:root {
  --system-accent: #1267e9;
  --system-dark: #0c356c;
  --system-soft: #eaf2ff;
  --system-ink: #17233a;
  --system-text: #536176;
  --system-line: #dfe5ed;
  --system-bg: #f5f7fa;
  --system-white: #fff;
  --header-height: 68px;
}

.theme-process {
  --system-accent: #008f9c;
  --system-dark: #0d4c59;
  --system-soft: #e7f7f7;
  --system-bg: #f3f8f8;
}
.theme-campus {
  --system-accent: #e39b24;
  --system-dark: #164f43;
  --system-soft: #fff4dc;
  --system-bg: #faf8f1;
}
.theme-network {
  --system-accent: #42a05a;
  --system-dark: #285b38;
  --system-soft: #eaf6ea;
  --system-bg: #f5f9f2;
}
.theme-roadmap {
  --system-accent: #13b8a6;
  --system-dark: #073f63;
  --system-soft: #e4f8f5;
  --system-bg: #f2f9f8;
  --carbon-blue: #0878c9;
  --carbon-green: #16c79a;
}
.theme-operations {
  --system-accent: #f28b25;
  --system-dark: #153c68;
  --system-soft: #fff0e1;
  --system-bg: #f6f8fb;
}
.theme-service {
  --system-accent: #ff8a24;
  --system-dark: #123d69;
  --system-soft: #eaf4ff;
  --system-bg: #f4f8fc;
}
.theme-station {
  --system-accent: #13c9ca;
  --system-dark: #092f54;
  --system-soft: #e8fbfa;
  --system-bg: #f2f8fa;
  --station-blue: #1678e8;
  --station-cyan: #19d6d2;
}
.theme-home {
  --system-accent: #ec7435;
  --system-dark: #31435f;
  --system-soft: #fff0e8;
  --system-bg: #faf8f5;
}

.system-product-body {
  margin: 0;
  color: var(--system-ink);
  background: var(--system-white);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.system-product-body * {
  box-sizing: border-box;
}
.system-product-body img {
  display: block;
  max-width: 100%;
}
.system-product-body a {
  color: inherit;
}

.system-product-body #productPage {
  min-height: 100vh;
}

.system-floating-contact {
  position: fixed;
  z-index: 70;
  top: 50%;
  right: 18px;
  width: 54px;
  padding: 14px 10px;
  overflow: hidden;
  color: var(--system-ink);
  border: 1px solid rgba(23, 35, 58, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 44px rgba(13, 33, 55, 0.16);
  backdrop-filter: blur(12px);
  transform: translateY(-50%);
  transition:
    width 0.22s ease,
    padding 0.22s ease,
    box-shadow 0.22s ease;
}
.system-floating-contact.is-open,
.system-floating-contact:hover,
.system-floating-contact:focus-within {
  width: 210px;
  padding: 16px;
  box-shadow: 0 22px 52px rgba(13, 33, 55, 0.2);
}
.floating-contact-head {
  padding: 0;
  border: 0;
  background: transparent;
  justify-self: center;
  margin-bottom: 0;
  color: var(--system-accent);
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: center;
  writing-mode: vertical-rl;
  white-space: nowrap;
  cursor: pointer;
  appearance: none;
  transition:
    margin 0.22s ease,
    letter-spacing 0.22s ease;
}
.system-floating-contact.is-open .floating-contact-head,
.system-floating-contact:hover .floating-contact-head,
.system-floating-contact:focus-within .floating-contact-head {
  justify-self: start;
  margin-bottom: 12px;
  letter-spacing: 0;
  writing-mode: horizontal-tb;
}
.floating-contact-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px;
  max-height: 0;
  padding: 0;
  overflow: hidden;
  border-top: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(8px);
  transition:
    max-height 0.22s ease,
    padding 0.22s ease,
    opacity 0.18s ease,
    transform 0.22s ease,
    visibility 0.22s ease;
}
.system-floating-contact.is-open .floating-contact-item,
.system-floating-contact:hover .floating-contact-item,
.system-floating-contact:focus-within .floating-contact-item {
  max-height: 72px;
  padding: 10px 0;
  overflow: visible;
  border-top: 1px solid rgba(23, 35, 58, 0.08);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}
.floating-contact-item span {
  grid-column: 1 / -1;
  color: #7a8494;
  font-size: 11px;
  font-weight: 700;
}
.floating-contact-item strong {
  min-width: 0;
  color: var(--system-ink);
  font-size: 13px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.floating-contact-item button {
  min-width: 48px;
  height: 26px;
  padding: 0 10px;
  color: #fff;
  border: 0;
  border-radius: 4px;
  background: var(--system-accent);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.floating-contact-item button:hover {
  filter: brightness(0.96);
}
.floating-contact-item button.is-copied {
  background: #18a45f;
}
.floating-contact-item button.is-copy-failed {
  background: #7a8494;
}

.system-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-height);
  border-bottom: 1px solid rgba(23, 35, 58, 0.08);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.system-header-inner {
  width: min(1180px, calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 38px;
}

.system-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  width: 22px;
  height: 22px;
  border: 6px solid var(--system-accent);
  border-radius: 50%;
}

.brand-mark::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  right: -6px;
  bottom: -6px;
  border-radius: 2px;
  background: var(--system-dark);
}

.system-nav {
  display: flex;
  justify-content: center;
  gap: 34px;
}

.system-nav a {
  position: relative;
  padding: 24px 0 22px;
  color: #68768a;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.system-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: -1px;
  height: 2px;
  background: var(--system-accent);
  transition:
    left 0.2s ease,
    right 0.2s ease;
}

.system-nav a:hover,
.system-nav a.is-active {
  color: var(--system-ink);
}
.system-nav a.is-active::after {
  left: 0;
  right: 0;
}

.system-contact {
  display: inline-flex;
  min-height: 38px;
  padding: 0 18px;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--system-accent);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.system-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 82px 0;
}

.system-legal-footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 22px 0 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  color: #7a8494;
  border-top: 1px solid var(--system-line);
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
}

.system-legal-footer .footer-bottom-text {
  color: inherit;
  text-decoration: none;
}

.system-legal-footer a.footer-bottom-text:hover {
  color: var(--system-accent);
  text-decoration: underline;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading.compact {
  margin-bottom: 38px;
}

.section-heading > p,
.problem-copy > p,
.system-overview > div:first-child > p {
  margin: 0 0 10px;
  color: var(--system-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.section-heading h1,
.section-heading h2,
.problem-copy h2,
.system-overview h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.section-heading > span,
.problem-copy > span {
  display: block;
  width: 42px;
  height: 3px;
  margin: 18px auto;
  background: var(--system-accent);
}

.section-heading > div,
.problem-copy > div,
.system-overview > div:first-child > div {
  color: var(--system-text);
  font-size: 15px;
  line-height: 1.9;
}

.architecture-section {
  padding-top: 74px;
}

.architecture-board {
  position: relative;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 28px;
  min-height: 410px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--system-line);
  background: linear-gradient(135deg, var(--system-soft), #fff 65%);
}

.architecture-image-frame {
  display: flex;
  width: min(900px, 100%);
  margin: 0 auto;
  padding: 24px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--system-line);
  background: linear-gradient(135deg, var(--system-soft), #fff 65%);
  box-shadow: 0 18px 42px rgba(22, 37, 58, 0.08);
}

.architecture-image-frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.architecture-image-frame--compact {
  display: block;
  width: min(740px, 100%);
  max-width: 100%;
}

.architecture-image-frame--wide {
  width: min(760px, 100%);
}

.architecture-image-frame--compact img {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  margin: 0 auto;
}

.architecture-image-frame--portrait {
  width: min(480px, 100%);
  padding: 18px;
}

.system-command .architecture-image-frame--portrait {
  width: min(700px, 100%);
  padding: 20px;
}

.microgrid-architecture {
  --microgrid-green: #168b74;
  --microgrid-gold: #c58a1d;
  width: 100%;
  padding: 28px;
  border: 1px solid var(--system-line);
  background: linear-gradient(135deg, #f3f9ff, #f7fbf8 56%, #fffaf0);
  box-shadow: 0 18px 42px rgba(22, 37, 58, 0.08);
}

.microgrid-tier {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  min-width: 0;
  overflow: hidden;
  border: 1px solid #cbd8e7;
  background: #fff;
}

.microgrid-tier-label {
  display: flex;
  min-height: 96px;
  padding: 20px;
  align-items: center;
  gap: 12px;
  color: #fff;
  background: var(--system-dark);
}

