.page-home {
  --home-gap: clamp(20px, 3vw, 40px);
  --home-line: 1px solid var(--ky-line);
  --home-line-invert: 1px solid rgba(255, 255, 255, .18);
}

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

.page-home .ky-figure__img {
  width: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero__grid {
  display: grid;
  gap: var(--home-gap);
  margin-top: clamp(20px, 4vw, 44px);
}

.page-home .home-hero__title {
  font-family: var(--ky-serif);
  font-weight: 900;
  font-size: clamp(2rem, 1.4rem + 2.8vw, 3.5rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ky-ink);
  margin: 12px 0 18px;
  max-width: 18em;
}

.page-home .home-hero__text {
  max-width: 34em;
  color: var(--ky-ink);
}

.page-home .home-hero__tick {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  padding: 8px 18px;
  border-radius: var(--ky-radius-pill);
  background: var(--ky-gold-soft);
  color: var(--ky-ink);
  font-size: var(--ky-fs-14);
  font-family: var(--ky-mono);
}

.page-home .home-hero__tick .ky-num {
  color: var(--ky-leaf);
}

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

.page-home .home-hero__figure .ky-figure__img {
  border-radius: var(--ky-radius-lg);
}

/* 章节预览 */
.page-home .home-chapters {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-home .home-chapters__link {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 2px;
  border-top: var(--home-line);
  text-decoration: none;
  color: var(--ky-ink);
  transition: color .24s ease-out, background-color .24s ease-out;
}

.page-home .home-chapters__item:last-child .home-chapters__link {
  border-bottom: var(--home-line);
}

.page-home .home-chapters__link:hover,
.page-home .home-chapters__link:focus-visible {
  color: var(--ky-leaf);
  background: var(--ky-leaf-tint);
}

.page-home .home-chapters__link .ky-num {
  color: var(--ky-steel);
}

.page-home .home-chapters__link:hover .ky-num {
  color: var(--ky-gold);
}

.page-home .home-chapters__label {
  display: block;
  font-family: var(--ky-hei);
  font-weight: 700;
  font-size: var(--ky-fs-16);
}

.page-home .home-chapters__hint {
  display: block;
  margin-top: 4px;
  font-size: var(--ky-fs-14);
  color: var(--ky-steel);
}

/* ---------- 三步路径 ---------- */

.page-home .steps {
  margin-top: 30px;
}

.page-home .steps__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-home .steps__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .steps__tab {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--ky-leaf);
  border-radius: var(--ky-radius-pill);
  background: transparent;
  color: var(--ky-leaf);
  font-family: var(--ky-hei);
  font-weight: 700;
  font-size: var(--ky-fs-16);
  cursor: pointer;
  transition: background-color .24s ease-out, color .24s ease-out;
}

.page-home .steps__tab .ky-num {
  color: var(--ky-steel);
  font-size: var(--ky-fs-14);
}

.page-home .steps__tab:hover {
  background: rgba(255, 255, 255, .6);
}

.page-home #home-step-1:checked ~ .steps__tabs [for="home-step-1"],
.page-home #home-step-2:checked ~ .steps__tabs [for="home-step-2"],
.page-home #home-step-3:checked ~ .steps__tabs [for="home-step-3"] {
  background: var(--ky-leaf);
  color: var(--ky-white);
}

.page-home #home-step-1:checked ~ .steps__tabs [for="home-step-1"] .ky-num,
.page-home #home-step-2:checked ~ .steps__tabs [for="home-step-2"] .ky-num,
.page-home #home-step-3:checked ~ .steps__tabs [for="home-step-3"] .ky-num {
  color: var(--ky-gold-soft);
}

.page-home #home-step-1:focus-visible ~ .steps__tabs [for="home-step-1"],
.page-home #home-step-2:focus-visible ~ .steps__tabs [for="home-step-2"],
.page-home #home-step-3:focus-visible ~ .steps__tabs [for="home-step-3"] {
  outline: 2px solid var(--ky-gold);
  outline-offset: 3px;
}

.page-home .steps__panel {
  display: none;
  margin-top: 26px;
}

.page-home #home-step-1:checked ~ .steps__panels [data-step="1"],
.page-home #home-step-2:checked ~ .steps__panels [data-step="2"],
.page-home #home-step-3:checked ~ .steps__panels [data-step="3"] {
  display: block;
  animation: home-step-in .28s ease-out both;
}

