/* ==========================================================
   首页 page-home
   ========================================================== */

.page-home {
  --home-pad: 20px;
  --home-radius: 14px;
  --home-panel: rgba(27, 58, 92, 0.55);
  --home-panel-soft: rgba(16, 35, 58, 0.55);
  display: block;
  background: var(--ink-navy-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home .home-block {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

.page-home .section {
  padding: 48px var(--home-pad);
}

.page-home .home-head {
  max-width: 720px;
  margin: 0 0 28px;
}

.page-home .home-head h2 {
  margin: 6px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .home-head__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 38em;
}

.page-home .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--celadon);
  border-bottom: 1px solid var(--haze-border);
  display: inline-block;
  padding-bottom: 5px;
}

/* ---------- 面包屑 ---------- */

.page-home .home-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 14px var(--home-pad) 0;
  max-width: 1180px;
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.page-home .home-crumb .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--haze-border);
}

.page-home .home-crumb .breadcrumbs__item:last-child {
  color: var(--amber);
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px var(--home-pad) 54px;
  background: linear-gradient(152deg, var(--ink-navy-900) 0%, var(--ink-navy-700) 56%, var(--ink-navy-500) 100%);
}

.page-home .home-hero__wedge {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .home-hero__wedge::before {
  content: "";
  position: absolute;
  top: -16%;
  right: -26%;
  width: 76%;
  height: 82%;
  background: linear-gradient(205deg, var(--amber) 0%, var(--amber-deep) 100%);
  clip-path: polygon(26% 0%, 100% 0%, 100% 100%, 0% 72%);
  opacity: 0.17;
}

.page-home .home-hero__wedge::after {
  content: "";
  position: absolute;
  bottom: -22%;
  left: -20%;
  width: 62%;
  height: 70%;
  background: linear-gradient(22deg, var(--celadon) 0%, var(--celadon-deep) 100%);
  clip-path: polygon(0 0, 100% 32%, 76% 100%, 0 100%);
  opacity: 0.14;
}

.page-home .home-hero__pulse {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 44px;
  z-index: 0;
  opacity: 0.6;
  pointer-events: none;
}

.page-home .home-hero__pulse polyline {
  fill: none;
  stroke: var(--celadon);
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: 30px;
}

.page-home .home-hero h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 30px;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .home-hero__lede {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.78;
  color: #c8d6e4;
}

.page-home .home-hero__readouts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
}

.page-home .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--haze-border);
  border-left: 3px solid var(--amber);
  border-radius: 10px;
  background: var(--home-panel-soft);
  backdrop-filter: blur(6px);
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}

.page-home .stat:hover {
  border-color: var(--amber);
  background: rgba(27, 58, 92, 0.85);
}

.page-home .stat__value {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-home .stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0;
  clip-path: polygon(0 7%, 100% 0, 100% 93%, 0 100%);
  background: var(--ink-navy-700);
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1200 / 760;
  object-fit: cover;
}

.page-home .home-hero__figure figcaption {
  padding: 12px 16px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  border-top: 1px solid var(--haze-border);
}

/* ---------- 三步 ---------- */

.page-home .home-steps {
  background: var(--ink-navy-900);
}

.page-home .home-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-home .home-steps__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 16px;
  border: 1px solid var(--haze-border);
  border-left-width: 3px;
  border-radius: 12px;
  background: linear-gradient(118deg, rgba(27, 58, 92, 0.78), rgba(16, 35, 58, 0.6));
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}

.page-home .home-steps__item:hover {
  border-color: var(--amber);
  background: linear-gradient(118deg, rgba(27, 58, 92, 0.95), rgba(16, 35, 58, 0.75));
}

.page-home .home-steps__idx {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
  padding-top: 3px;
}

.page-home .home-steps__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-home .home-steps__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-muted);
  max-width: 36em;
}

.page-home .home-steps__figure {
  margin: 16px 0 0;
  border: 1px solid var(--haze-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--ink-navy-900);
}

.page-home .home-steps__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 640;
  object-fit: cover;
}

.page-home .home-steps__figure figcaption {
  padding: 10px 14px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
  border-top: 1px solid var(--haze-border);
}

/* ---------- 双轨 ---------- */

.page-home .home-tracks {
  background: linear-gradient(180deg, var(--ink-navy-900), var(--ink-black));
}

.page-home .home-tracks__columns {
  display: grid;
  gap: 14px;
}

.page-home .track {
  padding: 20px 18px;
  border: 1px solid var(--haze-border);
  border-radius: 12px;
  background: var(--home-panel-soft);
  transition: opacity var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-home .track--amber {
  border-top: 3px solid var(--amber);
}

.page-home .track--celadon {
  border-top: 3px solid var(--celadon);
}

.page-home .home-tracks__columns:hover .track {
  opacity: 0.55;
}

.page-home .home-tracks__columns:hover .track:hover {
  opacity: 1;
  border-color: var(--amber);
}

.page-home .track h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--haze-border);
}

.page-home .track--amber h3 {
  color: var(--amber);
}

.page-home .track--celadon h3 {
  color: var(--celadon);
}

.page-home .track__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .track__list li {
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-home .tag {
  display: inline-block;
  width: fit-content;
  padding: 2px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-home .tag--amber {
  color: var(--amber);
  background: rgba(255, 162, 58, 0.1);
}

