.page-home {
  --home-gap: 18px;
  --home-block-pad: 22px;
  background-color: var(--ce-void);
  color: var(--ce-ink);
}

.page-home *,
.page-home *::before,
.page-home *::after {
  box-sizing: border-box;
}

/* ---------- 页面上下文条 ---------- */
.home-context {
  border-bottom: 1px solid var(--ce-line);
  background: var(--ce-deep);
}

.home-context__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.home-context__inner .ce-breadcrumb,
.home-context__inner .ce-note {
  margin: 0;
}

/* ---------- 首屏拼贴 ---------- */
.home-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 34px;
  background:
    radial-gradient(130% 105% at 88% -12%, rgba(18, 48, 79, 0.94) 0%, rgba(6, 20, 40, 0) 58%),
    var(--ce-void);
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(143, 183, 201, 0.55) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.07;
  pointer-events: none;
}

.home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

/* 左侧批次刻度 */
.home-rail {
  border-left: 1px solid var(--ce-line);
  padding-left: 14px;
}

.home-rail__title {
  margin: 0 0 10px;
}

.home-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.home-rail__item {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 9px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ce-anno);
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color var(--ce-dur) var(--ce-ease),
    border-color var(--ce-dur) var(--ce-ease),
    background-color var(--ce-dur) var(--ce-ease);
}

.home-rail__item .ce-mono {
  color: var(--ce-steel);
  font-size: 12px;
}

.home-rail__item[aria-current="true"] {
  color: var(--ce-ink);
  border-color: var(--ce-line);
  background: rgba(27, 66, 102, 0.34);
}

.home-rail__item[aria-current="true"] .ce-mono {
  color: var(--ce-cyan);
}

.home-rail__item:hover {
  color: var(--ce-ink);
  border-color: var(--ce-line);
}

.home-rail .ce-note {
  margin: 12px 0 0;
  line-height: 1.65;
}

/* 拼贴主体 */
.home-collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ce-line);
  border: 1px solid var(--ce-line);
  border-radius: 2px;
}

.home-collage__side {
  display: grid;
  gap: 1px;
  align-content: start;
  background: var(--ce-line);
}

.home-block {
  padding: var(--home-block-pad) 18px;
  background: var(--ce-deep);
}

.home-block--lead {
  background: linear-gradient(155deg, #14395C 0%, #0C2340 54%, #0A1D36 100%);
}

.home-block--change {
  background: var(--ce-deep-2);
}

.home-block--facts {
  background: var(--ce-deep);
}

.home-block__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 16px;
}

.home-title {
  margin: 0 0 12px;
  font-size: 26px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ce-ink);
}

.home-lede {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ce-anno);
}

.home-block__media {
  margin: 20px 0 0;
}

.home-block__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--ce-line);
  border-radius: 2px;
  background: var(--ce-deep-2);
}

.home-block__title {
  margin: 8px 0 14px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ce-ink);
}

.home-change__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.home-change__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ce-ink);
}

.home-change__panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--ce-line);
}

.home-change__panel p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ce-anno);
}

.home-change__panel p:last-child {
  margin-bottom: 0;
}

.home-facts {
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
}

.home-facts > div {
  padding-top: 10px;
  border-top: 1px solid var(--ce-line);
}

.home-facts dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ce-anno);
}

.home-facts dd {
  margin: 5px 0 0;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ce-cyan);
}

/* ---------- 区块标题 ---------- */
.home-head {
  max-width: 62ch;
  margin-bottom: 26px;
}

.home-head__title {
  margin: 8px 0 10px;
  font-size: 22px;
  line-height: 1.36;
  letter-spacing: -0.005em;
  color: var(--ce-ink);
}

.home-head__lede {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ce-anno);
}

/* ---------- 产品线速览 ---------- */
.home-series {
  padding-top: 44px;
  padding-bottom: 44px;
}

