.page-home{
  --home-gutter: clamp(18px, 5vw, 64px);
  --home-max: 1240px;
  display: block;
}

/* ============ 首屏封面 ============ */
.page-home .hero{
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: clamp(28px, 5vw, 48px);
  min-height: min(100svh, 880px);
  padding: 104px var(--home-gutter) 32px;
  overflow: hidden;
  isolation: isolate;
}
.page-home .hero__bg{
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-home .hero__bg img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(.36) saturate(.85) contrast(1.05);
}
.page-home .hero__bg::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5,7,14,.92) 0%, rgba(5,7,14,.6) 42%, #05070E 100%),
    repeating-linear-gradient(135deg, rgba(46,230,168,.05) 0 2px, transparent 2px 14px);
}
.page-home .hero__arc{
  position: absolute;
  right: -8%;
  bottom: -18%;
  width: min(760px, 78vw);
  height: auto;
  z-index: -1;
  pointer-events: none;
}
.page-home .hero__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  width: 100%;
  max-width: var(--home-max);
  margin: 0 auto;
}
.page-home .hero__eyebrow{
  margin: 0 0 14px;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.page-home .hero__title{
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 8vw, 5.2rem);
  line-height: .96;
  letter-spacing: -.03em;
  color: var(--text);
}
.page-home .hero__title span{
  display: block;
  margin-top: 8px;
  font-size: clamp(1.1rem, 3vw, 1.8rem);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--mint);
}
.page-home .hero__intro{
  max-width: 40ch;
  margin: 0 0 18px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--text-2);
}
.page-home .hero__note{
  margin: 0 0 24px;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}
.page-home .hero__note b{
  color: var(--yellow);
  font-family: var(--font-mono);
  font-size: 16px;
}
.page-home .hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-home .hero__stats{
  display: grid;
  gap: 10px;
  align-content: end;
}
.page-home .hero__stat{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(11,16,32,.72);
}
.page-home .hero__stat--split{
  flex-wrap: wrap;
}
.page-home .hero__stat .stat__value{
  font-size: clamp(1.8rem, 4.4vw, 2.8rem);
  line-height: 1;
}
.page-home .hero__stat .stat__unit{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-3);
}
.page-home .hero__stat .stat__label{
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-2);
  text-transform: uppercase;
}
.page-home .hero__stat .dash{
  color: var(--text-3);
  font-size: .75em;
  margin: 0 2px;
}

/* 轮次刻度带 */
.page-home .round-scale{
  display: flex;
  gap: 0;
  width: 100%;
  max-width: var(--home-max);
  margin: 0 auto;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}
.page-home .round-scale__tick{
  flex: 0 0 auto;
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-3);
  border-right: 1px solid var(--line);
  white-space: nowrap;
}
.page-home .round-scale__tick.is-current{
  color: var(--ink-900);
  background: var(--orange);
  font-weight: 700;
}

/* 章节索引 */
.page-home .chapter-index{
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  width: 100%;
  max-width: var(--home-max);
  margin: 0 auto;
}
.page-home .chapter-index__link{
  position: relative;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-2);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-home .chapter-index__link::before{
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  margin-top: -2px;
  background: var(--line);
  transition: background .2s var(--ease);
}
.page-home .chapter-index__link:hover,
.page-home .chapter-index__link[aria-current="true"]{
  color: var(--mint);
}
.page-home .chapter-index__link[aria-current="true"]::before{
  background: var(--mint);
}

/* ============ 章节通用 ============ */
.page-home .chapter{
  width: 100%;
  max-width: var(--home-max);
  margin: 0 auto;
  padding: clamp(56px, 9vw, 104px) var(--home-gutter);
}
.page-home .section-tag{
  margin: 0 0 14px;
  color: var(--text-2);
}
.page-home .section-tag b{
  color: var(--mint);
}
.page-home .chapter__title{
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.4vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--text);
}
.page-home .chapter__lead{
  max-width: 56ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-2);
}

