.page-home {
  --home-line: rgba(243, 239, 228, 0.16);
  --home-line-soft: rgba(243, 239, 228, 0.08);
  --home-ghost: rgba(201, 255, 79, 0.42);
  background: var(--ink);
  color: var(--rice);
  font-family: var(--ff-body);
  overflow-x: clip;
}

.page-home a {
  color: inherit;
  text-decoration: none;
}

.page-home img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-home .section {
  padding-block: clamp(48px, 8vw, 104px);
}

.page-home .breadcrumb {
  color: var(--rock);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-home .breadcrumb a {
  color: var(--rice);
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(36px, 6vw, 72px);
  overflow: clip;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, var(--lime), transparent 65%);
  opacity: 0.5;
}

.page-home .home-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-home .hero-ghost {
  position: absolute;
  top: -18px;
  right: 12px;
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: clamp(120px, 26vw, 300px);
  line-height: 0.78;
  color: transparent;
  -webkit-text-stroke: 1px var(--home-ghost);
  pointer-events: none;
  user-select: none;
}

.page-home .hero-grid {
  position: relative;
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .hero-copy h1 {
  margin: 10px 0 0;
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 78px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--rice);
}

.page-home .hero-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(243, 239, 228, 0.82);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-home .hero-media {
  position: relative;
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-home .hero-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.86);
}

.page-home .hero-media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--lime);
  color: var(--pitch);
  border: 0;
}

.page-home .hero-index {
  list-style: none;
  margin: clamp(24px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  background: var(--home-line-soft);
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
}

.page-home .idx {
  position: relative;
  background: var(--ink);
  padding: 18px 0 18px 0;
  display: grid;
  gap: 6px;
}

.page-home .idx__no {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-home .idx--signal .idx__no { color: var(--lime); }
.page-home .idx--amber .idx__no { color: var(--amber); }
.page-home .idx--clay .idx__no { color: var(--clay); }
.page-home .idx--moss .idx__no { color: var(--mint); }

.page-home .idx__link {
  display: grid;
  gap: 6px;
}

.page-home .idx__name {
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.01em;
  color: var(--rice);
}

.page-home .idx__desc {
  font-family: var(--ff-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--rock);
}

.page-home .idx__more {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(243, 239, 228, 0.7);
  max-height: 8em;
  opacity: 1;
  overflow: hidden;
  transition: max-height 0.32s ease, opacity 0.26s ease;
}

.page-home .idx__tag {
  justify-self: start;
  margin-top: 2px;
}

.page-home .idx:hover .idx__name,
.page-home .idx:focus-within .idx__name {
  color: var(--lime);
}

.page-home .idx--amber:hover .idx__name,
.page-home .idx--amber:focus-within .idx__name { color: var(--amber); }
.page-home .idx--clay:hover .idx__name,
.page-home .idx--clay:focus-within .idx__name { color: var(--clay); }
.page-home .idx--moss:hover .idx__name,
.page-home .idx--moss:focus-within .idx__name { color: var(--mint); }

@media (hover: hover) {
  .page-home .idx__more {
    max-height: 0;
    opacity: 0;
  }
  .page-home .idx:hover .idx__more,
  .page-home .idx:focus-within .idx__more {
    max-height: 8em;
    opacity: 1;
  }
}

.page-home .hero-stats {
  list-style: none;
  margin: 0;
  padding: clamp(20px, 3vw, 32px) 0 0;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-home .hero-stats li {
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--home-line);
  padding-left: 12px;
}

.page-home .hero-stats .num {
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: clamp(28px, 4.4vw, 42px);
  line-height: 1;
  color: var(--lime);
}

.page-home .hero-stats .lbl {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

/* ---------- 章节标题 ---------- */

.page-home .sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 44px);
  max-width: 62ch;
}

.page-home .sec-no {
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: clamp(46px, 9vw, 92px);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 255, 79, 0.45);
  display: block;
}

.page-home .sec-head h2,
.page-home .home-android h2,
.page-home .home-flow h2 {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--rice);
}

.page-home .sec-lede {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(243, 239, 228, 0.78);
}

/* ---------- 摘要板 ---------- */

.page-home .brief-grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .brief-media {
  position: relative;
  margin: 0;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-home .brief-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.82);
}

.page-home .brief-media__tag {
  position: absolute;
  right: 0;
  top: 0;
  background: var(--moss);
  color: var(--rice);
  border-color: rgba(243, 239, 228, 0.2);
}

.page-home .brief-board {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-home .brief-board__tag {
  justify-self: start;
  background: var(--lime);
  color: var(--pitch);
  border: 0;
}

.page-home .brief-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-home .brief-item {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(243, 239, 228, 0.14);
}

.page-home .brief-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .brief-item dt {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-home .brief-item dd {
  margin: 0;
}

.page-home .brief-num {
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: clamp(38px, 7vw, 62px);
  line-height: 1;
  color: var(--amber);
  letter-spacing: 0.01em;
}

.page-home .brief-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 239, 228, 0.76);
}

/* ---------- 四栏 ---------- */

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

.page-home .lane {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.6vw, 28px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: transform 0.28s ease;
}

.page-home .lane:hover {
  transform: translateY(-3px);
}

.page-home .lane__no {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  opacity: 0.7;
}

