    body {
        line-height: 1.6;
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
        color: #333;
        background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    }
    h1 {
        color: #2c3e50;
        text-align: center;
        margin: 20px 0 15px;
        font-weight: 600;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    }
    textarea {
        width: 100%;
        height: 200px;
        padding: 15px;
        border: none;
        border-radius: 12px;
        resize: vertical;
        font-size: 16px;
        background: rgba(255, 255, 255, 0.9);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease;
        margin-bottom: 15px;
    }
    textarea:focus {
        outline: none;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
        background: rgba(255, 255, 255, 0.95);
    }
    button {
        background: linear-gradient(to right, #3498db, #2980b9);
        color: white;
        border: none;
        padding: 12px 24px;
        border-radius: 50px;
        cursor: pointer;
        font-size: 16px;
        font-weight: 500;
        margin: 10px 0 25px;
        width: 100%;
        box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
        transition: all 0.3s ease;
        opacity: 0.9;
    }
    button:hover {
        opacity: 1;
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(52, 152, 219, 0.4);
    }
    .output-text {
        border-radius: 12px;
        padding: 20px;
        min-height: 200px;
        background: rgba(249, 249, 249, 0.9);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        margin-bottom: 25px;
        border: 1px solid rgba(0, 0, 0, 0.05);
    }
    .high-suspicion {
        background: rgba(231, 76, 60, 0.1);
        border-left: 4px solid #e74c3c;
        border-radius: 0 8px 8px 0;
        padding: 12px 15px;
        margin: 10px 0;
        backdrop-filter: blur(2px);
    }
    .low-suspicion {
        background: rgba(243, 156, 18, 0.1);
        border-left: 4px solid #f39c12;
        border-radius: 0 8px 8px 0;
        padding: 12px 15px;
        margin: 10px 0;
    }
    .none-suspicion {
        background: rgba(46, 204, 113, 0.1);
        border-left: 4px solid #2ecc71;
        border-radius: 0 8px 8px 0;
        padding: 12px 15px;
        margin: 10px 0;
    }
    .reason {
        display: block;
        font-size: 13px;
        color: #7f8c8d;
        margin-top: 6px;
        padding-left: 10px;
        font-style: italic;
        opacity: 0.8;
    }
    .stats {
        margin: 25px 0;
        padding: 20px;
        background: rgba(255, 255, 255, 0.85);
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        border: 1px solid rgba(0, 0, 0, 0.03);
    }
    .confidence-meter {
        height: 12px;
        background: rgba(236, 240, 241, 0.8);
        border-radius: 6px;
        margin: 15px 0;
        overflow: hidden;
    }
    .confidence-level {
        height: 100%;
        background: linear-gradient(to left, #2ecc71, #f39c12, #e74c3c);
        border-radius: 6px;
        transition: width 0.5s ease;
    }
    .legend {
        display: flex;
        gap: 15px;
        margin-top: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .legend-item {
        display: flex;
        align-items: center;
        font-size: 14px;
        background: rgba(255, 255, 255, 0.7);
        padding: 5px 12px;
        border-radius: 20px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }
    .legend-color {
        width: 16px;
        height: 16px;
        margin-right: 8px;
        border-radius: 50%;
    }
    h3,
    h4 {
        color: #34495e;
        margin-bottom: 15px;
        font-weight: 600;
    }
    p {
        margin: 8px 0;
        color: #4a5568;
    }
    .link {
        text-decoration: none;
        /* 去掉下划线 */
        color: gray;
        /* 设置链接文字为灰色 */
        display: block;
        /* 将链接设置为块级元素，方便居中 */
        text-align: center;
        /* 文字居中 */
        margin: 0 auto;
        /* 水平居中（如果链接是块级元素） */
    }