:root {
  --bg-dark: #090d16;
  --bg-surface: #121929;
  --bg-surface-elevated: #182238;
  --accent: #38b3e3;
  --accent-bright: #62caff;
  --accent-dim: rgba(56, 179, 227, 0.15);
  --fg-primary: #f0f6fc;
  --fg-secondary: #94a3b8;
  --radius-main: 18px;
  --radius-small: 12px;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--fg-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  word-break: break-word;
  overflow-wrap: break-word;
}

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

/* 导航头区 */
.crest {
  width: 100%;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.crest-core {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

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

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

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

.node {
  padding: 8px 16px;
  font-size: 0.95rem;
  color: var(--fg-secondary);
  border-radius: var(--radius-small);
  transition: all 0.15s ease;
  word-break: keep-all;
}

.node:hover {
  color: var(--fg-primary);
  background: rgba(255, 255, 255, 0.05);
}

.node.active {
  color: var(--accent-bright);
  background: var(--accent-dim);
  font-weight: 600;
}

/* 主内容容器 */
.chassis {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* 顶层1: 语言包 Intro Section (Role: acquire) */
.dispatch {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: linear-gradient(135deg, rgba(56, 179, 227, 0.12) 0%, rgba(18, 25, 41, 0.95) 100%);
  border: 1px solid rgba(56, 179, 227, 0.25);
  border-radius: 28px;
  padding: 64px 32px;
  margin-bottom: 48px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.ribbon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(56, 179, 227, 0.3);
  border-radius: 100px;
  color: var(--accent-bright);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.headline-primary {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.25;
  color: #ffffff;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  max-width: 900px;
  white-space: normal;
}

.script-primary {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 760px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  width: 100%;
}

.tapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 1.05rem;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tapper-primary {
  background: linear-gradient(135deg, #38b3e3 0%, #0284c7 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(56, 179, 227, 0.35);
}

.tapper-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(56, 179, 227, 0.45);
}

.tapper-secondary {
  background: var(--bg-surface-elevated);
  color: var(--fg-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.tapper-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.frame-preview {
  width: 100%;
  max-width: 920px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
}

.frame-preview img {
  width: 100%;
  height: auto;
  display: block;
}

/* 顶层2: 语言包主题焦点 Div (Role: pathway) */
.pulsar {
  margin-bottom: 48px;
}

.headline-secondary {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 28px;
  text-align: center;
}

.station-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.ticket {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-main);
  padding: 32px 24px;
  transition: all 0.15s ease;
  min-width: 0;
}

.ticket:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 179, 227, 0.3);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.glyph-seal {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.glyph-seal svg {
  width: 24px;
  height: 24px;
  fill: var(--accent-bright);
}

.headline-tertiary {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
}

.script-secondary {
  font-size: 0.98rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* 顶层3: 核心信息路径 Article (Role: pathway) */
.station {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 48px 36px;
  margin-bottom: 48px;
}

.paddle-timeline {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
}

.packet {
  flex: 1 1 240px;
  min-width: 0;
  background: var(--bg-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-small);
  padding: 24px;
  position: relative;
}

.step-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 12px;
}

.keyer-pulse {
  display: inline-block;
  margin-top: 16px;
  color: var(--accent-bright);
  font-weight: 600;
  font-size: 0.95rem;
}

.keyer-pulse:hover {
  text-decoration: underline;
}

/* 顶层4: 使用场景与补充说明 Section (Role: capability) */
.casing {
  background: linear-gradient(180deg, var(--bg-surface) 0%, rgba(18, 25, 41, 0.5) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 48px 36px;
}

.ribbon-strand {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

.bead {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-small);
  border-left: 4px solid var(--accent);
  min-width: 0;
}

.bead-headline {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 6px;
  width: 100%;
}

.bead-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
}

/* 页脚区 */
.terminus {
  background: #05080e;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0 40px;
}

.ground {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 40px;
}

.closure {
  max-width: 360px;
  min-width: 0;
}

.closure-brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.closure-desc {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

.trace-links {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  min-width: 0;
}

.trace-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 120px;
}

.trace-head {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}

.trace-bead {
  font-size: 0.88rem;
  color: var(--fg-secondary);
  transition: color 0.15s ease;
}

.trace-bead:hover {
  color: var(--accent-bright);
}

.copyright-ribbon {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--fg-secondary);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .crest-core {
    height: auto;
    padding: 16px 0;
    flex-direction: column;
    gap: 12px;
  }

  .beacon {
    justify-content: center;
    width: 100%;
  }

  .dispatch {
    padding: 40px 20px;
  }

  .headline-primary {
    font-size: 1.8rem;
  }

  .station {
    padding: 32px 20px;
  }

  .casing {
    padding: 32px 20px;
  }

  .ground {
    flex-direction: column;
  }
}

.beacon-crest{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(9, 13, 22, 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-crest .beacon-circuit{
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

.beacon-crest .beacon-stamp{
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

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

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

.beacon-crest .beacon-node{
            color: #94a3b8;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 12px;
            transition: all 0.15s ease;
            white-space: normal;
        }

.beacon-crest .beacon-node:hover{
            color: #f0f6fc;
            background: rgba(255, 255, 255, 0.05);
        }

.beacon-crest .beacon-node.active{
            color: #ffffff;
            background: rgba(56, 179, 227, 0.15);
            border: 1px solid rgba(56, 179, 227, 0.25);
        }

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

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

.terminus-terminus {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--fg-primary);
}
.terminus-terminus,
.terminus-terminus *,
.terminus-terminus *::before,
.terminus-terminus *::after {
    box-sizing: border-box;
}

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

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

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

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

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

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

.terminus-terminus .terminus-node{
            color: #94a3b8;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 12px;
            transition: all 0.15s ease;
            white-space: normal;
        }

.terminus-terminus .terminus-node:hover{
            color: #f0f6fc;
            background: rgba(255, 255, 255, 0.05);
        }

.terminus-terminus .terminus-node.active{
            color: #ffffff;
            background: rgba(56, 179, 227, 0.15);
            border: 1px solid rgba(56, 179, 227, 0.25);
        }

.terminus-terminus .terminus-script-packet{
            color: #94a3b8;
            font-size: 0.98rem;
            line-height: 1.7;
        }

.terminus-terminus{
            background: #05080e;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 60px 0 40px 0;
            color: #64748b;
            font-size: 0.9rem;
        }

.terminus-terminus .terminus-ground-layout{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

.terminus-terminus .terminus-closure-brand{
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

.terminus-terminus .terminus-brand-name{
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.2px;
        }

.terminus-terminus .terminus-closure-beacon{
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.terminus-terminus .terminus-headline-foot{
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

.terminus-terminus .terminus-closure-bottom{
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }