page-home .ladder-step:nth-child(4) {
    margin-bottom: 78px;
  }

  .page-home .ladder-figure {
    max-width: 380px;
  }
}

@media (min-width: 960px) {
  .page-home .band {
    grid-template-columns: var(--band-rail) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 52px);
  }

  .page-home .band-rail {
    display: block;
    min-width: 0;
  }

  .page-home .band-rail span {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 42px);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 10px 0 0 9px;
    border-left: 1px dashed rgba(30, 92, 122, .95);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .24em;
    color: var(--fog);
  }

  .page-home .hero-inner {
    grid-template-columns: var(--band-rail) minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(24px, 3vw, 52px);
  }

  .page-home .hero-rail {
    display: block;
    align-self: stretch;
  }

  .page-home .hero-rail span {
    display: block;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 14px 0 0 9px;
    border-left: 1px dashed rgba(30, 92, 122, .95);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .24em;
    color: var(--fog);
    height: 100%;
  }

  .page-home .hero-figure .figure-frame {
    aspect-ratio: 3 / 2;
  }

  .page-home .route-trace {
    display: block;
    width: 100%;
    height: 40px;
    margin-top: 26px;
    opacity: .55;
  }

  .page-home .route-trace polyline {
    fill: none;
    stroke: var(--cyan);
    stroke-width: 1.5;
    stroke-dasharray: 6 9;
    vector-effect: non-scaling-stroke;
  }

  .page-home .service-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-home .services {
    padding-left: calc(var(--gutter) * 1.15);
    padding-right: calc(var(--gutter) * 1.15);
  }
}

@media (min-width: 1240px) {
  .page-home .hero-plate {
    gap: 8px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .route-step a,
  .page-home .news-list a,
  .page-home .compare-cell--site {
    transition: none;
  }

  .page-home .route-step a:hover,
  .page-home .route-step a:focus-visible,
  .page-home .news-list a:hover,
  .page-home .news-list a:focus-visible {
    transform: none;
  }
}
<<<END>>>