.microgrid-tier-label > span {
  display: inline-flex;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
}

.microgrid-tier-label small {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.microgrid-tier-label strong {
  display: block;
  margin-top: 5px;
  font-size: 17px;
}

.microgrid-device-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.microgrid-device-grid article {
  display: flex;
  min-width: 0;
  min-height: 96px;
  padding: 14px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-right: 1px solid var(--system-line);
}

.microgrid-device-grid article:last-child {
  border-right: 0;
}

.microgrid-device-grid article > span {
  display: inline-flex;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--microgrid-green);
  font-size: 11px;
  font-weight: 800;
}

.microgrid-device-grid strong {
  min-width: 0;
  font-size: 14px;
  white-space: nowrap;
}

.microgrid-flow-arrow {
  position: relative;
  display: flex;
  height: 30px;
  align-items: center;
  justify-content: center;
}

.microgrid-flow-arrow span {
  width: 2px;
  height: 20px;
  background: var(--system-accent);
}

.microgrid-flow-arrow::after {
  content: "";
  position: absolute;
  bottom: 3px;
  border-top: 7px solid var(--system-accent);
  border-right: 6px solid transparent;
  border-left: 6px solid transparent;
}

.microgrid-tier-content,
.microgrid-platform-body {
  min-width: 0;
}

.microgrid-access-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.microgrid-access-group:first-child {
  border-right: 1px solid var(--system-line);
}

.microgrid-access-group h3,
.microgrid-user-side h3,
.microgrid-service-group h3,
.microgrid-storage h3 {
  margin: 0;
  padding: 11px 14px;
  color: #24415f;
  background: #eef5fc;
  font-size: 12px;
  text-align: center;
}

.microgrid-access-group:nth-child(2) h3,
.microgrid-rule-engine h3 {
  color: #72520f;
  background: #fff6df;
}

.microgrid-access-group > div,
.microgrid-service-group > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
}

.microgrid-access-group > div span,
.microgrid-access-foundation span,
.microgrid-user-side span,
.microgrid-service-group span,
.microgrid-storage span {
  display: flex;
  min-height: 34px;
  min-width: 0;
  padding: 6px 8px;
  align-items: center;
  justify-content: center;
  border: 1px solid #d5e0eb;
  color: #344b64;
  background: #fff;
  font-size: 12px;
  text-align: center;
}

.microgrid-access-group > div span:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.microgrid-access-foundation {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
  border-top: 1px solid var(--system-line);
  background: #f7fafc;
}

.microgrid-access-foundation span {
  border-color: #bcd8d1;
  color: #126552;
  background: #eff9f6;
  font-weight: 600;
}

.microgrid-platform-body {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
}

.microgrid-user-side {
  border-right: 1px solid var(--system-line);
}

.microgrid-user-side > div {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.microgrid-user-side span {
  border-left: 3px solid var(--microgrid-green);
}

.microgrid-platform-services {
  display: grid;
  grid-template-columns: minmax(180px, 0.72fr) minmax(0, 1.28fr);
}

.microgrid-service-group {
  min-width: 0;
  border-bottom: 1px solid var(--system-line);
}
.microgrid-service-group:first-child {
  border-right: 1px solid var(--system-line);
}
.microgrid-service-group-wide > div {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.microgrid-rule-engine {
  grid-column: 1 / -1;
  border-bottom: 0;
}
.microgrid-rule-engine > div {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.microgrid-storage {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  border-top: 1px solid #cbd8e7;
}

.microgrid-storage h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #126552;
  background: #eaf7f3;
}

.microgrid-storage > div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
  background: #f8fbfa;
}

.microgrid-storage span {
  border-bottom: 2px solid var(--microgrid-green);
}

.architecture-board::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  left: -200px;
  top: -190px;
  border: 80px solid color-mix(in srgb, var(--system-accent) 12%, transparent);
  border-radius: 50%;
}

.architecture-core {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 180px;
  margin: auto 0;
  padding: 28px;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  background: var(--system-dark);
}

.architecture-core span {
  font-size: 13px;
  opacity: 0.72;
}

.architecture-core strong {
  margin-top: 10px;
  font-size: 26px;
  line-height: 1.3;
}

.architecture-layers {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.system-layer {
  display: grid;
  width: 100%;
  min-width: 0;
  grid-template-columns: 145px minmax(0, 1fr);
  min-height: 76px;
  border: 1px solid var(--system-line);
  background: rgba(255, 255, 255, 0.92);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.system-layer:hover {
  transform: translateX(5px);
  box-shadow: 0 10px 28px rgba(22, 37, 58, 0.08);
}

.layer-title {
  display: flex;
  padding: 18px;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--system-line);
}

.layer-title span {
  color: var(--system-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.layer-title strong {
  margin-top: 5px;
  font-size: 16px;
}

.layer-points {
  display: grid;
  min-width: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
}

.layer-points span {
  display: flex;
  padding: 12px;
  align-items: center;
  justify-content: center;
  color: var(--system-text);
  border-right: 1px dashed var(--system-line);
  font-size: 13px;
  text-align: center;
}
.layer-points span:last-child {
  border-right: 0;
}

.preview-section {
  background: #fff;
}

.preview-frame {
  overflow: hidden;
  border: 1px solid var(--system-line);
  border-radius: 8px;
  background: #edf1f6;
  box-shadow: 0 24px 60px rgba(25, 45, 75, 0.13);
}

.preview-browser {
  display: flex;
  height: 42px;
  padding: 0 16px;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid var(--system-line);
  background: #fff;
}
.preview-browser i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d8dee8;
}
.preview-browser i:first-child {
  background: var(--system-accent);
}
.preview-browser b {
  margin-left: auto;
  color: #8793a4;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.preview-frame img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  object-position: top center;
}

.preview-carousel {
  overflow: hidden;
  border: 1px solid var(--system-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(25, 45, 75, 0.13);
}

.preview-carousel-stage {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #edf1f6;
}

.preview-carousel-slide {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.42s ease;
}

.preview-carousel-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.preview-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: #edf1f6;
}

.preview-carousel-arrow {
  position: absolute;
  z-index: 3;
  top: 50%;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 50%;
  color: #fff;
  background: rgba(8, 24, 42, 0.54);
  box-shadow: 0 12px 28px rgba(10, 25, 44, 0.22);
  cursor: pointer;
  transform: translateY(-50%);
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.preview-carousel-arrow:hover,
.preview-carousel-arrow:focus-visible {
  border-color: #fff;
  background: var(--system-accent);
  transform: translateY(-50%) scale(1.04);
}

.preview-carousel-prev {
  left: 18px;
}

.preview-carousel-next {
  right: 18px;
}

.preview-carousel-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 72px;
  padding: 14px 18px;
  border-top: 1px solid var(--system-line);
}

.preview-carousel-footer > div:first-child {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.preview-carousel-footer span {
  color: var(--system-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.preview-carousel-footer strong {
  min-width: 0;
  color: var(--system-ink);
  font-size: 15px;
  overflow-wrap: anywhere;
}

.preview-carousel-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-carousel-dots button {
  width: 28px;
  height: 5px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: #cfd9e6;
  cursor: pointer;
  transition:
    width 0.2s ease,
    background 0.2s ease;
}

.preview-carousel-dots button.is-active {
  width: 42px;
  background: var(--system-accent);
}

.system-image-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.system-image-card {
  overflow: hidden;
  border: 1px solid var(--system-line);
  background: #fff;
  box-shadow: 0 16px 36px rgba(22, 37, 58, 0.09);
}

.system-image-card-featured {
  grid-column: 1 / -1;
}

.system-image-card > a {
  display: block;
  background: #0d243b;
}

.system-image-card img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  object-position: top center;
}

.system-image-card > div {
  display: flex;
  min-height: 52px;
  padding: 0 18px;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--system-line);
}

.system-image-card span {
  color: var(--system-accent);
  font-size: 11px;
  font-weight: 800;
}

