:root {
  --primary: #f8ac56;
  --primary-dark: #e0943e;
  --accent: #2AABEE;
  --accent-light: #e8f6fe;
  --text-main: #0e1621;
  --text-muted: #6c7883;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #f4f6f9;
  color: var(--text-main);
  line-height: 1.7;
  word-break: break-word;
  overflow-wrap: break-word;
}

.circuit {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 强制复用首页导航栏样式 */
.conduit {
  background: #17212b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 1.5rem;
}

.conduit-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.stamp {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.stamp img {
  height: 40px;
  width: 40px;
  object-fit: contain;
}

.stamp-memo {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.relay {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.relay-wire {
  color: #7f91a4;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.35s ease;
  white-space: normal;
}

.relay-wire:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.relay-wire.active {
  color: #ffffff;
  background: var(--primary);
  color: #17212b;
  font-weight: 700;
}

/* 顶层区 1: Spark (download_hero reverse_split) */
.spark {
  background: linear-gradient(135deg, #1e2a38 0%, #0e1621 100%);
  color: #ffffff;
  padding: 4rem 1.5rem;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.spark-casing {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3rem;
}

.spark-bundle {
  flex: 1 1 500px;
  min-width: 0;
}

.spark-crest {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(42, 171, 238, 0.15);
  border: 1px solid rgba(42, 171, 238, 0.3);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.spark-prompt {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.25;
  color: #ffffff;
  letter-spacing: -0.5px;
  margin-bottom: 1.25rem;
  word-break: keep-all;
  white-space: normal;
}

.spark-memo {
  font-size: 1.05rem;
  color: #a2b0c0;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.spark-tape {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 2.2rem;
}

.spark-dash {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: #e3e8ed;
}

.keyer-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--primary);
  color: #17212b;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(248, 172, 86, 0.35);
  transition: all 0.35s ease;
  border: none;
  cursor: pointer;
}

.keyer-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(248, 172, 86, 0.45);
}

.spark-surface {
  flex: 1 1 420px;
  min-width: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.spark-surface-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1.5rem;
}

.spark-surface-prompt {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.spark-surface-tag {
  background: rgba(248, 172, 86, 0.2);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
}

.spark-surface-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.9rem;
}

.spark-surface-tempo {
  color: #7f91a4;
}

.spark-surface-value {
  color: #ffffff;
  font-weight: 600;
}

/* 顶层区 2: Matrix (platform_matrix) */
.matrix {
  padding: 4.5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.matrix-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.matrix-prompt {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1rem;
  letter-spacing: -0.3px;
}

.matrix-memo {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.matrix-casing {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.dispatch {
  flex: 1 1 340px;
  min-width: 0;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  border: 1px solid #e3e8ed;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.dispatch:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(42, 171, 238, 0.4);
}

.dispatch-top {
  margin-bottom: 1.5rem;
}

.dispatch-crest {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.dispatch-prompt {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.dispatch-memo {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.dispatch-tape {
  list-style: none;
  margin-bottom: 1.75rem;
}

.dispatch-dash {
  font-size: 0.875rem;
  color: #4a5568;
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.keyer-accent {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-light);
  color: #0c7ab3;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.35s ease;
}

.keyer-accent:hover {
  background: var(--accent);
  color: #ffffff;
}

/* 顶层区 3: Beacon (installation_guide <aside>) */
.beacon {
  background: #ffffff;
  border-top: 1px solid #e3e8ed;
  border-bottom: 1px solid #e3e8ed;
  padding: 4.5rem 1.5rem;
}

.beacon-casing {
  max-width: 1200px;
  margin: 0 auto;
}

.beacon-head {
  margin-bottom: 3rem;
}

.beacon-prompt {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.beacon-memo {
  font-size: 1rem;
  color: var(--text-muted);
}

.beacon-tape {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
}

.packet {
  flex: 1 1 320px;
  min-width: 0;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all 0.35s ease;
}

.packet:hover {
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  border-color: var(--primary);
}

.packet-prompt {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.packet-memo {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* 底部 Anchor / Ground */
.ground {
  background: #17212b;
  color: #7f91a4;
  padding: 3.5rem 1.5rem 2rem 1.5rem;
  margin-top: auto;
}

.ground-casing {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ground-pulse {
  flex: 1 1 300px;
  min-width: 0;
}

