.page-home {
  --home-line-dark: rgba(15, 30, 25, 0.16);
  --home-line-light: rgba(246, 240, 227, 0.18);
  --home-text-on-dark: rgba(246, 240, 227, 0.8);
  background: var(--paper);
  color: var(--ink-night);
}

.page-home .eyebrow--light {
  color: var(--amber);
}

/* 面包屑 */
.page-home .crumb {
  background: var(--ink-night);
  border-bottom: 1px solid rgba(201, 154, 60, 0.28);
}

.page-home .crumb__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-home .crumb a {
  color: var(--slate);
  text-decoration: none;
}

.page-home .crumb a:hover {
  color: var(--amber);
}

.page-home .crumb__here {
  color: var(--paper);
}

.page-home .crumb__hint {
  margin-left: auto;
  color: rgba(143, 166, 160, 0.7);
}

/* 首屏 */
.page-home .hero {
  background: linear-gradient(175deg, var(--ink-night) 0%, var(--green-hall) 58%, var(--green-deep) 100%);
  color: var(--paper);
  padding: 36px 0 56px;
  overflow: hidden;
}

.page-home .hero__grid {
  display: grid;
  gap: 36px;
}

.page-home .hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 9.4vw, 5.2rem);
  line-height: 1.03;
  letter-spacing: -0.01em;
}

.page-home .hero__lede {
  margin: 22px 0 0;
  max-width: 44ch;
  color: var(--home-text-on-dark);
  font-size: 1rem;
  line-height: 1.8;
}

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

.page-home .hero__index {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--home-line-light);
}

.page-home .hero__index a {
  display: grid;
  grid-template-columns: 46px 1fr;
  grid-template-areas:
    "no label"
    "no meta";
  gap: 3px 14px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--home-line-light);
  text-decoration: none;
  color: var(--paper);
  transition: padding-left 0.24s var(--ease-drawer), background 0.24s var(--ease-drawer);
}

.page-home .hero__index a:hover,
.page-home .hero__index a:focus-visible {
  padding-left: 10px;
  background: rgba(201, 154, 60, 0.08);
}

.page-home .hero__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--amber);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.page-home .hero__label {
  grid-area: label;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

.page-home .hero__meta {
  grid-area: meta;
  font-size: 0.8rem;
  color: rgba(143, 166, 160, 0.95);
}

.page-home .hero__figure {
  position: relative;
  margin: 0;
}

.page-home .hero__figure::before {
  content: "";
  position: absolute;
  inset: 14px -10px -10px 14px;
  border: 1px solid rgba(201, 154, 60, 0.45);
  pointer-events: none;
}

.page-home .hero__figure img {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid rgba(201, 154, 60, 0.35);
}

.page-home .hero__figure figcaption {
  position: relative;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(143, 166, 160, 0.9);
}

/* 三条路径 */
.page-home .paths {
  background: var(--green-deep);
  color: var(--paper);
  padding: 52px 0 58px;
  border-top: 1px solid rgba(201, 154, 60, 0.35);
}

.page-home .paths__head {
  max-width: 60ch;
}

.page-home .paths__head .section-title {
  color: var(--paper);
  margin: 10px 0 0;
}

.page-home .paths__lede {
  margin: 16px 0 0;
  color: var(--home-text-on-dark);
}

.page-home .paths__grid {
  display: grid;
  gap: 34px;
  margin-top: 36px;
}

.page-home .tree {
  position: relative;
  padding-left: 28px;
}

.page-home .tree::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber) 0%, rgba(201, 154, 60, 0.45) 55%, rgba(201, 154, 60, 0.08) 100%);
}

.page-home .node {
  position: relative;
  padding-bottom: 30px;
}

.page-home .node:last-child {
  padding-bottom: 0;
}

.page-home .node::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 7px;
  width: 11px;
  height: 11px;
  border: 1px solid var(--amber);
  border-radius: 50%;
  background: var(--green-deep);
}

.page-home .node__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-home .node h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 3.6vw, 1.55rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-home .node p {
  margin: 0 0 10px;
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--home-text-on-dark);
}

.page-home .node__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(201, 154, 60, 0.9);
}

.page-home .node__link {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
}

.page-home .node__link:hover,
.page-home .node__link:focus-visible {
  color: var(--orange);
}

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

.page-home .paths__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid rgba(201, 154, 60, 0.3);
}

.page-home .paths__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(143, 166, 160, 0.95);
}

/* 版本对照 */
.page-home .cases {
  background: var(--paper);
  padding: 54px 0 60px;
}

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

.page-home .cases__head .section-title {
  margin: 10px 0 0;
}

.page-home .cases__lede {
  margin: 0;
  color: rgba(18, 51, 41, 0.82);
}

.page-home .rail {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 34px 0 0;
  padding: 8px 0 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--amber) rgba(15, 30, 25, 0.08);
}

.page-home .rail::-webkit-scrollbar {
  height: 4px;
}

.page-home .rail::-webkit-scrollbar-thumb {
  background: var(--amber);
}

.page-home .tl {
  position: relative;
  flex: 0 0 76%;
  max-width: 330px;
  scroll-snap-align: start;
  padding: 20px 4px 0 0;
  border-top: 2px solid var(--ink-night);
}

