:root {
  --primary: #a849eb;
  --primary-dark: #8222cb;
  --primary-light: #c881f7;
  --accent: #38ef7d;
  --bg-dark: #0d0a18;
  --bg-card: #18122b;
  --bg-card-hover: #221a3c;
  --text-main: #f3f0fd;
  --text-sub: #b2a8d3;
  --radius: 18px;
}

* {
  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(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

/* 导航栏复用 */
.soar {
  background: rgba(13, 10, 24, 0.9);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(168, 73, 235, 0.2);
}

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

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

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

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

.wingtip {
  color: var(--text-sub);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.15s ease;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  word-break: break-word;
}

.wingtip:hover {
  color: #ffffff;
  background: rgba(168, 73, 235, 0.15);
}

.wingtip.active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(168, 73, 235, 0.4) 0%, rgba(130, 34, 203, 0.4) 100%);
  border: 1px solid rgba(168, 73, 235, 0.5);
}

/* 主容器 */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

/* 顶部 Hero 角色变体 (Split Diagonal Motif) */
.skyward {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  background: linear-gradient(135deg, #1b1335 0%, #0d0a18 100%);
  border-radius: var(--radius);
  padding: 3.5rem 2.5rem;
  border: 1px solid rgba(168, 73, 235, 0.3);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.skyward::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(168, 73, 235, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.launch {
  flex: 1;
  min-width: 300px;
  word-break: break-word;
}

.pilot {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  background: rgba(168, 73, 235, 0.15);
  border: 1px solid rgba(168, 73, 235, 0.5);
  color: var(--primary-light);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.nose {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.25;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
  word-break: break-word;
}

.tail {
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 2rem;
  line-height: 1.7;
  word-break: break-word;
}

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

.thrust {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: 14px;
  background: linear-gradient(135deg, #a849eb 0%, #8222cb 100%);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(168, 73, 235, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
  min-width: 0;
}

.thrust:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(168, 73, 235, 0.6);
}

.flick {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.15s ease;
  min-width: 0;
}

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

.vector {
  flex: 1;
  min-width: 280px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.vector svg {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 15px 30px rgba(168, 73, 235, 0.3));
}

/* 模块一：热门公开频道与优质社群精选分类 (section acquire) */
.hangar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hangar .nose {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: #ffffff;
  position: relative;
  padding-left: 1rem;
  border-left: 4px solid var(--primary);
}

.glider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.leaflet {
  background: var(--bg-card);
  border: 1px solid rgba(168, 73, 235, 0.2);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  min-width: 0;
}

.leaflet:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: rgba(168, 73, 235, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.rudder {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(168, 73, 235, 0.2) 0%, rgba(130, 34, 203, 0.3) 100%);
  border: 1px solid rgba(168, 73, 235, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
}

.leaflet .nose {
  font-size: 1.25rem;
  border-left: none;
  padding-left: 0;
  margin-bottom: 0.3rem;
}

.draft {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.8rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.draft span {
  font-size: 0.92rem;
  color: var(--text-main);
  font-weight: 500;
}

.draft a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

.draft a:hover {
  text-decoration: underline;
}

/* 模块二：中文搜索机器人使用与资源查找技巧 (div steps) */
.envelope {
  background: linear-gradient(180deg, rgba(24, 18, 43, 0.8) 0%, rgba(13, 10, 24, 0.9) 100%);
  border: 1px solid rgba(168, 73, 235, 0.25);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.envelope .nose {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

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

.breeze {
  flex: 1;
  min-width: 280px;
  background: rgba(13, 10, 24, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.breeze .pilot {
  background: rgba(56, 239, 125, 0.15);
  border-color: rgba(56, 239, 125, 0.4);
  color: var(--accent);
}

.flutter {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.flutter code {
  background: #000000;
  color: #38ef7d;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.95rem;
  border: 1px solid rgba(56, 239, 125, 0.2);
  display: block;
}

/* 模块三：频道订阅与消息提醒精细化管理 (section closing) */
.airspace {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.airspace .glider {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.apogee {
  background: linear-gradient(135deg, rgba(168, 73, 235, 0.15) 0%, rgba(56, 239, 125, 0.1) 100%);
  border: 1px solid rgba(168, 73, 235, 0.3);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.apogee .nose {
  font-size: 1.8rem;
}

