.page-home {
  --hm-line: var(--b10-line-500);
  --hm-grid: rgba(47, 224, 240, 0.06);
  padding: 28px 18px 96px;
  background-image:
    repeating-linear-gradient(90deg, var(--hm-grid) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, var(--hm-grid) 0 1px, transparent 1px 64px);
}

.page-home .hm-wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
}

.page-home .hm-topline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--b10-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--b10-mist-400);
}

.page-home .hm-topline__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--b10-mint-400);
  animation: hm-pulse 2.6s infinite;
}

@keyframes hm-pulse {
  0% { box-shadow: 0 0 0 0 rgba(62, 213, 152, 0.45); }
  70% { box-shadow: 0 0 0 8px rgba(62, 213, 152, 0); }
  100% { box-shadow: 0 0 0 0 rgba(62, 213, 152, 0); }
}

/* ---------- 首屏拼贴 ---------- */

.page-home .hm-collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .hm-tile {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  background: var(--b10-abyss-800);
  border: 1px solid var(--hm-line);
  transition: border-color 0.26s var(--b10-ease), transform 0.26s var(--b10-ease);
}

.page-home .hm-tile:hover,
.page-home .hm-tile:focus-within {
  border-color: var(--b10-gold-500);
}

.page-home .hm-tile__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--b10-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--b10-cyan-400);
}

.page-home .hm-tile__rule {
  flex: 1 1 auto;
  height: 1px;
  background: var(--hm-line);
}

.page-home .hm-hero__title {
  margin: 4px 0 0;
  font-size: clamp(34px, 8.6vw, 66px);
  font-weight: 200;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--b10-paper-100);
}

.page-home .hm-hero__title strong {
  font-weight: 700;
  color: var(--b10-gold-300);
}

.page-home .hm-hero__lead {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--b10-mist-400);
}

.page-home .hm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.page-home .hm-hero__figure {
  margin: 8px 0 0;
}

.page-home .b10-figure__media {
  overflow: hidden;
  border: 1px solid var(--hm-line);
  background-color: var(--b10-trench-600);
}

.page-home .b10-figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .hm-hero__figure .b10-figure__media {
  aspect-ratio: 16 / 10;
}

.page-home .hm-statuslist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .hm-statuslist li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--b10-paper-100);
}

.page-home .hm-statuslist__num {
  margin-left: auto;
  font-size: 13px;
  color: var(--b10-mist-400);
}

.page-home .hm-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-home .hm-dot--mint { background: var(--b10-mint-400); }
.page-home .hm-dot--cyan { background: var(--b10-cyan-400); }

.page-home .hm-tile__big {
  margin: 0;
  font-size: clamp(26px, 5.4vw, 34px);
  letter-spacing: 0.02em;
  color: var(--b10-gold-500);
}

.page-home .hm-tile__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--b10-mist-400);
}

.page-home .hm-cardlink {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--b10-cyan-400);
  border-bottom: 1px solid transparent;
  transition: border-color 0.26s var(--b10-ease), color 0.26s var(--b10-ease);
}

.page-home .hm-cardlink:hover,
.page-home .hm-cardlink:focus-visible {
  color: var(--b10-gold-300);
  border-bottom-color: var(--b10-gold-500);
}

/* ---------- 编号章节 ---------- */

.page-home .hm-chapter {
  margin-top: 84px;
  padding-top: 26px;
  border-top: 1px solid var(--hm-line);
}

.page-home .hm-chapter__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-bottom: 26px;
}

.page-home .hm-chapter__num {
  font-size: clamp(64px, 17vw, 140px);
  font-weight: 200;
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: var(--b10-trench-600);
}

.page-home .hm-chapter__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .hm-chapter__title {
  margin: 0;
  max-width: 24ch;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--b10-paper-100);
}

.page-home .hm-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.page-home .hm-split__body p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--b10-mist-400);
}

.page-home .hm-ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .hm-ticks li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--b10-paper-100);
}

.page-home .hm-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--b10-cyan-400);
}

