.page-home {
  --ph-pad: clamp(18px, 3vw, 40px);
  --ph-board-bg: linear-gradient(152deg, rgba(18, 60, 70, 0.62), rgba(10, 42, 48, 0.28));
  position: relative;
  overflow-x: hidden;
  background: var(--by-deep);
  color: var(--by-paper);
}

/* ---------- 侧边索引轨道 ---------- */
.page-home .by-rail--home {
  display: none;
}

@media (min-width: 1400px) {
  .page-home .by-rail--home {
    display: grid;
    gap: 2px;
    position: fixed;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 30;
    padding: 10px 8px;
    border: 1px solid var(--by-line);
    background: rgba(10, 42, 48, 0.86);
  }
}

.page-home .by-rail--home .by-rail__link {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 5px 8px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--by-mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--by-t) var(--by-ease), background-color var(--by-t) var(--by-ease);
}

.page-home .by-rail--home .by-rail__link:hover,
.page-home .by-rail--home .by-rail__link:focus-visible,
.page-home .by-rail--home .by-rail__link[aria-current="true"],
.page-home .by-rail--home .by-rail__link.is-active {
  color: var(--by-cyan);
  background: rgba(31, 111, 120, 0.22);
}

.page-home .by-rail--home .by-rail__num {
  font-size: 10.5px;
  color: var(--by-wire-lite);
}

/* ---------- 首屏框景 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(24px, 4.5vw, 56px) 0 clamp(32px, 5vw, 64px);
}

.page-home .home-hero__glyph {
  position: absolute;
  top: clamp(4px, 1.6vw, 18px);
  right: clamp(10px, 3vw, 40px);
  font-size: clamp(74px, 15vw, 190px);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--by-wire);
  opacity: 0.45;
  pointer-events: none;
  user-select: none;
}

.page-home .home-hero .by-crumbs {
  position: relative;
  z-index: 1;
}

.page-home .home-hero__frame {
  position: relative;
  margin-top: 14px;
  padding: var(--ph-pad);
  padding-bottom: calc(var(--ph-pad) + 14px);
  border: 1px solid var(--by-line);
  background: var(--ph-board-bg);
}

.page-home .home-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--by-wire) 0 1px, transparent 1px 26px);
  opacity: 0.85;
  pointer-events: none;
}

.page-home .home-hero__frame::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 46px;
  height: 46px;
  border-top: 2px solid var(--by-orange);
  border-right: 2px solid var(--by-orange);
  pointer-events: none;
}

.page-home .home-hero__scale {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 18px;
  color: var(--by-wire);
  opacity: 0.7;
  pointer-events: none;
}

.page-home .home-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 44px);
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: stretch;
    gap: clamp(28px, 3.5vw, 52px);
  }
}

.page-home .home-hero__copy {
  min-width: 0;
}

.page-home .home-hero__shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--by-line);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--by-deep-2);
}

@media (min-width: 900px) {
  .page-home .home-hero__shot {
    aspect-ratio: 4 / 5;
  }
}

.page-home .home-hero__shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
}

.page-home .home-hero__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 14px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--by-mist);
  background: linear-gradient(transparent, rgba(10, 42, 48, 0.94));
}

/* ---------- 双入口路线卡片 ---------- */
.page-home .home-doors {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

@media (min-width: 640px) {
  .page-home .home-doors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-home .home-door {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 22px 18px 18px;
  border: 1px solid var(--by-line);
  background: rgba(10, 42, 48, 0.76);
  color: inherit;
  text-decoration: none;
  transition: transform var(--by-t) var(--by-ease),
    border-color var(--by-t) var(--by-ease),
    background-color var(--by-t) var(--by-ease),
    box-shadow var(--by-t) var(--by-ease);
}

.page-home .home-door::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 58px;
  height: 3px;
  background: var(--by-cyan);
}

.page-home .home-door--price::before {
  background: var(--by-orange);
}

.page-home .home-door:hover,
.page-home .home-door:focus-visible {
  transform: translateY(-4px);
  border-color: var(--by-cyan);
  background: rgba(18, 60, 70, 0.92);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.42);
}

.page-home .home-door__no {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--by-wire-lite);
}

.page-home .home-door__title {
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--by-paper);
}

.page-home .home-door__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--by-mist);
}

