* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", SimSun, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            padding: 30px 0;
            color: #333;
        }
        .exam-container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 0 15px rgba(0,0,0,0.05);
            padding: 40px;
        }
        .exam-title {
            text-align: center;
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid #333;
        }
        .exam-score {
            text-align: right;
            font-size: 16px;
            margin-bottom: 20px;
            color: #666;
        }
        /* 考生信息样式 */
        .student-info {
            border: 1px solid #e8e8e8;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 30px;
            background-color: #fafafa;
        }
        .info-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #2c3e50;
        }
        .info-item {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        .info-label {
            width: 120px;
            font-size: 14px;
            color: #666;
        }
        .info-input {
            flex: 1;
            height: 40px;
            padding: 0 10px;
            border: 1px solid #d9d9d9;
            border-radius: 4px;
            font-size: 14px;
        }
        .info-input:focus {
            outline: none;
            border-color: #1677ff;
            box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.2);
        }
        /* 新增：题目图片样式 */
        .question-img {
            margin: 15px 0;
            max-width: 100%;
            height: auto;
            border-radius: 4px;
            border: 1px solid #eee;
        }
        /* 原有样式保留 */
        .part-title {
            font-size: 20px;
            font-weight: 600;
            margin: 30px 0 15px;
            color: #2c3e50;
        }
        .question {
            margin: 20px 0;
            line-height: 1.8;
        }
        .single-question {
            padding-left: 10px;
            border-left: 3px solid #1677ff;
        }
        .option {
            margin: 10px 0 10px 20px;
            cursor: pointer;
        }
        .short-question {
            padding-left: 10px;
            border-left: 3px solid #52c41a;
        }
        textarea {
            width: 100%;
            min-height: 80px;
            padding: 10px;
            border: 1px solid #d9d9d9;
            border-radius: 4px;
            resize: vertical;
            margin-top: 8px;
            font-size: 14px;
        }
        .sub-question {
            margin: 10px 0 0 20px;
        }
        .btn-submit {
            display: block;
            width: 200px;
            height: 50px;
            line-height: 50px;
            text-align: center;
            background-color: #1677ff;
            color: #fff;
            border: none;
            border-radius: 6px;
            font-size: 18px;
            cursor: pointer;
            margin: 40px auto 0;
            transition: background 0.2s;
        }
        .btn-submit:hover {
            background-color: #4096ff;
        }
        /* 适配小屏幕 */
        @media (max-width: 768px) {
            .exam-container {
                padding: 20px;
            }
            .exam-title {
                font-size: 20px;
            }
            .part-title {
                font-size: 18px;
            }
            .info-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .info-label {
                width: 100%;
                margin-bottom: 5px;
            }
        }