.page-home .hm-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
}

.page-home .hm-textlink {
  font-size: 14px;
  color: var(--b10-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--hm-line);
  padding-bottom: 2px;
  transition: color 0.26s var(--b10-ease), border-color 0.26s var(--b10-ease);
}

.page-home .hm-textlink:hover,
.page-home .hm-textlink:focus-visible {
  color: var(--b10-gold-300);
  border-bottom-color: var(--b10-gold-500);
}

.page-home .hm-flow-figure {
  margin: 0 0 22px;
}

.page-home .hm-flow-figure .b10-figure__media {
  aspect-ratio: 2 / 1;
}

/* ---------- 四步流程 ---------- */

.page-home .hm-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-home .hm-step {
  background: var(--b10-abyss-800);
  border: 1px solid var(--hm-line);
  border-left: 2px solid var(--b10-cyan-400);
  transition: border-color 0.26s var(--b10-ease);
}

.page-home .hm-step:hover,
.page-home .hm-step:focus-within {
  border-left-color: var(--b10-gold-500);
}

.page-home .hm-step summary {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-home .hm-step__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--b10-gold-500);
}

.page-home .hm-step__name {
  font-size: 16px;
  color: var(--b10-paper-100);
}

.page-home .hm-step__hint {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--b10-mist-400);
}

.page-home .hm-step details[open] summary {
  border-bottom: 1px solid var(--hm-line);
}

.page-home .hm-step__body {
  padding: 14px 16px 18px;
}

.page-home .hm-step__body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--b10-mist-400);
}

.page-home .hm-chapter__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--b10-mist-400);
}

/* ---------- 进度卡片 ---------- */

.page-home .hm-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .hm-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(20, 57, 92, 0.45), transparent 72%),
    var(--b10-abyss-800);
  border: 1px solid var(--hm-line);
}

.page-home .hm-card__num {
  margin: 0;
  font-size: clamp(36px, 7vw, 54px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--b10-paper-100);
}

.page-home .hm-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--b10-mist-400);
}

/* ---------- 联系区 ---------- */

.page-home .hm-split--rev .b10-figure {
  margin: 0;
}

.page-home .hm-split--rev .b10-figure__media {
  aspect-ratio: 4 / 3;
}

.page-home .hm-cta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 88px;
  padding: 28px 22px;
  border: 1px solid var(--hm-line);
  background:
    radial-gradient(120% 160% at 85% 12%, rgba(245, 130, 43, 0.2), transparent 60%),
    var(--b10-abyss-800);
}

.page-home .hm-cta__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 300;
  line-height: 1.25;
  color: var(--b10-paper-100);
}

.page-home .hm-cta__text {
  margin: 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--b10-mist-400);
}

.page-home .hm-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home {
    padding: 36px 28px 110px;
  }

  .page-home .hm-collage {
    gap: 16px;
  }

  .page-home .hm-cards {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .hm-steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-home {
    padding: 48px 40px 130px;
  }

  .page-home .hm-collage {
    grid-template-columns: 1.6fr 1fr 1fr;
    grid-template-rows: auto auto;
  }

  .page-home .hm-tile--main {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding: 26px;
  }

  .page-home .hm-tile--a {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .hm-tile--b {
    grid-column: 3;
    grid-row: 1;
  }

  .page-home .hm-tile--c {
    grid-column: 2 / span 2;
    grid-row: 2;
  }

  .page-home .hm-chapter {
    margin-top: 112px;
    padding-top: 34px;
  }

  .page-home .hm-chapter__head {
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 24px;
    margin-bottom: 34px;
  }

  .page-home .hm-chapter__meta {
    align-items: flex-end;
    text-align: right;
  }

  .page-home .hm-split {
    grid-template-columns: 1fr 1fr;
    gap: 44px;
  }

  .page-home .hm-split--rev {
    grid-template-columns: 1.15fr 1fr;
  }

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

  .page-home .hm-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 34px 32px;
  }
}

@media (min-width: 1200px) {
  .page-home .hm-chapter {
    margin-top: 130px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hm-topline__dot {
    animation: none;
  }

  .page-home .hm-tile,
  .page-home .hm-cardlink,
  .page-home .hm-textlink,
  .page-home .hm-step {
    transition: none;
  }
}