/* ============ 01 四条主线 ============ */
.page-home .chapter__head{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-bottom: clamp(32px, 5vw, 56px);
}
.page-home .media-frame{
  margin: 0;
  overflow: hidden;
  background: var(--ink-800);
}
.page-home .media-frame img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .media-frame--cut{
  clip-path: var(--cut);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
}
.page-home .media-frame__caption{
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--text-2);
  background: var(--ink-700);
  text-transform: uppercase;
}
.page-home .lines-grid{
  gap: clamp(16px, 2.4vw, 26px);
}
.page-home .line-card{
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-700);
  border: 1px solid var(--line);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.page-home .line-card:hover{
  transform: translateY(-4px);
  border-color: rgba(46,230,168,.45);
}
.page-home .line-card__tag{
  margin: 0;
  color: var(--orange);
}
.page-home .line-card__title{
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 700;
  color: var(--text);
}
.page-home .line-card__text{
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}
.page-home .line-card__text b{
  color: var(--yellow);
  font-family: var(--font-mono);
  font-size: 16px;
}
.page-home .line-card__facts{
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}
.page-home .line-card__facts li{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-3);
}
.page-home .line-card__facts b{
  color: var(--mint);
}
.page-home .line-card__link{
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46,230,168,.4);
  padding-bottom: 2px;
}
.page-home .line-card__link:hover{
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ============ 02 本轮焦点 ============ */
.page-home .focus-head{
  margin-bottom: clamp(24px, 4vw, 40px);
}
.page-home .focus-rail{
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 78vw);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 18px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.page-home .focus-card{
  position: relative;
  scroll-snap-align: start;
  padding: 22px 20px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.page-home .focus-card:hover{
  transform: translateY(-4px);
  border-color: rgba(255,122,26,.5);
}
.page-home .focus-card:hover::after{
  content: attr(data-footnote);
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: -34px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--text-3);
}
.page-home .focus-card__tag{
  margin: 0 0 12px;
  color: var(--text-3);
}
.page-home .focus-card__num{
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--mint);
  font-variant-numeric: tabular-nums;
}
.page-home .focus-card__num span{
  font-size: .4em;
  color: var(--text-3);
  margin-left: 4px;
}
.page-home .focus-card__title{
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.page-home .focus-card__text{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}
.page-home .focus-foot,
.page-home .chart-foot,
.page-home .faq-foot{
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}
.page-home .focus-foot a,
.page-home .chart-foot a,
.page-home .faq-foot a{
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46,230,168,.4);
}
.page-home .focus-foot a:hover,
.page-home .chart-foot a:hover,
.page-home .faq-foot a:hover{
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ============ 03 复盘图表 ============ */
.page-home .chart-chapter{
  position: relative;
  isolation: isolate;
}
.page-home .chart-bg{
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  opacity: .2;
}
.page-home .chart-bg img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .chart-bg::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #05070E 0%, rgba(5,7,14,.55) 45%, #05070E 100%);
}
.page-home .chart-head{
  margin-bottom: clamp(22px, 3vw, 34px);
}
.page-home .chart-tabs{
  border: 1px solid var(--line);
  background: rgba(11,16,32,.82);
  backdrop-filter: blur(2px);
}
.page-home .tabs__bar{
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
}
.page-home .tabs__btn{
  flex: 1 1 auto;
  padding: 14px 18px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-2);
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.page-home .tabs__btn:last-child{
  border-right: 0;
}
.page-home .tabs__btn:hover{
  color: var(--text);
  background: rgba(46,230,168,.06);
}
.page-home .tabs__btn[aria-selected="true"]{
  color: var(--ink-900);
  background: var(--mint);
  font-weight: 700;
}
.page-home .chart-panel{
  padding: clamp(18px, 3vw, 30px);
}
.page-home .chart-panel__axis{
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--text-3);
}
.page-home .chart-svg{
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.page-home .chart-panel__note{
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

/* ============ 04 数据服务与合作 ============ */
.page-home .service-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
}
.page-home .service-list{
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  border-top: 1px solid var(--line);
}
.page-home .service-item{
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-home .service-item__tag{
  margin: 0;
  color: var(--mint);
}
.page-home .service-item__text{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}
.page-home .service-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-home .service-aside{
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-home .service-figure{
  aspect-ratio: 1 / 1;
}
.page-home .service-stats{
  padding: 22px 20px;
  background: var(--ink-700);
  border: 1px solid var(--line);
}
.page-home .service-stats__tag{
  margin: 0 0 14px;
  color: var(--orange);
}
.page-home .service-stats__list{
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .service-stats__list li{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
}
.page-home .service-stats__list b{
  min-width: 2.4em;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--yellow);
  font-variant-numeric: tabular-nums;
}
.page-home .service-stats__list span{
  font-size: 13.5px;
  color: var(--text-2);
}
.page-home .service-stats__note{
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-3);
}

/* ============ 05 常见疑问 ============ */
.page-home .faq-chapter{
  padding-bottom: clamp(70px, 11vw, 130px);
}
.page-home .faq-list{
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
}
.page-home .disclosure{
  border: 1px solid var(--line);
  background: var(--ink-800);
}
.page-home .disclosure__btn{
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.page-home .disclosure__btn::before{
  content: "+";
  flex: 0 0 auto;
  width: 22px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mint);
  transition: transform .25s var(--ease);
}
.page-home .disclosure__btn::after{
  content: "";
  flex: 1 1 auto;
}
.page-home .disclosure__btn:hover{
  background: rgba(46,230,168,.06);
  color: var(--mint);
}
.page-home .disclosure__btn[aria-expanded="true"]{
  color: var(--mint);
}
.page-home .disclosure__btn[aria-expanded="true"]::before{
  transform: rotate(45deg);
}
.page-home .disclosure__panel{
  padding: 0 20px 20px 56px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
  border-top: 1px solid var(--line);
  margin: 0 20px 18px;
  padding-left: 0;
}
.page-home .disclosure__panel p{
  margin: 16px 0 0;
}

/* ============ 分栏 ============ */
@media (min-width: 720px){
  .page-home .chapter__head{
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-home .lines-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .focus-rail{
    grid-auto-columns: minmax(240px, 1fr);
    grid-auto-flow: column;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    grid-auto-flow: row;
    overflow: visible;
  }
  .page-home .service-item{
    grid-template-columns: 160px 1fr;
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 960px){
  .page-home .hero{
    justify-content: center;
    padding-top: 120px;
  }
  .page-home .hero__grid{
    grid-template-columns: 6fr 4fr;
    align-items: end;
  }
  .page-home .service-grid{
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-home .focus-card:hover::after{
    bottom: -30px;
  }
}

@media (min-width: 1180px){
  .page-home .lines-grid{
    gap: 24px;
  }
  .page-home .focus-rail{
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-home .line-card,
  .page-home .focus-card,
  .page-home .chapter-index__link,
  .page-home .disclosure__btn,
  .page-home .tabs__btn{
    transition: none;
  }
  .page-home .line-card:hover,
  .page-home .focus-card:hover{
    transform: none;
  }
}
<<<END>>>