.page-home {
  --hp-rail-w: 320px;
  --hp-rail-gap: 40px;
  --hp-ring: 0 0 0 2px var(--c-orange);
  --hp-card-shadow: 6px 6px 0 var(--c-mint);
}

/* ---------- 首屏 ---------- */
.page-home .hero-home {
  padding-top: 36px;
  padding-bottom: 72px;
}

.page-home .hero-home__context {
  display: inline-block;
  margin: 0 0 28px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--c-green-mid);
  color: var(--c-green);
}

.page-home .hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-home .hero-rail,
.page-home .hero-board {
  min-width: 0;
}

.page-home .hero-home__title {
  margin: 0 0 18px;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--c-ink);
}

.page-home .hero-home__lead {
  margin: 0 0 28px;
  color: var(--c-ink-2);
}

/* 检索框 */
.page-home .svc-search {
  border: 2px solid var(--c-ink);
  background: var(--c-white);
  box-shadow: var(--hp-card-shadow);
  padding: 14px 16px 12px;
  margin-bottom: 18px;
}

.page-home .svc-search:focus-within {
  box-shadow: var(--hp-ring), var(--hp-card-shadow);
}

.page-home .svc-search__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-ink-2);
  margin-bottom: 8px;
}

.page-home .svc-search__field {
  display: block;
  width: 100%;
  border: 0;
  border-bottom: 2px solid var(--c-line);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.5;
  color: var(--c-ink);
  padding: 4px 0 8px;
  outline: none;
}

.page-home .svc-search__field::placeholder {
  color: var(--c-stone);
}

.page-home .svc-search__field:focus {
  border-bottom-color: var(--c-orange);
}

.page-home .svc-search__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-ink-2);
}

/* 设备切换 */
.page-home .device-switch {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.page-home .device-switch__btn {
  border: 2px solid var(--c-green);
  background: var(--c-white);
  color: var(--c-green);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  cursor: pointer;
}

.page-home .device-switch__btn[aria-pressed="true"] {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: var(--c-white);
}

.page-home .device-switch__btn:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

/* 快捷入口 */
.page-home .hero-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--c-ink);
}

.page-home .hero-quick__link {
  display: block;
  padding: 14px 4px 14px 0;
  border-bottom: 1px solid var(--c-line);
  text-decoration: none;
  color: var(--c-ink);
  transition: transform 0.18s ease, color 0.18s ease;
}

.page-home .hero-quick__link:hover,
.page-home .hero-quick__link:focus-visible {
  transform: translateX(4px);
  color: var(--c-orange-deep);
}

.page-home .hero-quick__label {
  display: block;
  font-size: 16px;
  font-weight: 700;
}

.page-home .hero-quick__meta {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  color: var(--c-ink-2);
}

/* 首屏右栏 */
.page-home .hero-board__figure {
  margin: 0 0 26px;
}

.page-home .svc-preview {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 340px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border-top: 2px solid var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
  scrollbar-width: thin;
  scrollbar-color: var(--c-green-mid) transparent;
}

.page-home .svc-row {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  gap: 10px 12px;
  align-items: baseline;
  padding: 13px 6px 13px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-home .svc-row:last-child {
  border-bottom: 0;
}

.page-home .svc-row__idx {
  font-size: 13px;
  color: var(--c-stone);
}

.page-home .svc-row__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.page-home .svc-row__name:hover,
.page-home .svc-row__name:focus-visible {
  color: var(--c-orange-deep);
  border-bottom-color: var(--c-orange);
}

.page-home .svc-row__items {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-ink-2);
}

.page-home .svc-row__count {
  font-size: 13px;
  color: var(--c-green);
  white-space: nowrap;
}

/* ---------- 编号章节 ---------- */
.page-home .chapter {
  position: relative;
  margin-bottom: 44px;
}

.page-home .chapter__num {
  display: block;
  font-size: 56px;
  line-height: 0.9;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 2px var(--c-orange);
  margin-bottom: 10px;
}

