:root {
  --bg-main: #080914;
  --accent: #3630db;
  --accent-light: #5d58f0;
  --accent-glow: rgba(54, 48, 219, 0.35);
  --bg-card: rgba(18, 22, 42, 0.7);
  --bg-card-hover: rgba(28, 34, 64, 0.85);
  --border: rgba(93, 88, 240, 0.3);
  --border-highlight: rgba(93, 88, 240, 0.6);
  --text-main: #ffffff;
  --text-sub: #9da6c0;
  --radius: 12px;
  --radius-lg: 16px;
  --transition: 0.35s ease;
}

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

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

/* 统一导航栏样式 */
.beacon {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 9, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(93, 88, 240, 0.2);
}

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

.fuselage {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.crest {
  display: flex;
  align-items: center;
  text-decoration: none;
  min-width: 0;
}

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

.course {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.beacon-glide {
  color: var(--text-sub);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
  word-break: keep-all;
}

.beacon-glide:hover,
.beacon-glide.active {
  color: var(--text-main);
  background: rgba(54, 48, 219, 0.25);
  border: 1px solid rgba(93, 88, 240, 0.4);
}

.thrust {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: #ffffff;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 4px 20px var(--accent-glow);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition);
  min-width: 0;
}

.thrust:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(54, 48, 219, 0.5);
  color: #ffffff;
}

/* 主版心通用布局 */
.airframe {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶层区块 1: Hero vertical_stack 风格 */
.zenith {
  padding: 64px 0 80px;
  background: radial-gradient(circle at 50% 10%, rgba(54, 48, 219, 0.22) 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
}

.visor {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(54, 48, 219, 0.2);
  border: 1px solid var(--border);
  color: var(--accent-light);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.apex {
  color: var(--text-main);
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  white-space: normal;
}

.plume {
  font-size: 18px;
  color: var(--text-sub);
  max-width: 800px;
  margin-bottom: 40px;
  line-height: 1.7;
}

/* 视觉大图面板 */
.strato {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-highlight);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px var(--accent-glow);
  background: #121526;
  overflow: hidden;
  margin-bottom: 48px;
}

.optic {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.fleet {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.payload {
  flex: 1;
  min-width: 280px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.payload:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-light);
  transform: translateY(-4px);
}

.signal {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(54, 48, 219, 0.25);
  border: 1px solid rgba(93, 88, 240, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.vapor {
  color: var(--text-main);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

/* 顶层区块 2: 秘密聊天机制 */
.canopy {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 15, 30, 0.5);
}

.nacelle {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 40px;
}

.cabin {
  flex: 1;
  min-width: 300px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all var(--transition);
}

.cabin:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-light);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.ignite {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

/* 顶层区块 3: 防封号蓝图 */
.tarmac {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

.casing {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 40px;
}

.slot {
  flex: 1;
  min-width: 300px;
  background: rgba(18, 22, 42, 0.4);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: all var(--transition);
}

.slot:hover {
  background: var(--bg-card-hover);
  border-left-color: var(--accent-light);
}

/* 顶层区块 4: FAQ 问答区 */
.apron {
  padding: 80px 0;
  background: linear-gradient(180deg, rgba(8, 9, 20, 0) 0%, rgba(54, 48, 219, 0.08) 100%);
}

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

.launch {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.launch:hover {
  border-color: var(--accent-light);
}

/* 页脚区域 */
.rudder {
  background: #04050a;
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  font-size: 14px;
  color: var(--text-sub);
}

.rudder-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
}

.rudder-brand {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.rudder-beacon {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.rudder-beacon a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color var(--transition);
}

.rudder-beacon a:hover {
  color: var(--text-main);
}

.rudder-plume {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: #636b85;
}

/* 响应式断点控制 */
@media (max-width: 768px) {
  .apex {
    font-size: 30px;
  }
  .plume {
    font-size: 16px;
  }
  .course {
    display: none; /* 移动端响应式简易化处理 */
  }
  .payload,
  .cabin,
  .slot {
    min-width: 100%;
  }
}

.beacon-beacon{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(8, 9, 20, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 0;
        }

.beacon-beacon .beacon-hangar{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

.beacon-beacon .beacon-fuselage{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

.beacon-beacon .beacon-crest{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

.beacon-beacon .beacon-crest img{
            height: 38px;
            width: auto;
            display: block;
        }

.beacon-beacon .beacon-course{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

.beacon-beacon .beacon-beacon-glide{
            color: #9da6c0;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.35s ease;
        }

.beacon-beacon .beacon-beacon-glide:hover, .beacon-beacon .beacon-beacon-glide.active{
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

.beacon-beacon .beacon-beacon-glide.active{
            border-bottom: 2px solid #5d58f0;
        }

.beacon-beacon .beacon-thrust{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #3630db 0%, #5d58f0 100%);
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: 10px;
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(54, 48, 219, 0.35);
            transition: all 0.35s ease;
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            min-width: 0;
        }

.beacon-beacon .beacon-thrust:hover{
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(93, 88, 240, 0.5);
            color: #ffffff;
        }

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

.beacon-beacon .beacon-course{
                width: 100%;
                justify-content: space-between;
                overflow-x: auto;
                padding-bottom: 8px;
            }}

.beacon-beacon {
    background: rgb(8, 9, 20);
    background-image: none;
}

.tarmac-rudder {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--fg-body);
}
.tarmac-rudder,
.tarmac-rudder *,
.tarmac-rudder *::before,
.tarmac-rudder *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.tarmac-rudder .tarmac-hangar{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

.tarmac-rudder{
            background: #05060d;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 64px 0 32px;
            color: #697393;
            font-size: 14px;
        }

.tarmac-rudder .tarmac-tarmac{
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            margin-bottom: 48px;
        }

.tarmac-rudder .tarmac-apron{
            flex: 1 1 240px;
            min-width: 0;
        }

.tarmac-rudder .tarmac-apron-brand{
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }

.tarmac-rudder .tarmac-apron h4{
            color: #ffffff;
            font-size: 15px;
            margin-bottom: 16px;
        }

.tarmac-rudder .tarmac-apron-links{
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

.tarmac-rudder .tarmac-apron-links a{
            color: #9da6c0;
            text-decoration: none;
            transition: all 0.35s ease;
        }

.tarmac-rudder .tarmac-apron-links a:hover{
            color: #ffffff;
        }

.tarmac-rudder .tarmac-runway{
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            text-align: center;
            color: #697393;
            font-size: 13px;
        }