/* 交通标志大全样式 */
.signs-display {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
    margin-bottom: 30px;
}

.sign-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.sign-icon {
    font-size: 36px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 15px;
}

.sign-name {
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 16px;
    text-align: center;
}

.sign-description {
    font-size: 14px;
    color: #666;
    text-align: center;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.category-tab {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    background-color: #f5f5f5;
    cursor: pointer;
    transition: all 0.3s;
}

.category-tab.active {
    background-color: #4a90e2;
    color: white;
    border-color: #4a90e2;
}

.search-section {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
    font-size: 16px;
}

.search-container {
    display: flex;
    gap: 10px;
    margin-bottom: 5px;
    position: relative;
}

.search-container .form-input {
    flex-grow: 1;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.search-container .form-input:focus {
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
    outline: none;
}

.search-container .form-input::placeholder {
    color: #aaa;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background-color: #4a90e2;
    color: white;
}

.btn-primary:hover {
    background-color: #3a7bc8;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: #f0f0f0;
    color: #666;
}

.btn-secondary:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 添加搜索图标 */
.btn-primary::before {
    content: "🔍";
    margin-right: 5px;
}

/* 添加清除图标 */
.btn-secondary::before {
    content: "✖️";
    margin-right: 5px;
    font-size: 12px;
}

.rules-grid, .safety-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.rule-item, .safety-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.rule-item h4, .safety-item h4 {
    margin-top: 0;
    color: #333;
}

.rule-item ul {
    padding-left: 20px;
    margin-bottom: 0;
}

.safety-icon {
    font-size: 24px;
    margin-bottom: 10px;
}

.faq-list {
    margin-top: 20px;
}

.faq-item {
    margin-bottom: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 15px;
}

.faq-item h4 {
    margin-top: 0;
    color: #333;
}

.faq-item p {
    margin-bottom: 0;
}

.section-title {
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-top: 30px;
    margin-bottom: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .signs-display {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .rules-grid, .safety-grid {
        grid-template-columns: 1fr;
    }
    
    .category-tabs {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 10px;
    }
}