.page-home {
  --home-radius: 12px;
  --home-line: rgba(26, 26, 46, 0.12);
  overflow-x: clip;
  background: var(--paper);
  color: var(--char);
}

.page-home .container {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-home .home-chapter {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-home .home-chapter .chapter-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--red);
  opacity: 0.85;
  line-height: 1;
}

.page-home .home-chapter .chapter-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 26px);
  padding-bottom: 44px;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(212, 160, 23, 0.16), transparent 58%),
    linear-gradient(168deg, var(--paper) 0%, var(--paper) 62%, var(--mist) 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--home-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-line) 1px, transparent 1px);
  background-size: 84px 84px;
  opacity: 0.5;
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 70%, transparent 100%);
}

.page-home .home-hero__inner {
  position: relative;
  display: grid;
  gap: 34px;
}

.page-home .home-hero__lead .breadcrumb {
  margin-bottom: 18px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--char);
}

.page-home .home-hero__eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  background: var(--red);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-home .home-hero__title {
  margin: 0 0 18px;
  font-size: 34px;
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 15em;
}

.page-home .home-hero__title::after {
  content: "";
  display: block;
  width: 68px;
  height: 6px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--red) 0%, var(--gold) 100%);
  transform: skewX(-24deg);
}

.page-home .home-hero__lede {
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--char);
  max-width: 34em;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.page-home .home-pin {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  border-radius: 0 var(--home-radius) var(--home-radius) 0;
  border-left: 6px solid var(--red);
  box-shadow: 0 10px 26px rgba(26, 26, 46, 0.18);
  transition: transform var(--speed) ease, box-shadow var(--speed) ease, background var(--speed) ease;
}

.page-home .home-pin:hover,
.page-home .home-pin:focus-visible {
  transform: translateX(6px);
  background: var(--red-deep);
  box-shadow: 0 14px 32px rgba(138, 11, 30, 0.32);
}

.page-home .home-pin__index {
  flex: none;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--gold);
  border-radius: 3px;
}

.page-home .home-pin__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-home .home-pin__label {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-home .home-pin__hint {
  font-size: 13px;
  color: rgba(245, 241, 232, 0.78);
}

.page-home .home-pin__arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
}

/* 右侧悬浮卡群 */
.page-home .home-hero__stage {
  position: relative;
  padding: 18px 0 0;
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  border-radius: var(--home-radius);
  z-index: 0;
}

.page-home .home-stack {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .home-tile {
  position: relative;
  display: block;
  padding: 16px 18px 20px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--home-line);
  border-left: 5px solid var(--red);
  border-radius: var(--home-radius);
  text-decoration: none;
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(26, 26, 46, 0.08);
  transition: transform var(--speed) ease, box-shadow var(--speed) ease;
}

.page-home .home-tile--book { border-left-color: var(--jade); }
.page-home .home-tile--compare { border-left-color: var(--gold); }

.page-home .home-tile:hover,
.page-home .home-tile:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(26, 26, 46, 0.16);
}

.page-home .home-tile__kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--red);
  margin-bottom: 6px;
}

.page-home .home-tile--book .home-tile__kicker { color: var(--jade-deep); }
.page-home .home-tile--compare .home-tile__kicker { color: var(--gold); }

.page-home .home-tile__title {
  display: block;
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 6px;
}

.page-home .home-tile__desc {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--char);
}

.page-home .home-tile__float {
  display: block;
  margin-top: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  background: rgba(26, 26, 46, 0.92);
  border-radius: 8px;
  padding: 0 12px;
  transition: max-height var(--speed) ease, opacity var(--speed) ease, margin-top var(--speed) ease, padding var(--speed) ease;
}

.page-home .home-tile:hover .home-tile__float,
.page-home .home-tile:focus-visible .home-tile__float {
  max-height: 90px;
  opacity: 1;
  margin-top: 12px;
  padding: 10px 12px;
}

