.page-home {
  --home-rule: rgba(200, 255, 61, 0.14);
  --home-rule-blue: rgba(63, 167, 184, 0.26);
  --home-rule-warm: rgba(255, 90, 54, 0.28);
  --home-gap: clamp(1.4rem, 3.5vw, 2.4rem);
  color: var(--paper-100);
}

/* ---------- 面包屑与上下文 ---------- */
.page-home .home-crumbs {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
  padding-top: clamp(1.6rem, 5vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
}

.page-home .home-crumbs__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-050);
  letter-spacing: 0.18em;
  color: var(--mist-500);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  padding-top: clamp(1.4rem, 4vw, 2.4rem);
  padding-bottom: clamp(2.4rem, 6vw, 4.5rem);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(118deg, rgba(15, 76, 92, 0.55), rgba(11, 31, 26, 0) 62%);
  z-index: -1;
  pointer-events: none;
}

.page-home .home-hero__intro {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-home .home-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-900);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper-050);
  max-width: 24ch;
  overflow-wrap: break-word;
}

.page-home .home-hero__lead {
  max-width: 48ch;
  margin: 0;
  font-size: var(--step-300);
  line-height: 1.85;
  color: var(--paper-200);
}

.page-home .home-hero__media {
  margin: 0;
}

.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--home-rule);
  border: 1px solid var(--home-rule);
}

.page-home .home-hero__stats .stat-card {
  background: var(--ink-900);
  padding: clamp(0.95rem, 2vw, 1.4rem);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.page-home .home-hero__stats .stat-card__num {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime-400);
}

.page-home .home-hero__stats .stat-card__label {
  font-size: var(--step-100);
  line-height: 1.5;
  color: var(--mist-300);
}

/* ---------- 章节索引 ---------- */
.page-home .home-index {
  border-top: 1px solid var(--home-rule);
  padding-top: 1.3rem;
}

.page-home .home-index__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--step-050);
  letter-spacing: 0.24em;
  color: var(--mist-500);
}

.page-home .home-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-index__item {
  border-bottom: 1px solid var(--home-rule);
}

.page-home .home-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "n label"
    ". meta";
  align-items: baseline;
  gap: 0.3rem 1rem;
  padding: 0.95rem 0.2rem;
  color: var(--paper-100);
  text-decoration: none;
  transition: background 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  background: rgba(200, 255, 61, 0.07);
  padding-left: 0.9rem;
}

.page-home .home-index__n {
  grid-area: n;
  font-family: var(--font-mono);
  font-size: var(--step-100);
  color: var(--lime-400);
}

.page-home .home-index__label {
  grid-area: label;
  font-size: var(--step-300);
  font-weight: 600;
  overflow-wrap: break-word;
}

.page-home .home-index__meta {
  grid-area: meta;
  font-size: var(--step-100);
  color: var(--mist-500);
}

/* ---------- 色带与章节骨架 ---------- */
.page-home .section-band.home-band {
  padding-block: 0;
  background-color: transparent;
  background-image: none;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-band--blue {
  background-image: linear-gradient(180deg, rgba(15, 76, 92, 0.42), rgba(11, 31, 26, 0) 68%);
  border-top-color: var(--home-rule-blue);
}

.page-home .home-band--warm {
  background-image:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 90, 54, 0.2), rgba(11, 31, 26, 0) 60%),
    linear-gradient(180deg, rgba(255, 90, 54, 0.06), rgba(11, 31, 26, 0) 70%);
  border-top-color: var(--home-rule-warm);
}

.page-home .home-chapter {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.page-home .home-chapter__head {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.page-home .home-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-700);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper-050);
  max-width: 26ch;
  overflow-wrap: break-word;
}

.page-home .home-chapter__lead {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-300);
  line-height: 1.85;
  color: var(--paper-200);
}

.page-home .home-vertical {
  display: none;
  margin: 0;
}

.page-home .home-chapter__grid > * + * {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
}

.page-home .home-chapter__main {
  min-width: 0;
}

.page-home .home-chapter__act {
  margin: 1.6rem 0 0;
}

/* ---------- 指标列表 ---------- */
.page-home .home-spec {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-spec > li {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-spec__k {
  font-family: var(--font-mono);
  font-size: var(--step-100);
  letter-spacing: 0.14em;
  color: var(--lime-400);
}

.page-home .home-spec__v {
  margin: 0;
  font-size: var(--step-200);
  line-height: 1.8;
  color: var(--paper-200);
}