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

.home-series__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.home-series__row {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0 18px 16px;
  border-top: 1px solid var(--ce-line);
  transition: background-color var(--ce-dur) var(--ce-ease);
}

.home-series__row:last-child {
  border-bottom: 1px solid var(--ce-line);
}

.home-series__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--ce-steel);
}

.home-series__row--x::before {
  background: var(--ce-cyan);
}

.home-series__row--fold::before {
  background: var(--ce-terra);
}

.home-series__row:hover {
  background: rgba(27, 66, 102, 0.2);
}

.home-series__idx {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ce-steel);
}

.home-series__main h3 {
  margin: 0 0 5px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ce-ink);
}

p.home-series__meta {
  margin: 0 0 7px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ce-anno);
}

.home-series__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ce-anno);
}

.home-series__figure {
  margin: 0;
}

.home-series__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ce-line);
  border-radius: 2px;
  background: var(--ce-deep-2);
}

.home-series__more {
  margin: 24px 0 0;
}

/* ---------- 覆盖与保养 ---------- */
.home-coverage {
  padding-top: 44px;
  padding-bottom: 44px;
}

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

.home-coverage__figure {
  margin: 0;
}

.home-coverage__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ce-line);
  border-radius: 2px;
  background: var(--ce-deep-2);
}

.home-coverage__figure .ce-media__cap {
  display: block;
  margin-top: 10px;
}

.home-coverage__text {
  max-width: 64ch;
  margin-top: 28px;
}

.home-coverage__text p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ce-anno);
}

.home-coverage__text p:last-child {
  margin-bottom: 0;
}

/* ---------- 询价与对接 ---------- */
.home-inquiry {
  padding-top: 44px;
  padding-bottom: 44px;
}

.home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ce-line);
  border: 1px solid var(--ce-line);
  border-radius: 2px;
}

.home-steps__item {
  padding: 22px 18px;
  background: var(--ce-deep-2);
}

.home-steps__num {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ce-cyan);
}

.home-steps__item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ce-ink);
}

.home-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ce-anno);
}

.home-inquiry__act {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 24px;
}

.home-inquiry__act .ce-note {
  margin: 0;
}

/* ---------- 沿革一览 ---------- */
.home-history {
  padding-top: 44px;
  padding-bottom: 48px;
  background:
    radial-gradient(90% 80% at 6% 0%, rgba(27, 66, 102, 0.42) 0%, rgba(6, 20, 40, 0) 60%),
    var(--ce-void);
}

.home-history__list {
  list-style: none;
  margin: 0 0 0 5px;
  padding: 0;
  border-left: 1px solid var(--ce-line);
}

.home-history__list li {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 0 0 26px 20px;
}

.home-history__list li:last-child {
  padding-bottom: 0;
}

.home-history__list li::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 6px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ce-cyan);
}

.home-history__mark {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ce-cyan);
}

.home-history__list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ce-ink);
}

.home-history__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ce-anno);
}

.home-history__more {
  margin: 26px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .home-block {
    padding: 24px 22px;
  }

  .home-title {
    font-size: 32px;
  }

  .home-head__title {
    font-size: 26px;
  }

  .home-member,
  .home-history__list li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .home-history__mark {
    padding-top: 3px;
  }
}

@media (min-width: 900px) {
  .home-hero {
    padding: 44px 0 54px;
  }

  .home-hero__inner {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .home-rail {
    position: sticky;
    top: 88px;
  }

  .home-collage {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
  }

  .home-block--lead {
    padding: 32px 28px;
  }

  .home-title {
    font-size: 40px;
  }

  .home-lede {
    font-size: 17px;
  }

  .home-series__layout {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .home-coverage__grid {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .home-steps__item {
    padding: 26px 22px;
  }
}

@media (min-width: 1080px) {
  .home-title {
    font-size: 44px;
  }

  .home-head__title {
    font-size: 32px;
  }

  .home-block--lead {
    padding: 36px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition: none !important;
    animation: none !important;
  }
}