.page-home .home-hero__note {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 通用章节留白 ---------- */
.page-home .section {
  padding-block: 56px;
}

/* ---------- 01 第一栏 ---------- */
.page-home .home-first {
  background: var(--paper);
}

.page-home .home-first__grid {
  display: grid;
  gap: 28px;
}

.page-home .home-first__text p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
}

.page-home .home-first__text .lede {
  font-size: 19px;
  line-height: 1.7;
  font-weight: 700;
  color: var(--ink);
}

.page-home .home-checks {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .home-checks li {
  position: relative;
  padding: 10px 14px 10px 34px;
  background: var(--mist);
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

.page-home .home-checks li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 17px;
  width: 8px;
  height: 8px;
  background: var(--red);
  transform: rotate(45deg);
}

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

.page-home .home-first__figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--home-radius);
  object-fit: cover;
}

.page-home .home-first__figure .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--char);
}

/* ---------- 02 三条路 ---------- */
.page-home .home-paths {
  background: var(--mist);
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-paths__lead {
  margin: 0 0 24px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
}

.page-home .home-paths__grid {
  display: grid;
  gap: 16px;
}

.page-home .home-path {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--paper);
  border: 1px solid var(--home-line);
  border-radius: var(--home-radius);
  border-top: 4px solid var(--red);
}

.page-home .home-path:nth-child(2) { border-top-color: var(--jade); }
.page-home .home-path:nth-child(3) { border-top-color: var(--gold); }

.page-home .home-path__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--red-soft);
  border-radius: 3px;
}

.page-home .home-path:nth-child(2) .home-path__tag {
  background: rgba(46, 139, 87, 0.16);
  color: var(--jade-deep);
}

.page-home .home-path:nth-child(3) .home-path__tag {
  background: rgba(212, 160, 23, 0.22);
  color: var(--ink);
}

.page-home .home-path h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--ink);
}

.page-home .home-path p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
}

.page-home .home-path__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
  border-bottom: 2px solid var(--red);
  padding-bottom: 2px;
}

.page-home .home-path__link:hover,
.page-home .home-path__link:focus-visible {
  color: var(--red-deep);
  border-bottom-color: var(--red-deep);
}

.page-home .home-paths__figure {
  margin: 28px 0 0;
}

.page-home .home-paths__figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--home-radius);
  object-fit: cover;
  background: var(--paper);
}

.page-home .home-paths__figure .media-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--char);
}

.page-home .home-paths__foot {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(26, 26, 46, 0.25);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.01em;
  color: var(--ink);
}

/* ---------- 03 版本时间轴 ---------- */
.page-home .home-versions {
  background: var(--paper);
}

.page-home .home-versions__lead {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
}

.page-home .home-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .home-timeline__item {
  position: relative;
  padding: 22px 20px;
  background: #fff;
  border: 1px solid var(--home-line);
  border-radius: var(--home-radius);
  box-shadow: 0 6px 18px rgba(26, 26, 46, 0.06);
}

.page-home .home-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 4px;
  background: var(--gold);
}

.page-home .home-timeline__ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--gold);
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 12px;
}

.page-home .home-timeline__item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 800;
  color: var(--ink);
}

.page-home .home-timeline__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}

.page-home .home-versions__callout {
  margin-top: 26px;
  padding: 22px 20px;
  background: linear-gradient(120deg, rgba(200, 16, 46, 0.08), rgba(212, 160, 23, 0.14));
  border-left: 5px solid var(--red);
  border-radius: 0 var(--home-radius) var(--home-radius) 0;
}

.page-home .home-versions__callout p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 04 价格对照 ---------- */
.page-home .home-compare {
  background: var(--ink);
  color: var(--paper);
}

.page-home .home-compare .home-chapter .chapter-title { color: var(--paper); }
.page-home .home-compare .home-chapter .chapter-num { color: var(--gold); opacity: 1; }

