.page-home {
  --home-gap: 20px;
}

.page-home .home-hero {
  position: relative;
  padding: calc(var(--header-h-sm) + var(--sp-5)) 0 var(--sp-6);
  background:
    radial-gradient(90% 62% at 6% 0%, rgba(31, 78, 140, 0.34), transparent 62%),
    radial-gradient(66% 46% at 100% 4%, rgba(56, 224, 176, 0.09), transparent 58%);
  overflow: hidden;
}

.page-home .home-hero-head {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.page-home .home-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-cream);
  text-wrap: balance;
}

.page-home .home-hero-side .lead {
  margin: 0;
  color: var(--c-cream-dim);
}

.page-home .home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 分屏 ---------- */
.page-home .home-split {
  display: grid;
  gap: var(--sp-3);
}

.page-home .home-splitter {
  display: none;
}

.page-home .home-pane {
  position: relative;
  padding: var(--sp-3);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-home .home-pane--left {
  border-top: 2px solid var(--c-orange);
}

.page-home .home-pane--right {
  border-top: 2px solid var(--c-blue);
}

.page-home .home-pane-tag {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--c-blue-soft);
}

.page-home .home-pane-title {
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-md);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-cream);
}

.page-home .home-pane-text {
  margin: 0 0 var(--sp-3);
  color: var(--c-cream-dim);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

/* ---------- 图片 ---------- */
.page-home .media {
  display: block;
  position: relative;
  overflow: hidden;
  margin: 0;
  background: var(--c-slate);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.page-home .home-pane--left .media {
  aspect-ratio: 4 / 3;
}

.page-home .home-pane--right .media {
  aspect-ratio: 4 / 5;
}

.page-home .home-compare-figure {
  aspect-ratio: 14 / 9;
}

.page-home .home-before-figure {
  aspect-ratio: 16 / 10;
}

.page-home .media-caption {
  margin-top: var(--sp-2);
  font-size: var(--fs-xs);
  color: var(--c-cream-faint);
  line-height: 1.6;
}

/* ---------- 通用区块头 ---------- */
.page-home .home-section-head {
  margin-bottom: var(--sp-4);
}

.page-home .home-section-head .section-title {
  margin: 0;
}

.page-home .home-section-head .eyebrow {
  margin: 0 0 var(--sp-2);
}

.page-home .home-section-head--split .side-note {
  margin: var(--sp-2) 0 0;
}

/* ---------- 三步上手 ---------- */
.page-home .home-flow {
  border-top: 1px solid var(--line);
}

.page-home .home-steps {
  display: grid;
  gap: var(--sp-4);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: home-step;
}

.page-home .home-step {
  position: relative;
  padding-top: var(--sp-3);
  border-top: 2px solid var(--c-blue);
}

.page-home .home-step:nth-child(1) {
  border-top-color: var(--c-orange);
}

.page-home .home-step:nth-child(3) {
  border-top-color: var(--c-neon);
}

.page-home .home-step-num {
  display: block;
  font-size: var(--fs-lg);
  color: var(--c-blue-soft);
  line-height: 1;
}

.page-home .home-step-title {
  margin: var(--sp-2) 0 var(--sp-1);
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--c-cream);
  line-height: 1.4;
}

.page-home .home-step p {
  margin: 0 0 var(--sp-2);
  color: var(--c-cream-dim);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

.page-home .home-step-time {
  display: inline-block;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--c-moss);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

/* ---------- 换设备 ---------- */
.page-home .home-two-col {
  display: grid;
  gap: var(--sp-5);
}

.page-home .home-restore-copy p {
  margin: 0 0 var(--sp-3);
  color: var(--c-cream-dim);
}

.page-home .home-restore-copy .section-title {
  margin: 0 0 var(--sp-3);
}

.page-home .home-restore-copy .btn {
  margin-top: var(--sp-1);
}

.page-home .home-restore-steps {
  display: grid;
  gap: var(--sp-3);
  margin: 0;
  padding: 0;
  list-style: none;
  position: relative;
}

.page-home .home-restore-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: var(--sp-2);
  padding: var(--sp-3) 0;
  border-top: 1px solid var(--line);
}

.page-home .home-restore-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .home-restore-num {
  font-size: var(--fs-md);
  color: var(--c-neon);
  line-height: 1.2;
}

.page-home .home-restore-step h3 {
  margin: 0 0 var(--sp-1);
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--c-cream);
  line-height: 1.4;
}

.page-home .home-restore-step p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--c-cream-dim);
  line-height: 1.7;
}

/* ---------- 数据带 ---------- */
.page-home .home-data {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .home-data-grid {
  display: grid;
  gap: var(--sp-4);
}

.page-home .home-data-item {
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line-strong);
}

.page-home .home-data-num {
  display: block;
  font-size: var(--fs-xl);
  line-height: 1;
  color: var(--c-lemon);
  letter-spacing: 0.02em;
}

.page-home .home-data-unit {
  margin-left: 4px;
  font-size: 0.36em;
  letter-spacing: 0.04em;
  color: var(--c-cream-dim);
}

.page-home .home-data-label {
  display: block;
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-cream);
}

.page-home .home-data-note {
  margin: var(--sp-1) 0 0;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--c-cream-faint);
}

/* ---------- 档案对照 ---------- */
.page-home .home-compare .section-title {
  margin: 0 0 var(--sp-3);
}

