/* ============================================================
   首页 · page-home
   ============================================================ */

.page-home {
  --ph-band-pad: clamp(44px, 8vw, 92px);
  --ph-hair: rgba(31, 58, 86, 0.55);
  --ph-hair-soft: rgba(31, 58, 86, 0.18);
}

/* ---------- 首屏 ---------- */
.page-home__hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--zl-header-h) + clamp(26px, 5vw, 58px));
  padding-bottom: clamp(36px, 6vw, 72px);
  background:
    radial-gradient(130% 100% at 92% -12%, rgba(61, 90, 115, 0.42), transparent 62%),
    var(--zl-ink);
}

.page-home__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(138, 154, 163, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 154, 163, 0.075) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 88%);
  mask-image: linear-gradient(180deg, #000, transparent 88%);
}

.page-home__hero > .zl-container {
  position: relative;
  z-index: 1;
}

.page-home__hero-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-home__hero-copy .zl-title {
  margin: 10px 0 16px;
  font-family: var(--zl-font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--zl-paper);
}

.page-home__hero-copy .zl-lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.85;
  color: var(--zl-slate);
}

.page-home__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

.page-home__hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--zl-line);
  border-radius: var(--zl-radius);
  background: linear-gradient(180deg, rgba(22, 40, 60, 0.92), rgba(14, 27, 42, 0.98));
  box-shadow: var(--zl-shadow);
  overflow: hidden;
}

.page-home__hero-figure::after {
  content: "V9 · 现行";
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--zl-red);
  color: #fff;
  font-family: var(--zl-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-home__hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home__hero-figure figcaption {
  padding: 10px 16px 12px;
  border-top: 1px solid var(--zl-line);
  font-family: var(--zl-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--zl-slate);
}

/* ---------- 首屏下方：章节轴 + 六栏索引 ---------- */
.page-home__index-wrap {
  margin-top: clamp(32px, 5vw, 60px);
  padding-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--zl-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.page-home__axis {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-home__axis .zl-axis__head {
  flex: 0 0 auto;
  align-self: center;
  margin: 0 6px 0 0;
  font-family: var(--zl-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--zl-slate);
  white-space: nowrap;
}

.page-home__axis .zl-axis__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--zl-line);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--zl-slate);
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--zl-ease), border-color 160ms var(--zl-ease), background 160ms var(--zl-ease);
}

.page-home__axis .zl-axis__item:hover,
.page-home__axis .zl-axis__item:focus-visible {
  color: var(--zl-paper);
  border-color: var(--zl-amber);
}

.page-home__axis .zl-axis__item[aria-current="true"] {
  color: var(--zl-paper);
  border-color: var(--zl-red);
  background: rgba(192, 57, 43, 0.14);
}

.page-home__axis .zl-axis__num {
  font-family: var(--zl-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--zl-amber);
}

.page-home__index-title {
  margin: 0 0 18px;
  font-family: var(--zl-font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--zl-paper);
}

.page-home__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home__cards .zl-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 16px;
  border: 1px solid var(--zl-line);
  border-radius: var(--zl-radius);
  background: linear-gradient(180deg, rgba(22, 40, 60, 0.85), rgba(14, 27, 42, 0.9));
  transition: border-color 180ms var(--zl-ease), transform 180ms var(--zl-ease);
}

.page-home__cards .zl-card:hover,
.page-home__cards .zl-card:focus-within {
  border-color: var(--zl-amber);
  transform: translateY(-3px);
}

.page-home__cards .zl-card__num {
  font-family: var(--zl-font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--zl-red);
}

.page-home__cards .zl-card__title {
  margin: 0;
  font-family: var(--zl-font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
}

.page-home__cards .zl-card__title a {
  color: var(--zl-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--zl-ease), border-color 160ms var(--zl-ease);
}

.page-home__cards .zl-card__title a:hover {
  color: var(--zl-amber);
  border-bottom-color: var(--zl-amber);
}

.page-home__cards .zl-card__title a:focus-visible {
  outline: 2px solid var(--zl-amber);
  outline-offset: 3px;
}

.page-home__cards .zl-card__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--zl-slate);
}

/* ---------- 章节通用 ---------- */
.page-home__chapter {
  padding-block: var(--ph-band-pad);
}

.page-home__chapter--paper {
  background: var(--zl-paper);
  color: var(--zl-ink);
}

.page-home__chapter-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-home__chapter-title {
  margin: 10px 0 14px;
  font-family: var(--zl-font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.375rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--zl-paper);
}

.page-home__chapter-lead {
  margin: 0;
  max-width: 58ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--zl-slate);
}

.page-home .zl-band--tint .page-home__chapter-lead,
.page-home__chapter--paper .page-home__chapter-lead {
  color: var(--zl-slate-2);
}

.page-home__chapter--paper .page-home__chapter-title {
  color: var(--zl-ink);
}

.page-home__chapter--paper .zl-eyebrow {
  color: var(--zl-red);
}

.page-home__chapter--paper .page-home__facts li {
  color: var(--zl-slate-2);
}

.page-home__chapter--paper .page-home__facts strong {
  color: var(--zl-ink);
}

/* ---------- 双栏骨架 ---------- */
.page-home__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.page-home__stack {
  min-width: 0;
}

/* ---------- 图片容器 ---------- */
.page-home__figure {
  margin: 0;
  border: 1px solid var(--zl-line);
  border-radius: var(--zl-radius);
  overflow: hidden;
  background: var(--zl-ink-2);
}