/* 页脚区 */
.tarmac {
  background: #07050e;
  border-top: 1px solid rgba(168, 73, 235, 0.2);
  margin-top: 4rem;
  padding: 3rem 1.5rem 2rem 1.5rem;
}

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

.haven {
  flex: 1;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.haven h4 {
  color: #ffffff;
  font-size: 1.1rem;
}

.haven p {
  color: var(--text-sub);
  font-size: 0.9rem;
}

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

.haven a:hover {
  color: var(--primary-light);
}

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

@media (max-width: 768px) {
  .skyward {
    padding: 2rem 1.5rem;
  }
  .glider {
    grid-template-columns: 1fr;
  }
  .plume {
    flex-direction: column;
    gap: 1rem;
  }
  .airway {
    justify-content: center;
    width: 100%;
  }
}

.airway-soar {
    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);
}
.airway-soar,
.airway-soar *,
.airway-soar *::before,
.airway-soar *::after {
    box-sizing: border-box;
}

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

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

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

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

.airway-soar a.airway-wingtip {
    --aisite-shell-nav-padding: 0.6rem 1.2rem;
    --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-soar a.airway-wingtip,
.airway-soar a.airway-wingtip:hover,
.airway-soar a.airway-wingtip:focus,
.airway-soar a.airway-wingtip:active,
.airway-soar a.airway-wingtip.active,
.airway-soar a.airway-wingtip[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-soar{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 10, 24, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(168, 73, 235, 0.25);
            padding: 1rem 2rem;
        }

.airway-soar .airway-plume{
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

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

.airway-soar .airway-crease img{
            height: 42px;
            width: auto;
            object-fit: contain;
        }

.airway-soar .airway-airway{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
        }

.airway-soar .airway-wingtip{
            padding: 0.6rem 1.2rem;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #b2a8d3;
            border: 1px solid transparent;
        }

.airway-soar .airway-wingtip:hover{
            color: #ffffff;
            background: rgba(168, 73, 235, 0.15);
            border-color: rgba(168, 73, 235, 0.25);
        }

.airway-soar .airway-wingtip.active{
            color: #ffffff;
            background: #a849eb;
            box-shadow: 0 0 15px rgba(168, 73, 235, 0.4);
        }

@media (max-width: 768px){.airway-soar{
                padding: 0.8rem 1rem;
            }

.airway-soar .airway-plume{
                flex-direction: column;
                align-items: flex-start;
            }

.airway-soar .airway-airway{
                width: 100%;
                justify-content: space-between;
            }

.airway-soar .airway-wingtip{
                padding: 0.5rem 0.8rem;
                font-size: 0.88rem;
            }}

.airway-soar {
    background: rgb(13, 10, 24);
    background-image: none;
}

.tarmac-glide {
    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);
}
.tarmac-glide,
.tarmac-glide *,
.tarmac-glide *::before,
.tarmac-glide *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.tarmac-glide{
            background: #080511;
            border-top: 1px solid rgba(168, 73, 235, 0.25);
            padding: 4rem 1.5rem 2rem;
            margin-top: 4rem;
        }

.tarmac-glide .tarmac-tarmac{
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
            justify-content: space-between;
            margin-bottom: 3rem;
        }

.tarmac-glide .tarmac-haven{
            flex: 1.5;
            min-width: 280px;
        }

.tarmac-glide .tarmac-haven-brand{
            font-size: 1.4rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.tarmac-glide .tarmac-haven-col{
            flex: 1;
            min-width: 160px;
        }

.tarmac-glide .tarmac-haven-col h4{
            color: #ffffff;
            font-size: 1.05rem;
            margin-bottom: 1.2rem;
        }

.tarmac-glide .tarmac-haven-col ul{
            list-style: none;
        }

.tarmac-glide .tarmac-haven-col li{
            margin-bottom: 0.75rem;
        }

.tarmac-glide .tarmac-haven-col a{
            color: #b2a8d3;
            font-size: 0.92rem;
        }

.tarmac-glide .tarmac-haven-col a:hover{
            color: #c881f7;
        }

.tarmac-glide .tarmac-landing{
            max-width: 1300px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.88rem;
            color: #b2a8d3;
        }