body {
    background: #f3f5f7;
    font-family: "Microsoft Yahei", sans-serif;
    margin: 0;
    padding: 0;
}
.submit-wrapper {
    max-width: 600px;
    margin: 50px auto;
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}
h2 {
    color: #f436a1;
    text-align: center;
    margin-bottom: 25px;
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 15px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #f436a1;
    outline: none;
}
.captcha-row {
    display: flex;
    gap: 10px;
    align-items: center;
}
.captcha-question {
    background: #f0f0f0;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: bold;
    white-space: nowrap;
    user-select: none;
    min-width: 80px;
    text-align: center;
}
.btn-submit {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #f436a1, #e62b8c);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s;
}
.btn-submit:hover {
    opacity: 0.9;
}
.btn-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
}
.msg {
    text-align: center;
    margin-top: 15px;
    min-height: 20px;
    font-size: 14px;
    line-height: 1.6;
}
.msg.success { color: #27ae60; }
.msg.error { color: #e74c3c; }
.back-link {
    text-align: center;
    margin-top: 20px;
}
.back-link a {
    color: #3192d2;
    text-decoration: none;
}
.back-link a:hover {
    color: #f436a1;
}
.query-code {
    background: #f0f0f0;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: monospace;
}
.draft-info {
    text-align: center;
    font-size: 12px;
    color: #999;
    margin-bottom: 15px;
    min-height: 18px;
}
/* 复制按钮样式 */
.copy-btn {
    padding: 2px 8px;
    font-size: 12px;
    cursor: pointer;
    background: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-left: 4px;
    vertical-align: middle;
}
.copy-btn:hover {
    background: #e0e0e0;
}
.fetch-btn {
    padding: 5px 12px;
    background: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}
.fetch-btn:hover {
    background: #e0e0e0;
}
.fetch-btn:disabled {
    background: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}