.page-home .home-door__go {
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--by-cyan);
}

.page-home .home-door--price .home-door__go {
  color: var(--by-orange);
}

/* ---------- 首屏数据条 ---------- */
.page-home .home-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px 20px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--by-line);
}

.page-home .home-metrics li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 14px;
  border-left: 2px solid var(--by-orange);
}

.page-home .home-metrics__num {
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--by-cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .home-metrics__lab {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--by-mist);
}

/* ---------- 堆叠画板 ---------- */
.page-home .home-board {
  position: relative;
  margin: 0 0 clamp(36px, 5vw, 56px);
  padding: clamp(24px, 3.2vw, 44px) var(--ph-pad);
  border: 1px solid var(--by-line);
  background: var(--ph-board-bg);
}

@media (min-width: 900px) {
  .page-home .home-board--shift {
    margin-left: clamp(0px, 3vw, 40px);
  }

  .page-home .home-board:not(.home-board--shift) {
    margin-right: clamp(0px, 3vw, 40px);
  }
}

.page-home .home-board__no {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--by-wire-lite);
}

.page-home .home-board__head {
  padding-bottom: 20px;
  margin-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--by-line);
}

@media (min-width: 900px) {
  .page-home .home-board__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 56px);
    align-items: end;
  }

  .page-home .home-board__head .by-kicker {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .home-board__head .by-h2 {
    grid-column: 1;
    grid-row: 2;
  }

  .page-home .home-board__head .home-board__lead {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: end;
    margin-bottom: 2px;
  }
}

.page-home .home-board__lead {
  max-width: 48ch;
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--by-mist);
}

/* ---------- 价格表速览 ---------- */
.page-home .home-board__banner {
  position: relative;
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--by-line);
  overflow: hidden;
}

.page-home .home-board__banner img {
  display: block;
  width: 100%;
  height: clamp(150px, 18vw, 220px);
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-home .home-rates {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--by-line);
  border: 1px solid var(--by-line);
}

.page-home .home-rate {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 16px 18px;
  background: rgba(10, 42, 48, 0.86);
  transition: background-color var(--by-t) var(--by-ease);
}

.page-home .home-rate:hover {
  background: rgba(18, 60, 70, 0.96);
}

.page-home .home-rate__no {
  padding-top: 3px;
  font-size: 12px;
  color: var(--by-wire-lite);
}

.page-home .home-rate__body {
  min-width: 0;
}

.page-home .home-rate__name {
  margin: 0 0 4px;
  font-size: 16px;
}

.page-home .home-rate__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--by-mist);
}

.page-home .home-rate__meter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.page-home .home-rate__bar {
  display: block;
  height: 8px;
  border: 1px solid var(--by-line);
  background: rgba(31, 111, 120, 0.2);
  overflow: hidden;
}

.page-home .home-rate__bar .by-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--by-cyan), var(--by-lime));
  transition: width 320ms var(--by-ease);
}

.page-home .home-rate__val {
  font-size: 12.5px;
  color: var(--by-lime);
  font-variant-numeric: tabular-nums;
}

/* ---------- 服务范围索引 ---------- */
.page-home .home-index {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--by-line);
}

.page-home .home-index__row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 14px;
  padding: 18px 12px;
  border-bottom: 1px solid var(--by-line);
  color: inherit;
  text-decoration: none;
  transition: background-color var(--by-t) var(--by-ease);
}

.page-home .home-index__row:hover,
.page-home .home-index__row:focus-visible {
  background: rgba(31, 111, 120, 0.18);
}

.page-home .home-index__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--by-wire-lite);
}

.page-home .home-index__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-home .home-index__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--by-paper);
}

.page-home .home-index__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--by-mist);
}

.page-home .home-index__go {
  font-size: 18px;
  line-height: 1;
  color: var(--by-cyan);
  transition: transform var(--by-t) var(--by-ease);
}

.page-home .home-index__row:hover .home-index__go,
.page-home .home-index__row:focus-visible .home-index__go {
  transform: translateX(5px);
}

/* ---------- 轮次归档轨道 ---------- */
.page-home .home-rounds__art {
  max-width: 380px;
  margin: 0 0 18px;
  border: 1px solid var(--by-line);
  overflow: hidden;
}

