.page-home {
  --home-stroke: var(--ky-copper-600);
  display: block;
  overflow-x: clip;
}

.page-home :focus-visible {
  outline: 2px solid var(--ky-neon-cyan);
  outline-offset: 2px;
}

/* ============ 首屏：章节预览 ============ */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(36px, 6vw, 72px) clamp(60px, 9vw, 112px);
  background: linear-gradient(180deg, var(--ky-karst-100) 0%, var(--ky-paper) 58%);
  border-bottom: 1px solid var(--ky-line);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--ky-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ky-grid-line) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: .55;
}

.page-home .home-hero__aura {
  position: absolute;
  top: -14%;
  right: -12%;
  z-index: 0;
  width: min(880px, 74%);
  height: 104%;
  opacity: .2;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(112% 102% at 100% 8%, #000 6%, transparent 70%);
  mask-image: radial-gradient(112% 102% at 100% 8%, #000 6%, transparent 70%);
}

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

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 46rem;
}

.page-home .home-hero__inner > .ky-breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-home .home-hero__title {
  margin: clamp(12px, 1.6vw, 18px) 0 0;
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(34px, 6vw, 80px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ky-karst-800);
  text-wrap: balance;
}

.page-home .home-hero__lede {
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  max-width: 38rem;
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--ky-karst-800);
}

/* 四栏索引卡 */

.page-home .home-map {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(40px, 5.5vw, 78px) 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--ky-line-strong);
  background: var(--ky-line-strong);
}

.page-home .home-map__item {
  background: var(--ky-paper);
  min-width: 0;
}

.page-home .home-map__link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: clamp(20px, 2.4vw, 30px);
  color: inherit;
  text-decoration: none;
  transition:
    background-color .2s var(--ky-ease),
    transform .2s var(--ky-ease),
    box-shadow .2s var(--ky-ease);
}

.page-home .home-map__link:hover,
.page-home .home-map__link:focus-visible {
  background: var(--ky-paper-raised);
  transform: translateY(-2px);
  box-shadow:
    inset 0 0 0 1px var(--ky-copper-300),
    0 14px 28px -22px rgba(42, 26, 15, .6);
}

.page-home .home-map__no {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ky-copper-600);
}

.page-home .home-map__name {
  font-family: var(--ky-font-display);
  font-weight: 400;
  font-size: clamp(19px, 1.5vw, 23px);
  line-height: 1.35;
  color: var(--ky-karst-800);
}

.page-home .home-map__desc {
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ky-karst-400);
}

.page-home .home-map__lamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--ky-line);
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ky-karst-400);
}

.page-home .home-map__lamp em {
  font-style: normal;
}

/* 山形分割线 */

.page-home .home-ridge {
  display: block;
  line-height: 0;
  color: var(--ky-copper-600);
  background: var(--ky-paper);
  padding-inline: var(--ky-pad);
}

.page-home .home-ridge svg {
  display: block;
  width: 100%;
  height: 42px;
}

.page-home .home-ridge polyline {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  vector-effect: non-scaling-stroke;
  opacity: .7;
}

/* ============ 01 官方入口辨识 ============ */

.page-home .home-origin {
  padding-block: clamp(56px, 8vw, 104px);
  background: var(--ky-paper);
}

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

.page-home .home-origin__title {
  margin: 12px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--ky-karst-800);
}

.page-home .home-origin__text {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 40rem;
  font-size: clamp(15px, 1vw, 17px);
  line-height: 1.9;
  color: var(--ky-karst-400);
}

.page-home .home-origin__checks {
  margin: clamp(22px, 2.6vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ky-line);
}

.page-home .home-origin__checks li {
  position: relative;
  padding: 14px 0 14px 26px;
  border-bottom: 1px solid var(--ky-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ky-karst-800);
}

.page-home .home-origin__checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 12px;
  height: 1px;
  background: var(--ky-copper-600);
}

