.page-home {
  --home-gap: clamp(18px, 3.5vw, 34px);
  --home-inner: clamp(20px, 3vw, 30px);
  background: var(--ink-900);
  color: var(--mist);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px) 0 clamp(46px, 7vw, 92px);
}

.page-home .hero-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
}

.page-home .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 24% 42%, rgba(38, 224, 214, 0.14), transparent 46%),
    linear-gradient(180deg, rgba(7, 17, 31, 0.55), rgba(7, 17, 31, 0.97));
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .hero-head h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: #ffffff;
  max-width: 22ch;
}

.page-home .hero-lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 环形入口 ---------- */
.page-home .orbit {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 24%, rgba(38, 224, 214, 0.16), transparent 58%),
    var(--ink-800);
  overflow: hidden;
}

.page-home .orbit-core {
  display: block;
  padding: 18px 20px 18px 22px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--orange);
  background: var(--paper);
  color: var(--paper-ink);
  text-decoration: none;
  box-shadow:
    0 0 0 1px rgba(38, 224, 214, 0.45),
    0 0 0 7px rgba(38, 224, 214, 0.07),
    var(--shadow-deep);
  transition: box-shadow 0.3s ease;
}

.page-home .orbit-core:hover,
.page-home .orbit-core:focus-visible {
  box-shadow:
    0 0 0 1px var(--cyan),
    0 0 0 12px rgba(38, 224, 214, 0.1),
    var(--shadow-deep);
}

.page-home .orbit-core-kicker {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--wine);
}

.page-home .orbit-core-title {
  display: block;
  margin-top: 6px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-home .orbit-core-text {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(42, 27, 22, 0.78);
}

.page-home .orbit-core-meta {
  display: block;
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--violet);
}

.page-home .orbit-core-go {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--paper-ink);
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
}

.page-home .orbit-node {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(7, 17, 31, 0.88);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.page-home .orbit-node:hover,
.page-home .orbit-node:focus-visible {
  border-color: var(--cyan);
  color: #ffffff;
  box-shadow: 0 0 0 4px rgba(38, 224, 214, 0.14);
}

.page-home .node-mono {
  font-size: 11px;
  color: var(--cyan);
}

/* ---------- 首屏奶油纸面板 ---------- */
.page-home .hero-paper {
  padding: var(--home-inner);
  border-radius: var(--radius-lg);
  background: var(--paper);
  color: var(--paper-ink);
  box-shadow: inset 0 4px 0 var(--orange), var(--shadow-deep);
}

.page-home .paper-eyebrow {
  color: var(--wine);
}

.page-home .hero-paper h2 {
  margin: 8px 0 18px;
  font-size: clamp(21px, 2.8vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper-ink);
}

.page-home .paper-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .paper-list a {
  display: flex;
  gap: 12px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(42, 27, 22, 0.18);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-home .paper-list a:hover,
.page-home .paper-list a:focus-visible {
  border-color: var(--wine);
  background: rgba(196, 71, 47, 0.06);
}

.page-home .paper-mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(42, 27, 22, 0.35);
  font-size: 13px;
  color: var(--wine);
}

.page-home .paper-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-home .paper-copy strong {
  font-size: 15px;
  font-weight: 800;
  color: var(--paper-ink);
}

.page-home .paper-copy em {
  font-style: normal;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(42, 27, 22, 0.72);
}

.page-home .paper-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(42, 27, 22, 0.16);
  font-size: 13px;
  line-height: 1.65;
  color: rgba(42, 27, 22, 0.66);
}

/* ---------- 常用栏目速查 ---------- */
.page-home .directory-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  margin-top: clamp(22px, 4vw, 36px);
}

.page-home .directory-groups {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line-soft);
}

.page-home .dir-group {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .dir-group h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: #ffffff;
}

.page-home .dir-index {
  font-size: 11.5px;
  color: var(--cyan);
}

.page-home .dir-group p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .dir-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .dir-tags li {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
  opacity: 0.82;
}

.page-home .directory-figure {
  margin: 0;
  align-self: start;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  background: var(--ink-800);
}

.page-home .directory-figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 回访步骤 ---------- */
.page-home .path-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(22px, 4vw, 36px);
}

.page-home .path-step {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(170deg, rgba(13, 27, 46, 0.96), rgba(7, 17, 31, 0.96));
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.page-home .path-step[open] {
  border-color: rgba(38, 224, 214, 0.55);
}

