.page-home {
  --ph-gap: clamp(18px, 2.6vw, 36px);
  --ph-pad: clamp(20px, 3vw, 40px);
  --ph-radius: var(--r-lg);
  --ph-card: var(--ink-deep);
}

/* ---------- 首屏：3:9 非对称双栏 ---------- */
.page-home .hero-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
  align-items: stretch;
  padding-top: clamp(8px, 2vw, 22px);
}

.page-home .hero-rail {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 18px;
  background:
    linear-gradient(180deg, rgba(43, 240, 200, 0.09), rgba(43, 240, 200, 0) 58%),
    var(--ph-card);
  border: 1px solid var(--line);
  border-radius: var(--ph-radius);
  overflow: hidden;
}

.page-home .hero-rail::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 40px);
  opacity: 0.28;
  pointer-events: none;
}

.page-home .hero-rail > * {
  position: relative;
  z-index: 1;
}

.page-home .rail-lamp {
  width: 46px;
  height: 4px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--cyan), rgba(43, 240, 200, 0));
  box-shadow: 0 0 18px rgba(43, 240, 200, 0.55);
}

.page-home .rail-idx {
  margin: 0;
  color: var(--cyan);
}

.page-home .rail-title {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--paper);
}

.page-home .rail-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .rail-btn {
  align-self: flex-start;
  margin-top: 2px;
}

.page-home .rail-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.page-home .rail-dev {
  color: var(--crease);
  margin-right: 6px;
}

.page-home .rail-media {
  margin: 8px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .rail-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.05);
}

.page-home .rail-media figcaption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  background: var(--graphite);
}

.page-home .hero-board {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(20px, 3vw, 40px);
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-radius: var(--ph-radius);
}

.page-home .board-kicker {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .board-kicker .dot {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(43, 240, 200, 0.8);
}

.page-home .hero-board h1 {
  margin: 0;
  font-size: clamp(34px, 5.6vw, 76px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.04;
  color: var(--paper);
  max-width: 16ch;
}

.page-home .hero-board .lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--crease);
}

.page-home .board-live {
  margin-top: 4px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-home .board-live__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.page-home .board-live__head p {
  margin: 0;
}

.page-home .board-live__note {
  font-size: 12px;
  color: var(--muted);
}

.page-home .live-rows {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-home .live-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: var(--graphite);
  transition: background 150ms var(--ease), box-shadow 150ms var(--ease);
  position: relative;
}

.page-home .live-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background 150ms var(--ease);
}

.page-home .live-row:hover::before {
  background: var(--cyan);
}

.page-home .live-row:hover {
  background: #1b312c;
}

.page-home .live-row__no {
  font-size: 12px;
  color: var(--muted);
}

.page-home .live-row__name {
  font-size: 14px;
  color: var(--paper);
}

.page-home .live-row__meta {
  font-size: 12px;
  color: var(--cyan);
}

.page-home .live-row--wait .live-row__meta {
  color: var(--muted);
}

.page-home .live-row--diff .live-row__meta {
  color: var(--orange);
}

.page-home .live-row--diff {
  background: var(--orange-soft);
}

.page-home .board-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-home .board-stats > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .board-stats__n {
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -0.02em;
}

.page-home .board-stats__l {
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 常看栏目索引 ---------- */
.page-home .index-block .section-head {
  margin-bottom: 16px;
}

.page-home .index-grid {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .index-card {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: start;
  align-items: center;
  gap: 8px 10px;
  padding: 18px 18px 20px;
  background: var(--ink-deep);
  transition: background 150ms var(--ease);
}

.page-home .index-card:hover {
  background: var(--cyan-soft);
}

.page-home .index-card__no {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.14em;
}

.page-home .index-card h3 {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .index-card p {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .index-empty {
  padding: 22px 18px;
  background: var(--graphite);
  color: var(--muted);
  font-size: 14px;
}

/* ---------- 对照清单与积分榜差异 ---------- */
.page-home .ledger-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
}

