:root {
  --primary: #2e84e7;
  --primary-hover: #4b96f3;
  --bg-dark: #090d16;
  --bg-surface: #111827;
  --bg-elevated: #1a2337;
  --text-main: #f0f4fc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-cyan: #00f2fe;
  --accent-green: #10b981;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

/* Header & Nav */
.prow {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.airframe {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.emblem img {
  height: 38px;
  width: auto;
  display: block;
}

.hanglu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.hanglu-glide {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.35s ease;
}

.hanglu-glide:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.hanglu-glide.active {
  color: var(--primary);
  background: rgba(46, 132, 231, 0.12);
  font-weight: 600;
}

.thrust {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, #1d68c4 100%);
  color: #ffffff;
  padding: 10px 24px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 4px 18px rgba(46, 132, 231, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.35s ease;
  white-space: nowrap;
}

.thrust:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #2577df 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(46, 132, 231, 0.45);
}

/* Main Layout Setup */
main {
  width: 100%;
}

.canopy {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section 1: Zenith Quick Switch (Intro Section) */
.zenith {
  padding: 64px 0 80px;
  background: radial-gradient(circle at 50% 20%, rgba(46, 132, 231, 0.12) 0%, transparent 65%);
}

.lingyun {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 56px;
  min-width: 0;
}

.slat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  color: var(--accent-cyan);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.apex {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.5px;
  color: var(--text-main);
  margin-bottom: 16px;
  white-space: normal;
}

.flight {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}

.unit {
  flex: 1 1 320px;
  max-width: 380px;
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid #24314d;
  border-radius: 18px;
  padding: 32px 24px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 40px rgba(46, 132, 231, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.unit:hover {
  transform: translateY(-5px);
  border-color: rgba(46, 132, 231, 0.5);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 50px rgba(46, 132, 231, 0.2);
}

.beacon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(46, 132, 231, 0.12);
  border: 1px solid rgba(46, 132, 231, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary-hover);
}

.beacon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.payload {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.cangxiao {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

.ignite {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  background: rgba(46, 132, 231, 0.15);
  border: 1px solid rgba(46, 132, 231, 0.3);
  color: var(--primary-hover);
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.35s ease;
}

.ignite:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Section 2: Fuselage Step Guide (Article Section) */
.fuselage {
  padding: 80px 0;
  background: var(--bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.luopan {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.flaps {
  flex: 1 1 450px;
  min-width: 0;
}

.cabin {
  flex: 1 1 450px;
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid #24314d;
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.daowei {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 32px;
}

.chufa {
  display: flex;
  gap: 20px;
  min-width: 0;
}

.chufa-crest {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(46, 132, 231, 0.15);
  border: 1px solid rgba(46, 132, 231, 0.3);
  color: var(--primary-hover);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chufa-info {
  min-width: 0;
}

.chufa-apex {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.chufa-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Mockup UI Window */
.mockup {
  background: var(--bg-elevated);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.mockup-slat {
  background: rgba(0, 0, 0, 0.3);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.mockup-body {
  padding: 28px 24px;
  text-align: center;
}

.dialog-box {
  background: var(--bg-surface);
  border: 1px solid rgba(46, 132, 231, 0.4);
  border-radius: 14px;
  padding: 24px;
  max-width: 340px;
  margin: 0 auto;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.dialog-apex {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.dialog-flight {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.dialog-btns {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.dialog-thrust-cancel {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.05);
}

.dialog-thrust-confirm {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: #fff;
  background: var(--primary);
  font-weight: 600;
}

/* Section 3: Tarmac Troubleshooting (Div Section) */
.tarmac {
  padding: 80px 0;
  background: var(--bg-surface);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.jidi {
  max-width: 860px;
  margin: 0 auto;
  min-width: 0;
}

.strut {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.faq-payload {
  background: var(--bg-elevated);
  border: 1px solid #24314d;
  border-radius: 14px;
  padding: 24px;
  transition: all 0.35s ease;
}

.faq-payload:hover {
  border-color: rgba(46, 132, 231, 0.4);
}

.faq-q {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq-q-beacon {
  color: var(--accent-cyan);
  font-weight: 800;
}

.faq-a {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-a p + p {
  margin-top: 8px;
}

