/* 页脚样式 */
.site-footer {
    background: url('../images/index/footer-bg.png') top center/cover, #4a5568;
    position: relative;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 0;
    position: relative;
}

.footer-main-content {
    display: grid;
    grid-template-columns: 2fr 2fr 2fr;
    gap: 80px;
    padding-bottom: 40px;
}

/* 品牌信息区域 */
.footer-logo {
    margin-bottom: 30px;
}

.footer-logo img {
    height: 60px;
}

.footer-brand-phone {
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
}

.footer-brand-phone p {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.footer-brand-link {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.footer-brand-link p {
    margin: 0;
    word-break: break-all;
}

/* 社交媒体图标 */
.footer-social {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-social-link {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.footer-social-link:hover {
    border-color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.1);
}

.footer-social-link img {
    width: 20px;
    height: 20px;
}

/* 导航链接区域 */
.footer-nav-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-nav-title {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav-item {
    margin-bottom: 16px;
}

.footer-nav-link {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-nav-link:hover {
    color: rgba(255,255,255,1);
}

/* 友情链接区域 */
.footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.footer-link-item {
    margin-bottom: 12px;
}

.footer-link {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    display: inline-block;
}

.footer-link:hover {
    color: rgba(255,255,255,1);
}

/* 二维码区域 */
.footer-qrcode-container {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.footer-qrcode-item {
    text-align: center;
}

.footer-qrcode-item img {
    width: 100px;
    height: 100px;
    background: white;
    padding: 4px;
    border-radius: 4px;
}

/* 底部版权区域 */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding: 30px 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.footer-copyright {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin: 0;
}

.footer-icp {
    margin: 0;
}

.footer-icp-link {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-icp-link:hover {
    color: rgba(255,255,255,0.9);
}

/* 平板端适配 (768px - 1024px) */
@media (max-width: 1024px) {
    .footer-container {
        padding: 40px 20px 0;
    }
    
    .footer-main-content {
        gap: 40px;
    }
    
    .footer-nav-links {
        gap: 30px;
    }
}

/* 移动端适配 (小于768px) */
@media (max-width: 768px) {
    .footer-container {
        padding: 30px 16px 0;
    }
    
    .footer-main-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-bottom: 30px;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-brand .footer-logo {
        margin-bottom: 20px;
    }
    
    .footer-brand .footer-logo img {
        height: 50px;
    }
    
    .footer-nav-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-qrcode-container {
        justify-content: center;
        gap: 15px;
    }
    
    .footer-qrcode-item img {
        width: 80px;
        height: 80px;
    }
    
    .footer-bottom {
        justify-content: center;
        padding: 20px 0;
    }
    
    .footer-bottom-content {
        align-items: center;
    }
}

/* 装饰圆圈 */
.footer-decorative-circles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.footer-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: transparent;
}

/* 左上两个圆圈 */
.footer-circle-top-left-1 {
    width: 120px;
    height: 120px;
    top: -60px;
    left: -60px;
}

.footer-circle-top-left-2 {
    width: 80px;
    height: 80px;
    top: -40px;
    left: -40px;
}

/* 右下两个圆圈 */
.footer-circle-bottom-right-1 {
    width: 120px;
    height: 120px;
    bottom: -60px;
    right: -60px;
}

.footer-circle-bottom-right-2 {
    width: 80px;
    height: 80px;
    bottom: -40px;
    right: -40px;
}

/* 小屏幕移动端 (小于480px) */
@media (max-width: 480px) {
    .footer-container {
        padding: 20px 12px 0;
    }
    
    .footer-main-content {
        gap: 25px;
    }
    
    .footer-brand .footer-logo img {
        height: 40px;
    }
    
    .footer-brand-phone p {
        font-size: 16px !important;
    }
    
    .footer-qrcode-item img {
        width: 70px;
        height: 70px;
    }
    
    /* 移动端隐藏装饰圆圈或缩小 */
    .footer-circle {
        opacity: 0.5;
    }
    
    .footer-circle-top-left-1,
    .footer-circle-bottom-right-1 {
        width: 80px;
        height: 80px;
        top: -40px;
        left: -40px;
        bottom: auto;
        right: auto;
    }
    
    .footer-circle-top-left-2,
    .footer-circle-bottom-right-2 {
        width: 60px;
        height: 60px;
        top: -30px;
        left: -30px;
        bottom: auto;
        right: auto;
    }
    
    .footer-circle-bottom-right-1 {
        top: auto;
        left: auto;
        bottom: -40px;
        right: -40px;
    }
    
    .footer-circle-bottom-right-2 {
        top: auto;
        left: auto;
        bottom: -30px;
        right: -30px;
    }
}