.page-home {
  --home-lead: #C2D2EC;
  --home-body: #A9BCD8;
  --home-row: 300px;
  padding-bottom: 40px;
}

.page-home .section {
  margin-top: clamp(56px, 9vw, 112px);
}

.page-home .section--tight {
  margin-top: clamp(40px, 6vw, 72px);
}

.page-home .breadcrumb {
  margin-top: 20px;
  font-size: 12px;
}

/* ---------- hero ---------- */

.page-home .hero {
  margin-top: 26px;
}

.page-home .hero__head {
  max-width: 44em;
}

.page-home .page-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  font-weight: 700;
  color: var(--text);
}

.page-home .hero__lead {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--home-lead);
  max-width: 38em;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero__split {
  display: grid;
  gap: 16px;
  margin-top: 38px;
}

@media (min-width: 980px) {
  .page-home .hero__split {
    grid-template-columns: minmax(0, var(--home-row)) minmax(0, 1fr);
    gap: 20px;
    align-items: stretch;
  }
}

/* 时间轴 */

.page-home .hero__timeline {
  order: 2;
  border: 1px solid var(--line);
  background: var(--panel-deep);
  padding: 18px 16px 20px;
}

@media (min-width: 980px) {
  .page-home .hero__timeline {
    order: 0;
  }
}

.page-home .timeline__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-home .timeline__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-home .timeline__hint {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

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

.page-home .timeline__item {
  position: relative;
  padding-left: 15px;
  display: grid;
  gap: 4px;
  justify-items: start;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 2px;
  height: calc(100% - 6px);
  background: var(--line);
}

.page-home .timeline__item::after {
  content: "";
  position: absolute;
  left: -2px;
  top: 6px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-home .timeline__item--orange::after {
  background: var(--orange);
}

.page-home .timeline__item--green::after {
  background: var(--green);
}

.page-home .timeline__time {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--yellow);
}

.page-home .timeline__name {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

.page-home .timeline__meta {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-home .timeline__item .tag {
  margin-top: 4px;
}

/* 数据面板 */

.page-home .hero__board {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #0A1224 0%, #060B18 100%);
  min-height: 380px;
  display: flex;
}

.page-home .hero__board-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  pointer-events: none;
}

.page-home .hero__board::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 88% 0%, rgba(34, 224, 208, 0.16), transparent 62%);
  pointer-events: none;
}

.page-home .hero__board-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: grid;
  gap: 20px;
  align-content: space-between;
  padding: 24px 20px 22px;
}

@media (min-width: 720px) {
  .page-home .hero__board-inner {
    padding: 32px 30px 28px;
    gap: 24px;
  }
}

.page-home .board__label {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .board__hero-stat {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.page-home .board__num {
  font-family: var(--font-mono);
  font-size: clamp(54px, 13vw, 96px);
  line-height: 0.94;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .board__unit {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.page-home .board__desc {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--home-body);
}

.page-home .board__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

@media (min-width: 720px) {
  .page-home .board__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .board__stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  color: var(--cyan);
  display: block;
}

.page-home .board__stats .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

.page-home .board__chart {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-home .board__chart svg {
  width: min(240px, 100%);
  height: auto;
  flex: 0 0 auto;
}

.page-home .board__chart-label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 20em;
}

/* ---------- 章节索引 ---------- */

.page-home .chapter-index {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 880px) {
  .page-home .chapter-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.page-home .chapter-index__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 12px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .chapter-index__item:hover,
.page-home .chapter-index__item:focus-visible {
  color: var(--text);
  background: var(--panel);
  border-left-color: var(--cyan);
}

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

/* ---------- 通用区块标题 ---------- */

.page-home .section-head {
  max-width: 40em;
}

.page-home .eyebrow {
  color: var(--cyan);
}

.page-home .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--text);
}

.page-home .section-lead {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--home-lead);
}

