/* ===== QingPDF Footer Styles ===== */

.qingpdf-footer {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0F4E4A 0%, #134E4A 50%, #16534F 100%);
    position: relative;
    overflow: hidden;
    padding: 48px 24px 24px;
}

.qingpdf-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(20, 184, 166, 0.3) 20%, 
        rgba(20, 184, 166, 0.6) 50%, 
        rgba(20, 184, 166, 0.3) 80%, 
        transparent 100%);
}

.qingpdf-footer::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.qingpdf-footer-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.qingpdf-footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 40px;
}

.qingpdf-footer-brand {
    grid-column: span 1;
}

.qingpdf-footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.qingpdf-footer-brand-logo img {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qingpdf-footer-brand-logo:hover img {
    transform: scale(1.05);
}

.qingpdf-footer-brand-title {
    font-size: 24px;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -0.5px;
}

.qingpdf-footer-brand-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 20px;
}

.qingpdf-footer-stats {
    display: flex;
    gap: 24px;
}

.qingpdf-footer-stat {
    text-align: center;
}

.qingpdf-footer-stat-value {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #14B8A6, #2DD4BF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.qingpdf-footer-stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

.qingpdf-footer-section {
    display: flex;
    flex-direction: column;
}

.qingpdf-footer-section-title {
    font-size: 14px;
    font-weight: 600;
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 16px;
    position: relative;
    padding-left: 12px;
}

.qingpdf-footer-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 14px;
    background: linear-gradient(180deg, #14B8A6, #2DD4BF);
    border-radius: 2px;
}

.qingpdf-footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.qingpdf-footer-link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 6px 0;
    position: relative;
    display: inline-block;
}

.qingpdf-footer-link:hover {
    color: #14B8A6;
    padding-left: 8px;
}

.qingpdf-footer-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1.5px;
    background: linear-gradient(90deg, #14B8A6, #2DD4BF);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qingpdf-footer-link:hover::after {
    width: 70px;
}

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

.qingpdf-footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
}

.qingpdf-footer-contact-item i {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 184, 166, 0.15);
    border-radius: 8px;
    color: #14B8A6;
    font-size: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qingpdf-footer-contact-item:hover i {
    background: rgba(20, 184, 166, 0.25);
    transform: scale(1.1);
}

.qingpdf-footer-divider {
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.1) 20%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0.1) 80%, 
        transparent 100%);
    margin-bottom: 20px;
}

.qingpdf-footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.qingpdf-footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.qingpdf-footer-beian {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.45);
}

.qingpdf-footer-beian a {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: none;
    transition: color 0.3s ease;
}

.qingpdf-footer-beian a:hover {
    color: #14B8A6;
}

.qingpdf-footer-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(20, 184, 166, 0.12);
    border-radius: 20px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

.qingpdf-footer-badge i {
    color: #14B8A6;
    font-size: 10px;
}

@media (max-width: 768px) {
    .qingpdf-footer {
        padding: 32px 16px 20px;
    }

    .qingpdf-footer-content {
        gap: 32px;
    }

    .qingpdf-footer-brand {
        grid-column: span 1;
    }

    .qingpdf-footer-stats {
        justify-content: center;
    }

    .qingpdf-footer-bottom {
        gap: 8px;
    }
}