.page-home .home-origin__checks strong {
  font-weight: 500;
  color: var(--ky-copper-600);
  margin-right: 4px;
}

.page-home .home-origin__figure {
  margin: clamp(32px, 4vw, 0px) 0 0;
}

.page-home .home-origin__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--ky-line-strong);
  background: var(--ky-karst-100);
}

.page-home .home-origin__figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ky-karst-400);
}

/* ============ 02 打不开排查（放大区） ============ */

.page-home .home-zoom {
  padding-block: clamp(64px, 9.5vw, 128px);
  background: linear-gradient(180deg, var(--ky-paper) 0%, var(--ky-karst-100) 100%);
  border-block: 1px solid var(--ky-line);
}

.page-home .home-zoom__head {
  max-width: 46rem;
}

.page-home .home-zoom__title {
  margin: 12px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(30px, 4.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ky-karst-800);
}

.page-home .home-zoom__lede {
  margin: clamp(16px, 2vw, 24px) 0 0;
  font-size: clamp(15px, 1vw, 17px);
  line-height: 1.9;
  color: var(--ky-karst-400);
}

.page-home .home-zoom__grid {
  margin-top: clamp(36px, 4.5vw, 64px);
}

.page-home .home-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-home .home-steps__item {
  display: grid;
  grid-template-columns: minmax(60px, auto) minmax(0, 1fr);
  column-gap: clamp(14px, 2vw, 30px);
  row-gap: 8px;
  padding-top: clamp(16px, 2vw, 26px);
  border-top: 1px solid var(--ky-line-strong);
}

.page-home .home-steps__no {
  grid-row: 1 / span 2;
  align-self: start;
  font-family: var(--ky-font-mono);
  font-weight: 700;
  font-size: clamp(56px, 9vw, 116px);
  line-height: .78;
  letter-spacing: -.04em;
  color: rgba(169, 102, 43, .14);
  -webkit-text-stroke: 1.5px var(--home-stroke);
  text-stroke: 1.5px var(--home-stroke);
}

.page-home .home-steps__title {
  margin: 0;
  font-family: var(--ky-font-sans);
  font-weight: 500;
  font-size: clamp(17px, 1.2vw, 20px);
  line-height: 1.5;
  color: var(--ky-karst-800);
}

.page-home .home-steps__text {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-karst-400);
}

.page-home .home-zoom__figure {
  margin: clamp(34px, 4vw, 0px) 0 0;
}

.page-home .home-zoom__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--ky-line-strong);
  background: var(--ky-paper);
}

.page-home .home-zoom__figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ky-karst-400);
}

.page-home .home-zoom__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin: clamp(34px, 4vw, 52px) 0 0;
  padding-top: clamp(22px, 2.6vw, 32px);
  border-top: 1px solid var(--ky-line-strong);
}

.page-home .home-zoom__hint {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ky-karst-400);
}

/* ============ 03 换设备重新登录 ============ */

.page-home .home-device {
  padding-block: clamp(56px, 8vw, 104px);
  background: var(--ky-paper);
}

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

.page-home .home-device__title {
  margin: 12px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--ky-karst-800);
}

.page-home .home-device__text {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 34rem;
  font-size: clamp(15px, 1vw, 17px);
  line-height: 1.9;
  color: var(--ky-karst-400);
}

.page-home .home-device__head .ky-btn {
  margin-top: clamp(20px, 2.4vw, 30px);
}

.page-home .home-device__list {
  margin: clamp(32px, 4vw, 0px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ky-line-strong);
}

.page-home .home-device__list li {
  position: relative;
  padding: clamp(14px, 1.7vw, 20px) 0 clamp(14px, 1.7vw, 20px) 26px;
  border-bottom: 1px solid var(--ky-line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-karst-800);
}

.page-home .home-device__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(50% - 1px);
  width: 13px;
  height: 2px;
  background: var(--ky-copper-300);
}

