/* ===== Footer 现代化样式 ===== */

.footer {
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);
    color: #2c3e50;
    overflow: hidden;
    margin-top: 0;
    border-top: 1px solid #e9ecef;
}

/* 装饰性背景元素 */
.footer-bg-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(52, 152, 219, 0.05);
    animation: float 6s ease-in-out infinite;
}

.bg-circle-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.bg-circle-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.bg-circle-3 {
    width: 100px;
    height: 100px;
    top: 60%;
    right: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* 容器样式 */
.footer .container {
    position: relative;
    z-index: 2;
    width: 100%;
    margin: 0 auto;
    padding: 0 40px;
}

/* 主要内容区域 */
.footer-main {
    display: grid;
    grid-template-columns: 300px 1fr 280px;
    gap: 30px;
    padding: 20px 0 15px;
    align-items: stretch;
    width: 100%;
    margin: 0 auto;
}

/* 品牌介绍卡片 */
.footer-brand-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 18px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.footer-brand-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.brand-header {
    margin-bottom: 12px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.logo-text h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
}

.logo-tagline {
    font-size: 13px;
    color: #7f8c8d;
    font-weight: 400;
}

.brand-description {
    font-size: 14px;
    line-height: 1.5;
    color: #5a6c7d;
    margin-bottom: 12px;
}

/* 统计数据 */
.brand-stats {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    padding: 12px 0;
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 11px;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 社交媒体连接 */
.social-connect h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #2c3e50;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: #f8f9fa;
    border-radius: 20px;
    text-decoration: none;
    color: #5a6c7d;
    font-size: 12px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.social-btn:hover {
    background: #3498db;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.social-btn i {
    font-size: 16px;
}

/* 服务导航区域 */
.footer-nav-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    height: 100%;
    align-content: start;
}

.nav-column {
    background: #ffffff;
    border-radius: 8px;
    padding: 16px;
    border: 1px solid #e9ecef;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.nav-column:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.nav-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
    color: #2c3e50;
    padding-bottom: 8px;
    border-bottom: 2px solid #3498db;
}

.nav-title i {
    font-size: 16px;
    color: #3498db;
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.nav-links li {
    margin-bottom: 8px;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #5a6c7d;
    text-decoration: none;
    font-size: 13px;
    padding: 6px 0;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.nav-links a:hover {
    color: #3498db;
    padding-left: 8px;
    background: rgba(52, 152, 219, 0.08);
}

.nav-links a i {
    font-size: 12px;
    width: 16px;
    opacity: 0.7;
}

/* 联系方式卡片 */
.contact-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 18px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.contact-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #2c3e50;
}

.contact-title i {
    font-size: 18px;
    color: #3498db;
}

.contact-methods {
    margin-bottom: 0;
    flex: 1;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 10px;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-method:hover {
    background: #e9ecef;
    transform: translateX(3px);
}

.contact-method .contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
}

.contact-info {
    flex: 1;
}

.contact-label {
    display: block;
    font-size: 11px;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.contact-value {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    text-decoration: none;
    margin-bottom: 2px;
    transition: color 0.3s ease;
}

.contact-value:hover {
    color: #3498db;
}

.contact-note {
    font-size: 11px;
    color: #95a5a6;
}

/* 二维码区域 */






/* 底部版权区域 */
.footer-bottom {
    background: #f1f3f4;
    border-top: 1px solid #e9ecef;
    padding: 12px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 40px;
}

.copyright-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.copyright-info p {
    margin: 0;
    font-size: 13px;
    color: #5a6c7d;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a {
    color: #7f8c8d;
    text-decoration: none;
    font-size: 12px;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: #3498db;
}

.certification-info {
    display: flex;
    align-items: center;
}

.cert-badges {
    display: flex;
    gap: 15px;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #ffffff;
    border-radius: 15px;
    font-size: 11px;
    color: #3498db;
    border: 1px solid #e9ecef;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.cert-badge i {
    font-size: 12px;
}

.legal-notice {
    text-align: center;
    padding-top: 8px;
    border-top: 1px solid #e9ecef;
    width: 100%;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

.legal-notice p {
    margin: 0 0 6px;
    font-size: 11px;
    color: #7f8c8d;
}

.legal-notice a {
    color: #7f8c8d;
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal-notice a:hover {
    color: #3498db;
}

.disclaimer {
    font-size: 10px !important;
    color: #95a5a6 !important;
    font-style: italic;
    margin-top: 4px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 40px 0 30px;
    }
    
    .footer-nav-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .brand-stats {
        gap: 15px;
    }
}

@media (max-width: 992px) {
    .footer .container {
        padding: 0 25px;
    }
    
