:root {
      --primary: #ed7357;
      --primary-dark: #d85c40;
      --primary-light: #fef0ed;
      --bg: #fbf9f8;
      --surface: #ffffff;
      --dark-surface: #1e242b;
      --text: #1e242b;
      --text-muted: #64748b;
      --text-light: #f8fafc;
      --border: #e2e8f0;
      --radius-sm: 9px;
      --radius-md: 12px;
      --radius-lg: 15px;
      --shadow: 0 4px 20px rgba(30, 36, 43, 0.06);
      --shadow-hover: 0 10px 30px rgba(237, 115, 87, 0.14);
      --transition: 0.35s ease;
    }

    * {
      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);
      color: var(--text);
      line-height: 1.7;
      word-break: break-word;
      overflow-wrap: break-word;
    }

    /* 顶部导航统一样式 */
    .notch {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 14px 24px;
    }

    .matrix {
      max-width: 1140px;
      margin: 0 auto;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

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

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

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

    .dah {
      color: var(--text);
      text-decoration: none;
      font-weight: 500;
      font-size: 15px;
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      min-width: 0;
    }

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

    .dah.active {
      color: #ffffff;
      background: var(--primary);
    }

    /* 版心基础容器 */
    .chassis {
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 首屏一键应用展台 */
    .spark {
      background: linear-gradient(135deg, #ffffff 0%, #f7f3f0 100%);
      border-bottom: 1px solid var(--border);
      padding: 64px 0 72px 0;
    }

    .harness {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 40px;
    }

    .conduit-lead {
      flex: 1 1 540px;
      min-width: 0;
    }

    .conduit-side {
      flex: 1 1 420px;
      min-width: 0;
    }

    .digit-chassis {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text);
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }

    .nodule-lead {
      font-size: 17px;
      color: var(--text-muted);
      margin-bottom: 28px;
      line-height: 1.7;
    }

    .tail-feature {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 32px;
    }

    .sounder-feat {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      min-width: 0;
    }

    .glyph-optic {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .glyph-optic svg {
      width: 14px;
      height: 14px;
      fill: currentColor;
    }

    .crest-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .keyer-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--primary);
      color: #ffffff;
      font-weight: 600;
      font-size: 16px;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      text-decoration: none;
      box-shadow: 0 6px 20px rgba(237, 115, 87, 0.28);
      transition: var(--transition);
      min-width: 0;
    }

    .keyer-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .keyer-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: #ffffff;
      color: var(--text);
      font-weight: 600;
      font-size: 16px;
      padding: 14px 24px;
      border-radius: var(--radius-md);
      text-decoration: none;
      border: 1px solid var(--border);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
      transition: var(--transition);
      min-width: 0;
    }

    .keyer-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }

    /* 右侧黑晶预览面板 */
    .cipher-slip {
      background: var(--dark-surface);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: #ffffff;
    }

    .cipher-notch {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .cipher-digit {
      font-size: 16px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .cipher-status {
      font-size: 12px;
      background: rgba(237, 115, 87, 0.2);
      color: var(--primary);
      padding: 4px 10px;
      border-radius: 20px;
      font-weight: 600;
    }

    .cipher-body {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .cipher-row {
      background: rgba(255, 255, 255, 0.05);
      border-radius: var(--radius-sm);
      padding: 14px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .cipher-optic {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
    }

    .cipher-val {
      font-size: 14px;
      font-weight: 600;
      color: #ffffff;
    }

    /* 模块标题通用 */
    .knob-digit {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px auto;
    }

    .digit-sec {
      font-size: 28px;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 12px;
      letter-spacing: -0.01em;
    }

    .nodule-sec {
      font-size: 16px;
      color: var(--text-muted);
    }

    /* 索引卡片面板区 */
    .beacon {
      padding: 72px 0;
      background: var(--bg);
    }

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

    .patch-slip {
      flex: 1 1 320px;
      min-width: 0;
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .patch-slip:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(237, 115, 87, 0.3);
    }

    .patch-glyph {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }

    .patch-glyph svg {
      width: 24px;
      height: 24px;
      fill: currentColor;
    }

    .digit-slip {
      font-size: 19px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 10px;
    }

    .nodule-slip {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .actuate-dah {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-weight: 600;
      font-size: 15px;
      text-decoration: none;
      transition: var(--transition);
    }

