/* 语言选择 */
        .header-lang {
            margin-right: 20px;
        }

        .lang-selector {
            position: relative;
        }

        .lang-toggle {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: #333;
            background: rgba(12, 64, 148, 0.05);
            border: none;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .lang-toggle:hover {
            background: #0C4094;
            color: #fff;
        }

        .lang-arrow {
            font-size: 10px;
            transition: transform 0.3s ease;
        }

        .lang-selector.active .lang-arrow {
            transform: rotate(180deg);
        }

        .lang-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
            padding: 10px 0;
            min-width: 120px;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
        }

        .lang-selector.active .lang-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .lang-dropdown li {
            list-style: none;
        }

        .lang-dropdown a {
            display: block;
            padding: 10px 20px;
            font-size: 14px;
            color: #333;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .lang-dropdown a:hover {
            background: rgba(12, 64, 148, 0.1);
            color: #0C4094;
        }
/* 新版Footer样式 */
.new-footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.new-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.footer-main {
    position: relative;
    z-index: 1;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 30px 30px;
}

/* CTA区域 */
.footer-cta {
    text-align: center;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 60px;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff 0%, #a8d8ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: linear-gradient(135deg, #0C4094 0%, #1a5bc7 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(12, 64, 148, 0.3);
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(12, 64, 148, 0.4);
}

.cta-btn .arrow {
    transition: transform 0.3s ease;
}

.cta-btn:hover .arrow {
    transform: translateX(5px);
}

/* 主要内容区域 */
.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

/* 品牌区域 */
.footer-brand .brand-logo {
    height: 50px;
    margin-bottom: 20px;
}

.footer-brand .brand-logo img {
    height: 100%;
    width: auto;
    filter: brightness(0) invert(1);
}

.brand-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

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

.social-item {
    position: relative;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.social-item:hover {
    background: #0C4094;
    transform: translateY(-5px);
}

.social-icon img {
    width: 30px;
    height: 30px;
}

.social-popup {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    width: 150px;
    text-align: center;
}

.social-item:hover .social-popup {
    transform: translateX(-50%) scale(1);
    opacity: 1;
    visibility: visible;
}

.social-popup img {
    width: 100%;
    border-radius: 5px;
    margin-bottom: 8px;
}

.social-popup span {
    font-size: 12px;
    color: #333;
    display: block;
}

/* 链接区域 */
.footer-links h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 15px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #0C4094;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #0C4094;
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
    transform: translateX(5px);
}

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

/* 联系区域 */
.footer-contact h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 15px;
}

.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #0C4094;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-item .contact-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    background: #0C4094;
    transform: rotateY(360deg);
}

.contact-item .contact-icon svg {
    width: 18px;
    height: 18px;
    color: #fff;
}

.contact-info {
    display: flex;
    flex-direction: column;
}

.contact-info .label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 3px;
}

.contact-info .value {
    font-size: 14px;
    color: #fff;
    line-height: 1.5;
}

/* 底部版权 */
.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.copyright-left {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.copyright-center {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.copyright-center .divider {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.3);
}

/* 响应式 */
@media (max-width: 1200px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer-container {
        padding: 60px 20px 20px;
    }

    .cta-title {
        font-size: 28px;
    }

    .cta-desc {
        font-size: 16px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}