:root {
    --primary: #5159d0;
    --primary-dark: #3b42b4;
    --primary-light: #eef0ff;
    --accent: #00d2ff;
    --bg-light: #f8fafc;
    --surface: #ffffff;
    --dark: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 12px 32px rgba(81, 89, 208, 0.12);
    --shadow-lg: 0 24px 50px rgba(15, 23, 42, 0.16);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 20px;
  }

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

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    background-color: var(--bg-light);
    color: var(--dark);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  /* 导航栏黑盒复用 */
  .crest {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px 24px;
  }
  .nest {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .fav {
    display: flex;
    align-items: center;
    min-width: 0;
  }
  .fav img {
    height: 36px;
    width: auto;
    display: block;
  }
  .crest [role="navigation"] {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
  }
  .omnibar-link {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.35s ease;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .omnibar-link:hover,
  .omnibar-link.active {
    color: #ffffff;
    font-weight: 600;
  }
  .trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.35s ease;
    cursor: pointer;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .trigger-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(81, 89, 208, 0.3);
    border: none;
  }
  .trigger-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(81, 89, 208, 0.45);
    color: #ffffff;
  }
  .trigger-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
  }
  .trigger-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
  }

  /* Hero 第一区块 */
  .viewport {
    padding: 60px 24px 100px 24px;
    background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
  }
  .stage {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 48px;
  }
  .glance-left {
    flex: 1 1 540px;
    min-width: 0;
  }
  .glance-right {
    flex: 1 1 500px;
    min-width: 0;
  }
  .topic-nest {
    line-height: 1.3;
    color: #ffffff;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: clamp(30px, 4.5vw, 48px);
    margin-bottom: 20px;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .topic-nest span {
    background: linear-gradient(135deg, #00d2ff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .copy-lead {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.7;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  
  /* 设备自动识别推介面板 */
  .detect-tile {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 36px;
    box-shadow: var(--shadow-md);
  }
  .detect-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
  }
  .detect-badge {
    background: rgba(0, 210, 255, 0.2);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(0, 210, 255, 0.4);
  }
  .detect-topic {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
  }
  .detect-actuate {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
  }

  .media-nest {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
  }
  .media-nest img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .media-nest:hover img {
    transform: scale(1.02);
  }

  /* 平台卡片流 */
  .bunch-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
  }
  .snippet-platform {
    flex: 1 1 160px;
    min-width: 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #ffffff;
    transition: all 0.35s ease;
  }
  .snippet-platform:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
  }
  .glyph-box {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  /* 区块 2: 版本对比矩阵 */
  .realm {
    padding: 100px 24px;
    max-width: 1280px;
    margin: 0 auto;
  }
  .crest-center {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 60px auto;
  }
  .topic-sec {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .copy-sec {
    font-size: 16px;
    color: var(--text-muted);
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .matrix-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
  }
  .snippet-matrix {
    flex: 1 1 340px;
    min-width: 0;
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
  }
  .snippet-matrix:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
  }
  .snippet-matrix.featured {
    border: 2px solid var(--primary);
    position: relative;
  }
  .matrix-tag {
    position: absolute;
    top: -14px;
    right: 24px;
    background: var(--primary);
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 12px;
  }
  .matrix-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
  }
  .matrix-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    height: 48px;
  }
  .matrix-meta {
    border-top: 1px dashed var(--border);
    padding-top: 20px;
    margin-bottom: 24px;
    flex-grow: 1;
  }
  .meta-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 14px;
  }
  .meta-badge {
    color: var(--text-muted);
  }
  .meta-val {
    font-weight: 600;
    color: var(--dark);
  }
  .sha256 {
    font-family: monospace;
    font-size: 11px;
    background: var(--bg-light);
    padding: 8px 12px;
    border-radius: 6px;
    word-break: break-all;
    color: #475569;
    margin-top: 12px;
    border: 1px solid #e2e8f0;
  }

  /* 区块 3: 安全隐私保障 */
  .sandbox {
    background: linear-gradient(135deg, #f8fafc 0%, #eef0ff 100%);
    padding: 90px 24px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .sandbox-nest {
    max-width: 1280px;
    margin: 0 auto;
  }
  .bunch-security {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 48px;
  }
  .snippet-security {
    flex: 1 1 340px;
    min-width: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-sm);
    transition: transform 0.35s ease;
  }
  .snippet-security:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  .security-glyph {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
  }

