.page-home {
  --home-gap: clamp(0.9rem, 2.2vw, 1.4rem);
  --home-line: rgba(201, 164, 92, 0.24);
  --home-section-pad: clamp(2.4rem, 6vw, 4.6rem);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-home p {
  margin: 0;
}

.page-home figure {
  margin: 0;
}

.page-home .media-frame {
  overflow: hidden;
}

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

.page-home figcaption {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--moss);
}

/* ---------- 首屏：主题声明 + 章节锚点长条 ---------- */
.page-home .home-open {
  position: relative;
  padding-block: clamp(1.6rem, 4vw, 2.6rem) 0;
  border-bottom: var(--frame) solid var(--line);
  background:
    radial-gradient(130% 100% at 0% 0%, rgba(61, 224, 208, 0.18) 0%, rgba(11, 43, 38, 0) 58%),
    radial-gradient(100% 80% at 100% 8%, rgba(201, 164, 92, 0.17) 0%, rgba(11, 43, 38, 0) 62%),
    var(--ink);
}

.page-home .home-open h1 {
  margin: 0.55rem 0 0;
  max-width: 13em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.2vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-home .home-open .lede {
  margin-top: 1.15rem;
  max-width: 35rem;
  font-size: clamp(0.98rem, 2.3vw, 1.08rem);
  line-height: 1.85;
  color: rgba(244, 239, 227, 0.86);
}

.page-home .home-open-note {
  margin-top: 1.1rem;
  padding-left: 0.9rem;
  max-width: 33rem;
  border-left: 3px solid var(--orange);
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(244, 239, 227, 0.82);
}

.page-home .home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-home .home-jump {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(1.7rem, 4vw, 2.6rem);
  border-top: 1px solid var(--home-line);
  border-left: 1px solid var(--home-line);
}

.page-home .home-jump a {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.8rem 0.85rem 0.85rem;
  border-right: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .home-jump a:hover,
.page-home .home-jump a:focus-visible {
  background: rgba(61, 224, 208, 0.14);
  color: var(--cyan);
}

.page-home .jump-num {
  font-size: 0.7rem;
  color: var(--gold);
}

/* ---------- 章节通用 ---------- */
.page-home .home-section {
  padding-block: var(--home-section-pad);
  border-bottom: var(--frame) solid var(--line);
}

.page-home .home-section--band {
  background: var(--ink-2);
}

.page-home .home-section--start {
  background:
    radial-gradient(90% 120% at 10% 100%, rgba(61, 224, 208, 0.13) 0%, rgba(11, 43, 38, 0) 62%),
    radial-gradient(85% 110% at 90% 0%, rgba(240, 138, 60, 0.12) 0%, rgba(11, 43, 38, 0) 60%),
    var(--ink);
}

.page-home .home-sec-head {
  display: grid;
  gap: 0.7rem;
  margin-bottom: clamp(1.4rem, 3.4vw, 2.3rem);
}

.page-home .home-sec-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .home-section h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.2vw, 2.35rem);
  line-height: 1.16;
  color: var(--paper);
}

.page-home .home-sec-head p:not(.home-sec-num) {
  max-width: 42rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(244, 239, 227, 0.8);
}

.page-home .home-cta-line {
  margin-top: 1.3rem;
}

/* ---------- 目录墙 ---------- */
.page-home .home-wall-grid {
  display: grid;
  gap: clamp(1.3rem, 3.5vw, 2.2rem);
}

.page-home .home-wall {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .wall-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.1rem 1.1rem 1.2rem;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-left: 4px solid var(--gold);
  box-shadow: var(--shadow-deep);
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-left-color 0.2s var(--ease);
}

.page-home .wall-card:hover,
.page-home .wall-card:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(16, 23, 20, 0.6);
  border-left-color: var(--cyan);
}

.page-home .wall-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .wall-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.16rem;
  line-height: 1.28;
  color: var(--paper);
}

.page-home .wall-card p {
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(244, 239, 227, 0.78);
}

.page-home .wall-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 0.45rem;
}

.page-home .wall-card .tag {
  padding: 0.18rem 0.45rem;
  border: 1px solid rgba(201, 164, 92, 0.42);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--mint);
}

