.page-home {
  display: block;
  background: var(--mq-snow);
  color: var(--mq-night);
  overflow-x: clip;
}

.page-home .ph-index,
.page-home .ph-fee,
.page-home .ph-switch,
.page-home .ph-updates {
  padding: 56px 0;
}

/* ============ 首屏 ============ */

.page-home .ph-hero {
  position: relative;
  padding: 40px 0 84px;
  background: var(--mq-grad-night);
  isolation: isolate;
}

.page-home .ph-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(247, 250, 252, 0) 0%, var(--mq-snow) 100%);
  pointer-events: none;
  z-index: 0;
}

.page-home .ph-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-home .ph-hero__ctx {
  margin: 0 0 18px;
  color: var(--mq-ice-pale);
}

.page-home .ph-hero__title {
  margin: 0 0 18px;
  max-width: 18ch;
  font-size: clamp(2.05rem, 8vw, 4.1rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--mq-snow);
  overflow-wrap: break-word;
}

.page-home .ph-hero__lead {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.78;
  color: rgba(247, 250, 252, 0.78);
}

.page-home .ph-hero__note {
  margin: 0 0 20px;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--mq-ice-pale);
}

.page-home .ph-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-home .ph-jump a {
  position: relative;
  padding-bottom: 4px;
  font-size: 0.875rem;
  color: rgba(247, 250, 252, 0.82);
  text-decoration: none;
  transition: color 0.18s var(--mq-ease);
}

.page-home .ph-jump a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--mq-signal);
  transition: width 0.2s var(--mq-ease);
}

.page-home .ph-jump a:hover,
.page-home .ph-jump a:focus-visible {
  color: var(--mq-snow);
}

.page-home .ph-jump a:hover::after,
.page-home .ph-jump a:focus-visible::after {
  width: 100%;
}

.page-home .ph-jump a:focus-visible {
  outline: 2px solid var(--mq-ice-pale);
  outline-offset: 3px;
}

/* 价格块 */

.page-home .ph-price {
  display: grid;
  gap: 10px;
  padding: 24px 24px 26px;
  border: 1px solid rgba(111, 182, 204, 0.45);
  border-radius: var(--mq-radius);
  background: linear-gradient(155deg, #FFFFFF 0%, #E9F2F7 100%);
  box-shadow: var(--mq-shadow-2);
  color: var(--mq-night);
  text-decoration: none;
  transition: transform 0.2s var(--mq-ease), box-shadow 0.2s var(--mq-ease);
}

.page-home .ph-price:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(11, 22, 32, 0.08), 0 24px 48px rgba(10, 79, 101, 0.22);
}

.page-home .ph-price:focus-visible {
  outline: 2px solid var(--mq-ice);
  outline-offset: 2px;
}

.page-home .ph-price__label {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mq-slate);
}

.page-home .ph-price__figure {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.15em;
  justify-self: start;
  padding-bottom: 12px;
}

.page-home .ph-price__figure::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--mq-signal);
}

.page-home .ph-price__num {
  font-size: clamp(3.2rem, 16vw, 5.6rem);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: 0.04em;
  color: var(--mq-ice-deep);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-price__unit {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--mq-signal-deep);
}

.page-home .ph-price__note {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--mq-slate);
}

.page-home .ph-price__go {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 700;
  color: var(--mq-signal-deep);
  border-bottom: 1px solid currentColor;
}

.page-home .ph-hero__media {
  margin: 0;
}

.page-home .ph-hero__media .mq-figure__frame {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid rgba(111, 182, 204, 0.35);
  border-radius: var(--mq-radius);
  background: var(--mq-grad-night);
}

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

/* ============ 数据条 ============ */

.page-home .ph-stats {
  border-top: 1px solid var(--mq-line-soft);
  border-bottom: 1px solid var(--mq-line-soft);
  background: #FFFFFF;
}

.page-home .ph-stats__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 14px;
  padding-top: 26px;
  padding-bottom: 26px;
}

.page-home .ph-stats__item {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-home .ph-stats__num {
  font-size: clamp(1.6rem, 5vw, 2.15rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--mq-ice-deep);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-stats__unit {
  margin-left: 2px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mq-signal-deep);
}

.page-home .ph-stats__label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mq-slate);
}

