.page-home {
  --home-rule: rgba(11, 29, 42, 0.14);
  --home-rule-light: rgba(245, 242, 234, 0.18);
  --home-glow: rgba(201, 164, 92, 0.38);
  background: var(--ink);
  color: var(--frost);
}

.page-home .home-sec {
  padding-block: clamp(2.75rem, 7vw, 5.5rem);
}

.page-home .home-sec--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-home .home-sec--frost {
  background: var(--frost);
  color: var(--ink);
}

.page-home .home-sec--ink {
  background: var(--ink);
  color: var(--frost);
}

.page-home .home-sec--ink2 {
  background: var(--ink-2);
  color: var(--frost);
}

.page-home .home-sec--paper .eyebrow,
.page-home .home-sec--frost .eyebrow {
  color: var(--gold-dim);
}

.page-home .home-head {
  display: grid;
  gap: 0.7rem;
  max-width: 60ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-home .home-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.35rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.page-home .home-head p:last-child {
  margin: 0;
  max-width: 54ch;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--slate);
}

.page-home .home-sec--ink .home-head p:last-child,
.page-home .home-sec--ink2 .home-head p:last-child {
  color: rgba(245, 242, 234, 0.78);
}

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

.page-home .home-cover__figure .figure__caption,
.page-home .home-start__figure .figure__caption,
.page-home .home-revisit__figure .figure__caption {
  color: rgba(245, 242, 234, 0.55);
}

@keyframes ph-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 首屏封面 ---------- */
.page-home .home-cover {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.25rem, 6vw, 4.5rem) clamp(2.75rem, 7vw, 5.5rem);
  background:
    radial-gradient(130% 100% at 8% -10%, rgba(201, 164, 92, 0.18), transparent 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink) 62%, #0e2434 100%);
}

.page-home .home-cover::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: min(60vw, 720px);
  aspect-ratio: 1;
  background: repeating-radial-gradient(circle at 50% 50%, transparent 0 34px, rgba(201, 164, 92, 0.09) 34px 35px);
  -webkit-mask-image: radial-gradient(circle, #000 8%, transparent 68%);
  mask-image: radial-gradient(circle, #000 8%, transparent 68%);
  pointer-events: none;
}

.page-home .home-cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .home-cover__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 6.2vw, 4.3rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-home .home-cover__lede {
  margin: 1.15rem 0 0;
  max-width: 46ch;
  font-family: var(--font-body);
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
  line-height: 1.9;
  color: rgba(245, 242, 234, 0.82);
}

.page-home .home-cover__lede .mono {
  color: var(--gold);
  font-size: 0.95em;
}

.page-home .home-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-home .home-cover__figure {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-home .home-index {
  padding-top: 1.1rem;
  border-top: 1px solid var(--home-glow);
}

.page-home .home-index__label {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--gold-dim);
}

.page-home .home-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-home .home-index__link {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  align-items: baseline;
  padding: 0.68rem 0.15rem;
  border-bottom: 1px solid rgba(245, 242, 234, 0.1);
  color: var(--frost);
  font-family: var(--font-ui);
  font-size: 0.92rem;
  text-decoration: none;
  transition: color 0.25s ease, padding-left 0.25s ease, border-color 0.25s ease;
}

.page-home .home-index__link .mono {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(201, 164, 92, 0.7);
  transition: color 0.25s ease;
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  color: var(--gold);
  padding-left: 0.45rem;
  border-color: var(--home-glow);
}

.page-home .home-index__link:hover .mono,
.page-home .home-index__link:focus-visible .mono,
.page-home .home-index__link[aria-current="true"] .mono {
  color: var(--gold);
}

.page-home .home-index__link[aria-current="true"] {
  color: var(--gold);
  border-color: var(--home-glow);
}

.page-home .home-index__note {
  margin: 1rem 0 0;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  line-height: 1.7;
  color: rgba(245, 242, 234, 0.6);
}

/* ---------- 更新公告折叠条 ---------- */
.page-home .home-updates__layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .home-updates__aside {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.page-home .home-updates__more {
  justify-self: start;
  padding-bottom: 0.2rem;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--gold-dim);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 116, 66, 0.45);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-home .home-updates__more:hover,
.page-home .home-updates__more:focus-visible {
  color: var(--ink);
  border-color: var(--ink);
}

