.page-home {
  --home-line: rgba(20, 16, 14, 0.14);
  --home-muted: rgba(20, 16, 14, 0.66);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-block: 2.25rem 2.75rem;
  border-bottom: 1px solid var(--ink);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(
    112deg,
    rgba(224, 89, 31, 0.08) 0 12px,
    rgba(224, 89, 31, 0) 12px 46px
  );
  overflow: hidden;
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.75rem;
}

.page-home .hero__title {
  margin: 0.55rem 0 0;
  font-size: clamp(2.15rem, 7.2vw, 4.6rem);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.02em;
  transform: skewX(-2.5deg);
  transform-origin: left bottom;
}

.page-home .hero__title .accent {
  color: var(--orange);
  -webkit-text-stroke: 1px var(--ink);
  text-shadow: 4px 4px 0 rgba(20, 16, 14, 0.12);
}

.page-home .hero__lede {
  margin: 1.1rem 0 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.page-home .hero__specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.6rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--home-line);
}

.page-home .spec dt {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--home-muted);
}

.page-home .spec dd {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--teal);
}

.page-home .hero__note {
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.page-home .hero__note .version-chip {
  justify-self: start;
}

.page-home .hero__note-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--home-muted);
}

.page-home .hero__figure {
  margin: 0;
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 var(--paper-shadow);
  background: var(--night);
  overflow: hidden;
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* ---------- 三步引导 + 公告侧栏 ---------- */
.page-home .flow {
  padding-block: 2.5rem 3rem;
  background: var(--paper-light);
  border-bottom: 1px solid var(--ink);
}

.page-home .flow__grid {
  display: grid;
  gap: 2rem;
}

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

.page-home .section-head h2 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(1.5rem, 3.6vw, 2.5rem);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-home .section-head p {
  margin: 0;
  max-width: 34em;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .steps {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.4rem;
}

.page-home .step {
  position: relative;
  padding-top: 1rem;
  border-top: 2px solid var(--ink);
}

.page-home .step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 32%;
  height: 2px;
  background: var(--orange);
  transition: width 0.25s var(--ease);
}

.page-home .step:hover::before,
.page-home .step:focus-within::before {
  width: 100%;
}

.page-home .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--teal);
}

.page-home .step h3 {
  margin: 0.6rem 0 0.4rem;
  font-size: 1.1rem;
  font-weight: 900;
}

.page-home .step > p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--home-muted);
}

.page-home .step__more {
  margin-top: 0.75rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--home-line);
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--home-muted);
}

.page-home .step__more p {
  margin: 0 0 0.45rem;
}

.page-home .step__link {
  font-size: 0.84rem;
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .flow__figure {
  margin: 1.75rem 0 0;
  border: 1px solid var(--ink);
  box-shadow: 5px 5px 0 var(--paper-shadow);
  background: var(--night);
  overflow: hidden;
}

.page-home .flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.page-home .announcer {
  padding: 1.1rem 1.1rem 1.25rem;
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--paper-shadow);
}

.page-home .announcer h2 {
  margin: 0.35rem 0 0.9rem;
  font-size: 1.05rem;
  font-weight: 900;
}

.page-home .announcer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-home .anno {
  display: grid;
  gap: 0.3rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--home-line);
}

.page-home .anno:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .anno__tag {
  justify-self: start;
  padding: 0.15rem 0.4rem;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.page-home .anno__tag--version {
  color: var(--teal);
}

.page-home .anno__tag--adjust {
  color: var(--orange-deep);
}

.page-home .anno__tag--gift {
  color: var(--gold);
}

.page-home .anno__link {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ink);
  text-decoration: none;
}

.page-home .anno__link:hover {
  color: var(--orange-deep);
}

.page-home .anno__time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--home-muted);
}

.page-home .announcer__meta {
  margin: 1rem 0 0.8rem;
  font-size: 0.78rem;
  color: var(--home-muted);
}

/* ---------- 桌面端产品 ---------- */
.page-home .lines {
  padding-block: 2.75rem 3rem;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}

.page-home .lines__grid {
  display: grid;
  gap: 1.75rem;
}

.page-home .lines__intro h2 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-home .lines__intro > p {
  margin: 0;
  max-width: 32em;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .lines__figure {
  margin: 1.5rem 0 1.1rem;
  border: 1px solid var(--ink);
  box-shadow: 5px 5px 0 var(--paper-shadow);
  background: var(--night);
  overflow: hidden;
}

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

.page-home .tiers {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .tier {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.2rem 1rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--home-line);
}

.page-home .tier:last-child {
  border-bottom: 1px solid var(--home-line);
}

.page-home .tier__num {
  grid-row: span 3;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--orange);
  transition: color 0.18s var(--ease);
}

