.alertv {
    display: none;
    position: fixed;
    /*top: 50%;
            left: 50%;*/
    top: 320px;
    left: 250px;
    min-width: 200px;
    margin-left: -100px;
    z-index: 99999;
    padding: 15px;
    border: 1px solid transparent;
    border-radius: 4px;
    text-align: center;
    z-index: 2147483647;
}

    .alertv p {
        text-align: left;
    }


.alertv-success {
    color: #fff;
    background-color: #000;
    opacity: 0.8;
    border-radius: 5px;
    font-size: 14px;
    /*border-color: #d6e9c6;*/
    /*color: #3c763d;
    background-color: #dff0d8;
    border-color: #d6e9c6;*/
}

.alert-success u {
    color: #83bdff;
}


.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow);
}

    .primary-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.3);
    }

.secondary-btn {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .secondary-btn:hover {
        border-color: var(--primary-color);
        color: var(--primary-color);
    }

/* 状态面板 */


/* 模态框 */
.modal-overlay {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

    .modal-overlay.active {
        display: flex;
        animation: fadeIn 0.3s ease;
    }

.modal-content {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    transform: scale(0.9);
    animation: scaleIn 0.3s ease forwards;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

    .modal-header h3 {
        font-size: 1.25rem;
        font-weight: 600;
    }

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

    .close-btn:hover {
        color: var(--error-color);
    }

.modal-body {
    padding: 1.5rem;
}

/* 验证容器 */
.verification-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.image-container {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--border-color);
}

    .image-container img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.1s ease;
    }

.reference-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transform: translateY(-50%);
    z-index: 10;
}

/* 滑块容器 */
.slider-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.slider-track {
    position: relative;
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    cursor: pointer;
}

.slider-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    border-radius: 4px;
    width: 0%;
    transition: width 0.1s ease;
}

.slider-thumb {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: grab;
    transition: all 0.2s ease;
    z-index: 20;
}

    .slider-thumb:hover {
        transform: translate(-50%, -50%) scale(1.1);
    }

    .slider-thumb:active {
        cursor: grabbing;
        transform: translate(-50%, -50%) scale(0.95);
    }

.slider-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.verification-controls {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* 帮助内容 */
.help-content h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.help-content ul {
    list-style: none;
    padding-left: 1rem;
}

.help-content li {
    padding: 0.5rem 0;
    position: relative;
}

    .help-content li::before {
        content: "•";
        color: var(--primary-color);
        font-weight: bold;
        position: absolute;
        left: -1rem;
    }

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {


    .main-content {
        padding: 1rem;
    }

    .hero-section {
        padding: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .verification-controls {
        flex-direction: column;
    }

    .primary-btn, .secondary-btn {
        width: 100%;
        justify-content: center;
    }
}