.page-home .update {
  background: var(--frost);
  border: 1px solid var(--home-rule);
  border-radius: var(--r-md);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-home .update + .update {
  margin-top: 0.6rem;
}

.page-home .update[open] {
  border-color: rgba(201, 164, 92, 0.85);
  box-shadow: 0 18px 36px -30px rgba(11, 29, 42, 0.9);
}

.page-home .update__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.7rem;
  padding: 0.9rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
}

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

.page-home .update__title {
  flex: 1 1 14rem;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
}

.page-home .update__meta {
  margin-left: auto;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-home .update__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--gold-dim);
}

.page-home .update[open] .update__summary::after {
  content: "–";
}

.page-home .update__body {
  padding: 0.85rem 1.05rem 1.1rem;
  border-top: 1px dashed rgba(11, 29, 42, 0.16);
  font-family: var(--font-body);
  font-size: 0.93rem;
  line-height: 1.85;
  color: #2c3b44;
  animation: ph-fade 0.3s ease both;
}

.page-home .update__body p {
  margin: 0;
}

.page-home .update__link {
  display: inline-block;
  margin-top: 0.65rem;
  font-family: var(--font-ui);
  font-size: 0.84rem;
  color: var(--gold-dim);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 116, 66, 0.45);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-home .update__link:hover,
.page-home .update__link:focus-visible {
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- 三步上手 ---------- */
.page-home .home-start__top {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

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

.page-home .home-start__steps {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
}

.page-home .step {
  border-top: 1px solid var(--home-rule-light);
}

.page-home .step:last-child {
  border-bottom: 1px solid var(--home-rule-light);
}

.page-home .step__summary {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 1.05rem 0.25rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
}

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

.page-home .step__num {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .step__name {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 400;
  color: var(--frost);
}

.page-home .step__mark {
  position: relative;
  width: 1.9rem;
  height: 1.9rem;
  border: 1px solid rgba(201, 164, 92, 0.5);
  border-radius: 50%;
}

.page-home .step__mark::before,
.page-home .step__mark::after {
  content: "";
  position: absolute;
  inset: 50% 26% auto;
  height: 1px;
  background: var(--gold);
  transform: translateY(-50%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.page-home .step__mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-home .step__card[open] .step__mark::after {
  opacity: 0;
  transform: translateY(-50%) rotate(0deg);
}

.page-home .step__body {
  max-width: 68ch;
  padding: 0 0.25rem 1.35rem 4.5rem;
  font-family: var(--font-body);
  font-size: 0.96rem;
  line-height: 1.9;
  color: rgba(245, 242, 234, 0.8);
  animation: ph-fade 0.3s ease both;
}

.page-home .step__body p {
  margin: 0 0 0.7rem;
}

.page-home .step__link {
  display: inline-block;
  margin-top: 0.25rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 164, 92, 0.45);
}

.page-home .step__link:hover,
.page-home .step__link:focus-visible {
  color: var(--frost);
  border-color: var(--frost);
}

/* ---------- 记录与对照 ---------- */
.page-home .home-records__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .home-records__intro h2 {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.25rem);
  font-weight: 500;
  line-height: 1.25;
}

.page-home .home-records__intro > p {
  margin: 0 0 1.25rem;
  max-width: 46ch;
  font-family: var(--font-body);
  line-height: 1.85;
  color: var(--slate);
}

.page-home .home-records__facts {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.88rem;
}

.page-home .home-records__facts li {
  position: relative;
  padding-left: 1.1rem;
  line-height: 1.7;
}

.page-home .home-records__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-home .home-records__facts .mono {
  font-size: 1rem;
  color: var(--gold-dim);
}

.page-home .home-records__switch {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem;
  border: 1px solid var(--home-rule);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.6);
}

.page-home .home-records__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-home .home-records__tab {
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 0.86rem;
  color: var(--slate);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}

.page-home #view-log:checked + .home-records__tab,
.page-home #view-compare:checked + .home-records__tab {
  background: var(--ink);
  color: var(--frost);
}

