.page-home {
  --home-chapter-pad: clamp(48px, 7vw, 96px);
  --home-num-indent: clamp(96px, 8vw, 156px);
  background: var(--paper);
  color: var(--ink);
}

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

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 8vw, 104px) 0 clamp(44px, 6vw, 82px);
  border-bottom: 2px solid var(--ink);
}

.page-home .home-hero__ghost {
  position: absolute;
  top: clamp(4px, 3vw, 28px);
  right: clamp(-24px, 1vw, 32px);
  z-index: 0;
  font-size: clamp(8rem, 24vw, 20rem);
  font-weight: 300;
  line-height: .78;
  letter-spacing: -.05em;
  font-variant-numeric: tabular-nums;
  color: transparent;
  -webkit-text-stroke: 1px var(--gravel);
  pointer-events: none;
  user-select: none;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-home .home-hero__title {
  margin: 16px 0 0;
  font-size: clamp(2.6rem, 9vw, 7rem);
  font-weight: 300;
  line-height: .95;
  letter-spacing: -.02em;
}

.page-home .home-hero__line {
  display: block;
}

.page-home .home-hero__line--sub {
  font-size: .78em;
  letter-spacing: -.01em;
}

.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: clamp(1rem, 1.5vw, 1.05rem);
  line-height: 1.78;
  color: var(--graphite);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.page-home .home-hero__update {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding-top: 18px;
  border-top: 2px solid var(--ink);
  font-size: 13px;
  color: var(--graphite);
}

.page-home .home-hero__update-text {
  font-weight: 700;
  color: var(--ink);
}

.page-home .home-hero__visual {
  margin: 0;
}

/* ---------- 正文骨架 ---------- */
.page-home .home-body {
  padding: clamp(40px, 6vw, 80px) 0 clamp(64px, 9vw, 120px);
}

/* ---------- 章节索引 ---------- */
.page-home .home-toc {
  margin-bottom: clamp(40px, 6vw, 64px);
}

.page-home .home-toc__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-home .home-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--gravel);
}

.page-home .home-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0 9px 16px;
  margin-left: -2px;
  border-left: 2px solid transparent;
  color: var(--graphite);
  font-size: 13px;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .home-toc a:hover {
  color: var(--ink);
}

.page-home .home-toc a[aria-current] {
  border-left-color: var(--blue);
  color: var(--ink);
  font-weight: 700;
}

.page-home .home-toc__num {
  font-size: 11px;
  letter-spacing: .12em;
  font-variant-numeric: tabular-nums;
  color: var(--graphite);
}

/* ---------- 章节通用 ---------- */
.page-home .home-chapter {
  position: relative;
  padding: var(--home-chapter-pad) 0;
}

.page-home .home-chapter + .home-chapter {
  border-top: 2px solid var(--ink);
}

.page-home .section-num {
  display: block;
  font-size: clamp(2.6rem, 12vw, 4rem);
  font-weight: 300;
  line-height: .85;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.page-home .home-chapter h2 {
  margin: 8px 0 0;
  max-width: 22ch;
  font-size: clamp(1.55rem, 4.2vw, 2.6rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-home .home-chapter__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-home .chapter-cta {
  margin: clamp(24px, 3vw, 34px) 0 0;
}

/* ---------- 01 服务面板 ---------- */
.page-home .panel-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
  align-items: start;
}

.page-home .svc-card {
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--ink);
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-home .svc-card[open] {
  border-color: var(--blue);
  box-shadow: 7px 7px 0 var(--blue);
}

.page-home .svc-card summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 1.05rem;
  font-weight: 700;
}

.page-home .svc-card summary::-webkit-details-marker {
  display: none;
}

.page-home .svc-card__title {
  flex: 1 1 auto;
}

.page-home .svc-card summary::after {
  content: "+";
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1;
  color: var(--graphite);
}

.page-home .svc-card[open] summary::after {
  content: "–";
}

.page-home .svc-card__body {
  margin: 0 18px 18px;
  padding-top: 14px;
  border-top: 2px solid var(--gravel);
  font-size: .95rem;
  line-height: 1.78;
  color: var(--graphite);
}

.page-home .svc-card__body p {
  margin: 0 0 12px;
}

.page-home .svc-card__link {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s var(--ease);
}

.page-home .svc-card__link:hover {
  background: var(--peach);
}

.page-home .panel-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 02 双线入口 ---------- */
.page-home .lane-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 40px);
}

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

.page-home .lane-notes {
  display: grid;
  gap: 24px;
}

.page-home .lane-note {
  border-left: 2px solid var(--ink);
  padding-left: clamp(16px, 2vw, 24px);
}