/* ============ 04 版本与反馈 ============ */

.page-home .home-version {
  padding-block: clamp(56px, 8vw, 104px);
  background: linear-gradient(180deg, var(--ky-paper) 0%, var(--ky-karst-100) 100%);
  border-top: 1px solid var(--ky-line);
}

.page-home .home-version__head {
  max-width: 50rem;
}

.page-home .home-version__title {
  margin: 12px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.15;
  letter-spacing: -.018em;
  color: var(--ky-karst-800);
}

.page-home .home-version__lede {
  margin: clamp(16px, 2vw, 24px) 0 0;
  font-size: clamp(15px, 1vw, 17px);
  line-height: 1.9;
  color: var(--ky-karst-400);
}

.page-home .home-version__grid {
  margin-top: clamp(32px, 4vw, 56px);
}

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

.page-home .home-version__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--ky-line-strong);
  background: var(--ky-paper-raised);
}

.page-home .home-version__figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ky-karst-400);
}

.page-home .home-version__points {
  margin: clamp(28px, 3.4vw, 0px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-home .home-version__points li {
  padding: clamp(16px, 1.9vw, 22px);
  border: 1px solid var(--ky-line);
  border-left: 3px solid var(--ky-copper-300);
  background: var(--ky-paper);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-karst-800);
}

.page-home .home-version__points .ky-tag {
  margin-right: 8px;
}

.page-home .home-version__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: clamp(32px, 4vw, 48px) 0 0;
  padding-top: clamp(22px, 2.6vw, 32px);
  border-top: 1px solid var(--ky-line-strong);
}

/* ============ 05 信任凭据 ============ */

.page-home .home-trust {
  padding-block: clamp(56px, 8vw, 104px);
  background: var(--ky-karst-100);
  border-top: 1px solid var(--ky-line);
}

.page-home .home-trust__head {
  max-width: 48rem;
}

.page-home .home-trust__title {
  margin: 12px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.16;
  letter-spacing: -.018em;
  color: var(--ky-karst-800);
}

.page-home .home-trust__lede {
  margin: clamp(16px, 2vw, 22px) 0 0;
  font-size: clamp(15px, 1vw, 17px);
  line-height: 1.9;
  color: var(--ky-karst-400);
}

.page-home .home-trust__grid {
  margin: clamp(30px, 4vw, 52px) 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--ky-line-strong);
}

.page-home .home-trust__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: clamp(14px, 1.7vw, 20px) 0;
  border-bottom: 1px solid var(--ky-line);
}

.page-home .home-trust__row dt {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ky-copper-600);
}

.page-home .home-trust__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-karst-800);
}

.page-home .home-trust__closing {
  margin: clamp(26px, 3.2vw, 40px) 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--ky-neon-violet);
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.9;
  color: var(--ky-karst-800);
}

/* ============ 响应式 ============ */

@media (min-width: 640px) {
  .page-home .home-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-trust__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__aura {
    width: min(960px, 66%);
  }

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

  .page-home .home-origin__grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: start;
  }

  .page-home .home-origin__figure {
    margin-top: 0;
  }

  .page-home .home-zoom__grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 84px);
    align-items: start;
  }

  .page-home .home-zoom__figure {
    margin-top: clamp(48px, 5vw, 68px);
  }

  .page-home .home-device__grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: start;
  }

  .page-home .home-device__list {
    margin-top: 0;
  }

  .page-home .home-version__grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 60px);
    align-items: center;
  }

  .page-home .home-version__points {
    margin-top: 0;
  }

  .page-home .home-trust__row {
    grid-template-columns: 180px minmax(0, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-home .home-ridge svg {
    height: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-map__link {
    transition: background-color .01ms linear, box-shadow .01ms linear;
  }

  .page-home .home-map__link:hover,
  .page-home .home-map__link:focus-visible {
    transform: none;
  }
}
<<<END>>>