.page-home {
  --h-gap: clamp(64px, 9vw, 132px);
  --h-hair: rgba(199, 210, 228, 0.14);
  --h-panel: linear-gradient(180deg, rgba(199, 210, 228, 0.07), rgba(7, 17, 31, 0.55));
  position: relative;
  display: block;
  background: var(--c-deep);
  color: var(--c-silver);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-home::before,
.page-home::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.page-home::before {
  background:
    radial-gradient(880px 660px at 84% 2%, var(--glow-a), transparent 60%),
    radial-gradient(700px 560px at 2% 36%, var(--glow-b), transparent 58%),
    radial-gradient(760px 620px at 92% 76%, rgba(61, 217, 192, 0.13), transparent 62%);
}

.page-home::after {
  background-image: radial-gradient(rgba(199, 210, 228, 0.07) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: 0.55;
}

.page-home > * {
  position: relative;
  z-index: 1;
}

.page-home .section {
  padding-bottom: var(--h-gap);
}

.page-home .section__head {
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-home .section__title {
  color: var(--c-paper);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.16;
  margin: 10px 0 0;
}

.page-home .figure__frame {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(61, 217, 192, 0.16), rgba(255, 107, 44, 0.10));
}

.page-home .figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .figure__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-gray);
  margin-top: 10px;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  padding: clamp(28px, 4vw, 52px) 0 clamp(40px, 6vw, 72px);
}

.page-home .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 48px);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 60px);
}

.page-home .hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-gray);
  margin: 0 0 18px;
}

.page-home .hero__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(124, 227, 139, 0.16);
}

.page-home .hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  font-size: clamp(2.7rem, 8.6vw, 5.4rem);
  line-height: 0.98;
  color: var(--c-paper);
  margin: 0;
}

.page-home .hero__title-sub {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.8vw, 1.35rem);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-home .hero__lead {
  margin: 26px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--c-silver);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--h-hair);
}

.page-home .hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .hero__stats .stat__value {
  order: -1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.2vw, 2.3rem);
  letter-spacing: -0.03em;
  color: var(--c-paper);
  line-height: 1.05;
}

.page-home .hero__stats .stat__unit {
  font-family: var(--font-mono);
  font-size: 0.55em;
  font-weight: 500;
  color: var(--c-orange);
  margin-left: 6px;
  letter-spacing: 0;
}

.page-home .hero__stats .stat__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-gray);
  margin: 0;
}

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

.page-home .hero__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: clamp(36px, 5vw, 60px);
  border-top: 1px solid var(--h-hair);
  padding-top: 8px;
}

.page-home .hero__ticks span {
  position: relative;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--c-gray);
  padding-left: 8px;
}

.page-home .hero__ticks span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 1px;
  height: 10px;
  background: var(--line-strong);
}

/* ---------- 九类参数 ---------- */

.page-home .params__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

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

.page-home .params__radar .figure__frame {
  aspect-ratio: 1 / 1;
}

.page-home .params__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--h-hair);
}

.page-home .params__row {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  column-gap: 12px;
  row-gap: 5px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--h-hair);
  transition: background 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.page-home .params__row:hover {
  background: rgba(61, 217, 192, 0.06);
  padding-left: 12px;
}

.page-home .params__no {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-gray);
  padding-top: 2px;
}

.page-home .params__name {
  grid-column: 2;
  grid-row: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-paper);
}

.page-home .params__val {
  grid-column: 3;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-orange);
  white-space: nowrap;
}

.page-home .params__desc {
  grid-column: 2 / -1;
  grid-row: 2;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-gray);
}

/* ---------- 节点 ---------- */

.page-home .nodes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .node-card {
  position: relative;
  padding: 24px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--h-panel);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-home .node-card::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 38px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-orange));
}

.page-home .node-card:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 217, 192, 0.5);
}

.page-home .node-card__title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-home .node-card__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-home .node-card__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--h-hair);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--c-gray);
}

.page-home .nodes__figure {
  margin: clamp(30px, 4vw, 48px) 0 0;
}

/* ---------- 保修与安装 ---------- */

.page-home .warranty__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

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

.page-home .warranty__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  border-top: 1px solid var(--h-hair);
}

.page-home .warranty__tier {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--h-hair);
}

.page-home .warranty__tier-name {
  color: var(--c-paper);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}

.page-home .warranty__tier-line {
  flex: 1 1 auto;
  height: 1px;
  background-image: linear-gradient(90deg, var(--line-strong) 0 4px, transparent 4px 8px);
  background-size: 8px 1px;
  background-repeat: repeat-x;
}

.page-home .warranty__tier-years {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-orange);
  white-space: nowrap;
}

.page-home .warranty__conditions {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(7, 17, 31, 0.55);
}

.page-home .warranty__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-home .warranty__chips li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-silver);
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
}

.page-home .warranty__note {
  margin: 16px 0 20px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-gray);
}

/* ---------- 招商政策 ---------- */

.page-home .policy__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .policy__card {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--h-panel);
}

.page-home .policy__value {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 1.9rem);
  letter-spacing: -0.02em;
  color: var(--c-orange);
  line-height: 1.1;
}

.page-home .policy__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-home .policy__more {
  margin-top: 16px;
  border-top: 1px solid var(--h-hair);
}

.page-home .policy__more summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

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

.page-home .policy__more summary::after {
  content: " ＋";
}

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

.page-home .policy__more p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-home .policy__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3.5vw, 40px);
}

/* ---------- 查询入口 ---------- */

.page-home .lookup__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 44px);
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid rgba(255, 107, 44, 0.3);
  border-radius: var(--radius-l);
  background:
    radial-gradient(620px 340px at 94% 10%, rgba(255, 107, 44, 0.2), transparent 62%),
    linear-gradient(140deg, rgba(11, 27, 51, 0.96), rgba(7, 17, 31, 0.96));
}

.page-home .lookup__title {
  margin: 16px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--c-paper);
}

.page-home .lookup__desc {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-home .lookup__keys {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-home .lookup__keys li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--h-hair);
  font-size: 14px;
  color: var(--c-silver);
}

.page-home .lookup__key {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-orange);
}

/* ---------- 趋势动态 ---------- */

.page-home .trends__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--h-hair);
}

.page-home .trends__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 24px 2px;
  border-bottom: 1px solid var(--h-hair);
}

.page-home .trends__meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-home .trends__when {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-gray);
}

.page-home .trends__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--c-paper);
}

.page-home .trends__body p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-home .trends__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 217, 192, 0.4);
  padding-bottom: 2px;
}

.page-home .trends__link:hover {
  color: var(--c-orange);
  border-bottom-color: rgba(255, 107, 44, 0.5);
}

.page-home .trends__actions {
  margin-top: clamp(24px, 3.5vw, 36px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-home .nodes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .policy__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .params__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(36px, 4.5vw, 64px);
  }

  .page-home .lookup__card {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-home .trends__item {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-home .trends__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 4px;
  }
}

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
    gap: clamp(36px, 4vw, 68px);
  }

  .page-home .warranty__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(36px, 4vw, 64px);
  }
}

@media (min-width: 1060px) {
  .page-home .nodes__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 619px) {
  .page-home .hero__stats {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .page-home .hero__actions .btn {
    flex: 1 1 auto;
  }

  .page-home .params__val {
    grid-column: 2 / -1;
    grid-row: 2;
  }

  .page-home .params__desc {
    grid-row: 3;
  }
}