.page-home .tag--celadon {
  color: var(--celadon);
  background: rgba(47, 208, 175, 0.1);
}

.page-home .tag--violet {
  color: var(--violet);
  background: rgba(142, 123, 255, 0.12);
}

.page-home .home-tracks__figure {
  margin: 26px 0 0;
  border: 1px solid var(--haze-border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--ink-navy-900);
}

.page-home .home-tracks__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1100 / 680;
  object-fit: cover;
}

.page-home .home-tracks__figure figcaption {
  padding: 10px 14px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
  border-top: 1px solid var(--haze-border);
}

/* ---------- 栏目速览 ---------- */

.page-home .home-catalog {
  position: relative;
  overflow: hidden;
  background: var(--ink-navy-700);
}

.page-home .home-catalog__texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.12;
  pointer-events: none;
}

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

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

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

.page-home .home-catalog__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--haze-border);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-home .home-catalog__list li:hover {
  border-bottom-color: var(--amber);
  background: rgba(255, 162, 58, 0.05);
}

.page-home .home-catalog__no {
  font-size: 12px;
  color: var(--celadon);
  letter-spacing: 0.04em;
}

.page-home .home-catalog__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--paper);
  border-bottom: 1px solid var(--haze-border);
  padding-bottom: 2px;
  width: fit-content;
  min-width: 4em;
}

.page-home .home-catalog__desc {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-home .home-catalog__limit {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-muted);
  max-width: 40em;
}

.page-home .home-catalog__limit a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 1px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .home-catalog__limit a:hover {
  color: var(--amber-deep);
  border-color: var(--amber-deep);
}

/* ---------- 版本差异 ---------- */

.page-home .home-diff {
  background: var(--ink-navy-900);
}

.page-home .home-diff__grid {
  display: grid;
  gap: 26px;
}

.page-home .home-diff__text h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.2;
  color: var(--paper);
}

.page-home .home-diff__text p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-muted);
  max-width: 34em;
}

.page-home .home-diff__dims {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-diff__dims li {
  padding: 16px 16px 18px;
  border: 1px solid var(--haze-border);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(142, 123, 255, 0.1), rgba(16, 35, 58, 0.5));
  transition: border-color var(--t-mid) var(--ease);
}

.page-home .home-diff__dims li:hover {
  border-color: var(--violet);
}

.page-home .home-diff__dims p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

/* ---------- 内容规模 ---------- */

.page-home .home-scale {
  background: linear-gradient(180deg, var(--ink-navy-700), var(--ink-navy-900));
}

.page-home .home-scale__grid {
  display: grid;
  gap: 22px;
}

.page-home .home-scale__col {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .home-scale__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #c8d6e4;
  max-width: 36em;
}

.page-home .stat--wide {
  border-left-color: var(--celadon);
}

.page-home .stat--wide:hover {
  border-color: var(--celadon);
}

.page-home .stat--wide .stat__value {
  color: var(--celadon);
}

/* ---------- 咨询 ---------- */

.page-home .home-contact {
  background: var(--ink-black);
}

.page-home .home-contact__inner {
  display: grid;
  gap: 24px;
  padding: 4px 0 8px;
}

.page-home .home-contact__text h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 25px;
  line-height: 1.22;
  color: var(--paper);
}

.page-home .home-contact__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 38em;
}

.page-home .home-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ==========================================================
   响应式
   ========================================================== */

@media (min-width: 620px) {
  .page-home {
    --home-pad: 32px;
  }

  .page-home .home-hero {
    padding-top: 34px;
    padding-bottom: 66px;
  }

  .page-home .home-hero h1 {
    font-size: 36px;
  }

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

  .page-home .home-head h2,
  .page-home .home-diff__text h2 {
    font-size: 30px;
  }

  .page-home .home-steps__item {
    grid-template-columns: 52px minmax(0, 1fr);
    padding: 22px 22px;
  }

  .page-home .home-catalog__list li {
    grid-template-columns: 46px minmax(0, 1fr) minmax(0, 1.4fr);
    align-items: center;
  }

  .page-home .home-catalog__desc {
    grid-column: 3;
  }
}

@media (min-width: 900px) {
  .page-home {
    --home-pad: 48px;
  }

  .page-home .section {
    padding: 68px var(--home-pad);
  }

  .page-home .home-hero {
    padding-top: 44px;
    padding-bottom: 84px;
  }

  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: 44px;
  }

  .page-home .home-hero h1 {
    font-size: 44px;
    max-width: 15em;
  }

  .page-home .home-tracks__columns {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-home .home-tracks__figure {
    margin-top: 34px;
  }

  .page-home .home-catalog__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
    border-top: 0;
  }

  .page-home .home-catalog__list li {
    border-top: 1px solid var(--haze-border);
  }

  .page-home .home-diff__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 52px;
  }

  .page-home .home-scale__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 52px;
    align-items: start;
  }

  .page-home .home-contact__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
    gap: 44px;
  }

  .page-home .home-contact__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
  }

  .page-home .home-steps__list {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .stat,
  .page-home .home-steps__item,
  .page-home .track,
  .page-home .home-diff__dims li,
  .page-home .home-catalog__list li,
  .page-home .home-catalog__limit a {
    transition: none;
  }
}