@keyframes home-step-in {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

.page-home .steps__panel-inner {
  display: grid;
  gap: 20px;
}

.page-home .steps__dest {
  background: var(--ky-white);
  border-left: 3px solid var(--ky-gold);
  border-radius: 0 var(--ky-radius-md) var(--ky-radius-md) 0;
  padding: 16px 20px;
}

.page-home .steps__dest p {
  margin: 0;
  font-size: var(--ky-fs-14);
  color: var(--ky-steel);
}

.page-home .steps__dest .ky-num {
  color: var(--ky-leaf);
  margin-bottom: 6px;
}

.page-home .steps__fork {
  margin: 22px 0 0;
  padding: 14px 20px;
  background: var(--ky-gold-soft);
  border-radius: var(--ky-radius-md);
  font-size: var(--ky-fs-14);
  color: var(--ky-ink);
}

.page-home .steps__fork strong {
  color: var(--ky-leaf);
}

.page-home .path__figure {
  margin: 34px 0 0;
}

.page-home .path__figure .ky-figure__img {
  border-radius: var(--ky-radius-lg);
}

/* ---------- 更新节奏 ---------- */

.page-home .week__grid {
  display: grid;
  gap: var(--home-gap);
}

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

.page-home .week__figure .ky-figure__img {
  border-radius: var(--ky-radius-lg) var(--ky-radius-lg) 0 0;
}

.page-home .week__ruler {
  position: relative;
  height: 30px;
  margin: 26px 0 30px;
  background-image: repeating-linear-gradient(90deg, var(--ky-leaf) 0 1px, transparent 1px 14px);
  background-repeat: repeat-x;
  background-position: left bottom;
  background-size: auto 11px;
}

.page-home .week__node {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ky-gold);
}

.page-home .week__node::after {
  content: "周三 18:00";
  position: absolute;
  right: 0;
  bottom: 20px;
  white-space: nowrap;
  font-family: var(--ky-mono);
  font-size: var(--ky-fs-12);
  color: var(--ky-leaf);
}

.page-home .week__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
}

.page-home .week__stat-num {
  display: block;
  font-family: var(--ky-mono);
  font-size: var(--ky-fs-24);
  color: var(--ky-leaf);
  line-height: 1.2;
}

.page-home .week__stat-label {
  display: block;
  margin-top: 6px;
  font-size: var(--ky-fs-14);
  color: var(--ky-steel);
}

.page-home .week .ky-note {
  margin-top: 26px;
}

.page-home .ky-note a {
  color: var(--ky-leaf);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 两个版本 ---------- */

.page-home .versions .ky-eyebrow {
  color: var(--ky-gold-soft);
}

.page-home .versions .ky-section__title {
  color: var(--ky-white);
}

.page-home .versions .ky-section__head .ky-prose {
  color: rgba(255, 255, 255, .82);
}

.page-home .versions__grid {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-home .versions__figure {
  order: 3;
  margin: 0;
}

.page-home .versions__figure .ky-figure__img {
  border-radius: var(--ky-radius-lg);
}

.page-home .version {
  border-top: var(--home-line-invert);
  padding-top: 18px;
}

.page-home .version__tag {
  margin: 0;
  font-family: var(--ky-mono);
  font-size: var(--ky-fs-12);
  color: var(--ky-gold-soft);
}

.page-home .version__name {
  margin: 8px 0 0;
  font-family: var(--ky-serif);
  font-weight: 900;
  font-size: var(--ky-fs-24);
  color: var(--ky-white);
}

.page-home .version__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: var(--ky-fs-14);
  color: rgba(255, 255, 255, .82);
}

.page-home .version__list li {
  position: relative;
  padding-left: 16px;
}

.page-home .version__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ky-gold);
}

.page-home .versions__shared {
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px dashed rgba(217, 164, 65, .55);
}

.page-home .versions__shared p {
  margin: 0 0 18px;
  max-width: 52em;
  color: rgba(255, 255, 255, .82);
}

/* ---------- 栏目索引 ---------- */

.page-home .index-groups {
  display: grid;
  margin-top: 26px;
}

.page-home .index-group {
  border-top: var(--home-line);
  padding: 22px 0;
}

.page-home .index-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-home .index-group__name {
  margin: 0;
  font-family: var(--ky-hei);
  font-weight: 700;
  font-size: var(--ky-fs-18);
  color: var(--ky-ink);
}

