/**
 * 导航提示弹窗样式 - Guide Modal Styles
 * 包含购买指引弹窗的所有样式和动画效果
 */

/* ==================== 弹窗遮罩层 ==================== */
.guide-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.guide-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==================== 弹窗主体 ==================== */
.guide-modal {
    width: 90%;
    max-width: 600px;
    background-color: var(--card-bg);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.guide-overlay.active .guide-modal {
    transform: scale(1);
}

/* ==================== 弹窗头部 ==================== */
.guide-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--card-border);
}

.guide-header h3 {
    margin: 0;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.close-guide {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-guide:hover {
    background-color: var(--light-bg);
}

/* ==================== 弹窗内容 ==================== */
.guide-content {
    padding: 20px;
    text-align: center;
}

.guide-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.highlight-red {
    color: #e53e3e;
    font-weight: bold;
}

/* ==================== 图片展示区域 ==================== */
.guide-image-link {
    display: block;
    width: 100%;
    margin-bottom: 25px;
    cursor: pointer;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
}

.guide-image-container {
    position: relative;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.guide-image-link:hover .guide-image-container {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow);
}

/* ==================== 图片悬停提示 ==================== */
.image-hover-hint {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 12px;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    z-index: 10;
}

.guide-image-link:hover .image-hover-hint {
    transform: translateY(0);
}

/* ==================== 图片样式和动画 ==================== */
.guide-image {
    width: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 12px;
}

.guide-image:first-child {
    position: relative; /* 第一张图片作为容器高度参考 */
    opacity: 0;
    z-index: 1;
}

.guide-image.no-frame {
    opacity: 1;
    animation: fadeInOut 2s infinite alternate;
}

.guide-image.with-frame {
    opacity: 0;
    animation: fadeOutIn 2s infinite alternate;
}

@keyframes fadeInOut {
    0%, 30% { opacity: 1; }
    70%, 100% { opacity: 0; }
}

@keyframes fadeOutIn {
    0%, 30% { opacity: 0; }
    70%, 100% { opacity: 1; }
}

/* ==================== 按钮区域 ==================== */
.guide-buttons {
    display: flex;
    justify-content: center;
    margin-top: 5px;
}

.guide-button {
    min-width: 180px;
    margin: 0 10px;
    background: var(--speed-gradient);
}

/* ==================== 移动端适配 ==================== */
@media (max-width: 768px) {
    .guide-modal {
        width: 95%;
    }
    
    .guide-header {
        padding: 15px;
    }
    
    .guide-content {
        padding: 15px;
    }
    
    .guide-content p {
        font-size: 1rem;
    }
    
    .guide-button {
        min-width: 140px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .guide-modal {
        width: 98%;
        border-radius: 15px;
    }
    
    .guide-header {
        padding: 12px;
    }
    
    .guide-header h3 {
        font-size: 1.1rem;
    }
    
    .close-guide {
        width: 28px;
        height: 28px;
        font-size: 1.2rem;
    }
    
    .guide-content {
        padding: 12px;
    }
    
    .guide-content p {
        font-size: 0.95rem;
        margin-bottom: 15px;
    }
    
    .guide-button {
        min-width: 120px;
        font-size: 0.85rem;
        padding: 12px 20px;
    }
}