/* 悬浮翻译按钮 */
.floating-btn {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1000;
    background: linear-gradient(135deg, #4361ee, #3a0ca3);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 10px 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.floating-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(58, 12, 163, 0.3);
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, #2b3059, #0c1446);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    transition: all 0.3s;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.contact-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.copyright {
    margin-top: 30px;
    font-size: 14px;
    opacity: 0.7;
}