.page-home .path-step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
}

.page-home .path-step summary::-webkit-details-marker {
  display: none;
}

.page-home .path-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
}

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

.page-home .path-num {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  height: 26px;
  padding: 0 6px;
  border-radius: 6px;
  border: 1px solid rgba(38, 224, 214, 0.42);
  background: rgba(38, 224, 214, 0.12);
  font-size: 12px;
  color: var(--cyan);
}

.page-home .path-body {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-home .path-body p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .path-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 跨设备 ---------- */
.page-home .devices-wrap {
  display: grid;
  gap: var(--home-gap);
  margin-top: clamp(22px, 4vw, 36px);
}

.page-home .device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .device-card {
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  border-left: 3px solid rgba(38, 224, 214, 0.55);
  background: var(--ink-800);
}

.page-home .device-tag {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-home .device-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: #ffffff;
}

.page-home .device-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .devices-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  background: var(--ink-800);
}

.page-home .devices-figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 校对摘要 ---------- */
.page-home .notes-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  align-items: center;
}

.page-home .notes-figure {
  margin: 0;
  justify-self: center;
  width: 100%;
  max-width: 400px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow:
    0 0 0 10px rgba(38, 224, 214, 0.05),
    0 0 0 1px rgba(38, 224, 214, 0.18);
}

.page-home .notes-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .notes-copy h2 {
  margin: 8px 0 12px;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-home .notes-copy .lead {
  margin: 0 0 20px;
}

.page-home .notes-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-home .notes-list li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--mist);
}

.page-home .notes-list li:first-child {
  border-top: 1px dashed var(--line-soft);
}

.page-home .notes-list .mono {
  font-size: 12px;
  padding-top: 3px;
  color: var(--orange);
}

/* ---------- 结尾行动 ---------- */
.page-home .home-cta {
  padding: clamp(38px, 6vw, 70px) 0 clamp(50px, 8vw, 92px);
}

.page-home .cta-inner {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 42px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 10%, rgba(255, 138, 61, 0.16), transparent 46%),
    radial-gradient(circle at 6% 92%, rgba(38, 224, 214, 0.14), transparent 44%),
    var(--ink-800);
}

.page-home .cta-copy h2 {
  margin: 8px 0 10px;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-home .cta-copy p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-home .directory-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }
}

@media (min-width: 760px) {
  .page-home .device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-home .notes-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(26px, 4.5vw, 60px);
  }
}

@media (min-width: 940px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(290px, 0.82fr);
    align-items: start;
  }

  .page-home .hero-head {
    grid-column: 1 / -1;
  }

  .page-home .directory-body {
    grid-template-columns: minmax(0, 1.24fr) minmax(260px, 0.76fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-home .orbit {
    display: block;
    padding: 0;
    aspect-ratio: 1.32 / 1;
    background:
      radial-gradient(circle at 30% 50%, rgba(38, 224, 214, 0.18), transparent 24%),
      radial-gradient(
        circle at 30% 50%,
        transparent 0 32%,
        rgba(45, 64, 87, 0.85) 32% 32.4%,
        transparent 32.4% 47%,
        rgba(45, 64, 87, 0.6) 47% 47.4%,
        transparent 47.4% 63%,
        rgba(45, 64, 87, 0.4) 63% 63.4%,
        transparent 63.4%
      ),
      var(--ink-800);
  }

  .page-home .orbit::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.35s ease;
    background: radial-gradient(circle at 30% 50%, rgba(38, 224, 214, 0.16), transparent 32%);
  }

  .page-home .orbit:hover::after,
  .page-home .orbit:focus-within::after {
    opacity: 1;
  }

  .page-home .orbit-core {
    position: absolute;
    left: 30%;
    top: 50%;
    width: 42%;
    transform: translate(-50%, -50%);
  }

  .page-home .orbit-node {
    position: absolute;
    transform: translate(-50%, -50%);
    white-space: nowrap;
  }

  .page-home .node-culture {
    left: 50%;
    top: 17%;
  }

  .page-home .node-services {
    left: 73%;
    top: 50%;
  }

  .page-home .node-notes {
    left: 50%;
    top: 83%;
  }

  .page-home .node-consult {
    left: 14%;
    top: 83%;
  }

  .page-home .path-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
  }

  .page-home .devices-wrap {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(18px, 3vw, 28px);
  }

  .page-home .cta-inner {
    grid-template-columns: minmax(0, 1.45fr) auto;
    align-items: center;
  }

  .page-home .cta-actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .orbit-core,
  .page-home .orbit-node,
  .page-home .path-step,
  .page-home .paper-list a,
  .page-home .orbit::after {
    transition: none;
  }
}