/* 底部栏样式 */
.site-footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: white;
    padding-top: 5rem;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--danger-color), var(--primary-color), var(--danger-color));
}

.site-footer::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(13, 110, 253, 0.08) 0%, transparent 70%);
}

.footer-top {
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 1;
}

.footer-brand {
    position: relative;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo i {
    font-size: 2.25rem;
    background: linear-gradient(135deg, var(--primary-color), var(--danger-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo span {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
    position: relative;
}

.footer-logo span::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.footer-slogan {
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.15), rgba(220, 53, 69, 0.15));
    border: 1px solid rgba(13, 110, 253, 0.2);
    border-radius: 50px;
    display: inline-block;
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
    transition: all 0.3s ease;
}

.footer-slogan:hover {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.25), rgba(220, 53, 69, 0.25));
    transform: translateY(-2px);
}

.footer-section {
    padding-left: 1rem;
    position: relative;
}

.footer-section::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 3px;
    height: 18px;
    background: linear-gradient(180deg, var(--primary-color), var(--danger-color));
    border-radius: 2px;
}

.footer-top h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
    letter-spacing: 0.5px;
}

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

.footer-top ul li {
    margin-bottom: 0.875rem;
    position: relative;
}

.footer-top ul li::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--danger-color));
    border-radius: 50%;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-top ul li:hover::before {
    opacity: 1;
    left: -16px;
}

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

.footer-top ul li a:hover {
    color: white;
    padding-left: 8px;
}

.footer-qrcode {
    margin-top: 1.5rem;
    text-align: center;
}

.qrcode-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 0.5rem;
    border-radius: 14px;
    overflow: hidden;
    border: 2px solid rgba(13, 110, 253, 0.3);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.2);
    transition: all 0.3s ease;
}

.qrcode-image:hover {
    border-color: var(--primary-color);
    box-shadow: 0 6px 25px rgba(13, 110, 253, 0.4);
    transform: scale(1.05);
}

.qrcode-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qrcode-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    display: block;
}

.footer-bottom {
    padding: 2rem 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-copyright {
    margin-bottom: 1rem;
}

.footer-copyright p {
    margin: 0;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
}

.icp-link {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

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

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-links span {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
    transition: width 0.3s ease;
}

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

.footer-links a:hover::after {
    width: 100%;
}

.footer-divider {
    color: rgba(255, 255, 255, 0.2);
    margin: 0 0.5rem;
}