/* 底部样式 */
.footer {
    background: linear-gradient(135deg, #1e3c72 0%, #2a4a8a 100%);
    color: white;
    padding: 28px 0 12px;
    margin-top: 50px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.15fr 0.9fr 1.35fr 0.9fr;
    gap: 22px;
    margin-bottom: 20px;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #00d4ff;
    font-weight: 600;
}

.footer-section p {
    margin-bottom: 10px;
    font-size: 0.86rem;
    opacity: 0.9;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    opacity: 0.9;
    font-size: 0.95rem;
}

.footer-partners {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.partner-link {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 8px;
    color: white;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.06);
    transition: all 0.3s;
}

.partner-link:hover {
    border-color: #00d4ff;
    background: rgba(0, 212, 255, 0.12);
}

.partner-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex: 0 0 auto;
    background: white;
    border-radius: 4px;
    padding: 3px;
}

.partner-logo.text-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #1e3c72;
    font-weight: 700;
    font-size: 0.72rem;
}

.qr-grid {
    display: grid;
    grid-template-columns: repeat(3, 54px);
    gap: 8px;
}

.qr-slot {
    width: 54px;
    height: 54px;
    border: 1px dashed rgba(255, 255, 255, 0.38);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.82);
}

.footer-section ul li a:hover {
    color: #00d4ff;
    opacity: 1;
}

/* 社交链接 */
.social-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.social-links a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 5px;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.social-links a:hover {
    background: #00d4ff;
    color: #1e3c72;
    border-color: #00d4ff;
}

/* 底部栏 */
.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-bottom p {
    margin: 8px 0;
}

.footer-bottom a {
    color: #00d4ff;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: white;
    text-decoration: underline;
}

/* 响应式 */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .footer-section h3 {
        font-size: 1rem;
    }

    .footer-section p,
    .footer-section ul li a {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 26px 0 12px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .footer-section h3 {
        font-size: 0.95rem;
    }

    .footer-section p,
    .footer-section ul li a {
        font-size: 0.85rem;
    }

    .social-links {
        gap: 10px;
        justify-content: center;
    }

    .social-links a {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .footer-bottom {
        padding: 15px;
        font-size: 0.8rem;
    }
}