.page-home {
  --home-line: rgba(21, 38, 31, 0.13);
  --home-surface: #FFFDF7;
  --home-dash: rgba(21, 38, 31, 0.18);
  background: var(--yk-cream);
  color: var(--yk-ink);
  font-family: var(--yk-font-body);
  overflow-x: clip;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--yk-font-display);
  color: var(--yk-ink);
  letter-spacing: -0.015em;
}

/* ---------- 框景首屏 ---------- */

.page-home .home-hero {
  padding-block: clamp(18px, 3.4vw, 36px) clamp(8px, 2vw, 16px);
}

.page-home .home-hero__frame {
  position: relative;
  padding: clamp(24px, 4vw, 52px);
  border: 1.5px solid var(--home-line);
  border-radius: var(--yk-radius-lg);
  background:
    radial-gradient(130% 150% at 100% 0%, var(--yk-sand) 0%, rgba(234, 217, 184, 0) 58%),
    linear-gradient(180deg, #FFFDF6 0%, var(--yk-cream) 100%);
  box-shadow: var(--yk-shadow-soft), inset 0 0 0 1px rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

.page-home .home-hero__corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 0 solid var(--yk-green);
  opacity: 0.5;
  pointer-events: none;
}

.page-home .home-hero__corner--tl {
  top: 13px;
  left: 13px;
  border-top-width: 2px;
  border-left-width: 2px;
  border-top-left-radius: 10px;
}

.page-home .home-hero__corner--tr {
  top: 13px;
  right: 13px;
  border-top-width: 2px;
  border-right-width: 2px;
  border-top-right-radius: 10px;
}

.page-home .home-hero__corner--bl {
  bottom: 13px;
  left: 13px;
  border-bottom-width: 2px;
  border-left-width: 2px;
  border-bottom-left-radius: 10px;
}

.page-home .home-hero__corner--br {
  bottom: 13px;
  right: 13px;
  border-bottom-width: 2px;
  border-right-width: 2px;
  border-bottom-right-radius: 10px;
}

.page-home .home-hero__scene {
  position: absolute;
  inset: auto 0 0 0;
  width: 100%;
  height: clamp(90px, 16vw, 160px);
  display: block;
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

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

.page-home .home-hero__badge {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 10px;
  border-radius: var(--yk-radius-pill);
  background: var(--yk-green);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  vertical-align: 1px;
}

.page-home .home-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.15;
  font-weight: 900;
}

.page-home .home-hero .yk-lede {
  margin-top: 18px;
  max-width: 34em;
  font-size: clamp(16px, 1.8vw, 17.5px);
  line-height: 1.8;
  color: var(--yk-rock);
}

.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.page-home .home-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 12px;
  border-radius: var(--yk-radius-md);
  background: rgba(250, 246, 236, 0.9);
  border: 1px solid var(--home-line);
}

.page-home .home-hero__stat-num {
  font-size: clamp(26px, 4.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--yk-green-deep);
}

.page-home .home-hero__stat-label {
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--yk-rock);
}

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

.page-home .home-hero__visual {
  position: relative;
  border-radius: var(--yk-radius-md);
  overflow: hidden;
  border: 1px solid var(--home-line);
  background: var(--yk-sky-soft);
  box-shadow: var(--yk-shadow-soft);
}

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

/* ---------- 通用带宽 ---------- */

.page-home .home-band {
  padding-block: clamp(36px, 6vw, 76px);
}

.page-home .home-band + .home-band {
  border-top: 1px dashed var(--home-dash);
}

.page-home .home-band__head {
  max-width: 44em;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-home .home-band__head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.25;
  font-weight: 900;
}

.page-home .home-band__head .yk-lede {
  margin-top: 14px;
  font-size: clamp(15.5px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--yk-rock);
}

/* ---------- 栏目索引 ---------- */

.page-home .home-index__grid {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
  align-items: start;
}

