/* 工具集页面样式 */
.tools-container {
    max-width: 1200px;
    margin: 100px auto 0;
    padding: 2rem;
}

.tools-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    background: linear-gradient(135deg, #4361EE, #F72585);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.tool-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(67, 97, 238, 0.2);
}

.tool-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(247, 37, 133, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #4361EE;
}

.tool-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.tool-card p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 登录弹窗样式 */
.login-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.login-modal.active {
    display: flex;
}

.login-content {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.login-content h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
    font-size: 1.8rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(45, 90, 240, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .tools-container {
        padding: 1rem;
        margin-top: 80px;
    }

    .tools-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tool-card {
        padding: 1.5rem;
        min-height: 250px;
    }
}