:root {
  --bg-main: #0b0f17;
  --bg-surface: #131b29;
  --bg-card: #1a2538;
  --accent: #3fb1cb;
  --accent-hover: #54c4dd;
  --accent-glow: rgba(63, 177, 203, 0.22);
  --accent-soft: rgba(63, 177, 203, 0.1);
  --text-main: #f0f4f8;
  --text-muted: #8e9db3;
  --radius: 14px;
  --border: rgba(63, 177, 203, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  word-break: break-word;
  overflow-wrap: break-word;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* Header standard navigation styles */
.emblem {
  background: rgba(11, 15, 23, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

.beacon {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.crest {
  display: flex;
  align-items: center;
  min-width: 0;
}

.crest img {
  height: 40px;
  width: auto;
  display: block;
}

.vector {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.aileron {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  min-width: 0;
}

.aileron:hover,
.aileron.active {
  color: #ffffff;
  background: var(--accent-soft);
  border-bottom: 2px solid var(--accent);
}

/* Main Area */
.radome {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero Article Intro Section */
.zenith {
  padding: 3.5rem 0 2.5rem;
}

.fuselage {
  background: linear-gradient(180deg, rgba(19, 27, 41, 0.8) 0%, rgba(11, 15, 23, 0.4) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  box-shadow: 0 12px 32px rgba(0,0,0,0.4), 0 0 20px var(--accent-glow);
}

.plume-h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 1rem;
  white-space: normal;
}

.visor-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 800px;
  margin-bottom: 2rem;
}

.flange-search {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--bg-main);
  padding: 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.strut-input {
  flex: 1 1 300px;
  min-width: 0;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1rem;
  padding: 0.5rem 1rem;
  outline: none;
}

.thrust-search {
  background: linear-gradient(135deg, var(--accent) 0%, #288fa7 100%);
  color: #ffffff;
  border: none;
  padding: 0.75rem 1.8rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 14px var(--accent-glow);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.thrust-search:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, #3fb1cb 100%);
  transform: translateY(-2px);
}

.flange-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.spool-tag {
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.05);
  cursor: pointer;
  transition: all 0.25s ease;
}

.spool-tag:hover,
.spool-tag.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.flange-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.spool-highlight {
  flex: 1 1 250px;
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.rudder-shield {
  width: 24px;
  height: 24px;
  fill: var(--accent);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.visor-highlight {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 500;
}

/* Directory Section */
.strato {
  padding: 3rem 0;
}

.plume-h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.visor-sub {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1rem;
}

.flange-directory {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.nacelle {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.nacelle:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 30px var(--accent-glow);
}

.bay-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.rudder-cate {
  width: 38px;
  height: 38px;
  padding: 8px;
  border-radius: 10px;
  background: var(--accent-soft);
  fill: var(--accent);
}

.spool-meta {
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(63, 177, 203, 0.15);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-weight: 600;
}

.plume-h3 {
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 0.6rem;
}

.visor-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.thrust-join {
  background: var(--bg-card);
  color: var(--text-main);
  text-decoration: none;
  text-align: center;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.25s ease;
}

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

/* Security Notice Section */
.apogee {
  padding: 3rem 0;
}

.hangar-security {
  background: rgba(26, 37, 56, 0.6);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: 0 10px 28px rgba(0,0,0,0.3);
}

.flange-rules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.cabin-rule {
  background: var(--bg-main);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 1.5rem;
}

.rudder-warn {
  width: 28px;
  height: 28px;
  fill: #ffb74d;
  margin-bottom: 0.75rem;
}

.plume-rule {
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

/* Submit Section */
.tarmac-submit {
  padding: 3rem 0 5rem;
}

.fuselage-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.flange-form {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.strut-field {
  flex: 1 1 240px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.visor-hatch {
  font-size: 0.9rem;
  color: var(--text-main);
  font-weight: 500;
}

.strut-input-field {
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-main);
  outline: none;
  font-size: 0.95rem;
}