.page-home .home-rounds__art img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .home-track-wrap {
  position: relative;
  padding: 0 14px;
}

.page-home .home-rounds {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 4px 4px 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--by-wire) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-round {
  flex: 0 0 clamp(238px, 72vw, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 16px;
  border: 1px solid var(--by-line);
  background: rgba(10, 42, 48, 0.86);
  transition: transform var(--by-t) var(--by-ease), border-color var(--by-t) var(--by-ease);
}

.page-home .home-round:hover,
.page-home .home-round:focus-within {
  transform: translateY(-4px);
  border-color: var(--by-cyan);
}

.page-home .home-round__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home .home-round__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-home .home-round__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--by-mist);
}

.page-home .home-round__foot {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--by-line);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--by-wire-lite);
}

.page-home .home-fav {
  flex: 0 0 auto;
}

.page-home .home-track-wrap__edge {
  display: none;
  position: absolute;
  top: 0;
  bottom: 18px;
  width: 18px;
  pointer-events: none;
  background-image: repeating-linear-gradient(180deg, var(--by-wire) 0 1px, transparent 1px 8px);
  opacity: 0.6;
}

@media (min-width: 760px) {
  .page-home .home-track-wrap__edge {
    display: block;
  }
}

.page-home .home-track-wrap__edge--l {
  left: 0;
}

.page-home .home-track-wrap__edge--r {
  right: 0;
}

/* ---------- 更新节奏 ---------- */
.page-home .home-cycle {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--by-line);
  border: 1px solid var(--by-line);
}

@media (min-width: 760px) {
  .page-home .home-cycle {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-home .home-cycle {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .home-cycle li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background: rgba(10, 42, 48, 0.86);
  transition: background-color var(--by-t) var(--by-ease);
}

.page-home .home-cycle li:hover {
  background: rgba(18, 60, 70, 0.96);
}

.page-home .home-cycle__when {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--by-lime);
}

.page-home .home-cycle .by-h3 {
  margin: 0;
  font-size: 16px;
}

.page-home .home-cycle p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--by-mist);
}

/* ---------- 交付能力 ---------- */
.page-home .home-why {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

@media (min-width: 900px) {
  .page-home .home-why {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(28px, 4vw, 56px);
  }
}

.page-home .home-why__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--by-line);
  border: 1px solid var(--by-line);
  align-self: start;
}

.page-home .home-why__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px;
  background: rgba(18, 60, 70, 0.62);
}

.page-home .home-why__num {
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--by-cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .home-why__lab {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--by-mist);
}

.page-home .home-flow {
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 1px solid var(--by-line);
}

.page-home .home-flow li {
  position: relative;
  padding-bottom: 22px;
}

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

.page-home .home-flow li::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--by-deep-2);
  border: 1px solid var(--by-cyan);
}

.page-home .home-flow .by-h3 {
  margin: 0 0 3px;
  font-size: 16px;
}

.page-home .home-flow__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--by-mist);
}

/* ---------- 咨询条 ---------- */
.page-home .home-board--consult {
  overflow: hidden;
}

.page-home .home-consult__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(0.6) brightness(0.7);
  pointer-events: none;
}

.page-home .home-consult__body {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.page-home .home-consult__ways {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(18px, 2.6vw, 26px) 0 clamp(22px, 3vw, 30px);
}

.page-home .home-consult__dl {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--by-line);
  border: 1px solid var(--by-line);
}

@media (min-width: 640px) {
  .page-home .home-consult__dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-home .home-consult__dl > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 16px;
  background: rgba(10, 42, 48, 0.9);
}

.page-home .home-consult__dl dt {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--by-wire-lite);
}

.page-home .home-consult__dl dd {
  margin: 0;
  font-family: var(--by-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--by-paper);
  word-break: break-word;
}

.page-home .home-consult__dl a {
  color: var(--by-cyan);
  text-decoration: none;
}

.page-home .home-consult__dl a:hover,
.page-home .home-consult__dl a:focus-visible {
  text-decoration: underline;
}

/* ---------- 脚注句 ---------- */
.page-home .home-note {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--by-mist);
}

.page-home .home-note a {
  color: var(--by-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 214, 0.4);
}

.page-home .home-note a:hover,
.page-home .home-note a:focus-visible {
  border-bottom-color: var(--by-cyan);
}
<<<END>>>