.zb-footer {
    /* 科技感背景图片与渐变叠加 */
    background-image: 
        url('https://picsum.photos/id/1/1920/1080'), /* 替换为科技感背景图URL */
        linear-gradient(135deg, rgba(10, 25, 47, 0.95) 0%, rgba(15, 30, 55, 0.9) 100%);
    background-blend-mode: overlay;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-color-secondary);
    font-size: 14px;
    padding: 20px 0 0;
    position: relative;
    overflow: hidden;
}

/* 科技感网格装饰 */
.zb-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(30, 144, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 144, 255, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}

/* 科技光效装饰 */
.zb-footer::after {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 120%;
    background: radial-gradient(circle, rgba(30, 144, 255, 0.2) 0%, transparent 70%);
    filter: blur(50px);
    z-index: 0;
}

.footer-content {
    max-width: var(--main-container-width, 1400px);
    margin: 0 auto;
    padding: 0 var(--main-padding, 20px);
    position: relative;
    z-index: 1;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px 15px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(30, 144, 255, 0.15); /* 科技蓝边框 */
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.footer-column {
    flex: 0.85;
    min-width: 200px;
    padding: 0 15px;
    margin-bottom: 20px;
}

.footer-column.footer-about {
    flex: 1.5;
}

.footer-title {
    color: #e6f7ff; /* 科技感浅色文字 */
    font-size: var(--theme-heading-font-size, 18px);
    font-weight: var(--theme-heading-font-weight, 600);
    margin-bottom: 15px;
    padding-bottom: 8px;
    position: relative;
    display: inline-block;
    text-shadow: 0 0 10px rgba(30, 144, 255, 0.5);
}

.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: #1e90ff; /* 科技蓝主题色 */
    box-shadow: 0 0 10px rgba(30, 144, 255, 0.8);
}

.footer-desc {
    line-height: 1.8;
    margin-bottom: 10px;
    color: #b0c4de; /* 浅蓝灰色文字 */
}

.footer-heart {
    color: #ff6b6b;
    font-size: 18px;
    animation: heartbeat 1.5s ease-in-out infinite;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.6);
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-link {
    color: #b0c4de;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    padding-left: 15px;
}

.footer-link::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e90ff;
    text-shadow: 0 0 5px rgba(30, 144, 255, 0.8);
}

.footer-link:hover,
.footer-link:active {
    color: #87cefa;
    transform: translateX(5px);
    text-shadow: 0 0 8px rgba(135, 206, 250, 0.8);
}

.qrcode-group {
    display: flex;
    gap: 15px;
}

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

.qrcode-img {
    width: 90px;
    height: 90px;
    border-radius: 8px;
    margin-bottom: 6px;
    transition: transform 0.3s ease;
    border: 1px solid rgba(30, 144, 255, 0.3);
    background: white;
    padding: 5px;
    box-shadow: 0 4px 15px rgba(30, 144, 255, 0.2);
}

.qrcode-img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(30, 144, 255, 0.4);
}

.qrcode-text {
    font-size: 12px;
    color: #b0c4de;
}

.friend-links {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(30, 144, 255, 0.15);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    width: 100%;
    box-sizing: border-box;
}

.friend-links::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, #1e90ff, transparent);
}

.friend-links-title {
    color: #1e90ff;
    font-weight: bold;
    margin-right: 10px;
    display: inline-block;
    text-shadow: 0 0 5px rgba(30, 144, 255, 0.5);
}

.friend-links-list {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px 15px;
    max-width: calc(100% - 80px);
}

.friend-link {
    color: #b0c4de;
    text-decoration: none;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.friend-link:hover,
.friend-link:active {
    color: #87cefa;
    text-shadow: 0 0 8px rgba(135, 206, 250, 0.6);
}

.friend-links-more {
    float: right;
    white-space: nowrap;
}

.friend-link-more {
    color: #b0c4de;
    text-decoration: none;
    margin-left: 15px;
    transition: all 0.3s ease;
}

.friend-link-more.hot {
    color: #ff6b6b;
    text-shadow: 0 0 5px rgba(255, 107, 107, 0.5);
}

.friend-link-more:hover,
.friend-link-more:active {
    color: #87cefa;
    text-shadow: 0 0 8px rgba(135, 206, 250, 0.6);
}

/* 版权模块保持不变 */
.footer-bottom {
    width: 100%;
    background-color: #000;
    border-top: 1px solid var(--border-color);
    margin-top: 10px;
    position: relative;
}

.footer-bottom-inner {
    max-width: var(--main-container-width, 1400px);
    margin: 0 auto;
    padding: 15px var(--main-padding, 20px);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    margin-bottom: 8px;
    color: var(--text-color-secondary);
}

.footer-info {
    display: flex;
    gap: 15px;
    font-size: 12px;
}

.footer-info span {
    position: relative;
    color: var(--text-color-secondary);
}

.footer-info span a {
    color: var(--text-color-secondary);
    transition: color 0.3s ease;
}

.footer-info span a:hover,
.footer-info span a:active {
    color: var(--main-color);
}

.footer-info span:not(:last-child)::after {
    content: "|";
    margin-left: 15px;
    color: var(--border-color);
}

/* 在线客服按钮科技感样式 */
.online-service {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 100;
}

.service-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1e90ff 0%, #0000cd 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(30, 144, 255, 0.4);
    transition: all 0.3s ease;
}

.service-icon:hover {
    background: linear-gradient(135deg, #87cefa 0%, #1e90ff 100%);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(30, 144, 255, 0.6);
}

/* 响应式设计保持不变 */
@media (max-width: 768px) {
    .footer-top {
        display: none !important;
    }
    
    .friend-links {
        display: none !important;
    }
    
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        padding: 12px var(--main-padding, 20px);
    }
    
    .footer-info {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .online-service {
        right: 20px;
        bottom: 20px;
    }
    
    .service-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}