/* instruction.css - 鼠标测试工具使用说明页面样式 */

/* 使用说明页面的特定样式 */
.instruction-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.instruction-header {
    text-align: center;
    margin-bottom: 40px;
}

.instruction-header h1 {
    color: var(--info-blue);
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.instruction-header p {
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.step-section {
    background: #1e1e1e;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    border-left: 4px solid var(--highlight);
}

.step-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.step-number {
    background: var(--highlight);
    color: #000;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: 15px;
}

.step-title {
    color: var(--info-blue);
    font-size: 1.4rem;
    margin: 0;
}

.step-content {
    color: #ccc;
    line-height: 1.7;
}

.step-content p {
    margin-bottom: 15px;
}

.tip-box {
    background: rgba(79, 195, 247, 0.1);
    border-left: 3px solid var(--info-blue);
    padding: 15px;
    margin: 20px 0;
    border-radius: 5px;
}

.tip-box strong {
    color: var(--info-blue);
}

.visual-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.guide-item {
    background: #2a2a2a;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.guide-icon {
    font-size: 2.5rem;
    color: var(--highlight);
    margin-bottom: 15px;
}

.guide-item h4 {
    color: #fff;
    margin-bottom: 10px;
}

.troubleshooting-section {
    background: rgba(255, 68, 68, 0.1);
    border-radius: 12px;
    padding: 30px;
    margin-top: 40px;
    border-left: 4px solid var(--accent-red);
}

.troubleshooting-section h2 {
    color: var(--accent-red);
    margin-bottom: 20px;
}

.problem-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #444;
}

.problem-item:last-child {
    border-bottom: none;
}

.problem-item h4 {
    color: #ff8888;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.problem-item h4 i {
    margin-right: 10px;
}

.back-to-test {
    text-align: center;
    margin-top: 40px;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    background: var(--highlight);
    color: #000;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: #33ff99;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.3);
}

.back-btn i {
    margin-right: 10px;
}

/* 确保所有文字内容都可选择 */
.instruction-container,
.instruction-container *:not(.back-btn):not(i):not(.guide-icon) {
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    cursor: text;
}

/* 保持按钮和图标不可选择，以便保持正常的交互 */
.back-btn,
i,
.guide-icon,
.step-number {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    cursor: default;
}

/* 确保面包屑导航和语言切换器中的文字也可选择 */
.breadcrumb-section,
.language-switcher {
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
}

/* 确保所有段落、标题和列表项都可选择 */
p, h1, h2, h3, h4, h5, h6, li, span, div {
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
}
/* 在现有CSS末尾添加以下内容 */

/* SEO优化相关样式 */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 微数据样式增强 */
[itemscope] {
    border: none;
}

/* 打印样式 */
@media print {
    .language-switcher,
    .back-to-test,
    .tip-box {
        display: none !important;
    }
    
    .instruction-container {
        max-width: 100%;
        padding: 0;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    .step-section {
        break-inside: avoid;
        border: 1px solid #ddd;
        background: #fff;
        color: #000;
    }
}

/* 移动端优化 */
@media (max-width: 768px) {
    .instruction-header h1 {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .step-section {
        padding: 20px;
    }
    
    .visual-guide {
        grid-template-columns: 1fr;
    }
    
    /* 改善触摸目标大小 */
    .back-btn,
    .language-trigger {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* 改善阅读体验 */
    .step-content p {
        font-size: 1rem;
        line-height: 1.6;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .step-section {
        border-left: 4px solid #000;
    }
    
    .tip-box {
        border-left: 3px solid #000;
    }
    
    .troubleshooting-section {
        border-left: 4px solid #c00;
    }
}

/* 减少动画用户偏好 */
@media (prefers-reduced-motion: reduce) {
    .back-btn,
    .language-trigger {
        transition: none;
    }
}