.page-home .home-compare__lead {
  margin: 0 0 26px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.86);
}

.page-home .home-compare__cols {
  display: grid;
  gap: 14px;
}

.page-home .home-compare__col {
  padding: 22px 20px;
  border-radius: var(--home-radius);
}

.page-home .home-compare__col--jade {
  background: var(--jade);
  color: var(--paper);
}

.page-home .home-compare__col--gold {
  background: var(--gold);
  color: var(--ink);
}

.page-home .home-compare__tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: rgba(26, 26, 46, 0.85);
  color: var(--paper);
  border-radius: 3px;
}

.page-home .home-compare__col h3 {
  margin: 0 0 16px;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 800;
}

.page-home .home-compare__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-compare__list div {
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}

.page-home .home-compare__col--gold .home-compare__list div {
  border-bottom-color: rgba(26, 26, 46, 0.22);
}

.page-home .home-compare__list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  opacity: 0.78;
  margin-bottom: 4px;
}

.page-home .home-compare__list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
}

.page-home .home-compare__note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.72);
}

/* ---------- 05 收束 ---------- */
.page-home .home-next {
  position: relative;
  overflow: hidden;
  padding-block: 56px;
  background: var(--paper);
  border-top: 4px solid var(--ink);
}

.page-home .home-next__texture {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.14;
  z-index: 0;
  mask-image: radial-gradient(120% 100% at 100% 100%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 100% at 100% 100%, #000 0%, transparent 72%);
}

.page-home .home-next__inner {
  position: relative;
  z-index: 1;
}

.page-home .home-next__lead {
  margin: 0 0 26px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .home-next__links {
  display: grid;
  gap: 10px;
}

.page-home .home-next__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--home-line);
  border-radius: var(--home-radius);
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--speed) ease, background var(--speed) ease, border-color var(--speed) ease;
}

.page-home .home-next__link:hover,
.page-home .home-next__link:focus-visible {
  transform: translateX(6px);
  background: #fff;
  border-color: var(--red);
}

.page-home .home-next__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
}

.page-home .home-next__text {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.page-home .home-next__arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-home .home-hero__title { font-size: 44px; }
  .page-home .home-chapter .chapter-title { font-size: 28px; }
  .page-home .home-paths__grid { grid-template-columns: repeat(3, 1fr); }
  .page-home .home-compare__cols { grid-template-columns: 1fr 1fr; }
  .page-home .home-next__links { grid-template-columns: 1fr 1fr; }
  .page-home .home-stack { max-width: 460px; margin-left: auto; }
  .page-home .home-tile--book { margin-left: -18px; }
  .page-home .home-tile--compare { margin-left: -36px; }
}

@media (min-width: 960px) {
  .page-home .home-hero { padding-top: calc(var(--header-h) + 44px); padding-bottom: 64px; }
  .page-home .home-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
    gap: 40px;
  }
  .page-home .home-hero__title { font-size: 52px; }
  .page-home .home-first__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
    gap: 40px;
  }
  .page-home .home-first__text .lede { font-size: 21px; }
  .page-home .section { padding-block: 72px; }
  .page-home .home-chapter .chapter-title { font-size: 30px; }
  .page-home .home-chapter .chapter-num { font-size: 32px; }
  .page-home .home-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
  }
  .page-home .home-timeline__item:nth-child(2) { margin-top: 26px; }
  .page-home .home-timeline__item:nth-child(3) { margin-top: 52px; }
  .page-home .home-next { padding-block: 76px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-pin,
  .page-home .home-tile,
  .page-home .home-tile__float,
  .page-home .home-next__link {
    transition: none;
  }
  .page-home .home-pin:hover,
  .page-home .home-pin:focus-visible,
  .page-home .home-tile:hover,
  .page-home .home-tile:focus-visible,
  .page-home .home-next__link:hover,
  .page-home .home-next__link:focus-visible {
    transform: none;
  }
}