.page-home {
  --home-cut: 16px;
  --home-gap: clamp(1.25rem, 3vw, 2.5rem);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  margin: 0;
  font-family: var(--font-head);
  line-height: 1.14;
  color: var(--mist);
  letter-spacing: -0.01em;
}

.page-home p {
  margin: 0;
}

.page-home ul,
.page-home ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home a {
  color: inherit;
}

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

.page-home .eyebrow {
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .lede {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.page-home .lede__measure {
  max-width: 36em;
}

.page-home .cutpanel {
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%,
    0 var(--home-cut)
  );
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  padding: clamp(1rem, 2.5vw, 1.75rem) 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-home .breadcrumbs ol {
  display: flex;
  gap: 0.5rem;
}

.page-home .breadcrumbs__hint {
  color: var(--signal);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  padding: clamp(1rem, 3vw, 2rem) 0 clamp(2rem, 5vw, 3.5rem);
  align-items: stretch;
}

.page-home .hero__copy {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 2.2vw, 1.5rem);
  justify-content: center;
}

.page-home .hero__title {
  display: grid;
  gap: 0.08em;
  font-size: clamp(2rem, 6.6vw, 4rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.page-home .hero__title span:last-child {
  color: var(--cyan);
}

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

.page-home .hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1.5rem;
  margin: 0;
  padding-top: clamp(1rem, 2vw, 1.5rem);
  border-top: 1px solid var(--line-soft);
}

.page-home .hero__meta dt {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-home .hero__meta dd {
  margin: 0.2rem 0 0;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--signal);
}

.page-home .hero__visual {
  position: relative;
  display: block;
  min-height: 300px;
  overflow: hidden;
  background: linear-gradient(158deg, var(--grad-a) 0%, var(--grad-b) 62%, var(--ink) 100%);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-home .hero__visual:hover,
.page-home .hero__visual:focus-visible {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-home .hero__visual:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .hero__visual-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-home .hero__wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 42%;
  color: var(--cyan);
  opacity: 0.75;
}

.page-home .hero__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.24rem 0.62rem;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-home .hero__go {
  position: absolute;
  left: 1.15rem;
  bottom: 1.15rem;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--mist);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.15rem;
}

.page-home .hero__visual:hover .hero__go {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 第二栏入口 ---------- */
.page-home .entry {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .entry__head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-home .entry__head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  font-weight: 700;
  max-width: 22em;
}

.page-home .entry__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .entry__feature {
  margin: 0;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-soft);
}

.page-home .entry__feature img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.82;
}

.page-home .entry__feature figcaption {
  padding: 1rem 1.15rem 1.25rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .entry__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.page-home .ecard {
  position: relative;
  display: grid;
  gap: 0.45rem;
  padding: 1.2rem 1.1rem 1.35rem;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-home .ecard:hover,
.page-home .ecard:focus-visible {
  border-color: var(--line-strong);
  background: var(--graphite);
  transform: translateY(-2px);
}

.page-home .ecard:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .ecard__idx {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-home .ecard__title {
  font-size: 1.08rem;
  font-weight: 700;
}

.page-home .ecard__body {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .ecard__foot {
  margin-top: 0.15rem;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 适配清单 ---------- */
.page-home .devices {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .devices__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

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

.page-home .devices__title {
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  font-weight: 700;
}

.page-home .devices__figure {
  margin: clamp(0.75rem, 2vw, 1.25rem) 0 0;
}

.page-home .devices__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  opacity: 0.85;
}

.page-home .devices__figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.page-home .devices__list {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-home .dev {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  transition: border-color 0.25s var(--ease);
}

.page-home .dev[open] {
  border-color: var(--line-strong);
}

.page-home .dev__sum {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.95rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-home .dev__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cyan);
}

.page-home .dev[open] .dev__sum::after {
  content: "−";
  color: var(--signal);
}

.page-home .dev__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-home .dev__code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-home .dev__name {
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
}

