* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

:root {
    --primary-color: #4a6bdc;
    --secondary-color: #f8f9fa;
    --accent-color: #5d7ce4;
    --text-color: #333;
    --success-color: #28a745;
    --error-color: #dc3545;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    
    background-repeat: repeat;
    background-position: center;
    background-size: auto;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
   
    justify-content: center;
    align-items: center;
 
}

.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    margin-bottom: 30px;
}

.title-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.title-icon {
    width: 32px;
    height: 32px;
    margin-right: 10px;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 0;
    font-size: 2rem;
}

.language-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.language-selector button {
    background: none;
    border: 1px solid #ddd;
    padding: 8px 15px;
    margin: 0 5px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.language-selector button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.language-selector button:hover:not(.active) {
    background-color: #eee;
}

.verification-form {
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin: 0 auto;
    max-width: 800px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--text-color);
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus {
    border-color: var(--primary-color);
    outline: none;
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-container input[type="text"] {
    flex: 1;
}

.captcha-image {
    background-color: #f3f3f3;
    padding: 10px 20px;
    margin: 0 10px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 20px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    text-align: center;
    min-width: 120px;
    letter-spacing: 2px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.captcha-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 5px,
        rgba(0, 0, 0, 0.03) 5px,
        rgba(0, 0, 0, 0.03) 10px
    );
    z-index: 0;
    border-radius: var(--border-radius);
}

.captcha-image span {
    position: relative;
    z-index: 1;
}

.refresh-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 20px;
    cursor: pointer;
    padding: 0 10px;
}

.verify-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.verify-btn:hover {
    background-color: var(--accent-color);
}

.result {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    margin-bottom: 20px;
}

.icon {
    font-size: 48px;
    margin-bottom: 15px;
    height: 80px;
    width: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.success-icon {
    background-color: var(--success-color);
    color: white;
}

.error-icon {
    background-color: var(--error-color);
    color: white;
}

.success p {
    color: var(--success-color);
    font-weight: bold;
}

.error p {
    color: var(--error-color);
    font-weight: bold;
}

footer {
    text-align: center;
    margin-top: 30px;
    color: #777;
    font-size: 14px;
}

@media screen and (max-width: 768px) {
    .container {
        padding: 15px;
        margin: 10px;
    }
    
    .verification-form {
        padding: 20px;
    }
    
    .language-selector button {
        margin-bottom: 10px;
    }
    
    .captcha-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .captcha-image {
        margin: 10px 0;
    }
}

/* 弹窗样式 */
.modal {
    display: block;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal-content {
    position: relative;
    background-color: white;
    margin: 15% auto;
    padding: 30px;
    width: 80%;
    max-width: 400px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
    animation: slideDown 0.4s;
}

.success-modal {
    border-top: 5px solid var(--success-color);
}

.error-modal {
    border-top: 5px solid var(--error-color);
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    color: #aaa;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close-btn:hover {
    color: #555;
}

.modal-body {
    padding: 10px 0;
}

/* 动画效果 */
@keyframes fadeIn {
    from {opacity: 0}
    to {opacity: 1}
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 结果显示样式 */
.result-container {
    padding: 20px;
}

.result-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.result-icon {
    margin-bottom: 20px;
}

.success-result .success-icon {
    color: #4CAF50;
    font-size: 48px;
    margin-bottom: 20px;
}

.error-result .error-icon {
    color: #f44336;
    font-size: 48px;
    margin-bottom: 20px;
}

.result-message h2 {
    margin-bottom: 20px;
    color: var(--text-color);
}

.result-message .security-code,
.result-message .verify-time {
    color: #666;
    margin: 10px 0;
}

.continue-btn {
    margin-top: 30px;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.continue-btn:hover {
    background-color: var(--accent-color);
}

.verify-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* 动画效果 */
.result-content {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}