:root {
  --primary: #d1604e;
  --primary-hover: #b84d3b;
  --primary-light: rgba(209, 96, 78, 0.08);
  --primary-gradient: linear-gradient(135deg, #d1604e 0%, #e07a5f 100%);
  --dark-bg: #16181d;
  --dark-surface: #1e222b;
  --light-bg: #faf8f5;
  --light-surface: #ffffff;
  --text-main: #1f2329;
  --text-muted: #646a73;
  --border-light: rgba(31, 35, 41, 0.08);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.12);
  --radius-main: 22px;
  --radius-sm: 14px;
  --transition: all 0.35s ease;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* 导航栏样式复用 */
header.tail {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  padding: 1.1rem 2rem;
}

.vector-stream {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

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

.apex span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.vector-fleet {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.runway-draft {
  padding: 0.55rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 99px;
  transition: var(--transition);
}

.runway-draft:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.runway-draft.active {
  color: #ffffff;
  background: var(--primary-gradient);
  box-shadow: 0 8px 20px rgba(209, 96, 78, 0.25);
}

/* 主版心与容器布局 */
main {
  width: 100%;
}

.airfoil-canopy {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero Section */
.takeoff-sheath {
  padding: 4.5rem 1.5rem 5.5rem;
  background: radial-gradient(circle at 85% 15%, rgba(209, 96, 78, 0.09) 0%, transparent 45%),
              radial-gradient(circle at 15% 85%, rgba(224, 122, 95, 0.06) 0%, transparent 40%);
}

.thermal-ribbon {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3.5rem;
}

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

.apogee-route {
  font-size: clamp(2.1rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.25;
  color: #11141a;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
  white-space: normal;
}

.apogee-route span {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.zenith-glyph {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.nose-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.launch-propel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2.2rem;
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 99px;
  box-shadow: 0 16px 36px rgba(209, 96, 78, 0.28);
  transition: var(--transition);
}

.launch-propel:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(209, 96, 78, 0.38);
}

.thrust-draft {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2.2rem;
  background: var(--light-surface);
  color: var(--text-main);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 99px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.thrust-draft:hover {
  background: #ffffff;
  border-color: rgba(209, 96, 78, 0.3);
  color: var(--primary);
  transform: translateY(-2px);
}

.apogee-vista {
  flex: 1 1 440px;
  min-width: 0;
  background: var(--dark-bg);
  border-radius: var(--radius-main);
  padding: 2.2rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.apogee-vista::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(209, 96, 78, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.glider-crease {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.leaflet-wing {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  background: var(--dark-surface);
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.leaflet-wing:hover {
  border-color: rgba(209, 96, 78, 0.4);
  transform: translateX(4px);
}

.crest-sheath {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(209, 96, 78, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.crest-sheath svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
}

.nose-glyph {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.wing-draft {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Category Directory Section */
.canopy-sheath {
  padding: 6rem 0;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.apogee-tail {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.apogee-tail .apogee-route {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 0.8rem;
}

.apogee-tail .zenith-glyph {
  margin: 0 auto;
}

.crease-ribbon {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.8rem;
}

.crease-glider {
  background: var(--light-bg);
  border-radius: var(--radius-main);
  padding: 2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.crease-glider:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(209, 96, 78, 0.25);
  background: #ffffff;
}

.nose-crest {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.nose-crest svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
}

.crease-route {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.crease-glyph {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.leaflet-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.wing-tag {
  padding: 0.35rem 0.85rem;
  border-radius: 99px;
  background: rgba(31, 35, 41, 0.05);
  color: var(--text-main);
  font-size: 0.825rem;
  font-weight: 500;
}

/* Bot Ecosystem Article Section */
article.canopy-sheath {
  padding: 6rem 0;
  background: var(--light-bg);
}

.glider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.bot-glider {
  background: #ffffff;
  border-radius: var(--radius-main);
  padding: 2.2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.bot-glider::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: var(--transition);
}

.bot-glider:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.bot-glider:hover::after {
  opacity: 1;
}

.bot-tail {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.bot-crest {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bot-crest svg {
  width: 30px;
  height: 30px;
  stroke: #ffffff;
}

.bot-route {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

.bot-strut {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  margin-top: 0.25rem;
}

.bot-desc {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.bot-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border-top: 1px dashed var(--border-light);
  padding-top: 1.25rem;
}

.bot-feature-wing {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-main);
  font-weight: 500;
}

