/* ============================================================
   页脚样式 - public_bottom.php
   引用方式：<link rel="stylesheet" href="/css/footer.css">
   ============================================================ */
.footer {
    background-color: #1D2129;
    color: #86909C;
    padding: var(--spacing-section) 0 0;
    margin-top: auto;
    font-family: var(--font-family);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-large);
    padding-bottom: var(--spacing-large);
    border-bottom: 1px solid #2A2F3A;
    align-items: start;
}

/* 左侧：公司信息 */
.footer-info {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-element);
    text-decoration: none;
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bolder);
}

.footer-logo:hover {
    color: var(--color-primary);
}

.footer-logo-icon {
    width: 48px;
    height: 48px;
    color: var(--color-white);
    border-radius: var(--radius-button);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bolder);
    font-size: 1.5rem;
    margin-right: 12px;
}
.footer-logo-icon img{border-radius: 16px;}

.footer-description {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-paragraph);
    color: #86909C;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    color: #86909C;
}

.contact-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 中间：导航链接组 */
.footer-links-group {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-large);
    justify-content: center;
}

.footer-links {
    display: flex;
    flex-direction: column;
}

.footer-title {
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-element);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link {
    color: #86909C;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
    display: block;
    padding: 2px 0;
    line-height: 1.4;
}

.footer-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

/* 右侧：关注我们 */
.footer-social {
    display: flex;
    flex-direction: column;
    max-width: 300px;
    margin-left: auto;
}

.social-links {
    display: flex;
    gap: 12px;
    margin: 15px 0;
    justify-content: center;
}

.social-link {
    width: 32px;
    height: 32px;
    background-color: #2A2F3A;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    text-decoration: none;
}

/* 底部栏 */
.footer-bottom {
    padding: var(--spacing-paragraph) 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.icp {
    font-size: 0.875rem;
    color: #86909C;
    text-align: center;
}

.legal-links {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.legal-link {
    color: #86909C;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.legal-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.separator {
    color: #4E5969;
    margin: 0 4px;
}

.icp {
    font-size: 0.875rem;
    color: #86909C;
}

.icp a {
    color: #86909C;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.icp a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.icp i {
    margin-right: 4px;
    color: var(--color-secondary);
}

/* 响应式 */
@media (max-width: 1199px) {
    .footer-main {
        grid-template-columns: 1fr 2fr;
        gap: 40px;
    }
    .footer-links-group {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

@media (max-width: 767px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-info {
        max-width: 100%;
    }
    .footer-links-group {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .footer-bottom {
        text-align: center;
    }
    .footer-bottom-content {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    .social-links {
        justify-content: center;
    }
    .legal-links {
        flex-direction: column;
        gap: 8px;
    }
    .separator {
        display: none;
    }
}