.page-home .home-compare-copy p {
  margin: 0 0 var(--sp-3);
  color: var(--c-cream-dim);
}

.page-home .home-pair-list {
  margin: 0 0 var(--sp-4);
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-2);
}

.page-home .home-pair-list li {
  position: relative;
  padding-left: var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--c-cream-dim);
  line-height: 1.7;
}

.page-home .home-pair-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 14px;
  height: 1px;
  background: var(--c-neon);
}

/* ---------- 栏目索引 ---------- */
.page-home .home-index {
  background:
    linear-gradient(180deg, rgba(31, 78, 140, 0.14), transparent 46%);
}

.page-home .home-index-list {
  border-top: 1px solid var(--line-strong);
}

.page-home .home-index-row {
  border-bottom: 1px solid var(--line);
}

.page-home .home-index-row summary {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 20px;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) 0;
  cursor: pointer;
  list-style: none;
}

.page-home .home-index-row summary::-webkit-details-marker {
  display: none;
}

.page-home .home-index-row summary:focus-visible {
  outline: 2px solid var(--c-lemon);
  outline-offset: 3px;
}

.page-home .home-index-num {
  font-size: var(--fs-sm);
  color: var(--c-blue-soft);
  letter-spacing: 0.06em;
}

.page-home .home-index-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-home .home-index-name {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--c-cream);
  line-height: 1.25;
}

.page-home .home-index-desc {
  font-size: var(--fs-xs);
  color: var(--c-cream-faint);
  line-height: 1.6;
}

.page-home .home-index-mark {
  justify-self: end;
}

.page-home .home-index-mark::before {
  content: "";
  display: block;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--c-blue-soft);
  border-bottom: 1px solid var(--c-blue-soft);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.page-home .home-index-row[open] .home-index-mark::before {
  transform: rotate(-135deg);
  border-color: var(--c-neon);
}

.page-home .home-index-row[open] .home-index-name {
  color: var(--c-neon);
}

.page-home .home-index-body {
  padding: 0 0 var(--sp-4) 44px;
}

.page-home .home-index-body p {
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--c-cream-dim);
  line-height: 1.75;
}

.page-home .home-index-link {
  display: inline-block;
  font-size: var(--fs-sm);
  color: var(--c-blue-soft);
  border-bottom: 1px solid var(--c-orange);
  padding-bottom: 2px;
}

.page-home .home-index-link:hover {
  color: var(--c-cream);
}

/* ---------- 赛前清单 ---------- */
.page-home .home-before-copy p {
  margin: 0 0 var(--sp-3);
  color: var(--c-cream-dim);
}

.page-home .home-before .section-title {
  margin: 0 0 var(--sp-3);
}

.page-home .home-checklist {
  display: grid;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-4);
  padding: 0;
  list-style: none;
}

.page-home .home-checklist li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--c-cream-dim);
  line-height: 1.7;
}

.page-home .home-checklist strong {
  color: var(--c-cream);
  font-weight: 700;
}

.page-home .home-check-box {
  position: relative;
  display: block;
  width: 14px;
  height: 14px;
  margin-top: 0.42em;
  border: 1px solid var(--c-lemon);
  border-radius: 1px;
}

.page-home .home-check-box::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  width: 5px;
  height: 8px;
  border-right: 1.5px solid var(--c-lemon);
  border-bottom: 1.5px solid var(--c-lemon);
  transform: rotate(40deg);
}

.page-home .home-before-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-home .home-before-figure {
  align-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-3);
  }

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

  .page-home .home-section-head--split {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: var(--sp-4);
  }

  .page-home .home-section-head--split .side-note {
    margin: 0 0 var(--sp-1);
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding-top: calc(var(--header-h) + var(--sp-7));
    padding-bottom: var(--sp-7);
  }

  .page-home .home-hero-head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
    gap: var(--sp-6);
    margin-bottom: var(--sp-6);
  }

  .page-home .home-split {
    display: flex;
    align-items: stretch;
    gap: 0;
  }

  .page-home .home-pane {
    padding: var(--sp-4);
  }

  .page-home .home-pane--left {
    flex: 0 0 auto;
    width: 58%;
    min-width: 340px;
    max-width: 76%;
    resize: horizontal;
    overflow: auto;
    scrollbar-width: none;
    padding-right: var(--sp-4);
  }

  .page-home .home-pane--left::-webkit-scrollbar {
    display: none;
  }

  .page-home .home-splitter {
    display: block;
    flex: 0 0 1px;
    align-self: stretch;
    background: linear-gradient(180deg, transparent, var(--line-strong) 14%, var(--line-strong) 86%, transparent);
    margin: 0 var(--sp-3);
  }

  .page-home .home-pane--right {
    flex: 1 1 auto;
    min-width: 250px;
    max-width: 62%;
  }

  .page-home .home-two-col {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--sp-6);
    align-items: start;
  }

  .page-home .home-two-col--rev {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .home-index-body {
    padding-left: 60px;
  }
}

@media (min-width: 1080px) {
  .page-home .home-data-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp-3);
  }

  .page-home .home-index-row summary {
    grid-template-columns: 60px minmax(0, 1fr) 20px;
    gap: var(--sp-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-index-mark::before {
    transition: none;
  }
}
</style>