.page-home .home-spec--warm > li {
  border-top-color: var(--home-rule-warm);
}

.page-home .home-spec--warm .home-spec__k {
  color: var(--orange-400);
}

/* ---------- 小标题与要点 ---------- */
.page-home .home-sub {
  margin: 0 0 1.1rem;
  font-size: var(--step-400);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-home .home-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-home .home-bullets li {
  position: relative;
  padding-left: 1.4rem;
  font-size: var(--step-200);
  line-height: 1.8;
  color: var(--paper-200);
}

.page-home .home-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.6rem;
  height: 2px;
  background: var(--lime-400);
}

/* ---------- 图片 ---------- */
.page-home .home-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.page-home .home-figure .media-frame__img,
.page-home .home-hero__media .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-figure .media-frame__caption,
.page-home .home-hero__media .media-frame__caption {
  margin-top: 0.6rem;
  font-size: var(--step-100);
  line-height: 1.6;
  color: var(--mist-500);
}

/* ---------- 使用人群 ---------- */
.page-home .home-audience {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.6rem);
}

.page-home .home-audience > li {
  display: grid;
  gap: 0.5rem;
  padding: clamp(1.1rem, 2.6vw, 1.7rem);
  border: 1px solid rgba(63, 167, 184, 0.22);
  border-radius: var(--radius-md);
  background-image: linear-gradient(160deg, rgba(23, 107, 125, 0.22), rgba(11, 31, 26, 0.08));
}

.page-home .home-audience__t {
  margin: 0;
  font-size: var(--step-400);
  font-weight: 700;
  color: var(--paper-050);
}

.page-home .home-audience__d {
  margin: 0;
  font-size: var(--step-200);
  line-height: 1.8;
  color: var(--paper-200);
}

/* ---------- 步骤与旁注 ---------- */
.page-home .home-steps {
  counter-reset: home-step;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-steps > li {
  counter-increment: home-step;
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 0.4rem 1rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-steps > li::before {
  content: counter(home-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--step-400);
  line-height: 1.25;
  color: var(--lime-400);
}

.page-home .home-steps__t {
  margin: 0 0 0.4rem;
  font-size: var(--step-300);
  font-weight: 700;
  color: var(--paper-050);
}

.page-home .home-steps__d {
  margin: 0;
  font-size: var(--step-200);
  line-height: 1.8;
  color: var(--paper-200);
}

.page-home .home-aside {
  align-self: start;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  border: 1px solid var(--home-rule);
  border-left: 3px solid var(--lime-400);
  border-radius: var(--radius-sm);
  background-image: linear-gradient(150deg, rgba(200, 255, 61, 0.07), rgba(11, 31, 26, 0));
}

.page-home .home-aside__t {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--step-100);
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.page-home .home-aside__d {
  margin: 0 0 1rem;
  font-size: var(--step-200);
  line-height: 1.8;
  color: var(--paper-200);
}

.page-home .home-aside__act {
  margin: 0;
}

.page-home .home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-home .home-index__link {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas: "n label meta";
    align-items: center;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .home-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    grid-template-areas:
      "intro media"
      "stats stats"
      "index index";
    align-items: end;
    column-gap: clamp(2rem, 5vw, 4rem);
    row-gap: clamp(2rem, 5vw, 3.4rem);
  }

  .page-home .home-hero__intro {
    grid-area: intro;
  }

  .page-home .home-hero__media {
    grid-area: media;
  }

  .page-home .home-hero__stats {
    grid-area: stats;
  }

  .page-home .home-index {
    grid-area: index;
  }

  .page-home .home-chapter__grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-home .home-chapter__grid--flip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .home-chapter__grid > * + * {
    margin-top: 0;
  }
}

@media (min-width: 1024px) {
  .page-home .home-audience {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .home-audience > li:nth-child(1) {
    grid-column: span 4;
  }

  .page-home .home-audience > li:nth-child(2) {
    grid-column: span 2;
  }

  .page-home .home-audience > li:nth-child(3) {
    grid-column: span 2;
  }

  .page-home .home-audience > li:nth-child(4) {
    grid-column: span 4;
  }
}

@media (min-width: 1100px) {
  .page-home .home-chapter__head {
    position: relative;
    padding-right: 4.5rem;
  }

  .page-home .home-vertical {
    display: block;
    position: absolute;
    right: 0.6rem;
    top: 0.4rem;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--font-mono);
    font-size: var(--step-050);
    letter-spacing: 0.3em;
    color: var(--lime-400);
  }
}

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