/* 会员按钮样式 */
.btn-member {
    background: linear-gradient(135deg, #3a7bd5, #00d2ff);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(58, 123, 213, 0.3);
}

.btn-member:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58, 123, 213, 0.4);
}

.btn-member i {
    margin-right: 8px;
}

/* 会员弹窗样式 */
.member-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
}

.member-modal-content {
    position: relative;
    background: white;
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 450px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.4s;
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 15px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    transition: color 0.2s;
}

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

.member-tabs {
    display: flex;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.tab-btn {
    flex: 1;
    padding: 15px 0;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.tab-btn.active {
    color: #3a7bd5;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 3px;
    background: #3a7bd5;
    border-radius: 3px 3px 0 0;
}

.member-iframe-container {
    position: relative;
    padding-bottom: 120%;
    height: 0;
    overflow: hidden;
}

.member-iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* 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;
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .member-modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .member-iframe-container {
        padding-bottom: 150%;
    }
}