/* ============ 章节骨架 ============ */

.page-home .ph-chapter {
  display: grid;
  gap: 18px;
}

.page-home .ph-marker {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 0 0 10px 12px;
  border-left: 2px solid var(--mq-signal);
}

.page-home .ph-marker__no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--mq-signal-deep);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-marker__name {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mq-slate);
}

.page-home .ph-chapter__body {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

.page-home .ph-chapter__body > h2 {
  margin: 0;
  max-width: 26ch;
  overflow-wrap: break-word;
}

.page-home .ph-chapter__body p:not([class]) {
  margin: 0;
  max-width: 64ch;
  line-height: 1.78;
  color: var(--mq-slate);
}

.page-home .ph-chapter__body .ph-lead {
  max-width: 60ch;
}

/* ============ 索引带 ============ */

.page-home .ph-band {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .ph-band::-webkit-scrollbar {
  height: 4px;
}

.page-home .ph-band::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background: var(--mq-ice-pale);
}

.page-home .ph-band__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border: 1px solid var(--mq-line);
  border-radius: 999px;
  background: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--mq-ice-deep);
  text-decoration: none;
  transition: border-color 0.18s var(--mq-ease), box-shadow 0.18s var(--mq-ease);
}

.page-home .ph-band__item::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mq-line);
  transition: background 0.18s var(--mq-ease);
}

.page-home .ph-band__item:hover {
  border-color: var(--mq-ice-pale);
  box-shadow: var(--mq-shadow-1);
}

.page-home .ph-band__item:hover::after {
  background: var(--mq-signal);
}

.page-home .ph-band__item:focus-visible {
  outline: 2px solid var(--mq-ice);
  outline-offset: 2px;
}

/* ============ 索引章节下半 ============ */

.page-home .ph-index__split {
  display: grid;
  gap: 22px;
}

.page-home .ph-index__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--mq-line);
  border-radius: var(--mq-radius);
  box-shadow: var(--mq-shadow-1);
}

.page-home .ph-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .ph-sorts {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .ph-sorts__item {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 6px;
  border-bottom: 1px solid var(--mq-line-soft);
  transition: padding-left 0.18s var(--mq-ease);
}

.page-home .ph-sorts__item:first-child {
  border-top: 1px solid var(--mq-line-soft);
}

.page-home .ph-sorts__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 0;
  background: var(--mq-signal);
  transform: translateY(-50%);
  transition: height 0.18s var(--mq-ease);
}

.page-home .ph-sorts__item:hover {
  padding-left: 18px;
}

.page-home .ph-sorts__item:hover::before {
  height: 26px;
}

.page-home .ph-sorts__no {
  padding-top: 5px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--mq-ice-pale);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-sorts__item h3 {
  margin: 0 0 6px;
}

.page-home .ph-sorts__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--mq-slate);
}

/* ============ 夜景色带 ============ */

.page-home .ph-strip {
  position: relative;
  margin: 0;
  background: var(--mq-night);
  overflow: hidden;
}

.page-home .ph-strip img {
  display: block;
  width: 100%;
  height: clamp(210px, 30vw, 360px);
  object-fit: cover;
  opacity: 0.82;
}

.page-home .ph-strip__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 44px 0 20px;
  background: linear-gradient(180deg, rgba(11, 22, 32, 0) 0%, rgba(11, 22, 32, 0.86) 100%);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--mq-snow);
}

.page-home .ph-strip__cap .mq-shell {
  display: block;
}

/* ============ 费用与版本 ============ */

.page-home .ph-fee {
  background: linear-gradient(180deg, rgba(220, 233, 240, 0.62) 0%, rgba(247, 250, 252, 0) 100%);
}

.page-home .ph-fee__split {
  display: grid;
  gap: 26px;
}

.page-home .ph-fee__text {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .ph-fee__text p:not([class]) {
  margin: 0;
  max-width: 60ch;
  line-height: 1.78;
  color: var(--mq-slate);
}

.page-home .ph-fee__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 4px 0 0;
}

.page-home .ph-fee__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--mq-line-dark);
  border-radius: var(--mq-radius);
  box-shadow: var(--mq-shadow-2);
}

.page-home .ph-fee__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* ============ 换设备 ============ */

