/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #F8F9FA 0%, #FFFFFF 100%);
    color: #2D3436;
    line-height: 1.6;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    min-height: 100vh;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* ==================== 主内容区域 ==================== */
.content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
    text-align: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #FF6B6B;
}

.subtitle {
    font-size: 1.8rem;
    color: #666;
    font-weight: 500;
}

/* ==================== 页脚 ==================== */
.footer {
    width: 100%;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #E8E8E8;
}

.icp-placeholder {
    font-size: 0.85rem;
    color: #999;
}

.icp-label {
    font-weight: 600;
    color: #666;
}

.icp-number {
    color: #999;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    h1 {
        font-size: 3.5rem;
    }

    .subtitle {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .container {
        padding: 0 15px;
    }
}