.page-home #view-log:focus-visible + .home-records__tab,
.page-home #view-compare:focus-visible + .home-records__tab {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-home .home-records__panel {
  display: none;
  flex: 1 0 100%;
  animation: ph-fade 0.3s ease both;
}

.page-home #view-log:checked ~ .home-records__panel--log,
.page-home #view-compare:checked ~ .home-records__panel--cmp {
  display: block;
}

.page-home .home-records__scroll {
  overflow-x: auto;
  border-radius: var(--r-sm);
}

.page-home .home-records__table {
  width: 100%;
  min-width: 30rem;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.84rem;
}

.page-home .home-records__table caption {
  padding: 0.5rem 0.2rem 0.7rem;
  text-align: left;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-home .home-records__table th,
.page-home .home-records__table td {
  padding: 0.62rem 0.7rem;
  text-align: left;
  border-bottom: 1px solid rgba(11, 29, 42, 0.12);
  line-height: 1.55;
}

.page-home .home-records__table thead th {
  background: var(--ink-2);
  color: var(--frost);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.page-home .home-records__table tbody tr:nth-child(even) {
  background: rgba(191, 211, 203, 0.18);
}

.page-home .home-records__table .mono {
  color: var(--gold-dim);
}

/* ---------- 苹果回访 ---------- */
.page-home .home-revisit__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-home .home-revisit__text h2 {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height: 1.2;
}

.page-home .home-revisit__text > p {
  margin: 0 0 1.5rem;
  max-width: 48ch;
  font-family: var(--font-body);
  line-height: 1.9;
  color: rgba(245, 242, 234, 0.8);
}

.page-home .home-revisit__list {
  margin: 0 0 1.75rem;
  display: grid;
  gap: 0.9rem;
}

.page-home .home-revisit__list div {
  display: grid;
  gap: 0.2rem;
  padding-left: 1rem;
  border-left: 1px solid rgba(201, 164, 92, 0.4);
}

.page-home .home-revisit__list dt {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-home .home-revisit__list dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(245, 242, 234, 0.78);
}

.page-home .home-revisit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

/* ---------- 继续阅读 ---------- */
.page-home .home-more__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .home-more__head h2 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 500;
  line-height: 1.25;
}

.page-home .home-more__grid {
  display: grid;
  gap: 0.15rem;
}

.page-home .home-more__item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) auto;
  grid-template-areas:
    "no name arrow"
    ". desc arrow";
  align-items: baseline;
  gap: 0.2rem 0.5rem;
  padding: 1.15rem 0.25rem;
  border-bottom: 1px solid var(--home-rule);
  color: var(--ink);
  text-decoration: none;
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.page-home .home-more__no {
  grid-area: no;
  font-size: 0.75rem;
  color: var(--gold-dim);
}

.page-home .home-more__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.page-home .home-more__desc {
  grid-area: desc;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-home .home-more__arrow {
  grid-area: arrow;
  align-self: center;
  font-family: var(--font-mono);
  color: var(--gold-dim);
  transition: transform 0.25s ease, color 0.25s ease;
}

.page-home .home-more__item:hover,
.page-home .home-more__item:focus-visible {
  padding-left: 0.6rem;
  color: var(--gold-dim);
}

.page-home .home-more__item:hover .home-more__arrow,
.page-home .home-more__item:focus-visible .home-more__arrow {
  transform: translateX(4px);
  color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .home-more__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(1.5rem, 4vw, 3.5rem);
  }
}

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

  .page-home .home-updates__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

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

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

  .page-home .home-revisit__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (max-width: 719px) {
  .page-home .step__summary {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "num mark"
      "name mark";
    align-items: center;
  }

  .page-home .step__num {
    grid-area: num;
  }

  .page-home .step__name {
    grid-area: name;
  }

  .page-home .step__mark {
    grid-area: mark;
  }

  .page-home .step__body {
    padding-left: 0.25rem;
  }

  .page-home .home-more__item {
    grid-template-columns: 2.25rem minmax(0, 1fr) auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .update__body,
  .page-home .step__body,
  .page-home .home-records__panel {
    animation: none;
  }

  .page-home .home-index__link,
  .page-home .home-more__item,
  .page-home .home-more__arrow,
  .page-home .step__mark::after {
    transition: none;
  }
}