.page-home {
  --home-space: clamp(52px, 8vw, 116px);
  display: block;
  overflow-x: clip;
}

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

.page-home a:focus-visible,
.page-home summary:focus-visible,
.page-home details:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 页面上文提示 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0;
  padding: 18px 0 6px;
  font-size: var(--fs-1);
  color: var(--muted);
  letter-spacing: .04em;
}

.page-home .home-context-note {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  display: grid;
  gap: 28px;
  padding: 14px 0 var(--home-space);
  position: relative;
}

.page-home .hero-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .hero-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 8.4vw, 78px);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-home .hero-lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: var(--fs-3);
  line-height: 1.85;
  color: rgba(242, 245, 247, .84);
}

.page-home .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

.page-home .hero-visual {
  position: relative;
}

.page-home .hero-figure {
  position: relative;
  z-index: 1;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(43, 245, 208, .34);
  border-radius: 4px 96px 4px 96px;
  background: var(--navy);
}

.page-home .hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .hero-arc {
  position: absolute;
  right: -12%;
  bottom: -14%;
  width: 68%;
  height: 62%;
  border: 1px solid var(--clay);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  opacity: .55;
  pointer-events: none;
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 4px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .hero-stats > div {
  background: var(--ink);
  padding: 16px 14px 18px;
}

.page-home .hero-stats dt {
  margin: 0;
  font-size: var(--fs-1);
  letter-spacing: .06em;
  color: var(--muted);
}

.page-home .hero-stats dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-5);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

/* ---------- 章节通用 ---------- */
.page-home .home-section {
  padding: var(--home-space) 0 0;
}

.page-home .sec-head {
  position: relative;
  margin: 0 0 26px;
  padding-left: 0;
}

.page-home .sec-num {
  display: block;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(42px, 10vw, 92px);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--orange);
  opacity: .34;
  user-select: none;
  pointer-events: none;
}

.page-home .sec-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .sec-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.8vw, 46px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--white);
  text-wrap: balance;
}

.page-home .sec-lede {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: var(--fs-3);
  line-height: 1.85;
  color: var(--muted);
}

.page-home .home-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin: 26px 0 0;
}

.page-home .link-plain {
  font-size: var(--fs-2);
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-color: var(--line);
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}

.page-home .link-plain:hover {
  color: var(--cyan);
  text-decoration-color: var(--cyan);
}

/* ---------- 01 近 5 轮数据台 ---------- */
.page-home .data-banner {
  margin: 0 0 18px;
  overflow: hidden;
  aspect-ratio: 5 / 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--navy);
}

.page-home .data-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .data-cards {
  display: grid;
  gap: 16px;
}

.page-home .data-card {
  padding: 20px 18px 22px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  transition: transform var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.page-home .data-card:hover,
.page-home .data-card:focus-within {
  transform: translateY(-6px);
  background: rgba(242, 245, 247, .1);
  border-color: rgba(43, 245, 208, .42);
}

.page-home .data-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-home .data-card-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .14em;
  color: var(--muted);
}

.page-home .data-card-trend {
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  font-variant-numeric: tabular-nums;
}

.page-home .is-up { color: var(--up); }
.page-home .is-down { color: var(--down); }

.page-home .data-card-title {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-home .data-rows {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-home .data-rows > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .data-rows dt {
  font-size: var(--fs-2);
  color: var(--muted);
}

.page-home .data-rows dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-4);
  font-variant-numeric: tabular-nums;
  color: var(--white);
}

/* ---------- 02 积分排名看板 ---------- */
.page-home .board {
  display: grid;
  gap: 16px;
}

.page-home .board-panel {
  padding: 22px 18px 20px;
  display: grid;
  gap: 14px;
}

.page-home .board-row {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 52px 46px;
  align-items: center;
  gap: 10px;
}

.page-home .board-rank {
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  color: var(--muted);
}

.page-home .board-bar {
  display: block;
  height: 10px;
  background: var(--ink);
  border: 1px solid var(--line);
}

.page-home .board-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--clay), var(--orange) 52%, var(--cyan));
}

.page-home .board-fill--1 { width: 100%; }
.page-home .board-fill--2 { width: 94%; }
.page-home .board-fill--3 { width: 90%; }

.page-home .board-pts {
  font-family: var(--font-mono);
  font-size: var(--fs-4);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--white);
}

.page-home .board-delta {
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  text-align: right;
}

.page-home .board-note {
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--muted);
}