.page-home .index-group__count {
  font-family: var(--ky-mono);
  font-size: var(--ky-fs-12);
  color: var(--ky-steel);
  white-space: nowrap;
}

.page-home .index-group__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-home .index-group__chips li {
  padding: 5px 13px;
  border: 1px solid var(--ky-line);
  border-radius: var(--ky-radius-pill);
  background: var(--ky-white);
  font-size: var(--ky-fs-14);
  color: var(--ky-leaf);
}

.page-home .index-group__more {
  margin-top: 14px;
}

.page-home .index-group__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ky-hei);
  font-weight: 700;
  font-size: var(--ky-fs-14);
  color: var(--ky-leaf);
}

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

.page-home .index-group__more summary::after {
  content: "+";
  font-family: var(--ky-mono);
  color: var(--ky-gold);
}

.page-home .index-group__more[open] summary::after {
  content: "−";
}

.page-home .index-group__more summary:focus-visible {
  outline: 2px solid var(--ky-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-home .index-group__sub {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 0 2px;
  display: grid;
  gap: 7px;
  font-size: var(--ky-fs-14);
  color: var(--ky-steel);
}

.page-home .index-group__sub li {
  position: relative;
  padding-left: 14px;
}

.page-home .index-group__sub li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 8px;
  height: 1px;
  background: var(--ky-gold);
}

.page-home .index .ky-note {
  margin-top: 24px;
}

/* ---------- 检索与收藏 ---------- */

.page-home .find__ways {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-home .find__way {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 6px 14px;
  padding: 16px 0;
  border-top: var(--home-line);
}

.page-home .find__way .ky-num {
  color: var(--ky-gold);
}

.page-home .find__way-name {
  font-family: var(--ky-hei);
  font-weight: 700;
  font-size: var(--ky-fs-16);
  color: var(--ky-ink);
}

.page-home .find__way-text {
  grid-column: 2;
  font-size: var(--ky-fs-14);
  color: var(--ky-steel);
}

.page-home .find__save {
  margin-top: 30px;
  padding: clamp(20px, 3vw, 34px);
  background: var(--ky-gold-soft);
  border-radius: var(--ky-radius-lg);
}

.page-home .find__save-title {
  margin: 0;
  font-family: var(--ky-serif);
  font-weight: 900;
  font-size: var(--ky-fs-24);
  color: var(--ky-leaf);
}

.page-home .find__save-list {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 52em;
  font-size: var(--ky-fs-16);
  color: var(--ky-ink);
}

.page-home .find__save-list li {
  position: relative;
  padding-left: 20px;
}

.page-home .find__save-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ky-leaf);
}

/* ---------- 反馈与支持 ---------- */

.page-home .support .ky-eyebrow {
  color: var(--ky-gold-soft);
}

.page-home .support .ky-section__title {
  color: var(--ky-white);
}

.page-home .support .ky-section__head .ky-prose {
  color: rgba(255, 255, 255, .82);
}

.page-home .support__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .support__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-top: 16px;
  border-top: var(--home-line-invert);
  font-size: var(--ky-fs-16);
  color: rgba(255, 255, 255, .86);
}

.page-home .support__item .ky-num {
  color: var(--ky-gold);
}

.page-home .support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-home .support .ky-btn--ghost {
  color: var(--ky-white);
  border-color: rgba(255, 255, 255, .55);
}

.page-home .support .ky-btn--ghost:hover {
  background: rgba(255, 255, 255, .12);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .week__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .find__way {
    grid-template-columns: 2.4rem minmax(0, 3fr) minmax(0, 7fr);
  }

  .page-home .find__way-text {
    grid-column: 3;
  }
}

@media (min-width: 760px) {
  .page-home .steps__panel-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-home .index-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 46px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .week__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-home .versions__grid {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 320px) minmax(0, 1fr);
    align-items: center;
    gap: 34px;
  }

  .page-home .versions__figure {
    order: 0;
  }

  .page-home .versions .ky-section__head {
    max-width: 62%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .steps__panel,
  .page-home .home-chapters__link,
  .page-home .steps__tab {
    animation: none !important;
    transition: none !important;
  }
}