/*
 * 柠檬软件销售主题 - 页脚样式
 */

/* 页脚主体 */
.site-footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
    color: var(--lemon-text-light);
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(79, 70, 229, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.site-footer .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 max(var(--lemon-space-8), 5vw);
    position: relative;
    z-index: 2;
}

.footer-content {
    padding: var(--lemon-space-20) 0 var(--lemon-space-12);
}

.footer-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: var(--lemon-space-8);
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

/* 页脚栏目 */
.footer-column {
    padding: var(--lemon-space-4) var(--lemon-space-2);
    position: relative;
}

.footer-column h4 {
    font-size: var(--lemon-text-lg);
    font-weight: var(--lemon-font-bold);
    margin-bottom: var(--lemon-space-4);
    color: var(--lemon-text-light);
    position: relative;
    padding-bottom: var(--lemon-space-2);
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--lemon-primary-light) 0%, var(--lemon-secondary) 100%);
    border-radius: var(--lemon-radius-full);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.85);
    line-height: var(--lemon-leading-normal);
    margin-bottom: var(--lemon-space-3);
    font-size: var(--lemon-text-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: all var(--lemon-transition-smooth);
    position: relative;
}

.footer-column a:hover {
    color: var(--lemon-primary-light);
    text-shadow: 0 0 8px rgba(79, 70, 229, 0.5);
}

/* 公司信息 */
.footer-company p {
    margin-bottom: var(--lemon-space-2);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--lemon-space-2);
    margin-bottom: var(--lemon-space-1);
    font-size: var(--lemon-text-sm);
}

.footer-contact i {
    width: 14px;
    color: var(--lemon-primary-light);
    flex-shrink: 0;
}

/* 页脚菜单 */
.footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-menu li {
    margin-bottom: var(--lemon-space-1);
}

.footer-menu a {
    display: block;
    padding: var(--lemon-space-1) 0;
    transition: all var(--lemon-transition-fast);
    font-size: var(--lemon-text-sm);
}

.footer-menu a:hover {
    color: var(--lemon-primary-light);
    padding-left: var(--lemon-space-2);
}

/* 社交媒体 */
.social-links {
    display: flex;
    gap: var(--lemon-space-2);
    margin-bottom: var(--lemon-space-3);
    flex-wrap: wrap;
}

.social-link {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--lemon-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lemon-text-light);
    text-decoration: none;
    transition: all var(--lemon-transition-smooth);
    font-size: var(--lemon-text-sm);
}

.social-link:hover {
    background: var(--lemon-primary);
    transform: translateY(-2px);
    color: var(--lemon-text-light);
}

/* 微信二维码 */
.wechat-qr {
    margin-top: var(--lemon-space-2);
}

.qr-code-image {
    border-radius: var(--lemon-radius-md);
    box-shadow: var(--lemon-shadow-sm);
    max-width: 100px !important;
    width: 100%;
}

.qr-placeholder {
    text-align: center;
    padding: var(--lemon-space-3);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--lemon-radius-md);
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.qr-placeholder i {
    font-size: var(--lemon-text-2xl);
    color: var(--lemon-primary-light);
    margin-bottom: var(--lemon-space-1);
}

.qr-placeholder p {
    font-size: var(--lemon-text-xs);
    margin: 0;
    opacity: 0.8;
}

/* 页脚底部 */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: var(--lemon-space-8) max(var(--lemon-space-8), 5vw);
    text-align: center;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.footer-info {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-info p {
    font-size: var(--lemon-text-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--lemon-space-3);
    line-height: 1.6;
}

.footer-info a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--lemon-transition-smooth);
    padding: var(--lemon-space-1) var(--lemon-space-2);
    border-radius: var(--lemon-radius-sm);
}

.footer-info a:hover {
    color: var(--lemon-primary-light);
    background: rgba(79, 70, 229, 0.1);
    text-shadow: 0 0 8px rgba(79, 70, 229, 0.5);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .site-footer .container {
        padding: 0 max(var(--lemon-space-4), 3vw);
    }

    .footer-row {
        gap: var(--lemon-space-6);
    }

    .footer-column h4 {
        font-size: var(--lemon-text-base);
        margin-bottom: var(--lemon-space-3);
    }

    .footer-column p {
        font-size: var(--lemon-text-sm);
        margin-bottom: var(--lemon-space-2);
    }
}

@media (max-width: 768px) {
    .site-footer .container {
        padding: 0 max(var(--lemon-space-3), 2vw);
    }

    .footer-row {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--lemon-space-4);
    }

    .footer-content {
        padding: var(--lemon-space-12) 0 var(--lemon-space-6);
    }

    .footer-bottom {
        padding: var(--lemon-space-4) max(var(--lemon-space-3), 2vw);
    }

    .footer-column {
        padding: var(--lemon-space-2) var(--lemon-space-1);
    }
}

@media (max-width: 480px) {
    .footer-row {
        grid-template-columns: 1fr;
        gap: var(--lemon-space-6);
    }

    .footer-column {
        padding: var(--lemon-space-3) 0;
        text-align: center;
    }

    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
    }
}