.page-home .dev__hint {
  font-size: 0.78rem;
  color: var(--muted);
}

.page-home .dev__body {
  padding: 0.9rem 1rem 1.15rem;
  border-top: 1px dashed var(--line-soft);
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .dev__points {
  display: grid;
  gap: 0.35rem;
  margin: 0.8rem 0 0;
}

.page-home .dev__points li {
  position: relative;
  padding-left: 0.95rem;
}

.page-home .dev__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-home .dev__link {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 0.1rem;
}

.page-home .dev__link:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 编号章节 ---------- */
.page-home .sections {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .sections__head {
  display: grid;
  gap: 0.7rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-home .sections__head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  font-weight: 700;
}

.page-home .steps {
  display: grid;
  gap: 0;
}

.page-home .step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  padding: clamp(1.25rem, 3vw, 2rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .step__num {
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 0.9;
  color: var(--cyan);
}

.page-home .step__body {
  display: grid;
  gap: 0.45rem;
}

.page-home .step__body h3 {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 700;
}

.page-home .step__body p {
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--muted);
  max-width: 46em;
}

/* ---------- 年度归档 ---------- */
.page-home .archive {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .archive__head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-home .archive__head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  font-weight: 700;
}

.page-home .archive__stage {
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--panel);
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%,
    0 var(--home-cut)
  );
}

.page-home .archive__stage img {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  opacity: 0.78;
}

.page-home .years {
  display: flex;
  gap: 0.75rem;
  margin-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: 0.9rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan) var(--graphite);
}

.page-home .years::-webkit-scrollbar {
  height: 6px;
}

.page-home .years::-webkit-scrollbar-track {
  background: var(--graphite);
}

.page-home .years::-webkit-scrollbar-thumb {
  background: var(--cyan);
}

.page-home .years__item {
  flex: 0 0 clamp(9.5rem, 22vw, 12.5rem);
  scroll-snap-align: start;
  scroll-margin-top: 6rem;
}

.page-home .years__link {
  display: grid;
  gap: 0.3rem;
  align-content: start;
  min-height: 8.5rem;
  padding: 1rem 0.95rem 1.15rem;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--graphite);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .years__link:hover,
.page-home .years__link:focus-visible {
  border-color: var(--line-strong);
  border-top-color: var(--signal);
  transform: translateY(-2px);
}

.page-home .years__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .years__year {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--signal);
}

.page-home .years__count {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .years__note {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 咨询支持 ---------- */
.page-home .support {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(1rem, 3vw, 2rem);
  border-top: 1px solid var(--line-soft);
}

.page-home .support__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background: linear-gradient(148deg, var(--grad-a) 0%, var(--grad-b) 70%, var(--ink) 100%);
  border: 1px solid var(--line);
}

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

.page-home .support__lead h2 {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 700;
}

.page-home .support__lead p {
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--muted);
  max-width: 40em;
}

.page-home .support__lead .signal-btn {
  justify-self: start;
  margin-top: 0.35rem;
}

.page-home .support__dl {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  align-content: start;
}

.page-home .support__dl dt {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .support__dl dd {
  margin: 0.15rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .entry__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-home .hero {
    grid-template-columns: 7fr 5fr;
    gap: clamp(1.5rem, 3vw, 3rem);
    align-items: stretch;
  }

  .page-home .hero__visual {
    min-height: 480px;
  }

  .page-home .entry__layout {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .devices__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(1.75rem, 4vw, 3rem);
    align-items: start;
  }

  .page-home .step {
    grid-template-columns: 5rem minmax(0, 15rem) minmax(0, 1fr);
    align-items: baseline;
    gap: 1.5rem 2rem;
  }

  .page-home .step__num {
    grid-column: 1;
  }

  .page-home .step__body {
    grid-column: 2 / -1;
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
    gap: 2rem;
    align-items: baseline;
  }

  .page-home .support__panel {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-home .hero__visual {
    min-height: 540px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__visual,
  .page-home .ecard,
  .page-home .years__link {
    transition: none;
  }

  .page-home .hero__visual:hover,
  .page-home .ecard:hover,
  .page-home .years__link:hover {
    transform: none;
  }
}