:root {
    --primary: #ed7357;
    --primary-hover: #e56345;
    --bg: #fbf9f8;
    --surface: #ffffff;
    --dark: #1e242b;
    --muted: #64748b;
    --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, 0.12);
  }

  * {
    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(--dark);
    line-height: 1.7;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  /* 导航复用样式 */
  .notch {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  }

  .matrix {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

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

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

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

  .dah {
    padding: 8px 16px;
    color: var(--dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.35s ease;
    word-break: keep-all;
  }

  .dah:hover {
    color: var(--primary);
    background: rgba(237, 115, 87, 0.08);
  }

  .dah.active {
    color: #ffffff;
    background: var(--primary);
    font-weight: 600;
  }

  /* 主构架容器 */
  .crest {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  .chassis {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    gap: 48px;
  }

  /* Hero / Spark 顶部契约区块 */
  .spark {
    background: linear-gradient(135deg, #ffffff 0%, #f6f2ef 100%);
    border-radius: var(--radius-lg);
    padding: 48px;
    border: 1px solid rgba(237, 115, 87, 0.15);
    box-shadow: var(--shadow);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
  }

  .beacon {
    flex: 1;
    min-width: 300px;
  }

  .pulse {
    flex: 1;
    min-width: 300px;
    background: var(--dark);
    border-radius: var(--radius-md);
    padding: 24px;
    color: #ffffff;
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    border: 1px solid rgba(255,255,255,0.08);
  }

  .knob {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(237, 115, 87, 0.12);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
  }

  .digit {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--dark);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    white-space: normal;
  }

  .nodule {
    font-size: 16px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 24px;
  }

  .tail {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .keyer {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--primary);
    color: #ffffff;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.35s ease;
    border: none;
    cursor: pointer;
  }

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

  .tap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--dark);
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.35s ease;
    border: 1px solid var(--border);
  }

  .tap:hover {
    background: #ffffff;
    border-color: var(--primary);
    color: var(--primary);
  }

  /* Data UI 仿真控制面板 */
  .relay {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .dial {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .sounder {
    font-size: 14px;
    color: #e2e8f0;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .glyph {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
  }

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

  /* 正文区域 - Article 1: 隐私与安全必备设置清单 */
  .cipher {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .harness {
    margin-bottom: 32px;
  }

  .harness h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
  }

  .harness p {
    color: var(--muted);
    font-size: 15px;
  }

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

  .slip {
    background: var(--bg);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
  }

  .slip:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(237, 115, 87, 0.4);
  }

  .slip .glyph {
    width: 32px;
    height: 32px;
    color: var(--primary);
    margin-bottom: 16px;
  }

  .slip h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
  }

  .slip p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
  }

  /* 正文区域 - Section 2: 风控防封与合规守则 */
  .patch {
    background: linear-gradient(180deg, #ffffff 0%, #fef8f6 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border);
  }

  .timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 24px;
  }

  .timeline-node {
    display: flex;
    gap: 20px;
    background: var(--surface);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
  }

  .timeline-optic {
    width: 40px;
    height: 40px;
    background: rgba(237, 115, 87, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
  }

  .timeline-info h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
  }

  .timeline-info p {
    font-size: 14px;
    color: var(--muted);
  }

  /* 正文区域 - Aside 3: 验证码收不到与2FA加固 */
  aside.beacon {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .faq-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
  }

  .faq-sounder {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    background: var(--bg);
  }

  .faq-sounder h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .faq-sounder p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
  }

  /* 正文区域 - Article 4: 申诉与官方渠道 */
  article.pulse {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    color: var(--dark);
  }

  .code-block {
    background: #1e242b;
    color: #e2e8f0;
    padding: 20px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 13px;
    line-height: 1.6;
    margin-top: 16px;
    white-space: pre-wrap;
    word-break: break-all;
  }

  /* 页脚区块 */
  .folio {
    background: var(--dark);
    color: #94a3b8;
    padding: 48px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 60px;
  }

  .ground {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
  }

  .term {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
  }

  .signoff {
    font-size: 14px;
  }

  .signoff a {
    color: var(--primary);
    text-decoration: none;
    margin-left: 12px;
  }

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

  /* 响应式断点控制 */
  @media (max-width: 768px) {
    .spark {
      padding: 24px;
      flex-direction: column;
    }
    .cipher, .patch, aside.beacon, article.pulse {
      padding: 24px;
    }
    .digit {
      font-size: 26px;
    }
    .matrix {
      height: auto;
      padding: 16px 24px;
    }
    .wire {
      margin-top: 12px;
      width: 100%;
      justify-content: flex-start;
    }
  }

.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;
        }