.system-image-card strong {
  font-size: 14px;
}

.system-image-card > div a {
  margin-left: auto;
  color: var(--system-accent);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.system-roadmap .preview-section {
  width: 100%;
  padding: 88px max(24px, calc((100vw - 1240px) / 2)) 112px;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 18% 20%,
      rgba(22, 199, 154, 0.18),
      transparent 30%
    ),
    radial-gradient(circle at 85% 80%, rgba(8, 120, 201, 0.2), transparent 34%),
    linear-gradient(145deg, #032f4f, #065d7d 48%, #087f83 100%);
}
.system-roadmap .preview-section .section-heading > p {
  color: #5ce0ca;
}
.system-roadmap .preview-section .section-heading h2 {
  color: #fff;
}
.system-roadmap .preview-section .section-heading > span {
  background: linear-gradient(90deg, #20d9b0, #35a9ff);
}
.system-roadmap .preview-section .section-heading > div {
  color: rgba(255, 255, 255, 0.66);
}
.carbon-showcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 58px;
  align-items: center;
  min-height: 650px;
}
.carbon-showcase::before {
  content: "CARBON TRANSFORMATION";
  position: absolute;
  right: -24px;
  top: -18px;
  color: rgba(255, 255, 255, 0.035);
  font-size: clamp(54px, 8vw, 110px);
  font-weight: 800;
  letter-spacing: -0.05em;
  white-space: nowrap;
}
.carbon-cover {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 28px 8px 28px 8px;
  background: #042f4d;
  box-shadow: 0 34px 70px rgba(0, 23, 42, 0.38);
}
.carbon-cover img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.carbon-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 52%, rgba(1, 27, 47, 0.94));
}
.carbon-cover-copy {
  position: absolute;
  z-index: 2;
  left: 28px;
  right: 28px;
  bottom: 26px;
  color: #fff;
}
.carbon-cover-copy span {
  display: block;
  margin-bottom: 8px;
  color: #54e0c4;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.carbon-cover-copy strong {
  display: block;
  font-size: 24px;
}
.carbon-cover-copy p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}
.carbon-dashboard-stack {
  position: relative;
  z-index: 1;
  min-height: 620px;
}
.carbon-dashboard {
  position: absolute;
  width: 92%;
  overflow: hidden;
  border: 1px solid rgba(102, 224, 207, 0.28);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(0, 24, 46, 0.44);
}
.carbon-dashboard-1 {
  top: 0;
  left: 0;
  transform: rotate(-1.3deg);
}
.carbon-dashboard-2 {
  right: 0;
  bottom: 0;
  transform: rotate(1.5deg);
}
.carbon-dashboard img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  object-position: top left;
}
.carbon-dashboard-label {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 16px 18px;
  align-items: center;
  background: linear-gradient(90deg, #f3fbff, #effcf8);
}
.carbon-dashboard-label span {
  grid-row: 1 / 3;
  color: var(--carbon-green);
  font-size: 12px;
  font-weight: 800;
}
.carbon-dashboard-label strong {
  color: #0c4769;
  font-size: 15px;
}
.carbon-dashboard-label small {
  color: #6d8796;
  font-size: 11px;
}
.system-roadmap .system-stats {
  border-color: rgba(255, 255, 255, 0.16);
}
.system-roadmap .system-stats div {
  border-color: rgba(255, 255, 255, 0.16);
}
.system-roadmap .system-stats dt {
  color: #50e1c4;
}
.system-roadmap .system-stats dd {
  color: rgba(255, 255, 255, 0.62);
}

.system-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 42px 0 0;
  padding: 0;
  border-top: 1px solid var(--system-line);
  border-bottom: 1px solid var(--system-line);
}
.system-stats div {
  padding: 24px;
  border-right: 1px solid var(--system-line);
}
.system-stats div:last-child {
  border-right: 0;
}
.system-stats dt {
  color: var(--system-accent);
  font-size: 28px;
  font-weight: 800;
}
.system-stats dd {
  margin: 6px 0 0;
  color: var(--system-text);
  font-size: 13px;
}

.problem-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: 70px;
  padding: 84px max(24px, calc((100vw - 1180px) / 2));
  color: #fff;
  background: var(--system-dark);
}
.problem-copy {
  align-self: center;
}
.problem-copy > p {
  color: color-mix(in srgb, var(--system-accent) 80%, white);
}
.problem-copy > span {
  margin-left: 0;
}
.problem-copy > div {
  color: rgba(255, 255, 255, 0.68);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.problem-card {
  padding: 28px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}
.problem-card:nth-child(even) {
  border-right: 0;
}
.problem-index {
  color: var(--system-accent);
  font-size: 12px;
  font-weight: 800;
}
.problem-card h3 {
  margin: 16px 0 10px;
  font-size: 18px;
}
.problem-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  line-height: 1.8;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.capability-card {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--system-line);
  background: #fff;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.capability-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(30, 48, 76, 0.1);
}
.capability-top {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--system-accent);
  font-size: 12px;
  font-weight: 800;
}
.capability-top i {
  height: 1px;
  flex: 1;
  background: var(--system-line);
}
.capability-card h3 {
  margin: 28px 0 12px;
  font-size: 19px;
}
.capability-card p {
  margin: 0;
  color: var(--system-text);
  font-size: 14px;
  line-height: 1.85;
}
.capability-card small {
  display: block;
  margin-top: 16px;
  color: #8a96a6;
  font-size: 12px;
  line-height: 1.6;
}

.system-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(360px, 0.84fr);
  grid-template-rows: auto auto;
  column-gap: 64px;
  row-gap: 36px;
  padding: 72px max(24px, calc((100vw - 1180px) / 2));
  color: #fff;
  background: linear-gradient(
    135deg,
    var(--system-dark),
    color-mix(in srgb, var(--system-dark) 72%, var(--system-accent))
  );
}
.system-overview > div:first-child {
  grid-column: 1;
  grid-row: 1;
  max-width: 720px;
}
.system-overview > div:first-child > p {
  color: rgba(255, 255, 255, 0.6);
}
.system-overview > div:first-child > div {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.68);
}
.overview-tags {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-content: center;
  align-self: center;
  gap: 10px;
  flex-wrap: wrap;
}
.overview-tags span {
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
}
.overview-actions {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  gap: 12px;
  align-self: start;
}
.overview-actions a {
  display: inline-flex;
  min-height: 44px;
  padding: 0 22px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
.overview-actions a:first-child {
  color: var(--system-dark);
  background: #fff;
}
.overview-contact-result {
  grid-column: 2;
  grid-row: 2;
  width: 100%;
  min-height: 110px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.14);
  align-self: start;
  justify-self: stretch;
}
.overview-contact-result[hidden] {
  display: none;
}
.overview-contact-result span {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 800;
}
.overview-contact-result strong {
  display: block;
  margin-top: 6px;
  color: #fff;
  font-size: 20px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.overview-contact-result small {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  line-height: 1.6;
}

/* 污水：横向工艺链 */
.system-process .architecture-board {
  grid-template-columns: 1fr;
}
.system-process .architecture-core {
  min-height: 110px;
  margin: 0;
  align-items: center;
  text-align: center;
}
.system-process .architecture-layers {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
}
.system-process .system-layer {
  position: relative;
  grid-template-columns: 1fr;
  min-height: 230px;
  border-right: 0;
}
.system-process .system-layer:last-child {
  border-right: 1px solid var(--system-line);
}
.system-process .system-layer:not(:last-child)::after {
  content: "→";
  position: absolute;
  z-index: 2;
  right: -13px;
  top: 44px;
  color: var(--system-accent);
  font-size: 20px;
}
.system-process .layer-title {
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
  text-align: center;
}
.system-process .layer-points {
  grid-template-columns: 1fr;
}
.system-process .layer-points span {
  border-right: 0;
  border-bottom: 1px dashed var(--system-line);
}