    .footer-main {
        gap: 25px;
        padding: 35px 0 28px;
    }
    
    .logo-text h3 {
        font-size: 23px;
    }
    
    .logo-tagline {
        font-size: 12px;
    }
    
    .brand-description {
        font-size: 13px;
    }
    
    .nav-title {
        font-size: 15px;
    }
    
    .contact-title {
        font-size: 17px;
    }
    
    .stat-number {
        font-size: 19px;
    }
    
    .footer-brand-card,
    .contact-card {
        padding: 22px;
    }
    
    .nav-column {
        padding: 18px;
    }
}

@media (max-width: 768px) {
    .footer {
        margin-top: 30px;
    }
    
    .footer .container {
        padding: 0 15px;
    }
    
    .footer-main {
        display: grid;
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 20px 0 15px;
        align-items: stretch;
    }
    
    .footer-brand-card,
    .contact-card {
        padding: 15px;
        width: 100%;
    }
    
    .footer-nav-section {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    
    .nav-column {
        padding: 12px;
    }
    
    .logo-text h3 {
        font-size: 22px;
    }
    
    .logo-tagline {
        font-size: 12px;
    }
    
    .brand-description {
        font-size: 13px;
    }
    
    .nav-title {
        font-size: 15px;
    }
    
    .nav-title i {
        font-size: 15px;
    }
    
    .nav-links a {
        font-size: 12px;
    }
    
    .nav-links a i {
        font-size: 11px;
    }
    
    .contact-title {
        font-size: 16px;
    }
    
    .contact-title i {
        font-size: 16px;
    }
    
    .contact-value {
        font-size: 13px;
    }
    
    .contact-label {
        font-size: 10px;
    }
    
    .contact-note {
        font-size: 10px;
    }
    
    .brand-stats {
        flex-direction: column;
        gap: 12px;
        text-align: left;
    }
    
    .stat-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .stat-number {
        font-size: 18px;
    }
    
    .stat-label {
        font-size: 10px;
    }
    
    .social-links {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .social-btn {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    .footer-bottom {
        padding: 20px 0;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .copyright-info p {
        font-size: 12px;
    }
    
    .legal-links a {
        font-size: 11px;
    }
    
    .cert-badge {
        font-size: 10px;
    }
    
    .cert-badges {
        flex-direction: row;
        gap: 6px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .legal-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    
    .legal-notice p {
        font-size: 10px;
    }
    
    .disclaimer {
        font-size: 9px !important;
    }
    
    .bg-circle {
        display: none;
    }
}

@media (max-width: 480px) {
    .footer {
        margin-top: 20px;
    }
    
    .footer-main {
        gap: 12px;
        padding: 15px 0 12px;
    }
    
    .footer-nav-section {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    
    .logo-text h3 {
        font-size: 18px;
    }
    
    .logo-tagline {
        font-size: 11px;
    }
    
    .brand-logo {
        gap: 10px;
    }
    
    .logo-icon {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .footer-brand-card,
    .contact-card {
        padding: 12px;
    }
    
    .nav-column {
        padding: 10px;
    }
    
    .brand-description {
        font-size: 12px;
    }
    
    .nav-title {
        font-size: 14px;
    }
    
    .nav-title i {
        font-size: 14px;
    }
    
    .nav-links a {
        font-size: 11px;
    }
    
    .nav-links a i {
        font-size: 10px;
    }
    
    .contact-title {
        font-size: 15px;
    }
    
    .contact-title i {
        font-size: 15px;
    }
    
    .contact-method {
        padding: 10px;
    }
    
    .contact-method .contact-icon {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .contact-value {
        font-size: 12px;
    }
    
    .contact-label {
        font-size: 9px;
    }
    
    .contact-note {
        font-size: 9px;
    }
    
    .stat-number {
        font-size: 16px;
    }
    
    .stat-label {
        font-size: 9px;
    }
    
    .social-btn {
        padding: 5px 8px;
        font-size: 10px;
    }
    
    .social-btn i {
        font-size: 12px;
    }
    
    .qr-section {
        flex-direction: column;
        gap: 10px;
    }
    
    .qr-code {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .qr-label {
        font-size: 10px;
    }
    
    .footer-bottom {
        padding: 15px 0;
    }
    
    .copyright-info p {
        font-size: 11px;
    }
    
    .legal-links a {
        font-size: 10px;
    }
    
    .cert-badge {
        font-size: 9px;
        padding: 4px 8px;
    }
    
    .cert-badge i {
        font-size: 10px;
    }
    
    .legal-notice p {
        font-size: 9px;
    }
    
    .disclaimer {
        font-size: 8px !important;
    }
}