.page-home .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-deep);
}

.page-home .ledger-table {
  min-width: 640px;
}

.page-home .ledger-table td {
  font-size: 14px;
}

.page-home .ledger-table tbody tr:hover {
  background: var(--cyan-soft);
}

.page-home .ledger-cap {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  color: var(--muted);
  background: var(--graphite);
  border-bottom: 1px solid var(--line);
}

.page-home .ledger-note {
  margin-top: 12px;
}

.page-home .ledger-side {
  padding: var(--ph-pad);
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .ledger-side__title {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .ledger-side__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .ledger-side__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-home .ledger-side__list li {
  padding: 10px 12px;
  background: var(--graphite);
  font-size: 13px;
  color: var(--crease);
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.page-home .ledger-side__list .mono {
  color: var(--cyan);
  font-size: 12px;
}

.page-home .ledger-media {
  margin: auto 0 0;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .ledger-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.06);
}

.page-home .ledger-media figcaption {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--muted);
  background: var(--graphite);
}

/* ---------- 两条动线 ---------- */
.page-home .flow-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
}

.page-home .flow-col {
  padding: var(--ph-pad);
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-home .flow-col--alt {
  background: var(--graphite);
}

.page-home .flow-title {
  margin: 8px 0 18px;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .flow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-home .flow-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ink-deep);
  transition: background 150ms var(--ease);
}

.page-home .flow-col--alt .flow-step {
  background: #142622;
}

.page-home .flow-step:hover {
  background: var(--cyan-soft);
}

.page-home .flow-step__no {
  font-size: 13px;
  color: var(--cyan);
  padding-top: 2px;
}

.page-home .flow-step strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 4px;
}

.page-home .flow-step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .flow-media {
  margin: 16px 0 0;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .flow-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.05);
}

.page-home .flow-media figcaption {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--muted);
  background: #10201c;
}

/* ---------- 能力条 ---------- */
.page-home .cap-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
  align-items: start;
}

.page-home .cap-media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .cap-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.45) contrast(1.08);
}

.page-home .cap-media figcaption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--muted);
  background: var(--graphite);
}

.page-home .cap-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .cap-item {
  padding: 18px 20px;
  background: var(--ink-deep);
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 4px 10px;
}

.page-home .cap-item__n {
  font-size: clamp(26px, 3.4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
  line-height: 1;
}

.page-home .cap-item__u {
  font-size: 13px;
  color: var(--cyan);
}

.page-home .cap-item p {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 入口问答 ---------- */
.page-home .qa-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
}

.page-home .qa-list {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .qa-item {
  background: var(--ink-deep);
  padding: 16px 18px;
}

.page-home .qa-item summary {
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.page-home .qa-item summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  width: 16px;
  flex: none;
}

.page-home .qa-item[open] summary::before {
  content: "−";
}

.page-home .qa-item p {
  margin: 10px 0 0 26px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .qa-side {
  padding: var(--ph-pad);
  background: var(--cyan-soft);
  border: 1px solid rgba(43, 240, 200, 0.34);
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-home .qa-side .idx {
  color: var(--cyan);
}

.page-home .qa-side__title {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  color: var(--paper);
}

.page-home .qa-side__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--crease);
}

.page-home .qa-side__mail {
  margin: 0;
  font-size: 14px;
  color: var(--cyan);
  word-break: break-all;
}

.page-home .qa-side__more {
  margin: 4px 0 0;
}

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-home .hero-duo {
    grid-template-columns: minmax(260px, 3fr) 9fr;
  }

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

  .page-home .ledger-split {
    grid-template-columns: 8fr 4fr;
  }

  .page-home .flow-split {
    grid-template-columns: 6fr 6fr;
  }

  .page-home .cap-split {
    grid-template-columns: 4fr 8fr;
  }

  .page-home .qa-split {
    grid-template-columns: 8fr 4fr;
  }
}

@media (min-width: 1280px) {
  .page-home .index-card h3 {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .live-row,
  .page-home .index-card,
  .page-home .flow-step {
    transition: none;
  }
}
</main>