.page-home .ph-devices {
  display: grid;
  gap: 14px;
}

.page-home .ph-devices__item {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 20px 18px 22px;
  border: 1px solid var(--mq-line);
  border-radius: var(--mq-radius);
  background: #FFFFFF;
  box-shadow: var(--mq-shadow-1);
  transition: transform 0.18s var(--mq-ease), box-shadow 0.18s var(--mq-ease);
}

.page-home .ph-devices__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--mq-shadow-2);
}

.page-home .ph-devices__item .mq-tag {
  justify-self: start;
}

.page-home .ph-devices__item h3 {
  margin: 0;
}

.page-home .ph-devices__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--mq-slate);
}

/* ============ 本期更新 ============ */

.page-home .ph-log {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .ph-log__item {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 16px 6px;
  border-bottom: 1px solid var(--mq-line-soft);
  transition: padding-left 0.18s var(--mq-ease);
}

.page-home .ph-log__item:first-child {
  border-top: 1px solid var(--mq-line-soft);
}

.page-home .ph-log__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 0;
  background: var(--mq-signal);
  transform: translateY(-50%);
  transition: height 0.18s var(--mq-ease);
}

.page-home .ph-log__item:hover {
  padding-left: 18px;
}

.page-home .ph-log__item:hover::before {
  height: 24px;
}

.page-home .ph-log__no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--mq-ice);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-log__item p {
  margin: 0;
  line-height: 1.72;
  color: var(--mq-night);
}

.page-home .ph-doors {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-home .ph-door {
  display: grid;
  gap: 6px;
  padding: 18px 18px 20px;
  border: 1px solid var(--mq-line);
  border-left: 3px solid var(--mq-ice);
  border-radius: var(--mq-radius);
  background: #FFFFFF;
  color: inherit;
  text-decoration: none;
  transition: border-left-color 0.18s var(--mq-ease), transform 0.18s var(--mq-ease), box-shadow 0.18s var(--mq-ease);
}

.page-home .ph-door:hover {
  transform: translateY(-2px);
  border-left-color: var(--mq-signal);
  box-shadow: var(--mq-shadow-1);
}

.page-home .ph-door:focus-visible {
  outline: 2px solid var(--mq-ice);
  outline-offset: 2px;
}

.page-home .ph-door__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--mq-ice-deep);
}

.page-home .ph-door__note {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--mq-slate);
}

/* ============ 进入视口动效 ============ */

.page-home [data-reveal].is-in {
  animation: ph-rise 0.5s var(--mq-ease) both;
}

@keyframes ph-rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal].is-in {
    animation: none;
  }
  .page-home .ph-price,
  .page-home .ph-band__item,
  .page-home .ph-door,
  .page-home .ph-devices__item,
  .page-home .ph-sorts__item,
  .page-home .ph-log__item {
    transition: none;
  }
}

/* ============ 断点 ============ */

@media (min-width: 700px) {
  .page-home .ph-doors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .ph-stats__inner {
    gap: 22px 20px;
  }
}

@media (min-width: 780px) {
  .page-home .ph-stats__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .ph-devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-home .ph-index__split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-home .ph-fee__split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .ph-index,
  .page-home .ph-fee,
  .page-home .ph-switch,
  .page-home .ph-updates {
    padding: 88px 0;
  }

  .page-home .ph-hero {
    padding: 64px 0 130px;
  }

  .page-home .ph-hero::after {
    height: 150px;
  }

  .page-home .ph-hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 24px;
    row-gap: 30px;
    align-items: start;
  }

  .page-home .ph-hero__intro {
    grid-column: 1 / 8;
    grid-row: 1;
    align-self: end;
  }

  .page-home .ph-hero__media {
    grid-column: 8 / 13;
    grid-row: 1 / 3;
    align-self: stretch;
  }

  .page-home .ph-hero__media .mq-figure__frame {
    height: 100%;
    min-height: 380px;
    aspect-ratio: auto;
  }

  .page-home .ph-price {
    grid-column: 3 / 8;
    grid-row: 2;
  }

  .page-home .ph-chapter {
    grid-template-columns: 170px minmax(0, 1fr);
    column-gap: 48px;
    align-items: start;
  }

  .page-home .ph-marker {
    position: sticky;
    top: 84px;
    flex-direction: column;
    gap: 6px;
    padding: 2px 0 0 12px;
  }
}

@media (min-width: 1040px) {
  .page-home .ph-doors {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}