.page-home .tier:hover .tier__num {
  color: var(--gold);
}

.page-home .tier h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 900;
}

.page-home .tier__who {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.page-home .tier p:last-child {
  margin: 0.1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--home-muted);
}

/* ---------- 运行状态 ---------- */
.page-home .status {
  padding-block: 2.75rem 3rem;
  background: var(--night);
  color: var(--paper-light);
}

.page-home .status .eyebrow {
  color: var(--teal-soft);
}

.page-home .status h2 {
  margin: 0.4rem 0 0.6rem;
  max-width: 20em;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-home .status__head p {
  margin: 0;
  max-width: 34em;
  line-height: 1.75;
  color: rgba(255, 251, 244, 0.72);
}

.page-home .lights {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-home .light {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(127, 198, 208, 0.35);
  border-radius: var(--radius);
  background: rgba(255, 251, 244, 0.04);
}

.page-home .light__dot {
  flex: none;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(47, 125, 79, 0.22);
}

.page-home .light__name {
  font-size: 0.92rem;
}

.page-home .light__state {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teal-soft);
}

.page-home .support {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.5rem;
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 251, 244, 0.18);
}

.page-home .support dt {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(255, 251, 244, 0.6);
}

.page-home .support dd {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--gold);
}

/* ---------- 礼包码 ---------- */
.page-home .gift {
  padding-block: 2.75rem 3rem;
  border-bottom: 1px solid var(--ink);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(
    112deg,
    rgba(217, 162, 39, 0.08) 0 10px,
    rgba(217, 162, 39, 0) 10px 40px
  );
}

.page-home .gift__grid {
  display: grid;
  gap: 1.75rem;
}

.page-home .gift__card {
  padding: 1.4rem 1.25rem 1.5rem;
  background: var(--paper-light);
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 rgba(217, 162, 39, 0.3);
}

.page-home .gift__card h2 {
  margin: 0.4rem 0 0.7rem;
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-home .gift__card > p {
  margin: 0;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .gift__rules {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-home .gift__rules li {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-home .gift__rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.35rem;
  height: 0.35rem;
  background: var(--gold);
}

.page-home .gift__rules .mono {
  color: var(--orange-deep);
}

.page-home .gift__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

.page-home .gift__card > .gift__note {
  margin: 0.9rem 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
}

.page-home .gift__figure {
  margin: 0;
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(217, 162, 39, 0.35);
  background: var(--night);
  overflow: hidden;
}

.page-home .gift__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 高频问题 ---------- */
.page-home .faq {
  padding-block: 2.75rem 3rem;
  background: var(--paper-light);
}

.page-home .faq__grid {
  display: grid;
  gap: 1.75rem;
}

.page-home .faq__intro h2 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-home .faq__intro p {
  margin: 0 0 1.2rem;
  max-width: 30em;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .qa {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .qa__item {
  padding: 1.1rem 0;
  border-top: 1px solid var(--home-line);
}

.page-home .qa__item:last-child {
  border-bottom: 1px solid var(--home-line);
}

.page-home .qa__item h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 900;
}

.page-home .qa__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .faq__tail {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--home-line);
}

.page-home .faq__tail p {
  margin: 0;
  max-width: 52em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--home-muted);
}

.page-home .faq__tail a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-home .step__more {
    max-height: 0;
    padding-top: 0;
    border-top-color: transparent;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.25s var(--ease), opacity 0.2s var(--ease),
      padding-top 0.25s var(--ease);
  }

  .page-home .step:hover .step__more,
  .page-home .step:focus-within .step__more {
    max-height: 12rem;
    padding-top: 0.7rem;
    border-top-color: var(--home-line);
    opacity: 1;
  }

  .page-home .lights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .hero {
    padding-block: 3rem 3.5rem;
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 3rem;
    align-items: start;
  }

  .page-home .hero__note {
    padding-left: 1.5rem;
    border-left: 1px solid var(--home-line);
  }

  .page-home .hero::after {
    content: "";
    position: absolute;
    top: -10rem;
    right: -8rem;
    width: 30rem;
    height: 30rem;
    border: 1px solid rgba(20, 16, 14, 0.1);
    transform: rotate(14deg);
    pointer-events: none;
  }

  .page-home .flow__grid {
    grid-template-columns: minmax(0, 9fr) minmax(0, 3fr);
    gap: 3rem;
    align-items: start;
  }

  .page-home .announcer {
    position: sticky;
    top: calc(var(--bar-h) + 1.25rem);
  }

  .page-home .lines__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3rem;
    align-items: start;
  }

  .page-home .gift__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2.5rem;
    align-items: center;
  }

  .page-home .faq__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 3rem;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .step,
  .page-home .step::before,
  .page-home .step__more,
  .page-home .tier__num {
    transition: none;
  }
}