/* 校园：四个场景街区 */
.system-campus .architecture-board {
  grid-template-columns: minmax(260px, 0.86fr) minmax(0, 1.6fr);
  gap: 30px;
  padding: 38px;
  border-color: #cfded8;
  border-radius: 18px;
  background:
    radial-gradient(circle at 13% 18%, rgba(227, 155, 36, 0.14) 0 120px, transparent 122px),
    linear-gradient(135deg, #fff9eb 0%, #f8fcf7 46%, #ffffff 100%);
  box-shadow: 0 22px 60px rgba(18, 53, 108, 0.08);
}
.system-campus .architecture-board::before {
  width: 420px;
  height: 420px;
  left: -260px;
  top: -230px;
  border: 1px solid rgba(227, 155, 36, 0.24);
  background: transparent;
  opacity: 0.8;
}
.system-campus .architecture-core {
  min-height: 292px;
  margin: 0;
  padding: 174px 26px 26px;
  overflow: hidden;
  border: 1px solid #bfd8ce;
  border-radius: 22px;
  color: #123047;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 252, 248, 0.96)),
    #fff;
  box-shadow: 0 18px 42px rgba(18, 79, 67, 0.12);
}
.system-campus .architecture-core::before {
  content: "";
  position: absolute;
  inset: 24px 24px auto;
  height: 122px;
  border: 1px solid rgba(19, 160, 95, 0.2);
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(19, 160, 95, 0.14) 1px, transparent 1px),
    linear-gradient(0deg, rgba(19, 160, 95, 0.12) 1px, transparent 1px),
    radial-gradient(circle at 26% 34%, rgba(227, 155, 36, 0.36) 0 8px, transparent 9px),
    radial-gradient(circle at 72% 62%, rgba(19, 160, 95, 0.28) 0 10px, transparent 11px),
    linear-gradient(135deg, #f7fff9, #fff7e4);
  background-size:
    28px 28px,
    28px 28px,
    auto,
    auto,
    auto;
}
.system-campus .architecture-core::after {
  content: "";
  position: absolute;
  top: 60px;
  left: 50%;
  width: 88px;
  height: 52px;
  border: 1px solid rgba(18, 79, 67, 0.24);
  border-radius: 10px;
  background:
    repeating-linear-gradient(90deg, rgba(18, 79, 67, 0.18) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(0deg, rgba(18, 79, 67, 0.14) 0 1px, transparent 1px 17px),
    linear-gradient(135deg, rgba(19, 160, 95, 0.22), rgba(255, 255, 255, 0.82));
  box-shadow:
    -78px 34px 0 -8px rgba(227, 155, 36, 0.2),
    84px -28px 0 -10px rgba(19, 160, 95, 0.18);
  transform: translateX(-50%) skewY(-6deg);
}
.system-campus .architecture-core span {
  position: relative;
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border: 1px solid rgba(19, 160, 95, 0.2);
  border-radius: 999px;
  color: #347060;
  background: rgba(19, 160, 95, 0.08);
  font-size: 12px;
  font-weight: 700;
  opacity: 1;
}
.system-campus .architecture-core strong {
  position: relative;
  margin-top: 14px;
  color: #0d253b;
  font-size: 28px;
  letter-spacing: 0;
}
.system-campus .architecture-layers {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.system-campus .system-layer {
  grid-template-columns: 1fr;
  border-color: #d6e2dc;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 12px 30px rgba(18, 53, 108, 0.05);
}
.system-campus .layer-title {
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
  background: linear-gradient(180deg, #ffffff, #fbfdf9);
}
.system-campus .layer-points {
  grid-template-columns: repeat(2, 1fr);
}
.system-campus .layer-points span {
  min-height: 43px;
  color: #516078;
  background: rgba(255, 255, 255, 0.64);
}

/* 乡村：中心辐射节点 */
.system-network .architecture-board {
  grid-template-columns: 280px 1fr;
  border-radius: 120px 8px 8px 120px;
}
.system-network .architecture-core {
  min-height: 250px;
  border-radius: 50%;
  align-items: center;
  text-align: center;
}
.system-network .architecture-layers {
  grid-template-columns: repeat(2, 1fr);
}
.system-network .system-layer {
  grid-template-columns: 1fr;
  border-radius: 6px 30px 6px 30px;
}
.system-network .layer-title {
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
}
.system-network .layer-points {
  grid-template-columns: repeat(2, 1fr);
}

/* 碳管理：路线图 */
.theme-roadmap .system-header {
  border-bottom-color: rgba(8, 120, 201, 0.12);
}
.theme-roadmap .brand-mark {
  border-color: var(--carbon-green);
}
.theme-roadmap .brand-mark::after {
  background: var(--carbon-blue);
}
.theme-roadmap .system-contact {
  background: linear-gradient(135deg, var(--carbon-blue), var(--carbon-green));
}
.system-roadmap .architecture-section {
  width: 100%;
  padding: 82px max(24px, calc((100vw - 1180px) / 2));
  background:
    radial-gradient(
      circle at 78% 12%,
      rgba(19, 184, 166, 0.15),
      transparent 28%
    ),
    linear-gradient(145deg, #f4fbff 0%, #eefbf7 58%, #fff 100%);
}
.system-roadmap .architecture-board {
  grid-template-columns: 1fr;
  border: 0;
  background: transparent;
}
.system-roadmap .architecture-core {
  min-height: 110px;
  margin: 0;
  flex-direction: row;
  align-items: center;
  gap: 14px;
}
.system-roadmap .architecture-core strong {
  margin: 0;
}
.system-roadmap .architecture-layers {
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.system-roadmap .system-layer {
  position: relative;
  grid-template-columns: 1fr;
  border-top: 4px solid var(--system-accent);
}
.system-roadmap .system-layer:not(:last-child)::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 2px;
  right: -25px;
  top: 50%;
  background: var(--system-accent);
}
.system-roadmap .layer-title {
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
}
.system-roadmap .layer-points {
  grid-template-columns: 1fr;
}
.system-roadmap .layer-points span {
  justify-content: flex-start;
  border-right: 0;
  border-bottom: 1px dashed var(--system-line);
}

/* 运维：闭环四象限 */
.system-operations .architecture-board {
  grid-template-columns: 240px 1fr;
}
.system-operations .architecture-core {
  border-radius: 50%;
  aspect-ratio: 1;
  align-items: center;
  text-align: center;
}
.system-operations .architecture-layers {
  grid-template-columns: repeat(2, 1fr);
}
.system-operations .system-layer {
  grid-template-columns: 1fr;
  border-left: 4px solid var(--system-accent);
}
.system-operations .layer-title {
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
}
.system-operations .layer-points {
  grid-template-columns: repeat(2, 1fr);
}

/* 售后：工单链 */
.system-service .architecture-board {
  grid-template-columns: 1fr;
}
.system-service .architecture-core {
  min-height: 96px;
  margin: 0;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.system-service .architecture-core strong {
  margin: 0;
}
.system-service .architecture-layers {
  display: flex;
}
.system-service .system-layer {
  position: relative;
  flex: 1;
  grid-template-columns: 1fr;
  border-radius: 10px;
}
.system-service .system-layer:not(:last-child) {
  margin-right: 32px;
}
.system-service .system-layer:not(:last-child)::after {
  content: "›";
  position: absolute;
  right: -24px;
  top: 50%;
  color: var(--system-accent);
  font-size: 32px;
  transform: translateY(-50%);
}
.system-service .layer-title {
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
}
.system-service .layer-points {
  grid-template-columns: 1fr;
}
.system-service .layer-points span {
  border-right: 0;
  border-bottom: 1px dashed var(--system-line);
}

/* 公厕：站群卡片 */
.system-station .architecture-board {
  grid-template-columns: 1fr;
  background-image:
    linear-gradient(rgba(21, 166, 166, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 166, 166, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.system-station .architecture-core {
  width: 280px;
  min-height: 110px;
  margin: 0 auto;
  align-items: center;
  text-align: center;
  border-radius: 8px;
}
.system-station .architecture-layers {
  grid-template-columns: repeat(4, 1fr);
}
.system-station .system-layer {
  grid-template-columns: 1fr;
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(21, 90, 100, 0.07);
}
.system-station .layer-title {
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
}
.system-station .layer-points {
  grid-template-columns: 1fr;
}
.system-station .layer-points span {
  border-right: 0;
  border-bottom: 1px dashed var(--system-line);
}

/* 家庭：家庭中枢 + 能量设备 */
.system-home .architecture-board {
  grid-template-columns: 300px 1fr;
  border-radius: 32px;
}
.system-home .architecture-core {
  min-height: 280px;
  border-radius: 150px 150px 24px 24px;
  align-items: center;
  text-align: center;
}
.system-home .architecture-layers {
  grid-template-columns: repeat(2, 1fr);
}
.system-home .system-layer {
  grid-template-columns: 1fr;
  border-radius: 18px;
}
.system-home .layer-title {
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
}
.system-home .layer-points {
  grid-template-columns: repeat(2, 1fr);
}