.page-home .lane__title {
  margin: 0;
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

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

.page-home .lane__tags {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .lane__tags li {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  opacity: 0.78;
}

.page-home .lane__go {
  margin-top: 8px;
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  border-bottom: 2px solid currentColor;
  justify-self: start;
  padding-bottom: 2px;
}

.page-home .lane__media {
  margin: 4px 0;
  overflow: hidden;
}

.page-home .lane__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.86);
}

.page-home .lane--signal {
  background: var(--lime);
  color: var(--pitch);
}

.page-home .lane--amber {
  background: var(--amber);
  color: var(--pitch);
}

.page-home .lane--clay {
  background: var(--clay);
  color: var(--pitch);
}

.page-home .lane--moss {
  background: var(--moss);
  color: var(--rice);
  border: 1px solid rgba(201, 255, 79, 0.32);
}

.page-home .lane--moss .lane__go {
  color: var(--lime);
}

/* ---------- 安卓路径 ---------- */

.page-home .home-android {
  background: linear-gradient(180deg, var(--ink), var(--pitch) 90%);
}

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

.page-home .android-copy .sec-lede {
  margin-top: 12px;
}

.page-home .steps {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-home .steps__item {
  position: relative;
  padding-left: 52px;
  padding-bottom: 24px;
}

.page-home .steps__item::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 38px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(201, 255, 79, 0.55), rgba(201, 255, 79, 0.06));
}

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

.page-home .steps__item:last-child::before {
  display: none;
}

.page-home .steps__no {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--lime);
  background: rgba(201, 255, 79, 0.12);
  border: 1px solid rgba(201, 255, 79, 0.4);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.page-home .steps__item h3 {
  margin: 0 0 4px;
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.25;
  color: var(--rice);
}

.page-home .steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 239, 228, 0.74);
}

.page-home .steps__item p a {
  color: var(--lime);
  border-bottom: 1px solid rgba(201, 255, 79, 0.45);
}

.page-home .android-link {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-home .android-media {
  position: relative;
  margin: 0;
  clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% 100%, 0 100%);
}

.page-home .android-media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(0.62) brightness(0.8);
}

.page-home .android-media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--pitch);
  color: var(--lime);
  border-color: rgba(201, 255, 79, 0.4);
}

/* ---------- 规模与节奏 ---------- */

.page-home .home-scale {
  background: var(--mint);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
}

.page-home .sec-head--dark .sec-no {
  -webkit-text-stroke: 1px rgba(11, 36, 30, 0.35);
}

.page-home .sec-head--dark h2 {
  color: var(--ink);
}

.page-home .sec-head--dark .sec-lede {
  color: rgba(11, 36, 30, 0.74);
}

.page-home .scale-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(11, 36, 30, 0.16);
  border: 1px solid rgba(11, 36, 30, 0.16);
}

.page-home .scale-cell {
  background: var(--mint);
  padding: 18px 16px;
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-home .scale-num {
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1;
  color: var(--moss);
}

.page-home .scale-lbl {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(11, 36, 30, 0.72);
}

.page-home .rhythm {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  gap: 12px;
}

.page-home .rhythm__title {
  margin: 0;
  font-family: var(--ff-data);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-home .rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .rhythm__item {
  display: grid;
  gap: 4px;
  padding: 14px 0 14px 14px;
  border-left: 2px solid var(--clay);
  background: rgba(255, 255, 255, 0.42);
}

.page-home .rhythm__k {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-home .rhythm__v {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(11, 36, 30, 0.8);
}

/* ---------- 路径与行动 ---------- */

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

.page-home .flow-intro .sec-lede {
  margin-top: 12px;
  max-width: 46ch;
}

.page-home .flow-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-home .flow-aside {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(243, 239, 228, 0.62);
}

.page-home .flow-aside a {
  color: var(--amber);
  border-bottom: 1px solid rgba(255, 179, 92, 0.5);
}

.page-home .flow-steps {
  margin-top: 0;
}

.page-home .flow-steps .steps__no {
  color: var(--amber);
  background: rgba(255, 179, 92, 0.12);
  border-color: rgba(255, 179, 92, 0.42);
}

.page-home .flow-steps .steps__item::before {
  background: linear-gradient(180deg, rgba(255, 179, 92, 0.5), rgba(255, 179, 92, 0.05));
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-home .hero-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .idx {
    padding: 22px 18px;
  }
  .page-home .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .lane-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .scale-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .rhythm__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }
  .page-home .hero-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .brief-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: stretch;
  }
  .page-home .lane-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: stretch;
  }
  .page-home .android-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
  }
  .page-home .scale-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .rhythm__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .flow-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
  .page-home .flow-intro {
    position: sticky;
    top: calc(var(--strip-h) + 16px);
  }
  .page-home .sec-head {
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 20px;
    align-items: start;
    max-width: none;
    grid-template-areas:
      "no title"
      "no lede";
  }
  .page-home .sec-head .sec-no {
    grid-area: no;
    align-self: center;
  }
  .page-home .sec-head h2 {
    grid-area: title;
  }
  .page-home .sec-head .sec-lede {
    grid-area: lede;
    max-width: 70ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .lane,
  .page-home .idx__more {
    transition: none;
  }
  .page-home .lane:hover {
    transform: none;
  }
}
<<<END>>>