@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: #333;
    background-color: #f8f9fa;
}

.header-gradient {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
}

.card-shadow {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: #e60012;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #c50010;
    transform: translateY(-2px);
}

.section-title {
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background-color: #e60012;
}

.nav-item {
    transition: all 0.3s ease;
}

.nav-item:hover {
    color: #e60012;
}

.footer-bottom {
    background-color: #1e3c72;
}

.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #fff;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.mobile-nav-item {
    flex: 1;
    text-align: center;
    padding: 10px 0;
    color: #666;
    transition: all 0.3s ease;
}

.mobile-nav-item:hover {
    color: #e60012;
}

.mobile-nav-item.active {
    color: #e60012;
}

.mobile-nav-icon {
    font-size: 20px;
    margin-bottom: 5px;
}

.mobile-nav-text {
    font-size: 12px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }
    
    .card-padding {
        padding: 1rem;
    }
}

/* 套餐卡片动画 */
.package-card {
    transition: all 0.3s ease;
}

.package-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 步骤卡片动画 */
.step-card {
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: scale(1.03);
}

/* 权益卡片动画 */
.benefit-card {
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

/* 常见问题折叠面板 */
.faq-item {
    border-bottom: 1px solid #eee;
}

.faq-question {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    font-weight: 500;
}

.faq-answer {
    padding: 0 0 15px 0;
    display: none;
    color: #666;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-icon {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}