.special-preview {
  position: relative;
  display: grid;
  gap: 34px;
}
.special-preview-copy {
  max-width: 700px;
}
.special-preview-copy > span {
  color: var(--system-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.special-preview-copy h3 {
  margin: 10px 0 14px;
  font-size: clamp(26px, 3.5vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}
.special-preview-copy p {
  margin: 0;
  color: var(--system-text);
  font-size: 14px;
  line-height: 1.9;
}
.special-preview-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--system-line);
  background: #0b3151;
  box-shadow: 0 28px 68px rgba(14, 43, 70, 0.18);
}
.special-screen-bar {
  display: flex;
  height: 40px;
  padding: 0 15px;
  align-items: center;
  gap: 7px;
  background: #fff;
  border-bottom: 1px solid var(--system-line);
}
.special-screen-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d8e0e8;
}
.special-screen-bar i:first-child {
  background: var(--system-accent);
}
.special-screen-bar b {
  margin-left: auto;
  color: #7c8c9d;
  font-size: 10px;
  letter-spacing: 0.12em;
}
.special-preview-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top center;
}
.special-feature-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--system-line);
  border-bottom: 1px solid var(--system-line);
}
.special-feature-list article {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 20px;
  border-right: 1px solid var(--system-line);
}
.special-feature-list article:last-child {
  border-right: 0;
}
.special-feature-list article > span {
  color: var(--system-accent);
  font-size: 11px;
  font-weight: 800;
}
.special-feature-list strong {
  display: block;
  margin-bottom: 7px;
  font-size: 14px;
}
.special-feature-list p {
  margin: 0;
  color: var(--system-text);
  font-size: 11px;
  line-height: 1.65;
}
.special-preview-water-twin {
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 44px;
  align-items: center;
}
.special-preview-water-twin .special-preview-copy {
  grid-column: 1;
}
.special-preview-water-twin .special-preview-visual {
  grid-column: 2;
  grid-row: 1 / 3;
  border-radius: 2px 28px 2px 28px;
  box-shadow:
    24px 24px 0 #dff4f3,
    0 30px 70px rgba(4, 66, 85, 0.2);
}
.special-preview-water-twin .special-feature-list {
  grid-column: 1;
  grid-template-columns: 1fr;
  align-self: stretch;
  border: 0;
}
.special-preview-water-twin .special-feature-list article {
  padding: 13px 0;
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
}
.system-process .preview-section {
  width: 100%;
  padding-left: max(24px, calc((100vw - 1240px) / 2));
  padding-right: max(24px, calc((100vw - 1240px) / 2));
  background: linear-gradient(150deg, #f4fbfb, #eff8fb 52%, #fff);
}
.special-preview-campus-hub {
  grid-template-columns: 1fr;
  align-items: center;
}
.special-preview-campus-hub .special-preview-copy {
  grid-column: 1 / -1;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.special-preview-campus-hub .special-preview-visual {
  width: min(1080px, 100%);
  justify-self: center;
  border-radius: 28px 5px 28px 5px;
  box-shadow: 0 30px 70px rgba(24, 77, 64, 0.18);
}
.special-preview-campus-hub .special-feature-list {
  display: grid;
  width: min(1224px, 100%);
  justify-self: center;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 0;
}
.special-preview-campus-hub .special-feature-list article {
  display: block;
  padding: 24px;
  border: 1px solid var(--system-line);
  border-right: 0;
  border-radius: 0;
  background: #fff;
}
.special-preview-campus-hub .special-feature-list article:first-child {
  border-radius: 18px 0 0 4px;
}
.special-preview-campus-hub .special-feature-list article:last-child {
  border-right: 1px solid var(--system-line);
  border-radius: 0 4px 18px 0;
}
.special-preview-campus-hub .special-feature-list article > span {
  display: block;
  margin-bottom: 18px;
}
.system-campus .preview-section {
  width: 100%;
  padding-left: max(24px, calc((100vw - 1240px) / 2));
  padding-right: max(24px, calc((100vw - 1240px) / 2));
  background:
    radial-gradient(
      circle at 50% 45%,
      rgba(227, 155, 36, 0.11),
      transparent 30%
    ),
    linear-gradient(150deg, #f7fbf4, #fffaf0);
}
.special-preview-village-map {
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 0;
  overflow: hidden;
  border-radius: 34px 4px 34px 4px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(42, 91, 56, 0.13);
}
.special-preview-village-map .special-preview-visual {
  grid-column: 1;
  grid-row: 1 / 3;
  border: 0;
  box-shadow: none;
}
.special-preview-village-map .special-screen-bar {
  background: #f6fbf5;
}
.special-preview-village-map .special-preview-copy {
  grid-column: 2;
  padding: 44px 42px 20px;
}
.special-preview-village-map .special-feature-list {
  grid-column: 2;
  grid-template-columns: repeat(2, 1fr);
  margin: 0 42px 42px;
  border: 0;
}
.special-preview-village-map .special-feature-list article {
  display: block;
  padding: 17px 14px;
  border-right: 0;
  border-bottom: 1px solid var(--system-line);
}
.special-preview-village-map .special-feature-list article:nth-child(odd) {
  border-right: 1px solid var(--system-line);
}
.system-network .preview-section {
  width: 100%;
  padding-left: max(24px, calc((100vw - 1240px) / 2));
  padding-right: max(24px, calc((100vw - 1240px) / 2));
  background: linear-gradient(145deg, #eff8ed, #f8fbf4);
}
.special-preview-pv-console {
  padding: 48px;
  color: #fff;
  border-radius: 8px;
  background:
    radial-gradient(
      circle at 86% 12%,
      rgba(255, 138, 36, 0.25),
      transparent 25%
    ),
    linear-gradient(140deg, #082c51, #0b4a79);
}
.special-preview-pv-console .special-preview-copy > span {
  color: #ff9d42;
}
.special-preview-pv-console .special-preview-copy p {
  color: rgba(255, 255, 255, 0.66);
}
.special-preview-pv-console .special-preview-visual {
  border-color: rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  box-shadow: 0 28px 70px rgba(0, 17, 35, 0.4);
}
.special-preview-pv-console .special-feature-list {
  border-color: rgba(255, 255, 255, 0.16);
}
.special-preview-pv-console .special-feature-list article {
  border-color: rgba(255, 255, 255, 0.16);
}
.special-preview-pv-console .special-feature-list article > span {
  color: #ff9d42;
}
.special-preview-pv-console .special-feature-list strong {
  color: #fff;
}
.special-preview-pv-console .special-feature-list p {
  color: rgba(255, 255, 255, 0.6);
}
.special-preview-home-cockpit {
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  padding: 52px;
  align-items: center;
  border-radius: 60px 12px 60px 12px;
  background: linear-gradient(145deg, #fff6ec, #edf7ff);
}
.special-preview-home-cockpit .special-preview-copy {
  grid-column: 1;
}
.special-preview-home-cockpit .special-preview-visual {
  grid-column: 2;
  grid-row: 1 / 3;
  border-radius: 26px;
  box-shadow: 0 28px 70px rgba(63, 74, 91, 0.18);
}
.special-preview-home-cockpit .special-feature-list {
  grid-column: 1;
  grid-template-columns: repeat(2, 1fr);
  border: 0;
}
.special-preview-home-cockpit .special-feature-list article {
  display: block;
  padding: 16px 12px;
  border-right: 0;
  border-bottom: 1px solid rgba(49, 67, 95, 0.12);
}
.special-preview-home-cockpit .special-feature-list article:nth-child(odd) {
  border-right: 1px solid rgba(49, 67, 95, 0.12);
}
.system-home .preview-section {
  width: 100%;
  padding-left: max(24px, calc((100vw - 1240px) / 2));
  padding-right: max(24px, calc((100vw - 1240px) / 2));
}

