/* --- 1. 全局基础设置 --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #222328; 
    color: #ffffff;
    display: flex;
    justify-content: center;
}

.app-container {
    width: 100%;
    max-width: 480px; 
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- 2. 轮播滑动区域样式 --- */
.slider-container {
    width: 100%;
    overflow: hidden; 
    position: relative;
    margin-bottom: 30px;
    touch-action: pan-y; 
    border-radius: 12px; /* 给图片也加个圆角好看点 */
}

.slider-wrapper {
    display: flex;
    width: 100%;
    transition: transform 0.3s ease-out; 
}

.slide {
    width: 100%;
    flex-shrink: 0; 
    display: block;
}

.slider-dots {
    position: absolute;
    bottom: 10px;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.dot {
    width: 8px; 
    height: 8px;
    background-color: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transition: 0.3s;
}

.dot.active {
    background-color: #00a0e9; 
    width: 16px;
    border-radius: 4px;
}

/* --- 3. 底部动作区域 (按钮和信息) --- */
.action-section {
    width: 100%;
}

.btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 15px;
    border-radius: 12px;
    text-decoration: none;
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 12px;
}

.download-btn, .support-btn {
    background: linear-gradient(90deg, #388e8a, #28736f);
    box-shadow: inset 0 2px 4px rgba(255,255,255,0.2), 0 4px 6px rgba(0,0,0,0.3);
}

.icon {
    margin-right: 8px;
    font-size: 20px;
}

.info-box {
    background-color: #121316;
    text-align: center;
    padding: 12px;
    border-radius: 20px;
    font-size: 15px;
    margin-bottom: 25px;
    border: 1px solid #2a2b30;
}

.highlight-text {
    color: #00a0e9;
    font-weight: bold;
}

/* --- 4. 常见问题 (FAQ) 区域样式 --- */
.faq-section {
    width: 100%;
    margin-top: 10px;
    padding-bottom: 40px; 
}

.faq-title {
    font-size: 20px;
    color: #ffffff;
    text-align: center;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.faq-card {
    background-color: #121316; 
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid #2a2b30;
}

.faq-question {
    display: flex;
    align-items: flex-start;
    color: #00a0e9; 
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1.4;
}

.faq-icon {
    background-color: #00a0e9;
    color: #121316;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    margin-right: 10px;
    flex-shrink: 0;
    margin-top: 2px; 
}

.faq-answer {
    color: #d1d1d1; 
    font-size: 15px;
    line-height: 1.8;
}

.faq-answer strong {
    color: #ffffff;
    font-weight: bold;
}