html {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.site-footer {
    padding-top: clamp(0.75rem, 1.2vw, 1.2rem);
    background: var(--primary-color);
    color: #E2E8F0;
    margin-top: auto;
}

.site-footer .container {
    width: 92% !important;
    padding-left: clamp(12px, 1.2vw, 20px) !important;
    padding-right: clamp(12px, 1.2vw, 20px) !important;
    margin: 0 auto !important;
}

@media (min-width: 1200px) {
    .site-footer .container {
        width: 100%;
    }
    .footer-logo { 
        width: 100px !important;
    }
}

@media (min-width: 2000px) {
    .site-footer .container {
        max-width: 1600px; 
    }
}

@media (min-width: 2700px) {
    .site-footer .container {
        max-width: 2400px; 
    }
    
    .footer-logo { 
        opacity: 0.95; 
        transition: 0.3s; 
        transform: scale(2.5);
        transform-origin: left center;
    }
    
    .footer-logo:hover { 
        opacity: 1; 
        transform: scale(2.55); 
    }

    .brand-desc {
        font-size: 1.55rem !important; 
        line-height: 1.8 !important;
        margin-top: 30px !important;
    }

    .social-icon-png {
        width: 70px !important;
        height: 70px !important;
        gap: 20px !important;
    }

    .social-icon-png img {
        width: 45px !important;
        height: 45px !important;
    }

    .footer-title {
        font-size: 1.8rem !important; 
        margin-bottom: 45px !important;
        letter-spacing: 3px !important;
    }

    .footer-title::before {
        width: 40px !important; 
        height: 3px !important;
        bottom: -15px !important;
    }

    .footer-nav-list li {
        margin-bottom: 20px !important;
    }

    .footer-nav-list a {
        font-size: 1.6rem !important; 
    }

    .contact-direct-list li {
        font-size: 1.6rem !important;
        gap: 25px !important;
        margin-bottom: 30px !important;
    }

    .contact-direct-list i {
        font-size: 2rem !important;
    }

    .footer-copyright small {
        font-size: 1.5rem !important;
        line-height: 2 !important;
    }

}

.footer-logo { 
    opacity: 0.95; 
    transition: 0.3s; 
    transform: scale(1.5);
    transform-origin: left center;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.4)) brightness(1.2);
}

.footer-logo:hover { 
    opacity: 1; 
    transform: scale(1.55); 
}

.logo-wrapper {
    display: flex;
    justify-content: center;
}

@media (min-width: 992px) {
    .logo-wrapper { 
        justify-content: flex-start; 
    }
}

.brand-desc {
    font-size: 0.9rem; 
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-title { 
    font-size: 0.9rem; 
    font-weight: 700; 
    letter-spacing: 2px; 
    color: #FFFFFF; 
    margin-bottom: 28px; 
    position: relative; 
    text-transform: uppercase;
}

.footer-title::before { 
    content: ''; 
    position: absolute; 
    left: 0; 
    bottom: -8px; 
    width: 32px; 
    height: 3px; 
    background: var(--accent-color); 
    border-radius: 2px;
}

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

.footer-nav-list li { 
    margin-bottom: 12px; 
}

.footer-nav-list a { 
    color: rgba(255, 255, 255, 0.65); 
    text-decoration: none; 
    font-size: 0.95rem; 
    transition: all 0.3s; 
    display: inline-block;
}

.footer-nav-list a:hover { 
    color: #FFFFFF; 
    padding-left: 8px; 
}

.contact-direct-list { 
    list-style: none; 
    padding: 0; 
}

.contact-direct-list li { 
    display: flex; 
    gap: 15px; 
    margin-bottom: 18px; 
    align-items: flex-start; 
    font-size: 0.95rem; 
    color: rgba(255, 255, 255, 0.7); 
    line-height: 1.6; 
}

.contact-direct-list i { 
    color: var(--accent-color); 
    font-size: 1.1rem; 
    flex-shrink: 0; 
    margin-top: 2px; 
}

.contact-direct-list span { 
    font-size: 0.95rem; 
}

.contact-direct-list a { 
    color: rgba(255, 255, 255, 0.7); 
    text-decoration: none; 
    font-size: 0.95rem; 
    transition: all 0.3s; 
}