.system-station .preview-section {
  width: 100%;
  padding-left: max(18px, calc((100vw - 1480px) / 2));
  padding-right: max(18px, calc((100vw - 1480px) / 2));
  background:
    radial-gradient(
      circle at 8% 10%,
      rgba(25, 214, 210, 0.14),
      transparent 28%
    ),
    linear-gradient(145deg, #f2faff, #eefbf9 55%, #fff);
}
.toilet-network-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 24px;
  border: 1px solid rgba(22, 120, 232, 0.14);
  border-radius: 8px 38px 8px 38px;
  background: linear-gradient(145deg, #071f3d, #0a3f68);
  box-shadow: 0 32px 80px rgba(5, 37, 67, 0.26);
}
.toilet-level-switch {
  position: sticky;
  top: calc(var(--header-height) + 10px);
  z-index: 30;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 10px;
  margin: -8px -8px 0;
  padding: 8px;
  border: 1px solid rgba(62, 218, 226, 0.2);
  border-radius: 4px 22px 4px 22px;
  background: rgba(7, 31, 61, 0.92);
  box-shadow: 0 18px 38px rgba(0, 12, 28, 0.28);
  backdrop-filter: blur(14px);
}
.toilet-level-switch button {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 4px 16px 4px 16px;
  background: rgba(255, 255, 255, 0.035);
  text-align: left;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}
.toilet-level-switch button:hover {
  transform: translateY(-2px);
}
.toilet-level-switch button.is-active {
  color: #fff;
  border-color: rgba(25, 214, 210, 0.6);
  background: linear-gradient(
    135deg,
    rgba(22, 120, 232, 0.35),
    rgba(19, 201, 202, 0.17)
  );
  box-shadow: inset 3px 0 #19d6d2;
}
.toilet-level-switch span {
  color: #23ded7;
  font-size: 10px;
  font-weight: 800;
}
.toilet-level-switch strong {
  font-size: 14px;
  line-height: 1.35;
}
.toilet-level-switch small {
  display: none;
}
.toilet-view-stack {
  min-width: 0;
}
.toilet-view {
  display: none;
  grid-template-columns: minmax(0, 0.32fr) minmax(0, 0.68fr);
  gap: 24px;
  align-items: end;
  animation: toiletFade 0.35s ease;
}
.toilet-view.is-active {
  display: grid;
}
.toilet-view-copy {
  color: #fff;
}
.toilet-view-copy span {
  color: #3de2dc;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.toilet-view-copy h3 {
  margin: 12px 0 16px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.22;
}
.toilet-view-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.85;
}
.toilet-screen {
  grid-column: 1 / -1;
  overflow: hidden;
  border: 1px solid rgba(62, 218, 226, 0.28);
  border-radius: 5px;
  background: #061a31;
  box-shadow: 0 24px 60px rgba(0, 12, 28, 0.42);
}
.toilet-screen .special-screen-bar {
  background: #f5fbff;
}
.toilet-screen-link {
  position: relative;
  display: block;
  color: inherit;
  text-decoration: none;
}
.toilet-screen-link span {
  position: absolute;
  right: 16px;
  bottom: 14px;
  padding: 8px 12px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 4px;
  background: rgba(3, 25, 48, 0.82);
  backdrop-filter: blur(8px);
  font-size: 11px;
  font-weight: 700;
  opacity: 0;
  transform: translateY(5px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}
.toilet-screen-link:hover span {
  opacity: 1;
  transform: none;
}
.toilet-screen img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: top center;
}
.toilet-capability-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.toilet-capability-rail article {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  padding: 22px 18px 4px;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
}
.toilet-capability-rail article:last-child {
  border-right: 0;
}
.toilet-capability-rail span {
  color: #28ddd7;
  font-size: 11px;
  font-weight: 800;
}
.toilet-capability-rail strong {
  color: #fff;
  font-size: 14px;
}
.toilet-capability-rail p {
  grid-column: 2;
  margin: 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 11px;
  line-height: 1.65;
}
@keyframes toiletFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .system-floating-contact {
    right: 10px;
    width: 50px;
    padding: 12px 9px;
  }
  .system-floating-contact.is-open,
  .system-floating-contact:hover,
  .system-floating-contact:focus-within {
    width: 194px;
    padding: 14px;
  }
  .system-header-inner {
    grid-template-columns: 1fr auto;
  }
  .system-nav {
    display: none;
  }
  .microgrid-architecture {
    padding: 20px;
  }
  .microgrid-tier {
    grid-template-columns: 124px minmax(0, 1fr);
  }
  .microgrid-tier-label {
    padding: 15px;
  }
  .microgrid-device-grid article {
    flex-direction: column;
    gap: 7px;
  }
  .microgrid-platform-body {
    grid-template-columns: 140px minmax(0, 1fr);
  }
  .microgrid-platform-services {
    grid-template-columns: 1fr;
  }
  .microgrid-service-group:first-child {
    border-right: 0;
  }
  .microgrid-rule-engine {
    grid-column: auto;
  }
  .microgrid-service-group-wide > div,
  .microgrid-rule-engine > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .architecture-board,
  .system-campus .architecture-board,
  .system-network .architecture-board,
  .system-operations .architecture-board,
  .system-home .architecture-board {
    grid-template-columns: 1fr;
    border-radius: 8px;
  }
  .architecture-core,
  .system-network .architecture-core,
  .system-operations .architecture-core,
  .system-home .architecture-core {
    min-height: 110px;
    aspect-ratio: auto;
    border-radius: 6px;
  }
  .system-process .architecture-layers,
  .system-roadmap .architecture-layers,
  .system-station .architecture-layers {
    grid-template-columns: repeat(2, 1fr);
  }
  .system-service .architecture-layers {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .system-service .system-layer:not(:last-child) {
    margin-right: 0;
  }
  .system-service .system-layer::after {
    display: none;
  }
  .preview-frame img {
    min-height: 300px;
  }
  .preview-carousel-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .preview-carousel-dots {
    justify-content: flex-start;
  }
  .problem-section {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .system-product-body {
    padding-bottom: 112px;
  }
  .system-floating-contact {
    top: auto;
    right: auto;
    bottom: 16px;
    left: 16px;
    width: 52px;
    height: 52px;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: center;
    justify-items: center;
    padding: 0;
    overflow: hidden;
    border-radius: 999px;
    transform: none;
    cursor: pointer;
  }
  .system-floating-contact:not(.is-open):hover,
  .system-floating-contact:not(.is-open):focus-within {
    width: 52px;
    height: 52px;
    min-height: 0;
    padding: 0;
  }
  .system-floating-contact:not(.is-open):hover .floating-contact-head,
  .system-floating-contact:not(.is-open):focus-within .floating-contact-head {
    justify-self: center;
    width: 50px;
    height: 50px;
    margin: 0;
    color: #fff;
    border-radius: 999px;
    background: var(--system-accent);
    font-size: 0;
    letter-spacing: 0;
    writing-mode: horizontal-tb;
  }
  .system-floating-contact:not(.is-open):hover .floating-contact-head::before,
  .system-floating-contact:not(.is-open):focus-within
    .floating-contact-head::before {
    content: "☎";
    font-size: 20px;
    line-height: 1;
  }
  .system-floating-contact:not(.is-open):hover .floating-contact-head::after,
  .system-floating-contact:not(.is-open):focus-within
    .floating-contact-head::after {
    content: none;
  }
  .system-floating-contact.is-open,
  .system-floating-contact.is-open:hover,
  .system-floating-contact.is-open:focus-within {
    right: auto;
    bottom: 84px;
    left: 12px;
    width: min(360px, calc(100vw - 24px));
    max-width: calc(100vw - 24px);
    height: auto;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: center;
    justify-items: stretch;
    padding: 12px;
    overflow: visible;
    border-radius: 8px;
    cursor: default;
    box-shadow: 0 20px 46px rgba(13, 33, 55, 0.18);
  }
  .floating-contact-head {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    justify-self: center;
    margin: 0;
    color: #fff;
    border-radius: 999px;
    background: var(--system-accent);
    font-size: 0;
    letter-spacing: 0;
    writing-mode: horizontal-tb;
  }
  .floating-contact-head::before {
    content: "☎";
    font-size: 20px;
    line-height: 1;
  }
  .system-floating-contact.is-open .floating-contact-head {
    grid-column: 1 / -1;
    justify-self: start;
    width: auto;
    height: auto;
    color: var(--system-accent);
    border-radius: 0;
    background: transparent;
    font-size: 11px;
    letter-spacing: 0;
    writing-mode: horizontal-tb;
  }
  .system-floating-contact.is-open .floating-contact-head::before {
    content: none;
  }
  .system-floating-contact.is-open .floating-contact-head::after {
    content: "×";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 8px;
    color: #7a8494;
    border-radius: 50%;
    background: rgba(23, 35, 58, 0.06);
    font-size: 14px;
    line-height: 1;
  }
  .floating-contact-item {
    min-width: 0;
    max-height: 0;
    padding: 0;
    overflow: hidden;
    border-top: 0;
    border-left: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(6px);
  }
  .system-floating-contact:not(.is-open) .floating-contact-item {
    max-height: 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(6px);
  }
  .system-floating-contact.is-open .floating-contact-item {
    max-height: none;
    padding: 10px 0 0;
    overflow: visible;
    border-top: 1px solid rgba(23, 35, 58, 0.08);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .system-floating-contact.is-open .floating-contact-item + .floating-contact-item {
    padding-left: 0;
    border-left: 0;
  }
  .floating-contact-item strong {
    font-size: 12px;
  }
  .microgrid-architecture {
    padding: 10px;
  }
  .microgrid-tier {
    grid-template-columns: 1fr;
  }
  .microgrid-tier-label {
    min-height: 68px;
    padding: 12px 14px;
  }
  .microgrid-device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .microgrid-device-grid article {
    min-height: 76px;
    border-bottom: 1px solid var(--system-line);
  }
  .microgrid-device-grid article:nth-child(even) {
    border-right: 0;
  }
  .microgrid-device-grid article:last-child {
    grid-column: 1 / -1;
    border-bottom: 0;
  }
  .microgrid-access-panels {
    grid-template-columns: 1fr;
  }
  .microgrid-access-group:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--system-line);
  }
  .microgrid-access-foundation {
    gap: 6px;
    padding: 8px;
  }
  .microgrid-access-foundation span {
    padding: 5px 4px;
    font-size: 10px;
  }
  .microgrid-platform-body {
    grid-template-columns: 1fr;
  }
  .microgrid-user-side {
    border-right: 0;
    border-bottom: 1px solid var(--system-line);
  }
  .microgrid-user-side > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .microgrid-storage {
    grid-template-columns: 1fr;
  }
  .microgrid-storage > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .system-station .preview-section {
    padding-left: 16px;
    padding-right: 16px;
  }
  .toilet-network-showcase {
    grid-template-columns: 1fr;
    padding: 16px;
    border-radius: 5px 22px 5px 22px;
  }
  .toilet-level-switch {
    top: calc(var(--header-height) + 8px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: -6px -6px 0;
    padding: 6px;
    border-radius: 4px 18px 4px 18px;
  }
  .toilet-level-switch button {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px;
    padding: 10px;
  }
  .toilet-level-switch strong {
    font-size: 13px;
  }
  .toilet-level-switch small {
    display: none;
  }
  .toilet-view {
    grid-template-columns: 1fr;
  }
  .toilet-view-copy h3 {
    font-size: 24px;
  }
  .toilet-screen img {
    aspect-ratio: auto;
  }
  .toilet-capability-rail {
    grid-template-columns: repeat(2, 1fr);
  }
  .toilet-capability-rail article:nth-child(2) {
    border-right: 0;
  }
  .toilet-capability-rail article:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  }