  /* 区块 4: FAQ 常见问题 */
  .glance-faq {
    padding: 90px 24px;
    max-width: 960px;
    margin: 0 auto;
  }
  .faq-bunch {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
  }
  .faq-node {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all 0.35s ease;
  }
  .faq-node summary {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 17px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--dark);
  }
  .faq-node summary::-webkit-details-marker {
    display: none;
  }
  .faq-node summary::after {
    content: '+';
    font-size: 22px;
    font-weight: 400;
    color: var(--primary);
    transition: transform 0.35s ease;
  }
  .faq-node[open] summary::after {
    transform: rotate(45deg);
  }
  .faq-node[open] {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
  }
  .faq-answer {
    padding: 0 24px 20px 24px;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  /* 底栏黑盒黑底继承 */
  .dock {
    background: #0f172a;
    color: rgba(255, 255, 255, 0.7);
    padding: 70px 24px 30px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  .dock-nest {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
    margin-bottom: 50px;
  }
  .dock-brand {
    flex: 1 1 300px;
    min-width: 0;
  }
  .dock-brand-name {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
  }
  .dock-links {
    flex: 2 1 500px;
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: flex-end;
  }
  .dock-col {
    flex: 1 1 140px;
    min-width: 0;
  }
  .dock-topic {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
  }
  .dock-flock {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .dock-flock a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.35s ease;
    word-break: break-word;
  }
  .dock-flock a:hover {
    color: var(--accent);
  }
  .dock-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
  }

  @media (max-width: 768px) {
    .crest [role="navigation"] {
      display: none;
    }
    .viewport {
      padding: 40px 16px 60px 16px;
    }
    .realm {
      padding: 60px 16px;
    }
    .sandbox {
      padding: 60px 16px;
    }
    .glance-faq {
      padding: 60px 16px;
    }
    .dock-links {
      justify-content: flex-start;
    }
  }

.omnibar-crest{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            padding: 16px 24px;
        }

.omnibar-crest .omnibar-nest{
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

.omnibar-crest .omnibar-fav{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.omnibar-crest .omnibar-fav{
            display: flex;
            align-items: center;
            height: 38px;
        }

.omnibar-crest .omnibar-fav img{
            height: 100%;
            width: auto;
            display: block;
        }

.omnibar-crest .omnibar-omnibar-link{
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            border-radius: 10px;
        }

.omnibar-crest .omnibar-omnibar-link:hover{
            color: #5159d0;
            background-color: #eef0ff;
        }

.omnibar-crest .omnibar-omnibar-link.active{
            color: #5159d0;
            background-color: #eef0ff;
            font-weight: 600;
        }

.omnibar-crest .omnibar-trigger{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.35s ease;
            min-width: 0;
            border: none;
        }

.omnibar-crest .omnibar-trigger-primary{
            background: linear-gradient(135deg, #5159d0 0%, #6366f1 100%);
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(81, 89, 208, 0.3);
        }

.omnibar-crest .omnibar-trigger-primary:hover{
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(81, 89, 208, 0.4);
            background: linear-gradient(135deg, #3b42b4 0%, #4f46e5 100%);
        }

@media (max-width: 768px){.omnibar-crest{
                padding: 12px 16px;
            }

.omnibar-crest .omnibar-nest{
                flex-direction: column;
                align-items: flex-start;
            }}

.omnibar-crest {
    background: rgb(255, 255, 255);
    background-image: none;
}

.dock-dock {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    line-height: 1.7;
    word-break: keep-all;
    color: var(--dark);
}
.dock-dock,
.dock-dock *,
.dock-dock *::before,
.dock-dock *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.dock-dock{
            background-color: #090d16;
            color: #94a3b8;
            padding: 60px 24px 40px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
        }

.dock-dock .dock-dock-nest{
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }

.dock-dock .dock-dock-brand{
            flex: 1 1 300px;
            min-width: 0;
        }

.dock-dock .dock-dock-topic{
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

.dock-dock .dock-dock-copy{
            line-height: 1.7;
            color: #64748b;
        }

.dock-dock .dock-dock-navs{
            flex: 2 1 500px;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: flex-end;
            min-width: 0;
        }

.dock-dock .dock-dock-col{
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-width: 120px;
        }

.dock-dock .dock-dock-col-topic{
            color: #ffffff;
            font-weight: 600;
            margin-bottom: 6px;
        }

.dock-dock .dock-dock-col a{
            color: #94a3b8;
        }

.dock-dock .dock-dock-col a:hover{
            color: #ffffff;
        }

.dock-dock .dock-dock-bottom{
            max-width: 1280px;
            margin: 40px auto 0 auto;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            color: #475569;
        }

@media (max-width: 768px){.dock-dock .dock-dock-navs{
                justify-content: flex-start;
            }}