.ground-stamp-memo {
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}

.ground-memo {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #7f91a4;
}

.ground-tape {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
}

.ground-dash {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ground-prompt {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
}

.ground-wire {
  color: #7f91a4;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.35s ease;
}

.ground-wire:hover {
  color: var(--primary);
}

.ground-base {
  max-width: 1200px;
  margin: 2rem auto 0 auto;
  text-align: center;
  font-size: 0.85rem;
  color: #526375;
}

/* 内联 SVG 图标样式 */
.glyph {
  width: 24px;
  height: 24px;
  fill: currentColor;
  display: inline-block;
  vertical-align: middle;
}

@media (max-width: 768px) {
  .conduit-inner {
    height: auto;
    padding: 1rem 0;
    flex-direction: column;
    gap: 1rem;
  }
  .relay {
    justify-content: center;
    width: 100%;
  }
  .spark-prompt {
    font-size: 1.75rem;
  }
  .matrix-prompt {
    font-size: 1.5rem;
  }
  .spark {
    padding: 2.5rem 1rem;
  }
  .matrix {
    padding: 2.5rem 1rem;
  }
  .beacon {
    padding: 2.5rem 1rem;
  }
}

.relay-conduit{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e3e8ed;
            padding: 0 2rem;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.relay-conduit .relay-conduit-inner{
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

.relay-conduit .relay-stamp{
            display: flex;
            align-items: center;
            gap: 12px;
        }

.relay-conduit .relay-stamp img{
            height: 42px;
            width: auto;
            display: block;
        }

.relay-conduit .relay-stamp-memo{
            font-size: 1.25rem;
            font-weight: 800;
            color: #17212b;
            letter-spacing: -0.5px;
        }

.relay-conduit .relay-relay{
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

.relay-conduit .relay-relay-wire{
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #6c7883;
            border-radius: 8px;
            transition: all 0.35s ease;
        }

.relay-conduit .relay-relay-wire:hover{
            color: #17212b;
            background: rgba(248, 172, 86, 0.12);
        }

.relay-conduit .relay-relay-wire.active{
            color: #17212b;
            background: #f8ac56;
            box-shadow: 0 2px 8px rgba(248, 172, 86, 0.35);
        }

@media (max-width: 768px){.relay-conduit{
                height: auto;
                padding: 1rem;
            }

.relay-conduit .relay-conduit-inner{
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
            }}

.relay-conduit {
    background: rgb(255, 255, 255);
    background-image: none;
}

.ground-ground {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--text-main);
}
.ground-ground,
.ground-ground *,
.ground-ground *::before,
.ground-ground *::after {
    box-sizing: border-box;
}

.ground-ground nav,
.ground-ground div,
.ground-ground section,
.ground-ground article,
.ground-ground aside,
.ground-ground p,
.ground-ground h1,
.ground-ground h2,
.ground-ground h3,
.ground-ground h4,
.ground-ground h5,
.ground-ground h6,
.ground-ground a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.ground-ground p,
.ground-ground h1,
.ground-ground h2,
.ground-ground h3,
.ground-ground h4,
.ground-ground h5,
.ground-ground h6 {
    text-decoration: none;
}

.ground-ground img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.ground-ground {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.ground-ground a,
.ground-ground a:hover,
.ground-ground a:focus,
.ground-ground a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.ground-ground{
            background: #17212b;
            color: #8c9ea8;
            padding: 4rem 2rem 2rem 2rem;
            border-top: 1px solid #2b394a;
        }

.ground-ground .ground-ground-inner{
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 3rem;
        }

.ground-ground .ground-ground-top{
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2.5rem;
        }

.ground-ground .ground-ground-brand{
            max-width: 380px;
        }

.ground-ground .ground-ground-brand-prompt{
            font-size: 1.4rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.ground-ground .ground-ground-brand-memo{
            font-size: 0.9rem;
            line-height: 1.7;
            color: #8c9ea8;
        }

.ground-ground .ground-ground-spool-tape{
            display: flex;
            gap: 3.5rem;
            flex-wrap: wrap;
        }

.ground-ground .ground-ground-column{
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.ground-ground .ground-ground-column-prompt{
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
        }

.ground-ground .ground-ground-wire{
            font-size: 0.88rem;
            color: #8c9ea8;
        }

.ground-ground .ground-ground-wire:hover{
            color: #f8ac56;
        }

.ground-ground .ground-ground-pulse{
            border-top: 1px solid #242f3d;
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
        }