  .special-preview-water-twin,
  .special-preview-campus-hub,
  .special-preview-village-map,
  .special-preview-home-cockpit {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }
  .special-preview-water-twin .special-preview-copy,
  .special-preview-water-twin .special-preview-visual,
  .special-preview-water-twin .special-feature-list,
  .special-preview-campus-hub .special-preview-copy,
  .special-preview-campus-hub .special-preview-visual,
  .special-preview-village-map .special-preview-copy,
  .special-preview-village-map .special-preview-visual,
  .special-preview-village-map .special-feature-list,
  .special-preview-home-cockpit .special-preview-copy,
  .special-preview-home-cockpit .special-preview-visual,
  .special-preview-home-cockpit .special-feature-list {
    grid-column: 1;
    grid-row: auto;
    margin: 0;
  }
  .special-preview-water-twin .special-feature-list,
  .special-preview-village-map .special-feature-list,
  .special-preview-home-cockpit .special-feature-list {
    grid-template-columns: 1fr;
  }
  .special-preview-campus-hub .special-feature-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .special-preview-campus-hub .special-feature-list article {
    grid-column: 1 !important;
    grid-row: auto !important;
    border-right: 1px solid var(--system-line);
    border-radius: 8px;
  }
  .special-preview-village-map .special-preview-copy {
    padding: 24px 18px 0;
  }
  .special-preview-village-map .special-feature-list {
    padding: 0 18px 22px;
  }
  .special-preview-pv-console {
    padding: 24px 16px;
  }
  .architecture-image-frame {
    padding: 12px;
  }
  .architecture-image-frame--compact {
    width: 100%;
  }
  .architecture-image-frame--wide {
    width: 100%;
  }
  .architecture-image-frame--compact img {
    width: 100%;
    max-width: 100%;
  }
  .system-image-gallery {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .system-image-card-featured {
    grid-column: auto;
  }
  .system-image-card > div {
    padding: 0 14px;
  }
  .special-feature-list {
    grid-template-columns: 1fr;
  }
  .special-feature-list article {
    border-right: 0;
    border-bottom: 1px solid var(--system-line);
  }
  .special-preview-visual img {
    aspect-ratio: auto;
  }
  .system-process .preview-section,
  .system-campus .preview-section,
  .system-network .preview-section,
  .system-home .preview-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .system-header {
    height: 60px;
  }
  .system-header-inner {
    width: calc(100% - 28px);
    gap: 12px;
  }
  .system-brand {
    font-size: 14px;
  }
  .brand-mark {
    width: 18px;
    height: 18px;
    border-width: 5px;
  }
  .system-contact {
    display: none;
  }
  .system-page {
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
  }
  .system-section {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
    min-width: 0;
    padding: 56px 0;
  }
  .section-heading {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .section-heading h1,
  .section-heading h2 {
    width: 100%;
    max-width: 100%;
    white-space: normal;
    word-break: break-all;
    overflow-wrap: anywhere;
  }
  .section-heading {
    margin-bottom: 32px;
    text-align: left;
  }
  .section-heading > span {
    margin-left: 0;
  }
  .section-heading h1,
  .section-heading h2,
  .problem-copy h2,
  .system-overview h2 {
    font-size: 25px;
    line-height: 1.3;
    overflow-wrap: anywhere;
  }
  .architecture-board {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 16px;
  }
  .system-campus .architecture-board,
  .system-campus .architecture-core,
  .system-campus .architecture-layers,
  .system-campus .system-layer {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .system-campus .architecture-core {
    min-height: 232px;
    padding: 138px 18px 20px;
    border-radius: 16px;
  }
  .system-campus .architecture-core::before {
    inset: 18px 18px auto;
    height: 92px;
    border-radius: 14px;
  }
  .system-campus .architecture-core::after {
    top: 46px;
    width: 72px;
    height: 42px;
  }
  .system-campus .architecture-core strong {
    font-size: 24px;
  }
  .architecture-layers,
  .system-campus .architecture-layers,
  .system-network .architecture-layers,
  .system-operations .architecture-layers,
  .system-home .architecture-layers,
  .system-process .architecture-layers,
  .system-roadmap .architecture-layers,
  .system-station .architecture-layers,
  .system-service .architecture-layers {
    grid-template-columns: 1fr;
  }
  .system-layer {
    grid-template-columns: 110px 1fr;
    min-height: 0;
  }
  .system-process .system-layer,
  .system-campus .system-layer,
  .system-network .system-layer,
  .system-roadmap .system-layer,
  .system-operations .system-layer,
  .system-service .system-layer,
  .system-station .system-layer,
  .system-home .system-layer {
    grid-template-columns: 110px 1fr;
  }
  .layer-title {
    border-right: 1px solid var(--system-line) !important;
    border-bottom: 0 !important;
  }
  .layer-points {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .layer-points span {
    min-width: 0;
    min-height: 44px;
    padding: 8px 4px;
    overflow-wrap: anywhere;
    border-right: 0;
    border-bottom: 1px dashed var(--system-line);
    font-size: 11px;
  }
  .system-process .system-layer::after,
  .system-roadmap .system-layer::after {
    display: none;
  }
  .preview-frame img {
    min-height: 0;
  }
  .preview-carousel-stage {
    aspect-ratio: 16 / 10;
  }
  .preview-carousel-arrow {
    width: 34px;
    height: 34px;
    font-size: 18px;
  }
  .preview-carousel-prev {
    left: 8px;
  }
  .preview-carousel-next {
    right: 8px;
  }
  .preview-carousel-footer {
    min-height: 0;
    padding: 12px;
  }
  .preview-carousel-footer strong {
    font-size: 13px;
  }
  .preview-carousel-dots button {
    width: 22px;
  }
  .preview-carousel-dots button.is-active {
    width: 34px;
  }
  .system-roadmap .architecture-section {
    padding: 58px 16px;
    overflow: hidden;
  }
  .system-roadmap .architecture-section .section-heading {
    width: 100%;
    max-width: 100%;
  }
  .system-roadmap .architecture-section .section-heading h1 {
    max-width: 100%;
    font-size: 26px;
    line-height: 1.28;
    word-break: break-all;
  }
  .system-roadmap .architecture-board,
  .system-roadmap .architecture-layers,
  .system-roadmap .system-layer {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .system-roadmap .preview-section {
    padding: 58px 16px 72px;
  }
  .carbon-showcase {
    grid-template-columns: 1fr;
    gap: 22px;
    min-height: 0;
  }
  .carbon-showcase::before {
    display: none;
  }
  .carbon-cover {
    border-radius: 18px 5px 18px 5px;
  }
  .carbon-cover-copy {
    left: 18px;
    right: 18px;
    bottom: 16px;
  }
  .carbon-cover-copy strong {
    font-size: 18px;
  }
  .carbon-dashboard-stack {
    display: grid;
    min-height: 0;
    gap: 18px;
  }
  .carbon-dashboard {
    position: relative;
    width: 100%;
    inset: auto;
    transform: none;
  }
  .carbon-dashboard-label {
    padding: 13px 14px;
  }
  .system-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .system-stats div:nth-child(2) {
    border-right: 0;
  }
  .system-stats div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--system-line);
  }
  .problem-section {
    padding: 58px 16px;
  }
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .problem-card {
    border-right: 0;
  }
  .capability-grid {
    grid-template-columns: 1fr;
  }
  .capability-card {
    min-height: 0;
  }
  .system-product-body {
    overflow-x: hidden;
  }
  .system-overview {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    padding: 58px 16px;
  }
  .system-overview > div:first-child,
  .overview-tags,
  .overview-actions {
    grid-column: 1;
    grid-row: auto;
  }
  .overview-actions {
    flex-direction: column;
  }
  .overview-actions a {
    justify-content: center;
  }
  .overview-contact-result {
    grid-column: 1;
    grid-row: auto;
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* 微电网：科技蓝能源大屏与地图钻取 */
.theme-command {
  --system-accent: #08b9ff;
  --system-dark: #073a73;
  --system-soft: #e8f7ff;
  --system-bg: #f1f8fc;
}
.energy-showcase {
  overflow: hidden;
  border: 1px solid #173d67;
  border-radius: 14px;
  background: #031324;
  box-shadow: 0 30px 70px rgba(3, 31, 61, 0.24);
}
.energy-toolbar {
  display: flex;
  align-items: stretch;
  min-height: 64px;
  border-bottom: 1px solid rgba(76, 190, 255, 0.22);
  background: linear-gradient(90deg, #061a31, #092a4b 55%, #061a31);
}
.energy-tab {
  min-width: 190px;
  padding: 0 24px;
  border: 0;
  border-right: 1px solid rgba(89, 194, 255, 0.16);
  color: #8fb4d3;
  background: transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.energy-tab span {
  margin-right: 9px;
  color: #2a8bca;
  font-size: 11px;
}
.energy-tab.is-active {
  color: #fff;
  background: linear-gradient(
    180deg,
    rgba(16, 124, 198, 0.34),
    rgba(7, 47, 83, 0.1)
  );
  box-shadow: inset 0 -3px #12d9ff;
}
.energy-tab.is-active span {
  color: #11dcff;
}
.energy-path {
  margin-left: auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #8fb4d3;
  font-size: 12px;
}
.energy-path b {
  color: #21d8ff;
  letter-spacing: 0.08em;
}
.energy-screen {
  position: relative;
  display: none;
  overflow: hidden;
  background: #020b15;
}
.energy-screen.is-active {
  display: block;
  animation: energyFade 0.35s ease;
}
.energy-screen > img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.screen-tip {
  position: absolute;
  right: 20px;
  bottom: 18px;
  padding: 10px 14px;
  display: grid;
  gap: 2px;
  border: 1px solid rgba(42, 213, 255, 0.36);
  color: #fff;
  background: rgba(2, 17, 33, 0.78);
  backdrop-filter: blur(10px);
  border-radius: 5px;
  pointer-events: none;
}
.screen-tip strong {
  color: #21e0ff;
  font-size: 13px;
}
.screen-tip span {
  color: #a7c4d8;
  font-size: 11px;
}
.map-hotspot {
  position: absolute;
  z-index: 3;
  padding: 0;
  border: 0;
  color: #dffaff;
  background: none;
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transform: translate(-50%, -50%);
}
.map-hotspot i {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  margin: 0 auto 6px;
  border: 4px solid #26e9ff;
  border-radius: 50%;
  background: #02bce8;
  box-shadow:
    0 0 12px #00e5ff,
    0 0 30px rgba(0, 229, 255, 0.9);
}
.map-hotspot i::before,
.map-hotspot i::after {
  content: "";
  position: absolute;
  inset: -12px;
  border: 1px solid rgba(32, 226, 255, 0.75);
  border-radius: 50%;
  animation: hotspotPulse 2s infinite;
}
.map-hotspot i::after {
  animation-delay: 1s;
}
.map-hotspot span {
  padding: 4px 8px;
  border: 1px solid rgba(47, 213, 255, 0.3);
  border-radius: 3px;
  background: rgba(2, 27, 51, 0.82);
  white-space: nowrap;
}
.map-hotspot:hover span,
.map-hotspot.is-selected span {
  color: #04192a;
  background: #28e6ff;
}
.hotspot-sichuan {
  left: 47.2%;
  top: 51.4%;
}
.station-west {
  left: 41.7%;
  top: 41.5%;
}
.station-center {
  left: 47.2%;
  top: 47%;
}
.station-east {
  left: 53.5%;
  top: 52.2%;
}
.station-jump {
  scroll-margin-top: 90px;
  display: grid;
  grid-template-columns: 1.3fr 1.2fr 0.7fr auto;
  align-items: stretch;
  border-top: 1px solid rgba(73, 191, 255, 0.22);
  background: linear-gradient(90deg, #061a31, #092744);
}
.station-jump > div {
  min-height: 78px;
  padding: 17px 20px;
  display: grid;
  align-content: center;
  gap: 4px;
  border-right: 1px solid rgba(73, 191, 255, 0.16);
}
.station-jump span {
  color: #6e9cbe;
  font-size: 10px;
  letter-spacing: 0.12em;
}
.station-jump strong {
  color: #e8f8ff;
  font-size: 13px;
}
.station-jump .station-status {
  color: #35e7b0;
}
.station-jump .station-status.has-warning {
  color: #ffc969;
}
.station-jump > a {
  min-width: 190px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #021829;
  background: #21d8ff;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}
.station-jump > a:hover {
  background: #fff;
}
.energy-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(73, 191, 255, 0.22);
  background: #041425;
}
.energy-feature-grid article {
  min-height: 170px;
  padding: 26px 22px;
  border-right: 1px solid rgba(73, 191, 255, 0.14);
}
.energy-feature-grid article:last-child {
  border-right: 0;
}
.energy-feature-grid article > span {
  display: block;
  margin-bottom: 18px;
  color: #1edaff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.energy-feature-grid strong {
  color: #f2fbff;
  font-size: 16px;
}
.energy-feature-grid p {
  margin: 10px 0 0;
  color: #86a8c0;
  font-size: 12px;
  line-height: 1.8;
}
@keyframes hotspotPulse {
  0% {
    opacity: 0.9;
    transform: scale(0.45);
  }
  100% {
    opacity: 0;
    transform: scale(1.45);
  }
}
@keyframes energyFade {
  from {
    opacity: 0.45;
    transform: scale(1.006);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@media (max-width: 980px) {
  .energy-path {
    display: none;
  }
  .energy-tab {
    flex: 1;
    min-width: 0;
  }
  .station-jump {
    grid-template-columns: repeat(3, 1fr);
  }
  .station-jump > a {
    grid-column: 1 / -1;
    min-height: 54px;
  }
  .energy-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .energy-feature-grid article:nth-child(2) {
    border-right: 0;
  }
  .energy-feature-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(73, 191, 255, 0.14);
  }
}
@media (max-width: 680px) {
  .system-legal-footer {
    width: calc(100% - 32px);
    padding: 18px 0 24px;
    flex-direction: column;
    gap: 4px;
  }