.page-home .chapter__title {
  margin: 0 0 14px;
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--c-ink);
}

.page-home .chapter__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-ink-2);
}

.page-home .section--deep .chapter__title {
  color: var(--c-white);
}

.page-home .section--deep .chapter__lead {
  color: var(--c-mint);
}

.page-home .section--deep .chapter__num {
  -webkit-text-stroke-color: var(--c-orange);
}

/* ---------- 设备路径 ---------- */
.page-home .device-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.page-home .device-panel {
  border: 2px solid var(--c-ink);
  background: var(--c-white);
  box-shadow: var(--hp-card-shadow);
  padding: 24px 22px 26px;
}

.page-home .device-panel__tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-home .device-panel__title {
  margin: 0 0 12px;
  font-size: 21px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--c-ink);
}

.page-home .device-panel__text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink-2);
}

.page-home .device-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .device-panel__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-home .device-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  background: var(--c-green-mid);
}

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

/* ---------- 分类索引 ---------- */
.page-home .cat-index {
  border-top: 2px solid var(--c-ink);
}

.page-home .cat-item {
  border-bottom: 1px solid var(--c-line);
  background: transparent;
}

.page-home .cat-item[open] {
  background: var(--c-mint);
}

.page-home .cat-item__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 8px 18px 0;
  cursor: pointer;
  list-style: none;
}

.page-home .cat-item__sum::-webkit-details-marker {
  display: none;
}

.page-home .cat-item__sum:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: -2px;
}

.page-home .cat-item__num {
  font-size: 13px;
  color: var(--c-stone);
  flex: 0 0 auto;
}

.page-home .cat-item__name {
  font-size: 19px;
  font-weight: 800;
  color: var(--c-ink);
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .cat-item__meta {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-green);
  white-space: nowrap;
}

.page-home .cat-item__sum::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 22px;
  line-height: 1;
  font-weight: 700;
  color: var(--c-orange);
  width: 24px;
  text-align: center;
}

.page-home .cat-item[open] .cat-item__sum::after {
  content: "−";
}

.page-home .cat-item__body {
  padding: 0 8px 22px 0;
}

.page-home .cat-item__body p {
  margin: 0 0 14px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-2);
}

.page-home .cat-item__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .cat-item__list li {
  border: 1px solid var(--c-green-mid);
  background: var(--c-white);
  padding: 6px 12px;
  font-size: 14px;
  color: var(--c-ink);
}

.page-home .cat-more {
  margin: 40px 0 0;
}

/* ---------- 售后与评价时间轴 ---------- */
.page-home .after-sales {
  overflow: hidden;
}

.page-home .flow {
  position: relative;
  margin-bottom: 56px;
}

.page-home .flow__track {
  position: absolute;
  left: 0;
  right: 0;
  top: 9px;
  height: 4px;
  background: var(--timeline);
  opacity: 0.9;
}

.page-home .flow__nodes {
  list-style: none;
  margin: 0;
  padding: 24px 0 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 1fr);
  gap: 20px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--c-orange) transparent;
}

.page-home .flow__node {
  position: relative;
  padding-top: 26px;
  min-width: 0;
}

.page-home .flow__dot {
  position: absolute;
  left: 0;
  top: -20px;
  width: 18px;
  height: 18px;
  border: 3px solid var(--c-green-mid);
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(22, 102, 90, 0.35);
}

.page-home .flow__node--active .flow__dot {
  background: var(--c-orange);
  border-color: var(--c-white);
}

.page-home .flow__node-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--c-white);
}

.page-home .flow__node-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mint);
}

.page-home .after-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  border-top: 2px solid var(--c-green-mid);
  padding-top: 28px;
}

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

.page-home .metric__value {
  display: block;
  font-size: clamp(26px, 6vw, 38px);
  font-weight: 900;
  color: var(--c-orange);
  line-height: 1.1;
}

.page-home .metric__label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-mint);
}

/* ---------- 城市条 ---------- */
.page-home .city-strip-wrap {
  max-width: var(--w-container);
}