.page-home__chapter--paper .page-home__figure {
  border-color: rgba(31, 58, 86, 0.24);
}

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

.page-home__figure figcaption {
  padding: 10px 16px 12px;
  border-top: 1px solid var(--zl-line);
  font-family: var(--zl-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--zl-slate);
  background: rgba(14, 27, 42, 0.72);
}

/* ---------- 第 01 章：步骤条 ---------- */
.page-home__steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-home__steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 4px;
}

.page-home__step-num {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border: 1px solid rgba(192, 57, 43, 0.45);
  border-radius: var(--zl-radius-sm);
  font-family: var(--zl-font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--zl-red);
}

.page-home__steps h3 {
  margin: 0;
  font-family: var(--zl-font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.42;
  color: var(--zl-paper);
}

.page-home__steps p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--zl-slate);
}

/* ---------- 第 02 章：两条版本线 ---------- */
.page-home__lanes {
  display: grid;
  gap: 16px;
}

.page-home__lane {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  border: 1px solid var(--ph-hair-soft);
  border-left: 3px solid var(--zl-line);
  border-radius: var(--zl-radius);
  background: var(--zl-paper-2);
}

.page-home__lane--current {
  border-left-color: var(--zl-red);
  box-shadow: 0 8px 20px rgba(14, 27, 42, 0.09);
}

.page-home__lane h3 {
  margin: 0;
  font-family: var(--zl-font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--zl-ink);
}

.page-home__lane p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--zl-slate-2);
}

.page-home__lane .zl-tag {
  align-self: flex-start;
}

.page-home__lane-link {
  align-self: flex-start;
  margin-top: 2px;
  font-family: var(--zl-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--zl-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(192, 57, 43, 0.45);
  padding-bottom: 2px;
}

.page-home__lane-link:hover {
  border-bottom-color: var(--zl-red);
}

.page-home__lane-link:focus-visible {
  outline: 2px solid var(--zl-red);
  outline-offset: 3px;
}

/* ---------- 第 03 章：12 类场景矩阵 ---------- */
.page-home__matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-home__cell {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 108px;
  padding: 14px 14px 12px;
  border: 1px solid var(--zl-line);
  border-radius: var(--zl-radius-sm);
  background: linear-gradient(180deg, rgba(22, 40, 60, 0.72), rgba(14, 27, 42, 0.72));
  transition: border-color 180ms var(--zl-ease);
}

.page-home__cell:hover {
  border-color: rgba(224, 166, 75, 0.55);
}

.page-home__cell-num {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--zl-red);
}

.page-home__cell-name {
  margin: 0;
  font-family: var(--zl-font-display);
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--zl-paper);
}

.page-home__cell-mode {
  margin-top: auto;
  align-self: flex-start;
  padding: 2px 9px;
  border: 1px solid rgba(224, 166, 75, 0.42);
  border-radius: 999px;
  font-family: var(--zl-font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--zl-amber);
}

.page-home__cell-mode--mobile {
  background: rgba(224, 166, 75, 0.16);
  border-color: rgba(224, 166, 75, 0.7);
}

/* ---------- 第 04 章：个人记录 ---------- */
.page-home__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home__facts li {
  padding-left: 16px;
  border-left: 2px solid var(--zl-amber);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--zl-slate);
}

.page-home__facts strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--zl-font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--zl-paper);
}

/* ---------- 数字条 ---------- */
.page-home__figures {
  padding-block: clamp(28px, 4vw, 44px);
  background: var(--zl-ink);
  border-top: 1px solid var(--zl-line);
  border-bottom: 1px solid var(--zl-line);
}

.page-home__figure-list {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
}

.page-home__stat dt {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--zl-slate);
}

.page-home__stat dd {
  margin: 6px 0 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--zl-amber);
}

.page-home__figures-note {
  margin: 22px 0 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--zl-slate);
}

/* ---------- 第 05 章：三条走法 ---------- */
.page-home__paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home__path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 1px solid var(--ph-hair-soft);
  border-top: 3px solid var(--zl-red);
  border-radius: var(--zl-radius);
  background: var(--zl-paper-2);
}

.page-home__path-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--zl-red);
}

.page-home__path h3 {
  margin: 0;
  font-family: var(--zl-font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.42;
  color: var(--zl-ink);
}

.page-home__path p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--zl-slate-2);
}

.page-home__path .zl-btn {
  margin-top: auto;
  align-self: flex-start;
  text-decoration: none;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-home__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home__hero-top {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-home__index-wrap {
    grid-template-columns: 170px minmax(0, 1fr);
    align-items: start;
  }

  .page-home__axis {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home__axis .zl-axis__head {
    margin: 0 0 8px;
  }

  .page-home__axis .zl-axis__item {
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--zl-radius-sm);
  }

  .page-home__split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

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

@media (min-width: 1024px) {
  .page-home__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-home__cards > :nth-child(3n + 2) {
    margin-top: 16px;
  }

  .page-home__figure {
    border-radius: var(--zl-radius);
  }
}

@media (min-width: 1180px) {
  .page-home__hero-figure {
    transform: rotate(-0.6deg);
  }

  .page-home__figure {
    transform: rotate(0.4deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home__cards .zl-card,
  .page-home__cell,
  .page-home__axis .zl-axis__item,
  .page-home__hero-figure,
  .page-home__figure {
    transition: none;
    transform: none;
  }
}
</PAGE_CSS>>>