/* ---------- 02 三件要确认的事 ---------- */

.page-home .checks__layout {
  display: grid;
  gap: 26px;
  margin-top: 34px;
}

@media (min-width: 960px) {
  .page-home .checks__layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
}

.page-home .check-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

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

.page-home .check-row__idx {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-home .check-row--orange .check-row__idx {
  color: var(--orange);
}

.page-home .check-row--blue .check-row__idx {
  color: var(--blue);
}

.page-home .check-row__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-home .check-row__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--home-body);
}

.page-home .check-row__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, 0.35);
}

.page-home .check-row__text a:hover {
  border-bottom-color: var(--cyan);
}

.page-home .check-row__fields {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .check-row__fields li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--panel-deep);
  padding: 5px 9px;
}

.page-home .checks__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

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

.page-home .checks__figure .media-frame img,
.page-home .flow__figure .media-frame img,
.page-home .coverage__figure .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-home .checks__caption,
.page-home .flow__caption,
.page-home .coverage__caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .checks__legend {
  border: 1px solid var(--line);
  background: var(--panel-deep);
  padding: 16px 14px;
}

.page-home .checks__legend .legend__item {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--home-body);
}

/* ---------- 03 流程 ---------- */

.page-home .flow {
  margin-top: 34px;
  display: grid;
  gap: 30px;
}

@media (min-width: 960px) {
  .page-home .flow {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: start;
  }
}

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

.page-home .flow__step {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

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

.page-home .flow__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-home .flow__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
}

.page-home .flow__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--home-body);
}

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

/* ---------- 04 覆盖范围 ---------- */

.page-home .coverage__band {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 880px) {
  .page-home .coverage__band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .coverage__cell {
  background: var(--ink);
  padding: 22px 16px;
}

.page-home .coverage__num {
  display: block;
  font-size: clamp(28px, 5vw, 38px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .coverage__label {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

.page-home .coverage__split {
  margin-top: 32px;
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-home .coverage__split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 44px;
    align-items: start;
  }
}

.page-home .coverage__roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-home .coverage__role {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid var(--line);
}

.page-home .coverage__role:nth-child(1) {
  border-left-color: var(--cyan);
}

.page-home .coverage__role:nth-child(2) {
  border-left-color: var(--blue);
}

.page-home .coverage__role:nth-child(3) {
  border-left-color: var(--orange);
}

.page-home .coverage__role-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16.5px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
}

.page-home .coverage__role p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--home-body);
}

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

/* ---------- 05 高频问题 ---------- */

.page-home .faq {
  margin-top: 30px;
  border-bottom: 1px solid var(--line);
}

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

.page-home .faq__item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 4px;
  font-size: 16.5px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--text);
  transition: color 180ms var(--ease);
}

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

.page-home .faq__item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 200ms var(--ease);
}

.page-home .faq__item[open] summary::after {
  transform: rotate(45deg);
}

.page-home .faq__item summary:hover,
.page-home .faq__item summary:focus-visible {
  color: var(--cyan);
}

.page-home .faq__a {
  margin: 0;
  padding: 0 4px 22px;
  max-width: var(--measure);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--home-body);
}

.page-home .faq__more {
  margin: 24px 0 0;
}

/* ---------- 结尾行动条 ---------- */

.page-home .start-bar {
  margin-top: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(96deg, rgba(34, 224, 208, 0.09), rgba(76, 125, 255, 0.07) 58%, rgba(6, 11, 24, 0) 100%);
  padding: 28px 22px;
  display: grid;
  gap: 22px;
}

@media (min-width: 900px) {
  .page-home .start-bar {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: center;
    gap: 36px;
    padding: 36px 34px;
  }
}

.page-home .start-bar__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.2vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--text);
}

.page-home .start-bar p {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--home-body);
}

.page-home .start-bar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 420px) {
  .page-home .check-row {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 4px 10px;
  }

  .page-home .flow__step {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 4px 12px;
  }
}
<<<END>>>