.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 30px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-info {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 24px;
    color: #00a1ff;
}

.footer-logo span {
    font-size: 20px;
    font-weight: 600;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.link-group h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.link-group h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: #00a1ff;
}

.link-group ul {
    list-style: none;
    padding: 0;
}

.link-group li {
    margin-bottom: 16px;
}

.link-group a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

.link-group a:hover {
    color: #00a1ff;
    transform: translateX(5px);
}

.link-group i {
    font-size: 16px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .footer {
        padding: 40px 20px 20px;
        margin-top: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-info {
        max-width: 100%;
    }

    .footer-logo {
        justify-content: flex-start;
    }

    .footer-desc {
        font-size: 14px;
    }

    .footer-links {
        gap: 30px;
    }

    .link-group h4 {
        font-size: 15px;
        margin-bottom: 16px;
    }

    .link-group h4::after {
        left: 0;
        transform: none;
    }

    .link-group li {
        margin-bottom: 12px;
    }

    .link-group a {
        font-size: 14px;
        justify-content: flex-start;
    }

    .footer-bottom {
        margin-top: 30px;
        padding-top: 20px;
    }

    .footer-bottom p {
        font-size: 13px;
    }
}

/* 小屏幕设备的额外优化 */
@media (max-width: 480px) {
    .footer {
        padding: 30px 15px 15px;
    }

    .footer-content {
        gap: 30px;
    }

    .footer-logo {
        margin-bottom: 15px;
    }

    .footer-logo i {
        font-size: 20px;
    }

    .footer-logo span {
        font-size: 18px;
    }

    .link-group li {
        margin-bottom: 10px;
    }
}