.page-home .home-index__rail-title {
  margin: 0 0 10px;
  font-family: var(--yk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yk-rock);
}

.page-home .home-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-index__item {
  flex: 0 0 auto;
}

.page-home .home-index__link {
  display: block;
  padding: 9px 16px;
  border-radius: var(--yk-radius-pill);
  background: var(--home-surface);
  border: 1px solid var(--home-line);
  color: var(--yk-ink);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s var(--yk-ease), color 0.2s var(--yk-ease), border-color 0.2s var(--yk-ease), transform 0.2s var(--yk-ease);
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  background: var(--yk-green);
  border-color: var(--yk-green);
  color: #fff;
  transform: translateY(-1px);
  outline: none;
}

.page-home .home-index__figure {
  margin: 0 0 20px;
}

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

.page-home .home-topic {
  --card: var(--yk-sand);
  --accent: var(--yk-green);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 18px;
  border-radius: var(--yk-radius-md);
  background: var(--card);
  border: 1px solid rgba(21, 38, 31, 0.09);
  scroll-margin-top: 120px;
  transition: transform 0.22s var(--yk-ease), box-shadow 0.22s var(--yk-ease), border-color 0.22s var(--yk-ease);
}

.page-home .home-topic::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 0;
  width: 4px;
  height: 20px;
  border-radius: 0 4px 4px 0;
  background: var(--accent);
}

.page-home .home-topic:hover,
.page-home .home-topic:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--yk-shadow-lift);
  border-color: var(--accent);
}

.page-home .home-topic__name {
  margin: 0;
  font-size: 18.5px;
  font-weight: 700;
  line-height: 1.3;
}

.page-home .home-topic__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--yk-ink);
  opacity: 0.86;
}

.page-home .home-topic__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

.page-home .home-topic__mark {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  font-size: 12px;
  font-weight: 700;
  color: var(--yk-orange-deep);
}

.page-home .home-topic__mark::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yk-orange);
}

.page-home .home-index__more {
  margin: 24px 0 0;
}

/* ---------- 版本更新 ---------- */

.page-home .home-version__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

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

.page-home .home-acc {
  margin-bottom: 10px;
  padding: 2px 18px;
  border-radius: var(--yk-radius-md);
  background: var(--home-surface);
  border: 1px solid var(--home-line);
  transition: border-color 0.2s var(--yk-ease), box-shadow 0.2s var(--yk-ease);
}

.page-home .home-acc[open] {
  border-color: rgba(31, 111, 74, 0.4);
  box-shadow: var(--yk-shadow-soft);
}

.page-home .home-acc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  font-family: var(--yk-font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  list-style: none;
}

.page-home .home-acc summary::-webkit-details-marker {
  display: none;
}

.page-home .home-acc summary:focus-visible {
  outline: 2px solid var(--yk-sky);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-home .home-acc summary::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--yk-font-mono);
  font-size: 17px;
  color: var(--yk-orange-deep);
}

.page-home .home-acc[open] summary::after {
  content: "－";
}

.page-home .home-acc p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yk-rock);
}

.page-home .home-version__link {
  margin: 18px 0 0;
}

/* ---------- 三步路线 ---------- */

.page-home .home-route__grid {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  align-items: start;
}

.page-home .home-route__steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-route__step {
  position: relative;
  padding: 22px 22px 22px 78px;
  border-radius: var(--yk-radius-md);
  background: var(--home-surface);
  border: 1px solid var(--home-line);
  transition: transform 0.2s var(--yk-ease), box-shadow 0.2s var(--yk-ease), background 0.2s var(--yk-ease);
}

.page-home .home-route__step:hover,
.page-home .home-route__step:focus-within {
  transform: translateX(3px);
  background: #FBF3E1;
  box-shadow: var(--yk-shadow-soft);
}

.page-home .home-route__num {
  position: absolute;
  top: 20px;
  left: 22px;
  font-size: 25px;
  font-weight: 700;
  line-height: 1;
  color: var(--yk-orange);
}