  .energy-showcase {
    border-radius: 7px;
  }
  .energy-toolbar {
    min-height: 52px;
  }
  .energy-tab {
    padding: 0 8px;
    font-size: 11px;
  }
  .energy-tab span {
    display: none;
  }
  .screen-tip {
    right: 8px;
    bottom: 8px;
    padding: 7px 9px;
  }
  .screen-tip span,
  .map-hotspot span {
    display: none;
  }
  .map-hotspot i {
    width: 14px;
    height: 14px;
    border-width: 3px;
  }
  .station-jump {
    grid-template-columns: 1fr;
  }
  .station-jump > div {
    min-height: 64px;
    border-right: 0;
    border-bottom: 1px solid rgba(73, 191, 255, 0.14);
  }
  .station-jump > a {
    grid-column: auto;
  }
  .energy-feature-grid {
    grid-template-columns: 1fr;
  }
  .energy-feature-grid article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(73, 191, 255, 0.14);
  }
}

@media (max-width: 420px) {
  .system-floating-contact.is-open,
  .system-floating-contact.is-open:hover,
  .system-floating-contact.is-open:focus-within {
    grid-template-columns: 1fr;
  }
  .system-floating-contact.is-open .floating-contact-item + .floating-contact-item {
    padding-left: 0;
    border-left: 0;
  }
}