.contact-direct-list a:hover { 
    color: #FFFFFF; 
    text-decoration: underline; 
}

.footer-social-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-icon-png {
    width: clamp(40px, 4vw, 50px);
    height: clamp(40px, 4vw, 50px);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    overflow: hidden;
}

.social-icon-png img {
    width: clamp(26px, 3vw, 40px); 
    height: clamp(26px, 3vw, 40px);
    object-fit: contain;
    transition: all 0.3s ease;
}

.social-icon-png:hover {
    transform: translateY(-5px);
    background: var(--accent-color);
    box-shadow: 0 10px 20px rgba(242, 201, 76, 0.3);
}

.social-icon-png:hover img {
    transform: scale(1.1);
}

.follow-us-text-list {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
    display: flex;
    gap: 12px;
}

.follow-title-small {
    font-size: 0.75rem;
    font-weight: 600;
    color: #64748B;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.follow-link-item {
    position: relative;
    display: inline-flex;
    align-self: flex-start;
    cursor: pointer;
}

.link-content {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    padding: 2px 0;
}

/* 字体图标基础样式 */
.link-content i {
    font-size: 1.1rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

/* === 新增：限制 SVG 图片图标的大小，使其与 i 标签一致 === */
.link-content img {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: contain;
    display: block;
    transition: all 0.3s ease; /* 过渡动画 */
}

.link-text {
    font-size: 0.95rem;
}

.follow-link-item:hover .link-content {
    color: #FFFFFF;
}

/* === 修改：鼠标悬浮时，i 标签和 img 标签同时放大 1.1 倍 === */
.follow-link-item:hover .link-content i,
.follow-link-item:hover .link-content img {
    transform: scale(1.1);
}

.qr-dropup {
    position: absolute;
    bottom: 120%;
    left: 0;
    background: #FFFFFF;
    padding: 12px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    width: 130px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99;
}

.qr-dropup::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 20px;
    border: 6px solid transparent;
    border-top-color: #FFFFFF;
}

.qr-dropup img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

.qr-dropup p {
    margin: 8px 0 0;
    font-size: 11px;
    color: #333;
    font-weight: 600;
    line-height: 1.2;
}

.follow-link-item:hover .qr-dropup {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* === 2K/超大屏媒体查询适配 === */
@media (min-width: 2700px) {
    .follow-us-text-list {
        gap: 25px;
        padding-top: 30px;
    }
    .follow-title-small { font-size: 1.2rem; }
    .link-text { font-size: 1.6rem; }
    
    /* 大屏下等比例放大字体图标和图片图标 */
    .link-content i { font-size: 1.8rem; }
    .link-content img { 
        width: 1.8rem; 
        height: 1.8rem; 
    }
    
    .qr-dropup {
        width: 220px;
        padding: 20px;
        bottom: 130%;
    }
    .qr-dropup p { font-size: 1.2rem; margin-top: 15px; }
}

@media (max-width: 991px) {
    .follow-us-text-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }
    .qr-dropup {
        left: -20px;
    }
}

@media (max-width: 991.98px) {
    .footer-title {
        margin-bottom: 18px;
    }
    .footer-logo { 
        transform: scale(1.05);
        transform-origin: center;
    }
    .footer-nav-wrap,
    .footer-contact-wrap {
        margin-top: 10px;
    }

    .contact-direct-list li {
        margin-bottom: 12px;
    }

    .footer-copyright small {
        display: inline-block;
        line-height: 1.7;
        word-break: break-word;
    }

    .footer-main {
        padding-bottom: 24px;
    }
}

.footer-copyright {
    background: rgba(0, 0, 0, 0.2);
}

.footer-copyright .border-top {
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding-top: 5px;
}
.footer-copyright span {
    font-size: 0.85rem !important;
}
.recordnum-box a {
    font-size: 0.85rem !important;
    color: rgba(255, 255, 255, 0.5) !important; /* 保持半透明白 */
    text-decoration: none !important;           /* 去除下划线 */
    transition: color 0.15s ease-in-out;
}
.recordnum-box a:hover {
    color: rgba(255, 255, 255, 1) !important;   /* 悬停时变为纯白 */
}
.footer-copyright small {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem !important;
}

.footer-main .row {
    gap: 32px;
}