.page-home .tl::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--amber);
}

.page-home .tl:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 6px;
}

.page-home .tl__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--wine);
}

.page-home .tl__tag {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
}

.page-home .tl__tag--amber {
  color: #8a6516;
}

.page-home .tl__tag--green {
  color: var(--green-field);
}

.page-home .tl__tag--wine {
  color: var(--wine);
}

.page-home .tl__tag--indigo {
  color: var(--indigo);
}

.page-home .tl h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--ink-night);
}

.page-home .tl__brief {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.28s var(--ease-drawer);
}

.page-home .tl__brief > p {
  overflow: hidden;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(18, 51, 41, 0.78);
}

.page-home .tl:hover .tl__brief,
.page-home .tl:focus .tl__brief,
.page-home .tl:focus-within .tl__brief {
  grid-template-rows: 1fr;
}

.page-home .tl:hover .tl__brief > p,
.page-home .tl:focus .tl__brief > p {
  padding-top: 10px;
}

.page-home .cases__wide {
  display: grid;
  gap: 18px;
  margin: 34px 0 0;
}

.page-home .cases__wide img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-left: 3px solid var(--amber);
}

.page-home .cases__wide figcaption {
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(18, 51, 41, 0.85);
}

.page-home .cases__wide-kicker {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--wine);
}

.page-home .cases__wide-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--green-field);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
}

.page-home .cases__wide-link:hover {
  color: var(--orange);
}

/* 帮助栏 */
.page-home .help {
  background: var(--paper-old);
  padding: 52px 0 58px;
}

.page-home .help__grid {
  display: grid;
  gap: 30px;
}

.page-home .help__text .section-title {
  margin: 10px 0 0;
}

.page-home .help__text .lede {
  margin: 16px 0 0;
  color: rgba(18, 51, 41, 0.85);
}

.page-home .help__note {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(18, 51, 41, 0.72);
}

.page-home .help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-home .drawer {
  background: var(--indigo);
  color: var(--paper);
  padding: 24px 20px;
  border: 1px solid rgba(201, 154, 60, 0.55);
  box-shadow: var(--shadow-plaque);
}

.page-home .drawer__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-home .drawer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .drawer__list li {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(246, 240, 227, 0.16);
}

.page-home .drawer__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(201, 154, 60, 0.95);
}

.page-home .drawer__name {
  font-size: 0.95rem;
  color: var(--paper);
}

.page-home .drawer__list a {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: rgba(246, 240, 227, 0.72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .drawer__list a:hover,
.page-home .drawer__list a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-home .drawer__foot {
  margin: 16px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(246, 240, 227, 0.7);
}

/* 信任带 */
.page-home .hall {
  position: relative;
  overflow: hidden;
  background: var(--ink-night);
  color: var(--paper);
  padding: 60px 0 56px;
}

.page-home .hall__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-home .hall::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(8, 24, 19, 0.95) 0%, rgba(8, 24, 19, 0.72) 55%, rgba(11, 33, 27, 0.6) 100%);
}

.page-home .hall__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
}

.page-home .hall__lede {
  margin: 16px 0 22px;
  max-width: 46ch;
  color: var(--home-text-on-dark);
}

.page-home .section-title--light {
  color: var(--paper);
  margin: 10px 0 0;
}

.page-home .hall__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
}

.page-home .hall__stats li {
  padding-top: 14px;
  border-top: 1px solid rgba(201, 154, 60, 0.5);
}

.page-home .hall__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 7vw, 2.6rem);
  line-height: 1;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-home .hall__small {
  font-size: 0.55em;
  margin-left: 2px;
  color: var(--amber);
}

.page-home .hall__unit {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: rgba(143, 166, 160, 0.95);
}

@media (min-width: 720px) {
  .page-home .hero {
    padding: 46px 0 70px;
  }

  .page-home .hero__index a {
    grid-template-columns: 54px 1fr auto;
    grid-template-areas: "no label meta";
    align-items: baseline;
    gap: 14px;
    padding: 16px 2px;
  }

  .page-home .hero__no {
    padding-top: 0;
  }

  .page-home .hero__meta {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
  }

  .page-home .cases__wide {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    gap: 30px;
  }

  .page-home .tl {
    flex: 0 0 300px;
  }

  .page-home .hall__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
    gap: 44px;
  }

  .page-home .hall__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 20px;
  }
}

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .hero__figure {
    margin-top: 42px;
  }

  .page-home .paths {
    padding: 64px 0 72px;
  }

  .page-home .paths__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 54px;
    margin-top: 44px;
    align-items: start;
  }

  .page-home .paths__figure {
    margin-top: 12px;
  }

  .page-home .cases {
    padding: 68px 0 76px;
  }

  .page-home .cases__head {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }

  .page-home .tl {
    flex: 0 0 288px;
  }

  .page-home .help {
    padding: 68px 0 74px;
  }

  .page-home .help__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .hall {
    padding: 80px 0 72px;
  }

  .page-home .hall__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__index a,
  .page-home .tl__brief {
    transition: none;
  }
}