.page-home .city-strip {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding-bottom: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--c-green-mid) transparent;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 28px, #000 calc(100% - 28px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 28px, #000 calc(100% - 28px), transparent 100%);
}

.page-home .city-strip:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 4px;
}

.page-home .city-strip__list {
  list-style: none;
  margin: 0;
  padding: 0 4px;
  display: flex;
  gap: 14px;
  width: max-content;
}

.page-home .city-card {
  flex: 0 0 auto;
  width: 168px;
  border: 2px solid var(--c-ink);
  background: var(--c-white);
  box-shadow: var(--hp-card-shadow);
  padding: 18px 16px 16px;
  display: flex;
  flex-direction: column;
}

.page-home .city-card__name {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-ink);
}

.page-home .city-card__num {
  margin-top: 12px;
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
  color: var(--c-orange);
}

.page-home .city-card__label {
  margin-top: 2px;
  font-size: 13px;
  color: var(--c-ink-2);
}

.page-home .city-card__eta {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-green);
}

.page-home .city-figure {
  margin: 32px 0 0;
}

.page-home .city-facts {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  border-top: 2px solid var(--c-ink);
  padding-top: 24px;
}

.page-home .city-facts__item {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-ink-2);
}

.page-home .city-facts__item .num {
  display: inline-block;
  font-size: 24px;
  font-weight: 900;
  color: var(--c-green);
  margin-right: 6px;
}

/* ---------- 变更记录 ---------- */
.page-home .change-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-home .change-grid__table,
.page-home .change-grid__figure {
  min-width: 0;
}

.page-home .change-caption {
  text-align: left;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-ink-2);
  padding-bottom: 10px;
}

.page-home .change-note {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-2);
}

.page-home .change-more {
  margin: 22px 0 0;
}

.page-home .change-grid__figure {
  margin: 0;
}

/* ---------- 收口入口 ---------- */
.page-home .entry-cards {
  list-style: none;
  margin: 0 0 44px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-home .entry-card {
  border: 2px solid var(--c-ink);
  background: var(--c-white);
  box-shadow: 8px 8px 0 var(--c-orange-soft);
  padding: 26px 22px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-home .entry-card__step {
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--c-green-mid);
}

.page-home .entry-card__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--c-ink);
}

.page-home .entry-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-2);
}

.page-home .entry-card .btn {
  margin-top: auto;
}

.page-home .start-tips {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  border-top: 2px solid var(--c-ink);
  padding-top: 28px;
}

.page-home .start-tip__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--c-green);
}

.page-home .start-tip p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-2);
}

.page-home .home-signoff {
  margin: 40px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--c-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-2);
}

.page-home .home-signoff a {
  color: var(--c-orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .after-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 960px) {
  .page-home .hero-home {
    padding-top: 48px;
    padding-bottom: 88px;
  }

  .page-home .hero-split {
    grid-template-columns: var(--hp-rail-w) minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }

  .page-home .hero-rail {
    padding-right: var(--hp-rail-gap);
    border-right: 2px solid var(--c-green);
    align-self: stretch;
  }

  .page-home .hero-rail__sticky {
    position: sticky;
    top: 104px;
  }

  .page-home .hero-board {
    padding-left: var(--hp-rail-gap);
  }

  .page-home .svc-preview {
    max-height: 430px;
  }

  .page-home .device-panels {
    grid-template-columns: 5fr 7fr;
    gap: 32px;
  }

  .page-home .chapter {
    padding-left: 132px;
    min-height: 104px;
  }

  .page-home .chapter__num {
    position: absolute;
    left: 0;
    top: -20px;
    font-size: 104px;
    margin-bottom: 0;
  }

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

  .page-home .start-tips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }

  .page-home .change-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-home .chapter {
    padding-left: 156px;
  }

  .page-home .chapter__num {
    font-size: 128px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-quick__link {
    transition: none;
  }

  .page-home .hero-quick__link:hover,
  .page-home .hero-quick__link:focus-visible {
    transform: none;
  }
}