.page-home .lane-note__index {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-home .lane-note h3 {
  margin: 8px 0 0;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
}

.page-home .lane-note__text {
  margin: 10px 0 0;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 03 适配速览 ---------- */
.page-home .table-wrap {
  margin-top: clamp(26px, 4vw, 40px);
  overflow-x: auto;
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}

.page-home .platform-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.page-home .platform-table__caption {
  caption-side: top;
  padding: 12px 16px;
  border-bottom: 2px solid var(--gravel);
  text-align: left;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-home .platform-table th,
.page-home .platform-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gravel);
  text-align: left;
  vertical-align: top;
}

.page-home .platform-table thead th {
  background: var(--mint);
  border-bottom: 2px solid var(--ink);
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
}

.page-home .platform-table tbody th {
  font-weight: 700;
  white-space: nowrap;
}

.page-home .platform-table tbody tr:nth-child(even) {
  background: rgba(216, 220, 227, .24);
}

.page-home .platform-table tbody tr:hover {
  background: var(--peach);
}

.page-home .platform-table tbody tr:last-child th,
.page-home .platform-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .platform-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 04 更新节奏 ---------- */
.page-home .cadence {
  list-style: none;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0 0 0 0;
  border-left: 3px solid var(--ink);
}

.page-home .cadence__item {
  position: relative;
  padding: 0 0 28px 26px;
}

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

.page-home .cadence__item::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 3px;
  width: 14px;
  height: 14px;
  background: var(--paper);
  border: 3px solid var(--ink);
}

.page-home .cadence__when {
  display: inline-block;
  padding: 3px 9px;
  background: var(--amber);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}

.page-home .cadence h3 {
  margin: 10px 0 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.page-home .cadence p {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 05 常见操作 ---------- */
.page-home .quick-list {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-home .quick-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--gravel);
  color: var(--ink);
  text-decoration: none;
  transition: background .2s var(--ease), padding-left .2s var(--ease);
}

.page-home .quick-item:hover {
  background: var(--mint);
  padding-left: 12px;
}

.page-home .quick-item__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  font-variant-numeric: tabular-nums;
  color: var(--graphite);
}

.page-home .quick-item__text {
  font-size: clamp(.98rem, 2vw, 1.08rem);
  font-weight: 700;
}

.page-home .quick-item__meta {
  font-size: 12px;
  color: var(--graphite);
  white-space: nowrap;
}

/* ---------- 06 联络与支持 ---------- */
.page-home .support-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .support-card {
  padding: 22px 20px;
  background: var(--night);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
}

.page-home .support-card__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, .72);
}

.page-home .support-card__value {
  margin: 12px 0 0;
  font-size: clamp(1.28rem, 3vw, 1.7rem);
  font-weight: 700;
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.page-home .support-card__note {
  margin: 10px 0 0;
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(250, 250, 247, .74);
}

.page-home .support-prep {
  margin-top: clamp(28px, 4vw, 42px);
  padding: clamp(20px, 3vw, 30px);
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--ink);
}

.page-home .support-prep h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.page-home .support-prep ul {
  margin: 16px 0 0;
  padding-left: 20px;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-home .support-prep li {
  margin-bottom: 6px;
}

.page-home .support-prep__addr {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 2px solid var(--gravel);
  font-size: .92rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-home .support-prep__addr a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--ink);
}

.page-home .support-prep__addr a:hover {
  background: var(--peach);
}

.page-home .support-prep .btn {
  margin-top: 20px;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 720px) {
  .page-home .panel-grid,
  .page-home .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .lane-grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    column-gap: clamp(32px, 4vw, 64px);
    align-items: end;
  }

  .page-home .home-hero__intro {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .home-hero__visual {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 6px;
  }

  .page-home .home-hero__update {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (min-width: 1000px) {
  .page-home .home-body {
    display: grid;
    grid-template-columns: 172px minmax(0, 1fr);
    column-gap: clamp(40px, 4vw, 80px);
    align-items: start;
  }

  .page-home .home-toc {
    position: sticky;
    top: 120px;
    margin-bottom: 0;
  }

  .page-home .home-chapter {
    padding-left: var(--home-num-indent);
  }

  .page-home .home-chapter .section-num {
    position: absolute;
    left: 0;
    top: var(--home-chapter-pad);
    font-size: clamp(3rem, 5.5vw, 5.5rem);
    line-height: .82;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-toc a,
  .page-home .svc-card,
  .page-home .svc-card__link,
  .page-home .quick-item,
  .page-home .support-prep__addr a {
    transition: none;
  }
}