/* 页脚样式 */
.footer {
    background-color: #1a2a3a;
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}


.footer-col h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background-color: var(--accent-orange);
    bottom: 0;
    left: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #bbbbbb;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--white);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-icon {
    width: 20px;
    margin-right: 10px;
    margin-top: 10px;
    color: var(--accent-orange);
}

.contact-text {
    color: #bbbbbb;
}

.qrcode {
    width: 120px;
    height: 120px;
    background-color: var(--white);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    color: var(--dark-gray);
    font-weight: 700;
}

.qrcode img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #bbbbbb;
    font-size: 14px;
}

/* ============================================
   小屏手机优化 (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    .footer {
        padding-top: 20px;
    }
    .footer-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 10px;
        margin-bottom: 10px;
    }
    .contact-item {
        margin-bottom: 10px;
    }
    .contact-icon {
        margin-top: 5px;
    }
    .footer-short-col {
        display: grid;
        grid-template-columns: 1fr 1fr;
        padding: 10px;
        gap: 0 10px;
    }
    .footer-short-col ul {
        margin-left: 15px;
        font-size: 14px;
    }
    .qrcode-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .footer-bottom {
        padding-top: 10px;
    }
}