.strut-input-field:focus {
  border-color: var(--accent);
}

.thrust-submit {
  background: linear-gradient(135deg, var(--accent) 0%, #288fa7 100%);
  color: #ffffff;
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 1rem;
  align-self: flex-start;
  transition: all 0.25s ease;
}

.thrust-submit:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, #3fb1cb 100%);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* Footer Section */
.base {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: auto;
}

.anchor {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}

.spool-brand {
  flex: 1 1 300px;
  min-width: 0;
}

.plume-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.visor-brand {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 350px;
}

.flange-links {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
}

.spool-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-width: 0;
}

.plume-col {
  font-size: 0.95rem;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.rivet-aileron {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.25s ease;
}

.rivet-aileron:hover {
  color: var(--accent);
}

.rivet-visor {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive Rules */
@media (max-width: 768px) {
  .beacon {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .vector {
    width: 100%;
    justify-content: flex-start;
    gap: 0.5rem;
  }

  .aileron {
    padding: 0.3rem 0.6rem;
    font-size: 0.88rem;
  }

  .fuselage {
    padding: 1.75rem 1.25rem;
  }

  .flange-directory {
    grid-template-columns: 1fr;
  }

  .flange-rules {
    grid-template-columns: 1fr;
  }
}

.vector-emblem{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 23, 0.88);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(63, 177, 203, 0.2);
        }

.vector-emblem .vector-beacon{
            max-width: 1320px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

.vector-emblem .vector-crest{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.vector-emblem .vector-crest img{
            height: 38px;
            width: auto;
            object-fit: contain;
        }

.vector-emblem .vector-vector{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            min-width: 0;
        }

.vector-emblem .vector-aileron{
            padding: 0.5rem 1.1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #8e9db3;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

.vector-emblem .vector-aileron:hover{
            color: #f0f4f8;
            background: rgba(63, 177, 203, 0.1);
            border-color: rgba(63, 177, 203, 0.2);
        }

.vector-emblem .vector-aileron.active{
            color: #ffffff;
            background: #3fb1cb;
            box-shadow: 0 0 14px rgba(63, 177, 203, 0.22);
        }

@media (max-width: 768px){.vector-emblem .vector-beacon{
                flex-direction: column;
                align-items: flex-start;
            }

.vector-emblem .vector-vector{
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 0.25rem;
            }}

.vector-emblem {
    background: rgb(11, 15, 23);
    background-image: none;
}

.tarmac-tarmac {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--text-main);
}
.tarmac-tarmac,
.tarmac-tarmac *,
.tarmac-tarmac *::before,
.tarmac-tarmac *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.tarmac-tarmac .tarmac-visor-cabin{
            font-size: 0.95rem;
            color: #8e9db3;
            line-height: 1.65;
        }

.tarmac-tarmac{
            background: #070a10;
            border-top: 1px solid rgba(63, 177, 203, 0.2);
            padding: 4rem 1.5rem 2.5rem 1.5rem;
            color: #8e9db3;
            font-size: 0.92rem;
        }

.tarmac-tarmac .tarmac-anchor{
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
            justify-content: space-between;
            margin-bottom: 3rem;
        }

.tarmac-tarmac .tarmac-base-info{
            flex: 1 1 320px;
            min-width: 0;
        }

.tarmac-tarmac .tarmac-base-brand{
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.tarmac-tarmac .tarmac-base-links{
            flex: 2 1 500px;
            min-width: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: flex-end;
        }

.tarmac-tarmac .tarmac-rivet-flange{
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
            min-width: 130px;
        }

.tarmac-tarmac .tarmac-rivet-head{
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }

.tarmac-tarmac .tarmac-rivet-flange a{
            color: #8e9db3;
        }

.tarmac-tarmac .tarmac-rivet-flange a:hover{
            color: #3fb1cb;
        }

.tarmac-tarmac .tarmac-tarmac-bottom{
            max-width: 1320px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.88rem;
        }

@media (max-width: 768px){.tarmac-tarmac .tarmac-base-links{
                justify-content: flex-start;
            }}