.page-home .board-aside {
  padding: 22px 20px 24px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .aside-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--white);
}

.page-home .aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .aside-list li {
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .aside-list strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 500;
  color: var(--white);
}

.page-home .board-aside-cta {
  margin: 2px 0 0;
}

/* ---------- 03 稳定版面版下载 ---------- */
.page-home .dl-layout {
  display: grid;
  gap: 24px;
}

.page-home .dl-figure {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: 2px 72px 2px 72px;
  background: var(--navy);
}

.page-home .dl-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .dl-lede {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.85;
  color: rgba(242, 245, 247, .84);
}

.page-home .dl-details {
  margin: 22px 0 0;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-home .dl-details summary {
  cursor: pointer;
  padding: 15px 16px;
  font-size: var(--fs-2);
  letter-spacing: .02em;
  color: var(--cyan);
  list-style: none;
}

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

.page-home .dl-details summary::after {
  content: "  +";
  font-family: var(--font-mono);
}

.page-home .dl-details[open] summary::after {
  content: "  −";
  font-family: var(--font-mono);
}

.page-home .dl-details ul {
  margin: 0;
  padding: 0 16px 18px;
  list-style: none;
  display: grid;
  gap: 12px;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .dl-details strong {
  color: var(--white);
  font-weight: 500;
}

/* ---------- 04 先声专栏 ---------- */
.page-home .col-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .col-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .col-index {
  font-family: var(--font-mono);
  font-size: var(--fs-4);
  line-height: 1.1;
  color: transparent;
  -webkit-text-stroke: 1px var(--orange);
}

.page-home .col-body .chip {
  display: inline-block;
  margin-bottom: 8px;
}

.page-home .col-title {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-4);
  font-weight: 500;
  line-height: 1.5;
  color: var(--white);
}

.page-home .col-body p {
  margin: 8px 0 0;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .col-link {
  grid-column: 2;
  justify-self: start;
}

/* ---------- 05 弯道夜跑 ---------- */
.page-home .night {
  display: grid;
  gap: 24px;
}

.page-home .night-copy .sec-num {
  margin-bottom: 4px;
}

.page-home .night-copy > p:not(.sec-kicker) {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: var(--fs-3);
  line-height: 1.85;
  color: rgba(242, 245, 247, .84);
}

.page-home .night-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .night-stats > div {
  background: var(--ink);
  padding: 14px 12px 16px;
}

.page-home .night-stats dt {
  margin: 0;
  font-size: var(--fs-1);
  letter-spacing: .06em;
  color: var(--muted);
}

.page-home .night-stats dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-4);
  font-variant-numeric: tabular-nums;
  color: var(--orange);
}

.page-home .night-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 14 / 9;
  border: 1px solid var(--line);
  border-radius: 96px 4px 96px 4px;
  background: var(--navy);
}

.page-home .night-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 06 四步上手 ---------- */
.page-home .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .step {
  position: relative;
  background: var(--navy);
  padding: 22px 18px 26px;
}

.page-home .step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 70%);
  opacity: .5;
}

.page-home .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .18em;
  color: var(--orange);
}

.page-home .step h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-home .step p {
  margin: 10px 0 0;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 收束弧线 ---------- */
.page-home .home-arc {
  margin: var(--home-space) 0 0;
  height: 74px;
  border-top: 1px solid var(--clay);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  background: linear-gradient(180deg, rgba(43, 245, 208, .12), transparent 78%);
}

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

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

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

@media (min-width: 860px) {
  .page-home .sec-head {
    padding-left: 96px;
  }

  .page-home .sec-num {
    position: absolute;
    left: 0;
    top: 6px;
    margin: 0;
  }

  .page-home .col-item {
    grid-template-columns: 46px minmax(0, 1fr) 148px;
    align-items: center;
    gap: 20px;
  }

  .page-home .col-link {
    grid-column: 3;
    justify-self: end;
  }

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

@media (min-width: 1000px) {
  .page-home .hero {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
    align-items: center;
    column-gap: clamp(28px, 4vw, 64px);
  }

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

  .page-home .hero-visual {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .hero-stats {
    grid-column: 1 / -1;
    grid-row: 2;
    margin-top: 10px;
  }

  .page-home .board {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-home .dl-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(28px, 4vw, 60px);
  }

  .page-home .night {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
    gap: clamp(28px, 4vw, 64px);
  }

  .page-home .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

  .page-home .data-card:hover,
  .page-home .data-card:focus-within {
    transform: none;
  }
}
</main>