    .actuate-dah:hover {
      color: var(--primary-dark);
      gap: 10px;
    }

    /* 步骤展示区 */
    .pulse {
      padding: 72px 0;
      background: #ffffff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

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

    .slip-step {
      flex: 1 1 300px;
      min-width: 0;
      background: var(--bg);
      padding: 32px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      position: relative;
    }

    .step-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
      opacity: 0.85;
      margin-bottom: 12px;
      line-height: 1;
    }

    .digit-step {
      font-size: 18px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 10px;
    }

    .nodule-step {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 排查与FAQ区 */
    .faq-zone {
      padding: 72px 0 88px 0;
      background: var(--bg);
    }

    .crest-faq {
      max-width: 840px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .patch-faq {
      background: var(--surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      padding: 24px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    }

    .digit-faq {
      font-size: 17px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .digit-faq::before {
      content: "Q";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 6px;
      font-size: 13px;
      font-weight: 800;
    }

    .nodule-faq {
      font-size: 15px;
      color: var(--text-muted);
      padding-left: 34px;
      line-height: 1.7;
    }

    /* 页脚区域 */
    .folio {
      background: var(--dark-surface);
      color: rgba(255, 255, 255, 0.7);
      padding: 60px 0 32px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .ground {
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 40px;
      margin-bottom: 40px;
    }

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

    .signoff-digit {
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 12px;
      letter-spacing: -0.01em;
    }

    .nodule-foot {
      font-size: 14px;
      line-height: 1.6;
      color: rgba(255, 255, 255, 0.6);
    }

    .term-relay {
      display: flex;
      flex-wrap: wrap;
      gap: 48px;
    }

    .tail-footcol {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .digit-footcol {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 6px;
    }

    .dah-foot {
      color: rgba(255, 255, 255, 0.6);
      text-decoration: none;
      font-size: 14px;
      transition: var(--transition);
    }

    .dah-foot:hover {
      color: var(--primary);
    }

    .signoff-knob {
      max-width: 1140px;
      margin: 0 auto;
      padding: 24px 24px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
    }

    /* 响应式调整 */
    @media (max-width: 768px) {
      .spark {
        padding: 40px 0;
      }
      .digit-chassis {
        font-size: 28px;
      }
      .digit-sec {
        font-size: 22px;
      }
      .harness {
        gap: 28px;
      }
      .beacon, .pulse, .faq-zone {
        padding: 48px 0;
      }
      .ground {
        flex-direction: column;
        gap: 28px;
      }
    }

.relay-notch{
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #ece6e2;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

.relay-notch .relay-matrix{
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

.relay-notch .relay-dit{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            min-width: 0;
        }

.relay-notch .relay-dit img{
            height: 38px;
            width: auto;
            display: block;
        }

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

.relay-notch .relay-dah{
            color: #2d3540;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 9px;
            transition: all 0.35s ease;
            word-break: keep-all;
        }

.relay-notch .relay-dah:hover{
            color: #ed7357;
            background-color: rgba(237, 115, 87, 0.08);
        }

.relay-notch .relay-dah.active{
            color: #ed7357;
            background-color: rgba(237, 115, 87, 0.08);
            font-weight: 600;
        }

@media (max-width: 768px){.relay-notch .relay-matrix{
                height: auto;
                padding: 16px;
            }

.relay-notch .relay-wire{
                width: 100%;
                justify-content: flex-start;
                margin-top: 12px;
                overflow-x: auto;
                padding-bottom: 6px;
            }}

.relay-notch {
    background: rgb(255, 255, 255);
    background-image: none;
}

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

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

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

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

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

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

.ground-ground{
            background: #1e242b;
            color: #a0aec0;
            padding: 56px 0 32px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

.ground-ground .ground-term{
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

.ground-ground .ground-signoff-brand{
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

.ground-ground .ground-signoff-desc{
            font-size: 13px;
            line-height: 1.6;
            color: #94a3b8;
        }

.ground-ground .ground-folio-digit{
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
        }

.ground-ground .ground-folio-links{
            list-style: none;
        }

.ground-ground .ground-folio-links li{
            margin-bottom: 10px;
        }

.ground-ground .ground-folio-links a{
            color: #94a3b8;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.35s ease;
        }

.ground-ground .ground-folio-links a:hover{
            color: #ed7357;
        }

.ground-ground .ground-signoff-bottom{
            max-width: 1320px;
            margin: 0 auto;
            padding: 24px 24px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #64748b;
        }