/* Footer Section */
.fin {
  background: #060910;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 56px 0 32px;
  color: var(--text-muted);
}

.hangar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}

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

.hangar-brand-apex {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}

.hangar-brand-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.hangar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}

.hangar-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.35s ease;
}

.hangar-links a:hover {
  color: var(--primary-hover);
}

.hangar-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Responsive Rules */
@media (max-width: 768px) {
  .airframe {
    flex-direction: column;
    align-items: flex-start;
  }
  .hanglu {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .apex {
    font-size: 1.85rem;
  }
  .unit {
    max-width: 100%;
  }
  .luopan {
    flex-direction: column;
  }
  .hangar-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

.hanglu-prow .hanglu-airframe{
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

.hanglu-prow{
            background: rgba(9, 13, 22, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid #24314d;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 16px 0;
        }

.hanglu-prow .hanglu-airframe{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

.hanglu-prow .hanglu-emblem{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.hanglu-prow .hanglu-emblem img{
            height: 38px;
            width: auto;
            display: block;
        }

.hanglu-prow .hanglu-hanglu{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 28px;
        }

.hanglu-prow .hanglu-hanglu-glide{
            color: #94a3b8;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: 0.35s ease;
            padding: 6px 0;
            position: relative;
        }

.hanglu-prow .hanglu-hanglu-glide:hover, .hanglu-prow .hanglu-hanglu-glide.active{
            color: #2e84e7;
        }

.hanglu-prow .hanglu-hanglu-glide.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #2e84e7;
            border-radius: 2px;
        }

.hanglu-prow .hanglu-thrust{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #2e84e7 0%, #1d68c4 100%);
            color: #ffffff;
            padding: 12px 28px;
            border-radius: 14px;
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
            transition: 0.35s ease;
            box-shadow: 0 4px 18px rgba(46, 132, 231, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
        }

.hanglu-prow .hanglu-thrust:hover{
            background: linear-gradient(135deg, #4b96f3 0%, #297be6 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(46, 132, 231, 0.5);
        }

@media (max-width: 768px){.hanglu-prow .hanglu-hanglu{
                display: none; 
            }

.hanglu-prow .hanglu-airframe{
                justify-content: space-between;
            }

.hanglu-prow .hanglu-thrust{
                width: 100%;
            }}

.hanglu-prow {
    background: rgb(9, 13, 22);
    background-image: none;
}

.hangar-jidi {
    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);
}
.hangar-jidi,
.hangar-jidi *,
.hangar-jidi *::before,
.hangar-jidi *::after {
    box-sizing: border-box;
}

.hangar-jidi [role="navigation"],
.hangar-jidi div,
.hangar-jidi section,
.hangar-jidi article,
.hangar-jidi aside,
.hangar-jidi p,
.hangar-jidi h1,
.hangar-jidi h2,
.hangar-jidi h3,
.hangar-jidi h4,
.hangar-jidi h5,
.hangar-jidi h6,
.hangar-jidi a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

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

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

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

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

.hangar-jidi .hangar-airframe{
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

.hangar-jidi{
            background: #05080f;
            border-top: 1px solid #24314d;
            padding: 60px 0 30px;
            color: #64748b;
            font-size: 0.9rem;
        }

.hangar-jidi .hangar-tarmac{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 40px;
        }

.hangar-jidi .hangar-hangar-brand{
            max-width: 380px;
        }

.hangar-jidi .hangar-hangar-brand span{
            font-size: 1.3rem;
            font-weight: 700;
            color: #f0f4fc;
            display: block;
            margin-bottom: 12px;
        }

.hangar-jidi .hangar-hangar-brand p{
            line-height: 1.6;
            margin-bottom: 16px;
        }

.hangar-jidi .hangar-fleet-links{
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

.hangar-jidi .hangar-fleet-column h5{
            color: #f0f4fc;
            font-size: 0.95rem;
            margin-bottom: 16px;
            font-weight: 600;
        }

.hangar-jidi .hangar-fleet-column a{
            display: block;
            color: #64748b;
            text-decoration: none;
            margin-bottom: 10px;
            transition: 0.35s ease;
        }

.hangar-jidi .hangar-fleet-column a:hover{
            color: #2e84e7;
        }

.hangar-jidi .hangar-bottom-slat{
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
        }