.bot-feature-wing svg {
  width: 18px;
  height: 18px;
  stroke: var(--primary);
  flex-shrink: 0;
}

/* Search Methodology Context Section */
div.context-sheath {
  padding: 6rem 0;
  background: var(--dark-bg);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

div.context-sheath .apogee-route {
  color: #ffffff;
}

div.context-sheath .zenith-glyph {
  color: rgba(255, 255, 255, 0.7);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.method-glider {
  background: var(--dark-surface);
  border-radius: var(--radius-main);
  padding: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
  transition: var(--transition);
}

.method-glider:hover {
  border-color: rgba(209, 96, 78, 0.5);
  transform: translateY(-4px);
}

.method-num {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 1rem;
}

.method-route {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.method-glyph {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

/* 页脚 Footer */
footer.hangar-tarmac {
  background: #111317;
  color: rgba(255, 255, 255, 0.65);
  padding: 4.5rem 1.5rem 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tarmac-stream {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  justify-content: space-between;
  margin-bottom: 3.5rem;
}

.haven-wing {
  flex: 1 1 300px;
  min-width: 0;
}

.haven-route {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.haven-glyph {
  font-size: 0.925rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 360px;
}

.haven-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  flex: 2 1 500px;
  min-width: 0;
  justify-content: flex-end;
}

.haven-column {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-width: 140px;
}

.column-route {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.column-draft {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.column-draft:hover {
  color: var(--primary);
}

.flick-haven {
  max-width: 1240px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
}

.flick-drafts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .haven-ribbon {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  header.tail {
    padding: 0.9rem 1rem;
  }
  
  .vector-stream {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .vector-fleet {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.3rem;
  }
  
  .takeoff-sheath {
    padding: 3rem 1rem 4rem;
  }
  
  .canopy-sheath, 
  article.canopy-sheath, 
  div.context-sheath {
    padding: 4rem 0;
  }
  
  .flick-haven {
    flex-direction: column;
    align-items: flex-start;
  }
}

.runway-tail{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 248, 245, 0.88);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        }

.runway-tail .runway-vector-stream{
            max-width: 1280px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

.runway-tail .runway-apex{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.35rem;
            color: #1f2329;
        }

.runway-tail .runway-apex img{
            height: 38px;
            width: auto;
            display: block;
        }

.runway-tail .runway-vector-fleet{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
        }

.runway-tail .runway-runway-draft{
            padding: 0.6rem 1.2rem;
            border-radius: 99px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #646a73;
        }

.runway-tail .runway-runway-draft:hover, .runway-tail .runway-runway-draft.active{
            color: #d1604e;
            background-color: rgba(209, 96, 78, 0.08);
        }

@media (max-width: 768px){.runway-tail .runway-vector-stream{
                padding: 0.8rem 1rem;
            }

.runway-tail .runway-vector-fleet{
                width: 100%;
                justify-content: space-around;
                margin-top: 0.8rem;
            }

.runway-tail .runway-runway-draft{
                padding: 0.4rem 0.8rem;
                font-size: 0.88rem;
            }}

.runway-tail {
    background: rgb(250, 248, 245);
    background-image: none;
}

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

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

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

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

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

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

.hangar-hangar-flick{
            background: #16181d;
            color: #8c96a6;
            padding: 4rem 2rem 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

.hangar-hangar-flick .hangar-hangar-airfoil{
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 3rem;
            margin-bottom: 3rem;
        }

.hangar-hangar-flick .hangar-hangar-wing{
            min-width: 0;
            max-width: 380px;
        }

.hangar-hangar-flick .hangar-hangar-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.hangar-hangar-flick .hangar-hangar-glyph{
            font-size: 0.9rem;
            line-height: 1.7;
        }

.hangar-hangar-flick .hangar-hangar-runway-ribbon{
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
        }

.hangar-hangar-flick .hangar-hangar-column{
            min-width: 140px;
        }

.hangar-hangar-flick .hangar-hangar-head{
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1.2rem;
        }

.hangar-hangar-flick .hangar-hangar-fleet{
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

.hangar-hangar-flick .hangar-hangar-draft{
            font-size: 0.9rem;
            color: #a0aec0;
        }

.hangar-hangar-flick .hangar-hangar-draft:hover{
            color: #d1604e;
        }

.hangar-hangar-flick .hangar-hangar-bottom{
            max-width: 1280px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }

@media (max-width: 768px){.hangar-hangar-flick .hangar-hangar-airfoil{
                flex-direction: column;
                gap: 2rem;
            }}