/* 工具页面样式 */

.tools-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.tools-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.tools-header p {
    font-size: 1.1rem;
    color: #666;
}

/* 工具网格 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tool-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tool-card h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.tool-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tool-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s;
}

.tool-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* 工具详情页 */
.tool-page {
    max-width: 1000px;
    margin: 0 auto;
}

.tool-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.tool-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.tool-header p {
    font-size: 1.1rem;
    color: #666;
}

/* 计算器容器 */
.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.calculator-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.calculator-form .form-group {
    margin-bottom: 1.5rem;
}

.calculator-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.calculator-form input,
.calculator-form select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.calculator-form input:focus,
.calculator-form select:focus {
    outline: none;
    border-color: #667eea;
}

.calculator-form small {
    display: block;
    margin-top: 0.5rem;
    color: #999;
    font-size: 0.9rem;
}

.calculator-form .btn {
    width: 100%;
    margin-top: 1rem;
}

.calculator-form .btn-secondary {
    margin-top: 0.5rem;
}

/* 计算结果 */
.calculator-result {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.calculator-result h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

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

.result-label {
    font-size: 1rem;
    opacity: 0.9;
}

.result-value {
    font-size: 1.2rem;
    font-weight: 600;
}

/* 工具说明 */
.tool-info {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tool-info h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.tool-info ul {
    list-style: none;
    padding-left: 0;
}

.tool-info li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
    line-height: 1.6;
}

.tool-info li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.2rem;
}

.tool-info h3 + ul {
    margin-bottom: 2rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    font-family: inherit;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-container {
        grid-template-columns: 1fr;
    }
    
    .tool-header h1 {
        font-size: 2rem;
    }
    
    .tools-header h1 {
        font-size: 2rem;
    }
}