@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;
    background-color: #f8fafc;
}

.card-shadow {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.gradient-bg {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}

.package-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 16px;
    overflow: hidden;
}

.package-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.footer-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 20px 20px 0 0;
}

.btn-primary {
    background-color: #1e3a8a;
    color: white;
    transition: all 0.3s ease;
    border-radius: 25px;
}

.btn-primary:hover {
    background-color: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-secondary {
    background-color: #3b82f6;
    color: white;
    transition: all 0.3s ease;
    border-radius: 25px;
}

.btn-secondary:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.section-title {
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: #3b82f6;
    border-radius: 2px;
}

/* 小红书风格卡片 */
.xiaohongshu-card {
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

.xiaohongshu-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1e293b;
}

.xiaohongshu-card p {
    font-size: 15px;
    line-height: 1.6;
    color: #475569;
    margin-bottom: 10px;
}

/* 标签样式 */
.tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: #dbeafe;
    color: #1e40af;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-right: 8px;
    margin-bottom: 8px;
}

/* 列表样式 */
.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    line-height: 1.5;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background-color: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* 套餐对比表格 */
.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.compare-table th {
    background-color: #1e3a8a;
    color: white;
    padding: 15px 10px;
    text-align: center;
    font-weight: 600;
}

.compare-table td {
    background-color: white;
    padding: 12px 10px;
    text-align: center;
    border-bottom: 1px solid #e5e7eb;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table tr:nth-child(even) td {
    background-color: #f9fafb;
}

/* 步骤样式 */
.step-container {
    position: relative;
}

.step-line {
    position: absolute;
    left: 20px;
    top: 40px;
    bottom: 0;
    width: 2px;
    background-color: #3b82f6;
    z-index: 0;
}

.step-item {
    position: relative;
    z-index: 1;
    padding-left: 60px;
    margin-bottom: 30px;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    border-top-color: #3b82f6;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 滚动动画 */
.scroll-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-fade.active {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .package-grid {
        grid-template-columns: 1fr;
    }
    
    .compare-table {
        font-size: 14px;
    }
    
    .compare-table th, .compare-table td {
        padding: 10px 5px;
    }
}