/* 页脚基础样式（默认适配 1440px 及以上） */
footer,.footer {
    background-color: #2c2c33;
    color: #fff;
    padding: 40px 0 !important;
    padding-bottom: 20px !important;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 100%;
}

/* 内容区：Flex 分栏（默认 1440px 适配） */
.footer-content {
    width: 100%;
    max-width: 1440px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 40px;
}

/* 左侧logo与信息 */
.footer-logo {
    flex-shrink: 0;
}

.logo-img {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
}

.logo-img img {
    width: 135px;
    height: 54px;
}

.footer-info {
    font-size: 14px;
    color: #ccc;
    line-height: 1.8;
}

.footer-info img {
    width: 24px;
    height: 24px;
}

.footer-info p {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 中间导航栏（多列） */
.footer-nav {
    display: flex;
    gap: 80px; /* 列间距 */
}

.nav-column h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #fff;
}

.nav-column ul {
    list-style: none;
    padding: 0; /* 重置ul默认内边距 */
}

.nav-column li {
    margin-bottom: 8px;
}

.nav-column a {
    color: #ccc;
    font-size: 14px;
    text-decoration: none;
}

.nav-column a:hover {
    color: #40a9ff;
}

/* 右侧二维码 */
.footer-qrcode {
    text-align: center;
}

.qrcode-img {
    width: 120px;
    height: 120px;
    margin-bottom: 5px;
}

.qrcode-text {
    font-size: 12px;
    color: #ccc;
}

/* 底部版权栏 */
.footer-copyright {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid #444;
    padding-top: 20px;
}

.footer-copyright span {
    width: 100%;
    max-width: 1440px;
    font-size: 14px;
    color: #999;
}
/* 1440px 断点适配 */
@media (max-width: 1440px) { 
    footer{
        padding-left: 32px!important;
        padding-right: 32px!important;
    }
}
/* 1280px 断点适配 */
@media (max-width: 1280px) {
    .footer-content {
        max-width: 1200px;
        gap: 30px;
    }
    .footer-nav {
        gap: 60px;
    }
    .logo-img {
        font-size: 22px;
    }
    .logo-img img {
        width: 120px;
        height: 48px;
    }
}

/* 1024px 断点适配 */
@media (max-width: 1024px) {
    .footer-content {
        max-width: 960px;
        gap: 20px;
    }
    .footer-nav {
        gap: 40px;
    }
    .logo-img {
        font-size: 20px;
        margin-bottom: 10px;
    }
    .logo-img img {
        width: 105px;
        height: 42px;
    }
    .footer-info {
        font-size: 13px;
    }
    .nav-column h4 {
        font-size: 15px;
    }
    .nav-column a {
        font-size: 13px;
    }
    .qrcode-img {
        width: 100px;
        height: 100px;
    }
    .qrcode-text {
        font-size: 11px;
    }
    .footer-copyright span {
        font-size: 13px;
        max-width: 960px;
    }
}

/* 768px 断点适配 */
@media (max-width: 768px) {
    footer {
        padding: 30px 0 !important;
        padding-bottom: 15px !important;
    }
    .footer-content {
        max-width: 720px;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 30px;
    }
    .footer-info p {
        justify-content: center;
    }
    .footer-nav {
        flex-direction: row; /* 768px 仍保持横向导航，仅缩小间距 */
        gap: 30px;
        margin: 10px 0;
    }
    .nav-column {
        text-align: center;
    }
    .logo-img {
        justify-content: center;
    }
    .footer-info {
        font-size: 12px;
    }
    .qrcode-img {
        width: 90px;
        height: 90px;
    }
    .footer-copyright span {
        text-align: center;
        font-size: 12px;
    }
}

/* 375px 断点适配（移动端核心适配） */
@media (max-width: 375px) {
    footer {
        padding: 20px 10px !important;
        padding-bottom: 10px !important;
    }
    .footer-content {
        max-width: 100%;
        padding: 0 15px;
        gap: 20px;
    }
    .logo-img {
        font-size: 18px;
        gap: 8px;
    }
    .logo-img img {
        width: 90px;
        height: 36px;
    }
    .footer-info {
        font-size: 11px;
        line-height: 1.6;
    }
    .footer-info img {
        width: 20px;
        height: 20px;
    }
    .footer-nav {
        flex-direction: column; /* 375px 导航纵向排列 */
        gap: 15px;
        margin: 15px 0;
    }
    .nav-column h4 {
        font-size: 14px;
        margin-bottom: 8px;
    }
    .nav-column li {
        margin-bottom: 5px;
    }
    .nav-column a {
        font-size: 12px;
    }
    .qrcode-img {
        width: 80px;
        height: 80px;
    }
    .qrcode-text {
        font-size: 10px;
    }
    .footer-copyright {
        padding-top: 15px;
    }
    .footer-copyright span {
        font-size: 11px;
        text-align: center;
        padding: 0 10px;
    }
}