.page-home .home-route__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

.page-home .home-route__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--yk-rock);
}

.page-home .home-route__aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
  border-radius: var(--yk-radius-lg);
  background: var(--yk-sky-soft);
  border: 1px solid rgba(44, 110, 155, 0.24);
}

.page-home .home-route__aside img {
  width: 100%;
  max-width: 280px;
  height: auto;
  align-self: center;
  display: block;
  border-radius: var(--yk-radius-md);
}

.page-home .home-route__aside-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--yk-green-deep);
}

.page-home .home-route__aside .yk-btn {
  align-self: flex-start;
}

/* ---------- 信任与联络 ---------- */

.page-home .home-trust {
  margin-inline: clamp(12px, 3vw, 32px);
  margin-block: clamp(24px, 4vw, 48px);
  border-radius: var(--yk-radius-lg);
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(44, 110, 155, 0.6) 0%, rgba(44, 110, 155, 0) 58%),
    var(--yk-green-deep);
  color: #fff;
  overflow: hidden;
}

.page-home .home-trust__inner {
  padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 52px);
}

.page-home .home-trust .yk-eyebrow {
  color: var(--yk-sky-soft);
}

.page-home .home-trust h2 {
  margin: 10px 0 14px;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.28;
  font-weight: 900;
  color: #fff;
}

.page-home .home-trust__lead p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(250, 246, 236, 0.86);
}

.page-home .home-trust__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-home .home-trust__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-home .home-trust__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  align-content: start;
}

.page-home .home-trust__fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 13px 16px;
  border-radius: var(--yk-radius-md);
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(203, 231, 244, 0.22);
}

.page-home .home-trust__key {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--yk-sky-soft);
}

.page-home .home-trust__val {
  margin: 0;
  flex: 1 1 12em;
  font-size: 15.5px;
  font-weight: 600;
  color: #fff;
  word-break: break-word;
}

.page-home .home-trust__val.yk-mono {
  letter-spacing: 0.01em;
}

.page-home .home-trust__meta {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(203, 231, 244, 0.35);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(250, 246, 236, 0.78);
}

.page-home .home-trust__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 14px 0 0;
}

.page-home .home-trust__legal a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--yk-sky-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .home-trust__legal a:hover,
.page-home .home-trust__legal a:focus-visible {
  color: #fff;
  outline: none;
}

/* ---------- 断点 ---------- */

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

  .page-home .home-trust__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
  }

  .page-home .home-version__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-home .home-route__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.75fr);
  }

  .page-home .home-route__aside {
    position: sticky;
    top: 110px;
  }

  .page-home .home-trust__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .home-index__grid {
    grid-template-columns: 232px minmax(0, 1fr);
  }

  .page-home .home-index__rail {
    position: sticky;
    top: 118px;
    padding-right: 8px;
  }

  .page-home .home-index__list {
    flex-direction: column;
    gap: 6px;
    padding: 0 0 0 14px;
    overflow: visible;
    border-left: 2px dashed var(--home-dash);
  }

  .page-home .home-index__item {
    position: relative;
  }

  .page-home .home-index__item::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -19px;
    width: 7px;
    height: 7px;
    margin-top: -3.5px;
    border-radius: 50%;
    background: var(--yk-moss);
  }

  .page-home .home-index__link {
    width: 100%;
    text-align: left;
  }
}

@media (min-width: 1200px) {
  .page-home .home-topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-topic,
  .page-home .home-route__step,
  .page-home .home-index__link {
    transition: none;
  }

  .page-home .home-topic:hover,
  .page-home .home-topic:focus-within,
  .page-home .home-route__step:hover,
  .page-home .home-route__step:focus-within,
  .page-home .home-index__link:hover,
  .page-home .home-index__link:focus-visible {
    transform: none;
  }
}
<<<END>>>