/* ---------- 入口时间与版本状态 ---------- */
.page-home .home-status-grid {
  display: grid;
  gap: clamp(1.3rem, 3.5vw, 2.2rem);
}

.page-home .status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-home .status-item {
  padding: 0.95rem 1.05rem 1.05rem;
  background: var(--ink);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-deep);
}

.page-home .status-tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}

.page-home .status-item--cyan .status-tag {
  background: var(--cyan);
}

.page-home .status-item--orange .status-tag {
  background: var(--orange);
}

.page-home .status-item--gold .status-tag {
  background: var(--gold);
}

.page-home .status-item p {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 239, 227, 0.8);
}

.page-home .home-folds {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.5rem;
}

.page-home .fold {
  border: 1px solid var(--home-line);
  background: rgba(11, 43, 38, 0.62);
}

.page-home .fold summary {
  padding: 0.8rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--paper);
  cursor: pointer;
}

.page-home .fold-body {
  padding: 0 0.95rem 0.9rem;
}

.page-home .fold-body p {
  font-size: 0.89rem;
  line-height: 1.8;
  color: rgba(244, 239, 227, 0.78);
}

/* ---------- 注册专栏 ---------- */
.page-home .home-column-grid,
.page-home .home-mobile-grid {
  display: grid;
  gap: clamp(1.3rem, 4vw, 2.5rem);
}

.page-home .home-column-copy h2,
.page-home .home-mobile-copy h2 {
  margin-top: 0.55rem;
}

.page-home .home-column-copy > p:not(.home-sec-num):not(.home-cta-line),
.page-home .home-mobile-copy > p:not(.home-sec-num):not(.home-cta-line) {
  margin-top: 0.9rem;
  font-size: 0.97rem;
  line-height: 1.85;
  color: rgba(244, 239, 227, 0.82);
}

.page-home .column-tags {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.page-home .column-tags li {
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--home-line);
  background: rgba(220, 235, 230, 0.06);
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.05em;
  color: var(--mint);
}

/* ---------- 移动端清单 ---------- */
.page-home .mobile-steps {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-home .mobile-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--cyan);
  background: rgba(61, 224, 208, 0.07);
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(244, 239, 227, 0.86);
}

.page-home .step-k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 起步三步 ---------- */
.page-home .start-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--home-gap);
}

.page-home .start-steps li {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.25rem 1.1rem 1.3rem;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-top: 4px solid var(--gold);
  box-shadow: var(--shadow-deep);
}

.page-home .start-num {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  letter-spacing: 0.06em;
  color: var(--gold-deep);
}

.page-home .start-steps h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .start-steps p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 239, 227, 0.8);
}

.page-home .start-link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 224, 208, 0.45);
  padding-bottom: 0.15rem;
  align-self: flex-start;
}

.page-home .start-link:hover,
.page-home .start-link:focus-visible {
  color: var(--orange);
  border-bottom-color: rgba(240, 138, 60, 0.6);
}

.page-home .home-start-contact {
  margin-top: clamp(1.5rem, 4vw, 2.3rem);
  padding: 1.15rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  border: 2px solid rgba(201, 164, 92, 0.42);
  background: rgba(11, 43, 38, 0.55);
  box-shadow: var(--shadow-deep);
}

.page-home .home-start-contact p {
  max-width: 34rem;
  font-size: 0.93rem;
  line-height: 1.75;
  color: rgba(244, 239, 227, 0.84);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .home-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .wall-card:nth-child(1),
  .page-home .wall-card:nth-child(4),
  .page-home .wall-card:nth-child(7) {
    grid-column: span 2;
  }
}

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

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

@media (min-width: 900px) {
  .page-home .home-column-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-home .home-mobile-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: center;
  }

  .page-home .home-status-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

@media (min-width: 1040px) {
  .page-home .home-jump {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .home-wall-grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.58fr);
    align-items: start;
  }

  .page-home .home-wall-visual {
    position: sticky;
    top: 5.5rem;
  }

  .page-home .home-open h1 {
    max-width: 11em;
  }
}