:root {
  --primary: #114af2;
  --primary-glow: rgba(17, 74, 242, 0.35);
  --accent: #00f2fe;
  --bg-dark: #070a12;
  --bg-surface: #0f172a;
  --bg-card: #162036;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --radius: 8px;
}

* {
  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;
  overflow-x: hidden;
}

/* 强制 Header 样式复用 */
header.vista {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

.hangar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.vector {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.crease {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.crease img {
  height: 2.25rem;
  width: auto;
}

.crease span {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

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

.fuselage {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.15s ease;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  word-break: break-word;
}

.fuselage:hover,
.fuselage.active {
  color: #ffffff;
  background: rgba(17, 74, 242, 0.15);
  border: 1px solid rgba(17, 74, 242, 0.3);
}

/* 主内容容器 */
main {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* 首屏 Hero 区块 */
.launch {
  padding: 4rem 2rem;
  background: radial-gradient(circle at 70% 30%, rgba(17, 74, 242, 0.18) 0%, transparent 60%),
              radial-gradient(circle at 20% 80%, rgba(0, 242, 254, 0.1) 0%, transparent 50%),
              var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(17, 74, 242, 0.12);
  margin-bottom: 4rem;
}

.skyward {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: center;
}

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

.rudder {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  color: #ffffff;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  white-space: normal;
}

.aileron {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.flock {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.thrust {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, #114af2 0%, #0d38b8 100%);
  color: #ffffff;
  font-weight: 600;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(17, 74, 242, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-decoration: none;
  transition: all 0.15s ease;
  min-width: 0;
  cursor: pointer;
}

.thrust:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(17, 74, 242, 0.5);
  background: linear-gradient(135deg, #1a54ff 0%, #1042d6 100%);
}

.flick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all 0.15s ease;
  min-width: 0;
}

.flick:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.driftway {
  flex: 1 1 360px;
  min-width: 0;
  background: rgba(7, 10, 18, 0.6);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--radius);
  padding: 2rem;
}

.origami {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

/* 分类矩阵 (Article 角色) */
.airspace {
  margin-bottom: 5rem;
}

.feather {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.glider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.leaflet {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all 0.15s ease;
  min-width: 0;
  position: relative;
  overflow: hidden;
}

.leaflet:hover {
  transform: translateY(-4px);
  border-color: rgba(17, 74, 242, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 15px rgba(17, 74, 242, 0.2);
}

.wingtip {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(17, 74, 242, 0.15);
  border: 1px solid rgba(17, 74, 242, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.thermal {
  list-style: none;
  margin-top: 1rem;
}

.thermal li {
  padding: 0.5rem 0;
  border-top: 1px dashed var(--border-color);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.thermal li a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.15s ease;
}

.thermal li a:hover {
  color: var(--accent);
}

.propel {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border-radius: 4px;
}

/* 搜群技巧 (Div 角色) */
.zenith {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  margin-bottom: 5rem;
}

.zenith-whisper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.zenith-glider {
  background: rgba(7, 10, 18, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.zenith-glider h3 {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* 隐私安全 (Aside 角色) */
.envelope {
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--radius);
  padding: 3rem 2rem;
}

.envelope-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
}

.envelope-thermal {
  flex: 1 1 250px;
  min-width: 0;
  background: rgba(15, 23, 42, 0.6);
  padding: 1.5rem;
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
}

/* 页脚 (div role=contentinfo) */
.beacon {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.tarmac {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 3rem;
}

.runway {
  flex: 1 1 240px;
  min-width: 0;
}

.runway h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.runway ul {
  list-style: none;
}

.runway li {
  margin-bottom: 0.6rem;
}

.runway a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}

.runway a:hover {
  color: var(--accent);
}

.landing {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .vector {
    height: auto;
    padding: 1rem 0;
    flex-direction: column;
    gap: 1rem;
  }
  .plume {
    justify-content: center;
    width: 100%;
  }
  .launch {
    padding: 2rem 1.25rem;
  }
  .glider {
    grid-template-columns: 1fr;
  }
}

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

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

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

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

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

.airway-vista a.airway-fuselage {
    --aisite-shell-nav-padding: 0.5rem 1rem;
    --aisite-shell-nav-margin: 0;
    --aisite-shell-nav-line-height: normal;
    --aisite-shell-nav-display: inline;
    --aisite-shell-nav-height: auto;
    --aisite-shell-nav-min-height: auto;
}

.airway-vista a.airway-fuselage,
.airway-vista a.airway-fuselage:hover,
.airway-vista a.airway-fuselage:focus,
.airway-vista a.airway-fuselage:active,
.airway-vista a.airway-fuselage.active,
.airway-vista a.airway-fuselage[aria-current="page"] {
    background: transparent;
    border: none;
    border-bottom: none;
    box-shadow: none;
    outline: none;
    text-decoration: none;
    padding: var(--aisite-shell-nav-padding, 0);
    margin: var(--aisite-shell-nav-margin, 0);
    line-height: var(--aisite-shell-nav-line-height, normal);
    display: var(--aisite-shell-nav-display, inline);
    height: var(--aisite-shell-nav-height, auto);
    min-height: var(--aisite-shell-nav-min-height, auto);
}

.airway-vista{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 10, 18, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1rem 0;
        }

.airway-vista .airway-hangar{
            width: 90vw;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

.airway-vista .airway-vector{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

.airway-vista .airway-crease{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #f8fafc;
            letter-spacing: -0.02em;
        }

.airway-vista .airway-crease img{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

.airway-vista .airway-plume{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }

.airway-vista .airway-fuselage{
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #94a3b8;
            transition: all 0.15s ease;
        }

.airway-vista .airway-fuselage:hover, .airway-vista .airway-fuselage.active{
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

.airway-vista .airway-fuselage.active{
            color: #00f2fe;
            border-color: rgba(0, 242, 254, 0.2);
            background: rgba(17, 74, 242, 0.12);
        }

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

.airway-vista {
    background: rgb(7, 10, 18);
    background-image: none;
}

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

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

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

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

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

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

.tarmac-beacon .tarmac-hangar{
            width: 90vw;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

.tarmac-beacon{
            background: #030509;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 4rem 0 2rem;
            color: #94a3b8;
            font-size: 0.9rem;
        }

.tarmac-beacon .tarmac-tarmac{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

.tarmac-beacon .tarmac-runway-col{
            flex: 1 1 220px;
            min-width: 0;
        }

.tarmac-beacon .tarmac-landing-brand{
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.tarmac-beacon .tarmac-landing-desc{
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

.tarmac-beacon .tarmac-runway-rudder{
            color: #ffffff;
            font-weight: 600;
            margin-bottom: 1.2rem;
            font-size: 1rem;
        }

.tarmac-beacon .tarmac-runway-links{
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            list-style: none;
        }

.tarmac-beacon .tarmac-runway-links a:hover{
            color: #00f2fe;
        }

.tarmac-beacon .tarmac-copyright{
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 0.85rem;
        }